315 files changed, 22249 insertions, 10640 deletions
diff --git a/progs/demos/.gitignore b/progs/demos/.gitignore
index ab836eb834..f033a0505d 100644
--- a/progs/demos/.gitignore
+++ b/progs/demos/.gitignore
@@ -1,4 +1,3 @@
-.cvsignore
 arbfplight
 arbfslight
 arbocclude
@@ -9,6 +8,7 @@ cubemap
 drawpix
 engine
 extfuncs.h
+fbo_firecube
 fire
 fogcoord
 fplight
diff --git a/progs/demos/Makefile b/progs/demos/Makefile
index 81d9ebed86..467dbc5cdf 100644
--- a/progs/demos/Makefile
+++ b/progs/demos/Makefile
@@ -66,6 +66,7 @@ PROGS = \
 	texdown \
 	texenv \
 	texobj \
+	textures \
 	trispd \
 	tunnel \
 	tunnel2 \
@@ -81,7 +82,7 @@ PROGS = \
 
 # make executable from .c file:
 .c: $(LIB_DEP) readtex.o
-	$(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) $< readtex.o $(LIBS) -o $@
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) $< readtex.o $(LIBS) -o $@
 
 
 ##### TARGETS #####
@@ -97,7 +98,7 @@ readtex.h: $(TOP)/progs/util/readtex.h
 	cp $< .
 
 readtex.o: readtex.c readtex.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) readtex.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) readtex.c
 
 
 showbuffer.c: $(TOP)/progs/util/showbuffer.c
@@ -107,7 +108,7 @@ showbuffer.h: $(TOP)/progs/util/showbuffer.h
 	cp $< .
 
 showbuffer.o: showbuffer.c showbuffer.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) showbuffer.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) showbuffer.c
 
 
 trackball.c: $(TOP)/progs/util/trackball.c
@@ -117,7 +118,7 @@ trackball.h: $(TOP)/progs/util/trackball.h
 	cp $< .
 
 trackball.o: trackball.c trackball.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) trackball.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) trackball.c
 
 
 extfuncs.h:  $(TOP)/progs/util/extfuncs.h
@@ -125,38 +126,38 @@ extfuncs.h:  $(TOP)/progs/util/extfuncs.h
 
 
 reflect: reflect.o showbuffer.o readtex.o
-	$(CC) $(CFLAGS) $(LDFLAGS) reflect.o showbuffer.o readtex.o $(LIBS) -o $@
+	$(APP_CC) $(CFLAGS) $(LDFLAGS) reflect.o showbuffer.o readtex.o $(LIBS) -o $@
 
 reflect.o: reflect.c showbuffer.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) reflect.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) reflect.c
 
 
 shadowtex: shadowtex.o showbuffer.o
-	$(CC) $(CFLAGS) $(LDFLAGS) shadowtex.o showbuffer.o $(LIBS) -o $@
+	$(APP_CC) $(CFLAGS) $(LDFLAGS) shadowtex.o showbuffer.o $(LIBS) -o $@
 
 shadowtex.o: shadowtex.c showbuffer.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) shadowtex.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) shadowtex.c
 
 
 gloss: gloss.o trackball.o readtex.o
-	$(CC) $(CFLAGS) $(LDFLAGS) gloss.o trackball.o readtex.o $(LIBS) -o $@
+	$(APP_CC) $(CFLAGS) $(LDFLAGS) gloss.o trackball.o readtex.o $(LIBS) -o $@
 
 gloss.o: gloss.c trackball.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) gloss.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) gloss.c
 
 
 engine: engine.o trackball.o readtex.o
-	$(CC) $(CFLAGS) $(LDFLAGS) engine.o trackball.o readtex.o $(LIBS) -o $@
+	$(APP_CC) $(CFLAGS) $(LDFLAGS) engine.o trackball.o readtex.o $(LIBS) -o $@
 
 engine.o: engine.c trackball.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) engine.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) engine.c
 
 
 fslight: fslight.o
-	$(CC) $(CFLAGS) $(LDFLAGS) fslight.o $(LIBS) -o $@
+	$(APP_CC) $(CFLAGS) $(LDFLAGS) fslight.o $(LIBS) -o $@
 
 fslight.o: fslight.c extfuncs.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) fslight.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) fslight.c
 
 rain: particles.o rain.o readtex.o
 	$(CXX) $(CXXFLAGS) $(LDFLAGS) $^ $(LIBS) -o $@
diff --git a/progs/demos/Windows/all.dsp b/progs/demos/Windows/all.dsp
index b47283c588..5c9b3450da 100644
--- a/progs/demos/Windows/all.dsp
+++ b/progs/demos/Windows/all.dsp
@@ -1,101 +1,101 @@
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diff --git a/progs/demos/Windows/bounce.dsp b/progs/demos/Windows/bounce.dsp
index 0510e77d99..ff33ba6e13 100644
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+++ b/progs/demos/Windows/bounce.dsp
@@ -1,112 +1,112 @@
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diff --git a/progs/demos/Windows/clearspd.dsp b/progs/demos/Windows/clearspd.dsp
index 440c7ae64e..58fadcca2d 100644
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index 220a3a0df6..7c37b1b3ea 100644
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diff --git a/progs/demos/Windows/drawpix.dsp b/progs/demos/Windows/drawpix.dsp
index 57003e616b..f21be17792 100644
--- a/progs/demos/Windows/drawpix.dsp
+++ b/progs/demos/Windows/drawpix.dsp
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diff --git a/progs/demos/Windows/fire.dsp b/progs/demos/Windows/fire.dsp
index f8a536d334..9d046a4c6e 100644
--- a/progs/demos/Windows/fire.dsp
+++ b/progs/demos/Windows/fire.dsp
@@ -1,112 +1,112 @@
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diff --git a/progs/demos/Windows/gears.dsp b/progs/demos/Windows/gears.dsp
index 43a588dc68..2cf6b1a826 100644
--- a/progs/demos/Windows/gears.dsp
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@@ -1,112 +1,112 @@
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diff --git a/progs/demos/Windows/geartrain.dsp b/progs/demos/Windows/geartrain.dsp
index 8dee77de4d..f3e499fea0 100644
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diff --git a/progs/demos/Windows/glinfo.dsp b/progs/demos/Windows/glinfo.dsp
index d9d61eb424..7a2c65a0d1 100644
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diff --git a/progs/demos/Windows/gloss.dsp b/progs/demos/Windows/gloss.dsp
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diff --git a/progs/demos/Windows/ipers.dsp b/progs/demos/Windows/ipers.dsp
index 430f1b6258..b5ccb82afb 100644
--- a/progs/demos/Windows/ipers.dsp
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diff --git a/progs/demos/Windows/isosurf.dsp b/progs/demos/Windows/isosurf.dsp
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diff --git a/progs/demos/Windows/loadbias.dsp b/progs/demos/Windows/loadbias.dsp
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diff --git a/progs/demos/Windows/multiarb.dsp b/progs/demos/Windows/multiarb.dsp
index 57c32deb29..ff13579a41 100644
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diff --git a/progs/demos/Windows/osdemo.dsp b/progs/demos/Windows/osdemo.dsp
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diff --git a/progs/demos/Windows/pixeltex.dsp b/progs/demos/Windows/pixeltex.dsp
index d09f9f312c..d6e66c821a 100644
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diff --git a/progs/demos/Windows/pointblast.dsp b/progs/demos/Windows/pointblast.dsp
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diff --git a/progs/demos/Windows/rain.dsp b/progs/demos/Windows/rain.dsp
index 7e380e66aa..63102f13a5 100644
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diff --git a/progs/demos/Windows/ray.dsp b/progs/demos/Windows/ray.dsp
index dfa26e7755..425d4eb258 100644
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diff --git a/progs/demos/Windows/readpix.dsp b/progs/demos/Windows/readpix.dsp
index 8097d10625..ca0b30b604 100644
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diff --git a/progs/demos/Windows/reflect.dsp b/progs/demos/Windows/reflect.dsp
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diff --git a/progs/demos/Windows/renormal.dsp b/progs/demos/Windows/renormal.dsp
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diff --git a/progs/demos/Windows/shadowtex.dsp b/progs/demos/Windows/shadowtex.dsp
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diff --git a/progs/demos/Windows/spectex.dsp b/progs/demos/Windows/spectex.dsp
index d1960b3d13..9d385b2dc7 100644
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diff --git a/progs/demos/Windows/spriteblast.dsp b/progs/demos/Windows/spriteblast.dsp
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diff --git a/progs/demos/Windows/stex3d.dsp b/progs/demos/Windows/stex3d.dsp
index 7c112d62ca..5d8c93b9e4 100644
--- a/progs/demos/Windows/stex3d.dsp
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diff --git a/progs/demos/Windows/teapot.dsp b/progs/demos/Windows/teapot.dsp
index 3260e635a4..63cea20504 100644
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diff --git a/progs/demos/Windows/terrain.dsp b/progs/demos/Windows/terrain.dsp
index 9fe490db81..35c67a5f94 100644
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diff --git a/progs/demos/Windows/tessdemo.dsp b/progs/demos/Windows/tessdemo.dsp
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diff --git a/progs/demos/Windows/texcyl.dsp b/progs/demos/Windows/texcyl.dsp
index b227e02c29..326a2728eb 100644
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diff --git a/progs/demos/Windows/texdown.dsp b/progs/demos/Windows/texdown.dsp
index acea7666af..926e72408b 100644
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diff --git a/progs/demos/Windows/texenv.dsp b/progs/demos/Windows/texenv.dsp
index 3eb7eecdb7..964c6d207e 100644
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diff --git a/progs/demos/Windows/texobj.dsp b/progs/demos/Windows/texobj.dsp
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diff --git a/progs/demos/Windows/trispd.dsp b/progs/demos/Windows/trispd.dsp
index 7e27cf3d04..2ba95dc634 100644
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diff --git a/progs/demos/Windows/tunnel.dsp b/progs/demos/Windows/tunnel.dsp
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diff --git a/progs/demos/Windows/tunnel2.dsp b/progs/demos/Windows/tunnel2.dsp
index 3ae2800a04..bd2b6c07f2 100644
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diff --git a/progs/demos/Windows/winpos.dsp b/progs/demos/Windows/winpos.dsp
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-# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../winpos.exe" /pdbtype:sept
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-
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-
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-# Name "winpos - Win32 Debug"
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-
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-# End Group
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-# End Project
+# Microsoft Developer Studio Project File - Name="winpos" - Package Owner=<4>
+# Microsoft Developer Studio Generated Build File, Format Version 6.00
+# ** DO NOT EDIT **
+
+# TARGTYPE "Win32 (x86) Console Application" 0x0103
+
+CFG=winpos - Win32 Debug
+!MESSAGE This is not a valid makefile. To build this project using NMAKE,
+!MESSAGE use the Export Makefile command and run
+!MESSAGE 
+!MESSAGE NMAKE /f "winpos.mak".
+!MESSAGE 
+!MESSAGE You can specify a configuration when running NMAKE
+!MESSAGE by defining the macro CFG on the command line. For example:
+!MESSAGE 
+!MESSAGE NMAKE /f "winpos.mak" CFG="gloss - Win32 Debug"
+!MESSAGE 
+!MESSAGE Possible choices for configuration are:
+!MESSAGE 
+!MESSAGE "winpos - Win32 Release" (based on "Win32 (x86) Console Application")
+!MESSAGE "winpos - Win32 Debug" (based on "Win32 (x86) Console Application")
+!MESSAGE 
+
+# Begin Project
+# PROP AllowPerConfigDependencies 0
+# PROP Scc_ProjName ""
+# PROP Scc_LocalPath ""
+CPP=cl.exe
+RSC=rc.exe
+
+!IF  "$(CFG)" == "winpos - Win32 Release"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 0
+# PROP BASE Output_Dir "Release"
+# PROP BASE Intermediate_Dir "Release"
+# PROP BASE Target_Dir ""
+# PROP Use_MFC 0
+# PROP Use_Debug_Libraries 0
+# PROP Output_Dir "Release"
+# PROP Intermediate_Dir "Release"
+# PROP Ignore_Export_Lib 0
+# PROP Target_Dir ""
+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c
+# ADD CPP /nologo /W3 /GX /O2 /I "../../util" /I "../../../include" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c
+# ADD BASE RSC /l 0x409 /d "NDEBUG"
+# ADD RSC /l 0x409 /d "NDEBUG"
+BSC32=bscmake.exe
+# ADD BASE BSC32 /nologo
+# ADD BSC32 /nologo
+LINK32=link.exe
+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386
+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /machine:I386 /out:"../winpos.exe"
+# Begin Special Build Tool
+SOURCE="$(InputPath)"
+PostBuild_Desc=Copy DLLs
+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..
+# End Special Build Tool
+
+!ELSEIF  "$(CFG)" == "winpos - Win32 Debug"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 1
+# PROP BASE Output_Dir "Debug"
+# PROP BASE Intermediate_Dir "Debug"
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+# PROP Target_Dir ""
+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c
+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "../../util" /I "../../../include" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c
+# ADD BASE RSC /l 0x409 /d "_DEBUG"
+# ADD RSC /l 0x409 /d "_DEBUG"
+BSC32=bscmake.exe
+# ADD BASE BSC32 /nologo
+# ADD BSC32 /nologo
+LINK32=link.exe
+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../winpos.exe" /pdbtype:sept
+# Begin Special Build Tool
+SOURCE="$(InputPath)"
+PostBuild_Desc=Copy DLLs
+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..
+# End Special Build Tool
+
+!ENDIF 
+
+# Begin Target
+
+# Name "winpos - Win32 Release"
+# Name "winpos - Win32 Debug"
+# Begin Group "Source Files"
+
+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"
+# Begin Source File
+
+SOURCE=..\winpos.c
+# End Source File
+# End Group
+# Begin Group "Header Files"
+
+# PROP Default_Filter "h;hpp;hxx;hm;inl"
+# End Group
+# Begin Group "Resource Files"
+
+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"
+# End Group
+# End Target
+# End Project
diff --git a/progs/demos/arbfplight.c b/progs/demos/arbfplight.c
index bc2c7e312a..401bfb4968 100644
--- a/progs/demos/arbfplight.c
+++ b/progs/demos/arbfplight.c
@@ -46,14 +46,25 @@ static PFNGLDELETEPROGRAMSARBPROC glDeleteProgramsARB_func;
 /* Set to one to test ARB_fog_linear program option */
 #define DO_FRAGMENT_FOG 0
 
+static void normalize (GLfloat *dst, const GLfloat *src)
+{
+   GLfloat len = sqrt (src[0] * src[0] + src[1] * src[1] + src[2] * src[2]);
+   dst[0] = src[0] / len;
+   dst[1] = src[1] / len;
+   dst[2] = src[2] / len;
+}
 
 static void Redisplay( void )
 {
    glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
 
    if (PixelLight) {
+      GLfloat pos[4];
+
+      normalize( pos, LightPos );
+      pos[3] = LightPos[3];
       glProgramLocalParameter4fvARB_func(GL_FRAGMENT_PROGRAM_ARB,
-                                         LIGHTPOS, LightPos);
+                                         LIGHTPOS, pos);
       glEnable(GL_FRAGMENT_PROGRAM_ARB);
       glEnable(GL_VERTEX_PROGRAM_ARB);
       glDisable(GL_LIGHTING);
@@ -204,35 +215,31 @@ static void Init( void )
       "PARAM Diffuse = state.material.diffuse; \n"
       "PARAM Specular = state.material.specular; \n"
       "PARAM LightPos = program.local[3]; \n"
-      "TEMP lightDir, normal, len; \n"
+      "TEMP normal, len; \n"
       "TEMP dotProd, specAtten; \n"
       "TEMP diffuseColor, specularColor; \n"
 
-      "# Compute normalized light direction \n"
-      "DP3 len.x, LightPos, LightPos; \n"
-      "RSQ len.y, len.x; \n"
-      "MUL lightDir, LightPos, len.y; \n"
-
       "# Compute normalized normal \n"
       "DP3 len.x, fragment.texcoord[0], fragment.texcoord[0]; \n"
       "RSQ len.y, len.x; \n"
-      "MUL normal, fragment.texcoord[0], len.y; \n"
+      "MUL normal.xyz, fragment.texcoord[0], len.y; \n"
 
       "# Compute dot product of light direction and normal vector\n"
-      "DP3_SAT dotProd, lightDir, normal;             # limited to [0,1]\n"
+      "DP3_SAT dotProd.x, LightPos, normal;             # limited to [0,1]\n"
 
-      "MUL diffuseColor, Diffuse, dotProd;            # diffuse attenuation\n"
+      "MUL diffuseColor.xyz, Diffuse, dotProd.x;            # diffuse attenuation\n"
 
       "POW specAtten.x, dotProd.x, {20.0}.x;          # specular exponent\n"
 
-      "MUL specularColor, Specular, specAtten.x;      # specular attenuation\n"
+      "MUL specularColor.xyz, Specular, specAtten.x;      # specular attenuation\n"
 
+      "MOV result.color.w, Diffuse; \n"
 #if DO_FRAGMENT_FOG
       "# need to clamp color to [0,1] before fogging \n"
-      "ADD_SAT result.color, diffuseColor, specularColor; # add colors\n"
+      "ADD_SAT result.color.xyz, diffuseColor, specularColor; # add colors\n"
 #else
       "# clamping will be done after program's finished \n"
-      "ADD result.color, diffuseColor, specularColor; # add colors\n"
+      "ADD result.color.xyz, diffuseColor, specularColor; # add colors\n"
 #endif
       "END \n"
       ;
diff --git a/progs/demos/arbfslight.c b/progs/demos/arbfslight.c
index 69575f0623..a84491d34f 100644
--- a/progs/demos/arbfslight.c
+++ b/progs/demos/arbfslight.c
@@ -208,7 +208,31 @@ static void Init (void)
       "   // Compute dot product of light direction and normal vector\n"
       "   float dotProd = max (dot (lightPos, normalize (normal)), 0.0);\n"
       "   // Compute diffuse and specular contributions\n"
+#if 1
       "   gl_FragColor = diffuse * dotProd + specular * pow (dotProd, 20.0);\n"
+#elif 1 /* test IF/ELSE/ENDIF */
+      "   if (normal.y > 0.0) { \n"
+      "      gl_FragColor = diffuse * dotProd + specular * pow (dotProd, 20.0);\n"
+      "   } \n"
+      "   else { \n"
+      "      if (normal.x < 0.0) { \n"
+      "         gl_FragColor = vec4(1, 0, 0, 0); \n"
+      "      } \n"
+      "      else { \n"
+      "         gl_FragColor = vec4(1, 1, 0, 0); \n"
+      "      } \n"
+      "   } \n"
+#elif 1 /* test LOOP */
+      "   while (1) { \n"
+      "      if (normal.y >= 0.0) { \n"
+      "         gl_FragColor = vec4(1, 0, 0, 0); \n"
+      "         break; \n"
+      "      } else { \n"
+      "         gl_FragColor = diffuse * dotProd + specular * pow (dotProd, 20.0);\n"
+      "         break; \n"
+      "      } \n"
+      "   } \n"
+#endif
       "}\n"
    ;
    static const char *vertShaderText =
diff --git a/progs/demos/drawpix.c b/progs/demos/drawpix.c
index d2f5748674..5490bcc635 100644
--- a/progs/demos/drawpix.c
+++ b/progs/demos/drawpix.c
@@ -28,6 +28,7 @@ static GLfloat Zpos = -1.0;
 static float Xzoom, Yzoom;
 static GLboolean DrawFront = GL_FALSE;
 static GLboolean Dither = GL_TRUE;
+static int win = 0;
 
 
 static void Reset( void )
@@ -215,6 +216,7 @@ static void Key( unsigned char key, int x, int y )
          printf("glDrawBuffer(%s)\n", DrawFront ? "GL_FRONT" : "GL_BACK");
          break;
       case 27:
+         glutDestroyWindow(win);
          exit(0);
          break;
    }
@@ -343,7 +345,7 @@ int main( int argc, char *argv[] )
    else
       glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE);
 
-   glutCreateWindow(argv[0]);
+   win = glutCreateWindow(argv[0]);
 
    Init(ciMode, filename);
    Usage();
diff --git a/progs/demos/fslight.c b/progs/demos/fslight.c
index e6d83bf8fb..e79b5cc197 100644
--- a/progs/demos/fslight.c
+++ b/progs/demos/fslight.c
@@ -225,33 +225,6 @@ static void
 TestFunctions(void)
 {
    printf("Error 0x%x at line %d\n", glGetError(), __LINE__);
-   {
-      GLfloat pos[3];
-      printf("Error 0x%x at line %d\n", glGetError(), __LINE__);
-      printf("Light pos %g %g %g\n", pos[0], pos[1], pos[2]);
-   }
-
-
-   {
-      GLfloat m[16], result[16];
-      GLint mPos;
-      int i;
-
-      for (i = 0; i < 16; i++)
-         m[i] = (float) i;
-
-      mPos = glGetUniformLocation_func(program, "m");
-      printf("Error 0x%x at line %d\n", glGetError(), __LINE__);
-      glUniformMatrix4fv_func(mPos, 1, GL_FALSE, m);
-      printf("Error 0x%x at line %d\n", glGetError(), __LINE__);
-
-      glGetUniformfv_func(program, mPos, result);
-      printf("Error 0x%x at line %d\n", glGetError(), __LINE__);
-
-      for (i = 0; i < 16; i++) {
-         printf("%8g %8g\n", m[i], result[i]);
-      }
-   }
 
    assert(glIsProgram_func(program));
    assert(glIsShader_func(fragShader));
@@ -280,6 +253,22 @@ TestFunctions(void)
       glGetProgramInfoLog_func(program, 1000, &len, log);
       printf("Program Info Log: %s\n", log);
    }
+
+   /* active uniforms */
+   {
+      GLint n, max, i;
+      glGetProgramiv_func(program, GL_ACTIVE_UNIFORMS, &n);
+      glGetProgramiv_func(program, GL_ACTIVE_UNIFORM_MAX_LENGTH, &max);
+      printf("Num uniforms: %d  Max name length: %d\n", n, max);
+      for (i = 0; i < n; i++) {
+         GLint size, len;
+         GLenum type;
+         char name[100];
+         glGetActiveUniform_func(program, i, 100, &len, &size, &type, name);
+         printf("  %d: %s nameLen=%d size=%d type=0x%x\n",
+                i, name, len, size, type);
+      }
+   }
 }
 
 
@@ -512,7 +501,9 @@ Init(void)
    glUniform4fv_func(uDiffuse, 1, diffuse);
    glUniform4fv_func(uSpecular, 1, specular);
    /*   assert(glGetError() == 0);*/
+#if TEXTURE
    glUniform1i_func(uTexture, 2);  /* use texture unit 2 */
+#endif
    /*assert(glGetError() == 0);*/
 
    if (CoordAttrib) {
diff --git a/progs/demos/lodbias.c b/progs/demos/lodbias.c
index c5a2a1b457..30b1ed13d5 100644
--- a/progs/demos/lodbias.c
+++ b/progs/demos/lodbias.c
@@ -42,7 +42,7 @@ static GLfloat Xrot = 0, Yrot = -30, Zrot = 0;
 static GLboolean Anim = GL_TRUE;
 static GLint Bias = 0, BiasStepSign = +1; /* ints avoid fp precision problem */
 static GLint BiasMin = -400, BiasMax = 400;
-
+static int win = 0;
 
 
 static void
@@ -172,6 +172,7 @@ static void Key( unsigned char key, int x, int y )
          Bias = 100.0 * (key - '0');
          break;
       case 27:
+         glutDestroyWindow(win);
          exit(0);
          break;
    }
@@ -281,7 +282,7 @@ int main( int argc, char *argv[] )
    glutInitWindowPosition( 0, 0 );
    glutInitWindowSize( 350, 350 );
    glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
-   glutCreateWindow(argv[0]);
+   win = glutCreateWindow(argv[0]);
    glutReshapeFunc( Reshape );
    glutKeyboardFunc( Key );
    glutSpecialFunc( SpecialKey );
diff --git a/progs/demos/texcyl.c b/progs/demos/texcyl.c
index c04d5004e3..e3b0303975 100644
--- a/progs/demos/texcyl.c
+++ b/progs/demos/texcyl.c
@@ -27,6 +27,8 @@
 #define LINEAR_FILTER 21
 #define QUIT 100
 
+static GLint Win = -1;
+
 static GLuint CylinderObj = 0;
 static GLboolean Animate = GL_TRUE;
 
@@ -159,6 +161,7 @@ static void Key( unsigned char key, int x, int y )
          glutIdleFunc(NULL);
       break;
       case 27:
+         glutDestroyWindow(Win);
          exit(0);
          break;
    }
@@ -263,7 +266,7 @@ int main( int argc, char *argv[] )
 
    glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
 
-   glutCreateWindow(argv[0] );
+   Win = glutCreateWindow(argv[0] );
 
    Init(argc, argv);
 
diff --git a/progs/demos/texenv.c b/progs/demos/texenv.c
index c4174dc173..c5a8b13f35 100644
--- a/progs/demos/texenv.c
+++ b/progs/demos/texenv.c
@@ -76,7 +76,8 @@ int textureWidth = 64;
 int textureHeight = 64;
 
 int winWidth = 580, winHeight = 720;
-int win;
+static int Win;
+
 
 struct formatInfo {
    GLenum	baseFormat;
@@ -289,7 +290,7 @@ static void keyboard( unsigned char c, int x, int y )
       displayLevelInfo = !displayLevelInfo;
       break;
    case 27:             /* Escape key should force exit. */
-      glutDestroyWindow(win);
+      glutDestroyWindow(Win);
       exit(0);
       break;
    default:
@@ -787,7 +788,7 @@ int main( int argc, char *argv[] )
 
    glutInitWindowSize( winWidth, winHeight );
    glutInitWindowPosition( 0, 0 );
-   win = glutCreateWindow( "Texture Environment Test" );
+   Win = glutCreateWindow( "Texture Environment Test" );
 
    initialize();
    instructions();
diff --git a/progs/demos/textures.c b/progs/demos/textures.c
new file mode 100644
index 0000000000..b7bf135d21
--- /dev/null
+++ b/progs/demos/textures.c
@@ -0,0 +1,374 @@
+/*
+ * Simple test of multiple textures
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+#include "readtex.h"
+
+#define TEST_CLAMP 0
+#define TEST_MIPMAPS 0
+
+#define MAX_TEXTURES 8
+
+
+static int Win;
+static GLfloat Xrot = 0, Yrot = 0, Zrot = 0;
+static GLboolean Anim = GL_TRUE;
+static GLboolean Blend = GL_FALSE;
+static GLuint Filter = 0;
+static GLboolean Clamp = GL_FALSE;
+
+static GLuint NumTextures;
+static GLuint Textures[MAX_TEXTURES];
+static float TexRot[MAX_TEXTURES][3];
+static float TexPos[MAX_TEXTURES][3];
+static float TexAspect[MAX_TEXTURES];
+
+static const char *DefaultFiles[] = {
+   "../images/arch.rgb",
+   "../images/reflect.rgb",
+   "../images/tree2.rgba",
+   "../images/tile.rgb"
+};
+
+
+#define NUM_FILTERS 5
+static
+struct filter {
+   GLenum min, mag;
+   const char *name;
+} FilterModes[NUM_FILTERS] = {
+   { GL_NEAREST, GL_NEAREST, "Nearest,Nearest" },
+   { GL_LINEAR, GL_LINEAR, "Linear,Linear" },
+   { GL_NEAREST_MIPMAP_NEAREST, GL_NEAREST, "NearestMipmapNearest,Nearest" },
+   { GL_LINEAR_MIPMAP_NEAREST, GL_LINEAR, "LinearMipmapNearest,Linear" },
+   { GL_LINEAR_MIPMAP_LINEAR, GL_LINEAR, "LinearMipmapLinear,Linear" }
+};
+
+
+
+
+static void
+Idle(void)
+{
+   Xrot = glutGet(GLUT_ELAPSED_TIME) * 0.02;
+   Yrot = glutGet(GLUT_ELAPSED_TIME) * 0.04;
+   //Zrot += 2.0;
+   glutPostRedisplay();
+}
+
+
+static void
+DrawTextures(void)
+{
+   GLuint i;
+
+   for (i = 0; i < NumTextures; i++) {
+      GLfloat ar = TexAspect[i];
+
+      glPushMatrix();
+      glTranslatef(TexPos[i][0], TexPos[i][1], TexPos[i][2]);
+      glRotatef(TexRot[i][0], 1, 0, 0);
+      glRotatef(TexRot[i][1], 0, 1, 0);
+      glRotatef(TexRot[i][2], 0, 0, 1);
+
+      glBindTexture(GL_TEXTURE_2D, Textures[i]);
+      glBegin(GL_POLYGON);
+#if TEST_CLAMP
+      glTexCoord2f( -0.5, -0.5 );   glVertex2f( -ar, -1.0 );
+      glTexCoord2f(  1.5, -0.5 );   glVertex2f(  ar, -1.0 );
+      glTexCoord2f(  1.5,  1.5 );   glVertex2f(  ar,  1.0 );
+      glTexCoord2f( -0.5,  1.5 );   glVertex2f( -ar,  1.0 );
+#else
+      glTexCoord2f( 0.0, 0.0 );   glVertex2f( -ar, -1.0 );
+      glTexCoord2f( 1.0, 0.0 );   glVertex2f(  ar, -1.0 );
+      glTexCoord2f( 1.0, 1.0 );   glVertex2f(  ar,  1.0 );
+      glTexCoord2f( 0.0, 1.0 );   glVertex2f( -ar,  1.0 );
+#endif
+      glEnd();
+
+      glPopMatrix();
+   }
+}
+
+static void
+Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   if (Blend) {
+      glEnable(GL_BLEND);
+      glDisable(GL_DEPTH_TEST);
+   }
+   else {
+      glDisable(GL_BLEND);
+      glEnable(GL_DEPTH_TEST);
+   }
+
+   glPushMatrix();
+   glRotatef(Xrot, 1, 0, 0);
+   glRotatef(Yrot, 0, 1, 0);
+   glRotatef(Zrot, 0, 0, 1);
+
+   DrawTextures();
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void
+Reshape(int width, int height)
+{
+   glViewport(0, 0, width, height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 50.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -10.0);
+}
+
+
+static GLfloat
+RandFloat(float min, float max)
+{
+   float x = (float) (rand() % 1000) * 0.001;
+   x = x * (max - min) + min;
+   return x;
+}
+
+
+static void
+Randomize(void)
+{
+   GLfloat k = 1.0;
+   GLuint i;
+
+   srand(glutGet(GLUT_ELAPSED_TIME));
+
+   for (i = 0; i < NumTextures; i++) {
+      TexRot[i][0] = RandFloat(0.0, 360);
+      TexRot[i][1] = RandFloat(0.0, 360);
+      TexRot[i][2] = RandFloat(0.0, 360);
+      TexPos[i][0] = RandFloat(-k, k);
+      TexPos[i][1] = RandFloat(-k, k);
+      TexPos[i][2] = RandFloat(-k, k);
+   }
+}
+
+
+static void
+SetTexParams(void)
+{
+   GLuint i;
+   for (i = 0; i < NumTextures; i++) {
+      glBindTexture(GL_TEXTURE_2D, Textures[i]);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+                      FilterModes[Filter].min);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
+                      FilterModes[Filter].mag);
+
+      if (Clamp) {
+         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+      }
+      else {
+         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+      }
+   }
+}
+
+
+static void
+Key(unsigned char key, int x, int y)
+{
+   const GLfloat step = 3.0;
+   (void) x;
+   (void) y;
+   switch (key) {
+   case 'a':
+   case ' ':
+      Anim = !Anim;
+      if (Anim)
+         glutIdleFunc(Idle);
+      else
+         glutIdleFunc(NULL);
+      break;
+   case 'b':
+      Blend = !Blend;
+      break;
+   case 'f':
+      Filter = (Filter + 1) % NUM_FILTERS;
+      SetTexParams();
+      break;      
+   case 'r':
+      Randomize();
+      break;
+#if TEST_CLAMP
+   case 'c':
+      Clamp = !Clamp;
+      SetTexParams();
+      break;
+#endif
+   case 'z':
+      Zrot -= step;
+      break;
+   case 'Z':
+      Zrot += step;
+      break;
+   case 27:
+      glutDestroyWindow(Win);
+      exit(0);
+      break;
+   }
+
+   printf("Blend=%s Filter=%s\n",
+          Blend ? "Y" : "n",
+          FilterModes[Filter].name);
+
+   glutPostRedisplay();
+}
+
+
+static void
+SpecialKey(int key, int x, int y)
+{
+   const GLfloat step = 3.0;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case GLUT_KEY_UP:
+         Xrot -= step;
+         break;
+      case GLUT_KEY_DOWN:
+         Xrot += step;
+         break;
+      case GLUT_KEY_LEFT:
+         Yrot -= step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Yrot += step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+LoadTextures(GLuint n, const char *files[])
+{
+   GLuint i;
+
+   NumTextures = n < MAX_TEXTURES ? n : MAX_TEXTURES;
+
+   glGenTextures(n, Textures);
+
+   SetTexParams();
+
+   for (i = 0; i < n; i++) {
+      GLint w, h;
+      glBindTexture(GL_TEXTURE_2D, Textures[i]);
+#if TEST_MIPMAPS
+      {
+         static const GLubyte color[9][4] = {
+            {255, 0, 0},
+            {0, 255, 0},
+            {0, 0, 255},
+            {0, 255, 255},
+            {255, 0, 255},
+            {255, 255, 0},
+            {255, 128, 255},
+            {128, 128, 128},
+            {64, 64, 64}
+         };
+
+         GLubyte image[256*256*4];
+         int i, level;
+         w = h = 256;
+         for (level = 0; level <= 8; level++) {
+            for (i = 0; i < w * h; i++) {
+               image[i*4+0] = color[level][0];
+               image[i*4+1] = color[level][1];
+               image[i*4+2] = color[level][2];
+               image[i*4+3] = color[level][3];
+            }
+            printf("Load level %d: %d x %d\n", level, w>>level, h>>level);
+            glTexImage2D(GL_TEXTURE_2D, level, GL_RGBA, w>>level, h>>level, 0,
+                         GL_RGBA, GL_UNSIGNED_BYTE, image);
+         }
+      }
+#else
+      if (!LoadRGBMipmaps2(files[i], GL_TEXTURE_2D, GL_RGB, &w, &h)) {
+         printf("Error: couldn't load %s\n", files[i]);
+         exit(1);
+      }
+#endif
+      TexAspect[i] = (float) w / (float) h;
+      printf("Loaded %s\n", files[i]);
+   }
+}
+
+
+static void
+Init(int argc, const char *argv[])
+{
+   if (argc == 1)
+      LoadTextures(4, DefaultFiles);
+   else
+      LoadTextures(argc - 1, argv + 1);
+
+   Randomize();
+
+   glEnable(GL_TEXTURE_2D);
+
+   glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+   glColor4f(1, 1, 1, 0.5);
+
+#if 0
+   /* setup lighting, etc */
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+#endif
+}
+
+
+static void
+Usage(void)
+{
+   printf("Usage:\n");
+   printf("  textures [file.rgb] ...\n");
+   printf("Keys:\n");
+   printf("  a - toggle animation\n");
+   printf("  b - toggle blending\n");
+   printf("  f - change texture filter mode\n");
+   printf("  r - randomize\n");
+   printf("  ESC - exit\n");
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   glutInit(&argc, argv);
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(700, 700);
+   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
+   Win = glutCreateWindow(argv[0]);
+   glutReshapeFunc(Reshape);
+   glutKeyboardFunc(Key);
+   glutSpecialFunc(SpecialKey);
+   glutDisplayFunc(Draw);
+   if (Anim)
+      glutIdleFunc(Idle);
+   Init(argc, (const char **) argv);
+   Usage();
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/demos/tunnel2.c b/progs/demos/tunnel2.c
index 75a199af5d..f4171a8346 100644
--- a/progs/demos/tunnel2.c
+++ b/progs/demos/tunnel2.c
@@ -205,6 +205,8 @@ key(unsigned char k, int x, int y)
 {
    switch (k) {
    case 27:
+      glutDestroyWindow(channel[0]);
+      glutDestroyWindow(channel[1]);
       exit(0);
       break;
 
diff --git a/progs/egl/.gitignore b/progs/egl/.gitignore
index 1751108235..497b0ebbe3 100644
--- a/progs/egl/.gitignore
+++ b/progs/egl/.gitignore
@@ -3,3 +3,7 @@ demo2
 demo3
 eglgears
 eglinfo
+egltri
+peglgears
+xeglgears
+xegl_tri
diff --git a/progs/egl/Makefile b/progs/egl/Makefile
index 416d2c04b2..f31c21e87e 100644
--- a/progs/egl/Makefile
+++ b/progs/egl/Makefile
@@ -12,8 +12,12 @@ PROGRAMS = \
 	demo1 \
 	demo2 \
 	demo3 \
+	egltri \
 	eglinfo \
-	eglgears
+	eglgears \
+	peglgears \
+	xeglgears \
+	xegl_tri
 
 
 .c.o:
@@ -32,34 +36,63 @@ demo1.o: demo1.c $(HEADERS)
 
 
 demo2: demo2.o $(TOP)/$(LIB_DIR)/libEGL.so
-	$(CC) $(CFLAGS) $(LDFLAGS) demo2.o -L$(TOP)/$(LIB_DIR) -lEGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@
+	$(CC) $(CFLAGS) $(LDFLAGS) demo2.o -L$(TOP)/$(LIB_DIR) -lEGL -lGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@
 
 demo2.o: demo2.c $(HEADERS)
 	$(CC) -c $(CFLAGS) -I$(TOP)/include demo2.c
 
 
 demo3: demo3.o $(TOP)/$(LIB_DIR)/libEGL.so
-	$(CC) $(CFLAGS) $(LDFLAGS) demo3.o -L$(TOP)/$(LIB_DIR) -lEGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@
+	$(CC) $(CFLAGS) $(LDFLAGS) demo3.o -L$(TOP)/$(LIB_DIR) -lEGL -lGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@
 
 demo3.o: demo3.c $(HEADERS)
 	$(CC) -c $(CFLAGS) -I$(TOP)/include demo3.c
 
 
+egltri: egltri.o $(TOP)/$(LIB_DIR)/libEGL.so
+	$(CC) $(CFLAGS) egltri.o -L$(TOP)/$(LIB_DIR) -lEGL -lGL $(LIBDRM_LIB) -o $@
+
+egltri.o: egltri.c $(HEADERS)
+	$(CC) -c $(CFLAGS) -I$(TOP)/include egltri.c
+
+
 eglinfo: eglinfo.o $(TOP)/$(LIB_DIR)/libEGL.so
-	$(CC) $(CFLAGS) $(LDFLAGS) eglinfo.o -L$(TOP)/$(LIB_DIR) -lEGL $(LIBDRM_LIB) -o $@
+	$(CC) $(CFLAGS) $(LDFLAGS) eglinfo.o -L$(TOP)/$(LIB_DIR) -lEGL -lGL $(LIBDRM_LIB) -o $@
 
 eglinfo.o: eglinfo.c $(HEADERS)
 	$(CC) -c $(CFLAGS) -I$(TOP)/include eglinfo.c
 
 
 eglgears: eglgears.o $(TOP)/$(LIB_DIR)/libEGL.so
-	$(CC) $(CFLAGS) $(LDFLAGS) eglgears.o -L$(TOP)/$(LIB_DIR) -lEGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@
+	$(CC) $(CFLAGS) $(LDFLAGS) eglgears.o -L$(TOP)/$(LIB_DIR) -lEGL -lGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@
 
 eglgears.o: eglgears.c $(HEADERS)
 	$(CC) -c $(CFLAGS) -I$(TOP)/include eglgears.c
 
 
+peglgears: peglgears.o $(TOP)/$(LIB_DIR)/libEGL.so
+	$(CC) $(CFLAGS) peglgears.o -L$(TOP)/$(LIB_DIR) -lEGL -lGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@
+
+peglgears.o: peglgears.c $(HEADERS)
+	$(CC) -c $(CFLAGS) -I$(TOP)/include peglgears.c
+
+
+xeglgears: xeglgears.o $(TOP)/$(LIB_DIR)/libEGL.so
+	$(CC) $(CFLAGS) xeglgears.o -L$(TOP)/$(LIB_DIR) -lEGL -lGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@
+
+xeglgears.o: xeglgears.c $(HEADERS)
+	$(CC) -c $(CFLAGS) -I$(TOP)/include xeglgears.c
+
+
+xegl_tri: xegl_tri.o $(TOP)/$(LIB_DIR)/libEGL.so
+	$(CC) $(CFLAGS) xegl_tri.o -L$(TOP)/$(LIB_DIR) -lEGL -lGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@
+
+xegl_tri.o: xegl_tri.c $(HEADERS)
+	$(CC) -c $(CFLAGS) -I$(TOP)/include xegl_tri.c
+
+
 clean:
 	-rm -f *.o *~
 	-rm -f *.so
 	-rm -f $(PROGRAMS)
+
diff --git a/progs/egl/demo1.c b/progs/egl/demo1.c
index 9ef17e38b7..49b6624538 100644
--- a/progs/egl/demo1.c
+++ b/progs/egl/demo1.c
@@ -2,7 +2,10 @@
  * Exercise EGL API functions
  */
 
-#include <GLES/egl.h>
+#define EGL_EGLEXT_PROTOTYPES
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
 #include <assert.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -102,7 +105,7 @@ main(int argc, char *argv[])
    /*
    EGLDisplay d = eglGetDisplay(EGL_DEFAULT_DISPLAY);
    */
-   EGLDisplay d = eglGetDisplay("!fb_dri");
+   EGLDisplay d = eglGetDisplay((EGLNativeDisplayType) "!EGL_i915");
    assert(d);
 
    if (!eglInitialize(d, &maj, &min)) {
diff --git a/progs/egl/demo2.c b/progs/egl/demo2.c
index 17bbca6158..d7283e13bd 100644
--- a/progs/egl/demo2.c
+++ b/progs/egl/demo2.c
@@ -2,35 +2,54 @@
  * Exercise EGL API functions
  */
 
+#define EGL_EGLEXT_PROTOTYPES
+
 #include <assert.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
 
-#include <GLES/egl.h>
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+#include <GLES/gl.h>
 
 /*#define FRONTBUFFER*/
 
-static void _subset_Rectf(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2)
+static void _subset_Rectf(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2,
+                          GLfloat r, GLfloat g, GLfloat b)
 {
-   glBegin( GL_QUADS );
-   glVertex2f( x1, y1 );
-   glVertex2f( x2, y1 );
-   glVertex2f( x2, y2 );
-   glVertex2f( x1, y2 );
-   glEnd();
+   GLfloat v[4][2], c[4][4];
+   int i;
+
+   v[0][0] = x1;   v[0][1] = y1;
+   v[1][0] = x2;   v[1][1] = y1;
+   v[2][0] = x2;   v[2][1] = y2;
+   v[3][0] = x1;   v[3][1] = y2;
+
+   for (i = 0; i < 4; i++) {
+      c[i][0] = r;
+      c[i][1] = g;
+      c[i][2] = b;
+      c[i][3] = 1.0;
+   }
+
+   glVertexPointer(2, GL_FLOAT, 0, v);
+   glColorPointer(4, GL_FLOAT, 0, v);
+   glEnableClientState(GL_VERTEX_ARRAY);
+   glEnableClientState(GL_COLOR_ARRAY);
+
+   glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
+
+   glDisableClientState(GL_VERTEX_ARRAY);
+   glDisableClientState(GL_COLOR_ARRAY);
 }
 
 
 static void redraw(EGLDisplay dpy, EGLSurface surf, int rot)
 {
-   printf("Redraw event\n");
+   GLfloat r, g, b;
 
-#ifdef FRONTBUFFER
-    glDrawBuffer( GL_FRONT ); 
-#else
-    glDrawBuffer( GL_BACK );
-#endif
+   printf("Redraw event\n");
 
    glClearColor( rand()/(float)RAND_MAX, 
 		 rand()/(float)RAND_MAX, 
@@ -39,13 +58,14 @@ static void redraw(EGLDisplay dpy, EGLSurface surf, int rot)
 
    glClear( GL_COLOR_BUFFER_BIT ); 
 
-   glColor3f( rand()/(float)RAND_MAX, 
-	      rand()/(float)RAND_MAX, 
-	      rand()/(float)RAND_MAX );
+   r = rand()/(float)RAND_MAX;
+   g = rand()/(float)RAND_MAX;
+   b = rand()/(float)RAND_MAX;
+
    glPushMatrix();
    glRotatef(rot, 0, 0, 1);
    glScalef(.5, .5, .5);
-   _subset_Rectf( -1, -1, 1, 1 );
+   _subset_Rectf( -1, -1, 1, 1, r, g, b );
    glPopMatrix();
 
 #ifdef FRONTBUFFER
@@ -102,7 +122,7 @@ main(int argc, char *argv[])
    /*
    EGLDisplay d = eglGetDisplay(EGL_DEFAULT_DISPLAY);
    */
-   EGLDisplay d = eglGetDisplay("!fb_dri");
+   EGLDisplay d = eglGetDisplay((EGLNativeDisplayType) "!EGL_i915");
    assert(d);
 
    if (!eglInitialize(d, &maj, &min)) {
@@ -161,7 +181,6 @@ main(int argc, char *argv[])
    }
 
    glViewport(0, 0, 1024, 768);
-   glDrawBuffer( GL_FRONT ); 
 
    glClearColor( 0, 
 		 1.0, 
diff --git a/progs/egl/demo3.c b/progs/egl/demo3.c
index 9edf7c952b..a6096a257e 100644
--- a/progs/egl/demo3.c
+++ b/progs/egl/demo3.c
@@ -2,7 +2,11 @@
  * Exercise EGL API functions
  */
 
-#include <GLES/egl.h>
+#define EGL_EGLEXT_PROTOTYPES
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+#include <GL/gl.h>
 #include <assert.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -576,7 +580,7 @@ main(int argc, char *argv[])
    /*
    EGLDisplay d = eglGetDisplay(EGL_DEFAULT_DISPLAY);
    */
-   EGLDisplay d = eglGetDisplay(":0");
+   EGLDisplay d = eglGetDisplay("!EGL_i915");
    assert(d);
 
    if (!eglInitialize(d, &maj, &min)) {
diff --git a/progs/egl/eglgears.c b/progs/egl/eglgears.c
index 9feee20d88..31346d9523 100644
--- a/progs/egl/eglgears.c
+++ b/progs/egl/eglgears.c
@@ -27,13 +27,16 @@
  * Program runs for 5 seconds then exits, outputing framerate to console
  */
 
+#define EGL_EGLEXT_PROTOTYPES
+
+#include <assert.h>
 #include <math.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
 #include <GL/gl.h>
-#include <GLES/egl.h>
-#include <assert.h>
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
 
 #define MAX_CONFIGS 10
 #define MAX_MODES 100
@@ -385,7 +388,7 @@ main(int argc, char *argv[])
 	}
 	
 	/* DBR : Create EGL context/surface etc */
-        d = eglGetDisplay(":0");
+	d = eglGetDisplay((EGLNativeDisplayType)"!EGL_i915");
 	assert(d);
 
 	if (!eglInitialize(d, &maj, &min)) {
@@ -412,7 +415,7 @@ main(int argc, char *argv[])
 		eglGetModeAttribMESA(d, mode[i], EGL_WIDTH, &w);
 		eglGetModeAttribMESA(d, mode[i], EGL_HEIGHT, &h);
 		printf("%3d: %d x %d\n", i, w, h);
-		if (w > width && h > height && w <= 1280 && h <= 1024) {
+		if (w > width && h > height) {
 			width = w;
 			height = h;
                         chosenMode = i;
diff --git a/progs/egl/eglinfo.c b/progs/egl/eglinfo.c
index f9c2475445..14620a9759 100644
--- a/progs/egl/eglinfo.c
+++ b/progs/egl/eglinfo.c
@@ -25,7 +25,7 @@
  */
 
 
-#include <GLES/egl.h>
+#include <EGL/egl.h>
 #include <assert.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -48,15 +48,17 @@ PrintConfigs(EGLDisplay d)
    eglGetConfigs(d, configs, MAX_CONFIGS, &numConfigs);
 
    printf("Configurations:\n");
-   printf("     bf lv d st colorbuffer dp st   supported\n");
-   printf("  id sz  l b ro  r  g  b  a th cl   surfaces  \n");
-   printf("---------------------------------------------------\n");
+   printf("     bf lv d st colorbuffer dp st  ms    vis   supported\n");
+   printf("  id sz  l b ro  r  g  b  a th cl ns b    id   surfaces \n");
+   printf("--------------------------------------------------------\n");
    for (i = 0; i < numConfigs; i++) {
       EGLint id, size, level;
       EGLint red, green, blue, alpha;
       EGLint depth, stencil;
       EGLint surfaces;
       EGLint doubleBuf = 1, stereo = 0;
+      EGLint vid;
+      EGLint samples, sampleBuffers;
       char surfString[100] = "";
 
       eglGetConfigAttrib(d, configs[i], EGL_CONFIG_ID, &id);
@@ -69,8 +71,12 @@ PrintConfigs(EGLDisplay d)
       eglGetConfigAttrib(d, configs[i], EGL_ALPHA_SIZE, &alpha);
       eglGetConfigAttrib(d, configs[i], EGL_DEPTH_SIZE, &depth);
       eglGetConfigAttrib(d, configs[i], EGL_STENCIL_SIZE, &stencil);
+      eglGetConfigAttrib(d, configs[i], EGL_NATIVE_VISUAL_ID, &vid);
       eglGetConfigAttrib(d, configs[i], EGL_SURFACE_TYPE, &surfaces);
 
+      eglGetConfigAttrib(d, configs[i], EGL_SAMPLES, &samples);
+      eglGetConfigAttrib(d, configs[i], EGL_SAMPLE_BUFFERS, &sampleBuffers);
+
       if (surfaces & EGL_WINDOW_BIT)
          strcat(surfString, "win,");
       if (surfaces & EGL_PBUFFER_BIT)
@@ -84,12 +90,13 @@ PrintConfigs(EGLDisplay d)
       if (strlen(surfString) > 0)
          surfString[strlen(surfString) - 1] = 0;
 
-      printf("0x%02x %2d %2d %c  %c %2d %2d %2d %2d %2d %2d   %-12s\n",
+      printf("0x%02x %2d %2d %c  %c %2d %2d %2d %2d %2d %2d %2d%2d  0x%02x   %-12s\n",
              id, size, level,
              doubleBuf ? 'y' : '.',
              stereo ? 'y' : '.',
              red, green, blue, alpha,
-             depth, stencil, surfString);
+             depth, stencil,
+             samples, sampleBuffers, vid, surfString);
    }
 }
 
@@ -139,8 +146,7 @@ int
 main(int argc, char *argv[])
 {
    int maj, min;
-   /*EGLDisplay d = eglGetDisplay(EGL_DEFAULT_DISPLAY);*/
-   EGLDisplay d = eglGetDisplay(":0");
+   EGLDisplay d = eglGetDisplay(EGL_DEFAULT_DISPLAY);
 
    if (!eglInitialize(d, &maj, &min)) {
       printf("eglinfo: eglInitialize failed\n");
@@ -150,14 +156,14 @@ main(int argc, char *argv[])
    printf("EGL API version: %d.%d\n", maj, min);
    printf("EGL vendor string: %s\n", eglQueryString(d, EGL_VENDOR));
    printf("EGL version string: %s\n", eglQueryString(d, EGL_VERSION));
+#ifdef EGL_VERSION_1_2
+   printf("EGL client APIs: %s\n", eglQueryString(d, EGL_CLIENT_APIS));
+#endif
    printf("EGL extensions string:\n");
    printf("    %s\n", eglQueryString(d, EGL_EXTENSIONS));
-   printf("\n");
 
    PrintConfigs(d);
 
-   printf("\n");
-
    PrintModes(d);
 
    eglTerminate(d);
diff --git a/progs/egl/egltri.c b/progs/egl/egltri.c
new file mode 100644
index 0000000000..44096d94a2
--- /dev/null
+++ b/progs/egl/egltri.c
@@ -0,0 +1,264 @@
+/*
+ * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
+ * Copyright (C) 2008  Brian Paul   All Rights Reserved.
+ * Copyright (C) 2008  Jakob Bornecrantz   All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * This program is based on eglgears and xegl_tri.
+ * Remixed by Jakob Bornecrantz
+ *
+ * No command line options.
+ * Program runs for 5 seconds then exits, outputing framerate to console
+ */
+
+#define EGL_EGLEXT_PROTOTYPES
+
+#include <assert.h>
+#include <math.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <GL/gl.h>
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+
+#define MAX_CONFIGS 10
+#define MAX_MODES 100
+
+
+/* XXX this probably isn't very portable */
+
+#include <sys/time.h>
+#include <unistd.h>
+
+/* return current time (in seconds) */
+static double
+current_time(void)
+{
+   struct timeval tv;
+#ifdef __VMS
+   (void) gettimeofday(&tv, NULL );
+#else
+   struct timezone tz;
+   (void) gettimeofday(&tv, &tz);
+#endif
+   return (double) tv.tv_sec + tv.tv_usec / 1000000.0;
+}
+
+
+static GLfloat view_rotx = 0.0, view_roty = 0.0, view_rotz = 0.0;
+
+static void draw()
+{
+	static const GLfloat verts[3][2] = {
+		{ -1, -1 },
+		{  1, -1 },
+		{  0,  1 }
+	};
+	static const GLfloat colors[3][3] = {
+		{ 1, 0, 0 },
+		{ 0, 1, 0 },
+		{ 0, 0, 1 }
+	};
+
+	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+	glPushMatrix();
+	glRotatef(view_rotx, 1, 0, 0);
+	glRotatef(view_roty, 0, 1, 0);
+	glRotatef(view_rotz, 0, 0, 1);
+
+	{
+		glVertexPointer(2, GL_FLOAT, 0, verts);
+		glColorPointer(3, GL_FLOAT, 0, colors);
+		glEnableClientState(GL_VERTEX_ARRAY);
+		glEnableClientState(GL_COLOR_ARRAY);
+
+		glDrawArrays(GL_TRIANGLES, 0, 3);
+
+		glDisableClientState(GL_VERTEX_ARRAY);
+		glDisableClientState(GL_COLOR_ARRAY);
+	}
+
+	glPopMatrix();
+}
+
+static void init()
+{
+	glClearColor(0.4, 0.4, 0.4, 0.0);
+}
+
+/* new window size or exposure */
+static void reshape(int width, int height)
+{
+	GLfloat ar = (GLfloat) width / (GLfloat) height;
+
+	glViewport(0, 0, (GLint) width, (GLint) height);
+
+	glMatrixMode(GL_PROJECTION);
+	glLoadIdentity();
+	glFrustum(-ar, ar, -1, 1, 5.0, 60.0);
+
+	glMatrixMode(GL_MODELVIEW);
+	glLoadIdentity();
+	glTranslatef(0.0, 0.0, -10.0);
+}
+
+static void run(EGLDisplay dpy, EGLSurface surf, int ttr)
+{
+	double st = current_time();
+	double ct = st;
+	int frames = 0;
+
+	while (ct - st < ttr)
+	{
+		double tt = current_time();
+		double dt = tt - ct;
+		ct = tt;
+
+		draw();
+
+		eglSwapBuffers(dpy, surf);
+
+		frames++;
+	}
+
+	GLfloat seconds = ct - st;
+	GLfloat fps = frames / seconds;
+	printf("%d frames in %3.1f seconds = %6.3f FPS\n", frames, seconds, fps);
+}
+
+int main(int argc, char *argv[])
+{
+	int maj, min;
+	EGLContext ctx;
+	EGLSurface screen_surf;
+	EGLConfig configs[MAX_CONFIGS];
+	EGLint numConfigs, i;
+	EGLBoolean b;
+	EGLDisplay d;
+	EGLint screenAttribs[10];
+	EGLModeMESA mode[MAX_MODES];
+	EGLScreenMESA screen;
+	EGLint count, chosenMode = 0;
+	GLboolean printInfo = GL_FALSE;
+	EGLint width = 0, height = 0;
+
+	/* parse cmd line args */
+	for (i = 1; i < argc; i++)
+	{
+		if (strcmp(argv[i], "-info") == 0)
+		{
+			printInfo = GL_TRUE;
+		}
+		else
+			printf("Warning: unknown parameter: %s\n", argv[i]);
+	}
+
+	/* DBR : Create EGL context/surface etc */
+	d = eglGetDisplay((EGLNativeDisplayType)"!EGL_i915");
+	assert(d);
+
+	if (!eglInitialize(d, &maj, &min)) {
+		printf("egltri: eglInitialize failed\n");
+		exit(1);
+	}
+
+	printf("egltri: EGL version = %d.%d\n", maj, min);
+	printf("egltri: EGL_VENDOR = %s\n", eglQueryString(d, EGL_VENDOR));
+
+	/* XXX use ChooseConfig */
+	eglGetConfigs(d, configs, MAX_CONFIGS, &numConfigs);
+	eglGetScreensMESA(d, &screen, 1, &count);
+
+	if (!eglGetModesMESA(d, screen, mode, MAX_MODES, &count) || count == 0) {
+		printf("egltri: eglGetModesMESA failed!\n");
+		return 0;
+	}
+
+	/* Print list of modes, and find the one to use */
+	printf("egltri: Found %d modes:\n", count);
+	for (i = 0; i < count; i++) {
+		EGLint w, h;
+		eglGetModeAttribMESA(d, mode[i], EGL_WIDTH, &w);
+		eglGetModeAttribMESA(d, mode[i], EGL_HEIGHT, &h);
+		printf("%3d: %d x %d\n", i, w, h);
+		if (w > width && h > height) {
+			width = w;
+			height = h;
+			chosenMode = i;
+		}
+	}
+	printf("egltri: Using screen mode/size %d: %d x %d\n", chosenMode, width, height);
+
+	ctx = eglCreateContext(d, configs[0], EGL_NO_CONTEXT, NULL);
+	if (ctx == EGL_NO_CONTEXT) {
+		printf("egltri: failed to create context\n");
+		return 0;
+	}
+
+	/* build up screenAttribs array */
+	i = 0;
+	screenAttribs[i++] = EGL_WIDTH;
+	screenAttribs[i++] = width;
+	screenAttribs[i++] = EGL_HEIGHT;
+	screenAttribs[i++] = height;
+	screenAttribs[i++] = EGL_NONE;
+
+	screen_surf = eglCreateScreenSurfaceMESA(d, configs[0], screenAttribs);
+	if (screen_surf == EGL_NO_SURFACE) {
+		printf("egltri: failed to create screen surface\n");
+		return 0;
+	}
+
+	b = eglShowScreenSurfaceMESA(d, screen, screen_surf, mode[chosenMode]);
+	if (!b) {
+		printf("egltri: show surface failed\n");
+		return 0;
+	}
+
+	b = eglMakeCurrent(d, screen_surf, screen_surf, ctx);
+	if (!b) {
+		printf("egltri: make current failed\n");
+		return 0;
+	}
+
+	if (printInfo)
+	{
+		printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+		printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+		printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+		printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
+	}
+
+	init();
+	reshape(width, height);
+
+	glDrawBuffer( GL_BACK );
+
+	run(d, screen_surf, 5.0);
+
+	eglDestroySurface(d, screen_surf);
+	eglDestroyContext(d, ctx);
+	eglTerminate(d);
+
+	return 0;
+}
diff --git a/progs/egl/peglgears.c b/progs/egl/peglgears.c
new file mode 100644
index 0000000000..bac16453c1
--- /dev/null
+++ b/progs/egl/peglgears.c
@@ -0,0 +1,449 @@
+/*
+ * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * This is a port of the infamous "glxgears" demo to straight EGL
+ * Port by Dane Rushton 10 July 2005
+ * 
+ * No command line options.
+ * Program runs for 5 seconds then exits, outputing framerate to console
+ */
+
+#define EGL_EGLEXT_PROTOTYPES
+
+#include <assert.h>
+#include <math.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <GL/gl.h>
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+
+#define MAX_CONFIGS 10
+#define MAX_MODES 100
+
+#define BENCHMARK
+
+#ifdef BENCHMARK
+
+/* XXX this probably isn't very portable */
+
+#include <sys/time.h>
+#include <unistd.h>
+
+/* return current time (in seconds) */
+static double
+current_time(void)
+{
+   struct timeval tv;
+#ifdef __VMS
+   (void) gettimeofday(&tv, NULL );
+#else
+   struct timezone tz;
+   (void) gettimeofday(&tv, &tz);
+#endif
+   return (double) tv.tv_sec + tv.tv_usec / 1000000.0;
+}
+
+#else /*BENCHMARK*/
+
+/* dummy */
+static double
+current_time(void)
+{
+   /* update this function for other platforms! */
+   static double t = 0.0;
+   static int warn = 1;
+   if (warn) {
+      fprintf(stderr, "Warning: current_time() not implemented!!\n");
+      warn = 0;
+   }
+   return t += 1.0;
+}
+
+#endif /*BENCHMARK*/
+
+
+#ifndef M_PI
+#define M_PI 3.14159265
+#endif
+
+
+static GLfloat view_rotx = 20.0, view_roty = 30.0, view_rotz = 0.0;
+static GLint gear1, gear2, gear3;
+static GLfloat angle = 0.0;
+
+#if 0
+static GLfloat eyesep = 5.0;		/* Eye separation. */
+static GLfloat fix_point = 40.0;	/* Fixation point distance.  */
+static GLfloat left, right, asp;	/* Stereo frustum params.  */
+#endif
+
+
+/*
+ *
+ *  Draw a gear wheel.  You'll probably want to call this function when
+ *  building a display list since we do a lot of trig here.
+ * 
+ *  Input:  inner_radius - radius of hole at center
+ *          outer_radius - radius at center of teeth
+ *          width - width of gear
+ *          teeth - number of teeth
+ *          tooth_depth - depth of tooth
+ */
+static void
+gear(GLfloat inner_radius, GLfloat outer_radius, GLfloat width,
+     GLint teeth, GLfloat tooth_depth)
+{
+   GLint i;
+   GLfloat r0, r1, r2;
+   GLfloat angle, da;
+   GLfloat u, v, len;
+
+   r0 = inner_radius;
+   r1 = outer_radius - tooth_depth / 2.0;
+   r2 = outer_radius + tooth_depth / 2.0;
+
+   da = 2.0 * M_PI / teeth / 4.0;
+
+   glShadeModel(GL_FLAT);
+
+   glNormal3f(0.0, 0.0, 1.0);
+
+   /* draw front face */
+   glBegin(GL_QUAD_STRIP);
+   for (i = 0; i <= teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+      if (i < teeth) {
+	 glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+	 glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		    width * 0.5);
+      }
+   }
+   glEnd();
+
+   /* draw front sides of teeth */
+   glBegin(GL_QUADS);
+   da = 2.0 * M_PI / teeth / 4.0;
+   for (i = 0; i < teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+      glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5);
+      glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
+		 width * 0.5);
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		 width * 0.5);
+   }
+   glEnd();
+
+   glNormal3f(0.0, 0.0, -1.0);
+
+   /* draw back face */
+   glBegin(GL_QUAD_STRIP);
+   for (i = 0; i <= teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+      if (i < teeth) {
+	 glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		    -width * 0.5);
+	 glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+      }
+   }
+   glEnd();
+
+   /* draw back sides of teeth */
+   glBegin(GL_QUADS);
+   da = 2.0 * M_PI / teeth / 4.0;
+   for (i = 0; i < teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		 -width * 0.5);
+      glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
+		 -width * 0.5);
+      glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+   }
+   glEnd();
+
+   /* draw outward faces of teeth */
+   glBegin(GL_QUAD_STRIP);
+   for (i = 0; i < teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+      u = r2 * cos(angle + da) - r1 * cos(angle);
+      v = r2 * sin(angle + da) - r1 * sin(angle);
+      len = sqrt(u * u + v * v);
+      u /= len;
+      v /= len;
+      glNormal3f(v, -u, 0.0);
+      glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5);
+      glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
+      glNormal3f(cos(angle), sin(angle), 0.0);
+      glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
+		 width * 0.5);
+      glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
+		 -width * 0.5);
+      u = r1 * cos(angle + 3 * da) - r2 * cos(angle + 2 * da);
+      v = r1 * sin(angle + 3 * da) - r2 * sin(angle + 2 * da);
+      glNormal3f(v, -u, 0.0);
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		 width * 0.5);
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		 -width * 0.5);
+      glNormal3f(cos(angle), sin(angle), 0.0);
+   }
+
+   glVertex3f(r1 * cos(0), r1 * sin(0), width * 0.5);
+   glVertex3f(r1 * cos(0), r1 * sin(0), -width * 0.5);
+
+   glEnd();
+
+   glShadeModel(GL_SMOOTH);
+
+   /* draw inside radius cylinder */
+   glBegin(GL_QUAD_STRIP);
+   for (i = 0; i <= teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+      glNormal3f(-cos(angle), -sin(angle), 0.0);
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+   }
+   glEnd();
+}
+
+
+static void
+draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   glPushMatrix();
+   glRotatef(view_rotx, 1.0, 0.0, 0.0);
+   glRotatef(view_roty, 0.0, 1.0, 0.0);
+   glRotatef(view_rotz, 0.0, 0.0, 1.0);
+
+   glPushMatrix();
+   glTranslatef(-3.0, -2.0, 0.0);
+   glRotatef(angle, 0.0, 0.0, 1.0);
+   glCallList(gear1);
+   glPopMatrix();
+
+   glPushMatrix();
+   glTranslatef(3.1, -2.0, 0.0);
+   glRotatef(-2.0 * angle - 9.0, 0.0, 0.0, 1.0);
+   glCallList(gear2);
+   glPopMatrix();
+
+   glPushMatrix();
+   glTranslatef(-3.1, 4.2, 0.0);
+   glRotatef(-2.0 * angle - 25.0, 0.0, 0.0, 1.0);
+   glCallList(gear3);
+   glPopMatrix();
+
+   glPopMatrix();
+}
+
+
+/* new window size or exposure */
+static void
+reshape(int width, int height)
+{
+   glViewport(0, 0, (GLint) width, (GLint) height);
+
+   GLfloat h = (GLfloat) height / (GLfloat) width;
+
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum(-1.0, 1.0, -h, h, 5.0, 60.0);
+   
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -40.0);
+}
+   
+
+
+static void
+init(void)
+{
+   static GLfloat pos[4] = { 5.0, 5.0, 10.0, 0.0 };
+   static GLfloat red[4] = { 0.8, 0.1, 0.0, 1.0 };
+   static GLfloat green[4] = { 0.0, 0.8, 0.2, 1.0 };
+   static GLfloat blue[4] = { 0.2, 0.2, 1.0, 1.0 };
+
+   glLightfv(GL_LIGHT0, GL_POSITION, pos);
+   glEnable(GL_CULL_FACE);
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+   glEnable(GL_DEPTH_TEST);
+
+   /* make the gears */
+   gear1 = glGenLists(1);
+   glNewList(gear1, GL_COMPILE);
+   glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red);
+   gear(1.0, 4.0, 1.0, 20, 0.7);
+   glEndList();
+
+   gear2 = glGenLists(1);
+   glNewList(gear2, GL_COMPILE);
+   glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green);
+   gear(0.5, 2.0, 2.0, 10, 0.7);
+   glEndList();
+
+   gear3 = glGenLists(1);
+   glNewList(gear3, GL_COMPILE);
+   glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, blue);
+   gear(1.3, 2.0, 0.5, 10, 0.7);
+   glEndList();
+
+   glEnable(GL_NORMALIZE);
+}
+
+
+
+
+static void run_gears(EGLDisplay dpy, EGLSurface surf, int ttr)
+{
+	double st = current_time();
+	double ct = st;
+	int frames = 0;
+	while (ct - st < ttr)
+	{
+		double tt = current_time();
+		double dt = tt - ct;
+		ct = tt;
+		
+		/* advance rotation for next frame */
+		angle += 70.0 * dt;  /* 70 degrees per second */
+		if (angle > 3600.0)
+			angle -= 3600.0;
+		
+		draw();
+		
+		eglSwapBuffers(dpy, surf);
+	
+		
+		frames++;
+	}
+	
+	GLfloat seconds = ct - st;
+	GLfloat fps = frames / seconds;
+	printf("%d frames in %3.1f seconds = %6.3f FPS\n", frames, seconds, fps);
+	
+}
+
+
+int
+main(int argc, char *argv[])
+{
+	int major, minor;
+	EGLContext ctx;
+	EGLSurface surface;
+	EGLConfig configs[MAX_CONFIGS];
+	EGLint numConfigs, i;
+	EGLBoolean b;
+	EGLDisplay d;
+	EGLint screenAttribs[10];
+	GLboolean printInfo = GL_FALSE;
+	EGLint width = 300, height = 300;
+	
+        /* parse cmd line args */
+	for (i = 1; i < argc; i++)
+	{
+		if (strcmp(argv[i], "-info") == 0)
+		{
+			printInfo = GL_TRUE;
+		}
+		else
+			printf("Warning: unknown parameter: %s\n", argv[i]);
+	}
+	
+	/* DBR : Create EGL context/surface etc */
+	d = eglGetDisplay((EGLNativeDisplayType)"!EGL_i915");
+	assert(d);
+
+	if (!eglInitialize(d, &major, &minor)) {
+		printf("peglgears: eglInitialize failed\n");
+		return 0;
+	}
+
+	printf("peglgears: EGL version = %d.%d\n", major, minor);
+	printf("peglgears: EGL_VENDOR = %s\n", eglQueryString(d, EGL_VENDOR));
+
+	eglGetConfigs(d, configs, MAX_CONFIGS, &numConfigs);
+
+	eglBindAPI(EGL_OPENGL_API);
+
+	ctx = eglCreateContext(d, configs[0], EGL_NO_CONTEXT, NULL);
+	if (ctx == EGL_NO_CONTEXT) {
+		printf("peglgears: failed to create context\n");
+		return 0;
+	}
+	
+	/* build up screenAttribs array */
+	i = 0;
+	screenAttribs[i++] = EGL_WIDTH;
+	screenAttribs[i++] = width;
+	screenAttribs[i++] = EGL_HEIGHT;
+	screenAttribs[i++] = height;
+	screenAttribs[i++] = EGL_NONE;
+
+	surface = eglCreatePbufferSurface(d, configs[0], screenAttribs);
+	if (surface == EGL_NO_SURFACE) {
+		printf("peglgears: failed to create pbuffer surface\n");
+		return 0;
+	}
+	
+	b = eglMakeCurrent(d, surface, surface, ctx);
+	if (!b) {
+		printf("peglgears: make current failed\n");
+		return 0;
+	}
+	
+	if (printInfo)
+	{
+		printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+		printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+		printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+		printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
+	}
+	
+	init();
+	reshape(width, height);
+
+	glDrawBuffer( GL_BACK );
+
+	run_gears(d, surface, 5.0);
+	
+	eglDestroySurface(d, surface);
+	eglDestroyContext(d, ctx);
+	eglTerminate(d);
+	
+	return 0;
+}
diff --git a/progs/egl/xegl_tri.c b/progs/egl/xegl_tri.c
new file mode 100644
index 0000000000..65f352ddfa
--- /dev/null
+++ b/progs/egl/xegl_tri.c
@@ -0,0 +1,359 @@
+/*
+ * Copyright (C) 2008  Brian Paul   All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * Draw a triangle with X/EGL.
+ * Brian Paul
+ * 3 June 2008
+ */
+
+
+#include <assert.h>
+#include <math.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/keysym.h>
+#include <GL/gl.h>  /* using full OpenGL for now */
+#include <GLES/egl.h>
+
+
+static GLfloat view_rotx = 0.0, view_roty = 0.0, view_rotz = 0.0;
+
+
+static void
+draw(void)
+{
+   static const GLfloat verts[3][2] = {
+      { -1, -1 },
+      {  1, -1 },
+      {  0,  1 }
+   };
+   static const GLfloat colors[3][3] = {
+      { 1, 0, 0 },
+      { 0, 1, 0 },
+      { 0, 0, 1 }
+   };
+
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   glPushMatrix();
+   glRotatef(view_rotx, 1, 0, 0);
+   glRotatef(view_roty, 0, 1, 0);
+   glRotatef(view_rotz, 0, 0, 1);
+
+   {
+      glVertexPointer(2, GL_FLOAT, 0, verts);
+      glColorPointer(3, GL_FLOAT, 0, colors);
+      glEnableClientState(GL_VERTEX_ARRAY);
+      glEnableClientState(GL_COLOR_ARRAY);
+
+      glDrawArrays(GL_TRIANGLES, 0, 3);
+
+      glDisableClientState(GL_VERTEX_ARRAY);
+      glDisableClientState(GL_COLOR_ARRAY);
+   }
+
+   glPopMatrix();
+}
+
+
+/* new window size or exposure */
+static void
+reshape(int width, int height)
+{
+   GLfloat ar = (GLfloat) width / (GLfloat) height;
+
+   glViewport(0, 0, (GLint) width, (GLint) height);
+
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum(-ar, ar, -1, 1, 5.0, 60.0);
+   
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -10.0);
+}
+
+
+static void
+init(void)
+{
+   glClearColor(0.4, 0.4, 0.4, 0.0);
+}
+
+
+/*
+ * Create an RGB, double-buffered X window.
+ * Return the window and context handles.
+ */
+static void
+make_x_window(Display *x_dpy, EGLDisplay egl_dpy,
+              const char *name,
+              int x, int y, int width, int height,
+              Window *winRet,
+              EGLContext *ctxRet,
+              EGLSurface *surfRet)
+{
+   static const EGLint attribs[] = {
+      EGL_RED_SIZE, 1,
+      EGL_GREEN_SIZE, 1,
+      EGL_BLUE_SIZE, 1,
+      EGL_DEPTH_SIZE, 1,
+      EGL_NONE
+   };
+
+   int scrnum;
+   XSetWindowAttributes attr;
+   unsigned long mask;
+   Window root;
+   Window win;
+   XVisualInfo *visInfo, visTemplate;
+   int num_visuals;
+   EGLContext ctx;
+   EGLConfig config;
+   EGLint num_configs;
+   EGLint vid;
+
+   scrnum = DefaultScreen( x_dpy );
+   root = RootWindow( x_dpy, scrnum );
+
+   if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs)) {
+      printf("Error: couldn't get an EGL visual config\n");
+      exit(1);
+   }
+
+   assert(config);
+   assert(num_configs > 0);
+
+   if (!eglGetConfigAttrib(egl_dpy, config, EGL_NATIVE_VISUAL_ID, &vid)) {
+      printf("Error: eglGetConfigAttrib() failed\n");
+      exit(1);
+   }
+
+   /* The X window visual must match the EGL config */
+   visTemplate.visualid = vid;
+   visInfo = XGetVisualInfo(x_dpy, VisualIDMask, &visTemplate, &num_visuals);
+   if (!visInfo) {
+      printf("Error: couldn't get X visual\n");
+      exit(1);
+   }
+
+   /* window attributes */
+   attr.background_pixel = 0;
+   attr.border_pixel = 0;
+   attr.colormap = XCreateColormap( x_dpy, root, visInfo->visual, AllocNone);
+   attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
+   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+   win = XCreateWindow( x_dpy, root, 0, 0, width, height,
+		        0, visInfo->depth, InputOutput,
+		        visInfo->visual, mask, &attr );
+
+   /* set hints and properties */
+   {
+      XSizeHints sizehints;
+      sizehints.x = x;
+      sizehints.y = y;
+      sizehints.width  = width;
+      sizehints.height = height;
+      sizehints.flags = USSize | USPosition;
+      XSetNormalHints(x_dpy, win, &sizehints);
+      XSetStandardProperties(x_dpy, win, name, name,
+                              None, (char **)NULL, 0, &sizehints);
+   }
+
+   eglBindAPI(EGL_OPENGL_API);
+
+   ctx = eglCreateContext(egl_dpy, config, EGL_NO_CONTEXT, NULL );
+   if (!ctx) {
+      printf("Error: glXCreateContext failed\n");
+      exit(1);
+   }
+
+   *surfRet = eglCreateWindowSurface(egl_dpy, config, win, NULL);
+
+   if (!*surfRet) {
+      printf("Error: eglCreateWindowSurface failed\n");
+      exit(1);
+   }
+
+   XFree(visInfo);
+
+   *winRet = win;
+   *ctxRet = ctx;
+}
+
+
+static void
+event_loop(Display *dpy, Window win,
+           EGLDisplay egl_dpy, EGLSurface egl_surf)
+{
+   while (1) {
+      int redraw = 0;
+      XEvent event;
+
+      XNextEvent(dpy, &event);
+
+      switch (event.type) {
+      case Expose:
+         redraw = 1;
+         break;
+      case ConfigureNotify:
+         reshape(event.xconfigure.width, event.xconfigure.height);
+         break;
+      case KeyPress:
+         {
+            char buffer[10];
+            int r, code;
+            code = XLookupKeysym(&event.xkey, 0);
+            if (code == XK_Left) {
+               view_roty += 5.0;
+            }
+            else if (code == XK_Right) {
+               view_roty -= 5.0;
+            }
+            else if (code == XK_Up) {
+               view_rotx += 5.0;
+            }
+            else if (code == XK_Down) {
+               view_rotx -= 5.0;
+            }
+            else {
+               r = XLookupString(&event.xkey, buffer, sizeof(buffer),
+                                 NULL, NULL);
+               if (buffer[0] == 27) {
+                  /* escape */
+                  return;
+               }
+            }
+         }
+         redraw = 1;
+         break;
+      default:
+         ; /*no-op*/
+      }
+
+      if (redraw) {
+         draw();
+         eglSwapBuffers(egl_dpy, egl_surf);
+      }
+   }
+}
+
+
+static void
+usage(void)
+{
+   printf("Usage:\n");
+   printf("  -display <displayname>  set the display to run on\n");
+   printf("  -info                   display OpenGL renderer info\n");
+}
+ 
+
+int
+main(int argc, char *argv[])
+{
+   const int winWidth = 300, winHeight = 300;
+   Display *x_dpy;
+   Window win;
+   EGLSurface egl_surf;
+   EGLContext egl_ctx;
+   EGLDisplay egl_dpy;
+   char *dpyName = NULL;
+   GLboolean printInfo = GL_FALSE;
+   EGLint egl_major, egl_minor;
+   int i;
+   const char *s;
+
+   for (i = 1; i < argc; i++) {
+      if (strcmp(argv[i], "-display") == 0) {
+         dpyName = argv[i+1];
+         i++;
+      }
+      else if (strcmp(argv[i], "-info") == 0) {
+         printInfo = GL_TRUE;
+      }
+      else {
+         usage();
+         return -1;
+      }
+   }
+
+   x_dpy = XOpenDisplay(dpyName);
+   if (!x_dpy) {
+      printf("Error: couldn't open display %s\n",
+	     dpyName ? dpyName : getenv("DISPLAY"));
+      return -1;
+   }
+
+   egl_dpy = eglGetDisplay(x_dpy);
+   if (!egl_dpy) {
+      printf("Error: eglGetDisplay() failed\n");
+      return -1;
+   }
+
+   if (!eglInitialize(egl_dpy, &egl_major, &egl_minor)) {
+      printf("Error: eglInitialize() failed\n");
+      return -1;
+   }
+
+   s = eglQueryString(egl_dpy, EGL_VERSION);
+   printf("EGL_VERSION = %s\n", s);
+
+   make_x_window(x_dpy, egl_dpy,
+                 "xegl_tri", 0, 0, winWidth, winHeight,
+                 &win, &egl_ctx, &egl_surf);
+
+   XMapWindow(x_dpy, win);
+   if (!eglMakeCurrent(egl_dpy, egl_surf, egl_surf, egl_ctx)) {
+      printf("Error: eglMakeCurrent() failed\n");
+      return -1;
+   }
+
+   if (printInfo) {
+      printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+      printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+      printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   }
+
+   init();
+
+   /* Set initial projection/viewing transformation.
+    * We can't be sure we'll get a ConfigureNotify event when the window
+    * first appears.
+    */
+   reshape(winWidth, winHeight);
+
+   event_loop(x_dpy, win, egl_dpy, egl_surf);
+
+   eglDestroyContext(egl_dpy, egl_ctx);
+   eglDestroySurface(egl_dpy, egl_surf);
+   eglTerminate(egl_dpy);
+
+
+   XDestroyWindow(x_dpy, win);
+   XCloseDisplay(x_dpy);
+
+   return 0;
+}
diff --git a/progs/egl/xeglgears.c b/progs/egl/xeglgears.c
new file mode 100644
index 0000000000..72ed005283
--- /dev/null
+++ b/progs/egl/xeglgears.c
@@ -0,0 +1,608 @@
+/*
+ * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * Ported to X/EGL/GLES.   XXX Actually, uses full OpenGL ATM.
+ * Brian Paul
+ * 30 May 2008
+ */
+
+/*
+ * Command line options:
+ *    -info      print GL implementation information
+ *
+ */
+
+
+#include <math.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/keysym.h>
+#include <GL/gl.h>
+#include <EGL/egl.h>
+
+
+#define BENCHMARK
+
+#ifdef BENCHMARK
+
+/* XXX this probably isn't very portable */
+
+#include <sys/time.h>
+#include <unistd.h>
+
+/* return current time (in seconds) */
+static double
+current_time(void)
+{
+   struct timeval tv;
+#ifdef __VMS
+   (void) gettimeofday(&tv, NULL );
+#else
+   struct timezone tz;
+   (void) gettimeofday(&tv, &tz);
+#endif
+   return (double) tv.tv_sec + tv.tv_usec / 1000000.0;
+}
+
+#else /*BENCHMARK*/
+
+/* dummy */
+static double
+current_time(void)
+{
+   /* update this function for other platforms! */
+   static double t = 0.0;
+   static int warn = 1;
+   if (warn) {
+      fprintf(stderr, "Warning: current_time() not implemented!!\n");
+      warn = 0;
+   }
+   return t += 1.0;
+}
+
+#endif /*BENCHMARK*/
+
+
+
+#ifndef M_PI
+#define M_PI 3.14159265
+#endif
+
+
+static GLfloat view_rotx = 20.0, view_roty = 30.0, view_rotz = 0.0;
+static GLint gear1, gear2, gear3;
+static GLfloat angle = 0.0;
+
+static GLboolean fullscreen = GL_FALSE;	/* Create a single fullscreen window */
+
+
+/*
+ *
+ *  Draw a gear wheel.  You'll probably want to call this function when
+ *  building a display list since we do a lot of trig here.
+ * 
+ *  Input:  inner_radius - radius of hole at center
+ *          outer_radius - radius at center of teeth
+ *          width - width of gear
+ *          teeth - number of teeth
+ *          tooth_depth - depth of tooth
+ */
+static void
+gear(GLfloat inner_radius, GLfloat outer_radius, GLfloat width,
+     GLint teeth, GLfloat tooth_depth)
+{
+   GLint i;
+   GLfloat r0, r1, r2;
+   GLfloat angle, da;
+   GLfloat u, v, len;
+
+   r0 = inner_radius;
+   r1 = outer_radius - tooth_depth / 2.0;
+   r2 = outer_radius + tooth_depth / 2.0;
+
+   da = 2.0 * M_PI / teeth / 4.0;
+
+   glShadeModel(GL_FLAT);
+
+   glNormal3f(0.0, 0.0, 1.0);
+
+   /* draw front face */
+   glBegin(GL_QUAD_STRIP);
+   for (i = 0; i <= teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+      if (i < teeth) {
+	 glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+	 glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		    width * 0.5);
+      }
+   }
+   glEnd();
+
+   /* draw front sides of teeth */
+   glBegin(GL_QUADS);
+   da = 2.0 * M_PI / teeth / 4.0;
+   for (i = 0; i < teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+      glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5);
+      glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
+		 width * 0.5);
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		 width * 0.5);
+   }
+   glEnd();
+
+   glNormal3f(0.0, 0.0, -1.0);
+
+   /* draw back face */
+   glBegin(GL_QUAD_STRIP);
+   for (i = 0; i <= teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+      if (i < teeth) {
+	 glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		    -width * 0.5);
+	 glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+      }
+   }
+   glEnd();
+
+   /* draw back sides of teeth */
+   glBegin(GL_QUADS);
+   da = 2.0 * M_PI / teeth / 4.0;
+   for (i = 0; i < teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		 -width * 0.5);
+      glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
+		 -width * 0.5);
+      glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+   }
+   glEnd();
+
+   /* draw outward faces of teeth */
+   glBegin(GL_QUAD_STRIP);
+   for (i = 0; i < teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5);
+      glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5);
+      u = r2 * cos(angle + da) - r1 * cos(angle);
+      v = r2 * sin(angle + da) - r1 * sin(angle);
+      len = sqrt(u * u + v * v);
+      u /= len;
+      v /= len;
+      glNormal3f(v, -u, 0.0);
+      glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5);
+      glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5);
+      glNormal3f(cos(angle), sin(angle), 0.0);
+      glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
+		 width * 0.5);
+      glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da),
+		 -width * 0.5);
+      u = r1 * cos(angle + 3 * da) - r2 * cos(angle + 2 * da);
+      v = r1 * sin(angle + 3 * da) - r2 * sin(angle + 2 * da);
+      glNormal3f(v, -u, 0.0);
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		 width * 0.5);
+      glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da),
+		 -width * 0.5);
+      glNormal3f(cos(angle), sin(angle), 0.0);
+   }
+
+   glVertex3f(r1 * cos(0), r1 * sin(0), width * 0.5);
+   glVertex3f(r1 * cos(0), r1 * sin(0), -width * 0.5);
+
+   glEnd();
+
+   glShadeModel(GL_SMOOTH);
+
+   /* draw inside radius cylinder */
+   glBegin(GL_QUAD_STRIP);
+   for (i = 0; i <= teeth; i++) {
+      angle = i * 2.0 * M_PI / teeth;
+      glNormal3f(-cos(angle), -sin(angle), 0.0);
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5);
+      glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5);
+   }
+   glEnd();
+}
+
+
+static void
+draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   glPushMatrix();
+   glRotatef(view_rotx, 1.0, 0.0, 0.0);
+   glRotatef(view_roty, 0.0, 1.0, 0.0);
+   glRotatef(view_rotz, 0.0, 0.0, 1.0);
+
+   glPushMatrix();
+   glTranslatef(-3.0, -2.0, 0.0);
+   glRotatef(angle, 0.0, 0.0, 1.0);
+   glCallList(gear1);
+   glPopMatrix();
+
+   glPushMatrix();
+   glTranslatef(3.1, -2.0, 0.0);
+   glRotatef(-2.0 * angle - 9.0, 0.0, 0.0, 1.0);
+   glCallList(gear2);
+   glPopMatrix();
+
+   glPushMatrix();
+   glTranslatef(-3.1, 4.2, 0.0);
+   glRotatef(-2.0 * angle - 25.0, 0.0, 0.0, 1.0);
+   glCallList(gear3);
+   glPopMatrix();
+
+   glPopMatrix();
+}
+
+
+/* new window size or exposure */
+static void
+reshape(int width, int height)
+{
+   GLfloat ar = (GLfloat) width / (GLfloat) height;
+
+   glViewport(0, 0, (GLint) width, (GLint) height);
+
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum(-ar, ar, -1, 1, 5.0, 60.0);
+   
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -40.0);
+}
+   
+
+
+static void
+init(void)
+{
+   static GLfloat pos[4] = { 5.0, 5.0, 10.0, 0.0 };
+   static GLfloat red[4] = { 0.8, 0.1, 0.0, 1.0 };
+   static GLfloat green[4] = { 0.0, 0.8, 0.2, 1.0 };
+   static GLfloat blue[4] = { 0.2, 0.2, 1.0, 1.0 };
+
+   glLightfv(GL_LIGHT0, GL_POSITION, pos);
+   glEnable(GL_CULL_FACE);
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+   glEnable(GL_DEPTH_TEST);
+
+   /* make the gears */
+   gear1 = glGenLists(1);
+   glNewList(gear1, GL_COMPILE);
+   glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red);
+   gear(1.0, 4.0, 1.0, 20, 0.7);
+   glEndList();
+
+   gear2 = glGenLists(1);
+   glNewList(gear2, GL_COMPILE);
+   glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green);
+   gear(0.5, 2.0, 2.0, 10, 0.7);
+   glEndList();
+
+   gear3 = glGenLists(1);
+   glNewList(gear3, GL_COMPILE);
+   glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, blue);
+   gear(1.3, 2.0, 0.5, 10, 0.7);
+   glEndList();
+
+   glEnable(GL_NORMALIZE);
+
+   glClearColor(0.2, 0.2, 0.2, 0.0);
+}
+
+
+/*
+ * Create an RGB, double-buffered X window.
+ * Return the window and context handles.
+ */
+static void
+make_x_window(Display *x_dpy, EGLDisplay egl_dpy,
+              const char *name,
+              int x, int y, int width, int height,
+              Window *winRet,
+              EGLContext *ctxRet,
+              EGLSurface *surfRet)
+{
+   static const EGLint attribs[] = {
+      EGL_RED_SIZE, 1,
+      EGL_GREEN_SIZE, 1,
+      EGL_BLUE_SIZE, 1,
+      /*EGL_DOUBLEBUFFER,*/
+      EGL_DEPTH_SIZE, 1,
+      EGL_NONE
+   };
+
+   int scrnum;
+   XSetWindowAttributes attr;
+   unsigned long mask;
+   Window root;
+   Window win;
+   XVisualInfo *visInfo, visTemplate;
+   int num_visuals;
+   EGLContext ctx;
+   EGLConfig config;
+   EGLint num_configs, vid;
+
+   scrnum = DefaultScreen( x_dpy );
+   root = RootWindow( x_dpy, scrnum );
+
+   if (fullscreen) {
+      x = 0; y = 0;
+      width = DisplayWidth( x_dpy, scrnum );
+      height = DisplayHeight( x_dpy, scrnum );
+   }
+
+   if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs)) {
+      printf("Error: couldn't get an EGL visual config\n");
+      exit(1);
+   }
+
+   if (!eglGetConfigAttrib(egl_dpy, config, EGL_NATIVE_VISUAL_ID, &vid)) {
+      printf("Error: eglGetConfigAttrib() failed\n");
+      exit(1);
+   }
+
+   /* The X window visual must match the EGL config */
+   visTemplate.visualid = vid;
+   visInfo = XGetVisualInfo(x_dpy, VisualIDMask, &visTemplate, &num_visuals);
+   if (!visInfo) {
+      printf("Error: couldn't get X visual\n");
+      exit(1);
+   }
+
+   /* window attributes */
+   attr.background_pixel = 0;
+   attr.border_pixel = 0;
+   attr.colormap = XCreateColormap( x_dpy, root, visInfo->visual, AllocNone);
+   attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
+   attr.override_redirect = fullscreen;
+   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask | CWOverrideRedirect;
+
+   win = XCreateWindow( x_dpy, root, 0, 0, width, height,
+		        0, visInfo->depth, InputOutput,
+		        visInfo->visual, mask, &attr );
+
+   /* set hints and properties */
+   {
+      XSizeHints sizehints;
+      sizehints.x = x;
+      sizehints.y = y;
+      sizehints.width  = width;
+      sizehints.height = height;
+      sizehints.flags = USSize | USPosition;
+      XSetNormalHints(x_dpy, win, &sizehints);
+      XSetStandardProperties(x_dpy, win, name, name,
+                              None, (char **)NULL, 0, &sizehints);
+   }
+
+   eglBindAPI(EGL_OPENGL_API);
+
+   ctx = eglCreateContext(egl_dpy, config, EGL_NO_CONTEXT, NULL );
+   if (!ctx) {
+      printf("Error: glXCreateContext failed\n");
+      exit(1);
+   }
+
+   *surfRet = eglCreateWindowSurface(egl_dpy, config, win, NULL);
+
+   XFree(visInfo);
+
+   *winRet = win;
+   *ctxRet = ctx;
+}
+
+
+static void
+event_loop(Display *dpy, Window win,
+           EGLDisplay egl_dpy, EGLSurface egl_surf)
+{
+   while (1) {
+      while (XPending(dpy) > 0) {
+         XEvent event;
+         XNextEvent(dpy, &event);
+         switch (event.type) {
+	 case Expose:
+            /* we'll redraw below */
+	    break;
+	 case ConfigureNotify:
+	    reshape(event.xconfigure.width, event.xconfigure.height);
+	    break;
+         case KeyPress:
+            {
+               char buffer[10];
+               int r, code;
+               code = XLookupKeysym(&event.xkey, 0);
+               if (code == XK_Left) {
+                  view_roty += 5.0;
+               }
+               else if (code == XK_Right) {
+                  view_roty -= 5.0;
+               }
+               else if (code == XK_Up) {
+                  view_rotx += 5.0;
+               }
+               else if (code == XK_Down) {
+                  view_rotx -= 5.0;
+               }
+               else {
+                  r = XLookupString(&event.xkey, buffer, sizeof(buffer),
+                                    NULL, NULL);
+                  if (buffer[0] == 27) {
+                     /* escape */
+                     return;
+                  }
+               }
+            }
+         }
+      }
+
+      {
+         static int frames = 0;
+         static double tRot0 = -1.0, tRate0 = -1.0;
+         double dt, t = current_time();
+         if (tRot0 < 0.0)
+            tRot0 = t;
+         dt = t - tRot0;
+         tRot0 = t;
+
+         /* advance rotation for next frame */
+         angle += 70.0 * dt;  /* 70 degrees per second */
+         if (angle > 3600.0)
+             angle -= 3600.0;
+
+         draw();
+         eglSwapBuffers(egl_dpy, egl_surf);
+
+         frames++;
+
+         if (tRate0 < 0.0)
+            tRate0 = t;
+         if (t - tRate0 >= 5.0) {
+            GLfloat seconds = t - tRate0;
+            GLfloat fps = frames / seconds;
+            printf("%d frames in %3.1f seconds = %6.3f FPS\n", frames, seconds,
+                   fps);
+            tRate0 = t;
+            frames = 0;
+         }
+      }
+   }
+}
+
+
+static void
+usage(void)
+{
+   printf("Usage:\n");
+   printf("  -display <displayname>  set the display to run on\n");
+   printf("  -fullscreen             run in fullscreen mode\n");
+   printf("  -info                   display OpenGL renderer info\n");
+}
+ 
+
+int
+main(int argc, char *argv[])
+{
+   const int winWidth = 300, winHeight = 300;
+   Display *x_dpy;
+   Window win;
+   EGLSurface egl_surf;
+   EGLContext egl_ctx;
+   EGLDisplay egl_dpy;
+   char *dpyName = NULL;
+   GLboolean printInfo = GL_FALSE;
+   EGLint egl_major, egl_minor;
+   int i;
+   const char *s;
+
+   for (i = 1; i < argc; i++) {
+      if (strcmp(argv[i], "-display") == 0) {
+         dpyName = argv[i+1];
+         i++;
+      }
+      else if (strcmp(argv[i], "-info") == 0) {
+         printInfo = GL_TRUE;
+      }
+      else if (strcmp(argv[i], "-fullscreen") == 0) {
+         fullscreen = GL_TRUE;
+      }
+      else {
+         usage();
+         return -1;
+      }
+   }
+
+   x_dpy = XOpenDisplay(dpyName);
+   if (!x_dpy) {
+      printf("Error: couldn't open display %s\n",
+	     dpyName ? dpyName : getenv("DISPLAY"));
+      return -1;
+   }
+
+   egl_dpy = eglGetDisplay(x_dpy);
+   if (!egl_dpy) {
+      printf("Error: eglGetDisplay() failed\n");
+      return -1;
+   }
+
+   if (!eglInitialize(egl_dpy, &egl_major, &egl_minor)) {
+      printf("Error: eglInitialize() failed\n");
+      return -1;
+   }
+
+   s = eglQueryString(egl_dpy, EGL_VERSION);
+   printf("EGL_VERSION = %s\n", s);
+
+   make_x_window(x_dpy, egl_dpy,
+                 "glxgears", 0, 0, winWidth, winHeight,
+                 &win, &egl_ctx, &egl_surf);
+
+   XMapWindow(x_dpy, win);
+   eglMakeCurrent(egl_dpy, egl_surf, egl_surf, egl_ctx);
+
+   if (printInfo) {
+      printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+      printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+      printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   }
+
+   init();
+
+   /* Set initial projection/viewing transformation.
+    * We can't be sure we'll get a ConfigureNotify event when the window
+    * first appears.
+    */
+   reshape(winWidth, winHeight);
+
+   event_loop(x_dpy, win, egl_dpy, egl_surf);
+
+   glDeleteLists(gear1, 1);
+   glDeleteLists(gear2, 1);
+   glDeleteLists(gear3, 1);
+
+   eglDestroyContext(egl_dpy, egl_ctx);
+   eglDestroySurface(egl_dpy, egl_surf);
+   eglTerminate(egl_dpy);
+
+
+   XDestroyWindow(x_dpy, win);
+   XCloseDisplay(x_dpy);
+
+   return 0;
+}
diff --git a/progs/fbdev/Makefile b/progs/fbdev/Makefile
index 39401243e5..e935a519c3 100644
--- a/progs/fbdev/Makefile
+++ b/progs/fbdev/Makefile
@@ -42,6 +42,7 @@ clean:
 
 
 depend: $(SOURCES)
+	rm -f depend
 	touch depend
 	$(MKDEP) $(MKDEP_OPTIONS) $(INCLUDES) $(SOURCES) > /dev/null 
 
diff --git a/progs/fp/.gitignore b/progs/fp/.gitignore
index b265f1fed7..aa51f76c9b 100644
--- a/progs/fp/.gitignore
+++ b/progs/fp/.gitignore
@@ -40,3 +40,4 @@ tri-swz
 tri-swz2
 tri-tex
 tri-xpd
+fp-tri
diff --git a/progs/fp/Makefile b/progs/fp/Makefile
index 3e52474777..ef6644cce2 100644..100755
--- a/progs/fp/Makefile
+++ b/progs/fp/Makefile
@@ -11,46 +11,14 @@ include $(TOP)/configs/current
 LIBS = -L$(TOP)/$(LIB_DIR) -l$(GLUT_LIB) -l$(GLU_LIB) -l$(GL_LIB) $(APP_LIB_DEPS)
 
 SOURCES = \
-	tri-abs.c \
-	tri-add.c \
-	tri-cmp.c \
-	tri-cos.c \
-	tri-dp3.c \
-	tri-dp4.c \
-	tri-dph.c \
-	tri-dst.c \
-	tri-ex2.c \
-	tri-flr.c \
-	tri-frc.c \
-	tri-kil.c \
-	tri-lg2.c \
-	tri-lit.c \
-	tri-lrp.c \
-	tri-mad.c \
-	tri-max.c \
-	tri-min.c \
-	tri-mov.c \
-	tri-mul.c \
-	tri-pow.c \
-	tri-param.c \
-	tri-rcp.c \
-	tri-rsq.c \
-	tri-scs.c \
-	tri-sge.c \
-	tri-sge2.c \
-	tri-sin.c \
-	tri-slt.c \
-	tri-sub.c \
-	tri-swz.c \
-	tri-swz2.c \
 	tri-tex.c \
-	tri-xpd.c \
-	tri-position.c \
 	point-position.c \
 	tri-depth.c \
 	tri-depth2.c \
 	tri-depthwrite.c \
 	tri-depthwrite2.c \
+        tri-param.c \
+        fp-tri.c
 
 NOTDONE=\
 	tri-txb.c \
@@ -72,13 +40,13 @@ UTIL_FILES = readtex.h readtex.c
 .SUFFIXES: .c
 
 .c:
-	$(CC) $(INCLUDES) $(CFLAGS) $(LDFLAGS) $< $(LIBS) -o $@
+	$(APP_CC) $(INCLUDES) $(CFLAGS) $(LDFLAGS) $< $(LIBS) -o $@
 
 .c.o:
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
 
 .S.o:
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES)  $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES)  $< -o $@
 
 
 ##### TARGETS #####
@@ -100,18 +68,20 @@ getproclist.h: $(TOP)/src/mesa/glapi/gl_API.xml getprocaddress.c getprocaddress.
 
 texrect: texrect.o readtex.o
 	$(CC) $(CFLAGS) $(LDFLAGS) texrect.o readtex.o $(LIBS) -o $@
+#	$(APP_CC) texrect.o readtex.o $(LIBS) -o $@
 
 texrect.o: texrect.c readtex.h
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
 
 invert: invert.o readtex.o
 	$(CC) $(CFLAGS) $(LDFLAGS) invert.o readtex.o $(LIBS) -o $@
+#	$(APP_CC) invert.o readtex.o $(LIBS) -o $@
 
 invert.o: invert.c readtex.h
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
 
 readtex.o: readtex.c
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
 
 
 readtex.h: $(TOP)/progs/util/readtex.h
diff --git a/progs/fp/abs.txt b/progs/fp/abs.txt
new file mode 100644
index 0000000000..61ef952b05
--- /dev/null
+++ b/progs/fp/abs.txt
@@ -0,0 +1,5 @@
+!!ARBfp1.0
+TEMP R0;
+SUB R0, {0.5}.x, fragment.color;
+ABS result.color, R0;
+END
diff --git a/progs/fp/add-swz.txt b/progs/fp/add-swz.txt
new file mode 100644
index 0000000000..5ec51bcb84
--- /dev/null
+++ b/progs/fp/add-swz.txt
@@ -0,0 +1,5 @@
+!!ARBfp1.0
+TEMP R0;
+ADD R0, fragment.color, fragment.color;
+ADD result.color, R0.xxxx, R0;
+END
diff --git a/progs/fp/add.txt b/progs/fp/add.txt
new file mode 100644
index 0000000000..031076df0f
--- /dev/null
+++ b/progs/fp/add.txt
@@ -0,0 +1,5 @@
+!!ARBfp1.0
+TEMP R0;
+ADD R0, fragment.color, fragment.color;
+ADD result.color, R0, R0;
+END
diff --git a/progs/fp/cmp.txt b/progs/fp/cmp.txt
new file mode 100644
index 0000000000..78451609a3
--- /dev/null
+++ b/progs/fp/cmp.txt
@@ -0,0 +1,5 @@
+!!ARBfp1.0
+TEMP R0;
+SUB R0, {0.5}.x, fragment.color;
+CMP result.color, R0, fragment.color, {0.0}.x;
+END
diff --git a/progs/fp/cos.txt b/progs/fp/cos.txt
new file mode 100644
index 0000000000..d51b13b63a
--- /dev/null
+++ b/progs/fp/cos.txt
@@ -0,0 +1,8 @@
+!!ARBfp1.0
+TEMP R0;
+MUL R0, fragment.color, {3.14}.x;
+COS result.color.x, R0.x;
+COS result.color.y, R0.y;
+COS result.color.z, R0.z;
+END
+
diff --git a/progs/fp/dp3.txt b/progs/fp/dp3.txt
new file mode 100644
index 0000000000..75532f88a7
--- /dev/null
+++ b/progs/fp/dp3.txt
@@ -0,0 +1,4 @@
+!!ARBfp1.0
+TEMP R0;
+DP3 result.color, fragment.color, fragment.color;
+END
diff --git a/progs/fp/dp4.txt b/progs/fp/dp4.txt
new file mode 100644
index 0000000000..8d09c8dbf6
--- /dev/null
+++ b/progs/fp/dp4.txt
@@ -0,0 +1,4 @@
+!!ARBfp1.0
+TEMP R0;
+DP4 result.color, fragment.color.xxxx, fragment.color;
+END
diff --git a/progs/fp/dph.txt b/progs/fp/dph.txt
new file mode 100644
index 0000000000..6eb59a410d
--- /dev/null
+++ b/progs/fp/dph.txt
@@ -0,0 +1,4 @@
+!!ARBfp1.0
+TEMP R0;
+DPH result.color, fragment.color, fragment.color.xyzx;
+END
diff --git a/progs/fp/dst.txt b/progs/fp/dst.txt
new file mode 100644
index 0000000000..6ebabbd5ea
--- /dev/null
+++ b/progs/fp/dst.txt
@@ -0,0 +1,3 @@
+!!ARBfp1.0
+DST result.color, fragment.color, fragment.color;
+END
diff --git a/progs/fp/ex2.txt b/progs/fp/ex2.txt
new file mode 100644
index 0000000000..b540f7b192
--- /dev/null
+++ b/progs/fp/ex2.txt
@@ -0,0 +1,5 @@
+!!ARBfp1.0
+TEMP R0;
+EX2 R0, fragment.color.x;
+SUB result.color, R0, {1.0}.x;
+END
diff --git a/progs/fp/flr.txt b/progs/fp/flr.txt
new file mode 100644
index 0000000000..c3479c7bd5
--- /dev/null
+++ b/progs/fp/flr.txt
@@ -0,0 +1,5 @@
+!!ARBfp1.0
+TEMP R0;
+ADD R0, fragment.color, {0.5}.x;
+FLR result.color,  R0;
+END
diff --git a/progs/fp/fp-tri.c b/progs/fp/fp-tri.c
new file mode 100644
index 0000000000..843f897871
--- /dev/null
+++ b/progs/fp/fp-tri.c
@@ -0,0 +1,171 @@
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+#include <unistd.h>
+#include <signal.h>
+
+unsigned show_fps = 0;
+unsigned int frame_cnt = 0;
+void alarmhandler(int);
+static const char *filename = NULL;
+
+static void usage(char *name)
+{
+   fprintf(stderr, "usage: %s [ options ] shader_filename\n", name);
+   fprintf(stderr, "\n" );
+   fprintf(stderr, "options:\n");
+   fprintf(stderr, "    -fps  show frames per second\n");
+}
+
+void alarmhandler (int sig)
+{
+   if (sig == SIGALRM) {
+      printf("%d frames in 5.0 seconds = %.3f FPS\n", frame_cnt,
+             frame_cnt / 5.0);
+
+      frame_cnt = 0;
+   }
+   signal(SIGALRM, alarmhandler);
+   alarm(5);
+}
+
+static void args(int argc, char *argv[])
+{
+   GLint i;
+
+   for (i = 1; i < argc; i++) {
+      if (strcmp(argv[i], "-fps") == 0) {
+         show_fps = 1;
+      }
+      else if (i == argc - 1) {
+	 filename = argv[i];
+      }
+      else {
+	 usage(argv[0]);
+	 exit(1);
+      }
+   }
+
+   if (!filename) {
+      usage(argv[0]);
+      exit(1);
+   }
+}
+
+static void Init( void )
+{
+   GLint errno;
+   GLuint prognum;
+   char buf[4096];
+   GLuint sz;
+   FILE *f;
+
+   if ((f = fopen(filename, "r")) == NULL) {
+      fprintf(stderr, "Couldn't open %s\n", filename);
+      exit(1);
+   }
+
+   sz = fread(buf, 1, sizeof(buf), f);
+   if (!feof(f)) {
+      fprintf(stderr, "file too long\n");
+      exit(1);
+   }
+   fprintf(stderr, "%.*s\n", sz, buf);
+
+   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
+      printf("Error: GL_ARB_fragment_program not supported!\n");
+      exit(1);
+   }
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+
+   /* Setup the fragment program */
+   glGenProgramsARB(1, &prognum);
+   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, prognum);
+   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+                      sz, (const GLubyte *)buf);
+
+   errno = glGetError();
+   printf("glGetError = 0x%x\n", errno);
+   if (errno != GL_NO_ERROR) {
+      GLint errorpos;
+
+      glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
+      printf("errorpos: %d\n", errorpos);
+      printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
+             (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+   }
+   glEnable(GL_FRAGMENT_PROGRAM_ARB);
+
+   glClearColor(.3, .3, .3, 0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Display(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT);
+
+   glProgramLocalParameter4fARB(GL_FRAGMENT_PROGRAM_ARB, 0, 1.0, 1.0, 0.0, 0.0);
+   glProgramLocalParameter4fARB(GL_FRAGMENT_PROGRAM_ARB, 1, 0.0, 0.0, 1.0, 1.0);
+   glBegin(GL_TRIANGLES);
+   glColor3f(0,0,1);
+   glVertex3f( 0.9, -0.9, -30.0);
+   glColor3f(1,0,0);
+   glVertex3f( 0.9,  0.9, -30.0);
+   glColor3f(0,1,0);
+   glVertex3f(-0.9,  0.0, -30.0);
+   glEnd();
+
+   glFlush();
+
+   if (show_fps) {
+      ++frame_cnt;
+      glutPostRedisplay();
+   }
+}
+
+
+int main(int argc, char **argv)
+{
+   glutInit(&argc, argv);
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(250, 250);
+   glutInitDisplayMode(GLUT_RGB | GLUT_SINGLE | GLUT_DEPTH);
+   args(argc, argv);
+   glutCreateWindow(filename);
+   glutReshapeFunc(Reshape);
+   glutKeyboardFunc(Key);
+   glutDisplayFunc(Display);
+   Init();
+   if (show_fps) {
+      signal(SIGALRM, alarmhandler);
+      alarm(5);
+   }
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/fp/frc.txt b/progs/fp/frc.txt
new file mode 100644
index 0000000000..efacaa8f92
--- /dev/null
+++ b/progs/fp/frc.txt
@@ -0,0 +1,5 @@
+!!ARBfp1.0
+TEMP R0;
+MUL R0, fragment.color, {3.0}.x;
+FRC result.color, R0;
+END
diff --git a/progs/fp/kil.txt b/progs/fp/kil.txt
new file mode 100644
index 0000000000..d95deb0a9e
--- /dev/null
+++ b/progs/fp/kil.txt
@@ -0,0 +1,6 @@
+!!ARBfp1.0
+TEMP R0;
+SUB R0, fragment.color, {0.5,0,0,0};
+KIL R0;
+MOV result.color, R0;
+END
diff --git a/progs/fp/lg2.txt b/progs/fp/lg2.txt
new file mode 100644
index 0000000000..6707d7cb6d
--- /dev/null
+++ b/progs/fp/lg2.txt
@@ -0,0 +1,5 @@
+!!ARBfp1.0
+TEMP R0;
+MUL R0, fragment.color, {4.0}.x;
+LG2 result.color, R0.x;
+END
diff --git a/progs/fp/lit.txt b/progs/fp/lit.txt
new file mode 100644
index 0000000000..333c50d3cc
--- /dev/null
+++ b/progs/fp/lit.txt
@@ -0,0 +1,5 @@
+!!ARBfp1.0
+TEMP R0;
+SUB R0, {0.5}.x, fragment.color;
+LIT result.color, R0;
+END
diff --git a/progs/fp/local.txt b/progs/fp/local.txt
new file mode 100644
index 0000000000..6cb2a2f13c
--- /dev/null
+++ b/progs/fp/local.txt
@@ -0,0 +1,11 @@
+!!ARBfp1.0
+TEMP R0;
+PARAM c[4] = { { 0, 0, 0, 0 },
+               program.local[0..1],
+               { 1, 1, 1, 1 } };
+MOV R0, c[1];
+SUB R0, R0, c[0];
+ADD R0, R0, c[2];
+MUL R0, R0, c[3];
+MOV result.color, R0;
+END
diff --git a/progs/fp/lrp.txt b/progs/fp/lrp.txt
new file mode 100644
index 0000000000..56cb5f5152
--- /dev/null
+++ b/progs/fp/lrp.txt
@@ -0,0 +1,4 @@
+!!ARBfp1.0
+TEMP R0, R1;
+LRP result.color, fragment.color.z, {1,0,0,1}, {0,1,0,1};
+END
diff --git a/progs/fp/mad.txt b/progs/fp/mad.txt
new file mode 100644
index 0000000000..77ffac49cf
--- /dev/null
+++ b/progs/fp/mad.txt
@@ -0,0 +1,4 @@
+!!ARBfp1.0
+TEMP R0, R1;
+MAD result.color, fragment.color.z, {1,0,0,1}, fragment.color;
+END
diff --git a/progs/fp/max.txt b/progs/fp/max.txt
new file mode 100644
index 0000000000..0f3bffd6a5
--- /dev/null
+++ b/progs/fp/max.txt
@@ -0,0 +1,3 @@
+!!ARBfp1.0
+MAX result.color, {0.5}.x, fragment.color;
+END
diff --git a/progs/fp/min.txt b/progs/fp/min.txt
new file mode 100644
index 0000000000..06d8f911c3
--- /dev/null
+++ b/progs/fp/min.txt
@@ -0,0 +1,3 @@
+!!ARBfp1.0
+MIN result.color, {0.5}.x, fragment.color;
+END
diff --git a/progs/fp/mov.txt b/progs/fp/mov.txt
new file mode 100644
index 0000000000..4c67baec5e
--- /dev/null
+++ b/progs/fp/mov.txt
@@ -0,0 +1,3 @@
+!!ARBfp1.0
+MOV result.color, fragment.color;
+END
diff --git a/progs/fp/mul-swz.txt b/progs/fp/mul-swz.txt
new file mode 100644
index 0000000000..7ef2f58633
--- /dev/null
+++ b/progs/fp/mul-swz.txt
@@ -0,0 +1,3 @@
+!!ARBfp1.0
+MUL result.color, fragment.color.zyxw, fragment.color;
+END
diff --git a/progs/fp/mul.txt b/progs/fp/mul.txt
new file mode 100644
index 0000000000..907155de78
--- /dev/null
+++ b/progs/fp/mul.txt
@@ -0,0 +1,3 @@
+!!ARBfp1.0
+MUL result.color, fragment.color, fragment.color;
+END
diff --git a/progs/fp/negate.txt b/progs/fp/negate.txt
new file mode 100644
index 0000000000..3d00a04a58
--- /dev/null
+++ b/progs/fp/negate.txt
@@ -0,0 +1,6 @@
+!!ARBfp1.0
+# this should result in fragment color passing through unchanged
+TEMP R0;
+ADD R0, fragment.color, fragment.color;
+ADD result.color, R0, -fragment.color;
+END
diff --git a/progs/fp/position.txt b/progs/fp/position.txt
new file mode 100644
index 0000000000..27fac12a3a
--- /dev/null
+++ b/progs/fp/position.txt
@@ -0,0 +1,3 @@
+!!ARBfp1.0
+MUL result.color, fragment.position, {.005}.x;
+END
diff --git a/progs/fp/pow.txt b/progs/fp/pow.txt
new file mode 100644
index 0000000000..35c738556e
--- /dev/null
+++ b/progs/fp/pow.txt
@@ -0,0 +1,4 @@
+!!ARBfp1.0
+TEMP R0;
+POW result.color,  fragment.color.x, fragment.color.y;
+END
diff --git a/progs/fp/rcp.txt b/progs/fp/rcp.txt
new file mode 100644
index 0000000000..122161c49e
--- /dev/null
+++ b/progs/fp/rcp.txt
@@ -0,0 +1,5 @@
+!!ARBfp1.0
+TEMP R0;
+ADD R0, fragment.color.x, fragment.color.x;
+RCP result.color, R0.x;
+END
diff --git a/progs/fp/rsq.txt b/progs/fp/rsq.txt
new file mode 100644
index 0000000000..b28de4bdb6
--- /dev/null
+++ b/progs/fp/rsq.txt
@@ -0,0 +1,5 @@
+!!ARBfp1.0
+TEMP R0;
+MUL R0, fragment.color, {3.0}.x;
+RSQ result.color, R0.x;
+END
diff --git a/progs/fp/run.sh b/progs/fp/run.sh
new file mode 100755
index 0000000000..480f8108a3
--- /dev/null
+++ b/progs/fp/run.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+for i in *.txt ; do
+echo $i
+./fp-tri $i
+done
+
diff --git a/progs/fp/scs.txt b/progs/fp/scs.txt
new file mode 100644
index 0000000000..5a8c9f16e9
--- /dev/null
+++ b/progs/fp/scs.txt
@@ -0,0 +1,5 @@
+!!ARBfp1.0
+TEMP R0;
+MUL R0, fragment.color, {3.14}.x;
+SCS result.color, R0.x;
+END
diff --git a/progs/fp/sge.txt b/progs/fp/sge.txt
new file mode 100644
index 0000000000..5385692467
--- /dev/null
+++ b/progs/fp/sge.txt
@@ -0,0 +1,3 @@
+!!ARBfp1.0
+SGE result.color, {0.5}.x, fragment.color;
+END
diff --git a/progs/fp/sge2.txt b/progs/fp/sge2.txt
new file mode 100644
index 0000000000..e02a50d477
--- /dev/null
+++ b/progs/fp/sge2.txt
@@ -0,0 +1,8 @@
+!!ARBfp1.0
+TEMP R0;
+TEMP R1;
+SGE R0, fragment.color, fragment.color.yzxw;
+SGE R1, fragment.color, fragment.color.zxyw;
+MUL R0, R0, R1;
+MUL result.color, R0, fragment.color;
+END
diff --git a/progs/fp/sin.txt b/progs/fp/sin.txt
new file mode 100644
index 0000000000..4a8cdb69f9
--- /dev/null
+++ b/progs/fp/sin.txt
@@ -0,0 +1,8 @@
+!!ARBfp1.0
+TEMP R0;
+MUL R0, fragment.color, {3.14}.x;
+MOV result.color, {0.0}.x;
+SIN result.color.x, R0.x;
+SIN result.color.y, R0.y;
+SIN result.color.z, R0.z;
+END
diff --git a/progs/fp/slt.txt b/progs/fp/slt.txt
new file mode 100644
index 0000000000..a3b3ff5656
--- /dev/null
+++ b/progs/fp/slt.txt
@@ -0,0 +1,3 @@
+!!ARBfp1.0
+SLT result.color, {0.5}.x, fragment.color;
+END
diff --git a/progs/fp/sub.txt b/progs/fp/sub.txt
new file mode 100644
index 0000000000..b4e5cc0e9f
--- /dev/null
+++ b/progs/fp/sub.txt
@@ -0,0 +1,3 @@
+!!ARBfp1.0
+SUB result.color, fragment.color.yzxw, fragment.color;
+END
diff --git a/progs/fp/swz.txt b/progs/fp/swz.txt
new file mode 100644
index 0000000000..e28f112b14
--- /dev/null
+++ b/progs/fp/swz.txt
@@ -0,0 +1,3 @@
+!!ARBfp1.0
+SWZ result.color, fragment.color, 1,x,y,z;
+END
diff --git a/progs/fp/swz2.txt b/progs/fp/swz2.txt
new file mode 100644
index 0000000000..5c12b84815
--- /dev/null
+++ b/progs/fp/swz2.txt
@@ -0,0 +1,4 @@
+!!ARBfp1.0
+TEMP R0, R1;
+SWZ result.color, fragment.color, 1, 0, 0, 1;
+END
diff --git a/progs/fp/tri-abs.c b/progs/fp/tri-abs.c
deleted file mode 100644
index 44aa2cfa3a..0000000000
--- a/progs/fp/tri-abs.c
+++ /dev/null
@@ -1,107 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "TEMP R0;\n"
-      "SUB R0, {0.5}.x, fragment.color; \n"
-      "ABS result.color, R0; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-}
-
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-add.c b/progs/fp/tri-add.c
deleted file mode 100644
index b086126c86..0000000000
--- a/progs/fp/tri-add.c
+++ /dev/null
@@ -1,110 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "TEMP R0;\n"
-      "ADD R0, fragment.color, fragment.color; \n"
-      "ADD result.color, R0, R0; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-
-}
-
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-cmp.c b/progs/fp/tri-cmp.c
deleted file mode 100644
index 968b67f3d9..0000000000
--- a/progs/fp/tri-cmp.c
+++ /dev/null
@@ -1,110 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "TEMP R0;\n"
-      "SUB R0, {0.5}.x, fragment.color; \n"
-      "CMP result.color, R0, fragment.color, {0.0}.x; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-
-}
-
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-cos.c b/progs/fp/tri-cos.c
deleted file mode 100644
index 7ea2453218..0000000000
--- a/progs/fp/tri-cos.c
+++ /dev/null
@@ -1,113 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-#include "GL/gl.h"
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "TEMP R0; \n"
-      "MUL R0, fragment.color, {3.14}.x; \n"
-      "COS result.color.x, R0.x; \n"
-      "COS result.color.y, R0.y; \n"
-      "COS result.color.z, R0.z; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-
-}
-
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-dp3.c b/progs/fp/tri-dp3.c
deleted file mode 100644
index 0e18de2dc4..0000000000
--- a/progs/fp/tri-dp3.c
+++ /dev/null
@@ -1,109 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "TEMP R0;\n"
-      "DP3 result.color, fragment.color, fragment.color; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-
-}
-
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-dp4.c b/progs/fp/tri-dp4.c
deleted file mode 100644
index 400bbf4da2..0000000000
--- a/progs/fp/tri-dp4.c
+++ /dev/null
@@ -1,109 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "TEMP R0;\n"
-      "DP4 result.color, fragment.color.xxxx, fragment.color; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-
-}
-
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-dph.c b/progs/fp/tri-dph.c
deleted file mode 100644
index 958073c413..0000000000
--- a/progs/fp/tri-dph.c
+++ /dev/null
@@ -1,109 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "TEMP R0;\n"
-      "DPH result.color, fragment.color, fragment.color.xyzx; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-
-}
-
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-dst.c b/progs/fp/tri-dst.c
deleted file mode 100644
index 3d85e85643..0000000000
--- a/progs/fp/tri-dst.c
+++ /dev/null
@@ -1,109 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-#include "GL/gl.h"
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "DST result.color, fragment.color, fragment.color; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-
-}
-
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-ex2.c b/progs/fp/tri-ex2.c
deleted file mode 100644
index f09b1d7846..0000000000
--- a/progs/fp/tri-ex2.c
+++ /dev/null
@@ -1,110 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "TEMP R0;\n"
-      "EX2 R0, fragment.color.x; \n"
-      "SUB result.color, R0, {1.0}.x; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-
-}
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-flr.c b/progs/fp/tri-flr.c
deleted file mode 100644
index 059f6b6754..0000000000
--- a/progs/fp/tri-flr.c
+++ /dev/null
@@ -1,110 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "TEMP R0;\n"
-      "ADD R0, fragment.color, {0.5}.x; \n"
-      "FLR result.color,  R0; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-
-}
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-fp.c b/progs/fp/tri-fp.c
deleted file mode 100644
index 4148a8def3..0000000000
--- a/progs/fp/tri-fp.c
+++ /dev/null
@@ -1,109 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-#include "GL/gl.h"
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "SLT result.color, {0.5}.x, fragment.color; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-
-}
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-frc.c b/progs/fp/tri-frc.c
deleted file mode 100644
index 8d60c9dc20..0000000000
--- a/progs/fp/tri-frc.c
+++ /dev/null
@@ -1,111 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-#include "GL/gl.h"
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "TEMP R0; \n"
-      "MUL R0, fragment.color, {3.0}.x; \n"
-      "FRC result.color, R0; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-
-}
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-kil.c b/progs/fp/tri-kil.c
deleted file mode 100644
index 47dbd04964..0000000000
--- a/progs/fp/tri-kil.c
+++ /dev/null
@@ -1,111 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "TEMP R0;\n"
-      "SUB R0, fragment.color, {0.5,0,0,0}; \n"
-      "KIL R0;"
-      "MOV result.color, R0;"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-
-}
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-lg2.c b/progs/fp/tri-lg2.c
deleted file mode 100644
index c7eec46974..0000000000
--- a/progs/fp/tri-lg2.c
+++ /dev/null
@@ -1,110 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "TEMP R0;\n"
-      "MUL R0, fragment.color, {4.0}.x; \n"
-      "LG2 result.color, R0.x; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-
-}
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-lit.c b/progs/fp/tri-lit.c
deleted file mode 100644
index 21e3b6f216..0000000000
--- a/progs/fp/tri-lit.c
+++ /dev/null
@@ -1,111 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-#include "GL/gl.h"
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "TEMP R0;\n"
-      "SUB R0, {0.5}.x, fragment.color; \n"
-      "LIT result.color, R0; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-
-}
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-lrp.c b/progs/fp/tri-lrp.c
deleted file mode 100644
index a5659eed60..0000000000
--- a/progs/fp/tri-lrp.c
+++ /dev/null
@@ -1,109 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "TEMP R0, R1;\n"
-      "LRP result.color, fragment.color.z, {1,0,0,1}, {0,1,0,1}; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-
-}
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-mad.c b/progs/fp/tri-mad.c
deleted file mode 100644
index b46d139fb3..0000000000
--- a/progs/fp/tri-mad.c
+++ /dev/null
@@ -1,109 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "TEMP R0, R1;\n"
-      "MAD result.color, fragment.color.z, {1,0,0,1}, fragment.color; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-
-}
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-max.c b/progs/fp/tri-max.c
deleted file mode 100644
index 481a067916..0000000000
--- a/progs/fp/tri-max.c
+++ /dev/null
@@ -1,109 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-#include "GL/gl.h"
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "MAX result.color, {0.5}.x, fragment.color; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-
-}
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-min.c b/progs/fp/tri-min.c
deleted file mode 100644
index 7bb722f85f..0000000000
--- a/progs/fp/tri-min.c
+++ /dev/null
@@ -1,109 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-#include "GL/gl.h"
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "MIN result.color, {0.5}.x, fragment.color; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-
-}
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-mov.c b/progs/fp/tri-mov.c
deleted file mode 100644
index 40b5b66f5c..0000000000
--- a/progs/fp/tri-mov.c
+++ /dev/null
@@ -1,102 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-#include "GL/gl.h"
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "MOV result.color, fragment.color; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-}
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB | GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-mul.c b/progs/fp/tri-mul.c
deleted file mode 100644
index 61dd3e0458..0000000000
--- a/progs/fp/tri-mul.c
+++ /dev/null
@@ -1,109 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-#include "GL/gl.h"
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "MUL result.color, fragment.color, fragment.color; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-
-}
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-position.c b/progs/fp/tri-position.c
deleted file mode 100644
index 18e8182a68..0000000000
--- a/progs/fp/tri-position.c
+++ /dev/null
@@ -1,109 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-#include "GL/gl.h"
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "MUL result.color, fragment.position, {.005}.x; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-
-}
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-pow.c b/progs/fp/tri-pow.c
deleted file mode 100644
index ef91e43e99..0000000000
--- a/progs/fp/tri-pow.c
+++ /dev/null
@@ -1,109 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "TEMP R0;\n"
-      "POW result.color,  fragment.color.x, fragment.color.y; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-
-}
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-rcp.c b/progs/fp/tri-rcp.c
deleted file mode 100644
index e2a2704934..0000000000
--- a/progs/fp/tri-rcp.c
+++ /dev/null
@@ -1,110 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "TEMP R0;\n"
-      "ADD R0, fragment.color.x, fragment.color.x; \n"
-      "RCP result.color, R0.x; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-
-}
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-rsq.c b/progs/fp/tri-rsq.c
deleted file mode 100644
index c5b2c1b32e..0000000000
--- a/progs/fp/tri-rsq.c
+++ /dev/null
@@ -1,110 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "TEMP R0;\n"
-      "MUL R0, fragment.color, {3.0}.x; \n"
-      "RSQ result.color, R0.x; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-
-}
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-scs.c b/progs/fp/tri-scs.c
deleted file mode 100644
index ce7c0062c3..0000000000
--- a/progs/fp/tri-scs.c
+++ /dev/null
@@ -1,111 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-#include "GL/gl.h"
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "TEMP R0; \n"
-      "MUL R0, fragment.color, {3.14}.x; \n"
-      "SCS result.color, R0.x; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-
-}
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-sge.c b/progs/fp/tri-sge.c
deleted file mode 100644
index 6a360ca932..0000000000
--- a/progs/fp/tri-sge.c
+++ /dev/null
@@ -1,109 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-#include "GL/gl.h"
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "SGE result.color, {0.5}.x, fragment.color; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-
-}
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-sge2.c b/progs/fp/tri-sge2.c
deleted file mode 100644
index c4330098ed..0000000000
--- a/progs/fp/tri-sge2.c
+++ /dev/null
@@ -1,114 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-#include "GL/gl.h"
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "TEMP R0;\n"
-      "TEMP R1;\n"
-      "SGE R0, fragment.color, fragment.color.yzxw; \n"
-      "SGE R1, fragment.color, fragment.color.zxyw; \n"
-      "MUL R0, R0, R1; \n"
-      "MUL result.color, R0, fragment.color; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-
-}
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-sin.c b/progs/fp/tri-sin.c
deleted file mode 100644
index 772903e4b2..0000000000
--- a/progs/fp/tri-sin.c
+++ /dev/null
@@ -1,114 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-#include "GL/gl.h"
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "TEMP R0; \n"
-      "MUL R0, fragment.color, {3.14}.x; \n"
-      "MOV result.color, {0.0}.x; \n"
-      "SIN result.color.x, R0.x; \n"
-      "SIN result.color.y, R0.y; \n"
-      "SIN result.color.z, R0.z; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-
-}
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-slt.c b/progs/fp/tri-slt.c
deleted file mode 100644
index 4148a8def3..0000000000
--- a/progs/fp/tri-slt.c
+++ /dev/null
@@ -1,109 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-#include "GL/gl.h"
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "SLT result.color, {0.5}.x, fragment.color; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-
-}
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-sub.c b/progs/fp/tri-sub.c
deleted file mode 100644
index 6faa414550..0000000000
--- a/progs/fp/tri-sub.c
+++ /dev/null
@@ -1,109 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-#include "GL/gl.h"
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "SUB result.color, fragment.color.yzxw, fragment.color; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-
-}
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-swz.c b/progs/fp/tri-swz.c
deleted file mode 100644
index 5f34f7a322..0000000000
--- a/progs/fp/tri-swz.c
+++ /dev/null
@@ -1,109 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-#include "GL/gl.h"
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "SWZ result.color, fragment.color, 1,x,y,z; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-
-}
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-swz2.c b/progs/fp/tri-swz2.c
deleted file mode 100644
index fd76b58f53..0000000000
--- a/progs/fp/tri-swz2.c
+++ /dev/null
@@ -1,109 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "TEMP R0, R1;\n"
-      "SWZ result.color, fragment.color, 1, 0, 0, 1; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-
-}
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-xpd.c b/progs/fp/tri-xpd.c
deleted file mode 100644
index 9aca46b2fa..0000000000
--- a/progs/fp/tri-xpd.c
+++ /dev/null
@@ -1,108 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glut.h>
-#include "GL/gl.h"
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "XPD result.color, fragment.color, {2,2,2,0}; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!glutExtensionSupported("GL_ARB_fragment_program")) {
-      printf("Error: GL_ARB_fragment_program not supported!\n");
-      exit(1);
-   }
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Setup the fragment program */
-   glGenProgramsARB(1, &modulateProg);
-   glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, modulateProg);
-   glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-                        strlen(modulate2D), (const GLubyte *)modulate2D);
-
-   printf("glGetError = 0x%x\n", (int) glGetError());
-   printf("glError(GL_PROGRAM_ERROR_STRING_ARB) = %s\n",
-          (char *) glGetString(GL_PROGRAM_ERROR_STRING_ARB));
-
-   glEnable(GL_FRAGMENT_PROGRAM_ARB);
-
-   glClearColor(.3, .3, .3, 0);
-}
-
-static void Reshape(int width, int height)
-{
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
-}
-
-static void Draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT); 
-
-   glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
-   glEnd();
-
-   glFlush();
-
-
-}
-
-
-int main(int argc, char **argv)
-{
-    GLenum type;
-
-    glutInit(&argc, argv);
-
-
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
-
-    type = GLUT_RGB;
-    type |= GLUT_SINGLE;
-    glutInitDisplayMode(type);
-
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
-	exit(1);
-    }
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/xpd.txt b/progs/fp/xpd.txt
new file mode 100644
index 0000000000..d8dc08dcf7
--- /dev/null
+++ b/progs/fp/xpd.txt
@@ -0,0 +1,3 @@
+!!ARBfp1.0
+XPD result.color, fragment.color, {2,2,2,0};
+END
diff --git a/progs/glsl/.gitignore b/progs/glsl/.gitignore
index 1e0aecebef..978e31c6cc 100644
--- a/progs/glsl/.gitignore
+++ b/progs/glsl/.gitignore
@@ -1,11 +1,13 @@
 bitmap
 brick
 bump
+convolutions
 deriv
 extfuncs.h
 mandelbrot
 multitex
 noise
+pointcoord
 points
 readtex.c
 readtex.h
diff --git a/progs/glsl/CH11-bumpmap.frag b/progs/glsl/CH11-bumpmap.frag
index 063576f5a3..e12c5d374c 100644
--- a/progs/glsl/CH11-bumpmap.frag
+++ b/progs/glsl/CH11-bumpmap.frag
@@ -24,7 +24,7 @@ void main()
 
     float d, f;
     d = p.x * p.x + p.y * p.y;
-    f = 1.0 / sqrt(d + 1.0);
+    f = inversesqrt(d + 1.0);
 
     if (d >= BumpSize)
         { p = vec2(0.0); f = 1.0; }
diff --git a/progs/glsl/Makefile b/progs/glsl/Makefile
index 41d5849919..0874cfc59e 100644
--- a/progs/glsl/Makefile
+++ b/progs/glsl/Makefile
@@ -15,6 +15,7 @@ PROGS = \
 	bump \
 	convolutions \
 	deriv \
+	identity \
 	mandelbrot \
 	multitex \
 	noise \
@@ -24,7 +25,8 @@ PROGS = \
 	texdemo1 \
 	toyball \
 	twoside \
-	trirast
+	trirast \
+	texdemo1 
 
 
 ##### RULES #####
@@ -35,7 +37,7 @@ PROGS = \
 
 # make executable from .c file:
 .c: $(LIB_DEP)
-	$(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) $< $(LIBS) -o $@
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) $< $(LIBS) -o $@
 
 
 ##### TARGETS #####
@@ -57,7 +59,7 @@ readtex.h: $(TOP)/progs/util/readtex.h
 	cp $< .
 
 readtex.o: readtex.c readtex.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) readtex.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) readtex.c
 
 
 shaderutil.c: $(TOP)/progs/util/shaderutil.c
@@ -67,78 +69,84 @@ shaderutil.h: $(TOP)/progs/util/shaderutil.h
 	cp $< .
 
 shaderutil.o: shaderutil.c shaderutil.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) shaderutil.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) shaderutil.c
 
 
 
 bitmap.o: bitmap.c extfuncs.h shaderutil.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) bitmap.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) bitmap.c
 
 bitmap: bitmap.o shaderutil.o
-	$(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) bitmap.o shaderutil.o $(LIBS) -o $@
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) bitmap.o shaderutil.o $(LIBS) -o $@
 
 
 brick.o: brick.c extfuncs.h shaderutil.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) brick.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) brick.c
 
 brick: brick.o shaderutil.o
-	$(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) brick.o shaderutil.o $(LIBS) -o $@
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) brick.o shaderutil.o $(LIBS) -o $@
 
 
 bump.o: bump.c extfuncs.h shaderutil.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) bump.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) bump.c
 
 bump: bump.o shaderutil.o
-	$(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) bump.o shaderutil.o $(LIBS) -o $@
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) bump.o shaderutil.o $(LIBS) -o $@
 
 
 convolutions.o: convolutions.c readtex.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) convolutions.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) convolutions.c
 
 convolutions: convolutions.o readtex.o
-	$(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) convolutions.o readtex.o $(LIBS) -o $@
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) convolutions.o readtex.o $(LIBS) -o $@
 
 
 deriv.o: deriv.c extfuncs.h shaderutil.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) deriv.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) deriv.c
 
 deriv: deriv.o shaderutil.o
-	$(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) deriv.o shaderutil.o $(LIBS) -o $@
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) deriv.o shaderutil.o $(LIBS) -o $@
+
+
+identity.o: identity.c extfuncs.h shaderutil.h
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) identity.c
+
+identity: identity.o shaderutil.o
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) identity.o shaderutil.o $(LIBS) -o $@
 
 
 mandelbrot.o: mandelbrot.c extfuncs.h shaderutil.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) mandelbrot.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) mandelbrot.c
 
 mandelbrot: mandelbrot.o shaderutil.o
-	$(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) mandelbrot.o shaderutil.o $(LIBS) -o $@
-
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) mandelbrot.o shaderutil.o $(LIBS) -o $@
 
 multitex.o: multitex.c extfuncs.h readtex.h shaderutil.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) multitex.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) multitex.c
 
 multitex: multitex.o readtex.o shaderutil.o
-	$(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) multitex.o readtex.o shaderutil.o $(LIBS) -o $@
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) multitex.o readtex.o shaderutil.o $(LIBS) -o $@
 
 
 noise.o: noise.c extfuncs.h shaderutil.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) noise.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) noise.c
 
 noise: noise.o shaderutil.o
-	$(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) noise.o shaderutil.o $(LIBS) -o $@
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) noise.o shaderutil.o $(LIBS) -o $@
 
 
 points.o: points.c extfuncs.h shaderutil.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) points.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) points.c
 
 points: points.o shaderutil.o
-	$(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) points.o shaderutil.o $(LIBS) -o $@
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) points.o shaderutil.o $(LIBS) -o $@
 
 
 pointcoord.o: pointcoord.c readtex.h extfuncs.h shaderutil.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) pointcoord.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) pointcoord.c
 
 pointcoord: pointcoord.o readtex.o shaderutil.o
-	$(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) pointcoord.o readtex.o shaderutil.o $(LIBS) -o $@
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) pointcoord.o readtex.o shaderutil.o $(LIBS) -o $@
 
 
 skinning.o: skinning.c readtex.h extfuncs.h shaderutil.h
@@ -149,33 +157,31 @@ skinning: skinning.o readtex.o shaderutil.o
 
 
 texdemo1.o: texdemo1.c readtex.h extfuncs.h shaderutil.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) texdemo1.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) texdemo1.c
 
 texdemo1: texdemo1.o readtex.o shaderutil.o
-	$(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) texdemo1.o readtex.o shaderutil.o $(LIBS) -o $@
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) texdemo1.o readtex.o shaderutil.o $(LIBS) -o $@
 
 
 toyball.o: toyball.c extfuncs.h shaderutil.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) toyball.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) toyball.c
 
 toyball: toyball.o shaderutil.o
-	$(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) toyball.o shaderutil.o $(LIBS) -o $@
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) toyball.o shaderutil.o $(LIBS) -o $@
 
 
 twoside.o: twoside.c extfuncs.h shaderutil.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) twoside.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) twoside.c
 
 twoside: twoside.o shaderutil.o
-	$(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) twoside.o shaderutil.o $(LIBS) -o $@
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) twoside.o shaderutil.o $(LIBS) -o $@
 
 
 trirast.o: trirast.c extfuncs.h shaderutil.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) trirast.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) trirast.c
 
 trirast: trirast.o shaderutil.o
-	$(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) trirast.o shaderutil.o $(LIBS) -o $@
-
-
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) trirast.o shaderutil.o $(LIBS) -o $@
 
 
 
diff --git a/progs/glsl/convolutions.c b/progs/glsl/convolutions.c
index c5caa8ffed..ac71c68235 100644
--- a/progs/glsl/convolutions.c
+++ b/progs/glsl/convolutions.c
@@ -61,15 +61,15 @@ static void loadAndCompileShader(GLuint shader, const char *text)
 {
    GLint stat;
 
-   glShaderSourceARB(shader, 1, (const GLchar **) &text, NULL);
+   glShaderSource(shader, 1, (const GLchar **) &text, NULL);
 
-   glCompileShaderARB(shader);
+   glCompileShader(shader);
 
-   glGetObjectParameterivARB(shader, GL_COMPILE_STATUS, &stat);
+   glGetShaderiv(shader, GL_COMPILE_STATUS, &stat);
    if (!stat) {
       GLchar log[1000];
       GLsizei len;
-      glGetInfoLogARB(shader, 1000, &len, log);
+      glGetShaderInfoLog(shader, 1000, &len, log);
       fprintf(stderr, "Problem compiling shader: %s\n", log);
       exit(1);
    }
@@ -105,11 +105,11 @@ static void
 checkLink(GLuint prog)
 {
    GLint stat;
-   glGetObjectParameterivARB(prog, GL_LINK_STATUS, &stat);
+   glGetProgramiv(prog, GL_LINK_STATUS, &stat);
    if (!stat) {
       GLchar log[1000];
       GLsizei len;
-      glGetInfoLogARB(prog, 1000, &len, log);
+      glGetProgramInfoLog(prog, 1000, &len, log);
       fprintf(stderr, "Linker error:\n%s\n", log);
    }
    else {
@@ -200,12 +200,12 @@ static void setupConvolution()
    }
 
    loc = glGetUniformLocationARB(program, "KernelValue");
-   glUniform4fvARB(loc, 9, vecKer);
+   glUniform4fv(loc, 9, vecKer);
    loc = glGetUniformLocationARB(program, "ScaleFactor");
-   glUniform4fARB(loc, scale, scale, scale, scale);
+   glUniform4f(loc, scale, scale, scale, scale);
    loc = glGetUniformLocationARB(program, "BaseColor");
-   glUniform4fARB(loc, baseColor[0], baseColor[1],
-                  baseColor[2], baseColor[3]);
+   glUniform4f(loc, baseColor[0], baseColor[1],
+               baseColor[2], baseColor[3]);
 
    free(vecKer);
    free(kernel);
@@ -229,10 +229,10 @@ static void createProgram(const char *vertProgFile,
       glAttachShader(program, fragShader);
    }
 
-   glLinkProgramARB(program);
+   glLinkProgram(program);
    checkLink(program);
 
-   glUseProgramObjectARB(program);
+   glUseProgram(program);
 
    /*
    assert(glIsProgram(program));
@@ -256,7 +256,7 @@ static void createProgram(const char *vertProgFile,
                           0.0                , -1.0 / texture.height,
                           -1.0 / texture.width, -1.0 / texture.height };
       GLuint offsetLoc = glGetUniformLocationARB(program, "Offset");
-      glUniform2fvARB(offsetLoc, 9, offsets);
+      glUniform2fv(offsetLoc, 9, offsets);
    }
    setupConvolution();
 
@@ -331,6 +331,7 @@ static void init()
       fprintf(stderr, "Sorry, this program requires GL_ARB_shader_objects, GL_ARB_vertex_shader, and GL_ARB_fragment_shader\n");
       exit(1);
    }
+
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
diff --git a/progs/glsl/identity.c b/progs/glsl/identity.c
new file mode 100644
index 0000000000..37579eb346
--- /dev/null
+++ b/progs/glsl/identity.c
@@ -0,0 +1,208 @@
+/**
+ * Test very basic glsl functionality (identity vertex and fragment shaders).
+ * Brian Paul & Stephane Marchesin
+ */
+
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/gl.h>
+#include <GL/glut.h>
+#include <GL/glext.h>
+#include "extfuncs.h"
+#include "shaderutil.h"
+
+
+static char *FragProgFile = NULL;
+static char *VertProgFile = NULL;
+static GLuint fragShader;
+static GLuint vertShader;
+static GLuint program;
+static GLint win = 0;
+static GLboolean anim = GL_FALSE;
+static GLfloat xRot = 0.0f, yRot = 0.0f;
+static int w,h;
+
+
+static void
+Redisplay(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   glBegin(GL_TRIANGLES);
+   glColor3f(.8,0,0); 
+   glVertex3f(-0.9, -0.9, 0.0);
+   glColor3f(0,.9,0); 
+   glVertex3f( 0.9, -0.9, 0.0);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.0,  0.9, 0.0);
+   glEnd();
+
+   glutSwapBuffers();
+}
+
+
+static void
+Idle(void)
+{
+   yRot = glutGet(GLUT_ELAPSED_TIME) * 0.1;
+   glutPostRedisplay();
+}
+
+
+static void
+Reshape(int width, int height)
+{
+   glViewport(0, 0, width, height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   w = width;
+   h = height;
+}
+
+
+static void
+CleanUp(void)
+{
+   glDeleteShader_func(fragShader);
+   glDeleteShader_func(vertShader);
+   glDeleteProgram_func(program);
+   glutDestroyWindow(win);
+}
+
+
+static void
+Key(unsigned char key, int x, int y)
+{
+  (void) x;
+  (void) y;
+
+   switch(key) {
+   case ' ':
+   case 'a':
+      anim = !anim;
+      if (anim)
+         glutIdleFunc(Idle);
+      else
+         glutIdleFunc(NULL);
+      break;
+   case 27:
+      CleanUp();
+      exit(0);
+      break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+SpecialKey(int key, int x, int y)
+{
+   const GLfloat step = 3.0f;
+
+  (void) x;
+  (void) y;
+
+   switch(key) {
+   case GLUT_KEY_UP:
+      xRot -= step;
+      break;
+   case GLUT_KEY_DOWN:
+      xRot += step;
+      break;
+   case GLUT_KEY_LEFT:
+      yRot -= step;
+      break;
+   case GLUT_KEY_RIGHT:
+      yRot += step;
+      break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+Init(void)
+{
+   static const char *fragShaderText =
+      "void main() {\n"
+      "   gl_FragColor = vec4(1.0,0.0,0.0,1.0);\n"
+      "}\n";
+   static const char *vertShaderText =
+      "void main() {\n"
+      "   gl_Position = gl_Vertex;\n"
+      "}\n";
+
+   if (!ShadersSupported())
+      exit(1);
+
+   GetExtensionFuncs();
+
+   if (FragProgFile)
+      fragShader = CompileShaderFile(GL_FRAGMENT_SHADER, FragProgFile);
+   else
+      fragShader = CompileShaderText(GL_FRAGMENT_SHADER, fragShaderText);
+
+   if (VertProgFile)
+      vertShader = CompileShaderFile(GL_VERTEX_SHADER, VertProgFile);
+   else
+      vertShader = CompileShaderText(GL_VERTEX_SHADER, vertShaderText);
+
+   program = LinkShaders(vertShader, fragShader);
+
+   glUseProgram_func(program);
+
+   /*assert(glGetError() == 0);*/
+
+   glClearColor(0.3f, 0.3f, 0.3f, 0.0f);
+   glEnable(GL_DEPTH_TEST);
+
+   printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
+
+   assert(glIsProgram_func(program));
+   assert(glIsShader_func(fragShader));
+   assert(glIsShader_func(vertShader));
+
+   glColor3f(1, 0, 0);
+}
+
+
+static void
+ParseOptions(int argc, char *argv[])
+{
+   int i;
+   for (i = 1; i < argc; i++) {
+      if (strcmp(argv[i], "-fs") == 0) {
+         FragProgFile = argv[i+1];
+      }
+      else if (strcmp(argv[i], "-vs") == 0) {
+         VertProgFile = argv[i+1];
+      }
+   }
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   glutInit(&argc, argv);
+   glutInitWindowPosition( 0, 0);
+   glutInitWindowSize(200, 200);
+   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
+   win = glutCreateWindow(argv[0]);
+   glutReshapeFunc(Reshape);
+   glutKeyboardFunc(Key);
+   glutSpecialFunc(SpecialKey);
+   glutDisplayFunc(Redisplay);
+   if (anim)
+      glutIdleFunc(Idle);
+   ParseOptions(argc, argv);
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/glsl/texdemo1.c b/progs/glsl/texdemo1.c
index 41010746ee..96ddca1f32 100644
--- a/progs/glsl/texdemo1.c
+++ b/progs/glsl/texdemo1.c
@@ -49,6 +49,7 @@ static GLfloat TexXrot = 0, TexYrot = 0;
 static GLfloat Xrot = 20.0, Yrot = 20.0, Zrot = 0.0;
 static GLfloat EyeDist = 10;
 static GLboolean Anim = GL_TRUE;
+static int win = 0;
 
 
 static struct uniform_info ReflectUniforms[] = {
@@ -159,6 +160,7 @@ key(unsigned char k, int x, int y)
          EyeDist = 90;
       break;
    case 27:
+      glutDestroyWindow(win);
       exit(0);
    }
    glutPostRedisplay();
@@ -423,7 +425,7 @@ main(int argc, char *argv[])
    glutInit(&argc, argv);
    glutInitWindowSize(500, 400);
    glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
-   glutCreateWindow(Demo);
+   win = glutCreateWindow(Demo);
    glutReshapeFunc(Reshape);
    glutKeyboardFunc(key);
    glutSpecialFunc(specialkey);
diff --git a/progs/miniglx/Makefile b/progs/miniglx/Makefile
index d5258b0a96..e6f5fa558e 100644
--- a/progs/miniglx/Makefile
+++ b/progs/miniglx/Makefile
@@ -48,6 +48,7 @@ clean:
 
 
 depend: $(SOURCES)
+	rm -f depend
 	touch depend
 	$(MKDEP) $(MKDEP_OPTIONS) $(INCLUDES) $(SOURCES) > /dev/null 
 
diff --git a/progs/redbook/Makefile b/progs/redbook/Makefile
index 7ba676c265..0ba5fbbb98 100644
--- a/progs/redbook/Makefile
+++ b/progs/redbook/Makefile
@@ -26,7 +26,7 @@ PROGS = aaindex aapoly aargb accanti accpersp alpha alpha3D anti \
 .SUFFIXES: .c
 
 .c: $(LIB_DEP)
-	$(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) $< $(LIBS) -o $@
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) $< $(LIBS) -o $@
 
 
 
diff --git a/progs/redbook/Windows/redbook.dsw b/progs/redbook/Windows/redbook.dsw
index 71ba7e89e3..a739af4a4e 100644
--- a/progs/redbook/Windows/redbook.dsw
+++ b/progs/redbook/Windows/redbook.dsw
@@ -1,29 +1,29 @@
-Microsoft Developer Studio Workspace File, Format Version 6.00
-# WARNING: DO NOT EDIT OR DELETE THIS WORKSPACE FILE!
-
-###############################################################################
-
-Project: "teapots"=".\teapots.dsp" - Package Owner=<4>
-
-Package=<5>
-{{{
-}}}
-
-Package=<4>
-{{{
-}}}
-
-###############################################################################
-
-Global:
-
-Package=<5>
-{{{
-}}}
-
-Package=<3>
-{{{
-}}}
-
-###############################################################################
-
+Microsoft Developer Studio Workspace File, Format Version 6.00
+# WARNING: DO NOT EDIT OR DELETE THIS WORKSPACE FILE!
+
+###############################################################################
+
+Project: "teapots"=".\teapots.dsp" - Package Owner=<4>
+
+Package=<5>
+{{{
+}}}
+
+Package=<4>
+{{{
+}}}
+
+###############################################################################
+
+Global:
+
+Package=<5>
+{{{
+}}}
+
+Package=<3>
+{{{
+}}}
+
+###############################################################################
+
diff --git a/progs/redbook/Windows/teapots.dsp b/progs/redbook/Windows/teapots.dsp
index 4d39865810..b74ed08925 100644
--- a/progs/redbook/Windows/teapots.dsp
+++ b/progs/redbook/Windows/teapots.dsp
@@ -1,112 +1,112 @@
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-
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-
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-!MESSAGE This is not a valid makefile. To build this project using NMAKE,
-!MESSAGE use the Export Makefile command and run
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-!MESSAGE 
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-!MESSAGE 
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-!MESSAGE 
-!MESSAGE "teapots - Win32 Release" (based on "Win32 (x86) Console Application")
-!MESSAGE "teapots - Win32 Debug" (based on "Win32 (x86) Console Application")
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+# Microsoft Developer Studio Generated Build File, Format Version 6.00
+# ** DO NOT EDIT **
+
+# TARGTYPE "Win32 (x86) Console Application" 0x0103
+
+CFG=teapots - Win32 Debug
+!MESSAGE This is not a valid makefile. To build this project using NMAKE,
+!MESSAGE use the Export Makefile command and run
+!MESSAGE 
+!MESSAGE NMAKE /f "teapots.mak".
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+!MESSAGE You can specify a configuration when running NMAKE
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+# ADD BSC32 /nologo
+LINK32=link.exe
+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib ../../../lib/GLUT32.LIB ../../../lib/GLU32.LIB ../../../lib/OPENGL32.LIB /nologo /subsystem:console /debug /machine:I386 /out:"../teapots.exe" /pdbtype:sept
+# Begin Special Build Tool
+SOURCE="$(InputPath)"
+PostBuild_Desc=Copy DLLs
+PostBuild_Cmds=copy ..\..\..\lib\*.dll ..
+# End Special Build Tool
+
+!ENDIF 
+
+# Begin Target
+
+# Name "teapots - Win32 Release"
+# Name "teapots - Win32 Debug"
+# Begin Group "Source Files"
+
+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"
+# Begin Source File
+
+SOURCE=..\teapots.c
+# End Source File
+# End Group
+# Begin Group "Header Files"
+
+# PROP Default_Filter "h;hpp;hxx;hm;inl"
+# End Group
+# Begin Group "Resource Files"
+
+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"
+# End Group
+# End Target
+# End Project
diff --git a/progs/samples/Makefile b/progs/samples/Makefile
index 6509a559a5..63dca07d2e 100644
--- a/progs/samples/Makefile
+++ b/progs/samples/Makefile
@@ -20,7 +20,7 @@ PROGS = accum bitmap1 bitmap2 blendeq blendxor copy cursor depth eval fog \
 .SUFFIXES: .c
 
 .c: $(LIB_DEP)
-	$(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) $< $(LIBS) -o $@
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) $< $(LIBS) -o $@
 
 
 ##### TARGETS #####
@@ -29,10 +29,10 @@ default: $(PROGS)
 
 
 sphere: sphere.o readtex.o
-	$(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) sphere.o readtex.o $(LIBS) -o $@
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) sphere.o readtex.o $(LIBS) -o $@
 
 sphere.o: sphere.c readtex.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) sphere.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) sphere.c
 
 readtex.c: $(TOP)/progs/util/readtex.c
 	cp $< .
@@ -41,7 +41,7 @@ readtex.h: $(TOP)/progs/util/readtex.h
 	cp $< . 
 
 readtex.o: readtex.c readtex.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) $< -o $@
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) $< -o $@
 
 
 clean:
diff --git a/progs/samples/Makefile.DJ b/progs/samples/Makefile.DJ
deleted file mode 100644
index cda4e05941..0000000000
--- a/progs/samples/Makefile.DJ
+++ /dev/null
@@ -1,85 +0,0 @@
-# Mesa 3-D graphics library
-# Version:  4.0
-# 
-# Copyright (C) 1999  Brian Paul   All Rights Reserved.
-# 
-# Permission is hereby granted, free of charge, to any person obtaining a
-# copy of this software and associated documentation files (the "Software"),
-# to deal in the Software without restriction, including without limitation
-# the rights to use, copy, modify, merge, publish, distribute, sublicense,
-# and/or sell copies of the Software, and to permit persons to whom the
-# Software is furnished to do so, subject to the following conditions:
-# 
-# The above copyright notice and this permission notice shall be included
-# in all copies or substantial portions of the Software.
-# 
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
-# BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
-# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-# DOS/DJGPP samples makefile v1.6 for Mesa
-#
-#  Copyright (C) 2002 - Daniel Borca
-#  Email : dborca@users.sourceforge.net
-#  Web   : http://www.geocities.com/dborca
-
-
-#
-#  Available options:
-#
-#    Environment variables:
-#	GLIDE		path to Glide3 SDK; used with FX.
-#			default = $(TOP)/glide3
-#	FX=1		build for 3dfx Glide3. Note that this disables
-#			compilation of most DMesa code and requires fxMesa.
-#			As a consequence, you'll need the DJGPP Glide3
-#			library to build any application.
-#			default = no
-#	DXE=1		use DXE modules (see README.DJ for details).
-#			default = no
-#
-#    Targets:
-#	<file.exe>	build a specific file
-#
-
-
-
-.PHONY: all
-.SUFFIXES: .c .o .exe
-.SECONDARY: ../util/readtex.o ../util/showbuffer.o
-
-TOP = ../..
-GLIDE ?= $(TOP)/glide3
-
-CC = gcc
-CFLAGS = -Wall -W -pedantic
-CFLAGS += -O2 -ffast-math
-CFLAGS += -I$(TOP)/include -I../util
-CFLAGS += -DGLUT_IMPORT_LIB
-ifeq ($(FX),1)
-CFLAGS += -DFX
-endif
-
-LD = gxx
-LDFLAGS = -s -L$(TOP)/lib
-
-ifeq ($(DXE),1)
-LDLIBS += -liglut -liglu -ligl
-else
-LDLIBS = -lglut -lglu -lgl
-ifeq ($(FX),1)
-LDFLAGS += -L$(GLIDE)/lib
-LDLIBS += -lgld3x
-endif
-endif
-
-.c.o:
-	$(CC) -o $@ $(CFLAGS) -c $<
-%.exe: ../util/readtex.o ../util/showbuffer.o %.o
-	$(LD) -o $@ $(LDFLAGS) $^ $(LDLIBS)
-
-all:
-	$(error Must specify <filename.exe> to build)
diff --git a/progs/samples/prim.c b/progs/samples/prim.c
index 388e0153b4..f47c60faef 100644
--- a/progs/samples/prim.c
+++ b/progs/samples/prim.c
@@ -466,7 +466,7 @@ static void Draw(void)
     } else {
 	glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
     }
-
+#if 01
     Viewport(0, 0); Point();
     Viewport(0, 1); Lines();
     Viewport(0, 2); LineStrip();
@@ -479,10 +479,12 @@ static void Draw(void)
     Viewport(1, 3); TriangleStrip();
 
     Viewport(2, 0); Rect();
+#endif
     Viewport(2, 1); PolygonFunc();
+#if 01
     Viewport(2, 2); Quads();
     Viewport(2, 3); QuadStrip();
-
+#endif
     glFlush();
 
     if (doubleBuffer) {
diff --git a/progs/slang/windows/vc60/cltest.dsp b/progs/slang/windows/vc60/cltest.dsp
index 4c0c2e26b4..b420397317 100644
--- a/progs/slang/windows/vc60/cltest.dsp
+++ b/progs/slang/windows/vc60/cltest.dsp
@@ -1,94 +1,94 @@
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+!MESSAGE This is not a valid makefile. To build this project using NMAKE,
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+!MESSAGE 
+!MESSAGE Possible choices for configuration are:
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+
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diff --git a/progs/slang/windows/vc60/framework.dsp b/progs/slang/windows/vc60/framework.dsp
index 76ed7d388c..f8ca5d169d 100644
--- a/progs/slang/windows/vc60/framework.dsp
+++ b/progs/slang/windows/vc60/framework.dsp
@@ -1,92 +1,92 @@
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+# ADD RSC /l 0x415 /d "_DEBUG"
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+# ADD BASE BSC32 /nologo
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+# ADD BASE LIB32 /nologo
+# ADD LIB32 /nologo
+
+!ENDIF 
+
+# Begin Target
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+# Name "framework - Win32 Release"
+# Name "framework - Win32 Debug"
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diff --git a/progs/slang/windows/vc60/slang.dsw b/progs/slang/windows/vc60/slang.dsw
index 60536c1b0d..ec38d1d9d5 100644
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+Project: "sotest"=".\sotest.dsp" - Package Owner=<4>
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+Package=<4>
+{{{
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diff --git a/progs/slang/windows/vc60/sotest.dsp b/progs/slang/windows/vc60/sotest.dsp
index 105924943b..3a08ec93aa 100644
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@@ -1,90 +1,90 @@
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+!IF  "$(CFG)" == "sotest - Win32 Release"
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+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
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diff --git a/progs/slang/windows/vc60/vstest.dsp b/progs/slang/windows/vc60/vstest.dsp
index a3a2c707f0..deb9e3d359 100644
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@@ -1,93 +1,93 @@
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+!MESSAGE NMAKE /f "vstest.mak".
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+!MESSAGE NMAKE /f "vstest.mak" CFG="vstest - Win32 Debug"
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+!IF  "$(CFG)" == "vstest - Win32 Release"
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+!ELSEIF  "$(CFG)" == "vstest - Win32 Debug"
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+# PROP Target_Dir ""
+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c
+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c
+# ADD BASE RSC /l 0x415 /d "_DEBUG"
+# ADD RSC /l 0x415 /d "_DEBUG"
+BSC32=bscmake.exe
+# ADD BASE BSC32 /nologo
+# ADD BSC32 /nologo
+LINK32=link.exe
+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
+
+!ENDIF 
+
+# Begin Target
+
+# Name "vstest - Win32 Release"
+# Name "vstest - Win32 Debug"
+# Begin Source File
+
+SOURCE=..\..\vstest.c
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\vstest.txt
+# End Source File
+# End Target
+# End Project
diff --git a/progs/tests/.gitignore b/progs/tests/.gitignore
index 6505c315a6..c5b9e28dab 100644
--- a/progs/tests/.gitignore
+++ b/progs/tests/.gitignore
@@ -18,6 +18,8 @@ bufferobj
 bug_3050
 bug_3101
 bug_3195
+bug_texstore_i8
+calibrate_rast
 copypixrate
 crossbar
 cva
@@ -28,6 +30,7 @@ exactrast
 fbotest1
 fbotest2
 fbotexture
+fillrate
 floattex
 fog
 fogcoord
@@ -40,7 +43,9 @@ invert
 jkrahntest
 lineclip
 manytex
+minmag
 mipmap_limits
+mipmap_view
 multipal
 no_s3tc
 packedpixels
@@ -57,6 +62,8 @@ shader_api
 stencil_twoside
 stencil_wrap
 stencilwrap
+stencil_wrap
+subtex
 subtexrate
 tex1d
 texcmp
@@ -78,4 +85,6 @@ vptorus
 vpwarpmesh
 yuvrect
 yuvsquare
+zcomp
+zdrawpix
 zreaddraw
diff --git a/progs/tests/Makefile b/progs/tests/Makefile
index cf8e0bfc1e..94473fc59d 100644
--- a/progs/tests/Makefile
+++ b/progs/tests/Makefile
@@ -30,6 +30,8 @@ SOURCES = \
 	bug_3050.c \
 	bug_3101.c \
 	bug_3195.c \
+	bug_texstore_i8.c \
+	calibrate_rast.c \
 	copypixrate.c \
 	crossbar.c \
 	cva.c \
@@ -40,6 +42,7 @@ SOURCES = \
 	fbotest1.c \
 	fbotest2.c \
 	fbotexture.c \
+	fillrate.c \
 	fog.c \
 	fogcoord.c \
 	fptest1.c \
@@ -52,12 +55,14 @@ SOURCES = \
 	manytex.c \
 	minmag.c \
 	mipmap_limits.c \
+	mipmap_view.c \
 	multipal.c \
 	no_s3tc.c \
 	packedpixels.c \
 	pbo.c \
 	prog_parameter.c \
 	projtex.c \
+	quads.c \
 	random.c \
 	readrate.c \
 	seccolor.c \
@@ -66,6 +71,7 @@ SOURCES = \
 	stencil_twoside.c \
 	stencilwrap.c \
 	stencil_wrap.c \
+	subtex \
 	subtexrate.c \
 	tex1d.c \
 	texcompress2.c \
@@ -85,6 +91,8 @@ SOURCES = \
 	vpwarpmesh.c \
 	yuvrect.c \
 	yuvsquare.c \
+	zcomp.c \
+	zdrawpix.c \
 	zreaddraw.c
 
 PROGS = $(SOURCES:%.c=%)
@@ -109,13 +117,13 @@ clean:
 .SUFFIXES: .c
 
 .c:
-	$(CC) $(INCLUDES) $(CFLAGS) $(LDFLAGS) $< $(LIBS) -o $@
+	$(APP_CC) $(INCLUDES) $(CFLAGS) $(LDFLAGS) $< $(LIBS) -o $@
 
 .c.o:
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
 
 .S.o:
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES)  $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES)  $< -o $@
 
 # auto code generation
 getprocaddress: getprocaddress.c getproclist.h
@@ -124,43 +132,58 @@ getproclist.h: $(TOP)/src/mesa/glapi/gl_API.xml getprocaddress.c getprocaddress.
 	python getprocaddress.py > getproclist.h
 
 arraytexture: arraytexture.o readtex.o
-	$(CC) $(CFLAGS) arraytexture.o readtex.o $(LIBS) -o $@
+	$(APP_CC) $(CFLAGS) arraytexture.o readtex.o $(LIBS) -o $@
 
 arraytexture.o: arraytexture.c readtex.h
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) arraytexture.c -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) arraytexture.c -o $@
 
 afsmultiarb: afsmultiarb.o readtex.o
-	$(CC) $(CFLAGS) $(LDFLAGS) afsmultiarb.o readtex.o $(LIBS) -o $@
+	$(APP_CC) $(CFLAGS) $(LDFLAGS) afsmultiarb.o readtex.o $(LIBS) -o $@
 
 afsmultiarb.o: afsmultiarb.c readtex.h
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) afsmultiarb.c -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) afsmultiarb.c -o $@
 
 drawbuffers: drawbuffers.o
-	$(CC) $(CFLAGS) $(LDFLAGS) drawbuffers.o $(LIBS) -o $@
+	$(APP_CC) $(CFLAGS) $(LDFLAGS) drawbuffers.o $(LIBS) -o $@
 
 drawbuffers.o: drawbuffers.c extfuncs.h
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) drawbuffers.c -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) drawbuffers.c -o $@
 
 texrect: texrect.o readtex.o
-	$(CC) $(CFLAGS) $(LDFLAGS) texrect.o readtex.o $(LIBS) -o $@
+	$(APP_CC) $(CFLAGS) $(LDFLAGS) texrect.o readtex.o $(LIBS) -o $@
 
 texrect.o: texrect.c readtex.h
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) texrect.c -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) texrect.c -o $@
 
 bug_3195: bug_3195.o readtex.o
-	$(CC) $(CFLAGS) $(LDFLAGS) bug_3195.o readtex.o $(LIBS) -o $@
+	$(APP_CC) $(CFLAGS) $(LDFLAGS) bug_3195.o readtex.o $(LIBS) -o $@
 
 bug_3195.o: bug_3195.c readtex.h
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) bug_3195.c -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) bug_3195.c -o $@
 
 invert: invert.o readtex.o
-	$(CC) $(CFLAGS) $(LDFLAGS) invert.o readtex.o $(LIBS) -o $@
+	$(APP_CC) $(CFLAGS) $(LDFLAGS) invert.o readtex.o $(LIBS) -o $@
 
 invert.o: invert.c readtex.h
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) invert.c -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) invert.c -o $@
+
+mipmap_view: mipmap_view.o readtex.o
+	$(APP_CC) $(CFLAGS) mipmap_view.o readtex.o $(LIBS) -o $@
+
+mipmap_view.o: mipmap_view.c readtex.h
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+
+
+fillrate: fillrate.o readtex.o
+	$(APP_CC) $(CFLAGS) fillrate.o readtex.o $(LIBS) -o $@
+
+fillrate.o: fillrate.c readtex.h
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+
+
 
 readtex.o: readtex.c
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) readtex.c -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) readtex.c -o $@
 
 
 readtex.h: $(TOP)/progs/util/readtex.h
diff --git a/progs/tests/bug_texstore_i8.c b/progs/tests/bug_texstore_i8.c
new file mode 100644
index 0000000000..f8dac210f7
--- /dev/null
+++ b/progs/tests/bug_texstore_i8.c
@@ -0,0 +1,194 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+/*
+ * Based on the trivial/quad-tex-2d program.
+ * Modified by Jakob Bornecrantz <jakob@tungstengraphics.com>
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+static GLenum Target = GL_TEXTURE_2D;
+static GLenum Filter = GL_NEAREST;
+GLenum doubleBuffer;
+static float Rot = 0;
+static int win = 0;
+
+static void Init(void)
+{
+	int internalFormat;
+	int sourceFormat;
+
+	fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+	fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+	fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+	glClearColor(0.0, 0.0, 1.0, 0.0);
+
+#define SIZE 16
+	{
+		GLubyte tex2d[SIZE][SIZE][4];
+		GLint s, t;
+
+		for (s = 0; s < SIZE; s++) {
+			for (t = 0; t < SIZE; t++) {
+				tex2d[t][s][0] = 0xff;
+				tex2d[t][s][1] = 0xff;
+				tex2d[t][s][2] = 0xff;
+				tex2d[t][s][3] = 0xff;
+			}
+		}
+
+		internalFormat = GL_LUMINANCE8;
+		sourceFormat = GL_RGBA;
+
+		glTexImage2D(Target,
+			0,
+			internalFormat,
+			SIZE, SIZE,
+			0,
+			sourceFormat,
+			GL_UNSIGNED_BYTE,
+			//GL_UNSIGNED_INT,
+			tex2d);
+
+		glEnable(Target);
+		glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+		glTexParameterf(Target, GL_TEXTURE_WRAP_R, GL_REPEAT);
+		glTexParameterf(Target, GL_TEXTURE_MIN_FILTER, Filter);
+		glTexParameterf(Target, GL_TEXTURE_MAG_FILTER, Filter);
+	}
+}
+
+static void Reshape(int width, int height)
+{
+	glViewport(0, 0, (GLint)width, (GLint)height);
+	glMatrixMode(GL_PROJECTION);
+	glLoadIdentity();
+#if 0
+	glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+#else
+	glFrustum(-1, 1, -1, 1, 10, 20);
+#endif
+	glMatrixMode(GL_MODELVIEW);
+	glLoadIdentity();
+	glTranslatef(0, 0, -15);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+	switch (key) {
+	case 'r':
+		Rot += 10.0;
+		break;
+	case 'R':
+		Rot -= 10.0;
+		break;
+	case 27:
+		glutDestroyWindow(win);
+		exit(0);
+	default:
+		return;
+	}
+	glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+	glClear(GL_COLOR_BUFFER_BIT);
+
+	glPushMatrix();
+	glRotatef(Rot, 0, 1, 0);
+
+	glBegin(GL_QUADS);
+	glTexCoord2f(1,0);
+	glVertex3f( 0.9, -0.9, 0.0);
+	glTexCoord2f(1,1);
+	glVertex3f( 0.9,  0.9, 0.0);
+	glTexCoord2f(0,1);
+	glVertex3f(-0.9,  0.9, 0.0);
+	glTexCoord2f(0,0);
+	glVertex3f(-0.9,  -0.9, 0.0);
+	glEnd();
+
+	glPopMatrix();
+
+	glFlush();
+
+	if (doubleBuffer) {
+		glutSwapBuffers();
+	}
+}
+
+static GLenum Args(int argc, char **argv)
+{
+	GLint i;
+
+	doubleBuffer = GL_FALSE;
+
+	for (i = 1; i < argc; i++) {
+		if (strcmp(argv[i], "-sb") == 0) {
+			doubleBuffer = GL_FALSE;
+		} else if (strcmp(argv[i], "-db") == 0) {
+			doubleBuffer = GL_TRUE;
+		} else {
+			fprintf(stderr, "%s (Bad option).\n", argv[i]);
+			return GL_FALSE;
+		}
+	}
+	return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+	GLenum type;
+
+	glutInit(&argc, argv);
+
+	if (Args(argc, argv) == GL_FALSE) {
+		exit(1);
+	}
+
+	glutInitWindowPosition(0, 0);
+	glutInitWindowSize(250, 250);
+
+	type = GLUT_RGB;
+	type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+	glutInitDisplayMode(type);
+
+	win = glutCreateWindow("Tex test");
+	if (!win) {
+		exit(1);
+	}
+
+	Init();
+
+	glutReshapeFunc(Reshape);
+	glutKeyboardFunc(Key);
+	glutDisplayFunc(Draw);
+	glutMainLoop();
+	return 0;
+}
diff --git a/progs/tests/calibrate_rast.c b/progs/tests/calibrate_rast.c
new file mode 100644
index 0000000000..37d8ac85e5
--- /dev/null
+++ b/progs/tests/calibrate_rast.c
@@ -0,0 +1,395 @@
+/*
+ * Automatic primitive rasterization precision test.
+ *
+ * Draw prims at various sub-pixel offsets and examine where the quad is
+ * actually drawn.
+ * Check if the range of offsets which paint the right pixels falls within
+ * OpenGL's specification.
+ * In case of failures, report the coordinate bias needed to fix the problem.
+ *
+ * Note that even Mesa/swrast fails some line tests.  This is because some
+ * window coordinates wind up as 53.9999 instead of 54, for example.  Enabling
+ * the small translation factor below fixes that.  Revisit someday...
+ *
+ * Brian Paul
+ * 28 Feb 2008
+ */
+
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+static int Width = 100, Height = 100;
+static int Win;
+static float Step = 0.125;
+#if 0
+/* This tiny offset fixes errors in Mesa/Xlib */
+static float Xtrans = 0.5 * 0.125;
+static float Ytrans = 0.5 * 0.125;
+#else
+static float Xtrans = 0.0;
+static float Ytrans = 0.0;
+#endif
+
+
+static void
+PointCalibrate(int xpos, int ypos)
+{
+   GLfloat rgba[4];
+   float x, y;
+   float xmin, ymin, xmax, ymax;
+
+   xmin = ymin = 1000.0;
+   xmax = ymax = -1000.0;
+
+   for (y = -1.0; y <= 1.0; y += Step) {
+      for (x = -1.0; x <= 1.0; x += Step) {
+         glClear(GL_COLOR_BUFFER_BIT);
+         glBegin(GL_POINTS);
+         glVertex2f(xpos + x, ypos + y);
+         glEnd();
+         glReadPixels(xpos, ypos, 1, 1, GL_RGBA, GL_FLOAT, rgba);
+         if (rgba[0] == 1.0 && rgba[1] == 1.0 && rgba[2] == 1.0) {
+            /* hit */
+            if (x < xmin)
+               xmin = x;
+            if (y < ymin)
+               ymin = y;
+            if (x > xmax)
+               xmax = x;
+            if (y > ymax)
+               ymax = y;
+         }
+      }
+   }
+
+   printf("Point at (%2d, %2d) drawn for x in [%6.3f, %6.3f] and y in [%6.3f, %6.3f]\n",
+          xpos, ypos,
+          xpos + xmin, xpos + xmax,
+          ypos + ymin, ypos + ymax);
+
+   if (xmax - xmin != 1.0 - Step) {
+      printf("  => Inconsistant X-axis rasterization!\n");
+   }
+   if (ymax - ymin != 1.0 - Step) {
+      printf("  => Inconsistant Y-axis rasterization!\n");
+   }
+   if (xmin < 0.0) {
+      printf("  => Points should be X biased by about %f\n", xmin);
+   }
+   if (ymin < 0.0) {
+      printf("  => Points should be Y biased by about %f\n", ymin);
+   }
+   if (xmax > 1.0) {
+      printf("  => Points should be X biased by about %f\n", 1.0 - xmax);
+   }
+   if (ymax > 1.0) {
+      printf("  => Points should be Y biased by about %f\n", 1.0 - ymax);
+   }
+
+}
+
+
+/**
+ * XXX Implement VLineCalibrate() someday
+ */
+static void
+HLineCalibrate(int xpos, int ypos, int len)
+{
+   GLfloat rgba[2][4];
+   float x, y;
+   float ymin, ymax;
+   float xmin_left, xmax_left, xmin_right, xmax_right;
+
+   xmin_left = xmin_right = 1000.0;
+   xmax_left = xmax_right = -1000.0;
+   ymin = 1000;
+   ymax = -1000.0;
+
+   /*
+    * First, check vertical positioning of the horizontal line
+    */
+   for (y = -1.0; y <= 1.0; y += Step) {
+      glClear(GL_COLOR_BUFFER_BIT);
+      glBegin(GL_LINES);
+      glVertex2f(xpos,       ypos + y);
+      glVertex2f(xpos + len, ypos + y);
+      glEnd();
+
+      glReadPixels(xpos + len / 2, ypos, 1, 1, GL_RGBA, GL_FLOAT, rgba);
+      if (rgba[0][0] == 1.0) {
+         /* hit */
+         if (y < ymin)
+            ymin = y;
+         if (y > ymax)
+            ymax = y;
+      }
+   }
+
+   printf("H-line at Y=%2d drawn for y in [%6.3f, %6.3f]\n",
+          ypos,
+          ypos + ymin, ypos + ymax);
+
+   if (ymax - ymin != 1.0 - Step) {
+      printf("  => Inconsistant Y-axis rasterization!\n");
+   }
+
+   if (ymin > 0.5 ) {
+      printf("  => Lines should be Y biased by about %f\n", ymin - 0.5);
+   }
+
+   if (ymax < 0.5 ) {
+      printf("  => Lines should be Y biased by about %f\n", 0.5 - ymax);
+   }
+
+   /*
+    * Second, check endpoints  (for Y at 1/2 pixel)
+    */
+   for (x = -1.0; x <= 1.0; x += Step) {
+      glClear(GL_COLOR_BUFFER_BIT);
+      glBegin(GL_LINES);
+      glVertex2f(xpos + x,       ypos + 0.5f);
+      glVertex2f(xpos + x + len, ypos + 0.5f);
+      glEnd();
+
+      /* left end */
+      glReadPixels(xpos - 1, ypos, 2, 1, GL_RGBA, GL_FLOAT, rgba);
+      if (rgba[0][0] == 0.0 && rgba[1][0] == 1.0) {
+         /* hit */
+         if (x < xmin_left)
+            xmin_left = x;
+         if (x > xmax_left)
+            xmax_left = x;
+      }
+
+      /* right end */
+      glReadPixels(xpos + len - 1, ypos, 2, 1, GL_RGBA, GL_FLOAT, rgba);
+      if (rgba[0][0] == 1.0 && rgba[1][0] == 0.0) {
+         /* hit */
+         if (x < xmin_right)
+            xmin_right = x;
+         if (x > xmax_right)
+            xmax_right = x;
+      }
+   }
+
+   printf("H-line [%d..%d) hit left end for x in [%6.3f, %6.3f] "
+          "hit right end for x in [%6.3f, %6.3f]\n",
+          xpos, xpos + len,
+          xpos + xmin_left, xpos + xmax_left,
+          xpos + len + xmin_right, xpos + len + xmax_right);
+
+   if (xmax_left - xmin_left > 1.0 - Step) {
+      printf("  => Inconsistant left-end rasterization!\n");
+   }
+   if (xmax_right - xmin_right > 1.0 - Step) {
+      printf("  => Inconsistant right-end rasterization!\n");
+   }
+
+   if (xmin_left != xmin_right ||
+       xmax_left != xmax_right) {
+      printf("  => Inconsistant length!\n");
+   }
+
+   if (xmin_left < 0.0) {
+      printf("  => Coords should be X biased by about %f\n", xmin_left );
+   }
+   if (xmin_right < 0.0) {
+      printf("  => Coords should be X biased by about %f\n", xmin_right );
+   }
+   if (xmax_left >= 1.0) {
+      printf("  => Coords should be X biased by about %f\n", -xmax_right + 1.0);
+   }
+   if (xmax_right >= 1.0) {
+      printf("  => Coords should be X biased by about %f\n", -xmax_right + 1.0);
+   }
+
+}
+
+
+static void
+QuadCalibrate(int xpos, int ypos, int width, int height)
+{
+   GLfloat rgba1[2][4];
+   GLfloat rgba2[2][4];
+   float x, y;
+   float xmin, ymin, xmax, ymax;
+
+   xmin = ymin = 1000.0;
+   xmax = ymax = -1000.0;
+
+   for (y = -1.0; y <= 1.0; y += Step) {
+      for (x = -1.0; x <= 1.0; x += Step) {
+         glClear(GL_COLOR_BUFFER_BIT);
+         glBegin(GL_QUADS);
+         glVertex2f(xpos + x,         ypos + y);
+         glVertex2f(xpos + x + width, ypos + y);
+         glVertex2f(xpos + x + width, ypos + y + height);
+         glVertex2f(xpos + x,         ypos + y + height);
+         glEnd();
+
+         /* horizontal measurement */
+         glReadPixels(xpos - 1, ypos + 2, 2, 1, GL_RGBA, GL_FLOAT, rgba1);
+         glReadPixels(xpos + width - 1, ypos + 2, 2, 1, GL_RGBA, GL_FLOAT, rgba2);
+         if (rgba1[0][0] == 0.0 && rgba1[1][0] == 1.0 &&
+             rgba2[0][0] == 1.0 && rgba2[1][0] == 0.0) {
+            if (x < xmin)
+               xmin = x;
+            if (x > xmax)
+               xmax = x;
+         }
+
+         /* vertical measurement */
+         glReadPixels(xpos + 2, ypos - 1, 1, 2, GL_RGBA, GL_FLOAT, rgba1);
+         glReadPixels(xpos + 2, ypos + height - 1, 1, 2, GL_RGBA, GL_FLOAT, rgba2);
+         if (rgba1[0][0] == 0.0 && rgba1[1][0] == 1.0 &&
+             rgba2[0][0] == 1.0 && rgba2[1][0] == 0.0) {
+            if (y < ymin)
+               ymin = y;
+            if (y > ymax)
+               ymax = y;
+         }
+      }
+   }
+
+   printf("Quad at (%2d, %2d)..(%2d, %2d) drawn"
+          " for x in [%6.3f, %6.3f] and y in [%6.3f, %6.3f]\n",
+          xpos, ypos,
+          xpos + width, ypos + height,
+          xpos + xmin, xpos + xmax,
+          ypos + ymin, ypos + ymax);
+
+   if (xmax - xmin != 1.0 - Step) {
+      printf("  => Inconsistant X-axis rasterization/size!\n");
+   }
+   if (ymax - ymin != 1.0 - Step) {
+      printf("  => Inconsistant Y-axis rasterization/size!\n");
+   }
+
+   if (xmin < -0.5) {
+      printf("  => Coords should be X biased by about %f\n", 0.5 + xmin );
+   }
+   if (ymin < -0.5) {
+      printf("  => Coords should be Y biased by about %f\n", 0.5 + ymin);
+   }
+   if (xmax > 0.5) {
+      printf("  => Coords should be X biased by about %f\n", -xmax + 0.5);
+   }
+   if (ymax > 0.5) {
+      printf("  => Coords should be Y biased by about %f\n", -ymax + 0.5);
+   }
+}
+
+
+/**
+ * Misc/disabled code for debugging.
+ */
+static void
+DebugTest(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT);
+   glEnable(GL_BLEND);
+   glBlendFunc(GL_ONE, GL_ONE);
+
+   glColor3f(.5, .5, .5);
+
+   glBegin(GL_LINES);
+   glVertex2f(30, 35.5);
+   glVertex2f(54, 35.5);
+   glVertex2f(54, 35.5);
+   glVertex2f(66, 35.5);
+   glEnd();
+
+   glDisable(GL_BLEND);
+   glColor3f(1,1,1);
+}
+
+
+static void
+Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT);
+
+   glPushMatrix();
+   glTranslatef(Xtrans, Ytrans, 0);
+
+   PointCalibrate(1, 1);
+   PointCalibrate(50, 50);
+   PointCalibrate(28, 17);
+   PointCalibrate(17, 18);
+   printf("\n");
+
+   HLineCalibrate(5, 10, 10);
+   HLineCalibrate(25, 22, 12);
+   HLineCalibrate(54, 33, 12);
+   HLineCalibrate(54+12, 33, 12);
+   printf("\n");
+
+   QuadCalibrate(2, 2, 10, 10);
+   QuadCalibrate(50, 50, 10, 10);
+   QuadCalibrate(28, 17, 12, 12);
+   QuadCalibrate(17, 28, 12, 12);
+
+   (void) DebugTest;
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void
+Reshape(int width, int height)
+{
+   Width = width;
+   Height = height;
+   glViewport(0, 0, width, height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(0, width, 0, height, -1, 1);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+}
+
+
+static void
+Key(unsigned char key, int x, int y)
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+   case 27:
+      glutDestroyWindow(Win);
+      exit(0);
+      break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+Init(void)
+{
+   printf("Measurement/callibration for basic prim rasterization...\n");
+   printf("GL_RENDERER: %s\n", (char*) glGetString(GL_RENDERER));
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   glutInit(&argc, argv);
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(Width, Height);
+   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
+   Win = glutCreateWindow(argv[0]);
+   glutReshapeFunc(Reshape);
+   glutKeyboardFunc(Key);
+   glutDisplayFunc(Draw);
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/tests/copypixrate.c b/progs/tests/copypixrate.c
index e9a42a1c8c..142315364c 100644
--- a/progs/tests/copypixrate.c
+++ b/progs/tests/copypixrate.c
@@ -73,6 +73,32 @@ Rand(int max)
 }
 
 
+static void
+BlitOne(void)
+{
+   int x, y;
+
+   do {
+      x = Rand(WinWidth);
+      y = Rand(WinHeight);
+   } while (x <= ImgWidth && y <= ImgHeight);
+
+#ifdef GL_EXT_framebuffer_blit
+   if (UseBlit)
+   {
+      glBlitFramebufferEXT_func(0, 0, ImgWidth, ImgHeight,
+                                x, y, x + ImgWidth, y + ImgHeight,
+                                GL_COLOR_BUFFER_BIT, GL_LINEAR);
+   }
+   else
+#endif
+   {
+      glWindowPos2iARB(x, y);
+      glCopyPixels(0, 0, ImgWidth, ImgHeight, GL_COLOR);
+   }
+}
+
+
 /**
  * Measure glCopyPixels rate
  */
@@ -96,30 +122,14 @@ RunTest(void)
    bpp = (r + g + b + a) / 8;
 
    do {
-      int x, y;
-      x = Rand(WinWidth);
-      y = Rand(WinHeight);
+      BlitOne();
 
-      if (x > ImgWidth || y > ImgHeight) {
-#ifdef GL_EXT_framebuffer_blit
-         if (UseBlit)
-         {
-            glBlitFramebufferEXT_func(0, 0, ImgWidth, ImgHeight,
-                                      x, y, x + ImgWidth, y + ImgHeight,
-                                      GL_COLOR_BUFFER_BIT, GL_LINEAR);
-         }
-         else
-#endif
-         {
-            glWindowPos2iARB(x, y);
-            glCopyPixels(0, 0, ImgWidth, ImgHeight, GL_COLOR);
-         }
-         glFinish(); /* XXX OK? */
+      if (Buffer == GL_FRONT)
+         glFinish(); /* XXX to view progress */
 
-         iters++;
+      iters++;
 
-         t1 = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
-      }
+      t1 = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
    } while (t1 - t0 < 5.0);
 
    glDisable(GL_ALPHA_TEST);
@@ -151,8 +161,10 @@ Draw(void)
    else
       glutSwapBuffers();
 
+#if 1
    printf("exiting\n");
    exit(0);
+#endif
 }
 
 
@@ -175,9 +187,12 @@ Key(unsigned char key, int x, int y)
    (void) x;
    (void) y;
    switch (key) {
-      case 27:
-         exit(0);
-         break;
+   case 'b':
+      BlitOne();
+      break;
+   case 27:
+      exit(0);
+      break;
    }
    glutPostRedisplay();
 }
diff --git a/progs/tests/descrip.mms b/progs/tests/descrip.mms
deleted file mode 100644
index b6ba3e1aeb..0000000000
--- a/progs/tests/descrip.mms
+++ /dev/null
@@ -1,84 +0,0 @@
-# Makefile for GLUT-based demo programs for VMS
-# contributed by Jouk Jansen  joukj@hrem.stm.tudelft.nl
-
-
-.first
-	define gl [--.include.gl]
-
-.include [--]mms-config.
-
-##### MACROS #####
-
-INCDIR = ([--.include],[-.util])
-CFLAGS = /include=$(INCDIR)/prefix=all/name=(as_is,short)/float=ieee/ieee=denorm
-
-.ifdef SHARE
-GL_LIBS = $(XLIBS)
-.else
-GL_LIBS = [--.lib]libGLUT/l,libMesaGLU/l,libMesaGL/l,$(XLIBS)
-.endif
-
-LIB_DEP = [--.lib]$(GL_LIB) [--.lib]$(GLU_LIB) [--.lib]$(GLUT_LIB)
-
-PROGS = cva.exe,\
-	dinoshade.exe,\
-	fogcoord.exe,\
-	manytex.exe,\
-	multipal.exe,\
-	projtex.exe,\
-	seccolor.exe,\
-	sharedtex.exe,\
-	texline.exe,\
-	texwrap.exe,\
-	vptest1.exe,\
-	vptest2.exe,\
-	vptest3.exe,\
-	vptorus.exe,\
-	vpwarpmesh.exe
-
-##### RULES #####
-.obj.exe :
-	cxxlink $(MMS$TARGET_NAME),$(GL_LIBS)
-
-##### TARGETS #####
-default :
-	$(MMS)$(MMSQUALIFIERS) $(PROGS)
-
-clean :
-	delete *.obj;*
-
-realclean :
-	delete $(PROGS)
-	delete *.obj;*
-
-cva.exe : cva.obj $(LIB_DEP)
-dinoshade.exe : dinoshade.obj $(LIB_DEP)
-fogcoord.exe : fogcoord.obj $(LIB_DEP)
-manytex.exe : manytex.obj $(LIB_DEP)
-multipal.exe : multipal.obj $(LIB_DEP)
-projtex.exe : projtex.obj $(LIB_DEP)
-seccolor.exe : seccolor.obj $(LIB_DEP)
-sharedtex.exe : sharedtex.obj $(LIB_DEP)
-texline.exe : texline.obj $(LIB_DEP)
-texwrap.exe : texwrap.obj $(LIB_DEP)
-vptest1.exe : vptest1.obj $(LIB_DEP)
-vptest2.exe : vptest2.obj $(LIB_DEP)
-vptest3.exe : vptest3.obj $(LIB_DEP)
-vptorus.exe : vptorus.obj $(LIB_DEP)
-vpwarpmesh.exe : vpwarpmesh.obj $(LIB_DEP)
-
-cva.obj : cva.c
-dinoshade.obj : dinoshade.c
-fogcoord.obj : fogcoord.c
-manytex.obj : manytex.c
-multipal.obj : multipal.c
-projtex.obj : projtex.c
-seccolor.obj : seccolor.c
-sharedtex.obj : sharedtex.c
-texline.obj : texline.c
-texwrap.obj : texwrap.c
-vptest1.obj : vptest1.c
-vptest2.obj : vptest2.c
-vptest3.obj : vptest3.c
-vptorus.obj : vptorus.c
-vpwarpmesh.obj : vpwarpmesh.c
diff --git a/progs/tests/fillrate.c b/progs/tests/fillrate.c
new file mode 100644
index 0000000000..8fe636c364
--- /dev/null
+++ b/progs/tests/fillrate.c
@@ -0,0 +1,203 @@
+/**
+ * Measure fill rates for basic shading/texturing modes.
+ *
+ * Brian Paul
+ * 1 April 2008
+ */
+
+
+#define GL_GLEXT_PROTOTYPES
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+#include "readtex.h"
+
+#define TEXTURE_1_FILE "../images/tile.rgb"
+#define TEXTURE_2_FILE "../images/reflect.rgb"
+
+static int Win;
+static int Width = 1010, Height = 1010;
+static GLuint Textures[2];
+
+
+/**
+ * Draw quad 10 pixels shorter, narrower than window size.
+ */
+static void
+DrawQuad(void)
+{
+   glBegin(GL_POLYGON);
+
+   glColor3f(1.0, 0.5, 0.5);
+   glMultiTexCoord2f(GL_TEXTURE0, 0, 0);
+   glMultiTexCoord2f(GL_TEXTURE1, 0, 0);
+   glVertex2f(5, 5);
+
+   glColor3f(0.5, 1.0, 0.5);
+   glMultiTexCoord2f(GL_TEXTURE0, 1, 0);
+   glMultiTexCoord2f(GL_TEXTURE1, 1, 0);
+   glVertex2f(Width - 5, 5);
+
+   glColor3f(0.5, 0.5, 1.0);
+   glMultiTexCoord2f(GL_TEXTURE0, 1, 1);
+   glMultiTexCoord2f(GL_TEXTURE1, 1, 1);
+   glVertex2f(Width - 5, Height - 5);
+
+   glColor3f(1.0, 0.5, 1.0);
+   glMultiTexCoord2f(GL_TEXTURE0, 0, 1);
+   glMultiTexCoord2f(GL_TEXTURE1, 0, 1);
+   glVertex2f(5, Height - 5);
+
+   glEnd();
+}
+
+
+/**
+ * Compute rate for drawing large quad with given shading/texture state.
+ */
+static void
+RunTest(GLenum shading, GLuint numTextures, GLenum texFilter)
+{
+   const GLdouble minPeriod = 2.0;
+   GLdouble t0, t1;
+   GLdouble pixels, rate;
+   GLint i, iters;
+
+   glActiveTexture(GL_TEXTURE0);
+   if (numTextures > 0) {
+      glBindTexture(GL_TEXTURE_2D, Textures[0]);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, texFilter);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, texFilter);
+      glEnable(GL_TEXTURE_2D);
+   }
+   else {
+      glDisable(GL_TEXTURE_2D);
+   }
+
+   glActiveTexture(GL_TEXTURE1);
+   if (numTextures > 1) {
+      glBindTexture(GL_TEXTURE_2D, Textures[1]);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, texFilter);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, texFilter);
+      glEnable(GL_TEXTURE_2D);
+   }
+   else {
+      glDisable(GL_TEXTURE_2D);
+   }
+
+   glShadeModel(shading);
+
+
+   glFinish();
+
+   iters = 1;
+   do {
+      iters *= 4;
+      t0 = glutGet(GLUT_ELAPSED_TIME) * 0.001;
+      for (i = 0; i < iters; i++) {
+         DrawQuad();
+      }
+      glFinish();
+      t1 = glutGet(GLUT_ELAPSED_TIME) * 0.001;
+   } while (t1 - t0 < minPeriod);
+
+   glutSwapBuffers();
+
+   pixels = (double) iters * (Width - 10) * (Height - 10);
+   rate = pixels / (t1 - t0);
+   rate /= 1000000.0;  /* megapixels/second */
+
+   printf("%s ", shading == GL_FLAT ? "GL_FLAT" : "GL_SMOOTH");
+   printf("Textures=%u ", numTextures);
+   printf("Filter=%s: ", texFilter == GL_LINEAR ? "GL_LINEAR" : "GL_NEAREST");
+   printf("%g MPixels/sec\n", rate);
+}
+
+
+static void
+Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT);
+
+   RunTest(GL_FLAT, 0, GL_NEAREST);
+   RunTest(GL_SMOOTH, 0, GL_NEAREST);
+   RunTest(GL_SMOOTH, 1, GL_NEAREST);
+   RunTest(GL_SMOOTH, 1, GL_LINEAR);
+   RunTest(GL_SMOOTH, 2, GL_NEAREST);
+   RunTest(GL_SMOOTH, 2, GL_LINEAR);
+
+   glutSwapBuffers();
+}
+
+
+static void
+Reshape(int width, int height)
+{
+   glViewport(0, 0, width, height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(0, width, 0, height, -1, 1);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   Width = width;
+   Height = height;
+}
+
+
+static void
+Key(unsigned char key, int x, int y)
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+   case 27:
+      glutDestroyWindow(Win);
+      exit(0);
+      break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+Init(void)
+{
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+
+   glGenTextures(2, Textures);
+
+   glBindTexture(GL_TEXTURE_2D, Textures[0]);
+   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+
+   if (!LoadRGBMipmaps(TEXTURE_1_FILE, GL_RGB)) {
+      printf("Error: couldn't load texture image\n");
+      exit(1);
+   }
+
+   glBindTexture(GL_TEXTURE_2D, Textures[1]);
+   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+
+   if (!LoadRGBMipmaps(TEXTURE_2_FILE, GL_RGB)) {
+      printf("Error: couldn't load texture image\n");
+      exit(1);
+   }
+
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   glutInit(&argc, argv);
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(Width, Height);
+   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
+   Win = glutCreateWindow(argv[0]);
+   glutReshapeFunc(Reshape);
+   glutKeyboardFunc(Key);
+   glutDisplayFunc(Draw);
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/tests/manytex.c b/progs/tests/manytex.c
index 74b06649f6..83c8676657 100644
--- a/progs/tests/manytex.c
+++ b/progs/tests/manytex.c
@@ -29,6 +29,7 @@ static GLboolean LinearFilter = GL_FALSE;
 static GLboolean RandomSize = GL_FALSE;
 static GLint Rows, Columns;
 static GLint LowPriorityCount = 0;
+static GLint Win;
 
 
 static void Idle( void )
@@ -127,6 +128,14 @@ static int RandomInt(int min, int max)
 }
 
 
+static void DeleteTextures(void)
+{
+   glDeleteTextures(NumTextures, TextureID);
+   free(TextureID);
+   TextureID = NULL;
+}
+
+
 
 static void Init( void )
 {
@@ -305,9 +314,12 @@ static void Key( unsigned char key, int x, int y )
          Zrot += step;
          break;
       case ' ':
+         DeleteTextures();
          Init();
          break;
       case 27:
+         DeleteTextures();
+         glutDestroyWindow(Win);
          exit(0);
          break;
    }
@@ -323,7 +335,7 @@ int main( int argc, char *argv[] )
    glutInitWindowPosition( 0, 0 );
    glutInitWindowSize( WinWidth, WinHeight );
    glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
-   glutCreateWindow(argv[0]);
+   Win = glutCreateWindow(argv[0]);
    glutReshapeFunc( Reshape );
    glutKeyboardFunc( Key );
    glutDisplayFunc( Display );
diff --git a/progs/tests/mipmap_view.c b/progs/tests/mipmap_view.c
new file mode 100644
index 0000000000..54607b8939
--- /dev/null
+++ b/progs/tests/mipmap_view.c
@@ -0,0 +1,251 @@
+/*
+ * Test mipmap generation and lod bias.
+ *
+ * Brian Paul
+ * 17 March 2008
+ */
+
+
+#include <assert.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+#include <GL/glut.h>
+#include <GL/glext.h>
+
+#include "readtex.h"
+
+#define TEXTURE_FILE "../images/arch.rgb"
+
+static int TexWidth = 256, TexHeight = 256;
+static int WinWidth = 1044, WinHeight = 900;
+static GLfloat Bias = 0.0;
+static GLboolean ScaleQuads = GL_FALSE;
+static GLint Win = 0;
+
+
+
+static void
+PrintString(const char *s)
+{
+   while (*s) {
+      glutBitmapCharacter(GLUT_BITMAP_8_BY_13, (int) *s);
+      s++;
+   }
+}
+
+
+static void
+Display(void)
+{
+   int x, y, bias;
+   char str[100];
+   int texWidth = TexWidth, texHeight = TexHeight;
+
+   glClear(GL_COLOR_BUFFER_BIT);
+
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(0, WinWidth, 0, WinHeight, -1, 1);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   
+   glColor3f(1,1,1);
+
+   y = WinHeight - 300;
+   x = 4;
+
+   for (bias = -1; bias < 11; bias++) {
+
+      if (ScaleQuads) {
+         if (bias > 0) {
+            if (texWidth == 1 && texHeight == 1)
+               break;
+            texWidth = TexWidth >> bias;
+            texHeight = TexHeight >> bias;
+            if (texWidth < 1)
+               texWidth = 1;
+            if (texHeight < 1)
+               texHeight = 1;
+         }
+         glTexEnvf(GL_TEXTURE_FILTER_CONTROL_EXT, GL_TEXTURE_LOD_BIAS_EXT, 0.0);
+      }
+      else {
+         glTexEnvf(GL_TEXTURE_FILTER_CONTROL_EXT, GL_TEXTURE_LOD_BIAS_EXT, bias);
+      }
+
+      glRasterPos2f(x, y + TexHeight + 5);
+      if (ScaleQuads)
+         sprintf(str, "Texture Level %d: %d x %d",
+                 (bias < 0 ? 0 : bias),
+                 texWidth, texHeight);
+      else
+         sprintf(str, "Texture LOD Bias = %d", bias);
+      PrintString(str);
+
+      glPushMatrix();
+      glTranslatef(x, y, 0);
+
+      glEnable(GL_TEXTURE_2D);
+
+      glBegin(GL_POLYGON);
+      glTexCoord2f(0, 0);  glVertex2f(0, 0);
+      glTexCoord2f(1, 0);  glVertex2f(texWidth, 0);
+      glTexCoord2f(1, 1);  glVertex2f(texWidth, texHeight);
+      glTexCoord2f(0, 1);  glVertex2f(0, texHeight);
+      glEnd();
+
+      glPopMatrix();
+
+      glDisable(GL_TEXTURE_2D);
+
+      x += TexWidth + 4;
+      if (x >= WinWidth) {
+         x = 4;
+         y -= 300;
+      }
+   }
+
+   glutSwapBuffers();
+}
+
+
+static void
+Reshape(int width, int height)
+{
+   WinWidth = width;
+   WinHeight = height;
+   glViewport(0, 0, width, height);
+}
+
+
+static void
+Key(unsigned char key, int x, int y)
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 'b':
+         Bias -= 10;
+         break;
+      case 'B':
+         Bias += 10;
+         break;
+      case '0':
+      case '1':
+      case '2':
+      case '3':
+      case '4':
+      case '5':
+      case '6':
+      case '7':
+      case '8':
+      case '9':
+         Bias = 100.0 * (key - '0');
+         break;
+      case 's':
+         ScaleQuads = !ScaleQuads;
+         break;
+      case 27:
+         glutDestroyWindow(Win);
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+Init(void)
+{
+   GLfloat maxBias;
+
+   if (!glutExtensionSupported("GL_EXT_texture_lod_bias")) {
+      printf("Sorry, GL_EXT_texture_lod_bias not supported by this renderer.\n");
+      exit(1);
+   }
+
+   if (!glutExtensionSupported("GL_SGIS_generate_mipmap")) {
+      printf("Sorry, GL_SGIS_generate_mipmap not supported by this renderer.\n");
+      exit(1);
+   }
+
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+   if (1) {
+      /* test auto mipmap generation */
+      GLint width, height, i;
+      GLenum format;
+      GLubyte *image = LoadRGBImage(TEXTURE_FILE, &width, &height, &format);
+      if (!image) {
+         printf("Error: could not load texture image %s\n", TEXTURE_FILE);
+         exit(1);
+      }
+      /* resize to TexWidth x TexHeight */
+      if (width != TexWidth || height != TexHeight) {
+         GLubyte *newImage = malloc(TexWidth * TexHeight * 4);
+         gluScaleImage(format, width, height, GL_UNSIGNED_BYTE, image,
+                       TexWidth, TexHeight, GL_UNSIGNED_BYTE, newImage);
+         free(image);
+         image = newImage;
+      }
+      printf("Using GL_SGIS_generate_mipmap\n");
+      glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP_SGIS, GL_TRUE);
+      glTexImage2D(GL_TEXTURE_2D, 0, format, TexWidth, TexHeight, 0,
+                   format, GL_UNSIGNED_BYTE, image);
+      free(image);
+
+      /* make sure mipmap was really generated correctly */
+      width = TexWidth;
+      height = TexHeight;
+      for (i = 0; i < 9; i++) {
+         GLint w, h;
+         glGetTexLevelParameteriv(GL_TEXTURE_2D, i, GL_TEXTURE_WIDTH, &w);
+         glGetTexLevelParameteriv(GL_TEXTURE_2D, i, GL_TEXTURE_HEIGHT, &h);
+         printf("Level %d size: %d x %d\n", i, w, h);
+         assert(w == width);
+         assert(h == height);
+         width /= 2;
+         height /= 2;
+      }
+   }
+   else {
+      if (LoadRGBMipmaps(TEXTURE_FILE, GL_RGB)) {
+         printf("Using gluBuildMipmaps()\n");
+      }
+      else {
+         printf("Error: could not load texture image %s\n", TEXTURE_FILE);
+         exit(1);
+      }
+   }
+
+
+   /* mipmapping required for this extension */
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+
+   glGetFloatv(GL_MAX_TEXTURE_LOD_BIAS_EXT, &maxBias);
+
+   printf("GL_RENDERER: %s\n", (char*) glGetString(GL_RENDERER));
+   printf("LOD bias range: [%g, %g]\n", -maxBias, maxBias);
+
+   printf("Press 's' to toggle quad scaling\n");
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   glutInit(&argc, argv);
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(WinWidth, WinHeight);
+   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
+   Win = glutCreateWindow(argv[0]);
+   glutReshapeFunc(Reshape);
+   glutKeyboardFunc(Key);
+   glutDisplayFunc(Display);
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/tests/quads.c b/progs/tests/quads.c
new file mode 100644
index 0000000000..1bf57e6337
--- /dev/null
+++ b/progs/tests/quads.c
@@ -0,0 +1,258 @@
+/**
+ * Draw colored quads.
+ */
+
+
+#define GL_GLEXT_PROTOTYPES
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+#define NUM_QUADS 20
+
+
+static int Win;
+static GLfloat Xrot = 40, Yrot = 0, Zrot = 0;
+static GLboolean Anim = GL_TRUE;
+static GLuint Vbuffer = 0;
+
+static GLfloat buf[NUM_QUADS * 6 * 4];
+
+static GLboolean SwapBuffers = GL_TRUE;
+
+static GLint Frames = 0, T0 = 0;
+
+
+static void
+Idle(void)
+{
+   Xrot += 3.0;
+   Yrot += 4.0;
+   Zrot += 2.0;
+   glutPostRedisplay();
+}
+
+
+static void
+Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   glPushMatrix();
+   glRotatef(Xrot, 1, 0, 0);
+   glRotatef(Yrot, 0, 1, 0);
+   glRotatef(Zrot, 0, 0, 1);
+
+   glDrawArrays(GL_QUADS, 0, NUM_QUADS*4);
+
+   glPopMatrix();
+
+   if (SwapBuffers)
+      glutSwapBuffers();
+   /*
+   else
+      glFinish();
+   */
+
+   {
+      GLint t = glutGet(GLUT_ELAPSED_TIME);
+      Frames++;
+      if (t - T0 >= 5000) {
+         GLfloat seconds = (t - T0) / 1000.0;
+         GLfloat fps = Frames / seconds;
+         printf("%d frames in %6.3f seconds = %6.3f FPS\n",
+                Frames, seconds, fps);
+         T0 = t;
+         Frames = 0;
+      }
+   }
+}
+
+
+static void
+Reshape(int width, int height)
+{
+   glViewport(0, 0, width, height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 25.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -8.0);
+}
+
+
+static void
+Key(unsigned char key, int x, int y)
+{
+   const GLfloat step = 3.0;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 's':
+         SwapBuffers = !SwapBuffers;
+         break;
+      case 'a':
+         Anim = !Anim;
+         if (Anim)
+            glutIdleFunc(Idle);
+         else
+            glutIdleFunc(NULL);
+         break;
+      case 'z':
+         Zrot -= step;
+         break;
+      case 'Z':
+         Zrot += step;
+         break;
+      case 27:
+         glutDestroyWindow(Win);
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+SpecialKey(int key, int x, int y)
+{
+   const GLfloat step = 3.0;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case GLUT_KEY_UP:
+         Xrot -= step;
+         break;
+      case GLUT_KEY_DOWN:
+         Xrot += step;
+         break;
+      case GLUT_KEY_LEFT:
+         Yrot -= step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Yrot += step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+quad(float x, float y, float z, float *v)
+{
+   int k = 0;
+
+   /* color */
+   v[k++] = x * 0.5 + 0.5;
+   v[k++] = y * 0.5 + 0.5;
+   v[k++] = z * 0.5 + 0.5;
+   /* vert */
+   v[k++] = x;
+   v[k++] = y;
+   v[k++] = z;
+
+   /* color */
+   v[k++] = -x * 0.5 + 0.5;
+   v[k++] = -y * 0.5 + 0.5;
+   v[k++] = z * 0.5 + 0.5;
+   /* vert */
+   v[k++] = -x;
+   v[k++] = -y;
+   v[k++] = z;
+
+   /* color */
+   v[k++] = -x * 0.5 + 0.5;
+   v[k++] = -y * 0.5 + 0.5;
+   v[k++] = -z * 0.5 + 0.5;
+   /* vert */
+   v[k++] = -x;
+   v[k++] = -y;
+   v[k++] = -z;
+
+   /* color */
+   v[k++] = x * 0.5 + 0.5;
+   v[k++] = y * 0.5 + 0.5;
+   v[k++] = -z * 0.5 + 0.5;
+   /* vert */
+   v[k++] = x;
+   v[k++] = y;
+   v[k++] = -z;
+}
+
+static void
+gen_quads(GLfloat *buf)
+{
+   float *v = buf;
+   float r = 1.0;
+   int i;
+
+   for (i = 0; i < NUM_QUADS; i++) {
+      float angle = i / (float) NUM_QUADS * M_PI;
+      float x = r * cos(angle);
+      float y = r * sin(angle);
+      float z = 1.10;
+      quad(x, y, z, v);
+      v += 24;
+   }
+
+   if (0) {
+      float *p = buf;
+      for (i = 0; i < NUM_QUADS * 4 * 2; i++) {
+         printf("%d: %f %f %f\n", i, p[0], p[1], p[2]);
+         p += 3;
+      }
+   }
+}
+
+
+static void
+Init(void)
+{
+   int bytes = NUM_QUADS * 4 * 2 * 3 * sizeof(float);
+   GLfloat *f;
+
+#if 1
+   glGenBuffers(1, &Vbuffer);
+   glBindBuffer(GL_ARRAY_BUFFER, Vbuffer);
+   glBufferData(GL_ARRAY_BUFFER_ARB, bytes, NULL, GL_STATIC_DRAW_ARB);
+   f = (float *) glMapBuffer(GL_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB);
+   gen_quads(f);
+   glUnmapBuffer(GL_ARRAY_BUFFER_ARB);
+   glColorPointer(3, GL_FLOAT, 6*sizeof(float), (void *) 0);
+   glVertexPointer(3, GL_FLOAT, 6*sizeof(float), (void *) 12);
+#else
+   f = buf;
+   gen_quads(f);
+   glColorPointer(3, GL_FLOAT, 6*sizeof(float), buf);
+   glVertexPointer(3, GL_FLOAT, 6*sizeof(float), buf + 3);
+#endif
+
+   glEnableClientState(GL_COLOR_ARRAY);
+   glEnableClientState(GL_VERTEX_ARRAY);
+
+   glEnable(GL_DEPTH_TEST);
+
+   glClearColor(0.5, 0.5, 0.5, 0.0);
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   glutInit(&argc, argv);
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(600, 600);
+   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
+   Win = glutCreateWindow(argv[0]);
+   glutReshapeFunc(Reshape);
+   glutKeyboardFunc(Key);
+   glutSpecialFunc(SpecialKey);
+   glutDisplayFunc(Draw);
+   if (Anim)
+      glutIdleFunc(Idle);
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/tests/subtex.c b/progs/tests/subtex.c
new file mode 100644
index 0000000000..81ceb085aa
--- /dev/null
+++ b/progs/tests/subtex.c
@@ -0,0 +1,223 @@
+/*
+ * Test glTexSubImage mid-way through a frame.
+ *
+ * The same texture is used for both quads but it gets redefined
+ * with glTexSubImage (or glTexImage) after the first quad.
+ */
+
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "GL/glut.h"
+
+static GLuint Window = 0;
+static GLboolean Anim = GL_FALSE;
+static GLfloat Angle = 0.0f;
+
+
+
+static void
+first_texture(void)
+{
+   static int width=8, height=8;
+   static GLubyte tex1[] = {
+     0, 0, 0, 0, 0, 0, 0, 0,
+     0, 0, 0, 0, 1, 0, 0, 0,
+     0, 0, 0, 1, 1, 0, 0, 0,
+     0, 0, 0, 0, 1, 0, 0, 0,
+     0, 0, 0, 0, 1, 0, 0, 0,
+     0, 0, 0, 0, 1, 0, 0, 0,
+     0, 0, 0, 1, 1, 1, 0, 0,
+     0, 0, 0, 0, 0, 0, 0, 0 };
+
+   GLubyte tex[64][3];
+   GLint i, j;
+
+   /* red on white */
+   for (i=0;i<height;i++) {
+      for (j=0;j<width;j++) {
+         int p = i*width+j;
+         if (tex1[(height-i-1)*width+j]) {
+            tex[p][0] = 255;   tex[p][1] = 0;     tex[p][2] = 0;
+         }
+         else {
+            tex[p][0] = 255;   tex[p][1] = 255;   tex[p][2] = 255;
+         }
+      }
+   }
+
+   glTexImage2D( GL_TEXTURE_2D, 0, 3, width, height, 0,
+                 GL_RGB, GL_UNSIGNED_BYTE, tex );
+}
+
+
+static void
+second_texture(void)
+{
+   static int width=8, height=8;
+
+   static GLubyte tex2[] = {
+     0, 0, 0, 0, 0, 0, 0, 0,
+     0, 0, 0, 2, 2, 0, 0, 0,
+     0, 0, 2, 0, 0, 2, 0, 0,
+     0, 0, 0, 0, 0, 2, 0, 0,
+     0, 0, 0, 0, 2, 0, 0, 0,
+     0, 0, 0, 2, 0, 0, 0, 0,
+     0, 0, 2, 2, 2, 2, 0, 0,
+     0, 0, 0, 0, 0, 0, 0, 0 };
+
+   GLubyte tex[64][3];
+   GLint i, j;
+
+   /* green on blue */
+   for (i=0;i<height;i++) {
+      for (j=0;j<width;j++) {
+         int p = i*width+j;
+         if (tex2[(height-i-1)*width+j]) {
+            tex[p][0] = 0;     tex[p][1] = 255;   tex[p][2] = 0;
+         }
+         else {
+            tex[p][0] = 0;     tex[p][1] = 0;     tex[p][2] = 255;
+         }
+      }
+   }
+#if 0
+   glTexImage2D( GL_TEXTURE_2D, 0, 3, width, height, 0,
+                 GL_RGB, GL_UNSIGNED_BYTE, tex );
+#else
+   glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height,
+                 GL_RGB, GL_UNSIGNED_BYTE, tex );
+#endif
+}
+
+
+
+static void draw( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   glColor3f( 1.0, 1.0, 1.0 );
+
+   /* draw first polygon */
+   glPushMatrix();
+   glTranslatef( -1.0, 0.0, 0.0 );
+   glRotatef( Angle, 0.0, 0.0, 1.0 );
+
+   first_texture();
+
+   glBegin( GL_POLYGON );
+   glTexCoord2f( 0.0, 0.0 );   glVertex2f( -1.0, -1.0 );
+   glTexCoord2f( 1.0, 0.0 );   glVertex2f(  1.0, -1.0 );
+   glTexCoord2f( 1.0, 1.0 );   glVertex2f(  1.0,  1.0 );
+   glTexCoord2f( 0.0, 1.0 );   glVertex2f( -1.0,  1.0 );
+   glEnd();
+   glPopMatrix();
+
+   /* draw second polygon */
+   glPushMatrix();
+   glTranslatef( 1.0, 0.0, 0.0 );
+   glRotatef( Angle-90.0, 0.0, 1.0, 0.0 );
+
+   second_texture();
+
+   glBegin( GL_POLYGON );
+   glTexCoord2f( 0.0, 0.0 );   glVertex2f( -1.0, -1.0 );
+   glTexCoord2f( 1.0, 0.0 );   glVertex2f(  1.0, -1.0 );
+   glTexCoord2f( 1.0, 1.0 );   glVertex2f(  1.0,  1.0 );
+   glTexCoord2f( 0.0, 1.0 );   glVertex2f( -1.0,  1.0 );
+   glEnd();
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+
+static void idle( void )
+{
+   static double t0 = -1.;
+   double dt, t = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
+   if (t0 < 0.0)
+      t0 = t;
+   dt = t - t0;
+   t0 = t;
+   Angle += 120.0*dt;
+   glutPostRedisplay();
+}
+
+
+
+/* change view Angle, exit upon ESC */
+static void key(unsigned char k, int x, int y)
+{
+   (void) x;
+   (void) y;
+   switch (k) {
+   case 'a':
+      Anim = !Anim;
+      if (Anim)
+         glutIdleFunc( idle );
+      else
+         glutIdleFunc( NULL );
+      break;
+   case 27:
+      glutDestroyWindow(Window);
+      exit(0);
+   }
+}
+
+
+
+/* new window size or exposure */
+static void reshape( int width, int height )
+{
+   glViewport(0, 0, (GLint)width, (GLint)height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   /*   glOrtho( -3.0, 3.0, -3.0, 3.0, -10.0, 10.0 );*/
+   glFrustum( -2.0, 2.0, -2.0, 2.0, 6.0, 20.0 );
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -8.0 );
+}
+
+
+static void init( void )
+{
+   /* Setup texturing */
+   glEnable( GL_TEXTURE_2D );
+   glTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL );
+
+
+   glBindTexture( GL_TEXTURE_2D, 0 );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
+}
+
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit(&argc, argv);
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(300, 300);
+   glutInitDisplayMode( GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE );
+
+   Window = glutCreateWindow("Texture Objects");
+   if (!Window) {
+      exit(1);
+   }
+
+   init();
+
+   glutReshapeFunc( reshape );
+   glutKeyboardFunc( key );
+   if (Anim)
+      glutIdleFunc( idle );
+   glutDisplayFunc( draw );
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/tests/zcomp.c b/progs/tests/zcomp.c
new file mode 100644
index 0000000000..b53079d07f
--- /dev/null
+++ b/progs/tests/zcomp.c
@@ -0,0 +1,223 @@
+/**
+ * Test Z compositing with glDrawPixels(GL_DEPTH_COMPONENT) and stencil test.
+ */
+
+#define GL_GLEXT_PROTOTYPES
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+#include "../util/showbuffer.c"
+
+
+static int Win;
+static GLfloat Xrot = 0, Yrot = 0, Zpos = 6;
+static GLboolean Anim = GL_FALSE;
+
+static int Width = 400, Height = 200;
+static GLfloat *Zimg;
+static GLubyte *Cimg;
+static GLboolean showZ = 0;
+
+
+static void
+Idle(void)
+{
+   Xrot += 3.0;
+   Yrot += 4.0;
+   glutPostRedisplay();
+}
+
+
+/**
+ * Draw first object, save color+Z images
+ */
+static void
+DrawFirst(void)
+{
+   static const GLfloat red[4] = { 1.0, 0.0, 0.0, 0.0 };
+
+   glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, red);
+
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   glPushMatrix();
+   glTranslatef(-1, 0, 0);
+   glRotatef(45 + Xrot, 1, 0, 0);
+
+   glutSolidTorus(0.75, 2.0, 10, 20);
+
+   glPopMatrix();
+
+   glReadPixels(0, 0, Width, Height, GL_DEPTH_COMPONENT, GL_FLOAT, Zimg);
+   glReadPixels(0, 0, Width, Height, GL_RGBA, GL_UNSIGNED_BYTE, Cimg);
+}
+
+
+/**
+ * Draw second object.
+ */
+static void
+DrawSecond(void)
+{
+   static const GLfloat blue[4] = { 0.0, 0.0, 1.0, 0.0 };
+
+   glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, blue);
+
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
+
+   glPushMatrix();
+   glTranslatef(+1, 0, 0);
+   glRotatef(-45 + Xrot, 1, 0, 0);
+
+   glutSolidTorus(0.75, 2.0, 10, 20);
+
+   glPopMatrix();
+}
+
+
+/**
+ * Composite first/saved image over second rendering.
+ */
+static void
+Composite(void)
+{
+   glWindowPos2i(0, 0);
+
+   /* Draw Z values, set stencil where Z test passes */
+   glEnable(GL_STENCIL_TEST);
+   glStencilFunc(GL_ALWAYS, 1, ~0);
+   glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
+   glColorMask(0,0,0,0);
+   glDrawPixels(Width, Height, GL_DEPTH_COMPONENT, GL_FLOAT, Zimg);
+   glColorMask(1,1,1,1);
+
+   /* Draw color where stencil==1 */
+   glStencilFunc(GL_EQUAL, 1, ~0);
+   glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
+   glDisable(GL_DEPTH_TEST);
+   glDrawPixels(Width, Height, GL_RGBA, GL_UNSIGNED_BYTE, Cimg);
+   glEnable(GL_DEPTH_TEST);
+
+   glDisable(GL_STENCIL_TEST);
+}
+
+
+static void
+Draw(void)
+{
+   DrawFirst();
+   DrawSecond();
+   Composite();
+   glutSwapBuffers();
+}
+
+
+static void
+Reshape(int width, int height)
+{
+   GLfloat ar = (float) width / height;
+   glViewport(0, 0, width, height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum(-ar, ar, -1.0, 1.0, 5.0, 30.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -15.0);
+
+   Width = width;
+   Height = height;
+
+   if (Zimg)
+      free(Zimg);
+   if (Cimg)
+      free(Cimg);
+   Zimg = (float *) malloc(width * height * 4);
+   Cimg = (GLubyte *) malloc(width * height * 4);
+}
+
+
+static void
+Key(unsigned char key, int x, int y)
+{
+   const GLfloat step = 1.0;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 'a':
+         Anim = !Anim;
+         if (Anim)
+            glutIdleFunc(Idle);
+         else
+            glutIdleFunc(NULL);
+         break;
+      case 'd':
+         showZ = !showZ;
+         break;
+      case 'z':
+         Zpos -= step;
+         break;
+      case 'Z':
+         Zpos += step;
+         break;
+      case 27:
+         glutDestroyWindow(Win);
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+SpecialKey(int key, int x, int y)
+{
+   const GLfloat step = 3.0;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case GLUT_KEY_UP:
+         Xrot -= step;
+         break;
+      case GLUT_KEY_DOWN:
+         Xrot += step;
+         break;
+      case GLUT_KEY_LEFT:
+         Yrot -= step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Yrot += step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+Init(void)
+{
+   /* setup lighting, etc */
+   glEnable(GL_DEPTH_TEST);
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   glutInit(&argc, argv);
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(Width, Height);
+   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH | GLUT_STENCIL);
+   Win = glutCreateWindow(argv[0]);
+   glutReshapeFunc(Reshape);
+   glutKeyboardFunc(Key);
+   glutSpecialFunc(SpecialKey);
+   glutDisplayFunc(Draw);
+   if (Anim)
+      glutIdleFunc(Idle);
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/tests/zdrawpix.c b/progs/tests/zdrawpix.c
new file mode 100644
index 0000000000..dd222e7dd0
--- /dev/null
+++ b/progs/tests/zdrawpix.c
@@ -0,0 +1,192 @@
+/**
+ * Test glDrawPixels(GL_DEPTH_COMPONENT)
+ *
+ * We load a window-sized buffer of Z values so that Z=1 at the top and
+ * Z=0 at the bottom (and interpolate between).
+ * We draw that image into the Z buffer, then draw an ordinary cube.
+ * The bottom part of the cube should be "clipped" where the cube fails
+ * the Z test.
+ *
+ * Press 'd' to view the Z buffer as a grayscale image.
+ */
+
+#define GL_GLEXT_PROTOTYPES
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+#include "../util/showbuffer.c"
+
+
+static int Win;
+static GLfloat Xrot = 50, Yrot = 40, Zpos = 6;
+static GLboolean Anim = GL_FALSE;
+
+static int Width = 200, Height = 200;
+static GLfloat *z;
+static GLboolean showZ = 0;
+
+
+static void
+Idle(void)
+{
+   Xrot += 3.0;
+   Yrot += 4.0;
+   glutPostRedisplay();
+}
+
+
+static void
+Draw(void)
+{
+   glClearColor(0, 0, 0.5, 0);
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+#if 1
+   glColor3f(1, 0, 0);
+   glWindowPos2i(0,0);
+   glColorMask(0,0,0,0);
+   glDrawPixels(Width, Height, GL_DEPTH_COMPONENT, GL_FLOAT, z);
+#elif 0
+   glPushMatrix();
+   glTranslatef(-0.75, 0, Zpos);
+   glutSolidSphere(1.0, 20, 10);
+   glPopMatrix();
+#endif
+   glColorMask(1,1,1,1);
+
+   /* draw cube */
+   glPushMatrix();
+   glTranslatef(0, 0, Zpos);
+   glRotatef(Xrot, 1, 0, 0);
+   glRotatef(Yrot, 0, 1, 0);
+   glutSolidCube(2.0);
+   glPopMatrix();
+
+#if 0
+   /* drawpixels after cube */
+   glColor3f(1, 0, 0);
+   glWindowPos2i(0,0);
+   //glColorMask(0,0,0,0);
+   glDrawPixels(Width, Height, GL_DEPTH_COMPONENT, GL_FLOAT, z);
+#endif
+
+   if (showZ) {
+      ShowDepthBuffer(Width, Height, 0.0, 1.0);
+   }
+
+   glutSwapBuffers();
+}
+
+
+static void
+Reshape(int width, int height)
+{
+   glViewport(0, 0, width, height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 30.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -15.0);
+
+   Width = width;
+   Height = height;
+
+   z = (float *) malloc(width * height * 4);
+   {
+      int i, j, k = 0;
+      for (i = 0; i < height; i++) {
+         float zval = (float) i / (height - 1);
+         for (j = 0; j < width; j++) {
+            z[k++] = zval;
+         }
+      }
+   }
+}
+
+
+static void
+Key(unsigned char key, int x, int y)
+{
+   const GLfloat step = 1.0;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 'a':
+         Anim = !Anim;
+         if (Anim)
+            glutIdleFunc(Idle);
+         else
+            glutIdleFunc(NULL);
+         break;
+      case 'd':
+         showZ = !showZ;
+         break;
+      case 'z':
+         Zpos -= step;
+         break;
+      case 'Z':
+         Zpos += step;
+         break;
+      case 27:
+         glutDestroyWindow(Win);
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+SpecialKey(int key, int x, int y)
+{
+   const GLfloat step = 3.0;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case GLUT_KEY_UP:
+         Xrot -= step;
+         break;
+      case GLUT_KEY_DOWN:
+         Xrot += step;
+         break;
+      case GLUT_KEY_LEFT:
+         Yrot -= step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Yrot += step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+Init(void)
+{
+   /* setup lighting, etc */
+   glEnable(GL_DEPTH_TEST);
+   glEnable(GL_LIGHTING);
+   glEnable(GL_LIGHT0);
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   glutInit(&argc, argv);
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(400, 400);
+   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
+   Win = glutCreateWindow(argv[0]);
+   glutReshapeFunc(Reshape);
+   glutKeyboardFunc(Key);
+   glutSpecialFunc(SpecialKey);
+   glutDisplayFunc(Draw);
+   if (Anim)
+      glutIdleFunc(Idle);
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/trivial/.gitignore b/progs/trivial/.gitignore
index 1c49fdd55f..a6629446d1 100644
--- a/progs/trivial/.gitignore
+++ b/progs/trivial/.gitignore
@@ -1,25 +1,45 @@
 clear
+clear-fbo
+clear-fbo-tex
+clear-scissor
+clear-undefined
 dlist-dangling
 dlist-edgeflag
 dlist-edgeflag-dangling
 drawarrays
 drawelements
 drawrange
+extfuncs.h
+flat-clip
+fs-tri
 line
 line-clip
 line-cull
+line-smooth
+line-stipple-wide
 line-userclip
 line-userclip-clip
 line-userclip-nop
 line-userclip-nop-clip
+line-wide
 lineloop
 lineloop-clip
+lineloop-elts
+linestrip
+linestrip-flat-stipple
+linestrip-stipple
+linestrip-stipple-wide
+pgon-mode
 point
 point-clip
 point-param
+point-sprite
 point-wide
+point-wide-smooth
 poly
 poly-flat
+poly-flat-clip
+poly-flat-unfilled-clip
 poly-unfilled
 quad
 quad-clip
@@ -32,33 +52,64 @@ quad-offset-unfilled
 quad-offset-units
 quad-tex-2d
 quad-tex-3d
+quad-tex-alpha
 quad-tex-pbo
 quad-unfilled
+quad-unfilled-clip
+quad-unfilled-stipple
 quads
 quadstrip
+quadstrip-cont
 quadstrip-flat
 readtex.c
 readtex.h
 tri
+tri-alpha
 tri-blend
+tri-blend-color
+tri-blend-max
+tri-blend-min
+tri-blend-revsub
+tri-blend-sub
 tri-clip
 tri-cull
+tri-cull-both
 tri-dlist
 tri-edgeflag
+trifan
+trifan-flat
+trifan-flat-clip
+trifan-flat-unfilled-clip
+trifan-unfilled
+tri-fbo
+tri-fbo-tex
 tri-flat
 tri-flat-clip
+tri-fog
+tri-mask-tri
+tri-orig
+tri-query
+tri-scissor-tri
+tri-stencil
 tri-tex-3d
+tri-tri
 tri-unfilled
 tri-unfilled-clip
+tri-unfilled-edgeflag
 tri-unfilled-smooth
 tri-unfilled-userclip
+tri-unfilled-userclip-stip
 tri-userclip
+tri-z
+tri-z-eq
 tristrip
 tristrip-clip
+tristrip-flat
 vbo-drawarrays
 vbo-drawelements
 vbo-drawrange
 vp-array
+vp-array-int
 vp-clip
 vp-line-clip
 vp-tri
diff --git a/progs/trivial/Makefile b/progs/trivial/Makefile
index 36a5548488..3f26798ca6 100644
--- a/progs/trivial/Makefile
+++ b/progs/trivial/Makefile
@@ -11,70 +11,128 @@ include $(TOP)/configs/current
 LIBS = -L$(TOP)/$(LIB_DIR) -l$(GLUT_LIB) -l$(GLU_LIB) -l$(GL_LIB) $(APP_LIB_DEPS)
 
 SOURCES = \
+	clear-fbo-tex.c \
+	clear-fbo.c \
+	clear-scissor.c \
+	clear-undefined.c \
 	clear.c \
+	dlist-dangling.c \
+	dlist-edgeflag-dangling.c \
+	dlist-edgeflag.c \
+	dlist-degenerate.c \
+	drawarrays.c \
+	drawelements.c \
+	drawrange.c \
+	flat-clip.c \
+	fs-tri.c \
 	line-clip.c \
 	line-cull.c \
+	line-smooth.c \
+	line-stipple-wide.c \
 	line-userclip-clip.c \
 	line-userclip-nop-clip.c \
 	line-userclip-nop.c \
 	line-userclip.c \
+	line-wide.c \
 	line.c \
 	lineloop-clip.c \
+	lineloop-elts.c \
 	lineloop.c \
-	point.c \
+	linestrip-flat-stipple.c \
+	linestrip-stipple-wide.c \
+	linestrip-stipple.c \
+	linestrip.c \
+	long-fixed-func.c \
+	pgon-mode.c \
 	point-clip.c \
 	point-param.c \
+	point-sprite.c \
 	point-wide.c \
+	point-wide-smooth.c \
+	point.c \
 	poly-flat.c \
+	poly-flat-clip.c \
+	poly-flat-unfilled-clip.c \
 	poly-unfilled.c \
 	poly.c \
-	quad-clip.c \
 	quad-clip-all-vertices.c \
 	quad-clip-nearplane.c \
+	quad-clip.c \
 	quad-degenerate.c \
 	quad-flat.c \
 	quad-offset-factor.c \
-	quad-offset-units.c \
 	quad-offset-unfilled.c \
-	quad-unfilled.c \
+	quad-offset-units.c \
 	quad-tex-2d.c \
-	quad-tex-pbo.c \
 	quad-tex-3d.c \
+	quad-tex-alpha.c \
+	quad-tex-pbo.c \
+	quad-unfilled-clip.c \
+	quad-unfilled-stipple.c \
+	quad-unfilled.c \
 	quad.c \
 	quads.c \
-	quadstrip.c \
+	quadstrip-cont.c \
 	quadstrip-flat.c \
-	dlist-edgeflag.c \
-	dlist-dangling.c \
-	dlist-edgeflag-dangling.c \
-	dlist-degenerate.c \
-	drawrange.c \
-	drawelements.c \
-	drawarrays.c \
+	quadstrip.c \
+	tri-alpha.c \
+	tri-blend-color.c \
+	tri-blend-max.c \
+	tri-blend-min.c \
+	tri-blend-revsub.c \
+	tri-blend-sub.c \
 	tri-blend.c \
-	tri-tex-3d.c \
 	tri-clip.c \
+	tri-cull-both.c \
 	tri-cull.c \
+	tri-dlist.c \
 	tri-edgeflag.c \
+	tri-fbo-tex.c \
+	tri-fbo.c \
 	tri-flat-clip.c \
 	tri-flat.c \
+	tri-fog.c \
+	tri-mask-tri.c \
+	tri-orig.c \
+	tri-query.c \
+	tri-scissor-tri.c \
+	tri-stencil.c \
+	tri-tex.c \
+	tri-tex-3d.c \
+	tri-tri.c \
+	tri-unfilled-edgeflag.c \
 	tri-unfilled-clip.c \
 	tri-unfilled-smooth.c \
+	tri-unfilled-userclip-stip.c \
 	tri-unfilled-userclip.c \
 	tri-unfilled.c \
 	tri-userclip.c \
-	tri-dlist.c \
+	tri-z-eq.c \
+	tri-z.c \
 	tri.c \
+	trifan-flat.c \
+	trifan-flat-clip.c \
+	trifan-flat-unfilled-clip.c \
+	trifan-unfilled.c \
+	trifan.c \
 	tristrip-clip.c \
+	tristrip-flat.c \
 	tristrip.c \
-	vbo-drawrange.c \
-	vbo-drawelements.c \
 	vbo-drawarrays.c \
+	vbo-drawelements.c \
+	vbo-drawrange.c \
+	vp-array.c \
+	vp-array-int.c \
 	vp-clip.c \
-	vp-tri.c \
 	vp-line-clip.c \
-	vp-unfilled.c \
-	vp-array.c 
+	vp-tri.c \
+	vp-tri-swap.c \
+	vp-tri-tex.c \
+	vp-tri-imm.c \
+	vp-tri-cb.c \
+	vp-tri-cb-pos.c \
+	vp-tri-cb-tex.c \
+	vp-unfilled.c 
 
 PROGS = $(SOURCES:%.c=%)
 
@@ -89,13 +147,13 @@ UTIL_FILES = readtex.h readtex.c
 .SUFFIXES: .c
 
 .c:
-	$(CC) $(INCLUDES) $(CFLAGS) $(LDFLAGS) $< $(LIBS) -o $@
+	$(APP_CC) $(INCLUDES) $(CFLAGS) $(LDFLAGS) $< $(LIBS) -o $@
 
 .c.o:
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
 
 .S.o:
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES)  $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES)  $< -o $@
 
 
 ##### TARGETS #####
@@ -116,19 +174,19 @@ getproclist.h: $(TOP)/src/mesa/glapi/gl_API.xml getprocaddress.c getprocaddress.
 
 
 texrect: texrect.o readtex.o
-	$(CC) $(CFLAGS) $(LDFLAGS) texrect.o readtex.o $(LIBS) -o $@
+	$(APP_CC) $(CFLAGS) $(LDFLAGS) texrect.o readtex.o $(LIBS) -o $@
 
 texrect.o: texrect.c readtex.h
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
 
 invert: invert.o readtex.o
-	$(CC) $(CFLAGS) $(LDFLAGS) invert.o readtex.o $(LIBS) -o $@
+	$(APP_CC) $(CFLAGS) $(LDFLAGS) invert.o readtex.o $(LIBS) -o $@
 
 invert.o: invert.c readtex.h
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
 
 readtex.o: readtex.c
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
 
 
 readtex.h: $(TOP)/progs/util/readtex.h
@@ -138,6 +196,11 @@ readtex.c: $(TOP)/progs/util/readtex.c
 	ln -s $(TOP)/progs/util/readtex.c .
 
 
+fs-tri: fs-tri.c extfuncs.h
+
+
+extfuncs.h:  $(TOP)/progs/util/extfuncs.h
+	cp $< .
 
 
 # Emacs tags
diff --git a/progs/trivial/clear-fbo-tex.c b/progs/trivial/clear-fbo-tex.c
new file mode 100644
index 0000000000..68f1ab3d77
--- /dev/null
+++ b/progs/trivial/clear-fbo-tex.c
@@ -0,0 +1,220 @@
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <string.h>
+
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+
+
+static GLenum TexTarget = GL_TEXTURE_2D;
+static int TexWidth = 512, TexHeight = 512;
+static GLenum TexIntFormat = GL_RGBA; /* either GL_RGB or GL_RGBA */
+
+static int Width = 512, Height = 512;
+static GLuint MyFB, TexObj;
+
+
+#define CheckError() assert(glGetError() == 0)
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+
+   if (!glutExtensionSupported("GL_EXT_framebuffer_object")) {
+      printf("GL_EXT_framebuffer_object not found!\n");
+      exit(0);
+   }
+
+
+   glGenFramebuffersEXT(1, &MyFB);
+   glGenTextures(1, &TexObj);
+
+   /* Make texture object/image */
+   glBindTexture(TexTarget, TexObj);
+   glTexParameteri(TexTarget, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+   glTexParameteri(TexTarget, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+   glTexParameteri(TexTarget, GL_TEXTURE_BASE_LEVEL, 0);
+   glTexParameteri(TexTarget, GL_TEXTURE_MAX_LEVEL, 0);
+
+   glTexImage2D(TexTarget, 0, TexIntFormat, TexWidth, TexHeight, 0,
+                GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+
+
+   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+
+
+
+   {
+      glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB);
+
+      glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
+				TexTarget, TexObj, 0);
+      
+
+      glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+   }
+
+}
+
+
+
+static void
+Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+   glMatrixMode( GL_MODELVIEW );
+
+   Width = width;
+   Height = height;
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+
+
+static void Draw( void )
+{
+
+
+   /* draw to texture image */
+   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB);
+//   glDrawBuffer(GL_COLOR_ATTACHMENT1_EXT);
+//   glReadBuffer(GL_COLOR_ATTACHMENT1_EXT);
+
+   
+   glViewport(0, 0, TexWidth, TexHeight);
+   CheckError();
+
+   glClearColor(0.5, 0.5, 1.0, 0.0);
+   glClear(GL_COLOR_BUFFER_BIT);
+   CheckError();
+
+   if (0) {
+      glBegin(GL_TRIANGLES);
+      glColor3f(0,0,.7); 
+      glVertex3f( 0.9, -0.9, -30.0);
+      glColor3f(.8,0,0); 
+      glVertex3f( 0.9,  0.9, -30.0);
+      glColor3f(0,.9,0); 
+      glVertex3f(-0.9,  0.0, -30.0);
+      glEnd();
+   }
+
+   {
+      GLubyte *buffer = malloc(Width * Height * 4);
+
+      /* read from user framebuffer */
+      glReadPixels(0, 0, Width-60, Height-60, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
+      CheckError();
+
+      /* draw to window */
+      glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+      glViewport(0, 0, Width, Height);
+
+      /* Try to clear the window, but will overwrite:
+       */
+      glClearColor(0.8, 0.8, 0, 0.0);
+      glClear(GL_COLOR_BUFFER_BIT);
+
+      glWindowPos2iARB(30, 30);
+      glDrawPixels(Width-60, Height-60, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
+      
+      free(buffer);
+   }
+   
+   /* Bind normal framebuffer */
+   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+   glViewport(0, 0, Width, Height);
+
+   if (0) {
+      glBegin(GL_TRIANGLES);
+      glColor3f(0,.7,0); 
+      glVertex3f( 0.5, -0.5, -30.0);
+      glColor3f(0,0,.8); 
+      glVertex3f( 0.5,  0.5, -30.0);
+      glColor3f(.9,0,0); 
+      glVertex3f(-0.5,  0.0, -30.0);
+      glEnd();
+   }
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+
+   CheckError();
+}
+
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+
+
+int
+main( int argc, char *argv[] )
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(100, 0); glutInitWindowSize( Width, Height );
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow(argv[0]) == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+    return 0;
+}
diff --git a/progs/trivial/clear-fbo.c b/progs/trivial/clear-fbo.c
new file mode 100644
index 0000000000..82218ed498
--- /dev/null
+++ b/progs/trivial/clear-fbo.c
@@ -0,0 +1,205 @@
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <string.h>
+
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+
+
+static int Width = 512, Height = 512;
+static GLuint MyFB, MyRB;
+
+
+#define CheckError() assert(glGetError() == 0)
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+
+   if (!glutExtensionSupported("GL_EXT_framebuffer_object")) {
+      printf("GL_EXT_framebuffer_object not found!\n");
+      exit(0);
+   }
+
+
+   glGenFramebuffersEXT(1, &MyFB);
+   glGenRenderbuffersEXT(1, &MyRB);
+
+   {
+      glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB);
+
+      glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, MyRB);
+
+      glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT1_EXT,
+				   GL_RENDERBUFFER_EXT, MyRB);
+
+      glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGB, Width, Height);
+
+      glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+   }
+
+}
+
+
+
+static void
+Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+   glMatrixMode( GL_MODELVIEW );
+
+   Width = width;
+   Height = height;
+   glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGB, Width, Height);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+
+
+static void Draw( void )
+{
+
+   /* draw to user framebuffer */
+   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB);
+   glDrawBuffer(GL_COLOR_ATTACHMENT1_EXT);
+   glReadBuffer(GL_COLOR_ATTACHMENT1_EXT);
+
+   
+   glViewport(0, 0, Width, Height);
+   CheckError();
+
+   glClearColor(0.5, 0.5, 1.0, 0.0);
+   glClear(GL_COLOR_BUFFER_BIT);
+   CheckError();
+
+   if (0) {
+      glBegin(GL_TRIANGLES);
+      glColor3f(0,0,.7); 
+      glVertex3f( 0.9, -0.9, -30.0);
+      glColor3f(.8,0,0); 
+      glVertex3f( 0.9,  0.9, -30.0);
+      glColor3f(0,.9,0); 
+      glVertex3f(-0.9,  0.0, -30.0);
+      glEnd();
+   }
+
+   {
+      GLubyte *buffer = malloc(Width * Height * 4);
+
+      /* read from user framebuffer */
+      glReadPixels(0, 0, Width-60, Height-60, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
+      CheckError();
+
+      /* draw to window */
+      glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+      glViewport(0, 0, Width, Height);
+
+      /* Try to clear the window, but will overwrite:
+       */
+      glClearColor(0.8, 0.8, 0, 0.0);
+      glClear(GL_COLOR_BUFFER_BIT);
+
+      glWindowPos2iARB(30, 30);
+      glDrawPixels(Width-60, Height-60, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
+      
+      free(buffer);
+   }
+   
+   /* Bind normal framebuffer */
+   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+   glViewport(0, 0, Width, Height);
+
+   if (0) {
+      glBegin(GL_TRIANGLES);
+      glColor3f(0,.7,0); 
+      glVertex3f( 0.5, -0.5, -30.0);
+      glColor3f(0,0,.8); 
+      glVertex3f( 0.5,  0.5, -30.0);
+      glColor3f(.9,0,0); 
+      glVertex3f(-0.5,  0.0, -30.0);
+      glEnd();
+   }
+
+   if (doubleBuffer)
+      glutSwapBuffers();
+   else
+      glFinish();
+
+   CheckError();
+}
+
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+
+
+int
+main( int argc, char *argv[] )
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(100, 0); glutInitWindowSize( Width, Height );
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow(argv[0]) == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+    return 0;
+}
diff --git a/progs/trivial/clear-scissor.c b/progs/trivial/clear-scissor.c
new file mode 100644
index 0000000000..5e2025bed7
--- /dev/null
+++ b/progs/trivial/clear-scissor.c
@@ -0,0 +1,118 @@
+/*
+ * glClear + glScissor
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+GLenum doubleBuffer;
+GLint Width = 200, Height = 150;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+}
+
+static void Reshape(int width, int height)
+{
+   Width = width;
+   Height = height;
+
+   glViewport(0, 0, (GLint)width, (GLint)height);
+
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+   glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glEnable(GL_SCISSOR_TEST);
+
+   glClearColor(1, 0, 0, 0);
+   glScissor(0, 0, Width / 2, Height / 2);
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glClearColor(0, 1, 0, 0);
+   glScissor(Width / 2, 0, Width - Width / 2, Height / 2);
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glClearColor(0, 0, 1, 0);
+   glScissor(0, Height / 2, Width / 2, Height - Height / 2);
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glClearColor(1, 1, 1, 0);
+   glScissor(Width / 2, Height / 2, Width - Width / 2, Height - Height / 2);
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( Width, Height );
+
+    type = GLUT_RGB | GLUT_ALPHA;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow(argv[0]) == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+    return 0;
+}
diff --git a/progs/trivial/clear-undefined.c b/progs/trivial/clear-undefined.c
new file mode 100644
index 0000000000..ce066bf8e6
--- /dev/null
+++ b/progs/trivial/clear-undefined.c
@@ -0,0 +1,137 @@
+/*
+ * glClear + glScissor + Undefined content of framebuffer
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+GLenum doubleBuffer;
+GLint Width = 200, Height = 150;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fprintf(stderr, "Top right corner should be red\n");
+}
+
+static void Reshape(int width, int height)
+{
+   Width = width;
+   Height = height;
+
+   glViewport(0, 0, (GLint)width, (GLint)height);
+
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+   glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	glutPostRedisplay();
+	return;
+    }
+
+}
+
+static void Draw(void)
+{
+   glColor4f(1.0, 0.0, 0.0, 1.0);
+   glBegin(GL_QUADS);
+   glVertex2d(0.0, 0.0);
+   glVertex2d(0.0, 1.0);
+   glVertex2d(1.0, 1.0);
+   glVertex2d(1.0, 0.0);
+   glEnd();
+
+   glBegin(GL_QUADS);
+   glVertex2d(0.0,  0.0);
+   glVertex2d(0.0, -1.0);
+   glVertex2d(1.0, -1.0);
+   glVertex2d(1.0,  0.0);
+   glEnd();
+
+   glEnable(GL_SCISSOR_TEST);
+   glClearColor(1, 1, 0, 0);
+   glScissor(Width / 2, 0, Width - Width / 2, Height / 2);
+   glClear(GL_COLOR_BUFFER_BIT);
+
+   glClearColor(0, 0, 1, 0);
+   glScissor(0, Height / 2, Width / 2, Height - Height / 2);
+   glClear(GL_COLOR_BUFFER_BIT);
+   glDisable(GL_SCISSOR_TEST);
+
+   glColor4f(0.0, 1.0, 0.0, 1.0);
+   glBegin(GL_QUADS);
+   glVertex2d( 0.0,  0.0);
+   glVertex2d( 0.0, -1.0);
+   glVertex2d(-1.0, -1.0);
+   glVertex2d(-1.0,  0.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_TRUE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( Width, Height );
+
+
+    type = GLUT_RGB | GLUT_ALPHA;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow(argv[0]) == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+	Reshape(Width, Height);
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+    return 0;
+}
diff --git a/progs/trivial/clear.c b/progs/trivial/clear.c
index 7e7ca588c3..da4fff0459 100644
--- a/progs/trivial/clear.c
+++ b/progs/trivial/clear.c
@@ -59,7 +59,7 @@ static void Key(unsigned char key, int x, int y)
 
     switch (key) {
       case 27:
-	exit(1);
+	exit(0);
       default:
 	return;
     }
@@ -106,9 +106,10 @@ int main(int argc, char **argv)
 	exit(1);
     }
 
-    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+    glutInitWindowPosition(0, 0);
+    glutInitWindowSize( 256, 256);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
@@ -122,5 +123,5 @@ int main(int argc, char **argv)
     glutKeyboardFunc(Key);
     glutDisplayFunc(Draw);
     glutMainLoop();
-	return 0;
+    return 0;
 }
diff --git a/progs/trivial/createwin.c b/progs/trivial/createwin.c
new file mode 100644
index 0000000000..901048555a
--- /dev/null
+++ b/progs/trivial/createwin.c
@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+//    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/dlist-dangling.c b/progs/trivial/dlist-dangling.c
index 97f878e96b..00a7507844 100644
--- a/progs/trivial/dlist-dangling.c
+++ b/progs/trivial/dlist-dangling.c
@@ -131,7 +131,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/dlist-edgeflag-dangling.c b/progs/trivial/dlist-edgeflag-dangling.c
index 47d29bdade..08fae549c3 100644
--- a/progs/trivial/dlist-edgeflag-dangling.c
+++ b/progs/trivial/dlist-edgeflag-dangling.c
@@ -136,7 +136,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/dlist-edgeflag.c b/progs/trivial/dlist-edgeflag.c
index b58e7eb435..ae799dc355 100644
--- a/progs/trivial/dlist-edgeflag.c
+++ b/progs/trivial/dlist-edgeflag.c
@@ -140,7 +140,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/flat-clip.c b/progs/trivial/flat-clip.c
new file mode 100644
index 0000000000..dbe17a342e
--- /dev/null
+++ b/progs/trivial/flat-clip.c
@@ -0,0 +1,151 @@
+/**
+ * Test flat shading and clipping.
+ *
+ * Brian Paul
+ * 30 August 2007
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+static int Win;
+static GLfloat Scale = 2.0, Zrot = 50;
+static GLenum Mode = GL_LINE_LOOP;
+static GLboolean Smooth = 0;
+static GLenum PolygonMode = GL_FILL;
+
+
+static void
+Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   if (Smooth)
+      glShadeModel(GL_SMOOTH);
+   else
+      glShadeModel(GL_FLAT);
+
+   glPushMatrix();
+   glScalef(Scale, Scale, 1);
+   glRotatef(Zrot, 0, 0, 1);
+
+   glPolygonMode(GL_FRONT_AND_BACK, PolygonMode);
+
+   glBegin(Mode);
+   glColor3f(1, 0, 0);
+   glVertex2f(-1, -1);
+   glColor3f(0, 1, 0);
+   glVertex2f( 2, -1);
+   glColor3f(0, 0, 1);
+   glVertex2f( 0, 1);
+   glEnd();
+
+   glPushMatrix();
+   glScalef(0.9, 0.9, 1);
+   glBegin(Mode);
+   glColor3f(1, 0, 0);
+   glVertex2f( 0, 1);
+
+   glColor3f(0, 0, 1);
+   glVertex2f( 2, -1);
+
+   glColor3f(0, 1, 0);
+   glVertex2f(-1, -1);
+
+   glEnd();
+   glPopMatrix();
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void
+Reshape(int width, int height)
+{
+   glViewport(0, 0, width, height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 25.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -15.0);
+}
+
+
+static void
+Key(unsigned char key, int x, int y)
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 'p':
+         if (Mode == GL_TRIANGLES)
+            Mode = GL_LINE_LOOP;
+         else
+            Mode = GL_TRIANGLES;
+         break;
+      case 'f':
+         if (PolygonMode == GL_POINT)
+            PolygonMode = GL_LINE;
+         else if (PolygonMode == GL_LINE)
+            PolygonMode = GL_FILL;
+         else
+            PolygonMode = GL_POINT;
+         printf("PolygonMode = 0x%x\n", PolygonMode);
+         break;
+      case 'r':
+         Zrot -= 5.0;
+         break;
+      case 'R':
+         Zrot += 5.0;
+         break;
+      case 'z':
+         Scale *= 1.1;
+         break;
+      case 'Z':
+         Scale /= 1.1;
+         break;
+      case 's':
+         Smooth = !Smooth;
+         break;
+      case 27:
+         glutDestroyWindow(Win);
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+Init(void)
+{
+   printf("Usage:\n");
+   printf("  z/Z:  change triangle size\n");
+   printf("  r/R:  rotate\n");
+   printf("  p:    toggle line/fill mode\n");
+   printf("  s:    toggle smooth/flat shading\n");
+   printf("  f:    switch polygon fill mode\n");
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   glutInit(&argc, argv);
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(400, 400);
+   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
+   Win = glutCreateWindow(argv[0]);
+   glutReshapeFunc(Reshape);
+   glutKeyboardFunc(Key);
+   glutDisplayFunc(Draw);
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/trivial/fs-tri.c b/progs/trivial/fs-tri.c
new file mode 100644
index 0000000000..3be4d42e54
--- /dev/null
+++ b/progs/trivial/fs-tri.c
@@ -0,0 +1,212 @@
+/* Test fragment shader */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/gl.h>
+#include <GL/glut.h>
+#include <GL/glext.h>
+#include "extfuncs.h"
+
+
+static GLuint fragShader;
+static GLuint vertShader;
+static GLuint program;
+static GLint win = 0;
+static GLfloat xpos = 0, ypos = 0;
+
+
+static void
+Redisplay(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   glPushMatrix();
+   glTranslatef(xpos, ypos, 0);
+
+   glBegin(GL_TRIANGLES);
+   glColor3f(1, 0, 0);
+   glVertex2f(-0.9, -0.9);
+   glColor3f(0, 1, 0);
+   glVertex2f( 0.9, -0.9);
+   glColor3f(0, 0, 1);
+   glVertex2f( 0,  0.9);
+   glEnd();
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void
+Reshape(int width, int height)
+{
+   glViewport(0, 0, width, height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(-1, 1, -1, 1, -1, 1);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+}
+
+
+static void
+CleanUp(void)
+{
+   glDeleteShader_func(fragShader);
+   glDeleteShader_func(vertShader);
+   glDeleteProgram_func(program);
+   glutDestroyWindow(win);
+}
+
+
+static void
+Key(unsigned char key, int x, int y)
+{
+  (void) x;
+  (void) y;
+
+   switch(key) {
+   case 27:
+      CleanUp();
+      exit(0);
+      break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+SpecialKey(int key, int x, int y)
+{
+   const GLfloat step = 0.1;
+
+  (void) x;
+  (void) y;
+
+   switch(key) {
+   case GLUT_KEY_UP:
+      ypos += step;
+      break;
+   case GLUT_KEY_DOWN:
+      ypos -= step;
+      break;
+   case GLUT_KEY_LEFT:
+      xpos -= step;
+      break;
+   case GLUT_KEY_RIGHT:
+      xpos += step;
+      break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+LoadAndCompileShader(GLuint shader, const char *text)
+{
+   GLint stat;
+
+   glShaderSource_func(shader, 1, (const GLchar **) &text, NULL);
+
+   glCompileShader_func(shader);
+
+   glGetShaderiv_func(shader, GL_COMPILE_STATUS, &stat);
+   if (!stat) {
+      GLchar log[1000];
+      GLsizei len;
+      glGetShaderInfoLog_func(shader, 1000, &len, log);
+      fprintf(stderr, "fslight: problem compiling shader:\n%s\n", log);
+      exit(1);
+   }
+}
+
+
+static void
+CheckLink(GLuint prog)
+{
+   GLint stat;
+   glGetProgramiv_func(prog, GL_LINK_STATUS, &stat);
+   if (!stat) {
+      GLchar log[1000];
+      GLsizei len;
+      glGetProgramInfoLog_func(prog, 1000, &len, log);
+      fprintf(stderr, "Linker error:\n%s\n", log);
+   }
+}
+
+
+static void
+Init(void)
+{
+   /* fragment color is a function of fragment position: */
+   static const char *fragShaderText =
+      "void main() {\n"
+      "   gl_FragColor = gl_FragCoord * vec4(0.005); \n"
+      "   //gl_FragColor = gl_Color; \n"
+      "   //gl_FragColor = vec4(1, 0, 0.5, 0); \n"
+      "}\n";
+#if 0
+   static const char *vertShaderText =
+      "varying vec3 normal;\n"
+      "void main() {\n"
+      "   gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;\n"
+      "   normal = gl_NormalMatrix * gl_Normal;\n"
+      "}\n";
+#endif
+   const char *version;
+
+   version = (const char *) glGetString(GL_VERSION);
+   if (version[0] != '2' || version[1] != '.') {
+      printf("This program requires OpenGL 2.x, found %s\n", version);
+      exit(1);
+   }
+
+   GetExtensionFuncs();
+
+   fragShader = glCreateShader_func(GL_FRAGMENT_SHADER);
+   LoadAndCompileShader(fragShader, fragShaderText);
+
+#if 0
+   vertShader = glCreateShader_func(GL_VERTEX_SHADER);
+   LoadAndCompileShader(vertShader, vertShaderText);
+#endif
+
+   program = glCreateProgram_func();
+   glAttachShader_func(program, fragShader);
+#if 0
+   glAttachShader_func(program, vertShader);
+#endif
+   glLinkProgram_func(program);
+   CheckLink(program);
+   glUseProgram_func(program);
+
+   assert(glGetError() == 0);
+
+   glClearColor(0.3f, 0.3f, 0.3f, 0.0f);
+
+   printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   glutInit(&argc, argv);
+   glutInitWindowPosition( 0, 0);
+   glutInitWindowSize(200, 200);
+   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
+   win = glutCreateWindow(argv[0]);
+   glutReshapeFunc(Reshape);
+   glutKeyboardFunc(Key);
+   glutSpecialFunc(SpecialKey);
+   glutDisplayFunc(Redisplay);
+   Init();
+   glutMainLoop();
+   return 0;
+}
+
+
diff --git a/progs/trivial/line-clip.c b/progs/trivial/line-clip.c
index 9acd12acc7..fd79d049c4 100644
--- a/progs/trivial/line-clip.c
+++ b/progs/trivial/line-clip.c
@@ -122,7 +122,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/line-cull.c b/progs/trivial/line-cull.c
index 8999a8f0b1..038004b4c4 100644
--- a/progs/trivial/line-cull.c
+++ b/progs/trivial/line-cull.c
@@ -118,7 +118,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/line-smooth.c b/progs/trivial/line-smooth.c
new file mode 100644
index 0000000000..f030de9b9f
--- /dev/null
+++ b/progs/trivial/line-smooth.c
@@ -0,0 +1,172 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+GLboolean smooth = GL_TRUE;
+GLfloat width = 1.0;
+
+
+static void Init(void)
+{
+   float range[2], aarange[2];
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   glGetFloatv(GL_LINE_WIDTH_RANGE, aarange);
+   glGetFloatv(GL_ALIASED_LINE_WIDTH_RANGE, range);
+   printf("Non-AA line width range: %f .. %f\n", range[0], range[1]);
+   printf("AA line width range: %f .. %f\n", aarange[0], aarange[1]);
+}
+
+
+static void Reshape(int width, int height)
+{
+   glViewport(0, 0, (GLint)width, (GLint)height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0, 0, -30);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+   switch (key) {
+   case 'w':
+      width -= 0.5;
+      if (width < 0.5)
+         width = 0.5;
+      break;
+   case 'W':
+      width += 0.5;
+      break;
+   case 's':
+      smooth = !smooth;
+      break;
+   case 27:
+      exit(1);
+   default:
+      return;
+   }
+   printf("LineWidth: %g\n", width);
+   glutPostRedisplay();
+}
+
+
+static void Draw(void)
+{
+   float a;
+
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glLineWidth(width);
+
+   if (smooth) {
+      glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+      glEnable(GL_BLEND);
+      glEnable(GL_LINE_SMOOTH);
+   }
+
+   glColor3f(1, 1, 1);
+
+   glBegin(GL_LINES);
+   for (a = 0; a < 3.14159; a += 0.2) {
+      float x = .9 * cos(a);
+      float y = .9 * sin(a);
+
+      glVertex2f(-x, -y);
+      glVertex2f( x,  y);
+   }
+   glEnd();
+
+   glDisable(GL_LINE_SMOOTH);
+   glDisable(GL_BLEND);
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+   GLint i;
+
+   doubleBuffer = GL_FALSE;
+
+   for (i = 1; i < argc; i++) {
+      if (strcmp(argv[i], "-sb") == 0) {
+         doubleBuffer = GL_FALSE;
+      } else if (strcmp(argv[i], "-db") == 0) {
+         doubleBuffer = GL_TRUE;
+      } else {
+         fprintf(stderr, "%s (Bad option).\n", argv[i]);
+         return GL_FALSE;
+      }
+   }
+   return GL_TRUE;
+}
+
+
+int main(int argc, char **argv)
+{
+   GLenum type;
+
+   glutInit(&argc, argv);
+
+   if (Args(argc, argv) == GL_FALSE) {
+      exit(1);
+   }
+
+   glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+   type = GLUT_RGB;
+   type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+   glutInitDisplayMode(type);
+
+   if (glutCreateWindow(argv[0]) == GL_FALSE) {
+      exit(1);
+   }
+
+   Init();
+
+   glutReshapeFunc(Reshape);
+   glutKeyboardFunc(Key);
+   glutDisplayFunc(Draw);
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/trivial/line-stipple-wide.c b/progs/trivial/line-stipple-wide.c
new file mode 100644
index 0000000000..09e5e1fe08
--- /dev/null
+++ b/progs/trivial/line-stipple-wide.c
@@ -0,0 +1,148 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glEnable(GL_LINE_STIPPLE);
+   glLineStipple( 5, 0xfffe );
+   glLineWidth( 4 );
+
+   glBegin(GL_LINES);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.9,  0.9, -30.0);
+
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.9,  0.9, -30.0);
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.9,  0.0, -30.0);
+
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.9,  0.0, -30.0);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/line-userclip-clip.c b/progs/trivial/line-userclip-clip.c
index b24d8452bc..5c9c1b3b29 100644
--- a/progs/trivial/line-userclip-clip.c
+++ b/progs/trivial/line-userclip-clip.c
@@ -124,7 +124,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/line-userclip-nop-clip.c b/progs/trivial/line-userclip-nop-clip.c
index e2e0b85a52..a6ee44fbd0 100644
--- a/progs/trivial/line-userclip-nop-clip.c
+++ b/progs/trivial/line-userclip-nop-clip.c
@@ -124,7 +124,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/line-userclip-nop.c b/progs/trivial/line-userclip-nop.c
index eacee06978..cebea5f481 100644
--- a/progs/trivial/line-userclip-nop.c
+++ b/progs/trivial/line-userclip-nop.c
@@ -124,7 +124,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/line-userclip.c b/progs/trivial/line-userclip.c
index 6af91431d0..ecfd28cac7 100644
--- a/progs/trivial/line-userclip.c
+++ b/progs/trivial/line-userclip.c
@@ -124,7 +124,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/line-wide.c b/progs/trivial/line-wide.c
new file mode 100644
index 0000000000..543b1f67f3
--- /dev/null
+++ b/progs/trivial/line-wide.c
@@ -0,0 +1,147 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glLineWidth(4.0);
+
+   glBegin(GL_LINES);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.9,  0.9, -30.0);
+
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.9,  0.9, -30.0);
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.9,  0.0, -30.0);
+
+
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.9,  0.0, -30.0);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/line.c b/progs/trivial/line.c
index 58bad91b05..de5f9274e4 100644
--- a/progs/trivial/line.c
+++ b/progs/trivial/line.c
@@ -71,15 +71,20 @@ static void Draw(void)
 {
    glClear(GL_COLOR_BUFFER_BIT); 
 
-   glBegin(GL_LINE_STRIP);
+   glBegin(GL_LINES);
    glColor3f(0,0,.7); 
    glVertex3f( 0.9, -0.9, -30.0);
    glColor3f(.8,0,0); 
    glVertex3f( 0.9,  0.9, -30.0);
+
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.9,  0.9, -30.0);
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.9,  0.0, -30.0);
+
+
    glColor3f(0,.9,0); 
    glVertex3f(-0.9,  0.0, -30.0);
-   /* Repeat the first vertex - don't have lineloop support in GS yet
-    */
    glColor3f(0,0,.7); 
    glVertex3f( 0.9, -0.9, -30.0);
    glEnd();
diff --git a/progs/trivial/lineloop-clip.c b/progs/trivial/lineloop-clip.c
index d8645ee347..211056720f 100644
--- a/progs/trivial/lineloop-clip.c
+++ b/progs/trivial/lineloop-clip.c
@@ -118,7 +118,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/lineloop-elts.c b/progs/trivial/lineloop-elts.c
new file mode 100644
index 0000000000..96da8e4ad6
--- /dev/null
+++ b/progs/trivial/lineloop-elts.c
@@ -0,0 +1,120 @@
+/* Test rebasing */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+GLfloat verts[][4] = {
+   {  0.9, -0.9, 0.0, 1.0 },
+   {  0.9,  0.9, 0.0, 1.0 },
+   { -0.9,  0.9, 0.0, 1.0 },
+   { -0.9, -0.9, 0.0, 1.0 },
+};
+
+GLubyte color[][4] = {
+   { 0x00, 0x00, 0xff, 0x00 },
+   { 0x00, 0xff, 0x00, 0x00 },
+   { 0xff, 0x00, 0x00, 0x00 },
+   { 0xff, 0xff, 0xff, 0x00 },
+};
+
+GLuint indices[] = { 1, 2, 3 };
+
+static void Init( void )
+{
+   GLint errno;
+   GLuint prognum;
+   
+   static const char *prog1 =
+      "!!ARBvp1.0\n"
+      "MOV  result.color, vertex.color;\n"
+      "MOV  result.position, vertex.position;\n"
+      "END\n";
+
+   glGenProgramsARB(1, &prognum);
+   glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
+   glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+		      strlen(prog1), (const GLubyte *) prog1);
+
+   assert(glIsProgramARB(prognum));
+   errno = glGetError();
+   printf("glGetError = %d\n", errno);
+   if (errno != GL_NO_ERROR)
+   {
+      GLint errorpos;
+
+      glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
+      printf("errorpos: %d\n", errorpos);
+      printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+   }
+
+
+   glEnableClientState( GL_VERTEX_ARRAY );
+   glEnableClientState( GL_COLOR_ARRAY );
+   glVertexPointer( 3, GL_FLOAT, sizeof(verts[0]), verts );
+   glColorPointer( 4, GL_UNSIGNED_BYTE, 0, color );
+
+}
+
+
+
+static void Display( void )
+{
+   glClearColor(0.3, 0.3, 0.3, 1);
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glEnable(GL_VERTEX_PROGRAM_NV);
+
+   /* Should have min_index == 1, maybe force a rebase:
+    */
+   glDrawElements( GL_LINE_LOOP, 3, GL_UNSIGNED_INT, indices );
+
+   glFlush(); 
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   /*glTranslatef( 0.0, 0.0, -15.0 );*/
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 250, 250 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_SINGLE | GLUT_DEPTH );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/trivial/lineloop.c b/progs/trivial/lineloop.c
index 7500c54fc2..fab7d1ea02 100644
--- a/progs/trivial/lineloop.c
+++ b/progs/trivial/lineloop.c
@@ -118,7 +118,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/linestrip-clip.c b/progs/trivial/linestrip-clip.c
new file mode 100644
index 0000000000..acab0f4e1c
--- /dev/null
+++ b/progs/trivial/linestrip-clip.c
@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glBegin(GL_LINE_STRIP);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, -30.0);
+
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.9,  0.9, -30.0);
+
+   glColor3f(0,.9,0); 
+   glVertex3f(-1.9,  0.0, -30.0);
+
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.8, -0.8, -30.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/linestrip-flat-stipple.c b/progs/trivial/linestrip-flat-stipple.c
new file mode 100644
index 0000000000..b691437346
--- /dev/null
+++ b/progs/trivial/linestrip-flat-stipple.c
@@ -0,0 +1,142 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glShadeModel(GL_FLAT);
+   glEnable(GL_LINE_STIPPLE);
+   glLineStipple( 5, 0xfffe );
+
+   glBegin(GL_LINE_STRIP);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.9,  0.9, -30.0);
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.9,  0.0, -30.0);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/linestrip-stipple-wide.c b/progs/trivial/linestrip-stipple-wide.c
new file mode 100644
index 0000000000..53dfa554e9
--- /dev/null
+++ b/progs/trivial/linestrip-stipple-wide.c
@@ -0,0 +1,142 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glEnable(GL_LINE_STIPPLE);
+   glLineStipple( 5, 0xfffe );
+   glLineWidth( 4 );
+
+   glBegin(GL_LINE_STRIP);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.9,  0.9, -30.0);
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.9,  0.0, -30.0);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/linestrip-stipple.c b/progs/trivial/linestrip-stipple.c
new file mode 100644
index 0000000000..5933d1a136
--- /dev/null
+++ b/progs/trivial/linestrip-stipple.c
@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glEnable(GL_LINE_STIPPLE);
+   glLineStipple( 5, 0xfffe );
+
+   glBegin(GL_LINE_STRIP);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.9,  0.9, -30.0);
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.9,  0.0, -30.0);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/linestrip.c b/progs/trivial/linestrip.c
new file mode 100644
index 0000000000..06dd1c1087
--- /dev/null
+++ b/progs/trivial/linestrip.c
@@ -0,0 +1,138 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glBegin(GL_LINE_STRIP);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.9,  0.9, -30.0);
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.9,  0.0, -30.0);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/long-fixed-func.c b/progs/trivial/long-fixed-func.c
new file mode 100644
index 0000000000..88f4fe01ec
--- /dev/null
+++ b/progs/trivial/long-fixed-func.c
@@ -0,0 +1,151 @@
+/**
+ * Enable as much fixed-function vertex processing state as possible
+ * to test fixed-function -> program code generation.
+ */
+
+
+
+#define GL_GLEXT_PROTOTYPES
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+static void
+Reshape(int width, int height)
+{
+   glViewport(0, 0, (GLint)width, (GLint)height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+   glMatrixMode(GL_MODELVIEW);
+}
+
+
+static void
+Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glBegin(GL_TRIANGLES);
+   glColor3f(.8,0,0); 
+   glVertex3f(-0.9, -0.9, -30.0);
+   glColor3f(0,.9,0); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.0,  0.9, -30.0);
+   glEnd();
+
+   glFlush();
+
+   glutSwapBuffers();
+}
+
+
+static void
+Init(void)
+{
+   GLubyte tex[16][16][4];
+   GLfloat pos[4] = {5, 10, 3, 1.0};
+   int i, j;
+
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+   glClearColor(0.3, 0.1, 0.3, 0.0);
+
+   for (i = 0; i < 16; i++) {
+      for (j = 0; j < 16; j++) {
+         if ((i+j) & 1) {
+            tex[i][j][0] = 100;
+            tex[i][j][1] = 100;
+            tex[i][j][2] = 100;
+            tex[i][j][3] = 255;
+         }
+         else {
+            tex[i][j][0] = 200;
+            tex[i][j][1] = 200;
+            tex[i][j][2] = 200;
+            tex[i][j][3] = 255;
+         }
+      }
+   }
+
+
+   glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, 1);
+   glFogi(GL_FOG_MODE, GL_LINEAR);
+   glEnable(GL_FOG);
+
+   glPointParameterfv(GL_DISTANCE_ATTENUATION_EXT, pos);
+
+   for (i = 0; i < 8; i++) {
+      GLuint texObj;
+
+      glEnable(GL_LIGHT0 + i);
+      glLightf(GL_LIGHT0 + i, GL_SPOT_EXPONENT, 3.5);
+      glLightf(GL_LIGHT0 + i, GL_SPOT_CUTOFF, 30.);
+      glLightf(GL_LIGHT0 + i, GL_CONSTANT_ATTENUATION, 3.);
+      glLightf(GL_LIGHT0 + i, GL_LINEAR_ATTENUATION, 3.);
+      glLightf(GL_LIGHT0 + i, GL_QUADRATIC_ATTENUATION, 3.);
+      glLightfv(GL_LIGHT0 + i, GL_POSITION, pos);
+
+      glActiveTexture(GL_TEXTURE0 + i);
+      glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
+      glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
+      glTexGeni(GL_R, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR);
+      glTexGeni(GL_Q, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR);
+      glEnable(GL_TEXTURE_GEN_S);
+      glEnable(GL_TEXTURE_GEN_T);
+      glEnable(GL_TEXTURE_GEN_R);
+      glEnable(GL_TEXTURE_GEN_Q);
+      glEnable(GL_TEXTURE_2D);
+
+      glMatrixMode(GL_TEXTURE);
+      glScalef(2.0, 1.0, 3.0);
+
+      glGenTextures(1, &texObj);
+      glBindTexture(GL_TEXTURE_2D, texObj);
+      glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 16, 16, 0,
+                   GL_RGBA, GL_UNSIGNED_BYTE, tex);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+      glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+   }
+
+   glEnable(GL_LIGHTING);
+   glActiveTexture(GL_TEXTURE0);
+   glMatrixMode(GL_MODELVIEW);
+}
+
+
+static void
+Key(unsigned char key, int x, int y)
+{
+   if (key == 27) {
+      exit(0);
+   }
+   glutPostRedisplay();
+}
+
+
+int
+main(int argc, char **argv)
+{
+    GLenum type = GLUT_RGB | GLUT_DOUBLE;
+
+    glutInit(&argc, argv);
+    glutInitWindowPosition(0, 0);
+    glutInitWindowSize( 250, 250);
+    glutInitDisplayMode(type);
+    if (glutCreateWindow("tri-long-fixedfunc") == GL_FALSE) {
+       exit(1);
+    }
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    Init();
+    glutMainLoop();
+    return 0;
+}
diff --git a/progs/trivial/pgon-mode.c b/progs/trivial/pgon-mode.c
new file mode 100644
index 0000000000..db58638619
--- /dev/null
+++ b/progs/trivial/pgon-mode.c
@@ -0,0 +1,136 @@
+/**
+ * Test glPolygonMode.
+ * A tri-strip w/ two tris is drawn so that the first tri is front-facing
+ * but the second tri is back-facing.
+ * Set glPolygonMode differently for the front/back faces
+ *
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+static int Win;
+static GLfloat Zrot = 0;
+static GLboolean FrontFillBackUnfilled = GL_TRUE;
+static GLboolean Lines = GL_TRUE;
+
+
+static void
+Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   if (FrontFillBackUnfilled) {
+      if (Lines) {
+         printf("FrontMode = FILL, BackMode = LINE\n");
+         glPolygonMode(GL_BACK, GL_LINE);
+      }
+      else {
+         printf("FrontMode = FILL, BackMode = POINT\n");
+         glPolygonMode(GL_BACK, GL_POINT);
+      }
+      glPolygonMode(GL_FRONT, GL_FILL);
+   }
+   else {
+      if (Lines) {
+         printf("FrontMode = LINE, BackMode = FILL\n");
+         glPolygonMode(GL_FRONT, GL_LINE);
+      }
+      else {
+         printf("FrontMode = POINT, BackMode = FILL\n");
+         glPolygonMode(GL_FRONT, GL_POINT);
+      }
+      glPolygonMode(GL_BACK, GL_FILL);
+   }
+
+   glPushMatrix();
+   glRotatef(Zrot, 0, 0, 1);
+
+   glBegin(GL_TRIANGLE_STRIP);
+   glVertex2f(-1, 0);
+   glVertex2f( 1, 0);
+   glVertex2f(0,  1);
+   glVertex2f(0, -1);
+   glEnd();
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void
+Reshape(int width, int height)
+{
+   glViewport(0, 0, width, height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 25.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -15.0);
+}
+
+
+static void
+Key(unsigned char key, int x, int y)
+{
+   const GLfloat step = 3.0;
+   (void) x;
+   (void) y;
+   switch (key) {
+   case 'p':
+      FrontFillBackUnfilled = !FrontFillBackUnfilled;
+      break;
+   case 'l':
+      Lines = !Lines;
+      break;
+   case 'z':
+      Zrot -= step;
+      break;
+   case 'Z':
+      Zrot += step;
+      break;
+   case 27:
+      glutDestroyWindow(Win);
+      exit(0);
+      break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+Init(void)
+{
+   printf("GL_RENDERER = %s\n", (char*) glGetString(GL_RENDERER));
+
+   glLineWidth(3.0);
+   glPointSize(3.0);
+
+   glColor4f(1, 1, 1, 0.8);
+   glEnable(GL_BLEND);
+   glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+   printf("Press 'p' to toggle polygon mode\n");
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   glutInit(&argc, argv);
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(400, 400);
+   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
+   Win = glutCreateWindow(argv[0]);
+   glutReshapeFunc(Reshape);
+   glutKeyboardFunc(Key);
+   glutDisplayFunc(Draw);
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/trivial/point-clip.c b/progs/trivial/point-clip.c
index 32792047c6..7fec54e1db 100644
--- a/progs/trivial/point-clip.c
+++ b/progs/trivial/point-clip.c
@@ -120,7 +120,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/point-param.c b/progs/trivial/point-param.c
index 02500cd34e..96544a0525 100644
--- a/progs/trivial/point-param.c
+++ b/progs/trivial/point-param.c
@@ -138,7 +138,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/point-sprite.c b/progs/trivial/point-sprite.c
new file mode 100644
index 0000000000..583bdca1b7
--- /dev/null
+++ b/progs/trivial/point-sprite.c
@@ -0,0 +1,174 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+
+#define SIZE 16
+   {
+      GLubyte tex2d[SIZE][SIZE][3];
+      GLint s, t;
+
+      for (s = 0; s < SIZE; s++) {
+	 for (t = 0; t < SIZE; t++) {
+#if 1
+	    tex2d[t][s][0] = (s < SIZE/2) ? 0 : 255;
+	    tex2d[t][s][1] = (t < SIZE/2) ? 0 : 255;
+	    tex2d[t][s][2] = 0;
+#else
+	    tex2d[t][s][0] = s*255/(SIZE-1);
+	    tex2d[t][s][1] = t*255/(SIZE-1);
+	    tex2d[t][s][2] = 0;
+#endif
+	 }
+      }
+
+      glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_REPEAT);
+      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+      glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+      glTexImage2D(GL_TEXTURE_2D, 0, 3, SIZE, SIZE, 0,
+		   GL_RGB, GL_UNSIGNED_BYTE, tex2d);
+      glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
+      glEnable(GL_TEXTURE_2D);
+   }
+
+   glEnable(GL_POINT_SPRITE);
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glPointSize(16.0);
+
+   glBegin(GL_POINTS);
+   glColor3f(1,0,0); 
+   glVertex3f( 0.6, -0.6, -30.0);
+   glColor3f(1,1,0); 
+   glVertex3f( 0.6,  0.6, -30.0);
+   glColor3f(1,0,1); 
+   glVertex3f(-0.6,  0.6, -30.0);
+   glColor3f(0,1,1); 
+   glVertex3f(-0.6,  -0.6, -30.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/point-wide-smooth.c b/progs/trivial/point-wide-smooth.c
new file mode 100644
index 0000000000..55cbcaec70
--- /dev/null
+++ b/progs/trivial/point-wide-smooth.c
@@ -0,0 +1,145 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glPointSize(8.0);
+
+   glEnable(GL_POINT_SMOOTH);
+   glEnable(GL_BLEND);
+   glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+   glBegin(GL_POINTS);
+   glColor3f(1,0,0); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glColor3f(1,1,0); 
+   glVertex3f( 0.9,  0.9, -30.0);
+   glColor3f(1,0,1); 
+   glVertex3f(-0.9,  0.9, -30.0);
+   glColor3f(0,1,1); 
+   glVertex3f(-0.9,  -0.9, -30.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB | GLUT_ALPHA;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/point-wide.c b/progs/trivial/point-wide.c
index 473ca043f1..265b20097b 100644
--- a/progs/trivial/point-wide.c
+++ b/progs/trivial/point-wide.c
@@ -34,6 +34,7 @@
 
 GLenum doubleBuffer;
 
+
 static void Init(void)
 {
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
@@ -70,6 +71,7 @@ static void Key(unsigned char key, int x, int y)
 static void Draw(void)
 {
    glClear(GL_COLOR_BUFFER_BIT); 
+   glDisable(GL_DEPTH_TEST);
 
    glPointSize(8.0);
 
@@ -122,7 +124,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/point.c b/progs/trivial/point.c
index 87465bfb2c..8dabfb6ca6 100644
--- a/progs/trivial/point.c
+++ b/progs/trivial/point.c
@@ -120,7 +120,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/poly-flat-clip.c b/progs/trivial/poly-flat-clip.c
new file mode 100644
index 0000000000..72c2a29a0d
--- /dev/null
+++ b/progs/trivial/poly-flat-clip.c
@@ -0,0 +1,140 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+   glShadeModel(GL_FLAT);
+   
+
+   glBegin(GL_POLYGON);
+   glColor3f(1,0,0); 
+   glVertex3f( 0, 0, -30.0);
+   glColor3f(1,1,0); 
+   glVertex3f( 1.3,  1.1, -30.0);
+   glColor3f(1,0,1); 
+   glVertex3f(-.9,  .9, -30.0);
+   glColor3f(0,1,1); 
+   glVertex3f(-1.1,  -1.3, -30.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/poly-flat-unfilled-clip.c b/progs/trivial/poly-flat-unfilled-clip.c
new file mode 100644
index 0000000000..d3a14a516a
--- /dev/null
+++ b/progs/trivial/poly-flat-unfilled-clip.c
@@ -0,0 +1,144 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+   glShadeModel(GL_FLAT);
+
+   glPolygonMode(GL_FRONT, GL_LINE);
+   glPolygonMode(GL_BACK, GL_LINE);
+   glLineWidth(4.0);
+   
+
+   glBegin(GL_POLYGON);
+   glColor3f(1,0,0); 
+   glVertex3f( 0, 0, -30.0);
+   glColor3f(1,1,0); 
+   glVertex3f( 1.3,  1.1, -30.0);
+   glColor3f(1,0,1); 
+   glVertex3f(-.9,  .9, -30.0);
+   glColor3f(0,1,1); 
+   glVertex3f(-1.1,  -1.3, -30.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/poly-flat.c b/progs/trivial/poly-flat.c
index 747b24dc0c..a847d6828a 100644
--- a/progs/trivial/poly-flat.c
+++ b/progs/trivial/poly-flat.c
@@ -122,7 +122,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/poly-unfilled.c b/progs/trivial/poly-unfilled.c
index e0ae463b08..ae092a830a 100644
--- a/progs/trivial/poly-unfilled.c
+++ b/progs/trivial/poly-unfilled.c
@@ -121,7 +121,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/poly.c b/progs/trivial/poly.c
index bdb9e27aa9..2f254de481 100644
--- a/progs/trivial/poly.c
+++ b/progs/trivial/poly.c
@@ -120,7 +120,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/psb_context.c b/progs/trivial/psb_context.c
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/progs/trivial/psb_context.c
diff --git a/progs/trivial/quad-clip-all-vertices.c b/progs/trivial/quad-clip-all-vertices.c
index 019ef0c479..3e0f3d9494 100644
--- a/progs/trivial/quad-clip-all-vertices.c
+++ b/progs/trivial/quad-clip-all-vertices.c
@@ -120,7 +120,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/quad-clip-nearplane.c b/progs/trivial/quad-clip-nearplane.c
index be9b9c619a..1e8056c474 100644
--- a/progs/trivial/quad-clip-nearplane.c
+++ b/progs/trivial/quad-clip-nearplane.c
@@ -133,7 +133,7 @@ int main(int argc, char **argv)
     glutInitWindowPosition(0, 0);
     glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/quad-clip.c b/progs/trivial/quad-clip.c
index 9f3a45caec..504fef3dc5 100644
--- a/progs/trivial/quad-clip.c
+++ b/progs/trivial/quad-clip.c
@@ -120,7 +120,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/quad-degenerate.c b/progs/trivial/quad-degenerate.c
index b14b0f1d87..8304740857 100644
--- a/progs/trivial/quad-degenerate.c
+++ b/progs/trivial/quad-degenerate.c
@@ -125,7 +125,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/quad-flat.c b/progs/trivial/quad-flat.c
index d6e9f02120..bd8be7c43e 100644
--- a/progs/trivial/quad-flat.c
+++ b/progs/trivial/quad-flat.c
@@ -130,7 +130,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/quad-offset-factor.c b/progs/trivial/quad-offset-factor.c
index 861d3461c0..90943d908f 100644
--- a/progs/trivial/quad-offset-factor.c
+++ b/progs/trivial/quad-offset-factor.c
@@ -27,11 +27,6 @@
 #include <stdlib.h>
 #include <GL/glut.h>
 
-
-#define CI_OFFSET_1 16
-#define CI_OFFSET_2 32
-
-
 GLenum doubleBuffer;
 
 static void Init(void)
@@ -45,7 +40,6 @@ static void Init(void)
 
 static void Reshape(int width, int height)
 {
-
     glViewport(0, 0, (GLint)width, (GLint)height);
 
     glMatrixMode(GL_PROJECTION);
@@ -56,7 +50,6 @@ static void Reshape(int width, int height)
 
 static void Key(unsigned char key, int x, int y)
 {
-
     switch (key) {
       case 27:
 	exit(1);
@@ -75,7 +68,6 @@ static void quad( float half )
    glVertex3f(-half/9.0,  half/9.0, -25.0 - half);
    glVertex3f(-half/9.0, -half/9.0, -25.0 - half);
    glEnd();
-
 }
 
 static void Draw(void)
@@ -83,27 +75,24 @@ static void Draw(void)
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); 
    glEnable(GL_DEPTH_TEST);
 
-
-
+   /* red: offset back */
    glEnable(GL_POLYGON_OFFSET_FILL);
    glPolygonOffset(1, 0);
-
    glColor3f(1,0,0); 
    quad(9);
 
+   /* green: no offset */
    glDisable(GL_POLYGON_OFFSET_FILL); 
    glColor3f(0,1,0); 
    quad(6);
 
-
+   /* black: offset zero, should not be visible because of z test */
    glEnable(GL_POLYGON_OFFSET_FILL); 
    glPolygonOffset(0, 0); 
-
-   /* Black - should not be visible
-    */
    glColor3f(0,0,0); 
    quad(6);
 
+   /* blue: offset forward */
    glEnable(GL_POLYGON_OFFSET_FILL);
    glPolygonOffset(-1, 0);
    glColor3f(0,0,1); 
@@ -149,7 +138,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB | GLUT_DEPTH;
+    type = GLUT_RGB | GLUT_ALPHA | GLUT_DEPTH;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
@@ -163,5 +152,5 @@ int main(int argc, char **argv)
     glutKeyboardFunc(Key);
     glutDisplayFunc(Draw);
     glutMainLoop();
-	return 0;
+    return 0;
 }
diff --git a/progs/trivial/quad-offset-unfilled.c b/progs/trivial/quad-offset-unfilled.c
index 1cecf3c1ce..1ad44cdcae 100644
--- a/progs/trivial/quad-offset-unfilled.c
+++ b/progs/trivial/quad-offset-unfilled.c
@@ -72,6 +72,8 @@ static void Draw(void)
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); 
    glEnable(GL_DEPTH_TEST);
 
+   glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+
 
 
    glEnable(GL_POLYGON_OFFSET_FILL);
@@ -95,7 +97,7 @@ static void Draw(void)
    glVertex3f(-0.6,  -0.6, -35.0);
    glEnd();
 
-   glEnable(GL_POLYGON_OFFSET_FILL);
+   glEnable(GL_POLYGON_OFFSET_LINE);
    glPolygonOffset(-1, 0);
 
    glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
@@ -149,7 +151,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB | GLUT_DEPTH;
+    type = GLUT_RGB | GLUT_ALPHA | GLUT_DEPTH;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/quad-offset-units.c b/progs/trivial/quad-offset-units.c
index 5c41be308e..d5db21469e 100644
--- a/progs/trivial/quad-offset-units.c
+++ b/progs/trivial/quad-offset-units.c
@@ -27,11 +27,6 @@
 #include <stdlib.h>
 #include <GL/glut.h>
 
-
-#define CI_OFFSET_1 16
-#define CI_OFFSET_2 32
-
-
 GLenum doubleBuffer;
 
 static void Init(void)
@@ -45,7 +40,6 @@ static void Init(void)
 
 static void Reshape(int width, int height)
 {
-
     glViewport(0, 0, (GLint)width, (GLint)height);
 
     glMatrixMode(GL_PROJECTION);
@@ -56,7 +50,6 @@ static void Reshape(int width, int height)
 
 static void Key(unsigned char key, int x, int y)
 {
-
     switch (key) {
       case 27:
 	exit(1);
@@ -75,7 +68,6 @@ static void quad( float half )
    glVertex3f(-half/9.0,  half/9.0, -25.0 - half);
    glVertex3f(-half/9.0, -half/9.0, -25.0 - half);
    glEnd();
-
 }
 
 static void Draw(void)
@@ -83,27 +75,26 @@ static void Draw(void)
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); 
    glEnable(GL_DEPTH_TEST);
 
-
-
+   /* red: offset back */
    glEnable(GL_POLYGON_OFFSET_FILL);
    glPolygonOffset(0, 4);
-
    glColor3f(1,0,0); 
    quad(9);
 
+   /* black: no offset */
    glDisable(GL_POLYGON_OFFSET_FILL); 
    glColor3f(0,0,0); 
    quad(6);
 
+   /* green: offset 0 (this should obscure the black quad) */
    glEnable(GL_POLYGON_OFFSET_FILL);
    glPolygonOffset(0, 0);
-
    glDepthFunc( GL_EQUAL );
    glColor3f(0,1,0); 
    quad(6);
-   glDepthFunc( GL_LESS );
-
 
+   /* blue: offset forward */
+   glDepthFunc( GL_LESS );
    glPolygonOffset(0, -4);
    glColor3f(0,0,1); 
    quad(3);
@@ -148,7 +139,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB | GLUT_DEPTH;
+    type = GLUT_RGB | GLUT_ALPHA | GLUT_DEPTH;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
@@ -162,5 +153,5 @@ int main(int argc, char **argv)
     glutKeyboardFunc(Key);
     glutDisplayFunc(Draw);
     glutMainLoop();
-	return 0;
+    return 0;
 }
diff --git a/progs/trivial/quad-tex-2d.c b/progs/trivial/quad-tex-2d.c
index 70b9fbf8c6..97c9fc54d8 100644
--- a/progs/trivial/quad-tex-2d.c
+++ b/progs/trivial/quad-tex-2d.c
@@ -27,11 +27,11 @@
 #include <stdlib.h>
 #include <GL/glut.h>
 
-
-#define CI_OFFSET_1 16
-#define CI_OFFSET_2 32
-
+static GLenum Target = GL_TEXTURE_2D;
+static GLenum Filter = GL_NEAREST;
 GLenum doubleBuffer;
+static float Rot = 0;
+static int win = 0;
 
 static void Init(void)
 {
@@ -41,7 +41,7 @@ static void Init(void)
 
    glClearColor(0.0, 0.0, 1.0, 0.0);
 
-#define SIZE 16
+#define SIZE 32
    {
       GLubyte tex2d[SIZE][SIZE][3];
       GLint s, t;
@@ -60,59 +60,77 @@ static void Init(void)
 	 }
       }
 
+      glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+      if (Target == GL_TEXTURE_1D)
+         glTexImage1D(Target, 0, 3, SIZE, 0, GL_RGB, GL_UNSIGNED_BYTE, tex2d);
+      else
+         glTexImage2D(Target, 0, 3, SIZE, SIZE, 0,
+                      GL_RGB, GL_UNSIGNED_BYTE, tex2d);
+
+      glEnable(Target);
       glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
-      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_REPEAT);
-      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+      glTexParameterf(Target, GL_TEXTURE_WRAP_R, GL_REPEAT);
+      glTexParameterf(Target, GL_TEXTURE_MIN_FILTER, Filter);
+      glTexParameterf(Target, GL_TEXTURE_MAG_FILTER, Filter);
 
-      glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
-      glTexImage2D(GL_TEXTURE_2D, 0, 3, SIZE, SIZE, 0,
-		   GL_RGB, GL_UNSIGNED_BYTE, tex2d);
       glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
-      glEnable(GL_TEXTURE_2D);
    }
-
 }
 
 static void Reshape(int width, int height)
 {
-
-    glViewport(0, 0, (GLint)width, (GLint)height);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
-    glMatrixMode(GL_MODELVIEW);
+   glViewport(0, 0, (GLint)width, (GLint)height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+#if 0
+   glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+#else
+   glFrustum(-1, 1, -1, 1, 10, 20);
+#endif
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0, 0, -15);
 }
 
 static void Key(unsigned char key, int x, int y)
 {
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
+   switch (key) {
+   case 'r':
+      Rot += 10.0;
+      break;
+   case 'R':
+      Rot -= 10.0;
+      break;
+   case 27:
+      glutDestroyWindow(win);
+      exit(0);
+   default:
+      return;
+   }
+   glutPostRedisplay();
 }
 
 static void Draw(void)
 {
    glClear(GL_COLOR_BUFFER_BIT); 
 
+   glPushMatrix();
+   glRotatef(Rot, 0, 1, 0);
+
    glBegin(GL_QUADS);
    glTexCoord2f(1,0); 
-   glVertex3f( 0.9, -0.9, -30.0);
+   glVertex3f( 0.9, -0.9, 0.0);
    glTexCoord2f(1,1); 
-   glVertex3f( 0.9,  0.9, -30.0);
+   glVertex3f( 0.9,  0.9, 0.0);
    glTexCoord2f(0,1); 
-   glVertex3f(-0.9,  0.9, -30.0);
+   glVertex3f(-0.9,  0.9, 0.0);
    glTexCoord2f(0,0); 
-   glVertex3f(-0.9,  -0.9, -30.0);
+   glVertex3f(-0.9,  -0.9, 0.0);
    glEnd();
 
+   glPopMatrix();
+
    glFlush();
 
    if (doubleBuffer) {
@@ -155,7 +173,8 @@ int main(int argc, char **argv)
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
-    if (glutCreateWindow("First Tri") == GL_FALSE) {
+    win = glutCreateWindow("First Tri");
+    if (!win) {
 	exit(1);
     }
 
@@ -165,5 +184,5 @@ int main(int argc, char **argv)
     glutKeyboardFunc(Key);
     glutDisplayFunc(Draw);
     glutMainLoop();
-	return 0;
+    return 0;
 }
diff --git a/progs/trivial/quad-tex-3d.c b/progs/trivial/quad-tex-3d.c
index 0b2dcc08a5..fd02d9d6ad 100644
--- a/progs/trivial/quad-tex-3d.c
+++ b/progs/trivial/quad-tex-3d.c
@@ -159,7 +159,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/quad-tex-alpha.c b/progs/trivial/quad-tex-alpha.c
new file mode 100644
index 0000000000..cd73f013eb
--- /dev/null
+++ b/progs/trivial/quad-tex-alpha.c
@@ -0,0 +1,170 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+
+#define SIZE 16
+   {
+      GLubyte tex2d[SIZE][SIZE][4];
+      GLint s, t;
+
+      for (s = 0; s < SIZE; s++) {
+	 for (t = 0; t < SIZE; t++) {
+	    tex2d[t][s][0] = (s < SIZE/2) ? 0 : 255;
+	    tex2d[t][s][1] = (t < SIZE/2) ? 0 : 255;
+	    tex2d[t][s][2] = 0;
+	    tex2d[t][s][3] = ((t^s) & 3) * 63;
+	 }
+      }
+
+      glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_REPEAT);
+      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+      glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+      glTexImage2D(GL_TEXTURE_2D, 0, 4, SIZE, SIZE, 0,
+		   GL_RGBA, GL_UNSIGNED_BYTE, tex2d);
+      glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
+      glEnable(GL_TEXTURE_2D);
+   }
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glDisable(GL_DEPTH_TEST);
+   glDisable(GL_STENCIL_TEST);
+   glEnable(GL_ALPHA_TEST);
+   glAlphaFunc(GL_GEQUAL, 0.5);
+
+   glBegin(GL_QUADS);
+   glTexCoord2f(1,0); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glTexCoord2f(1,1); 
+   glVertex3f( 0.9,  0.9, -30.0);
+   glTexCoord2f(0,1); 
+   glVertex3f(-0.9,  0.9, -30.0);
+   glTexCoord2f(0,0); 
+   glVertex3f(-0.9,  -0.9, -30.0);
+   glEnd();
+
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(100, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/quad-unfilled-clip.c b/progs/trivial/quad-unfilled-clip.c
new file mode 100644
index 0000000000..e298bd455b
--- /dev/null
+++ b/progs/trivial/quad-unfilled-clip.c
@@ -0,0 +1,139 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+   glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+
+   glBegin(GL_QUADS);
+   glColor3f(1,0,0); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glColor3f(1,1,0); 
+   glVertex3f( 0.9,  0.9, -30.0);
+   glColor3f(1,0,1); 
+   glVertex3f(-1.9,  0.9, -30.0);
+   glColor3f(0,1,1); 
+   glVertex3f(-0.9,  -0.9, -30.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/quad-unfilled-stipple.c b/progs/trivial/quad-unfilled-stipple.c
new file mode 100644
index 0000000000..2036aacbaa
--- /dev/null
+++ b/progs/trivial/quad-unfilled-stipple.c
@@ -0,0 +1,142 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+   glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+
+   glEnable(GL_LINE_STIPPLE);
+   glLineStipple( 5, 0xfffe );
+
+   glBegin(GL_QUADS);
+   glColor3f(1,0,0); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glColor3f(1,1,1); 
+   glVertex3f( 0.9,  0.9, -30.0);
+   glColor3f(0,1,0); 
+   glVertex3f(-0.9,  0.9, -30.0);
+   glColor3f(0,0,0); 
+   glVertex3f(-0.9,  -0.9, -30.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/quad-unfilled.c b/progs/trivial/quad-unfilled.c
index 9d63d2dfb9..9d0087ce08 100644
--- a/progs/trivial/quad-unfilled.c
+++ b/progs/trivial/quad-unfilled.c
@@ -121,7 +121,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/quads.c b/progs/trivial/quads.c
index 1ca82cd9f8..307a9e0720 100644
--- a/progs/trivial/quads.c
+++ b/progs/trivial/quads.c
@@ -138,7 +138,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/quadstrip-cont.c b/progs/trivial/quadstrip-cont.c
new file mode 100644
index 0000000000..c6c8f69f8c
--- /dev/null
+++ b/progs/trivial/quadstrip-cont.c
@@ -0,0 +1,162 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glBegin(GL_QUAD_STRIP);
+   glColor3f(1,0,0); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glColor3f(1,1,0); 
+   glVertex3f( 0.9,  0.9, -30.0);
+
+   glColor3f(1,0,0); 
+   glVertex3f( 0.1, -0.8, -30.0);
+   glColor3f(1,1,0); 
+   glVertex3f( 0.1,  0.8, -30.0);
+
+   glColor3f(0,1,1); 
+   glVertex3f(-0.1,  -0.9, -30.0);
+   glColor3f(1,0,1); 
+   glVertex3f(-0.1,  0.9, -30.0);
+
+   glColor3f(0,1,1); 
+   glVertex3f(-0.9,  -0.8, -30.0);
+   glColor3f(1,0,1); 
+   glVertex3f(-0.9,  0.8, -30.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static void
+idle(void)
+{
+  glutPostRedisplay();
+}
+
+
+static void 
+visible(int vis)
+{
+  if (vis == GLUT_VISIBLE)
+    glutIdleFunc(idle);
+  else
+    glutIdleFunc(NULL);
+}
+
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutVisibilityFunc(visible);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/quadstrip-flat.c b/progs/trivial/quadstrip-flat.c
index 061a0e409e..d02135f702 100644
--- a/progs/trivial/quadstrip-flat.c
+++ b/progs/trivial/quadstrip-flat.c
@@ -132,7 +132,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/quadstrip.c b/progs/trivial/quadstrip.c
index 342463f1a2..ff8644be09 100644
--- a/progs/trivial/quadstrip.c
+++ b/progs/trivial/quadstrip.c
@@ -126,7 +126,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/readpixels.c b/progs/trivial/readpixels.c
new file mode 100644
index 0000000000..783468ae2f
--- /dev/null
+++ b/progs/trivial/readpixels.c
@@ -0,0 +1,101 @@
+/*
+ * glRead/DrawPixels test
+ */
+
+
+#define GL_GLEXT_PROTOTYPES
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+static int Width = 250, Height = 250;
+static GLfloat Zoom = 1.0;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   glClearColor(0.3, 0.1, 0.3, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+   Width = width / 2;
+   Height = height;
+   /* draw on left half (we'll read that area) */
+   glViewport(0, 0, Width, height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+   glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+   switch (key) {
+   case 27:
+      exit(0);
+   default:
+      return;
+   }
+   glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   GLfloat *image = (GLfloat *) malloc(Width * Height * 4 * sizeof(GLfloat));
+
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glBegin(GL_TRIANGLES);
+   glColor3f(.8,0,0); 
+   glVertex3f(-0.9, -0.9, -30.0);
+   glColor3f(0,.9,0); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.0,  0.9, -30.0);
+   glEnd();
+
+   glBegin(GL_QUADS);
+   glColor3f(1, 1, 1);
+   glVertex2f(-1.0, -1.0);
+   glVertex2f(-0.9, -1.0);
+   glVertex2f(-0.9, -0.9);
+   glVertex2f(-1.0, -0.9);
+   glEnd();
+
+   glReadPixels(0, 0, Width, Height, GL_RGBA, GL_FLOAT, image);
+   printf("Pixel(0,0) = %f, %f, %f, %f\n",
+          image[0], image[1], image[2], image[3]);
+   /* draw to right half of window */
+   glWindowPos2iARB(Width, 0);
+   glPixelZoom(Zoom, Zoom);
+   glDrawPixels(Width, Height, GL_RGBA, GL_FLOAT, image);
+   free(image);
+
+   glutSwapBuffers();
+}
+
+int main(int argc, char **argv)
+{
+   glutInit(&argc, argv);
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(Width*2, Height);
+   glutInitDisplayMode(GLUT_RGB | GLUT_ALPHA | GLUT_DOUBLE);
+   if (glutCreateWindow(argv[0]) == GL_FALSE) {
+      exit(1);
+   }
+
+   if (argc > 1)
+      Zoom = atof(argv[1]);
+
+   Init();
+
+   glutReshapeFunc(Reshape);
+   glutKeyboardFunc(Key);
+   glutDisplayFunc(Draw);
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/trivial/tri-alpha-tex.c b/progs/trivial/tri-alpha-tex.c
new file mode 100644
index 0000000000..776f39dcc3
--- /dev/null
+++ b/progs/trivial/tri-alpha-tex.c
@@ -0,0 +1,179 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+
+#define SIZE 16
+   {
+      GLubyte tex2d[SIZE][SIZE][4];
+      GLint s, t;
+
+      for (s = 0; s < SIZE; s++) {
+	 for (t = 0; t < SIZE; t++) {
+	    tex2d[t][s][0] = (s < SIZE/2) ? 0 : 255;
+	    tex2d[t][s][1] = (t < SIZE/2) ? 0 : 255;
+	    tex2d[t][s][2] = 0;
+	    tex2d[t][s][3] = ((t^s) & 3) * 63;
+	 }
+      }
+
+      glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_REPEAT);
+      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+      glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+      glTexImage2D(GL_TEXTURE_2D, 0, 4, SIZE, SIZE, 0,
+		   GL_RGBA, GL_UNSIGNED_BYTE, tex2d);
+      glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
+      glEnable(GL_TEXTURE_2D);
+   }
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glDisable(GL_DEPTH_TEST);
+   glDisable(GL_STENCIL_TEST);
+   glEnable(GL_ALPHA_TEST);
+   glAlphaFunc(GL_GEQUAL, 0.5);
+
+   glBegin(GL_QUADS);
+   glTexCoord2f(1,0); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glTexCoord2f(1,1); 
+   glVertex3f( 0.9,  0.9, -30.0);
+   glTexCoord2f(0,1); 
+   glVertex3f(-0.9,  0.9, -30.0);
+   glTexCoord2f(0,0); 
+   glVertex3f(-0.9,  -0.9, -30.0);
+   glEnd();
+#if 0
+   glBegin(GL_TRIANGLES);
+   glColor4f(0,0,.7,1); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glColor4f(.8,0,0,.5); 
+   glVertex3f( 0.9,  0.9, -30.0);
+   glColor4f(0,.9,0,0); 
+   glVertex3f(-0.9,  0.0, -30.0);
+   glEnd();
+#endif
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(100, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/tri-alpha.c b/progs/trivial/tri-alpha.c
new file mode 100644
index 0000000000..90cfdbe199
--- /dev/null
+++ b/progs/trivial/tri-alpha.c
@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glDisable(GL_DEPTH_TEST);
+   glDisable(GL_STENCIL_TEST);
+   glEnable(GL_ALPHA_TEST);
+   glAlphaFunc(GL_GEQUAL, 0.5);
+
+   glBegin(GL_TRIANGLES);
+   glColor4f(0,0,.7,1); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glColor4f(.8,0,0,.5); 
+   glVertex3f( 0.9,  0.9, -30.0);
+   glColor4f(0,.9,0,0); 
+   glVertex3f(-0.9,  0.0, -30.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(100, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/tri-blend-color.c b/progs/trivial/tri-blend-color.c
new file mode 100644
index 0000000000..b9a539410b
--- /dev/null
+++ b/progs/trivial/tri-blend-color.c
@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClearColor(0.0, 0.0, 1.0, 0.0);
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glEnable(GL_BLEND);
+   glBlendEquation(GL_FUNC_ADD);
+   glBlendColor(1.0, 0, 0, 0);
+   glBlendFunc(GL_CONSTANT_COLOR, GL_SRC_COLOR);
+
+   glBegin(GL_TRIANGLES);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.9,  0.9, -30.0);
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.9,  0.0, -30.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(100, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/tri-blend-max.c b/progs/trivial/tri-blend-max.c
new file mode 100644
index 0000000000..ebc241c1c1
--- /dev/null
+++ b/progs/trivial/tri-blend-max.c
@@ -0,0 +1,145 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ *  alpha.c
+ *  This program draws several overlapping filled polygons
+ *  to demonstrate the effect order has on alpha blending results.
+ *  Use the 't' key to toggle the order of drawing polygons.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+static int leftFirst = GL_TRUE;
+
+/*  Initialize alpha blending function.
+ */
+static void init(void)
+{
+   glBlendEquation (GL_MAX);
+   glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+   glShadeModel (GL_FLAT);
+   glClearColor (1.0, 0.0, 0.0, 0.0);
+}
+
+static void drawLeftTriangle(void)
+{
+   /* draw yellow triangle on LHS of screen */
+
+   glBegin (GL_TRIANGLES);
+      glColor4f(1.0, 1.0, 0.0, 0.75);
+      glVertex3f(0.1, 0.9, 0.0); 
+      glVertex3f(0.1, 0.1, 0.0); 
+      glVertex3f(0.7, 0.5, 0.0); 
+   glEnd();
+}
+
+static void drawRightTriangle(void)
+{
+   /* draw cyan triangle on RHS of screen */
+
+   glEnable (GL_BLEND);
+   glBegin (GL_TRIANGLES);
+      glColor4f(0.0, 1.0, 1.0, 0.75);
+      glVertex3f(0.9, 0.9, 0.0); 
+      glVertex3f(0.3, 0.5, 0.0); 
+      glVertex3f(0.9, 0.1, 0.0); 
+   glEnd();
+   glDisable (GL_BLEND);
+}
+
+void display(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT);
+
+   if (leftFirst) {
+      drawLeftTriangle();
+      drawRightTriangle();
+   }
+   else {
+      drawRightTriangle();
+      drawLeftTriangle();
+   }
+
+   glFlush();
+}
+
+void reshape(int w, int h)
+{
+   glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   if (w <= h) 
+      gluOrtho2D (0.0, 1.0, 0.0, 1.0*(GLfloat)h/(GLfloat)w);
+   else 
+      gluOrtho2D (0.0, 1.0*(GLfloat)w/(GLfloat)h, 0.0, 1.0);
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 't':
+      case 'T':
+         leftFirst = !leftFirst;
+         glutPostRedisplay();	
+         break;
+      case 27:  /*  Escape key  */
+         exit(0);
+         break;
+      default:
+         break;
+   }
+}
+
+/*  Main Loop
+ *  Open window with initial window size, title bar, 
+ *  RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+   glutInitWindowSize (200, 200);
+   glutCreateWindow (argv[0]);
+   init();
+   glutReshapeFunc (reshape);
+   glutKeyboardFunc (keyboard);
+   glutDisplayFunc (display);
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/trivial/tri-blend-min.c b/progs/trivial/tri-blend-min.c
new file mode 100644
index 0000000000..00b2dec705
--- /dev/null
+++ b/progs/trivial/tri-blend-min.c
@@ -0,0 +1,145 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ *  alpha.c
+ *  This program draws several overlapping filled polygons
+ *  to demonstrate the effect order has on alpha blending results.
+ *  Use the 't' key to toggle the order of drawing polygons.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+static int leftFirst = GL_TRUE;
+
+/*  Initialize alpha blending function.
+ */
+static void init(void)
+{
+   glBlendEquation (GL_MIN);
+   glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+   glShadeModel (GL_FLAT);
+   glClearColor (1.0, 0.0, 0.0, 0.0);
+}
+
+static void drawLeftTriangle(void)
+{
+   /* draw yellow triangle on LHS of screen */
+
+   glBegin (GL_TRIANGLES);
+      glColor4f(1.0, 1.0, 0.0, 0.75);
+      glVertex3f(0.1, 0.9, 0.0); 
+      glVertex3f(0.1, 0.1, 0.0); 
+      glVertex3f(0.7, 0.5, 0.0); 
+   glEnd();
+}
+
+static void drawRightTriangle(void)
+{
+   /* draw cyan triangle on RHS of screen */
+
+   glEnable (GL_BLEND);
+   glBegin (GL_TRIANGLES);
+      glColor4f(0.0, 1.0, 1.0, 0.75);
+      glVertex3f(0.9, 0.9, 0.0); 
+      glVertex3f(0.3, 0.5, 0.0); 
+      glVertex3f(0.9, 0.1, 0.0); 
+   glEnd();
+   glDisable (GL_BLEND);
+}
+
+void display(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT);
+
+   if (leftFirst) {
+      drawLeftTriangle();
+      drawRightTriangle();
+   }
+   else {
+      drawRightTriangle();
+      drawLeftTriangle();
+   }
+
+   glFlush();
+}
+
+void reshape(int w, int h)
+{
+   glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   if (w <= h) 
+      gluOrtho2D (0.0, 1.0, 0.0, 1.0*(GLfloat)h/(GLfloat)w);
+   else 
+      gluOrtho2D (0.0, 1.0*(GLfloat)w/(GLfloat)h, 0.0, 1.0);
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 't':
+      case 'T':
+         leftFirst = !leftFirst;
+         glutPostRedisplay();	
+         break;
+      case 27:  /*  Escape key  */
+         exit(0);
+         break;
+      default:
+         break;
+   }
+}
+
+/*  Main Loop
+ *  Open window with initial window size, title bar, 
+ *  RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+   glutInitWindowSize (200, 200);
+   glutCreateWindow (argv[0]);
+   init();
+   glutReshapeFunc (reshape);
+   glutKeyboardFunc (keyboard);
+   glutDisplayFunc (display);
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/trivial/tri-blend-revsub.c b/progs/trivial/tri-blend-revsub.c
new file mode 100644
index 0000000000..be187fd4ce
--- /dev/null
+++ b/progs/trivial/tri-blend-revsub.c
@@ -0,0 +1,145 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ *  alpha.c
+ *  This program draws several overlapping filled polygons
+ *  to demonstrate the effect order has on alpha blending results.
+ *  Use the 't' key to toggle the order of drawing polygons.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+static int leftFirst = GL_TRUE;
+
+/*  Initialize alpha blending function.
+ */
+static void init(void)
+{
+   glBlendEquation (GL_FUNC_REVERSE_SUBTRACT);
+   glBlendFunc (GL_ONE_MINUS_SRC_ALPHA, GL_SRC_ALPHA);
+   glShadeModel (GL_FLAT);
+   glClearColor (1.0, 0.0, 0.0, 0.0);
+}
+
+static void drawLeftTriangle(void)
+{
+   /* draw yellow triangle on LHS of screen */
+
+   glBegin (GL_TRIANGLES);
+      glColor4f(1.0, 1.0, 0.0, 0.75);
+      glVertex3f(0.1, 0.9, 0.0); 
+      glVertex3f(0.1, 0.1, 0.0); 
+      glVertex3f(0.7, 0.5, 0.0); 
+   glEnd();
+}
+
+static void drawRightTriangle(void)
+{
+   /* draw cyan triangle on RHS of screen */
+
+   glEnable (GL_BLEND);
+   glBegin (GL_TRIANGLES);
+      glColor4f(0.0, 1.0, 1.0, 0.75);
+      glVertex3f(0.9, 0.9, 0.0); 
+      glVertex3f(0.3, 0.5, 0.0); 
+      glVertex3f(0.9, 0.1, 0.0); 
+   glEnd();
+   glDisable (GL_BLEND);
+}
+
+void display(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT);
+
+   if (leftFirst) {
+      drawLeftTriangle();
+      drawRightTriangle();
+   }
+   else {
+      drawRightTriangle();
+      drawLeftTriangle();
+   }
+
+   glFlush();
+}
+
+void reshape(int w, int h)
+{
+   glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   if (w <= h) 
+      gluOrtho2D (0.0, 1.0, 0.0, 1.0*(GLfloat)h/(GLfloat)w);
+   else 
+      gluOrtho2D (0.0, 1.0*(GLfloat)w/(GLfloat)h, 0.0, 1.0);
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 't':
+      case 'T':
+         leftFirst = !leftFirst;
+         glutPostRedisplay();	
+         break;
+      case 27:  /*  Escape key  */
+         exit(0);
+         break;
+      default:
+         break;
+   }
+}
+
+/*  Main Loop
+ *  Open window with initial window size, title bar, 
+ *  RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+   glutInitWindowSize (200, 200);
+   glutCreateWindow (argv[0]);
+   init();
+   glutReshapeFunc (reshape);
+   glutKeyboardFunc (keyboard);
+   glutDisplayFunc (display);
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/trivial/tri-blend-sub.c b/progs/trivial/tri-blend-sub.c
new file mode 100644
index 0000000000..d207791108
--- /dev/null
+++ b/progs/trivial/tri-blend-sub.c
@@ -0,0 +1,145 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+/*
+ *  alpha.c
+ *  This program draws several overlapping filled polygons
+ *  to demonstrate the effect order has on alpha blending results.
+ *  Use the 't' key to toggle the order of drawing polygons.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+static int leftFirst = GL_TRUE;
+
+/*  Initialize alpha blending function.
+ */
+static void init(void)
+{
+   glBlendEquation (GL_FUNC_SUBTRACT);
+   glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+   glShadeModel (GL_FLAT);
+   glClearColor (1.0, 0.0, 0.0, 0.0);
+}
+
+static void drawLeftTriangle(void)
+{
+   /* draw yellow triangle on LHS of screen */
+
+   glBegin (GL_TRIANGLES);
+      glColor4f(1.0, 1.0, 0.0, 0.75);
+      glVertex3f(0.1, 0.9, 0.0); 
+      glVertex3f(0.1, 0.1, 0.0); 
+      glVertex3f(0.7, 0.5, 0.0); 
+   glEnd();
+}
+
+static void drawRightTriangle(void)
+{
+   /* draw cyan triangle on RHS of screen */
+
+   glEnable (GL_BLEND);
+   glBegin (GL_TRIANGLES);
+      glColor4f(0.0, 1.0, 1.0, 0.75);
+      glVertex3f(0.9, 0.9, 0.0); 
+      glVertex3f(0.3, 0.5, 0.0); 
+      glVertex3f(0.9, 0.1, 0.0); 
+   glEnd();
+   glDisable (GL_BLEND);
+}
+
+void display(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT);
+
+   if (leftFirst) {
+      drawLeftTriangle();
+      drawRightTriangle();
+   }
+   else {
+      drawRightTriangle();
+      drawLeftTriangle();
+   }
+
+   glFlush();
+}
+
+void reshape(int w, int h)
+{
+   glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   if (w <= h) 
+      gluOrtho2D (0.0, 1.0, 0.0, 1.0*(GLfloat)h/(GLfloat)w);
+   else 
+      gluOrtho2D (0.0, 1.0*(GLfloat)w/(GLfloat)h, 0.0, 1.0);
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 't':
+      case 'T':
+         leftFirst = !leftFirst;
+         glutPostRedisplay();	
+         break;
+      case 27:  /*  Escape key  */
+         exit(0);
+         break;
+      default:
+         break;
+   }
+}
+
+/*  Main Loop
+ *  Open window with initial window size, title bar, 
+ *  RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+   glutInitWindowSize (200, 200);
+   glutCreateWindow (argv[0]);
+   init();
+   glutReshapeFunc (reshape);
+   glutKeyboardFunc (keyboard);
+   glutDisplayFunc (display);
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/trivial/tri-blend.c b/progs/trivial/tri-blend.c
index 284d15fd3c..58c451c976 100644
--- a/progs/trivial/tri-blend.c
+++ b/progs/trivial/tri-blend.c
@@ -132,7 +132,7 @@ void keyboard(unsigned char key, int x, int y)
 int main(int argc, char** argv)
 {
    glutInit(&argc, argv);
-   glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+   glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_ALPHA);
    glutInitWindowSize (200, 200);
    glutCreateWindow (argv[0]);
    init();
diff --git a/progs/trivial/tri-clear.c b/progs/trivial/tri-clear.c
new file mode 100644
index 0000000000..25ea77cfa7
--- /dev/null
+++ b/progs/trivial/tri-clear.c
@@ -0,0 +1,143 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+GLint Width = 250, Height = 250;
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glBegin(GL_TRIANGLES);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.9,  0.9, -30.0);
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.9,  0.0, -30.0);
+   glEnd();
+
+   glEnable(GL_SCISSOR_TEST);
+   glClearColor(1, 0, 1, 0);
+   glScissor(Width / 2, Height / 2, Width - Width / 2, Height - Height / 2);
+   glClear(GL_COLOR_BUFFER_BIT); 
+   glDisable(GL_SCISSOR_TEST);
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(100, 0); glutInitWindowSize( Width, Height);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/tri-clip.c b/progs/trivial/tri-clip.c
index bf48533adc..f30445cdba 100644
--- a/progs/trivial/tri-clip.c
+++ b/progs/trivial/tri-clip.c
@@ -28,26 +28,21 @@
 #include <GL/glut.h>
 
 
-#define CI_OFFSET_1 16
-#define CI_OFFSET_2 32
+static GLenum doubleBuffer;
+static GLfloat Xpos = 0, Ypos = 0;
 
 
-GLenum doubleBuffer;
-
 static void Init(void)
 {
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
-
-    glClearColor(0.0, 0.0, 1.0, 0.0);
+   glClearColor(0.0, 0.0, 1.0, 0.0);
 }
 
 static void Reshape(int width, int height)
 {
-
     glViewport(0, 0, (GLint)width, (GLint)height);
-
     glMatrixMode(GL_PROJECTION);
     glLoadIdentity();
     glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
@@ -56,21 +51,45 @@ static void Reshape(int width, int height)
 
 static void Key(unsigned char key, int x, int y)
 {
-
     switch (key) {
       case 27:
 	exit(1);
       default:
 	return;
     }
-
     glutPostRedisplay();
 }
 
+static void
+SpecialKey(int key, int x, int y)
+{
+   const GLfloat step = 0.25;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case GLUT_KEY_UP:
+         Ypos += step;
+         break;
+      case GLUT_KEY_DOWN:
+         Ypos -= step;
+         break;
+      case GLUT_KEY_LEFT:
+         Xpos -= step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Xpos += step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
 static void Draw(void)
 {
    glClear(GL_COLOR_BUFFER_BIT); 
 
+   glPushMatrix();
+   glTranslatef(Xpos, Ypos, 0);
+
    glBegin(GL_TRIANGLES);
    glColor3f(0,0,.7); 
    glVertex3f( 0.9, -0.9, -30.0);
@@ -80,12 +99,13 @@ static void Draw(void)
    glVertex3f(-1.9,  0.0, -30.0);
    glEnd();
 
+   glPopMatrix();
+
    glFlush();
 
    if (doubleBuffer) {
       glutSwapBuffers();
    }
-
 }
 
 static GLenum Args(int argc, char **argv)
@@ -131,7 +151,8 @@ int main(int argc, char **argv)
 
     glutReshapeFunc(Reshape);
     glutKeyboardFunc(Key);
+    glutSpecialFunc(SpecialKey);
     glutDisplayFunc(Draw);
     glutMainLoop();
-	return 0;
+    return 0;
 }
diff --git a/progs/trivial/tri-cull-both.c b/progs/trivial/tri-cull-both.c
new file mode 100644
index 0000000000..51b5865ae5
--- /dev/null
+++ b/progs/trivial/tri-cull-both.c
@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+   glClearColor(0.0, 0.0, 1.0, 0.0);
+   glCullFace(GL_FRONT_AND_BACK);
+   glEnable(GL_CULL_FACE);
+
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+
+   
+   glBegin(GL_TRIANGLES);
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.93,  0.9, -30.0);
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.93,  0.0, -30.0);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.93, -0.8, -30.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/tri-cull.c b/progs/trivial/tri-cull.c
index 20aeaf1d7c..2eead84115 100644
--- a/progs/trivial/tri-cull.c
+++ b/progs/trivial/tri-cull.c
@@ -27,25 +27,45 @@
 #include <stdlib.h>
 #include <GL/glut.h>
 
+static GLenum doubleBuffer;
+static GLint cullmode = 0;
+static GLenum front = GL_CCW; /* GL default */
 
-#define CI_OFFSET_1 16
-#define CI_OFFSET_2 32
-
-
-GLenum doubleBuffer;
+static void cull(void)
+{
+   cullmode = (cullmode + 1) % 4;
+   if (cullmode == 0) {
+      glCullFace(GL_FRONT);
+      glEnable(GL_CULL_FACE);
+      printf("cull GL_FRONT\n");
+   }
+   else if (cullmode == 1) {
+      glCullFace(GL_BACK);
+      glEnable(GL_CULL_FACE);
+      printf("cull GL_BACK\n");
+   }
+   else if (cullmode == 2) {
+      glCullFace(GL_FRONT_AND_BACK);
+      glEnable(GL_CULL_FACE);
+      printf("cull GL_FRONT_AND_BACK\n");
+   }
+   else {
+      glDisable(GL_CULL_FACE);
+      printf("cull none\n");
+   }
+}
 
 static void Init(void)
 {
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
-
-    glClearColor(0.0, 0.0, 1.0, 0.0);
+   glClearColor(0.0, 0.0, 1.0, 0.0);
+   cull();
 }
 
 static void Reshape(int width, int height)
 {
-
     glViewport(0, 0, (GLint)width, (GLint)height);
 
     glMatrixMode(GL_PROJECTION);
@@ -56,15 +76,21 @@ static void Reshape(int width, int height)
 
 static void Key(unsigned char key, int x, int y)
 {
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
+   switch (key) {
+   case 27:
+      exit(1);
+   case 'c':
+      cull();
+      break;
+   case 'f':
+      front = ((front == GL_CCW) ? GL_CW : GL_CCW);
+      glFrontFace(front);
+      printf("front face = %s\n", front == GL_CCW ? "GL_CCW" : "GL_CW");
+      break;
+   default:
+      return;
+   }
+   glutPostRedisplay();
 }
 
 static void Draw(void)
@@ -72,12 +98,22 @@ static void Draw(void)
    glClear(GL_COLOR_BUFFER_BIT); 
 
    glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( -1.5, 0.5, -30.0);
-   glColor3f(1,0,0); 
-   glVertex3f( 0,  2.0, -30.0);
-   glColor3f(0,1,0); 
-   glVertex3f(-1.5, 2.0, -30.0);
+   /* CCW / front-facing */
+   glColor3f(0,0,.7); 
+   glVertex3f(-0.1, -0.9, -30.0);
+   glColor3f(.8,0,0); 
+   glVertex3f(-0.1,  0.9, -30.0);
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.9,  0.0, -30.0);
+
+   /* CW / back-facing */
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.1, -0.9, -30.0);
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.1,  0.9, -30.0);
+   glColor3f(0,.9,0); 
+   glVertex3f( 0.9,  0.0, -30.0);
+
    glEnd();
 
    glFlush();
@@ -118,7 +154,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
@@ -132,5 +168,5 @@ int main(int argc, char **argv)
     glutKeyboardFunc(Key);
     glutDisplayFunc(Draw);
     glutMainLoop();
-	return 0;
+    return 0;
 }
diff --git a/progs/trivial/tri-dlist.c b/progs/trivial/tri-dlist.c
index e0ab285eff..c21c4714ad 100644
--- a/progs/trivial/tri-dlist.c
+++ b/progs/trivial/tri-dlist.c
@@ -132,7 +132,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/tri-edgeflag.c b/progs/trivial/tri-edgeflag.c
index bdc0eaa253..41899c2eb4 100644
--- a/progs/trivial/tri-edgeflag.c
+++ b/progs/trivial/tri-edgeflag.c
@@ -27,25 +27,18 @@
 #include <stdlib.h>
 #include <GL/glut.h>
 
-
-#define CI_OFFSET_1 16
-#define CI_OFFSET_2 32
-
-
-GLenum doubleBuffer;
+static GLenum doubleBuffer;
+static GLenum frontface = GL_CCW;
 
 static void Init(void)
 {
    fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
-
-    glClearColor(0.0, 0.0, 1.0, 0.0);
 }
 
 static void Reshape(int width, int height)
 {
-
     glViewport(0, 0, (GLint)width, (GLint)height);
 
     glMatrixMode(GL_PROJECTION);
@@ -56,13 +49,16 @@ static void Reshape(int width, int height)
 
 static void Key(unsigned char key, int x, int y)
 {
-
-    switch (key) {
-      case 27:
-	exit(1);
-      default:
-	return;
-    }
+   switch (key) {
+   case 'f':
+      frontface = (frontface == GL_CCW) ? GL_CW : GL_CCW;
+      glFrontFace(frontface);
+      break;
+   case 27:
+      exit(1);
+   default:
+      return;
+   }
 
     glutPostRedisplay();
 }
@@ -75,7 +71,7 @@ static void Draw(void)
 
    glBegin(GL_TRIANGLES);
    glEdgeFlag(1);
-   glColor3f(0,0,.7); 
+   glColor3f(0.3,0.3,.9); 
    glVertex3f( 0.9, -0.9, -0.0);
    glEdgeFlag(0);
    glColor3f(.8,0,0); 
@@ -123,7 +119,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
@@ -137,5 +133,5 @@ int main(int argc, char **argv)
     glutKeyboardFunc(Key);
     glutDisplayFunc(Draw);
     glutMainLoop();
-	return 0;
+    return 0;
 }
diff --git a/progs/trivial/tri-fbo-tex.c b/progs/trivial/tri-fbo-tex.c
new file mode 100644
index 0000000000..d413d4081f
--- /dev/null
+++ b/progs/trivial/tri-fbo-tex.c
@@ -0,0 +1,267 @@
+/*
+ * Test GL_EXT_framebuffer_object render-to-texture
+ *
+ * Draw a teapot into a texture image with stenciling.
+ * Then draw a textured quad using that texture.
+ *
+ * Brian Paul
+ * 18 Apr 2005
+ */
+
+
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+
+/* For debug */
+
+
+static int Win = 0;
+static int Width = 512, Height = 512;
+
+static GLenum TexTarget = GL_TEXTURE_2D;
+static int TexWidth = 512, TexHeight = 512;
+
+static GLuint MyFB;
+static GLuint TexObj;
+static GLboolean Anim = GL_FALSE;
+static GLfloat Rot = 0.0;
+static GLuint TextureLevel = 0;  /* which texture level to render to */
+static GLenum TexIntFormat = GL_RGB; /* either GL_RGB or GL_RGBA */
+
+
+static void
+CheckError(int line)
+{
+   GLenum err = glGetError();
+   if (err) {
+      printf("GL Error 0x%x at line %d\n", (int) err, line);
+   }
+}
+
+
+static void
+Idle(void)
+{
+   Rot = glutGet(GLUT_ELAPSED_TIME) * 0.1;
+   glutPostRedisplay();
+}
+
+
+static void
+RenderTexture(void)
+{
+   GLenum status;
+
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(-1.0, 1.0, -1.0, 1.0, 5.0, 25.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -15.0);
+
+   if (1) {
+      /* draw to texture image */
+      glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB);
+
+      status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
+      if (status != GL_FRAMEBUFFER_COMPLETE_EXT) {
+	 printf("Framebuffer incomplete!!!\n");
+      }
+
+      glViewport(0, 0, TexWidth, TexHeight);
+
+      glClearColor(0.5, 0.5, 1.0, 0.0);
+      glClear(GL_COLOR_BUFFER_BIT);
+      
+      CheckError(__LINE__);
+
+      glBegin(GL_POLYGON);
+      glColor3f(1, 0, 0);
+      glVertex2f(-1, -1);
+      glColor3f(0, 1, 0);
+      glVertex2f(1, -1);
+      glColor3f(0, 0, 1);
+      glVertex2f(0, 1);
+      glEnd();
+
+      /* Bind normal framebuffer */
+      glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+   }
+   else {
+   }
+
+   CheckError(__LINE__);
+}
+
+
+
+static void
+Display(void)
+{
+   float ar = (float) Width / (float) Height;
+
+   RenderTexture();
+   
+   /* draw textured quad in the window */
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum(-ar, ar, -1.0, 1.0, 5.0, 25.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -7.0);
+
+   glViewport(0, 0, Width, Height);
+
+   glClearColor(0.25, 0.25, 0.25, 0);
+   glClear(GL_COLOR_BUFFER_BIT);
+
+   glPushMatrix();
+   glRotatef(Rot, 0, 1, 0);
+   glEnable(TexTarget);
+   glBindTexture(TexTarget, TexObj);
+
+   {
+      glBegin(GL_POLYGON);
+      glColor3f(0.25, 0.25, 0.25);
+      glTexCoord2f(0, 0);
+      glVertex2f(-1, -1);
+      glTexCoord2f(1, 0);
+      glVertex2f(1, -1);
+      glColor3f(1.0, 1.0, 1.0);
+      glTexCoord2f(1, 1);
+      glVertex2f(1, 1);
+      glTexCoord2f(0, 1);
+      glVertex2f(-1, 1);
+      glEnd();
+   }
+
+   glPopMatrix();
+   glDisable(TexTarget);
+
+   glutSwapBuffers();
+   CheckError(__LINE__);
+}
+
+
+static void
+Reshape(int width, int height)
+{
+   glViewport(0, 0, width, height);
+   Width = width;
+   Height = height;
+}
+
+
+static void
+CleanUp(void)
+{
+   glDeleteFramebuffersEXT(1, &MyFB);
+
+   glDeleteTextures(1, &TexObj);
+
+   glutDestroyWindow(Win);
+
+   exit(0);
+}
+
+
+static void
+Key(unsigned char key, int x, int y)
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 'a':
+         Anim = !Anim;
+         if (Anim)
+            glutIdleFunc(Idle);
+         else
+            glutIdleFunc(NULL);
+         break;
+      case 's':
+         Rot += 2.0;
+         break;
+      case 27:
+         CleanUp();
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+Init(int argc, char *argv[])
+{
+   static const GLfloat mat[4] = { 1.0, 0.5, 0.5, 1.0 };
+   GLint i;
+
+   if (!glutExtensionSupported("GL_EXT_framebuffer_object")) {
+      printf("GL_EXT_framebuffer_object not found!\n");
+      exit(0);
+   }
+
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+
+
+   /* Make texture object/image */
+   glGenTextures(1, &TexObj);
+   glBindTexture(TexTarget, TexObj);
+   glTexParameteri(TexTarget, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+   glTexParameteri(TexTarget, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+   glTexParameteri(TexTarget, GL_TEXTURE_BASE_LEVEL, TextureLevel);
+   glTexParameteri(TexTarget, GL_TEXTURE_MAX_LEVEL, TextureLevel);
+
+   glTexImage2D(TexTarget, 0, TexIntFormat, TexWidth, TexHeight, 0,
+                GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+
+
+   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+
+
+
+
+   /* gen framebuffer id, delete it, do some assertions, just for testing */
+   glGenFramebuffersEXT(1, &MyFB);
+   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB);
+   assert(glIsFramebufferEXT(MyFB));
+
+
+   CheckError(__LINE__);
+
+   /* Render color to texture */
+   glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
+                             TexTarget, TexObj, TextureLevel);
+
+
+
+   CheckError(__LINE__);
+
+   /* bind regular framebuffer */
+   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+
+
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   glutInit(&argc, argv);
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(Width, Height);
+   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
+   Win = glutCreateWindow(argv[0]);
+   glutReshapeFunc(Reshape);
+   glutKeyboardFunc(Key);
+   glutDisplayFunc(Display);
+   if (Anim)
+      glutIdleFunc(Idle);
+   Init(argc, argv);
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/trivial/tri-fbo.c b/progs/trivial/tri-fbo.c
new file mode 100644
index 0000000000..82d70c40b7
--- /dev/null
+++ b/progs/trivial/tri-fbo.c
@@ -0,0 +1,200 @@
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <string.h>
+
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+
+
+static int Width = 400, Height = 400;
+static GLuint MyFB, MyRB;
+
+
+#define CheckError() assert(glGetError() == 0)
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+
+   if (!glutExtensionSupported("GL_EXT_framebuffer_object")) {
+      printf("GL_EXT_framebuffer_object not found!\n");
+      exit(0);
+   }
+
+
+   glGenFramebuffersEXT(1, &MyFB);
+   glGenRenderbuffersEXT(1, &MyRB);
+
+   {
+      glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB);
+
+      glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, MyRB);
+
+      glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT1_EXT,
+				   GL_RENDERBUFFER_EXT, MyRB);
+
+      glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGB, Width, Height);
+
+      glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+   }
+
+   glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+
+
+static void
+Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+   glMatrixMode( GL_MODELVIEW );
+
+   Width = width;
+   Height = height;
+   glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGB, Width, Height);
+}
+
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+
+
+static void Draw( void )
+{
+
+   /* draw to user framebuffer */
+   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB);
+   glDrawBuffer(GL_COLOR_ATTACHMENT1_EXT);
+   glReadBuffer(GL_COLOR_ATTACHMENT1_EXT);
+
+   glClearColor(0.5, 0.5, 1.0, 0.0);
+   glClear(GL_COLOR_BUFFER_BIT);
+   CheckError();
+
+   glBegin(GL_TRIANGLES);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.9,  0.9, -30.0);
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.9,  0.0, -30.0);
+   glEnd();
+
+
+   {
+      GLubyte *buffer = malloc(Width * Height * 4);
+
+      /* read from user framebuffer */
+      glReadPixels(0, 0, Width-60, Height-60, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
+      CheckError();
+
+      /* draw to window */
+      glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+      /* Try to clear the window, but will overwrite:
+       */
+      glClearColor(0.8, 0.8, 0, 0.0);
+      glClear(GL_COLOR_BUFFER_BIT);
+
+      glWindowPos2iARB(30, 30);
+      glDrawPixels(Width-60, Height-60, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
+      
+      
+      free(buffer);
+   }
+   
+   /* Bind normal framebuffer */
+   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+
+   if (1) {
+      glBegin(GL_TRIANGLES);
+      glColor3f(0,.7,0); 
+      glVertex3f( 0.5, -0.5, -30.0);
+      glColor3f(0,0,.8); 
+      glVertex3f( 0.5,  0.5, -30.0);
+      glColor3f(.9,0,0); 
+      glVertex3f(-0.5,  0.0, -30.0);
+      glEnd();
+   }
+
+   if (doubleBuffer)
+      glutSwapBuffers();
+   else
+      glFinish();
+
+   CheckError();
+}
+
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+
+
+int
+main( int argc, char *argv[] )
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(100, 0); glutInitWindowSize( Width, Height );
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow(argv[0]) == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+    return 0;
+}
diff --git a/progs/trivial/tri-flat-clip.c b/progs/trivial/tri-flat-clip.c
index fafa64914d..155b0c4f8d 100644
--- a/progs/trivial/tri-flat-clip.c
+++ b/progs/trivial/tri-flat-clip.c
@@ -119,7 +119,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/tri-flat.c b/progs/trivial/tri-flat.c
index fb2cdbd7bb..0583a2a99a 100644
--- a/progs/trivial/tri-flat.c
+++ b/progs/trivial/tri-flat.c
@@ -119,7 +119,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/tri-fog.c b/progs/trivial/tri-fog.c
new file mode 100644
index 0000000000..75f3262ecf
--- /dev/null
+++ b/progs/trivial/tri-fog.c
@@ -0,0 +1,152 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+GLint Width = 250, Height = 250;
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glEnable(GL_FOG);
+
+   glBegin(GL_TRIANGLES);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.9,  0.9, -30.0);
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.9,  0.0, -30.0);
+   glEnd();
+
+#if 0
+   glBegin(GL_TRIANGLES);
+   glColor3f(0,0,.7); 
+   glVertex3f(-0.9, -0.9, -30.0);
+   glColor3f(.8,0,0); 
+   glVertex3f(-0.9,  0.9, -30.0);
+   glColor3f(0,.9,0); 
+   glVertex3f( 0.9,  0.0, -30.0);
+   glEnd();
+#endif
+
+   glDisable(GL_FOG);
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(100, 0); glutInitWindowSize(Width, Height);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/tri-mask-tri.c b/progs/trivial/tri-mask-tri.c
new file mode 100644
index 0000000000..8333f7ed8a
--- /dev/null
+++ b/progs/trivial/tri-mask-tri.c
@@ -0,0 +1,153 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+GLint Width = 250, Height = 250;
+GLenum doubleBuffer;
+GLint Win;
+GLboolean Rmask = GL_TRUE, Gmask = GL_FALSE, Bmask = GL_TRUE;
+
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+   glViewport(0, 0, (GLint)width, (GLint)height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+   glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+   switch (key) {
+   case 'r':
+      Rmask = !Rmask;
+      break;
+   case 'g':
+      Gmask = !Gmask;
+      break;
+   case 'b':
+      Bmask = !Bmask;
+      break;
+   case 27:
+      glutDestroyWindow(Win);
+      exit(1);
+   default:
+      return;
+   }
+   glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   printf("ColorMask = %d, %d, %d\n", Rmask, Gmask, Bmask);
+   glColorMask(1,1,1,1);
+
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   /* right triangle: green */
+   glBegin(GL_TRIANGLES);
+   glColor3f(0,1,0); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glVertex3f( 0.9,  0.9, -30.0);
+   glVertex3f(-0.9,  0.0, -30.0);
+   glEnd();
+
+   glColorMask(Rmask, Gmask, Bmask, 0);
+
+   /* left triangle: white&mask: purple   middle region: white */
+   glBegin(GL_TRIANGLES);
+   glColor3f(1,1,1); 
+   glVertex3f(-0.9, -0.9, -30.0);
+   glVertex3f(-0.9,  0.9, -30.0);
+   glVertex3f( 0.9,  0.0, -30.0);
+   glEnd();
+
+   glDisable(GL_SCISSOR_TEST);
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+   GLint i;
+
+   doubleBuffer = GL_FALSE;
+
+   for (i = 1; i < argc; i++) {
+      if (strcmp(argv[i], "-sb") == 0) {
+         doubleBuffer = GL_FALSE;
+      }
+      else if (strcmp(argv[i], "-db") == 0) {
+         doubleBuffer = GL_TRUE;
+      }
+      else {
+         fprintf(stderr, "%s (Bad option).\n", argv[i]);
+         return GL_FALSE;
+      }
+   }
+   return GL_TRUE;
+}
+
+
+int main(int argc, char **argv)
+{
+   GLenum type;
+
+   glutInit(&argc, argv);
+
+   if (Args(argc, argv) == GL_FALSE) {
+      exit(1);
+   }
+
+   type = GLUT_RGB;
+   type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+
+   glutInitWindowPosition(100, 0); glutInitWindowSize(Width, Height);
+   glutInitDisplayMode(type);
+   Win = glutCreateWindow("First Tri");
+   Init();
+   glutReshapeFunc(Reshape);
+   glutKeyboardFunc(Key);
+   glutDisplayFunc(Draw);
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/trivial/tri-orig.c b/progs/trivial/tri-orig.c
new file mode 100644
index 0000000000..d5e6742ce1
--- /dev/null
+++ b/progs/trivial/tri-orig.c
@@ -0,0 +1,136 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+/*     glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0); */
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glBegin(GL_TRIANGLES);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, -0.0);
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.9,  0.9, -0.0);
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.9,  0.0, -0.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB | GLUT_ALPHA;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/tri-query.c b/progs/trivial/tri-query.c
new file mode 100644
index 0000000000..c9161c4f0a
--- /dev/null
+++ b/progs/trivial/tri-query.c
@@ -0,0 +1,158 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+static GLuint OccQuery;
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+
+   glGenQueriesARB(1, &OccQuery);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   GLuint passed;
+   GLint ready;
+
+   glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); 
+
+   glEnable(GL_DEPTH_TEST);
+
+   glBeginQueryARB(GL_SAMPLES_PASSED_ARB, OccQuery);
+
+   glBegin(GL_TRIANGLES);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.9,  0.9, -30.0);
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.9,  0.0, -30.0);
+   glEnd();
+
+   glEndQueryARB(GL_SAMPLES_PASSED_ARB);
+
+   do {
+      /* do useful work here, if any */
+      glGetQueryObjectivARB(OccQuery, GL_QUERY_RESULT_AVAILABLE_ARB, &ready);
+   } while (!ready);
+   glGetQueryObjectuivARB(OccQuery, GL_QUERY_RESULT_ARB, &passed);
+
+   fprintf(stderr, " %d Fragments Visible\n", passed);
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(100, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB | GLUT_DEPTH;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/tri-scissor-tri.c b/progs/trivial/tri-scissor-tri.c
new file mode 100644
index 0000000000..dcc6d282dc
--- /dev/null
+++ b/progs/trivial/tri-scissor-tri.c
@@ -0,0 +1,151 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+GLint Width = 250, Height = 250;
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glBegin(GL_TRIANGLES);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.9,  0.9, -30.0);
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.9,  0.0, -30.0);
+   glEnd();
+
+   glScissor(Width / 4, Height / 4, Width / 2, Height / 2);
+   glEnable(GL_SCISSOR_TEST);
+
+   glBegin(GL_TRIANGLES);
+   glColor3f(0,0,.7); 
+   glVertex3f(-0.9, -0.9, -30.0);
+   glColor3f(.8,0,0); 
+   glVertex3f(-0.9,  0.9, -30.0);
+   glColor3f(0,.9,0); 
+   glVertex3f( 0.9,  0.0, -30.0);
+   glEnd();
+
+   glDisable(GL_SCISSOR_TEST);
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(100, 0); glutInitWindowSize(Width, Height);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/tri-square.c b/progs/trivial/tri-square.c
new file mode 100644
index 0000000000..ef9ea63048
--- /dev/null
+++ b/progs/trivial/tri-square.c
@@ -0,0 +1,136 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluOrtho2D(0, (GLdouble)width, 0, (GLdouble)height);
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glColor3f(1,1,1); 
+
+   glBegin(GL_TRIANGLES);
+   glVertex3f( 10, 10, -30.0);
+   glVertex3f( 200, 150, -30.0);
+   glVertex3f( 10, 200, -30.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(100, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/tri-stencil.c b/progs/trivial/tri-stencil.c
new file mode 100644
index 0000000000..7686e16aef
--- /dev/null
+++ b/progs/trivial/tri-stencil.c
@@ -0,0 +1,158 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <GL/glut.h>
+
+
+static void Init(void)
+{
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-5.0, 5.0, -5.0, 5.0, -5.0, 5.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+        printf("Exiting...\n");
+	exit(1);
+      case 'r':
+        printf("Redisplaying...\n");
+        glutPostRedisplay();
+        break;
+      default:
+        printf("No such key '%c'...\n", key);
+        break;
+    }
+}
+
+static void Draw(void)
+{
+   glShadeModel(GL_FLAT);
+
+   {
+      glClearColor(0.0, 0.0, 0.0, 0.0);
+      glClearStencil(0);
+      glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT|GL_STENCIL_BUFFER_BIT);
+   }
+
+
+   glStencilMask(1);
+   glEnable(GL_STENCIL_TEST);
+   glStencilFunc(GL_ALWAYS, 1, 1);
+   glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
+
+   glColor3ub(200, 0, 0);
+   glBegin(GL_POLYGON);        
+   glVertex3i(-4, -4, 0);
+   glVertex3i( 4, -4, 0);
+   glVertex3i( 0,  4, 0);
+   glEnd();
+
+#if 1
+   glStencilFunc(GL_EQUAL, 1, 1);
+   glStencilOp(GL_INCR, GL_KEEP, GL_DECR);
+
+   glColor3ub(0, 200, 0);
+   glBegin(GL_POLYGON);
+   glVertex3i(3, 3, 0);
+   glVertex3i(-3, 3, 0);
+   glVertex3i(-3, -3, 0);
+   glVertex3i(3, -3, 0);
+   glEnd();
+#endif
+
+#if 1
+   glStencilFunc(GL_EQUAL, 1, 1);
+   glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
+
+   glColor3ub(0, 0, 200);
+   glBegin(GL_POLYGON);
+   glVertex3f(2.5, 2.5, 0);
+   glVertex3f(-2.5, 2.5, 0);
+   glVertex3f(-2.5, -2.5, 0);
+   glVertex3f(2.5, -2.5, 0);
+   glEnd();
+#endif
+
+   glFlush();
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+
+    for (i = 1; i < argc; i++) {
+	if (strcmp(argv[i], "-dr") == 0) {
+	} else {
+	    printf("%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); 
+    glutInitWindowSize( 300, 300);
+
+    type = GLUT_RGB | GLUT_SINGLE | GLUT_DEPTH | GLUT_STENCIL;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("Stencil Test") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/tri-tex-3d.c b/progs/trivial/tri-tex-3d.c
index 6a9d1d1bf6..613803fd1b 100644
--- a/progs/trivial/tri-tex-3d.c
+++ b/progs/trivial/tri-tex-3d.c
@@ -152,7 +152,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/tri-tex.c b/progs/trivial/tri-tex.c
new file mode 100644
index 0000000000..a0d75b4a33
--- /dev/null
+++ b/progs/trivial/tri-tex.c
@@ -0,0 +1,168 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+
+
+#define SIZE 32
+   {
+      GLubyte tex2d[SIZE][SIZE][3];
+      GLint s, t;
+
+      for (s = 0; s < SIZE; s++) {
+	 for (t = 0; t < SIZE; t++) {
+#if 0
+	    tex2d[t][s][0] = (s < SIZE/2) ? 0 : 255;
+	    tex2d[t][s][1] = (t < SIZE/2) ? 0 : 255;
+	    tex2d[t][s][2] = 0;
+#else
+	    tex2d[t][s][0] = s*255/(SIZE-1);
+	    tex2d[t][s][1] = t*255/(SIZE-1);
+	    tex2d[t][s][2] = 0;
+#endif
+	 }
+      }
+
+      glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+      glTexImage2D(GL_TEXTURE_2D, 0, 3, SIZE, SIZE, 0,
+                   GL_RGB, GL_UNSIGNED_BYTE, tex2d);
+
+      glEnable(GL_TEXTURE_2D);
+      glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_REPEAT);
+      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+      glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
+   }
+
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+/*     glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0); */
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glBegin(GL_TRIANGLES);
+   glTexCoord2f(1,-1); 
+   glVertex3f( 0.9, -0.9, -0.0);
+   glTexCoord2f(1,1); 
+   glVertex3f( 0.9,  0.9, -0.0);
+   glTexCoord2f(-1,0); 
+   glVertex3f(-0.9,  0.0, -0.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB | GLUT_ALPHA;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/tri-tri.c b/progs/trivial/tri-tri.c
new file mode 100644
index 0000000000..06a0528eb8
--- /dev/null
+++ b/progs/trivial/tri-tri.c
@@ -0,0 +1,145 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glBegin(GL_TRIANGLES);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.9,  0.9, -30.0);
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.9,  0.0, -30.0);
+   glEnd();
+
+   glBegin(GL_TRIANGLES);
+   glColor3f(0,0,.7); 
+   glVertex3f(-0.9, -0.9, -30.0);
+   glColor3f(.8,0,0); 
+   glVertex3f(-0.9,  0.9, -30.0);
+   glColor3f(0,.9,0); 
+   glVertex3f( 0.9,  0.0, -30.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(100, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/tri-unfilled-clip.c b/progs/trivial/tri-unfilled-clip.c
index d486af2365..df161df3fb 100644
--- a/progs/trivial/tri-unfilled-clip.c
+++ b/progs/trivial/tri-unfilled-clip.c
@@ -119,7 +119,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/tri-unfilled-edgeflag.c b/progs/trivial/tri-unfilled-edgeflag.c
new file mode 100644
index 0000000000..31f41f6220
--- /dev/null
+++ b/progs/trivial/tri-unfilled-edgeflag.c
@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+/*     glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0); */
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+   glPolygonMode(GL_FRONT, GL_LINE);
+   glPolygonMode(GL_BACK, GL_LINE);
+
+   glBegin(GL_TRIANGLES);
+   glEdgeFlag(1);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, -0.0);
+   glEdgeFlag(0);
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.9,  0.9, -0.0);
+   glEdgeFlag(1);
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.9,  0.0, -0.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB | GLUT_ALPHA;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/tri-unfilled-point.c b/progs/trivial/tri-unfilled-point.c
new file mode 100644
index 0000000000..71ac453d60
--- /dev/null
+++ b/progs/trivial/tri-unfilled-point.c
@@ -0,0 +1,138 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+/*     glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0); */
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+   glPolygonMode(GL_FRONT, GL_POINT);
+   glPolygonMode(GL_BACK, GL_POINT);
+
+   glBegin(GL_TRIANGLES);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, -0.0);
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.9,  0.9, -0.0);
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.9,  0.0, -0.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/tri-unfilled-smooth.c b/progs/trivial/tri-unfilled-smooth.c
index e41903a3d5..f70c1cd9d4 100644
--- a/progs/trivial/tri-unfilled-smooth.c
+++ b/progs/trivial/tri-unfilled-smooth.c
@@ -132,7 +132,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/tri-unfilled-userclip-stip.c b/progs/trivial/tri-unfilled-userclip-stip.c
new file mode 100644
index 0000000000..4aefa85032
--- /dev/null
+++ b/progs/trivial/tri-unfilled-userclip-stip.c
@@ -0,0 +1,147 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   static GLdouble plane[4] = { -.5, 0, 1, 0 };
+
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+   glClearColor(0.0, 0.0, 1.0, 0.0);	
+   glClipPlane(GL_CLIP_PLANE0, plane);
+   glEnable(GL_CLIP_PLANE0);
+   glLineWidth( 4 );
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+/*     glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0); */
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+   glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+
+   glEnable(GL_LINE_STIPPLE);
+   glLineStipple( 5, 0xfffe );
+
+
+
+   glBegin(GL_TRIANGLES);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, 0.0);
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.9,  0.9, 0.0);
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.9,  0.0, 0.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/tri-unfilled-userclip.c b/progs/trivial/tri-unfilled-userclip.c
index dc93a8f1ab..9201f9d433 100644
--- a/progs/trivial/tri-unfilled-userclip.c
+++ b/progs/trivial/tri-unfilled-userclip.c
@@ -123,7 +123,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/tri-unfilled.c b/progs/trivial/tri-unfilled.c
index 73961bc93a..1e44823db5 100644
--- a/progs/trivial/tri-unfilled.c
+++ b/progs/trivial/tri-unfilled.c
@@ -120,7 +120,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/tri-userclip.c b/progs/trivial/tri-userclip.c
index cde9662ace..ccf631dff8 100644
--- a/progs/trivial/tri-userclip.c
+++ b/progs/trivial/tri-userclip.c
@@ -122,7 +122,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/tri-z-9.c b/progs/trivial/tri-z-9.c
new file mode 100644
index 0000000000..4bd9986166
--- /dev/null
+++ b/progs/trivial/tri-z-9.c
@@ -0,0 +1,139 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, 1, -1);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClearColor(0.0, 0.0, 1.0, 0.0);
+   glClearDepth(1.0);
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); 
+   glDepthFunc(GL_EQUAL);
+   glEnable(GL_DEPTH_TEST);
+
+   glBegin(GL_TRIANGLES);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, .5);
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.9,  0.9, .5);
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.9,  0.0, .5);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(100, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB | GLUT_DEPTH;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/tri-z-eq.c b/progs/trivial/tri-z-eq.c
new file mode 100644
index 0000000000..ad5f31a558
--- /dev/null
+++ b/progs/trivial/tri-z-eq.c
@@ -0,0 +1,139 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, 1, -1);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClearColor(0.0, 0.0, 1.0, 0.0);
+   glClearDepth(1.0);
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); 
+   glDepthFunc(GL_EQUAL);
+   glEnable(GL_DEPTH_TEST);
+
+   glBegin(GL_TRIANGLES);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, 1.0);
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.9,  0.9, 1.0);
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.9,  0.0, 1.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(100, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB | GLUT_DEPTH;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/tri-z.c b/progs/trivial/tri-z.c
new file mode 100644
index 0000000000..335d2b90e2
--- /dev/null
+++ b/progs/trivial/tri-z.c
@@ -0,0 +1,174 @@
+/*
+ * Copyright (c) 1993-1997, Silicon Graphics, Inc.
+ * ALL RIGHTS RESERVED 
+ * Permission to use, copy, modify, and distribute this software for 
+ * any purpose and without fee is hereby granted, provided that the above
+ * copyright notice appear in all copies and that both the copyright notice
+ * and this permission notice appear in supporting documentation, and that 
+ * the name of Silicon Graphics, Inc. not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. 
+ *
+ * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
+ * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
+ * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
+ * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
+ * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
+ * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
+ * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
+ * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
+ * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * US Government Users Restricted Rights 
+ * Use, duplication, or disclosure by the Government is subject to
+ * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
+ * (c)(1)(ii) of the Rights in Technical Data and Computer Software
+ * clause at DFARS 252.227-7013 and/or in similar or successor
+ * clauses in the FAR or the DOD or NASA FAR Supplement.
+ * Unpublished-- rights reserved under the copyright laws of the
+ * United States.  Contractor/manufacturer is Silicon Graphics,
+ * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
+ *
+ * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
+ */
+
+#include <GL/glut.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+static int leftFirst = GL_TRUE;
+
+static struct { GLenum func; const char *str; } funcs[] = 
+   {
+      { GL_LESS, "GL_LESS" },
+      { GL_LEQUAL, "GL_LEQUAL" },
+      { GL_GREATER, "GL_GREATER" },
+      { GL_GEQUAL, "GL_GEQUAL" },
+      { GL_EQUAL, "GL_EQUAL" },
+      { GL_NOTEQUAL, "GL_NOTEQUAL" },
+      { GL_ALWAYS, "GL_ALWAYS" },
+      { GL_NEVER, "GL_NEVER" },
+   };
+
+#define NUM_FUNCS (sizeof(funcs) / sizeof(funcs[0]))
+
+static int curFunc = 0;
+static double clearVal = 1.0;
+
+
+static void usage(void)
+{
+   printf("t - toggle rendering order of triangles\n");
+   printf("c - toggle Z clear value between 0, 1\n");
+   printf("f - cycle through depth test functions\n");
+}
+
+
+static void init(void)
+{
+   glEnable(GL_DEPTH_TEST);
+   glClearColor (1.0, 0.0, 0.0, 0.0);
+}
+
+static void drawLeftTriangle(void)
+{
+   /* draw yellow triangle on LHS of screen */
+   glBegin (GL_TRIANGLES);
+      glColor4f(1.0, 1.0, 0.0, 0.75);
+      glVertex3f(0.1, 0.9, -1.0); 
+      glVertex3f(0.1, 0.1, -1.0); 
+      glVertex3f(0.8, 0.5,  1.0); 
+   glEnd();
+}
+
+static void drawRightTriangle(void)
+{
+   /* draw cyan triangle on RHS of screen */
+   glBegin (GL_TRIANGLES);
+      glColor4f(0.0, 1.0, 1.0, 0.75);
+      glVertex3f(0.9, 0.9, 0.0); 
+      glVertex3f(0.2, 0.5, 0.0); 
+      glVertex3f(0.9, 0.1, 0.0); 
+   glEnd();
+}
+
+void display(void)
+{
+   printf("GL_CLEAR_DEPTH = %f  GL_DEPTH_FUNC = %s\n",
+          clearVal, funcs[curFunc].str);
+   glClearDepth(clearVal);
+   glDepthFunc(funcs[curFunc].func);
+
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   if (leftFirst) {
+      drawLeftTriangle();
+      drawRightTriangle();
+   }
+   else {
+      drawRightTriangle();
+      drawLeftTriangle();
+   }
+
+   glFlush();
+}
+
+void reshape(int w, int h)
+{
+   glViewport(0, 0, (GLsizei) w, (GLsizei) h);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   if (w <= h) 
+      gluOrtho2D (0.0, 1.0, 0.0, 1.0*(GLfloat)h/(GLfloat)w);
+   else 
+      gluOrtho2D (0.0, 1.0*(GLfloat)w/(GLfloat)h, 0.0, 1.0);
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 'c':
+      case 'C':
+         clearVal = 1.0 - clearVal;
+         glutPostRedisplay();	
+         break;
+      case 'f':
+      case 'F':
+         curFunc = (curFunc + 1) % NUM_FUNCS;
+         glutPostRedisplay();	
+         break;
+      case 't':
+      case 'T':
+         leftFirst = !leftFirst;
+         glutPostRedisplay();	
+         break;
+      case 27:  /*  Escape key  */
+         exit(0);
+         break;
+      default:
+         break;
+   }
+}
+
+/*  Main Loop
+ *  Open window with initial window size, title bar, 
+ *  RGBA display mode, and handle input events.
+ */
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
+   glutInitWindowSize (200, 200);
+   glutCreateWindow (argv[0]);
+   glutReshapeFunc (reshape);
+   glutKeyboardFunc (keyboard);
+   glutDisplayFunc (display);
+   init();
+   usage();
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/trivial/tri.c b/progs/trivial/tri.c
index d4a7f08ae3..d3c6b59ea5 100644
--- a/progs/trivial/tri.c
+++ b/progs/trivial/tri.c
@@ -32,7 +32,7 @@
 #define CI_OFFSET_2 32
 
 
-GLenum doubleBuffer;
+GLenum doubleBuffer = 1;
 int win;
 
 static void Init(void)
@@ -41,7 +41,7 @@ static void Init(void)
    fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
    fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
 
-    glClearColor(0.0, 0.0, 1.0, 0.0);
+    glClearColor(0.3, 0.1, 0.3, 0.0);
 }
 
 static void Reshape(int width, int height)
@@ -57,16 +57,13 @@ static void Reshape(int width, int height)
 
 static void Key(unsigned char key, int x, int y)
 {
-
-    switch (key) {
-      case 27:
-         glutDestroyWindow(win);
-	exit(0);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
+   switch (key) {
+   case 27:
+      exit(0);
+   default:
+      glutPostRedisplay();
+      return;
+   }
 }
 
 static void Draw(void)
@@ -74,12 +71,12 @@ static void Draw(void)
    glClear(GL_COLOR_BUFFER_BIT); 
 
    glBegin(GL_TRIANGLES);
-   glColor3f(0,0,.7); 
-   glVertex3f( 0.9, -0.9, -30.0);
    glColor3f(.8,0,0); 
-   glVertex3f( 0.9,  0.9, -30.0);
+   glVertex3f(-0.9, -0.9, -30.0);
    glColor3f(0,.9,0); 
-   glVertex3f(-0.9,  0.0, -30.0);
+   glVertex3f( 0.9, -0.9, -30.0);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.0,  0.9, -30.0);
    glEnd();
 
    glFlush();
@@ -93,8 +90,6 @@ static GLenum Args(int argc, char **argv)
 {
     GLint i;
 
-    doubleBuffer = GL_FALSE;
-
     for (i = 1; i < argc; i++) {
         if (strcmp(argv[i], "-sb") == 0) {
 	    doubleBuffer = GL_FALSE;
@@ -120,7 +115,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
@@ -135,5 +130,5 @@ int main(int argc, char **argv)
     glutKeyboardFunc(Key);
     glutDisplayFunc(Draw);
     glutMainLoop();
-	return 0;
+    return 0;
 }
diff --git a/progs/trivial/trifan-flat-clip.c b/progs/trivial/trifan-flat-clip.c
new file mode 100644
index 0000000000..04042fac70
--- /dev/null
+++ b/progs/trivial/trifan-flat-clip.c
@@ -0,0 +1,140 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+   glShadeModel(GL_FLAT);
+   
+
+   glBegin(GL_TRIANGLE_FAN);
+   glColor3f(1,0,0); 
+   glVertex3f( 0, 0, -30.0);
+   glColor3f(1,1,0); 
+   glVertex3f( 1.3,  1.1, -30.0);
+   glColor3f(1,0,1); 
+   glVertex3f(-.9,  .9, -30.0);
+   glColor3f(0,1,1); 
+   glVertex3f(-1.1,  -1.3, -30.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/trifan-flat-unfilled-clip.c b/progs/trivial/trifan-flat-unfilled-clip.c
new file mode 100644
index 0000000000..25224412cc
--- /dev/null
+++ b/progs/trivial/trifan-flat-unfilled-clip.c
@@ -0,0 +1,144 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+   glShadeModel(GL_FLAT);
+
+   glPolygonMode(GL_FRONT, GL_LINE);
+   glPolygonMode(GL_BACK, GL_LINE);
+   glLineWidth(4.0);
+   
+
+   glBegin(GL_TRIANGLE_FAN);
+   glColor3f(1,0,0); 
+   glVertex3f( 0, 0, -30.0);
+   glColor3f(1,1,0); 
+   glVertex3f( 1.3,  1.1, -30.0);
+   glColor3f(1,0,1); 
+   glVertex3f(-.9,  .9, -30.0);
+   glColor3f(0,1,1); 
+   glVertex3f(-1.1,  -1.3, -30.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/trifan-flat.c b/progs/trivial/trifan-flat.c
new file mode 100644
index 0000000000..737eccdcae
--- /dev/null
+++ b/progs/trivial/trifan-flat.c
@@ -0,0 +1,140 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+   glShadeModel(GL_FLAT);
+   
+
+   glBegin(GL_TRIANGLE_FAN);
+   glColor3f(1,0,0); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glColor3f(1,1,0); 
+   glVertex3f( 0.9,  0.9, -30.0);
+   glColor3f(1,0,1); 
+   glVertex3f(-0.9,  0.9, -30.0);
+   glColor3f(0,1,1); 
+   glVertex3f(-0.9,  -0.9, -30.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB | GLUT_ALPHA;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/trifan-unfilled.c b/progs/trivial/trifan-unfilled.c
new file mode 100644
index 0000000000..8e7454108c
--- /dev/null
+++ b/progs/trivial/trifan-unfilled.c
@@ -0,0 +1,139 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+   glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+
+   glBegin(GL_TRIANGLE_FAN);
+   glColor3f(1,0,0); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glColor3f(1,1,0); 
+   glVertex3f( 0.9,  0.9, -30.0);
+   glColor3f(1,0,1); 
+   glVertex3f(-0.9,  0.9, -30.0);
+   glColor3f(0,1,1); 
+   glVertex3f(-0.9,  -0.9, -30.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB | GLUT_ALPHA;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/trifan.c b/progs/trivial/trifan.c
new file mode 100644
index 0000000000..ecb0424393
--- /dev/null
+++ b/progs/trivial/trifan.c
@@ -0,0 +1,138 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glBegin(GL_TRIANGLE_FAN);
+   glColor3f(1,0,0); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glColor3f(1,1,0); 
+   glVertex3f( 0.9,  0.9, -30.0);
+   glColor3f(1,0,1); 
+   glVertex3f(-0.9,  0.9, -30.0);
+   glColor3f(0,1,1); 
+   glVertex3f(-0.9,  -0.9, -30.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB | GLUT_ALPHA;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/tristrip-flat.c b/progs/trivial/tristrip-flat.c
new file mode 100644
index 0000000000..e048233e67
--- /dev/null
+++ b/progs/trivial/tristrip-flat.c
@@ -0,0 +1,148 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+   glShadeModel(GL_FLAT);
+   
+   if (0) {
+      glBegin(GL_LINES);
+      glColor3f(1,0,0); 
+      glVertex3f( 0.95, -0.9, -30.0);
+      glColor3f(1,1,0); 
+      glVertex3f( 0.95,  0.9, -30.0);
+      glEnd();
+   }
+
+   glBegin(GL_TRIANGLE_STRIP);
+   glColor3f(1,0,0); 
+   glVertex3f( 0.9, -0.9, -30.0);
+   glColor3f(0,1,0); 
+   glVertex3f( 0.9,  0.9, -30.0);
+   glColor3f(0,0,.5); 
+   glVertex3f(-0.9,  -0.9, -30.0);
+   glColor3f(1,1,1); 
+   glVertex3f(-0.9,  0.9, -30.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/tristrip.c b/progs/trivial/tristrip.c
index fa82a73711..51ea4f2325 100644
--- a/progs/trivial/tristrip.c
+++ b/progs/trivial/tristrip.c
@@ -120,7 +120,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB;
+    type = GLUT_RGB | GLUT_ALPHA;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/vp-array-int.c b/progs/trivial/vp-array-int.c
new file mode 100644
index 0000000000..4d60f2bd5f
--- /dev/null
+++ b/progs/trivial/vp-array-int.c
@@ -0,0 +1,117 @@
+/* Test glGenProgramsNV(), glIsProgramNV(), glLoadProgramNV() */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+GLint verts[][4] = {
+   {  1, -1, 0, 1 },
+   {  1,  1, 0, 1 },
+   { -1,  1, 0, 1 },
+   { -1, -1, 0, 1 },
+};
+
+GLubyte color[][4] = {
+   { 0x00, 0x00, 0xff, 0x00 },
+   { 0x00, 0xff, 0x00, 0x00 },
+   { 0xff, 0x00, 0x00, 0x00 },
+   { 0xff, 0xff, 0xff, 0x00 },
+};
+
+GLuint indices[] = { 0, 1, 2, 3 };
+
+static void Init( void )
+{
+   GLint errno;
+   GLuint prognum;
+   
+   static const char *prog1 =
+      "!!ARBvp1.0\n"
+      "MOV  result.color, vertex.color;\n"
+      "MOV  result.position, vertex.position;\n"
+      "END\n";
+
+   glGenProgramsARB(1, &prognum);
+   glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
+   glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+		      strlen(prog1), (const GLubyte *) prog1);
+
+   assert(glIsProgramARB(prognum));
+   errno = glGetError();
+   printf("glGetError = %d\n", errno);
+   if (errno != GL_NO_ERROR)
+   {
+      GLint errorpos;
+
+      glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
+      printf("errorpos: %d\n", errorpos);
+      printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+   }
+
+
+   glEnableClientState( GL_VERTEX_ARRAY );
+   glEnableClientState( GL_COLOR_ARRAY );
+   glVertexPointer( 3, GL_INT, sizeof(verts[0]), verts );
+   glColorPointer( 4, GL_UNSIGNED_BYTE, 0, color );
+
+}
+
+
+
+static void Display( void )
+{
+   glClearColor(0.3, 0.3, 0.3, 1);
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glEnable(GL_VERTEX_PROGRAM_NV);
+   glDrawElements( GL_TRIANGLES, 3, GL_UNSIGNED_INT, indices );
+
+   glFlush(); 
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   /*glTranslatef( 0.0, 0.0, -15.0 );*/
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 250, 250 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_SINGLE | GLUT_DEPTH );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/trivial/vp-tri-cb-pos.c b/progs/trivial/vp-tri-cb-pos.c
new file mode 100644
index 0000000000..eb3aa0a8dc
--- /dev/null
+++ b/progs/trivial/vp-tri-cb-pos.c
@@ -0,0 +1,156 @@
+/* Test glGenProgramsNV(), glIsProgramNV(), glLoadProgramNV() */
+
+#include <stdio.h>
+#include <assert.h>
+#include <string.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   GLint errno;
+   GLuint prognum;
+   
+   static const char *prog1 =
+      "!!ARBvp1.0\n"
+      "PARAM Emission = state.material.emission; \n"
+      "PARAM Ambient = state.material.ambient; \n"
+      "PARAM Diffuse = state.material.diffuse; \n"
+      "PARAM Specular = state.material.specular; \n"
+      "DP4  result.position.x, Ambient, vertex.position;\n"
+      "DP4  result.position.y, Diffuse, vertex.position;\n"
+      "DP4  result.position.z, Specular, vertex.position;\n"
+      "DP4  result.position.w, Emission, vertex.position;\n"
+      "MOV  result.color, vertex.color;\n"
+      "END\n";
+
+   const float Ambient[4] = { 0.0, 1.0, 0.0, 0.0 };
+   const float Diffuse[4] = { 1.0, 0.0, 0.0, 0.0 };
+   const float Specular[4] = { 0.0, 0.0, 1.0, 0.0 };
+   const float Emission[4] = { 0.0, 0.0, 0.0, 1.0 };
+   glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, Ambient);
+   glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, Diffuse);
+   glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, Specular);
+   glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, Emission);
+
+
+   glGenProgramsARB(1, &prognum);
+
+   glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
+   glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+		      strlen(prog1), (const GLubyte *) prog1);
+
+   assert(glIsProgramARB(prognum));
+   errno = glGetError();
+   printf("glGetError = %d\n", errno);
+   if (errno != GL_NO_ERROR)
+   {
+      GLint errorpos;
+
+      glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
+      printf("errorpos: %d\n", errorpos);
+      printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+   }
+
+   glEnable(GL_VERTEX_PROGRAM_NV);
+
+}
+
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+/*     glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0); */
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glBegin(GL_TRIANGLES);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, -0.0);
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.9,  0.9, -0.0);
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.9,  0.0, -0.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB | GLUT_ALPHA;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/vp-tri-cb-tex.c b/progs/trivial/vp-tri-cb-tex.c
new file mode 100644
index 0000000000..1e99d5b6ab
--- /dev/null
+++ b/progs/trivial/vp-tri-cb-tex.c
@@ -0,0 +1,189 @@
+/* Test glGenProgramsNV(), glIsProgramNV(), glLoadProgramNV() */
+
+#include <stdio.h>
+#include <assert.h>
+#include <string.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   GLint errno;
+   GLuint prognum;
+   
+   static const char *prog1 =
+      "!!ARBvp1.0\n"
+      "PARAM Emission = state.material.emission; \n"
+      "PARAM Ambient = state.material.ambient; \n"
+      "PARAM Diffuse = state.material.diffuse; \n"
+      "PARAM Specular = state.material.specular; \n"
+      "DP4  result.position.x, Ambient, vertex.position;\n"
+      "DP4  result.position.y, Diffuse, vertex.position;\n"
+      "DP4  result.position.z, Specular, vertex.position;\n"
+      "DP4  result.position.w, Emission, vertex.position;\n"
+      "MOV  result.texcoord[0], vertex.texcoord[0];\n"
+      "END\n";
+
+   const float Ambient[4] = { 0.0, 1.0, 0.0, 0.0 };
+   const float Diffuse[4] = { 1.0, 0.0, 0.0, 0.0 };
+   const float Specular[4] = { 0.0, 0.0, 1.0, 0.0 };
+   const float Emission[4] = { 0.0, 0.0, 0.0, 1.0 };
+   glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, Ambient);
+   glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, Diffuse);
+   glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, Specular);
+   glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, Emission);
+
+
+   glGenProgramsARB(1, &prognum);
+
+   glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
+   glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+		      strlen(prog1), (const GLubyte *) prog1);
+
+   assert(glIsProgramARB(prognum));
+   errno = glGetError();
+   printf("glGetError = %d\n", errno);
+   if (errno != GL_NO_ERROR)
+   {
+      GLint errorpos;
+
+      glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
+      printf("errorpos: %d\n", errorpos);
+      printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+   }
+
+   glEnable(GL_VERTEX_PROGRAM_NV);
+
+#define SIZE 32
+   {
+      GLubyte tex2d[SIZE][SIZE][3];
+      GLint s, t;
+
+      for (s = 0; s < SIZE; s++) {
+	 for (t = 0; t < SIZE; t++) {
+#if 0
+	    tex2d[t][s][0] = (s < SIZE/2) ? 0 : 255;
+	    tex2d[t][s][1] = (t < SIZE/2) ? 0 : 255;
+	    tex2d[t][s][2] = 0;
+#else
+	    tex2d[t][s][0] = s*255/(SIZE-1);
+	    tex2d[t][s][1] = t*255/(SIZE-1);
+	    tex2d[t][s][2] = 0;
+#endif
+	 }
+      }
+
+      glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+      glTexImage2D(GL_TEXTURE_2D, 0, 3, SIZE, SIZE, 0,
+                   GL_RGB, GL_UNSIGNED_BYTE, tex2d);
+
+      glEnable(GL_TEXTURE_2D);
+      glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_REPEAT);
+      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+      glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
+   }
+
+}
+
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+/*     glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0); */
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glBegin(GL_TRIANGLES);
+   glTexCoord2f(1,-1); 
+   glVertex3f( 0.9, -0.9, -0.0);
+   glTexCoord2f(1,1); 
+   glVertex3f( 0.9,  0.9, -0.0);
+   glTexCoord2f(-1,0); 
+   glVertex3f(-0.9,  0.0, -0.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB | GLUT_ALPHA;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/vp-tri-cb.c b/progs/trivial/vp-tri-cb.c
new file mode 100644
index 0000000000..f9d0d7f559
--- /dev/null
+++ b/progs/trivial/vp-tri-cb.c
@@ -0,0 +1,107 @@
+/* Test glGenProgramsNV(), glIsProgramNV(), glLoadProgramNV() */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+static void Init( void )
+{
+   GLint errno;
+   GLuint prognum;
+   
+   static const char *prog1 =
+      "!!ARBvp1.0\n"
+      "PARAM Diffuse = state.material.diffuse; \n"
+      "MOV  result.color, Diffuse;\n"
+      "MOV  result.position, vertex.position;\n"
+      "END\n";
+
+   const float Diffuse[4] = { 0.0, 1.0, 0.0, 1.0 };
+   glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, Diffuse);
+
+
+   glGenProgramsARB(1, &prognum);
+
+   glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
+   glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+		      strlen(prog1), (const GLubyte *) prog1);
+
+   assert(glIsProgramARB(prognum));
+   errno = glGetError();
+   printf("glGetError = %d\n", errno);
+   if (errno != GL_NO_ERROR)
+   {
+      GLint errorpos;
+
+      glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
+      printf("errorpos: %d\n", errorpos);
+      printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+   }
+}
+
+static void Display( void )
+{
+   glClearColor(0.3, 0.3, 0.3, 1);
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glEnable(GL_VERTEX_PROGRAM_NV);
+
+   glBegin(GL_TRIANGLES);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, -0.0);
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.9,  0.9, -0.0);
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.9,  0.0, -0.0);
+   glEnd();
+
+
+   glFlush(); 
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   /*glTranslatef( 0.0, 0.0, -15.0 );*/
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 250, 250 );
+   glutInitDisplayMode( GLUT_DEPTH | GLUT_RGB | GLUT_SINGLE );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/trivial/vp-tri-imm.c b/progs/trivial/vp-tri-imm.c
new file mode 100644
index 0000000000..c774573ba8
--- /dev/null
+++ b/progs/trivial/vp-tri-imm.c
@@ -0,0 +1,101 @@
+/* Test glGenProgramsNV(), glIsProgramNV(), glLoadProgramNV() */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+static void Init( void )
+{
+   GLint errno;
+   GLuint prognum;
+   
+   static const char *prog1 =
+      "!!ARBvp1.0\n"
+      "ADD  result.color, vertex.color, {.5}.x;\n"  
+      "MOV  result.position, vertex.position;\n"
+      "END\n";
+
+
+   glGenProgramsARB(1, &prognum);
+
+   glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
+   glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+		      strlen(prog1), (const GLubyte *) prog1);
+
+   assert(glIsProgramARB(prognum));
+   errno = glGetError();
+   printf("glGetError = %d\n", errno);
+   if (errno != GL_NO_ERROR)
+   {
+      GLint errorpos;
+
+      glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
+      printf("errorpos: %d\n", errorpos);
+      printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+   }
+}
+
+static void Display( void )
+{
+   glClearColor(0.3, 0.3, 0.3, 1);
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glEnable(GL_VERTEX_PROGRAM_NV);
+
+   glBegin(GL_TRIANGLES);
+   glColor3f(0,0,0); 
+   glVertex3f( 0.9, -0.9, -0.0);
+   glVertex3f( 0.9,  0.9, -0.0);
+   glVertex3f(-0.9,  0.0, -0.0);
+   glEnd();
+
+
+   glFlush(); 
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   /*glTranslatef( 0.0, 0.0, -15.0 );*/
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 250, 250 );
+   glutInitDisplayMode( GLUT_DEPTH | GLUT_RGB | GLUT_SINGLE );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/trivial/vp-tri-swap.c b/progs/trivial/vp-tri-swap.c
new file mode 100644
index 0000000000..e9ca1a0378
--- /dev/null
+++ b/progs/trivial/vp-tri-swap.c
@@ -0,0 +1,103 @@
+/* Test glGenProgramsNV(), glIsProgramNV(), glLoadProgramNV() */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+static void Init( void )
+{
+   GLint errno;
+   GLuint prognum;
+   
+   static const char *prog1 =
+      "!!ARBvp1.0\n"
+      "MOV  result.position, vertex.color;\n"
+      "MOV  result.color, vertex.position;\n"
+      "END\n";
+
+
+   glGenProgramsARB(1, &prognum);
+
+   glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
+   glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+		      strlen(prog1), (const GLubyte *) prog1);
+
+   assert(glIsProgramARB(prognum));
+   errno = glGetError();
+   printf("glGetError = %d\n", errno);
+   if (errno != GL_NO_ERROR)
+   {
+      GLint errorpos;
+
+      glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
+      printf("errorpos: %d\n", errorpos);
+      printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+   }
+}
+
+static void Display( void )
+{
+   glClearColor(0.3, 0.3, 0.3, 1);
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glEnable(GL_VERTEX_PROGRAM_NV);
+
+   glBegin(GL_TRIANGLES);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, -0.0);
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.9,  0.9, -0.0);
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.9,  0.0, -0.0);
+   glEnd();
+
+
+   glFlush(); 
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   /*glTranslatef( 0.0, 0.0, -15.0 );*/
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 250, 250 );
+   glutInitDisplayMode( GLUT_DEPTH | GLUT_RGB | GLUT_SINGLE );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/trivial/vp-tri-tex.c b/progs/trivial/vp-tri-tex.c
new file mode 100644
index 0000000000..83ec1ef2e2
--- /dev/null
+++ b/progs/trivial/vp-tri-tex.c
@@ -0,0 +1,137 @@
+/* Test glGenProgramsNV(), glIsProgramNV(), glLoadProgramNV() */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+static void Init( void )
+{
+   GLint errno;
+   GLuint prognum;
+   
+   static const char *prog1 =
+      "!!ARBvp1.0\n"
+      "MOV  result.texcoord[0], vertex.texcoord[0];\n"
+      "MOV  result.position, vertex.position;\n"
+      "END\n";
+
+
+   glGenProgramsARB(1, &prognum);
+
+   glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
+   glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+		      strlen(prog1), (const GLubyte *) prog1);
+
+   assert(glIsProgramARB(prognum));
+   errno = glGetError();
+   printf("glGetError = %d\n", errno);
+   if (errno != GL_NO_ERROR)
+   {
+      GLint errorpos;
+
+      glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
+      printf("errorpos: %d\n", errorpos);
+      printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+   }
+
+#define SIZE 32
+   {
+      GLubyte tex2d[SIZE][SIZE][3];
+      GLint s, t;
+
+      for (s = 0; s < SIZE; s++) {
+	 for (t = 0; t < SIZE; t++) {
+#if 0
+	    tex2d[t][s][0] = (s < SIZE/2) ? 0 : 255;
+	    tex2d[t][s][1] = (t < SIZE/2) ? 0 : 255;
+	    tex2d[t][s][2] = 0;
+#else
+	    tex2d[t][s][0] = s*255/(SIZE-1);
+	    tex2d[t][s][1] = t*255/(SIZE-1);
+	    tex2d[t][s][2] = 0;
+#endif
+	 }
+      }
+
+      glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+      glTexImage2D(GL_TEXTURE_2D, 0, 3, SIZE, SIZE, 0,
+                   GL_RGB, GL_UNSIGNED_BYTE, tex2d);
+
+      glEnable(GL_TEXTURE_2D);
+      glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_REPEAT);
+      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+      glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
+   }
+
+}
+
+static void Display( void )
+{
+   glClearColor(0.3, 0.3, 0.3, 1);
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glEnable(GL_VERTEX_PROGRAM_NV);
+
+   glBegin(GL_TRIANGLES);
+   glTexCoord2f(1,-1); 
+   glVertex3f( 0.9, -0.9, -0.0);
+   glTexCoord2f(1,1); 
+   glVertex3f( 0.9,  0.9, -0.0);
+   glTexCoord2f(-1,0); 
+   glVertex3f(-0.9,  0.0, -0.0);
+   glEnd();
+
+
+   glFlush(); 
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   /*glTranslatef( 0.0, 0.0, -15.0 );*/
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 250, 250 );
+   glutInitDisplayMode( GLUT_DEPTH | GLUT_RGB | GLUT_SINGLE );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/trivial/vp-tri.c b/progs/trivial/vp-tri.c
index f8e18654c6..d2ef5043b2 100644
--- a/progs/trivial/vp-tri.c
+++ b/progs/trivial/vp-tri.c
@@ -43,17 +43,17 @@ static void Init( void )
 static void Display( void )
 {
    glClearColor(0.3, 0.3, 0.3, 1);
-   glClear( GL_COLOR_BUFFER_BIT  );
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
 
    glEnable(GL_VERTEX_PROGRAM_NV);
 
    glBegin(GL_TRIANGLES);
-   glColor3f(0,0,1); 
-   glVertex3f( 0.9, -0.9, 0.0);
-   glColor3f(0,1,0); 
-   glVertex3f( 0.9,  0.9, 0.0);
-   glColor3f(1,0,0); 
-   glVertex3f(-0.9,  0.0, 0.0);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, -0.0);
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.9,  0.9, -0.0);
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.9,  0.0, -0.0);
    glEnd();
 
 
@@ -93,7 +93,7 @@ int main( int argc, char *argv[] )
    glutInit( &argc, argv );
    glutInitWindowPosition( 0, 0 );
    glutInitWindowSize( 250, 250 );
-   glutInitDisplayMode( GLUT_RGB | GLUT_SINGLE );
+   glutInitDisplayMode( GLUT_DEPTH | GLUT_RGB | GLUT_SINGLE );
    glutCreateWindow(argv[0]);
    glutReshapeFunc( Reshape );
    glutKeyboardFunc( Key );
diff --git a/progs/util/descrip.mms b/progs/util/descrip.mms
deleted file mode 100644
index 21dec4b9be..0000000000
--- a/progs/util/descrip.mms
+++ /dev/null
@@ -1,42 +0,0 @@
-# Makefile for GLUT-based demo programs for VMS
-# contributed by Jouk Jansen  joukj@crys.chem.uva.nl
-
-
-.first
-	define gl [--.include.gl]
-
-.include [--]mms-config.
-
-##### MACROS #####
-
-INCDIR = ([--.include],[-.util])
-CFLAGS = /include=$(INCDIR)/prefix=all/name=(as_is,short)/float=ieee/ieee=denorm
-
-.ifdef SHARE
-GL_LIBS = $(XLIBS)
-LIB_DEP = [--.lib]$(GL_SHAR) [--.lib]$(GLU_SHAR) [--.lib]$(GLUT_SHAR)
-.else
-GL_LIBS = [--.lib]libGLUT/l,libMesaGLU/l,libMesaGL/l,$(XLIBS)
-LIB_DEP = [--.lib]$(GL_LIB) [--.lib]$(GLU_LIB) [--.lib]$(GLUT_LIB)
-.endif
-
-
-OBJS =readtex.obj,showbuffer.obj
-
-
-##### RULES #####
-.obj.exe :
-	cxxlink $(MMS$TARGET_NAME),$(GL_LIBS)
-
-##### TARGETS #####
-default :
-	$(MMS)$(MMSQUALIFIERS) $(OBJS)
-
-clean :
-	delete *.obj;*
-
-realclean :
-	delete *.obj;*
-
-readtex.obj : readtex.c
-showbuffer.obj : showbuffer.c
diff --git a/progs/vp/Makefile b/progs/vp/Makefile
index 28d63237a4..41d025c574 100644
--- a/progs/vp/Makefile
+++ b/progs/vp/Makefile
@@ -26,13 +26,13 @@ INCLUDES = -I. -I$(TOP)/include -I../samples
 .SUFFIXES: .c
 
 .c:
-	$(CC) $(INCLUDES) $(CFLAGS) $(LDFLAGS) $< $(LIBS) -o $@
+	$(APP_CC) $(INCLUDES) $(CFLAGS) $(LDFLAGS) $< $(LIBS) -o $@
 
 .c.o:
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
 
 .S.o:
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES)  $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES)  $< -o $@
 
 
 ##### TARGETS #####
diff --git a/progs/vp/exp.txt b/progs/vp/exp.txt
new file mode 100644
index 0000000000..53ce71db96
--- /dev/null
+++ b/progs/vp/exp.txt
@@ -0,0 +1,6 @@
+!!ARBvp1.0
+TEMP R0;
+EXP R0, vertex.color.x;
+SUB result.color, R0.z, R0.w;
+MOV result.position, vertex.position;
+END
diff --git a/progs/vp/log.txt b/progs/vp/log.txt
new file mode 100644
index 0000000000..6b4e94ed0e
--- /dev/null
+++ b/progs/vp/log.txt
@@ -0,0 +1,7 @@
+!!ARBvp1.0
+TEMP R0;
+ADD R0, vertex.color, vertex.color;
+ADD R0, R0, R0;
+LOG result.color, R0.x; 
+MOV result.position, vertex.position;
+END
diff --git a/progs/vp/run.sh b/progs/vp/run.sh
new file mode 100755
index 0000000000..fdd43d4a52
--- /dev/null
+++ b/progs/vp/run.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+for i in *.txt ; do
+echo $i
+./vp-tris $i
+done
+
diff --git a/progs/vp/vp-tris.c b/progs/vp/vp-tris.c
index 5dbe5ac835..e1ddb2e14d 100644
--- a/progs/vp/vp-tris.c
+++ b/progs/vp/vp-tris.c
@@ -5,9 +5,29 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <math.h>
+
+#ifndef WIN32
+#include <unistd.h>
+#include <signal.h>
 #define GL_GLEXT_PROTOTYPES
+#else
+#include <GL/glext.h>
+#endif
+
 #include <GL/glut.h>
 
+#ifdef WIN32
+static PFNGLBINDPROGRAMARBPROC glBindProgramARB = NULL;
+static PFNGLGENPROGRAMSARBPROC glGenProgramsARB = NULL;
+static PFNGLPROGRAMSTRINGARBPROC glProgramStringARB = NULL;
+static PFNGLISPROGRAMARBPROC glIsProgramARB = NULL;
+
+static PFNGLBINDPROGRAMNVPROC glBindProgramNV = NULL;
+static PFNGLGENPROGRAMSNVPROC glGenProgramsNV = NULL;
+static PFNGLLOADPROGRAMNVPROC glLoadProgramNV = NULL;
+static PFNGLISPROGRAMNVPROC glIsProgramNV = NULL;
+#endif
+
 static const char *filename = NULL;
 static GLuint nr_steps = 4;
 
@@ -18,8 +38,29 @@ static void usage( char *name )
    fprintf( stderr, "options:\n" );
    fprintf( stderr, "    -f     flat shaded\n" );
    fprintf( stderr, "    -nNr  subdivision steps\n" );
+   fprintf( stderr, "    -fps  show frames per second\n" );
 }
 
+unsigned show_fps = 0;
+unsigned int frame_cnt = 0;
+
+#ifndef WIN32
+
+void alarmhandler(int);
+
+void alarmhandler (int sig)
+{
+   if (sig == SIGALRM) {
+      printf("%d frames in 5.0 seconds = %.3f FPS\n", frame_cnt,
+             frame_cnt / 5.0);
+
+      frame_cnt = 0;
+   }
+   signal(SIGALRM, alarmhandler);
+   alarm(5);
+}
+
+#endif
 
 static void args(int argc, char *argv[])
 {
@@ -32,6 +73,9 @@ static void args(int argc, char *argv[])
       else if (strcmp(argv[i], "-f") == 0) {
 	 glShadeModel(GL_FLAT);
       }
+      else if (strcmp(argv[i], "-fps") == 0) {
+         show_fps = 1;
+      }
       else if (i == argc - 1) {
 	 filename = argv[i];
       }
@@ -62,19 +106,45 @@ static void Init( void )
       exit(1);
    }
 
-   sz = fread(buf, 1, sizeof(buf), f);
+   sz = (GLuint) fread(buf, 1, sizeof(buf), f);
    if (!feof(f)) {
       fprintf(stderr, "file too long\n");
       exit(1);
    }
 
    fprintf(stderr, "%.*s\n", sz, buf);
-      
-   glGenProgramsARB(1, &prognum);
 
-   glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
-   glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
-		      sz, (const GLubyte *) buf);
+   if (strncmp( buf, "!!VP", 4 ) == 0) {
+#ifdef WIN32
+      glBindProgramNV = (PFNGLBINDPROGRAMNVPROC) wglGetProcAddress( "glBindProgramNV" );
+      glGenProgramsNV = (PFNGLGENPROGRAMSNVPROC) wglGetProcAddress( "glGenProgramsNV" );
+      glLoadProgramNV = (PFNGLLOADPROGRAMNVPROC) wglGetProcAddress( "glLoadProgramNV" );
+      glIsProgramNV = (PFNGLISPROGRAMNVPROC) wglGetProcAddress( "glIsProgramNV" );
+#endif
+
+      glEnable( GL_VERTEX_PROGRAM_NV );
+      glGenProgramsNV( 1, &prognum );
+      glBindProgramNV( GL_VERTEX_PROGRAM_NV, prognum );
+      glLoadProgramNV( GL_VERTEX_PROGRAM_NV, prognum, sz, (const GLubyte *) buf );
+      assert( glIsProgramNV( prognum ) );
+   }
+   else {
+#ifdef WIN32
+      glBindProgramARB = (PFNGLBINDPROGRAMARBPROC) wglGetProcAddress( "glBindProgramARB" );
+      glGenProgramsARB = (PFNGLGENPROGRAMSARBPROC) wglGetProcAddress( "glGenProgramsARB" );
+      glProgramStringARB = (PFNGLPROGRAMSTRINGARBPROC) wglGetProcAddress( "glProgramStringARB" );
+      glIsProgramARB = (PFNGLISPROGRAMARBPROC) wglGetProcAddress( "glIsProgramARB" );
+#endif
+
+      glEnable(GL_VERTEX_PROGRAM_ARB);
+
+      glGenProgramsARB(1, &prognum);
+
+      glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
+      glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+		        sz, (const GLubyte *) buf);
+      assert(glIsProgramARB(prognum));
+   }
 
    errno = glGetError();
    printf("glGetError = %d\n", errno);
@@ -86,7 +156,17 @@ static void Init( void )
       printf("errorpos: %d\n", errorpos);
       printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
    }
-   assert(glIsProgramARB(prognum));
+
+   {
+      const float Ambient[4] = { 0.0, 1.0, 0.0, 0.0 };
+      const float Diffuse[4] = { 1.0, 0.0, 0.0, 0.0 };
+      const float Specular[4] = { 0.0, 0.0, 1.0, 0.0 };
+      const float Emission[4] = { 0.0, 0.0, 0.0, 1.0 };
+      glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, Ambient);
+      glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, Diffuse);
+      glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, Specular);
+      glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, Emission);
+   }
 }
 
 
@@ -147,8 +227,6 @@ static void Display( void )
    glClearColor(0.3, 0.3, 0.3, 1);
    glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
 
-   glEnable(GL_VERTEX_PROGRAM_NV);
-
    glBegin(GL_TRIANGLES);
 
 
@@ -168,7 +246,11 @@ static void Display( void )
    glEnd();
 
 
-   glFlush(); 
+   glFlush();
+   if (show_fps) {
+      ++frame_cnt;
+      glutPostRedisplay();
+   }
 }
 
 
@@ -205,12 +287,18 @@ int main( int argc, char *argv[] )
    glutInitWindowPosition( 0, 0 );
    glutInitWindowSize( 250, 250 );
    glutInitDisplayMode( GLUT_RGB | GLUT_SINGLE | GLUT_DEPTH );
-   glutCreateWindow(argv[0]);
+   glutCreateWindow(argv[argc-1]);
    glutReshapeFunc( Reshape );
    glutKeyboardFunc( Key );
    glutDisplayFunc( Display );
    args( argc, argv );
    Init();
+#ifndef WIN32
+   if (show_fps) {
+      signal(SIGALRM, alarmhandler);
+      alarm(5);
+   }
+#endif
    glutMainLoop();
    return 0;
 }
diff --git a/progs/vp/windows/vp2003.sln b/progs/vp/windows/vp2003.sln
new file mode 100644
index 0000000000..76de5cfd7f
--- /dev/null
+++ b/progs/vp/windows/vp2003.sln
@@ -0,0 +1,21 @@
+Microsoft Visual Studio Solution File, Format Version 8.00
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "vp2003", "vp2003.vcproj", "{E1C70416-98E7-4282-B6B2-6C9CF90B12C0}"
+	ProjectSection(ProjectDependencies) = postProject
+	EndProjectSection
+EndProject
+Global
+	GlobalSection(SolutionConfiguration) = preSolution
+		Debug = Debug
+		Release = Release
+	EndGlobalSection
+	GlobalSection(ProjectConfiguration) = postSolution
+		{E1C70416-98E7-4282-B6B2-6C9CF90B12C0}.Debug.ActiveCfg = Debug|Win32
+		{E1C70416-98E7-4282-B6B2-6C9CF90B12C0}.Debug.Build.0 = Debug|Win32
+		{E1C70416-98E7-4282-B6B2-6C9CF90B12C0}.Release.ActiveCfg = Release|Win32
+		{E1C70416-98E7-4282-B6B2-6C9CF90B12C0}.Release.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+	EndGlobalSection
+	GlobalSection(ExtensibilityAddIns) = postSolution
+	EndGlobalSection
+EndGlobal
diff --git a/progs/vp/windows/vp2003.vcproj b/progs/vp/windows/vp2003.vcproj
new file mode 100644
index 0000000000..adca2c5073
--- /dev/null
+++ b/progs/vp/windows/vp2003.vcproj
@@ -0,0 +1,121 @@
+<?xml version="1.0" encoding="Windows-1252"?>
+<VisualStudioProject
+	ProjectType="Visual C++"
+	Version="7.10"
+	Name="vp2003"
+	ProjectGUID="{E1C70416-98E7-4282-B6B2-6C9CF90B12C0}"
+	Keyword="Win32Proj">
+	<Platforms>
+		<Platform
+			Name="Win32"/>
+	</Platforms>
+	<Configurations>
+		<Configuration
+			Name="Debug|Win32"
+			OutputDirectory="Debug"
+			IntermediateDirectory="Debug"
+			ConfigurationType="1"
+			CharacterSet="2">
+			<Tool
+				Name="VCCLCompilerTool"
+				Optimization="0"
+				AdditionalIncludeDirectories=""
+				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE"
+				MinimalRebuild="TRUE"
+				BasicRuntimeChecks="3"
+				RuntimeLibrary="5"
+				UsePrecompiledHeader="0"
+				WarningLevel="3"
+				Detect64BitPortabilityProblems="TRUE"
+				DebugInformationFormat="4"/>
+			<Tool
+				Name="VCCustomBuildTool"/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalDependencies="glut32.lib"
+				OutputFile="$(OutDir)/vp2003.exe"
+				LinkIncremental="2"
+				GenerateDebugInformation="TRUE"
+				ProgramDatabaseFile="$(OutDir)/vp2003.pdb"
+				SubSystem="1"
+				TargetMachine="1"/>
+			<Tool
+				Name="VCMIDLTool"/>
+			<Tool
+				Name="VCPostBuildEventTool"/>
+			<Tool
+				Name="VCPreBuildEventTool"/>
+			<Tool
+				Name="VCPreLinkEventTool"/>
+			<Tool
+				Name="VCResourceCompilerTool"/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"/>
+			<Tool
+				Name="VCWebDeploymentTool"/>
+			<Tool
+				Name="VCManagedWrapperGeneratorTool"/>
+			<Tool
+				Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
+		</Configuration>
+		<Configuration
+			Name="Release|Win32"
+			OutputDirectory="Release"
+			IntermediateDirectory="Release"
+			ConfigurationType="1"
+			CharacterSet="2">
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalIncludeDirectories=""
+				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE"
+				RuntimeLibrary="4"
+				UsePrecompiledHeader="0"
+				WarningLevel="3"
+				Detect64BitPortabilityProblems="TRUE"
+				DebugInformationFormat="3"/>
+			<Tool
+				Name="VCCustomBuildTool"/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalDependencies="glut32.lib"
+				OutputFile="$(OutDir)/vp2003.exe"
+				LinkIncremental="1"
+				GenerateDebugInformation="TRUE"
+				SubSystem="1"
+				OptimizeReferences="2"
+				EnableCOMDATFolding="2"
+				TargetMachine="1"/>
+			<Tool
+				Name="VCMIDLTool"/>
+			<Tool
+				Name="VCPostBuildEventTool"/>
+			<Tool
+				Name="VCPreBuildEventTool"/>
+			<Tool
+				Name="VCPreLinkEventTool"/>
+			<Tool
+				Name="VCResourceCompilerTool"/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"/>
+			<Tool
+				Name="VCWebDeploymentTool"/>
+			<Tool
+				Name="VCManagedWrapperGeneratorTool"/>
+			<Tool
+				Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
+		</Configuration>
+	</Configurations>
+	<References>
+	</References>
+	<Files>
+		<File
+			RelativePath="..\vp-tris.c">
+		</File>
+	</Files>
+	<Globals>
+	</Globals>
+</VisualStudioProject>
diff --git a/progs/vp/xform.txt b/progs/vp/xform.txt
new file mode 100644
index 0000000000..d1548f1f10
--- /dev/null
+++ b/progs/vp/xform.txt
@@ -0,0 +1,11 @@
+!!ARBvp1.0
+PARAM Emission = state.material.emission; 
+PARAM Ambient = state.material.ambient; 
+PARAM Diffuse = state.material.diffuse; 
+PARAM Specular = state.material.specular; 
+DP4  result.position.x, Ambient, vertex.position;
+DP4  result.position.y, Diffuse, vertex.position;
+DP4  result.position.z, Specular, vertex.position;
+DP4  result.position.w, Emission, vertex.position;
+MOV  result.color, vertex.color;
+END
diff --git a/progs/vpglsl/.gitignore b/progs/vpglsl/.gitignore
new file mode 100644
index 0000000000..a5ff993525
--- /dev/null
+++ b/progs/vpglsl/.gitignore
@@ -0,0 +1 @@
+vp-tris
diff --git a/progs/vpglsl/Makefile b/progs/vpglsl/Makefile
new file mode 100644
index 0000000000..c3faeb5b60
--- /dev/null
+++ b/progs/vpglsl/Makefile
@@ -0,0 +1,53 @@
+# progs/tests/Makefile
+
+
+# These programs aren't intended to be included with the normal distro.
+# They're not too interesting but they're good for testing.
+
+TOP = ../..
+include $(TOP)/configs/current
+
+
+LIBS = $(APP_LIB_DEPS)
+
+SOURCES = \
+	vp-tris.c
+
+
+
+PROGS = $(SOURCES:%.c=%)
+
+INCLUDES = -I. -I$(TOP)/include -I../samples
+
+
+##### RULES #####
+
+.SUFFIXES:
+.SUFFIXES: .c
+
+.c:
+	$(CC) $(INCLUDES) $(CFLAGS) $< $(LIBS) -o $@
+
+.c.o:
+	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+
+.S.o:
+	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES)  $< -o $@
+
+
+##### TARGETS #####
+
+default: $(PROGS)
+
+clean:
+	rm -f $(PROGS)
+	rm -f *.o
+	rm -f getproclist.h
+
+
+
+
+
+# Emacs tags
+tags:
+	etags `find . -name \*.[ch]` `find ../include`
diff --git a/progs/vpglsl/for.glsl b/progs/vpglsl/for.glsl
new file mode 100644
index 0000000000..45d6845dac
--- /dev/null
+++ b/progs/vpglsl/for.glsl
@@ -0,0 +1,7 @@
+
+void main() {
+   gl_Position = gl_Vertex;
+   gl_FrontColor = vec4(0);
+   for (int i = 0; i < 4; ++i)
+       gl_FrontColor += gl_Color;
+}
diff --git a/progs/vpglsl/if.glsl b/progs/vpglsl/if.glsl
new file mode 100644
index 0000000000..174f69c19c
--- /dev/null
+++ b/progs/vpglsl/if.glsl
@@ -0,0 +1,7 @@
+
+void main() {
+    gl_FrontColor = gl_Color;
+    gl_Position = gl_Vertex;
+    if (gl_Position.x < 0.5)
+	gl_FrontColor = vec4(1.0, 0.0, 0.0, 1.0);
+}
diff --git a/progs/vpglsl/ifelse.glsl b/progs/vpglsl/ifelse.glsl
new file mode 100644
index 0000000000..645b2117a1
--- /dev/null
+++ b/progs/vpglsl/ifelse.glsl
@@ -0,0 +1,8 @@
+
+void main() {
+    gl_Position = gl_Vertex;
+    if (gl_Position.x < 0.5)
+	gl_FrontColor = vec4(1.0, 0.0, 0.0, 1.0);
+    else
+	gl_FrontColor = gl_Color;
+}
diff --git a/progs/vpglsl/nestedifs.glsl b/progs/vpglsl/nestedifs.glsl
new file mode 100644
index 0000000000..abb235cd65
--- /dev/null
+++ b/progs/vpglsl/nestedifs.glsl
@@ -0,0 +1,13 @@
+
+void main() {
+   gl_Position = gl_Vertex;
+    if (gl_Position.x < 0.5) {
+	if (gl_Position.y < 0.20) {
+	    gl_FrontColor = vec4(1.0, 0.0, 0.0, 1.0);
+	} else {
+	    gl_FrontColor = vec4(0.0, 1.0, 0.0, 1.0);
+	}
+        gl_FrontColor.y = 1.0;
+    } else
+	gl_FrontColor = gl_Color;
+}
diff --git a/progs/vpglsl/nestedswizzle.glsl b/progs/vpglsl/nestedswizzle.glsl
new file mode 100644
index 0000000000..a3adb3dfeb
--- /dev/null
+++ b/progs/vpglsl/nestedswizzle.glsl
@@ -0,0 +1,9 @@
+
+void main() {
+   gl_Position = gl_Vertex;
+   gl_FrontColor = gl_Color;
+   if (gl_Position.x < 0.5) {
+      gl_FrontColor.y = 1.0;
+   }
+   gl_FrontColor.xzw = vec3(0, 0, 1);
+}
diff --git a/progs/vpglsl/off2f.glsl b/progs/vpglsl/off2f.glsl
new file mode 100644
index 0000000000..e06cb42a0e
--- /dev/null
+++ b/progs/vpglsl/off2f.glsl
@@ -0,0 +1,18 @@
+const int KernelSize = 8;
+uniform vec2 Offset2f[KernelSize];
+uniform vec4 KernelValue4f[KernelSize];
+
+void main(void)
+{
+    int i;
+    vec4 sum = vec4(0.0);
+    vec4 tmp = gl_Color;
+    vec2 rg, ba;
+    gl_Position = gl_Vertex;
+
+    rg = Offset2f[4];
+    ba = Offset2f[5];
+
+
+    gl_FrontColor = KernelValue4f[0] * vec4(rg, ba);
+}
diff --git a/progs/vpglsl/varfor1f.glsl b/progs/vpglsl/varfor1f.glsl
new file mode 100644
index 0000000000..9c3e8f2a23
--- /dev/null
+++ b/progs/vpglsl/varfor1f.glsl
@@ -0,0 +1,22 @@
+const int KernelSize = 16;
+uniform float KernelValue1f[KernelSize];
+
+void main(void)
+{
+    int i;
+    vec4 sum = vec4(0.0);
+    vec4 tmp = gl_Color;
+    gl_Position = gl_Vertex;
+
+    for (i = 0; i < KernelSize; ++i) {
+        float x, y, z, w;
+
+        x = KernelValue1f[i]; ++i;
+        y = KernelValue1f[i]; ++i;
+        z = KernelValue1f[i]; ++i;
+        w = KernelValue1f[i];
+
+        sum += tmp * vec4(x, y, z, w);
+    }
+    gl_FrontColor = sum;
+}
diff --git a/progs/vpglsl/varfor2f.glsl b/progs/vpglsl/varfor2f.glsl
new file mode 100644
index 0000000000..d98a110045
--- /dev/null
+++ b/progs/vpglsl/varfor2f.glsl
@@ -0,0 +1,24 @@
+const int KernelSize = 9;
+uniform vec2 KernelValue2f[KernelSize];
+
+void main(void)
+{
+    int i;
+    vec4 sum = vec4(0.0);
+    vec4 tmp = gl_Color;
+    gl_Position = gl_Vertex;
+
+    for (i = 0; i < KernelSize; ++i) {
+        vec2 rg, ba;
+
+        rg = KernelValue2f[i];
+        ++i;
+        if (i < KernelSize)
+	    ba = KernelValue2f[i];
+	else
+	    ba = vec2(0, 0);
+
+        sum += tmp * vec4(rg, ba);
+    }
+    gl_FrontColor = sum;
+}
diff --git a/progs/vpglsl/varfor4f.glsl b/progs/vpglsl/varfor4f.glsl
new file mode 100644
index 0000000000..c70ba0356f
--- /dev/null
+++ b/progs/vpglsl/varfor4f.glsl
@@ -0,0 +1,19 @@
+const int KernelSize = 4;
+uniform vec4 KernelValue4f[KernelSize];
+
+void main(void)
+{
+    int i;
+    vec4 sum = vec4(0.0);
+    vec4 tmp = gl_Color;
+    gl_Position = gl_Vertex;
+
+    for (i = 0; i < KernelSize; ++i) {
+        vec4 rgba;
+
+        rgba = KernelValue4f[i];
+
+        sum += tmp * rgba;
+    }
+    gl_FrontColor = sum;
+}
diff --git a/progs/vpglsl/vp-tris.c b/progs/vpglsl/vp-tris.c
new file mode 100644
index 0000000000..9108d3f197
--- /dev/null
+++ b/progs/vpglsl/vp-tris.c
@@ -0,0 +1,313 @@
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+static const char *filename = NULL;
+static GLuint nr_steps = 4;
+
+static GLuint fragShader;
+static GLuint vertShader;
+static GLuint program;
+
+static void usage( char *name )
+{
+   fprintf( stderr, "usage: %s [ options ] shader_filename\n", name );
+   fprintf( stderr, "\n" );
+   fprintf( stderr, "options:\n" );
+   fprintf( stderr, "    -f     flat shaded\n" );
+   fprintf( stderr, "    -nNr  subdivision steps\n" );
+}
+
+
+static void load_and_compile_shader(GLuint shader, const char *text)
+{
+   GLint stat;
+
+   glShaderSource(shader, 1, (const GLchar **) &text, NULL);
+
+   glCompileShader(shader);
+
+   glGetShaderiv(shader, GL_COMPILE_STATUS, &stat);
+   if (!stat) {
+      GLchar log[1000];
+      GLsizei len;
+      glGetShaderInfoLog(shader, 1000, &len, log);
+      fprintf(stderr, "vp-tris: problem compiling shader:\n%s\n", log);
+      exit(1);
+   }
+}
+
+static void read_shader(GLuint shader, const char *filename)
+{
+   const int max = 100*1000;
+   int n;
+   char *buffer = (char*) malloc(max);
+   FILE *f = fopen(filename, "r");
+   if (!f) {
+      fprintf(stderr, "vp-tris: Unable to open shader file %s\n", filename);
+      exit(1);
+   }
+
+   n = fread(buffer, 1, max, f);
+   printf("vp-tris: read %d bytes from shader file %s\n", n, filename);
+   if (n > 0) {
+      buffer[n] = 0;
+      load_and_compile_shader(shader, buffer);
+   }
+
+   fclose(f);
+   free(buffer);
+}
+
+static void check_link(GLuint prog)
+{
+   GLint stat;
+   glGetProgramiv(prog, GL_LINK_STATUS, &stat);
+   if (!stat) {
+      GLchar log[1000];
+      GLsizei len;
+      glGetProgramInfoLog(prog, 1000, &len, log);
+      fprintf(stderr, "Linker error:\n%s\n", log);
+   }
+}
+
+static void setup_uniforms()
+{
+   {
+      GLuint loc1f = glGetUniformLocationARB(program, "Offset1f");
+      GLuint loc2f = glGetUniformLocationARB(program, "Offset2f");
+      GLuint loc4f = glGetUniformLocationARB(program, "Offset4f");
+      GLfloat vecKer[] =
+         { 1.0, 0.0, 0.0,  1.0,
+           0.0, 1.0, 0.0,  1.0,
+           1.0, 0.0, 0.0,  1.0,
+           0.0, 0.0, 0.0,  1.0
+         };
+      if (loc1f >= 0)
+         glUniform1fv(loc1f, 16, vecKer);
+
+      if (loc2f >= 0)
+         glUniform2fv(loc2f, 8, vecKer);
+
+      if (loc4f >= 0)
+         glUniform4fv(loc4f, 4, vecKer);
+
+   }
+
+   GLuint loc1f = glGetUniformLocationARB(program, "KernelValue1f");
+   GLuint loc2f = glGetUniformLocationARB(program, "KernelValue2f");
+   GLuint loc4f = glGetUniformLocationARB(program, "KernelValue4f");
+   GLfloat vecKer[] =
+      { 1.0, 0.0, 0.0,  0.25,
+        0.0, 1.0, 0.0,  0.25,
+        0.0, 0.0, 1.0,  0.25,
+        0.0, 0.0, 0.0,  0.25,
+        0.5, 0.0, 0.0,  0.35,
+        0.0, 0.5, 0.0,  0.35,
+        0.0, 0.0, 0.5,  0.35,
+        0.0, 0.0, 0.0,  0.35
+      };
+   if (loc1f >= 0)
+      glUniform1fv(loc1f, 16, vecKer);
+
+   if (loc2f >= 0)
+      glUniform2fv(loc2f, 8, vecKer);
+
+   if (loc4f >= 0)
+      glUniform4fv(loc4f, 4, vecKer);
+}
+
+static void prepare_shaders()
+{
+   static const char *fragShaderText =
+      "void main() {\n"
+      "    gl_FragColor = gl_Color;\n"
+      "}\n";
+   static const char *vertShaderText =
+      "void main() {\n"
+      "   gl_FrontColor = gl_Color;\n"
+      "   gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;\n"
+      "}\n";
+   fragShader = glCreateShader(GL_FRAGMENT_SHADER);
+   load_and_compile_shader(fragShader, fragShaderText);
+
+
+   vertShader = glCreateShader(GL_VERTEX_SHADER);
+   if (filename)
+      read_shader(vertShader, filename);
+   else
+      load_and_compile_shader(vertShader, vertShaderText);
+
+   program = glCreateProgram();
+   glAttachShader(program, fragShader);
+   glAttachShader(program, vertShader);
+   glLinkProgram(program);
+   check_link(program);
+   glUseProgram(program);
+
+   setup_uniforms();
+}
+
+static void args(int argc, char *argv[])
+{
+   GLint i;
+
+   for (i = 1; i < argc; i++) {
+      if (strncmp(argv[i], "-n", 2) == 0) {
+	 nr_steps = atoi((argv[i]) + 2);
+      }
+      else if (strcmp(argv[i], "-f") == 0) {
+	 glShadeModel(GL_FLAT);
+      }
+      else if (i == argc - 1) {
+	 filename = argv[i];
+      }
+      else {
+	 usage(argv[0]);
+	 exit(1);
+      }
+   }
+
+   if (!filename) {
+      usage(argv[0]);
+      exit(1);
+   }
+}
+
+
+
+
+union vert {
+   struct {
+      GLfloat color[3];
+      GLfloat pos[3];
+   } v;
+   GLfloat f[6];
+};
+
+static void make_midpoint( union vert *out,
+			   const union vert *v0,
+			   const union vert *v1)
+{
+   int i;
+   for (i = 0; i < 6; i++)
+      out->f[i] = v0->f[i] + .5 * (v1->f[i] - v0->f[i]);
+}
+
+static void subdiv( union vert *v0,
+		    union vert *v1,
+		    union vert *v2,
+		    GLuint depth )
+{
+   if (depth == 0) {
+      glColor3fv(v0->v.color);
+      glVertex3fv(v0->v.pos);
+      glColor3fv(v1->v.color);
+      glVertex3fv(v1->v.pos);
+      glColor3fv(v2->v.color);
+      glVertex3fv(v2->v.pos);
+   }
+   else {
+      union vert m[3];
+
+      make_midpoint(&m[0], v0, v1);
+      make_midpoint(&m[1], v1, v2);
+      make_midpoint(&m[2], v2, v0);
+
+      subdiv(&m[0], &m[2], v0, depth-1);
+      subdiv(&m[1], &m[0], v1, depth-1);
+      subdiv(&m[2], &m[1], v2, depth-1);
+      subdiv(&m[0], &m[1], &m[2], depth-1);
+   }
+}
+
+/** Assignment */
+#define ASSIGN_3V( V, V0, V1, V2 )  \
+do {                                \
+    V[0] = V0;                      \
+    V[1] = V1;                      \
+    V[2] = V2;                      \
+} while(0)
+
+static void Display( void )
+{
+   glClearColor(0.3, 0.3, 0.3, 1);
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glUseProgram(program);
+
+   glBegin(GL_TRIANGLES);
+
+
+   {
+      union vert v[3];
+
+      ASSIGN_3V(v[0].v.color, 0,0,1);
+      ASSIGN_3V(v[0].v.pos,  0.9, -0.9, 0.0);
+      ASSIGN_3V(v[1].v.color, 1,0,0);
+      ASSIGN_3V(v[1].v.pos, 0.9, 0.9, 0.0);
+      ASSIGN_3V(v[2].v.color, 0,1,0);
+      ASSIGN_3V(v[2].v.pos, -0.9, 0, 0.0);
+
+      subdiv(&v[0], &v[1], &v[2], nr_steps);
+   }
+
+   glEnd();
+
+
+   glFlush();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   /*glTranslatef( 0.0, 0.0, -15.0 );*/
+}
+
+
+static void CleanUp(void)
+{
+   glDeleteShader(fragShader);
+   glDeleteShader(vertShader);
+   glDeleteProgram(program);
+}
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         CleanUp();
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 250, 250 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_SINGLE | GLUT_DEPTH );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   args( argc, argv );
+   prepare_shaders();
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/xdemos/Makefile b/progs/xdemos/Makefile
index b259671210..b314324fc1 100644
--- a/progs/xdemos/Makefile
+++ b/progs/xdemos/Makefile
@@ -49,7 +49,7 @@ EXTRA_PROGS = \
 .SUFFIXES: .c
 
 .c: $(LIB_DEP)
-	$(CC) -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) $(LDFLAGS) $< $(LIBS) -o $@
+	$(APP_CC) -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) $(LDFLAGS) $< $(LIBS) -o $@
 
 
 ##### TARGETS #####
@@ -67,44 +67,44 @@ clean:
 
 # special cases
 pbinfo: pbinfo.o pbutil.o
-	$(CC) $(CFLAGS) $(LDFLAGS) pbinfo.o pbutil.o $(LIBS) -o $@
+	$(APP_CC) $(CFLAGS) $(LDFLAGS) pbinfo.o pbutil.o $(LIBS) -o $@
 
 pbdemo: pbdemo.o pbutil.o
-	$(CC) $(CFLAGS) $(LDFLAGS) pbdemo.o pbutil.o $(LIBS) -o $@
+	$(APP_CC) $(CFLAGS) $(LDFLAGS) pbdemo.o pbutil.o $(LIBS) -o $@
 
 pbinfo.o: pbinfo.c pbutil.h
-	$(CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) pbinfo.c
+	$(APP_CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) pbinfo.c
 
 pbdemo.o: pbdemo.c pbutil.h
-	$(CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) pbdemo.c
+	$(APP_CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) pbdemo.c
 
 pbutil.o: pbutil.c pbutil.h
-	$(CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) pbutil.c
+	$(APP_CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) pbutil.c
 
 glxgears_fbconfig: glxgears_fbconfig.o pbutil.o
-	$(CC) $(CFLAGS) $(LDFLAGS) glxgears_fbconfig.o pbutil.o $(LIBS) -o $@
+	$(APP_CC) $(CFLAGS) $(LDFLAGS) glxgears_fbconfig.o pbutil.o $(LIBS) -o $@
 
 glxgears_fbconfig.o: glxgears_fbconfig.c pbutil.h
-	$(CC) -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) -c -I. $(CFLAGS) glxgears_fbconfig.c
+	$(APP_CC) -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) -c -I. $(CFLAGS) glxgears_fbconfig.c
 
 xrotfontdemo: xrotfontdemo.o xuserotfont.o
-	$(CC) $(CFLAGS) $(LDFLAGS) xrotfontdemo.o xuserotfont.o $(LIBS) -o $@
+	$(APP_CC) $(CFLAGS) $(LDFLAGS) xrotfontdemo.o xuserotfont.o $(LIBS) -o $@
 
 xuserotfont.o: xuserotfont.c xuserotfont.h
-	$(CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) xuserotfont.c
+	$(APP_CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) xuserotfont.c
 
 xrotfontdemo.o: xrotfontdemo.c xuserotfont.h
-	$(CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) xrotfontdemo.c
+	$(APP_CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) xrotfontdemo.c
 
 corender: corender.o ipc.o
-	$(CC) $(CFLAGS) corender.o ipc.o $(LIBS) -o $@
+	$(APP_CC) $(CFLAGS) corender.o ipc.o $(LIBS) -o $@
 
 corender.o: corender.c ipc.h
-	$(CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) corender.c
+	$(APP_CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) corender.c
 
 ipc.o: ipc.c ipc.h
-	$(CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) ipc.c
+	$(APP_CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) ipc.c
 
 yuvrect_client: yuvrect_client.c
-	$(CC) -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) $< $(LDFLAGS) $(LIBS) -l$(GLU_LIB) -o $@
+	$(APP_CC) -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) $< $(LDFLAGS) $(LIBS) -l$(GLU_LIB) -o $@
 
diff --git a/progs/xdemos/descrip.mms b/progs/xdemos/descrip.mms
deleted file mode 100644
index aa74daff59..0000000000
--- a/progs/xdemos/descrip.mms
+++ /dev/null
@@ -1,83 +0,0 @@
-# Makefile for GLUT-based demo programs for VMS
-# contributed by Jouk Jansen  joukj@hrem.stm.tudelft.nl
-
-
-.first
-	define gl [--.include.gl]
-
-.include [--]mms-config.
-
-##### MACROS #####
-
-INCDIR = ([--.include],[-.util])
-CFLAGS = /include=$(INCDIR)/prefix=all/name=(as_is,short)/nowarn/float=ieee/ieee=denorm
-
-.ifdef SHARE
-GL_LIBS = $(XLIBS)
-.else
-GL_LIBS = [--.lib]libGLUT/l,libMesaGLU/l,libMesaGL/l,$(XLIBS)
-.endif
-
-LIB_DEP = [--.lib]$(GL_LIB) [--.lib]$(GLU_LIB) [--.lib]$(GLUT_LIB)
-
-PROGS =glthreads.exe,\
-	glxdemo.exe,\
-	glxgears.exe,\
-	glxheads.exe,\
-	glxinfo.exe,\
-	glxpixmap.exe,\
-	manywin.exe,\
-	offset.exe,\
-	pbinfo.exe,\
-	pbdemo.exe,\
-	wincopy.exe,\
-	xdemo.exe,\
-	xfont.exe
-
-##### RULES #####
-.obj.exe :
-	cxxlink $(MMS$TARGET_NAME),$(GL_LIBS)
-
-##### TARGETS #####
-default :
-	$(MMS)$(MMSQUALIFIERS) $(PROGS)
-
-clean :
-	delete *.obj;*
-
-realclean :
-	delete $(PROGS)
-	delete *.obj;*
-
-
-glthreads.exe : glthreads.obj $(LIB_DEP) 
-glxdemo.exe : glxdemo.obj $(LIB_DEP)
-glxgears.exe : glxgears.obj $(LIB_DEP)
-glxheads.exe : glxheads.obj $(LIB_DEP)
-glxinfo.exe : glxinfo.obj $(LIB_DEP)
-glxpixmap.exe : glxpixmap.obj $(LIB_DEP)
-manywin.exe : manywin.obj $(LIB_DEP)
-offset.exe : offset.obj $(LIB_DEP)
-pbinfo.exe : pbinfo.obj pbutil.obj $(LIB_DEP)
-	cxxlink pbinfo.obj,pbutil.obj,$(GL_LIBS)
-pbdemo.exe : pbdemo.obj pbutil.obj $(LIB_DEP)
-	cxxlink pbdemo.obj,pbutil.obj,$(GL_LIBS)
-wincopy.exe : wincopy.obj $(LIB_DEP)
-xdemo.exe : xdemo.obj $(LIB_DEP)
-xfont.exe :xfont.obj $(LIB_DEP)
-
-
-glthreads.obj : glthreads.c 
-glxdemo.obj : glxdemo.c
-glxgears.obj : glxgears.c
-glxheads.obj : glxheads.c
-glxinfo.obj : glxinfo.c
-glxpixmap.obj : glxpixmap.c
-manywin.obj : manywin.c
-offset.obj : offset.c
-pbinfo.obj : pbinfo.c
-pbutil.obj : pbutil.c
-pbdemo.obj : pbdemo.c
-wincopy.obj : wincopy.c
-xdemo.obj : xdemo.c
-xfont.obj :xfont.c
diff --git a/progs/xdemos/glthreads.c b/progs/xdemos/glthreads.c
index 4f87ee75d4..b90e6b4f31 100644
--- a/progs/xdemos/glthreads.c
+++ b/progs/xdemos/glthreads.c
@@ -27,16 +27,30 @@
  *  -l                       Enable application-side locking
  *  -n <num threads>         Number of threads to create (default is 2)
  *  -display <display name>  Specify X display (default is :0.0)
+ *  -t                       Use texture mapping
  *
  * Brian Paul  20 July 2000
  */
 
 
+/*
+ * Notes:
+ * - Each thread gets its own GLX context.
+ *
+ * - The GLX contexts share texture objects.
+ *
+ * - When 't' is pressed to update the texture image, the window/thread which
+ *   has input focus is signalled to change the texture.  The other threads
+ *   should see the updated texture the next time they call glBindTexture.
+ */
+
+
 #if defined(PTHREADS)   /* defined by Mesa on Linux and other platforms */
 
 #include <assert.h>
 #include <GL/gl.h>
 #include <GL/glx.h>
+#include <math.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -56,6 +70,8 @@ struct winthread {
    float Angle;
    int WinWidth, WinHeight;
    GLboolean NewSize;
+   GLboolean Initialized;
+   GLboolean MakeNewTexture;
 };
 
 
@@ -66,8 +82,13 @@ static volatile GLboolean ExitFlag = GL_FALSE;
 
 static GLboolean MultiDisplays = 0;
 static GLboolean Locking = 0;
+static GLboolean Texture = GL_FALSE;
+static GLuint TexObj = 12;
+static GLboolean Animate = GL_TRUE;
 
 static pthread_mutex_t Mutex;
+static pthread_cond_t CondVar;
+static pthread_mutex_t CondMutex;
 
 
 static void
@@ -78,6 +99,59 @@ Error(const char *msg)
 }
 
 
+static void
+signal_redraw(void)
+{
+   pthread_mutex_lock(&CondMutex);
+   pthread_cond_broadcast(&CondVar);
+   pthread_mutex_unlock(&CondMutex);
+}
+
+
+static void
+MakeNewTexture(struct winthread *wt)
+{
+#define TEX_SIZE 128
+   static float step = 0.0;
+   GLfloat image[TEX_SIZE][TEX_SIZE][4];
+   GLint width;
+   int i, j;
+
+   for (j = 0; j < TEX_SIZE; j++) {
+      for (i = 0; i < TEX_SIZE; i++) {
+         float dt = 5.0 * (j - 0.5 * TEX_SIZE) / TEX_SIZE;
+         float ds = 5.0 * (i - 0.5 * TEX_SIZE) / TEX_SIZE;
+         float r = dt * dt + ds * ds + step;
+         image[j][i][0] = 
+         image[j][i][1] = 
+         image[j][i][2] = 0.75 + 0.25 * cos(r);
+         image[j][i][3] = 1.0;
+      }
+   }
+
+   step += 0.5;
+
+   glBindTexture(GL_TEXTURE_2D, TexObj);
+
+   glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &width);
+   if (width) {
+      assert(width == TEX_SIZE);
+      /* sub-tex replace */
+      glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, TEX_SIZE, TEX_SIZE,
+                   GL_RGBA, GL_FLOAT, image);
+   }
+   else {
+      /* create new */
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+      glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, TEX_SIZE, TEX_SIZE, 0, 
+                   GL_RGBA, GL_FLOAT, image);
+   }
+}
+
+
+
 /* draw a colored cube */
 static void
 draw_object(void)
@@ -86,52 +160,61 @@ draw_object(void)
    glScalef(0.75, 0.75, 0.75);
 
    glColor3f(1, 0, 0);
-   glBegin(GL_POLYGON);
-   glVertex3f(1, -1, -1);
-   glVertex3f(1,  1, -1);
-   glVertex3f(1,  1,  1);
-   glVertex3f(1, -1,  1);
-   glEnd();
 
+   if (Texture) {
+      glBindTexture(GL_TEXTURE_2D, TexObj);
+      glEnable(GL_TEXTURE_2D);
+   }
+   else {
+      glDisable(GL_TEXTURE_2D);
+   }
+
+   glBegin(GL_QUADS);
+
+   /* -X */
    glColor3f(0, 1, 1);
-   glBegin(GL_POLYGON);
-   glVertex3f(-1, -1, -1);
-   glVertex3f(-1,  1, -1);
-   glVertex3f(-1,  1,  1);
-   glVertex3f(-1, -1,  1);
-   glEnd();
+   glTexCoord2f(0, 0);  glVertex3f(-1, -1, -1);
+   glTexCoord2f(1, 0);  glVertex3f(-1,  1, -1);
+   glTexCoord2f(1, 1);  glVertex3f(-1,  1,  1);
+   glTexCoord2f(0, 1);  glVertex3f(-1, -1,  1);
 
-   glColor3f(0, 1, 0);
-   glBegin(GL_POLYGON);
-   glVertex3f(-1, 1, -1);
-   glVertex3f( 1, 1, -1);
-   glVertex3f( 1, 1,  1);
-   glVertex3f(-1, 1,  1);
-   glEnd();
+   /* +X */
+   glColor3f(1, 0, 0);
+   glTexCoord2f(0, 0);  glVertex3f(1, -1, -1);
+   glTexCoord2f(1, 0);  glVertex3f(1,  1, -1);
+   glTexCoord2f(1, 1);  glVertex3f(1,  1,  1);
+   glTexCoord2f(0, 1);  glVertex3f(1, -1,  1);
 
+   /* -Y */
    glColor3f(1, 0, 1);
-   glBegin(GL_POLYGON);
-   glVertex3f(-1, -1, -1);
-   glVertex3f( 1, -1, -1);
-   glVertex3f( 1, -1,  1);
-   glVertex3f(-1, -1,  1);
-   glEnd();
+   glTexCoord2f(0, 0);  glVertex3f(-1, -1, -1);
+   glTexCoord2f(1, 0);  glVertex3f( 1, -1, -1);
+   glTexCoord2f(1, 1);  glVertex3f( 1, -1,  1);
+   glTexCoord2f(0, 1);  glVertex3f(-1, -1,  1);
 
-   glColor3f(0, 0, 1);
-   glBegin(GL_POLYGON);
-   glVertex3f(-1, -1, 1);
-   glVertex3f( 1, -1, 1);
-   glVertex3f( 1,  1, 1);
-   glVertex3f(-1,  1, 1);
-   glEnd();
+   /* +Y */
+   glColor3f(0, 1, 0);
+   glTexCoord2f(0, 0);  glVertex3f(-1, 1, -1);
+   glTexCoord2f(1, 0);  glVertex3f( 1, 1, -1);
+   glTexCoord2f(1, 1);  glVertex3f( 1, 1,  1);
+   glTexCoord2f(0, 1);  glVertex3f(-1, 1,  1);
 
+   /* -Z */
    glColor3f(1, 1, 0);
-   glBegin(GL_POLYGON);
-   glVertex3f(-1, -1, -1);
-   glVertex3f( 1, -1, -1);
-   glVertex3f( 1,  1, -1);
-   glVertex3f(-1,  1, -1);
+   glTexCoord2f(0, 0);  glVertex3f(-1, -1, -1);
+   glTexCoord2f(1, 0);  glVertex3f( 1, -1, -1);
+   glTexCoord2f(1, 1);  glVertex3f( 1,  1, -1);
+   glTexCoord2f(0, 1);  glVertex3f(-1,  1, -1);
+
+   /* +Y */
+   glColor3f(0, 0, 1);
+   glTexCoord2f(0, 0);  glVertex3f(-1, -1, 1);
+   glTexCoord2f(1, 0);  glVertex3f( 1, -1, 1);
+   glTexCoord2f(1, 1);  glVertex3f( 1,  1, 1);
+   glTexCoord2f(0, 1);  glVertex3f(-1,  1, 1);
+
    glEnd();
+
    glPopMatrix();
 }
 
@@ -143,6 +226,8 @@ resize(struct winthread *wt, int w, int h)
    wt->NewSize = GL_TRUE;
    wt->WinWidth = w;
    wt->WinHeight = h;
+   if (!Animate)
+      signal_redraw();
 }
 
 
@@ -152,18 +237,19 @@ resize(struct winthread *wt, int w, int h)
 static void
 draw_loop(struct winthread *wt)
 {
-   GLboolean firstIter = GL_TRUE;
-
    while (!ExitFlag) {
 
       if (Locking)
          pthread_mutex_lock(&Mutex);
 
       glXMakeCurrent(wt->Dpy, wt->Win, wt->Context);
-      if (firstIter) {
+      if (!wt->Initialized) {
          printf("glthreads: %d: GL_RENDERER = %s\n", wt->Index,
                 (char *) glGetString(GL_RENDERER));
-         firstIter = GL_FALSE;
+         if (Texture /*&& wt->Index == 0*/) {
+            MakeNewTexture(wt);
+         }
+         wt->Initialized = GL_TRUE;
       }
 
       if (Locking)
@@ -183,10 +269,15 @@ draw_loop(struct winthread *wt)
          wt->NewSize = GL_FALSE;
       }
 
+      if (wt->MakeNewTexture) {
+         MakeNewTexture(wt);
+         wt->MakeNewTexture = GL_FALSE;
+      }
+
       glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
       glPushMatrix();
-         glRotatef(wt->Angle, 0, 0, 1);
+         glRotatef(wt->Angle, 0, 1, 0);
          glRotatef(wt->Angle, 1, 0, 0);
          glScalef(0.7, 0.7, 0.7);
          draw_object();
@@ -200,12 +291,63 @@ draw_loop(struct winthread *wt)
       if (Locking)
          pthread_mutex_unlock(&Mutex);
 
-      usleep(5000);
+      if (Animate) {
+         usleep(5000);
+      }
+      else {
+         /* wait for signal to draw */
+         pthread_mutex_lock(&CondMutex);
+         pthread_cond_wait(&CondVar, &CondMutex);
+         pthread_mutex_unlock(&CondMutex);
+      }
       wt->Angle += 1.0;
    }
 }
 
 
+static void
+keypress(XEvent *event, struct winthread *wt)
+{
+   char buf[100];
+   KeySym keySym;
+   XComposeStatus stat;
+
+   XLookupString(&event->xkey, buf, sizeof(buf), &keySym, &stat);
+
+   switch (keySym) {
+   case XK_Escape:
+      /* tell all threads to exit */
+      if (!Animate) {
+         signal_redraw();
+      }
+      ExitFlag = GL_TRUE;
+      /*printf("exit draw_loop %d\n", wt->Index);*/
+      return;
+   case XK_t:
+   case XK_T:
+      if (Texture) {
+         wt->MakeNewTexture = GL_TRUE;
+         if (!Animate)
+            signal_redraw();
+      }
+      break;
+   case XK_a:
+   case XK_A:
+      Animate = !Animate;
+      if (Animate)  /* yes, prev Animate state! */
+         signal_redraw();
+      break;
+   case XK_s:
+   case XK_S:
+      if (!Animate)
+         signal_redraw();
+      break;
+   default:
+      ; /* nop */
+   }
+}
+
+
 /*
  * The main process thread runs this loop.
  * Single display connection for all threads.
@@ -251,10 +393,14 @@ event_loop(Display *dpy)
             }
             break;
          case KeyPress:
-            /* tell all threads to exit */
-            ExitFlag = GL_TRUE;
-            /*printf("exit draw_loop %d\n", wt->Index);*/
-            return;
+            for (i = 0; i < NumWinThreads; i++) {
+               struct winthread *wt = &WinThreads[i];
+               if (event.xkey.window == wt->Win) {
+                  keypress(&event, wt);
+                  break;
+               }
+            }
+            break;
          default:
             /*no-op*/ ;
       }
@@ -282,12 +428,10 @@ event_loop_multi(void)
             resize(wt, event.xconfigure.width, event.xconfigure.height);
             break;
          case KeyPress:
-            /* tell all threads to exit */
-            ExitFlag = GL_TRUE;
-            /*printf("exit draw_loop %d\n", wt->Index);*/
-            return;
+            keypress(&event, wt);
+            break;
          default:
-            /*no-op*/ ;
+            ; /* nop */
          }
       }
       w = (w + 1) % NumWinThreads;
@@ -301,7 +445,7 @@ event_loop_multi(void)
  * we'll call this once for each thread, before the threads are created.
  */
 static void
-create_window(struct winthread *wt)
+create_window(struct winthread *wt, GLXContext shareCtx)
 {
    Window win;
    GLXContext ctx;
@@ -317,9 +461,9 @@ create_window(struct winthread *wt)
    unsigned long mask;
    Window root;
    XVisualInfo *visinfo;
-   int width = 80, height = 80;
-   int xpos = (wt->Index % 10) * 90;
-   int ypos = (wt->Index / 10) * 100;
+   int width = 160, height = 160;
+   int xpos = (wt->Index % 8) * (width + 10);
+   int ypos = (wt->Index / 8) * (width + 20);
 
    scrnum = DefaultScreen(wt->Dpy);
    root = RootWindow(wt->Dpy, scrnum);
@@ -356,7 +500,7 @@ create_window(struct winthread *wt)
    }
 
 
-   ctx = glXCreateContext(wt->Dpy, visinfo, NULL, True);
+   ctx = glXCreateContext(wt->Dpy, visinfo, shareCtx, True);
    if (!ctx) {
       Error("Couldn't create GLX context");
    }
@@ -417,6 +561,12 @@ usage(void)
    printf("   -n NUMTHREADS  Number of threads to create\n");
    printf("   -p  Use a separate display connection for each thread\n");
    printf("   -l  Use application-side locking\n");
+   printf("   -t  Enable texturing\n");
+   printf("Keyboard:\n");
+   printf("   Esc  Exit\n");
+   printf("   t    Change texture image (requires -t option)\n");
+   printf("   a    Toggle animation\n");
+   printf("   s    Step rotation (when not animating)\n");
 }
 
 
@@ -445,6 +595,9 @@ main(int argc, char *argv[])
          else if (strcmp(argv[i], "-l") == 0) {
             Locking = 1;
          }
+         else if (strcmp(argv[i], "-t") == 0) {
+            Texture = 1;
+         }
          else if (strcmp(argv[i], "-n") == 0 && i + 1 < argc) {
             numThreads = atoi(argv[i + 1]);
             if (numThreads < 1)
@@ -491,9 +644,9 @@ main(int argc, char *argv[])
       }
    }
 
-   if (Locking) {
-      pthread_mutex_init(&Mutex, NULL);
-   }
+   pthread_mutex_init(&Mutex, NULL);
+   pthread_mutex_init(&CondMutex, NULL);
+   pthread_cond_init(&CondVar, NULL);
 
    printf("glthreads: creating windows\n");
 
@@ -501,6 +654,8 @@ main(int argc, char *argv[])
 
    /* Create the GLX windows and contexts */
    for (i = 0; i < numThreads; i++) {
+      GLXContext share;
+
       if (MultiDisplays) {
          WinThreads[i].Dpy = XOpenDisplay(displayName);
          assert(WinThreads[i].Dpy);
@@ -509,7 +664,11 @@ main(int argc, char *argv[])
          WinThreads[i].Dpy = dpy;
       }
       WinThreads[i].Index = i;
-      create_window(&WinThreads[i]);
+      WinThreads[i].Initialized = GL_FALSE;
+
+      share = (Texture && i > 0) ? WinThreads[0].Context : 0;
+
+      create_window(&WinThreads[i], share);
    }
 
    printf("glthreads: creating threads\n");