Merge branch 'master' into opengl-es-v2

Conflicts:
	src/mesa/main/dd.h

342 files changed, 2401 insertions, 1268 deletions

diff --git a/progs/.gitignore b/progs/.gitignore
new file mode 100644
index 0000000000..cb77d18a4b
--- /dev/null
+++ b/progs/.gitignore
@@ -0,0 +1 @@
+*.dSYM
diff --git a/progs/Makefile b/progs/Makefile
index 3700707dfb..5bc444e952 100644
--- a/progs/Makefile
+++ b/progs/Makefile
@@ -15,22 +15,18 @@ message:
 
 
 subdirs:
-	@if test -n "$(SUBDIRS)" ; then \
-		for dir in $(SUBDIRS) ; do \
-			if [ -d $$dir ] ; then \
-				(cd $$dir && $(MAKE)) || exit 1 ; \
-			fi \
-		done \
-	fi
+	@list='$(SUBDIRS)'; for dir in $$list ; do \
+		if [ -d $$dir ] ; then \
+			(cd $$dir && $(MAKE)) || exit 1 ; \
+		fi \
+	done
 
 # Dummy install target
 install:
 
 clean:
-	-@if test -n "$(SUBDIRS)" ; then \
-		for dir in $(SUBDIRS) tests ; do \
-			if [ -d $$dir ] ; then \
-				(cd $$dir && $(MAKE) clean) ; \
-			fi \
-		done \
-	fi
+	@list='$(SUBDIRS)'; for dir in $$list tests ; do \
+		if [ -d $$dir ] ; then \
+			(cd $$dir && $(MAKE) clean) ; \
+		fi \
+	done
diff --git a/progs/SConscript b/progs/SConscript
index 66eaf9e541..3b180d00bc 100644
--- a/progs/SConscript
+++ b/progs/SConscript
@@ -1,5 +1,43 @@
 SConscript([
     'util/SConscript',
+])
+
+Import('*')
+
+progs_env = env.Clone()
+
+if progs_env['platform'] == 'windows':
+    progs_env.Append(CPPDEFINES = ['NOMINMAX'])
+    progs_env.Prepend(LIBS = [
+        'winmm',
+        'kernel32',
+        'user32',
+        'gdi32',
+    ])
+
+# OpenGL
+if progs_env['platform'] == 'windows':
+    progs_env.Prepend(LIBS = ['glu32', 'opengl32'])
+else:
+    progs_env.Prepend(LIBS = ['GLU', 'GL'])
+
+# Glut
+progs_env.Prepend(LIBS = [glut])
+
+# GLEW
+progs_env.Prepend(LIBS = [glew])
+
+progs_env.Prepend(CPPPATH = [
+	'#progs/util',
+])
+
+progs_env.Prepend(LIBS = [
+	util,
+])
+
+Export('progs_env')
+
+SConscript([
     'demos/SConscript',
     'glsl/SConscript',
     'redbook/SConscript',
diff --git a/progs/SConstruct b/progs/SConstruct
deleted file mode 100644
index 4d268cc6d7..0000000000
--- a/progs/SConstruct
+++ /dev/null
@@ -1,65 +0,0 @@
-import os
-import os.path
-import sys
-
-env = Environment(
-    tools = ['generic'],
-    toolpath = ['../scons'],
-    ENV = os.environ,
-)
-
-
-# Use Mesa's headers and libs
-if 1:
-    build_topdir = 'build'
-    build_subdir = env['platform']
-    if env['machine'] != 'generic':
-        build_subdir += '-' + env['machine']
-    if env['debug']:
-        build_subdir += "-debug"
-    if env['profile']:
-        build_subdir += "-profile"
-    build_dir = os.path.join(build_topdir, build_subdir)
-
-    env.Append(CPPDEFINES = ['GLEW_STATIC'])
-    env.Append(CPPPATH = ['#../include'])
-    env.Append(LIBPATH = [
-        '#../' + build_dir + '/glew/',
-        '#../' + build_dir + '/glut/glx',
-    ])
-
-
-conf = Configure(env)
-
-# OpenGL
-if env['platform'] == 'windows':
-    env.Prepend(LIBS = ['glu32', 'opengl32'])
-else:
-    env.Prepend(LIBS = ['GLU', 'GL'])
-
-# Glut
-env['GLUT'] = False
-if conf.CheckCHeader('GL/glut.h'):
-    if env['platform'] == 'windows':
-        env['GLUT_LIB'] = 'glut32'
-    else:
-        env['GLUT_LIB'] = 'glut'
-    env['GLUT'] = True
-
-# GLEW
-env['GLEW'] = False
-if conf.CheckCHeader('GL/glew.h'):
-    env['GLEW_LIB'] = 'glew'
-    env['GLEW'] = True
-    env.Prepend(LIBS = ['glew'])
-
-conf.Finish()
-
-
-Export('env')
-
-SConscript(
-    'SConscript',
-    build_dir = env['build'],
-    duplicate = 0 # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
-)
diff --git a/progs/demos/SConscript b/progs/demos/SConscript
index f851870bcf..742dd66f36 100644
--- a/progs/demos/SConscript
+++ b/progs/demos/SConscript
@@ -1,84 +1,66 @@
 Import('*')
 
-if not env['GLUT']:
-    Return()
-
-env = env.Clone()
-
-env.Prepend(CPPPATH = [
-	'../util',
-])
-
-env.Prepend(LIBS = [
-	util,
-	'$GLUT_LIB'
-])
-
-if env['platform'] == 'windows':
-    env.Append(CPPDEFINES = ['NOMINMAX'])
-    env.Prepend(LIBS = ['winmm'])
-
 progs = [
-	'arbfplight',
-	'arbfslight',
-	'arbocclude',
-	'bounce',
-	'clearspd',
-	'copypix',
-	'cubemap',
-	'drawpix',
-	'engine',
-	'fbo_firecube',
-	'fire',
-	'fogcoord',
-	'fplight',
-	'fslight',
-	'gamma',
-	'gearbox',
-	'gears',
-	'geartrain',
-	'glinfo',
-	'gloss',
-	'gltestperf',
-	'ipers',
-	'isosurf',
-	'lodbias',
-	'morph3d',
-	'multiarb',
-	'paltex',
-	'pointblast',
-	'ray',
-	'readpix',
-	'reflect',
-	'renormal',
-	'shadowtex',
-	'singlebuffer',
-	'spectex',
-	'spriteblast',
-	'stex3d',
-	'teapot',
-	'terrain',
-	'tessdemo',
-	'texcyl',
-	'texenv',
-	'textures',
-	'trispd',
-	'tunnel',
-	'tunnel2',
-	'vao_demo',
-	'winpos',
-        'dinoshade',
-        'fbotexture',
-        'projtex',
+    'arbfplight',
+    'arbfslight',
+    'arbocclude',
+    'bounce',
+    'clearspd',
+    'copypix',
+    'cubemap',
+    'drawpix',
+    'engine',
+    'fbo_firecube',
+    'fire',
+    'fogcoord',
+    'fplight',
+    'fslight',
+    'gamma',
+    'gearbox',
+    'gears',
+    'geartrain',
+    'glinfo',
+    'gloss',
+    'gltestperf',
+    'ipers',
+    'isosurf',
+    'lodbias',
+    'morph3d',
+    'multiarb',
+    'paltex',
+    'pointblast',
+    'ray',
+    'readpix',
+    'reflect',
+    'renormal',
+    'shadowtex',
+    'singlebuffer',
+    'spectex',
+    'spriteblast',
+    'stex3d',
+    'teapot',
+    'terrain',
+    'tessdemo',
+    'texcyl',
+    'texenv',
+    'textures',
+    'trispd',
+    'tunnel',
+    'tunnel2',
+    'vao_demo',
+    'winpos',
+    'dinoshade',
+    'fbotexture',
+    'projtex',
 ]
 
 for prog in progs:
-    env.Program(
+    progs_env.Program(
         target = prog,
         source = prog + '.c',
     )
     
-env.Program(
+progs_env.Program(
     target = 'rain',
     source = [
         'rain.cxx',
diff --git a/progs/demos/arbfplight.c b/progs/demos/arbfplight.c
index 7b7a12bf88..861b3b7252 100644
--- a/progs/demos/arbfplight.c
+++ b/progs/demos/arbfplight.c
@@ -388,9 +388,8 @@ static void Init( void )
 
 int main( int argc, char *argv[] )
 {
-   glutInit( &argc, argv );
-   glutInitWindowPosition( 0, 0 );
    glutInitWindowSize( 200, 200 );
+   glutInit( &argc, argv );
    glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
    Win = glutCreateWindow(argv[0]);
    glutReshapeFunc( Reshape );
diff --git a/progs/demos/arbfslight.c b/progs/demos/arbfslight.c
index 275c85105e..a0ce7f3f5b 100644
--- a/progs/demos/arbfslight.c
+++ b/progs/demos/arbfslight.c
@@ -311,9 +311,8 @@ static void Init (void)
 
 int main (int argc, char *argv[])
 {
-	glutInit (&argc, argv);
-	glutInitWindowPosition ( 0, 0);
 	glutInitWindowSize (200, 200);
+	glutInit (&argc, argv);
 	glutInitDisplayMode (GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
 	glutCreateWindow (argv[0]);
 	glutReshapeFunc (Reshape);
diff --git a/progs/demos/arbocclude.c b/progs/demos/arbocclude.c
index 9188ad5a56..f669a1f26b 100644
--- a/progs/demos/arbocclude.c
+++ b/progs/demos/arbocclude.c
@@ -268,9 +268,8 @@ static void Init( void )
 
 int main( int argc, char *argv[] )
 {
-   glutInit( &argc, argv );
-   glutInitWindowPosition( 0, 0 );
    glutInitWindowSize( 400, 400 );
+   glutInit( &argc, argv );
    glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
    Win = glutCreateWindow(argv[0]);
    glewInit();
diff --git a/progs/demos/bounce.c b/progs/demos/bounce.c
index 436bc7d1fb..a9a291e0a6 100644
--- a/progs/demos/bounce.c
+++ b/progs/demos/bounce.c
@@ -192,10 +192,8 @@ visible(int vis)
 
 int main(int argc, char *argv[])
 {
-  glutInit(&argc, argv);
-  glutInitWindowPosition(0, 0);
   glutInitWindowSize(600, 450);
-
+  glutInit(&argc, argv);
 
   IndexMode = argc > 1 && strcmp(argv[1], "-ci") == 0;
   if (IndexMode)
diff --git a/progs/demos/clearspd.c b/progs/demos/clearspd.c
index 42953f6675..c40f118a64 100644
--- a/progs/demos/clearspd.c
+++ b/progs/demos/clearspd.c
@@ -187,9 +187,8 @@ int main( int argc, char *argv[] )
 
    Init( argc, argv );
 
-   glutInit( &argc, argv );
    glutInitWindowSize( (int) Width, (int) Height );
-   glutInitWindowPosition( 0, 0 );
+   glutInit( &argc, argv );
 
    mode = ColorMode | GLUT_DOUBLE;
    if (BufferMask & GL_STENCIL_BUFFER_BIT)
diff --git a/progs/demos/copypix.c b/progs/demos/copypix.c
index a13339ea62..98c835f44f 100644
--- a/progs/demos/copypix.c
+++ b/progs/demos/copypix.c
@@ -237,6 +237,9 @@ int main( int argc, char *argv[] )
    const char *filename = IMAGE_FILE;
    int i = 1;
 
+   glutInitWindowSize( WinWidth, WinHeight );
+   glutInit( &argc, argv );
+
    if (argc > i && strcmp(argv[i], "-ci")==0) {
       ciMode = GL_TRUE;
       i++;
@@ -245,10 +248,6 @@ int main( int argc, char *argv[] )
       filename = argv[i];
    }
 
-   glutInit( &argc, argv );
-   glutInitWindowPosition( 0, 0 );
-   glutInitWindowSize( WinWidth, WinHeight );
-
    if (ciMode)
       glutInitDisplayMode( GLUT_INDEX | GLUT_DOUBLE );
    else
diff --git a/progs/demos/cubemap.c b/progs/demos/cubemap.c
index 20332b1d96..3e79d6a558 100644
--- a/progs/demos/cubemap.c
+++ b/progs/demos/cubemap.c
@@ -613,9 +613,8 @@ static void parse_args(int argc, char *argv[])
 
 int main( int argc, char *argv[] )
 {
-   glutInit(&argc, argv);
-   glutInitWindowPosition(0, 0);
    glutInitWindowSize(600, 500);
+   glutInit(&argc, argv);
    glutInitDisplayMode( GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE );
    glutCreateWindow("Texture Cube Mapping");
    glewInit();
diff --git a/progs/demos/drawpix.c b/progs/demos/drawpix.c
index 5490bcc635..9bc7086e04 100644
--- a/progs/demos/drawpix.c
+++ b/progs/demos/drawpix.c
@@ -328,6 +328,9 @@ int main( int argc, char *argv[] )
    const char *filename = IMAGE_FILE;
    int i = 1;
 
+   glutInitWindowSize( 500, 400 );
+   glutInit( &argc, argv );
+
    if (argc > i && strcmp(argv[i], "-ci")==0) {
       ciMode = GL_TRUE;
       i++;
@@ -336,10 +339,6 @@ int main( int argc, char *argv[] )
       filename = argv[i];
    }
 
-   glutInit( &argc, argv );
-   glutInitWindowPosition( 0, 0 );
-   glutInitWindowSize( 500, 400 );
-
    if (ciMode)
       glutInitDisplayMode( GLUT_INDEX | GLUT_DOUBLE );
    else
diff --git a/progs/demos/engine.c b/progs/demos/engine.c
index 3cf311e778..c54e3b8fb8 100644
--- a/progs/demos/engine.c
+++ b/progs/demos/engine.c
@@ -1308,8 +1308,8 @@ Init(void)
 int
 main(int argc, char *argv[])
 {
-   glutInit(&argc, argv);
    glutInitWindowSize(WinWidth, WinHeight);
+   glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
    glutCreateWindow("OpenGL Engine Demo");
    glewInit();
diff --git a/progs/demos/fbo_firecube.c b/progs/demos/fbo_firecube.c
index b3f7e00e5a..17767a148f 100644
--- a/progs/demos/fbo_firecube.c
+++ b/progs/demos/fbo_firecube.c
@@ -1051,11 +1051,11 @@ visible(int vis)
 int
 main(int argc, char *argv[])
 {
+   glutInitWindowSize(WinWidth, WinHeight);
    glutInit(&argc, argv);
 
    glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
 
-   glutInitWindowSize(WinWidth, WinHeight);
    Win = glutCreateWindow("fbo_firecube");
    glewInit();
    init(argc, argv);
diff --git a/progs/demos/fire.c b/progs/demos/fire.c
index dd70f6141d..9c351e80e5 100644
--- a/progs/demos/fire.c
+++ b/progs/demos/fire.c
@@ -6,6 +6,7 @@
  *            Humanware s.r.l.
  */
 
+#include <assert.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <math.h>
@@ -733,7 +734,6 @@ main(int ac, char **av)
       HEIGHT = atoi(av[3]);
    }
 
-   glutInitWindowPosition(0, 0);
    glutInitWindowSize(WIDTH, HEIGHT);
    glutInit(&ac, av);
 
@@ -759,6 +759,7 @@ main(int ac, char **av)
    glFogfv(GL_FOG_COLOR, fogcolor);
    glFogf(GL_FOG_DENSITY, 0.1);
 
+   assert(np > 0);
    p = (part *) malloc(sizeof(part) * np);
 
    for (i = 0; i < np; i++)
diff --git a/progs/demos/fogcoord.c b/progs/demos/fogcoord.c
index 6f50993c98..336aa58075 100644
--- a/progs/demos/fogcoord.c
+++ b/progs/demos/fogcoord.c
@@ -15,8 +15,6 @@
 
 #define DEPTH 5.0f
 
-static PFNGLFOGCOORDPOINTEREXTPROC glFogCoordPointer_ext;
-
 static GLfloat camz;
 
 static GLint fogMode;
@@ -406,8 +404,8 @@ Init(void)
 int
 main( int argc, char *argv[] )
 {
-   glutInit( &argc, argv );
    glutInitWindowSize( 600, 600 );
+   glutInit( &argc, argv );
    glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
    glutCreateWindow(argv[0]);
    glewInit();
diff --git a/progs/demos/fplight.c b/progs/demos/fplight.c
index c297354103..f52a4f7868 100644
--- a/progs/demos/fplight.c
+++ b/progs/demos/fplight.c
@@ -268,9 +268,8 @@ static void Init( void )
 
 int main( int argc, char *argv[] )
 {
-   glutInit( &argc, argv );
-   glutInitWindowPosition( 0, 0 );
    glutInitWindowSize( 200, 200 );
+   glutInit( &argc, argv );
    glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
    Win = glutCreateWindow(argv[0]);
    glewInit();
diff --git a/progs/demos/fslight.c b/progs/demos/fslight.c
index f0d76a4a06..395b7caa2c 100644
--- a/progs/demos/fslight.c
+++ b/progs/demos/fslight.c
@@ -353,6 +353,7 @@ MakeSphere(void)
    glNewList(SphereList, GL_COMPILE);
    gluSphere(obj, 2.0f, 10, 5);
    glEndList();
+   gluDeleteQuadric(obj);
 }
 
 static void
@@ -599,9 +600,8 @@ ParseOptions(int argc, char *argv[])
 int
 main(int argc, char *argv[])
 {
-   glutInit(&argc, argv);
-   glutInitWindowPosition( 0, 0);
    glutInitWindowSize(200, 200);
+   glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
    win = glutCreateWindow(argv[0]);
    glutReshapeFunc(Reshape);
diff --git a/progs/demos/gamma.c b/progs/demos/gamma.c
index 9b2c3e1052..61c6d125fb 100644
--- a/progs/demos/gamma.c
+++ b/progs/demos/gamma.c
@@ -146,12 +146,9 @@ display(void)
 int
 main(int argc, char **argv)
 {
+  glutInitWindowSize(500, 400);
   glutInit(&argc, argv);
   glutInitDisplayMode(GLUT_RGB | GLUT_SINGLE);
-
-  glutInitWindowPosition(50, 50);
-  glutInitWindowSize(500, 400);
-
   glutCreateWindow("gamma test patterns");
   glutReshapeFunc(Reshape);
   glutDisplayFunc(display);
diff --git a/progs/demos/gearbox.c b/progs/demos/gearbox.c
index 2dcf32f92f..71d0281904 100644
--- a/progs/demos/gearbox.c
+++ b/progs/demos/gearbox.c
@@ -474,10 +474,10 @@ visible(int vis)
 int
 main(int argc, char *argv[])
 {
+   glutInitWindowSize(WinWidth, WinHeight);
    glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
 
-   glutInitWindowSize(WinWidth, WinHeight);
    Win = glutCreateWindow("gearbox");
    init(argc, argv);
 
diff --git a/progs/demos/gears.c b/progs/demos/gears.c
index 6016162d6f..31a5b79eab 100644
--- a/progs/demos/gears.c
+++ b/progs/demos/gears.c
@@ -385,11 +385,9 @@ visible(int vis)
 
 int main(int argc, char *argv[])
 {
+  glutInitWindowSize(300, 300);
   glutInit(&argc, argv);
   glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
-
-  glutInitWindowPosition(0, 0);
-  glutInitWindowSize(300, 300);
   win = glutCreateWindow("Gears");
   init(argc, argv);
 
diff --git a/progs/demos/geartrain.c b/progs/demos/geartrain.c
index 8fe405e807..00b6e78b72 100644
--- a/progs/demos/geartrain.c
+++ b/progs/demos/geartrain.c
@@ -25,6 +25,7 @@
  */
 
 
+#include <assert.h>
 #include <math.h>
 #include <stdlib.h>
 #include <GL/glut.h>
@@ -129,8 +130,10 @@ Clear_Buffers ()
 static void
 LoadTriplet (TDA A)
 {
+    int result;
     Clear_Buffers ();
-    fscanf (mainfile, "%s %s %s %s", Buf1, Buf2, Buf3, Buf4);
+    result = fscanf (mainfile, "%s %s %s %s", Buf1, Buf2, Buf3, Buf4);
+    assert(result != EOF);
     A[0] = atof (Buf2);
     A[1] = atof (Buf3);
     A[2] = atof (Buf4);
@@ -140,8 +143,10 @@ LoadTriplet (TDA A)
 static void
 LoadReal (float *a)
 {
+    int result;
     Clear_Buffers ();
-    fscanf (mainfile, "%s %s", Buf1, Buf2);
+    result = fscanf (mainfile, "%s %s", Buf1, Buf2);
+    assert(result != EOF);
     *a = atof (Buf2);
 }
 
@@ -149,8 +154,10 @@ LoadReal (float *a)
 static void
 LoadInteger (int *a)
 {
+    int result;
     Clear_Buffers ();
-    fscanf (mainfile, "%s %s", Buf1, Buf2);
+    result = fscanf (mainfile, "%s %s", Buf1, Buf2);
+    assert(result != EOF);
     *a = atoi (Buf2);
 }
 
@@ -158,8 +165,10 @@ LoadInteger (int *a)
 static void
 LoadText (char *a)
 {
+    int result;
     Clear_Buffers ();
-    fscanf (mainfile, "%s %s", Buf1, Buf2);
+    result = fscanf (mainfile, "%s %s", Buf1, Buf2);
+    assert(result != EOF);
     strcpy (a, Buf2);
 }
 
@@ -177,8 +186,10 @@ getdata (char filename[])
 
     do
     {
+	int result;
 	Clear_Buffers ();
-	fscanf (mainfile, "%s", Buf1);
+	result = fscanf (mainfile, "%s", Buf1);
+	(void) result;
 	if (ferror (mainfile))
 	{
 	    printf ("\nError opening file !\n");
@@ -1049,19 +1060,18 @@ main (int argc, char *argv[])
 {
     char *file;
 
-    if (argc < 2)
-       file = "geartrain.dat";
-    else
-       file = argv[1];
-
-    glutInit(&argc, argv); 
-    glutInitWindowPosition (0, 0);
     glutInitWindowSize(640,480);
+    glutInit(&argc, argv); 
     glutInitDisplayMode (GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE );
 
     if (glutCreateWindow ("Gear Train Simulation") == GL_FALSE)
       exit (1);
 
+    if (argc < 2)
+       file = "geartrain.dat";
+    else
+       file = argv[1];
+
     getdata (file);
     process ();
     init ();
diff --git a/progs/demos/gloss.c b/progs/demos/gloss.c
index 69694b23a0..578736b4e2 100644
--- a/progs/demos/gloss.c
+++ b/progs/demos/gloss.c
@@ -436,8 +436,8 @@ static void Init( int argc, char *argv[] )
 
 int main( int argc, char *argv[] )
 {
-   glutInit( &argc, argv );
    glutInitWindowSize(WinWidth, WinHeight);
+   glutInit( &argc, argv );
    glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
    glutCreateWindow(argv[0] );
    glewInit();
diff --git a/progs/demos/gltestperf.c b/progs/demos/gltestperf.c
index 2188b02419..3658a39598 100644
--- a/progs/demos/gltestperf.c
+++ b/progs/demos/gltestperf.c
@@ -569,10 +569,9 @@ main(int ac, char **av)
    if (ac == 2)
       frontbuffer = 0;
 
+   glutInitWindowSize(640, 480);
    glutInit(&ac, av);
    glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
-   glutInitWindowPosition(0, 0);
-   glutInitWindowSize(640, 480);
    glutCreateWindow("OpenGL/Mesa Performances");
    glutDisplayFunc(display);
    glutMainLoop();
diff --git a/progs/demos/ipers.c b/progs/demos/ipers.c
index 5d82b0dc92..265378b90a 100644
--- a/progs/demos/ipers.c
+++ b/progs/demos/ipers.c
@@ -133,6 +133,8 @@ initdlists(void)
 
       glEndList();
    }
+
+   gluDeleteQuadric(obj);
 }
 
 static void
@@ -680,7 +682,6 @@ main(int ac, char **av)
    fprintf(stderr,
 	   "IperS V1.0\nWritten by David Bucciarelli (tech.hmw@plus.it)\n");
 
-   glutInitWindowPosition(0, 0);
    glutInitWindowSize(WIDTH, HEIGHT);
    glutInit(&ac, av);
 
diff --git a/progs/demos/isosurf.c b/progs/demos/isosurf.c
index 2e9dff1726..dbe4d8d172 100644
--- a/progs/demos/isosurf.c
+++ b/progs/demos/isosurf.c
@@ -132,9 +132,11 @@ static void read_surface( char *filename )
 
    numverts = 0;
    while (!feof(f) && numverts<maxverts) {
-      fscanf( f, "%f %f %f  %f %f %f",
-	      &data[numverts][0], &data[numverts][1], &data[numverts][2],
-	      &data[numverts][3], &data[numverts][4], &data[numverts][5] );
+      int result;
+      result = fscanf( f, "%f %f %f  %f %f %f",
+	               &data[numverts][0], &data[numverts][1], &data[numverts][2],
+	               &data[numverts][3], &data[numverts][4], &data[numverts][5] );
+      (void) result;
       numverts++;
    }
    numverts--;
@@ -1061,9 +1063,8 @@ int main(int argc, char **argv)
 
    read_surface( "isosurf.dat" );
 
-   glutInit( &argc, argv);
-   glutInitWindowPosition(0, 0);
    glutInitWindowSize(400, 400);
+   glutInit( &argc, argv);
 
    type = GLUT_DEPTH;
    type |= GLUT_RGB;
diff --git a/progs/demos/lodbias.c b/progs/demos/lodbias.c
index 8d39bd605a..23488b1616 100644
--- a/progs/demos/lodbias.c
+++ b/progs/demos/lodbias.c
@@ -282,9 +282,8 @@ static void Init( void )
 
 int main( int argc, char *argv[] )
 {
-   glutInit( &argc, argv );
-   glutInitWindowPosition( 0, 0 );
    glutInitWindowSize( 350, 350 );
+   glutInit( &argc, argv );
    glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
    win = glutCreateWindow(argv[0]);
    glutReshapeFunc( Reshape );
diff --git a/progs/demos/morph3d.c b/progs/demos/morph3d.c
index 6aca8270ff..0f8ac426f3 100644
--- a/progs/demos/morph3d.c
+++ b/progs/demos/morph3d.c
@@ -841,9 +841,8 @@ int main(int argc, char **argv)
 
   object=1;
 
-  glutInit(&argc, argv);
-  glutInitWindowPosition(0,0);
   glutInitWindowSize(640,480);
+  glutInit(&argc, argv);
 
   glutInitDisplayMode( GLUT_DEPTH | GLUT_DOUBLE | GLUT_RGB );
 
@@ -887,5 +886,6 @@ int main(int argc, char **argv)
   glutIdleFunc( idle_ );
   glutDisplayFunc( draw );
   glutMainLoop();
-  
+
+  return 0;
 }
diff --git a/progs/demos/multiarb.c b/progs/demos/multiarb.c
index 3d89d3a13e..82796a0c3f 100644
--- a/progs/demos/multiarb.c
+++ b/progs/demos/multiarb.c
@@ -338,9 +338,8 @@ int main( int argc, char *argv[] )
 {
    GLint i;
 
-   glutInit( &argc, argv );
    glutInitWindowSize( 300, 300 );
-   glutInitWindowPosition( 0, 0 );
+   glutInit( &argc, argv );
    glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
    glutCreateWindow(argv[0] );
    glewInit();
diff --git a/progs/demos/paltex.c b/progs/demos/paltex.c
index d0cbcfb5e9..5d4b8662b5 100644
--- a/progs/demos/paltex.c
+++ b/progs/demos/paltex.c
@@ -248,12 +248,9 @@ static void Init2( void )
 
 int main( int argc, char *argv[] )
 {
-   glutInit( &argc, argv );
-   glutInitWindowPosition( 0, 0 );
    glutInitWindowSize( 400, 300 );
-
+   glutInit( &argc, argv );
    glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
-
    glutCreateWindow(argv[0]);
    glewInit();
 
diff --git a/progs/demos/pointblast.c b/progs/demos/pointblast.c
index 2d70b72589..b4d0a67f99 100644
--- a/progs/demos/pointblast.c
+++ b/progs/demos/pointblast.c
@@ -427,10 +427,10 @@ int
 main(int argc, char **argv)
 {
   int i;
+
+  glutInitWindowSize(300, 300);
   glutInit(&argc, argv);
   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH | GLUT_MULTISAMPLE);
-  glutInitWindowPosition(0, 0);
-  glutInitWindowSize(300, 300);
 
   for (i=1; i<argc; i++) {
     if(!strcmp("-noms", argv[i])) {
diff --git a/progs/demos/projtex.c b/progs/demos/projtex.c
index 99154d7bdc..d162568b9f 100644
--- a/progs/demos/projtex.c
+++ b/progs/demos/projtex.c
@@ -245,6 +245,10 @@ loadImageTextures(void)
        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
      }
      glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_BORDER_COLOR, borderColor);
+
+     free(texData3);
+     free(texData4);
+     free(image);
   }
 }
 
@@ -994,18 +998,17 @@ menu(int selection)
 int
 main(int argc, char **argv)
 {
+  glutInitWindowSize(500,500);
   glutInit(&argc, argv);
+  glutInitDisplayMode(GLUT_RGBA | GLUT_DEPTH | GLUT_DOUBLE);
+  (void) glutCreateWindow("projtex");
+  glewInit();
 
   if (argc > 1) {
      NumTextures = atoi(argv[1]);
   }
   assert(NumTextures <= MAX_TEX);
 
-  glutInitDisplayMode(GLUT_RGBA | GLUT_DEPTH | GLUT_DOUBLE);
-  glutInitWindowSize(500,500);
-  (void) glutCreateWindow("projtex");
-  glewInit();
-
   loadTexture = loadImageTextures;
   drawObject = drawCube;
   initialize();
diff --git a/progs/demos/ray.c b/progs/demos/ray.c
index c2d8e4f545..9cc464d239 100644
--- a/progs/demos/ray.c
+++ b/progs/demos/ray.c
@@ -834,6 +834,8 @@ initdlists(void)
    gluQuadricTexture(obj, GL_TRUE);
    gluSphere(obj, SPHERE_RADIUS, 16, 16);
    glEndList();
+
+   gluDeleteQuadric(obj);
 }
 
 int
@@ -854,7 +856,6 @@ main(int ac, char **av)
       }
     */
 
-   glutInitWindowPosition(0, 0);
    glutInitWindowSize(WIDTH, HEIGHT);
    glutInit(&ac, av);
 
diff --git a/progs/demos/readpix.c b/progs/demos/readpix.c
index bbb3a68eff..cc4e490269 100644
--- a/progs/demos/readpix.c
+++ b/progs/demos/readpix.c
@@ -219,7 +219,7 @@ Display( void )
       GLint reads = 0;
       GLint endTime;
       GLint startTime = glutGet(GLUT_ELAPSED_TIME);
-      GLdouble seconds, pixelsPerSecond;
+      GLdouble seconds, mpixels, mpixelsPerSecond;
       printf("Benchmarking...\n");
       do {
          glReadPixels(APosX, APosY, ImgWidth, ImgHeight,
@@ -228,9 +228,10 @@ Display( void )
          endTime = glutGet(GLUT_ELAPSED_TIME);
       } while (endTime - startTime < 4000);   /* 4 seconds */
       seconds = (double) (endTime - startTime) / 1000.0;
-      pixelsPerSecond = reads * ImgWidth * ImgHeight / seconds;
-      printf("Result:  %d reads in %f seconds = %f pixels/sec\n",
-             reads, seconds, pixelsPerSecond);
+      mpixels = reads * (ImgWidth * ImgHeight / (1000.0 * 1000.0));
+      mpixelsPerSecond = mpixels / seconds;
+      printf("Result:  %d reads in %f seconds = %f Mpixels/sec\n",
+             reads, seconds, mpixelsPerSecond);
       Benchmark = GL_FALSE;
    }
    else {
@@ -382,12 +383,11 @@ int
 main( int argc, char *argv[] )
 {
    GLboolean ciMode = GL_FALSE;
+   glutInitWindowSize( 750, 250 );
+   glutInit( &argc, argv );
    if (argc > 1 && strcmp(argv[1], "-ci")==0) {
       ciMode = GL_TRUE;
    }
-   glutInit( &argc, argv );
-   glutInitWindowPosition( 0, 0 );
-   glutInitWindowSize( 750, 250 );
    if (ciMode)
       glutInitDisplayMode( GLUT_INDEX | GLUT_DOUBLE );
    else
diff --git a/progs/demos/renormal.c b/progs/demos/renormal.c
index 9e5da95484..61dd860ddb 100644
--- a/progs/demos/renormal.c
+++ b/progs/demos/renormal.c
@@ -112,12 +112,9 @@ key(unsigned char k, int x, int y)
 
 int main( int argc, char *argv[] )
 {
-   glutInit( &argc, argv );
-   glutInitWindowPosition(0, 0);
    glutInitWindowSize( 400, 400 );
-
+   glutInit( &argc, argv );
    glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
-
    glutCreateWindow(argv[0]);
 
    Init();
diff --git a/progs/demos/shadowtex.c b/progs/demos/shadowtex.c
index dc5a4bbc48..036f73d40b 100644
--- a/progs/demos/shadowtex.c
+++ b/progs/demos/shadowtex.c
@@ -1022,9 +1022,8 @@ PrintHelp(void)
 int
 main(int argc, char *argv[])
 {
-   glutInit(&argc, argv);
-   glutInitWindowPosition(0, 0);
    glutInitWindowSize(WindowWidth, WindowHeight);
+   glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH | GLUT_STENCIL);
    glutCreateWindow(argv[0]);
    glewInit();
diff --git a/progs/demos/spectex.c b/progs/demos/spectex.c
index 6ab1191579..c1dada9d63 100644
--- a/progs/demos/spectex.c
+++ b/progs/demos/spectex.c
@@ -239,13 +239,9 @@ static void ModeMenu(int entry)
 
 int main( int argc, char *argv[] )
 {
-
-   glutInit( &argc, argv );
-   glutInitWindowPosition( 0, 0 );
    glutInitWindowSize( 300, 300 );
-
+   glutInit( &argc, argv );
    glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
-
    glutCreateWindow( "spectex" );
 
    Init();
diff --git a/progs/demos/spriteblast.c b/progs/demos/spriteblast.c
index d73b680b79..36e226e1d0 100644
--- a/progs/demos/spriteblast.c
+++ b/progs/demos/spriteblast.c
@@ -493,6 +493,8 @@ int
 main(int argc, char **argv)
 {
   int i;
+
+  glutInitWindowSize(600,300);
   glutInit(&argc, argv);
   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH | GLUT_MULTISAMPLE);
 
@@ -506,8 +508,6 @@ main(int argc, char **argv)
       linearFiltering = 0;
     }
   }
-  glutInitWindowPosition(0, 0);
-  glutInitWindowSize(600,300);
   glutCreateWindow("sprite blast");
   glewInit();
   glutReshapeFunc(reshape);
diff --git a/progs/demos/teapot.c b/progs/demos/teapot.c
index 6bf6e06409..04a675f36e 100644
--- a/progs/demos/teapot.c
+++ b/progs/demos/teapot.c
@@ -638,7 +638,6 @@ int main(int ac, char **av)
     }
     */
 
-  glutInitWindowPosition(0,0);
   glutInitWindowSize(WIDTH,HEIGHT);
   glutInit(&ac,av);
 
diff --git a/progs/demos/terrain.c b/progs/demos/terrain.c
index be78ea4950..a72c8d3cae 100644
--- a/progs/demos/terrain.c
+++ b/progs/demos/terrain.c
@@ -8,6 +8,7 @@
  * based on a Mikael SkiZoWalker's (MoDEL) / France (Skizo@Hol.Fr) demo
  */
 
+#include <assert.h>
 #include <stdio.h>
 #include <math.h>
 #include <stdlib.h>
@@ -559,12 +560,14 @@ loadpic(void)
    FILE *FilePic;
    int i, tmp;
    GLenum gluerr;
+   size_t result;
 
    if ((FilePic = fopen("terrain.dat", "r")) == NULL) {
       fprintf(stderr, "Error loading terrain.dat\n");
       exit(-1);
    }
-   fread(bufferter, 256 * 256, 1, FilePic);
+   result = fread(bufferter, 256 * 256, 1, FilePic);
+   assert(result == 1);
    fclose(FilePic);
 
    for (i = 0; i < (256 * 256); i++) {
@@ -623,7 +626,6 @@ init(void)
 int
 main(int ac, char **av)
 {
-   glutInitWindowPosition(0, 0);
    glutInitWindowSize(WIDTH, HEIGHT);
    glutInit(&ac, av);
 
diff --git a/progs/demos/tessdemo.c b/progs/demos/tessdemo.c
index f71cea1274..8b988e36c1 100644
--- a/progs/demos/tessdemo.c
+++ b/progs/demos/tessdemo.c
@@ -503,10 +503,9 @@ int main( int argc, char **argv )
 
    usage();
 
+   glutInitWindowSize( 400, 400 );
    glutInit( &argc, argv );
    glutInitDisplayMode( GLUT_SINGLE | GLUT_RGB );
-   glutInitWindowPosition(0, 0);
-   glutInitWindowSize( 400, 400 );
    glutCreateWindow( argv[0] );
 
    /* GH: Bit of a hack...
diff --git a/progs/demos/texcyl.c b/progs/demos/texcyl.c
index 0e6089bced..4df97ec4f5 100644
--- a/progs/demos/texcyl.c
+++ b/progs/demos/texcyl.c
@@ -261,10 +261,8 @@ static void Init( int argc, char *argv[] )
 
 int main( int argc, char *argv[] )
 {
-   glutInit( &argc, argv );
    glutInitWindowSize( 400, 400 );
-   glutInitWindowPosition( 0, 0 );
-
+   glutInit( &argc, argv );
    glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
 
    Win = glutCreateWindow(argv[0] );
diff --git a/progs/demos/texenv.c b/progs/demos/texenv.c
index c5a8b13f35..260ca8718f 100644
--- a/progs/demos/texenv.c
+++ b/progs/demos/texenv.c
@@ -765,6 +765,7 @@ int main( int argc, char *argv[] )
    GLboolean info = GL_FALSE;
    int i;
 
+   glutInitWindowSize( winWidth, winHeight );
    glutInit( &argc, argv );
 
    for ( i = 1 ; i < argc ; i++ ) {
@@ -786,8 +787,6 @@ int main( int argc, char *argv[] )
       glutInitDisplayMode( GLUT_RGB | GLUT_SINGLE );
    }
 
-   glutInitWindowSize( winWidth, winHeight );
-   glutInitWindowPosition( 0, 0 );
    Win = glutCreateWindow( "Texture Environment Test" );
 
    initialize();
diff --git a/progs/demos/textures.c b/progs/demos/textures.c
index b7bf135d21..1415ef1c43 100644
--- a/progs/demos/textures.c
+++ b/progs/demos/textures.c
@@ -57,7 +57,7 @@ Idle(void)
 {
    Xrot = glutGet(GLUT_ELAPSED_TIME) * 0.02;
    Yrot = glutGet(GLUT_ELAPSED_TIME) * 0.04;
-   //Zrot += 2.0;
+   /* Zrot += 2.0; */
    glutPostRedisplay();
 }
 
@@ -356,9 +356,8 @@ Usage(void)
 int
 main(int argc, char *argv[])
 {
-   glutInit(&argc, argv);
-   glutInitWindowPosition(0, 0);
    glutInitWindowSize(700, 700);
+   glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
    Win = glutCreateWindow(argv[0]);
    glutReshapeFunc(Reshape);
diff --git a/progs/demos/trispd.c b/progs/demos/trispd.c
index 165d088e3d..c07c340947 100644
--- a/progs/demos/trispd.c
+++ b/progs/demos/trispd.c
@@ -227,15 +227,12 @@ static void Help( const char *program )
 
 int main( int argc, char *argv[] )
 {
-   printf("For options:  %s -help\n", argv[0]);
-   glutInit( &argc, argv );
    glutInitWindowSize( (int) Width, (int) Height );
-   glutInitWindowPosition( 0, 0 );
-
+   glutInit( &argc, argv );
    glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
-
    glutCreateWindow( argv[0] );
 
+   printf("For options:  %s -help\n", argv[0]);
    if (argc==2 && strcmp(argv[1],"-help")==0) {
       Help(argv[0]);
       return 0;
diff --git a/progs/demos/tunnel.c b/progs/demos/tunnel.c
index 6981da3298..efc007c79a 100644
--- a/progs/demos/tunnel.c
+++ b/progs/demos/tunnel.c
@@ -491,7 +491,6 @@ main(int ac, char **av)
    fprintf(stderr,
 	   "Tunnel V1.5\nWritten by David Bucciarelli (tech.hmw@plus.it)\n");
 
-   glutInitWindowPosition(0, 0);
    glutInitWindowSize(WIDTH, HEIGHT);
    glutInit(&ac, av);
 
diff --git a/progs/demos/tunnel2.c b/progs/demos/tunnel2.c
index 0288ea0f8c..f15da95b18 100644
--- a/progs/demos/tunnel2.c
+++ b/progs/demos/tunnel2.c
@@ -559,7 +559,6 @@ main(int ac, char **av)
    fprintf(stderr,
 	   "Tunnel2 V1.0\nWritten by David Bucciarelli (tech.hmw@plus.it)\n");
 
-   glutInitWindowPosition(0, 0);
    glutInitWindowSize(WIDTHC0, HEIGHTC0);
    glutInit(&ac, av);
 
diff --git a/progs/demos/vao_demo.c b/progs/demos/vao_demo.c
index 206e06fc6c..5ce07ecc63 100644
--- a/progs/demos/vao_demo.c
+++ b/progs/demos/vao_demo.c
@@ -317,9 +317,8 @@ static void Init( void )
 
 int main( int argc, char *argv[] )
 {
-   glutInit( &argc, argv );
-   glutInitWindowPosition( 0, 0 );
    glutInitWindowSize( Width, Height );
+   glutInit( &argc, argv );
    glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
    Win = glutCreateWindow( "GL_APPLE_vertex_array_object demo" );
    glutReshapeFunc( Reshape );
diff --git a/progs/demos/winpos.c b/progs/demos/winpos.c
index 13a9c7e9a8..f935f9bee0 100644
--- a/progs/demos/winpos.c
+++ b/progs/demos/winpos.c
@@ -96,9 +96,8 @@ static void init( void )
 
 int main( int argc, char *argv[] )
 {
-   glutInit(&argc, argv);
-   glutInitWindowPosition(0, 0);
    glutInitWindowSize(500, 500);
+   glutInit(&argc, argv);
    glutInitDisplayMode( GLUT_RGB );
 
    if (glutCreateWindow("winpos") <= 0) {
diff --git a/progs/egl/demo1.c b/progs/egl/demo1.c
index 34a516e72f..d892734ee5 100644
--- a/progs/egl/demo1.c
+++ b/progs/egl/demo1.c
@@ -114,6 +114,7 @@ main(int argc, char *argv[])
 
    PrintConfigs(d, configs, numConfigs);
 
+   eglBindAPI(EGL_OPENGL_API);
    ctx = eglCreateContext(d, configs[0], EGL_NO_CONTEXT, NULL);
    if (ctx == EGL_NO_CONTEXT) {
       printf("failed to create context\n");
diff --git a/progs/egl/demo2.c b/progs/egl/demo2.c
index 3994656721..b9e92f62ac 100644
--- a/progs/egl/demo2.c
+++ b/progs/egl/demo2.c
@@ -111,11 +111,7 @@ main(int argc, char *argv[])
       EGL_HEIGHT, 500,
       EGL_NONE
    };
-   const EGLint screenAttribs[] = {
-      EGL_WIDTH, 1024,
-      EGL_HEIGHT, 768,
-      EGL_NONE
-   };
+   EGLint screenAttribs[32];
    EGLModeMESA mode;
    EGLScreenMESA screen;
    EGLint count;
@@ -149,6 +145,7 @@ main(int argc, char *argv[])
    eglGetScreensMESA(d, &screen, 1, &count);
    eglGetModesMESA(d, screen, &mode, 1, &count);
 
+   eglBindAPI(EGL_OPENGL_API);
    ctx = eglCreateContext(d, configs[0], EGL_NO_CONTEXT, NULL);
    if (ctx == EGL_NO_CONTEXT) {
       printf("failed to create context\n");
@@ -169,6 +166,13 @@ main(int argc, char *argv[])
 
    b = eglMakeCurrent(d, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
 
+   i = 0;
+   screenAttribs[i++] = EGL_WIDTH;
+   eglGetModeAttribMESA(d, mode, EGL_WIDTH, &screenAttribs[i++]);
+   screenAttribs[i++] = EGL_HEIGHT;
+   eglGetModeAttribMESA(d, mode, EGL_HEIGHT, &screenAttribs[i++]);
+   screenAttribs[i] = EGL_NONE;
+
    screen_surf = eglCreateScreenSurfaceMESA(d, configs[0], screenAttribs);
    if (screen_surf == EGL_NO_SURFACE) {
       printf("failed to create screen surface\n");
diff --git a/progs/egl/demo3.c b/progs/egl/demo3.c
index 0665fd0516..64b9ee652c 100644
--- a/progs/egl/demo3.c
+++ b/progs/egl/demo3.c
@@ -564,11 +564,8 @@ main(int argc, char *argv[])
    EGLint numConfigs, count;
    EGLBoolean b;
    const GLubyte *bitmap;
-   const EGLint screenAttribs[] = {
-      EGL_WIDTH, 1024,
-      EGL_HEIGHT, 768,
-      EGL_NONE
-   };
+   EGLint screenAttribs[32];
+   EGLint i;
 
    EGLDisplay d = eglGetDisplay(EGL_DEFAULT_DISPLAY);
    assert(d);
@@ -590,12 +587,20 @@ main(int argc, char *argv[])
    eglGetScreensMESA(d, &screen, 1, &count);
    eglGetModesMESA(d, screen, &mode, 1, &count);
 
+   eglBindAPI(EGL_OPENGL_API);
    ctx = eglCreateContext(d, configs[0], EGL_NO_CONTEXT, NULL);
    if (ctx == EGL_NO_CONTEXT) {
       printf("failed to create context\n");
       return 0;
    }
 
+   i = 0;
+   screenAttribs[i++] = EGL_WIDTH;
+   eglGetModeAttribMESA(d, mode, EGL_WIDTH, &screenAttribs[i++]);
+   screenAttribs[i++] = EGL_HEIGHT;
+   eglGetModeAttribMESA(d, mode, EGL_HEIGHT, &screenAttribs[i++]);
+   screenAttribs[i] = EGL_NONE;
+
    screen_surf = eglCreateScreenSurfaceMESA(d, configs[0], screenAttribs);
    if (screen_surf == EGL_NO_SURFACE) {
       printf("failed to create screen surface\n");
diff --git a/progs/egl/eglgears.c b/progs/egl/eglgears.c
index 052d0f9e25..63490953ae 100644
--- a/progs/egl/eglgears.c
+++ b/progs/egl/eglgears.c
@@ -374,7 +374,8 @@ main(int argc, char *argv[])
 	EGLint screenAttribs[10];
 	EGLModeMESA mode[MAX_MODES];
 	EGLScreenMESA screen;
-	EGLint count, chosenMode;
+	EGLint count;
+	EGLint chosenMode = 0;
 	GLboolean printInfo = GL_FALSE;
 	EGLint width = 0, height = 0;
 	
@@ -425,6 +426,7 @@ main(int argc, char *argv[])
 	}
 	printf("eglgears: Using screen mode/size %d: %d x %d\n", chosenMode, width, height);
 
+	eglBindAPI(EGL_OPENGL_API);
 	ctx = eglCreateContext(d, configs[0], EGL_NO_CONTEXT, NULL);
 	if (ctx == EGL_NO_CONTEXT) {
 		printf("eglgears: failed to create context\n");
diff --git a/progs/egl/eglscreen.c b/progs/egl/eglscreen.c
index 47b3ce3366..520f76ea03 100644
--- a/progs/egl/eglscreen.c
+++ b/progs/egl/eglscreen.c
@@ -52,7 +52,8 @@ main(int argc, char *argv[])
 	EGLint screenAttribs[10];
 	EGLModeMESA mode[MAX_MODES];
 	EGLScreenMESA screen;
-	EGLint count, chosenMode;
+	EGLint count;
+	EGLint chosenMode = 0;
 	EGLint width = 0, height = 0;
 
 	d = eglGetDisplay(EGL_DEFAULT_DISPLAY);
diff --git a/progs/egl/egltri.c b/progs/egl/egltri.c
index 9bbc3cddaf..006e06eb03 100644
--- a/progs/egl/egltri.c
+++ b/progs/egl/egltri.c
@@ -208,6 +208,7 @@ int main(int argc, char *argv[])
 	}
 	printf("egltri: Using screen mode/size %d: %d x %d\n", chosenMode, width, height);
 
+	eglBindAPI(EGL_OPENGL_API);
 	ctx = eglCreateContext(d, configs[0], EGL_NO_CONTEXT, NULL);
 	if (ctx == EGL_NO_CONTEXT) {
 		printf("egltri: failed to create context\n");
diff --git a/progs/egl/xegl_tri.c b/progs/egl/xegl_tri.c
index 65f352ddfa..1f1a005a21 100644
--- a/progs/egl/xegl_tri.c
+++ b/progs/egl/xegl_tri.c
@@ -120,6 +120,7 @@ make_x_window(Display *x_dpy, EGLDisplay egl_dpy,
       EGL_GREEN_SIZE, 1,
       EGL_BLUE_SIZE, 1,
       EGL_DEPTH_SIZE, 1,
+      EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT,
       EGL_NONE
    };
 
@@ -138,7 +139,8 @@ make_x_window(Display *x_dpy, EGLDisplay egl_dpy,
    scrnum = DefaultScreen( x_dpy );
    root = RootWindow( x_dpy, scrnum );
 
-   if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs)) {
+   if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs) ||
+       !num_configs) {
       printf("Error: couldn't get an EGL visual config\n");
       exit(1);
    }
diff --git a/progs/egl/xeglbindtex.c b/progs/egl/xeglbindtex.c
index fdd9fe2b87..de0ede92ca 100644
--- a/progs/egl/xeglbindtex.c
+++ b/progs/egl/xeglbindtex.c
@@ -53,6 +53,7 @@ make_pbuffer(int width, int height)
       EGL_GREEN_SIZE, 8,
       EGL_BLUE_SIZE, 8,
       EGL_BIND_TO_TEXTURE_RGB, EGL_TRUE,
+      EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT,
       EGL_NONE
    };
    EGLint pbuf_attribs[] = {
@@ -65,7 +66,8 @@ make_pbuffer(int width, int height)
    EGLConfig config;
    EGLint num_configs;
 
-   if (!eglChooseConfig(dpy, config_attribs, &config, 1, &num_configs)) {
+   if (!eglChooseConfig(dpy, config_attribs, &config, 1, &num_configs) ||
+       !num_configs) {
       printf("Error: couldn't get an EGL visual config for pbuffer\n");
       exit(1);
    }
@@ -77,8 +79,6 @@ make_pbuffer(int width, int height)
       printf("failed to allocate pbuffer\n");
       exit(1);
    }
-
-   glGenTextures(1, &tex_pbuf);
 }
 
 static void
@@ -112,6 +112,8 @@ use_pbuffer(void)
       glTranslatef(0.0, 0.0, -5.0);
 
       glClearColor(0.2, 0.2, 0.2, 0.0);
+
+      glGenTextures(1, &tex_pbuf);
    }
 }
 
@@ -126,6 +128,7 @@ make_window(Display *x_dpy, const char *name,
       EGL_BLUE_SIZE, 8,
       EGL_ALPHA_SIZE, 8,
       EGL_DEPTH_SIZE, 8,
+      EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT,
       EGL_NONE
    };
 
@@ -142,7 +145,8 @@ make_window(Display *x_dpy, const char *name,
    scrnum = DefaultScreen( x_dpy );
    root = RootWindow( x_dpy, scrnum );
 
-   if (!eglChooseConfig(dpy, attribs, &config, 1, &num_configs)) {
+   if (!eglChooseConfig(dpy, attribs, &config, 1, &num_configs) ||
+       !num_configs) {
       printf("Error: couldn't get an EGL visual config\n");
       exit(1);
    }
diff --git a/progs/egl/xeglthreads.c b/progs/egl/xeglthreads.c
index 508dbc0943..5787faecb9 100644
--- a/progs/egl/xeglthreads.c
+++ b/progs/egl/xeglthreads.c
@@ -467,6 +467,7 @@ create_window(struct winthread *wt, EGLContext shareCtx)
                         EGL_GREEN_SIZE, 1,
                         EGL_BLUE_SIZE, 1,
                         EGL_DEPTH_SIZE, 1,
+                        EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT,
                         EGL_NONE };
    EGLConfig config;
    EGLint num_configs;
@@ -484,7 +485,8 @@ create_window(struct winthread *wt, EGLContext shareCtx)
    scrnum = DefaultScreen(wt->Dpy);
    root = RootWindow(wt->Dpy, scrnum);
 
-   if (!eglChooseConfig(wt->Display, attribs, &config, 1, &num_configs)) {
+   if (!eglChooseConfig(wt->Display, attribs, &config, 1, &num_configs) ||
+       !num_configs) {
       Error("Unable to choose an EGL config");
    }
 
diff --git a/progs/fp/SConscript b/progs/fp/SConscript
index a78318542c..e209161f32 100644
--- a/progs/fp/SConscript
+++ b/progs/fp/SConscript
@@ -1,15 +1,4 @@
-Import('env')
-
-if not env['GLUT']:
-    Return()
-
-env = env.Clone()
-
-env.Prepend(CPPPATH = [
-	'../util',
-])
-
-env.Prepend(LIBS = ['$GLUT_LIB'])
+Import('*')
 
 progs = [
     'fp-tri',
@@ -17,14 +6,13 @@ progs = [
     'tri-depth2',
     'tri-depthwrite',
     'tri-depthwrite2',
-    'tri-inv',
     'tri-param',
     'tri-tex',
     'point-position',
 ]
 
 for prog in progs:
-    env.Program(
+    progs_env.Program(
         target = prog,
         source = [prog + '.c'],
     )
diff --git a/progs/fp/fp-tri.c b/progs/fp/fp-tri.c
index 52a8fcfc22..70676d4c40 100644
--- a/progs/fp/fp-tri.c
+++ b/progs/fp/fp-tri.c
@@ -73,7 +73,7 @@ static void Init( void )
    GLuint Texture;
    GLint errno;
    GLuint prognum;
-   char buf[4096];
+   char buf[50000];
    GLuint sz;
    FILE *f;
 
@@ -176,6 +176,17 @@ static void Init( void )
    }
 
 
+   {
+      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);
+   }
+
    glClearColor(.1, .3, .5, 0);
 }
 
@@ -197,7 +208,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/fp/mov-imm.txt b/progs/fp/mov-imm.txt
new file mode 100644
index 0000000000..38e48079d0
--- /dev/null
+++ b/progs/fp/mov-imm.txt
@@ -0,0 +1,3 @@
+!!ARBfp1.0
+MOV result.color, {0.5, 0.8, 0.3, 1.0};
+END
diff --git a/progs/fp/mov-param.txt b/progs/fp/mov-param.txt
new file mode 100644
index 0000000000..13d82fe00b
--- /dev/null
+++ b/progs/fp/mov-param.txt
@@ -0,0 +1,4 @@
+!!ARBfp1.0
+PARAM Diffuse = state.material.diffuse; 
+MOV result.color, Diffuse;
+END
diff --git a/progs/fp/point-position.c b/progs/fp/point-position.c
index c0963d7a0b..1ae753c1d0 100644
--- a/progs/fp/point-position.c
+++ b/progs/fp/point-position.c
@@ -55,7 +55,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/fp/tri-depth.c b/progs/fp/tri-depth.c
index 5488469e80..a9f3a6a5be 100644
--- a/progs/fp/tri-depth.c
+++ b/progs/fp/tri-depth.c
@@ -57,7 +57,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/fp/tri-depth2.c b/progs/fp/tri-depth2.c
index 6ed2307115..8c4336817b 100644
--- a/progs/fp/tri-depth2.c
+++ b/progs/fp/tri-depth2.c
@@ -59,7 +59,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/fp/tri-depthwrite.c b/progs/fp/tri-depthwrite.c
index 8e4f3e6245..7b9d70f292 100644
--- a/progs/fp/tri-depthwrite.c
+++ b/progs/fp/tri-depthwrite.c
@@ -55,7 +55,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/fp/tri-depthwrite2.c b/progs/fp/tri-depthwrite2.c
index 3c0b4d30c9..599949551d 100644
--- a/progs/fp/tri-depthwrite2.c
+++ b/progs/fp/tri-depthwrite2.c
@@ -55,7 +55,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/fp/tri-inv.c b/progs/fp/tri-inv.c
deleted file mode 100644
index 7e8d8c5ce2..0000000000
--- a/progs/fp/tri-inv.c
+++ /dev/null
@@ -1,111 +0,0 @@
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <GL/glew.h>
-#include <GL/glut.h>
-
-
-
-static void Init( void )
-{
-   static const char *modulate2D =
-      "!!ARBfp1.0\n"
-      "TEMP R0;\n"
-      "INV result.color, fragment.color; \n"
-      "END"
-      ;
-   GLuint modulateProg;
-
-   if (!GLEW_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);
-    }
-
-    glewInit();
-
-    Init();
-
-    glutReshapeFunc(Reshape);
-    glutKeyboardFunc(Key);
-    glutDisplayFunc(Draw);
-    glutMainLoop();
-	return 0;
-}
diff --git a/progs/fp/tri-param.c b/progs/fp/tri-param.c
index 57443d71bd..26a804d4b3 100644
--- a/progs/fp/tri-param.c
+++ b/progs/fp/tri-param.c
@@ -54,7 +54,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/fp/tri-tex.c b/progs/fp/tri-tex.c
index 1dbbb201ce..64299e9453 100644
--- a/progs/fp/tri-tex.c
+++ b/progs/fp/tri-tex.c
@@ -76,7 +76,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/glsl/CH11-bumpmaptex.frag b/progs/glsl/CH11-bumpmaptex.frag
new file mode 100644
index 0000000000..b1f93b784d
--- /dev/null
+++ b/progs/glsl/CH11-bumpmaptex.frag
@@ -0,0 +1,47 @@
+//
+// Fragment shader for procedural bumps
+//
+// Authors: John Kessenich, Randi Rost
+//
+// Copyright (c) 2002-2006 3Dlabs Inc. Ltd. 
+//
+// See 3Dlabs-License.txt for license information
+//
+// Texture mapping/modulation added by Brian Paul
+//
+
+varying vec3 LightDir;
+varying vec3 EyeDir;
+
+uniform float BumpDensity;     // = 16.0
+uniform float BumpSize;        // = 0.15
+uniform float SpecularFactor;  // = 0.5
+
+sampler2D Tex;
+
+void main()
+{
+    vec3 ambient = vec3(0.25);
+    vec3 litColor;
+    vec2 c = BumpDensity * gl_TexCoord[0].st;
+    vec2 p = fract(c) - vec2(0.5);
+
+    float d, f;
+    d = p.x * p.x + p.y * p.y;
+    f = inversesqrt(d + 1.0);
+
+    if (d >= BumpSize)
+        { p = vec2(0.0); f = 1.0; }
+
+    vec3 SurfaceColor = texture2D(Tex, gl_TexCoord[0].st).xyz;
+
+    vec3 normDelta = vec3(p.x, p.y, 1.0) * f;
+    litColor = SurfaceColor * (ambient + max(dot(normDelta, LightDir), 0.0));
+    vec3 reflectDir = reflect(LightDir, normDelta);
+    
+    float spec = max(dot(EyeDir, reflectDir), 0.0);
+    spec *= SpecularFactor;
+    litColor = min(litColor + spec, vec3(1.0));
+
+    gl_FragColor = vec4(litColor, 1.0);
+}
diff --git a/progs/glsl/CH18-mandel.frag b/progs/glsl/CH18-mandel.frag
index a472d81252..a972d68bcf 100644
--- a/progs/glsl/CH18-mandel.frag
+++ b/progs/glsl/CH18-mandel.frag
@@ -31,7 +31,7 @@ void main()
     float iter;
 
 //    for (iter = 0.0; iter < MaxIterations && r2 < 4.0; ++iter)
-    for (iter = 0.0; iter < 12 && r2 < 4.0; ++iter)
+    for (iter = 0.0; iter < 12.0 && r2 < 4.0; ++iter)
     {
         float tempreal = real;
 
diff --git a/progs/glsl/SConscript b/progs/glsl/SConscript
index 7a4549cd70..8f2ebcf69c 100644
--- a/progs/glsl/SConscript
+++ b/progs/glsl/SConscript
@@ -1,23 +1,5 @@
 Import('*')
 
-if not env['GLUT']:
-    Return()
-
-env = env.Clone()
-
-env.Prepend(CPPPATH = [
-	'../util',
-])
-
-env.Prepend(LIBS = [
-	util,
-	'$GLUT_LIB'
-])
-
-if env['platform'] == 'windows':
-    env.Append(CPPDEFINES = ['NOMINMAX'])
-    env.Prepend(LIBS = ['winmm'])
-
 progs = [
       'array',
       'bitmap',
@@ -48,7 +30,7 @@ progs = [
 ]
 
 for prog in progs:
-    env.Program(
+    progs_env.Program(
         target = prog,
         source = prog + '.c',
     )
diff --git a/progs/glsl/bump.c b/progs/glsl/bump.c
index 87669aec73..e31afab939 100644
--- a/progs/glsl/bump.c
+++ b/progs/glsl/bump.c
@@ -12,15 +12,20 @@
 #include <GL/glew.h>
 #include <GL/glut.h>
 #include "shaderutil.h"
+#include "readtex.h"
 
 
 static char *FragProgFile = "CH11-bumpmap.frag";
+static char *FragTexProgFile = "CH11-bumpmaptex.frag";
 static char *VertProgFile = "CH11-bumpmap.vert";
+static char *TextureFile = "../images/tile.rgb";
 
 /* program/shader objects */
 static GLuint fragShader;
+static GLuint fragTexShader;
 static GLuint vertShader;
 static GLuint program;
+static GLuint texProgram;
 
 
 static struct uniform_info Uniforms[] = {
@@ -32,13 +37,26 @@ static struct uniform_info Uniforms[] = {
    END_OF_UNIFORMS
 };
 
+static struct uniform_info TexUniforms[] = {
+   { "LightPosition",  1, GL_FLOAT_VEC3, { 0.57737, 0.57735, 0.57735, 0.0 }, -1 },
+   { "Tex",            1, GL_INT,   { 0, 0, 0, 0 }, -1 },
+   { "BumpDensity",    1, GL_FLOAT, { 10.0, 0, 0, 0 }, -1 },
+   { "BumpSize",       1, GL_FLOAT, { 0.125, 0, 0, 0 }, -1 },
+   { "SpecularFactor", 1, GL_FLOAT, { 0.5, 0, 0, 0 }, -1 },
+   END_OF_UNIFORMS
+};
+
 static GLint win = 0;
 
 static GLfloat xRot = 20.0f, yRot = 0.0f, zRot = 0.0f;
 
-static GLuint tangentAttrib;
+static GLint tangentAttrib;
+static GLint tangentAttribTex;
+
+static GLuint Texture;
 
 static GLboolean Anim = GL_FALSE;
+static GLboolean Textured = GL_FALSE;
 
 
 static void
@@ -135,6 +153,11 @@ Redisplay(void)
    glRotatef(yRot, 0.0f, 1.0f, 0.0f);
    glRotatef(zRot, 0.0f, 0.0f, 1.0f);
 
+   if (Textured)
+      glUseProgram(texProgram);
+   else
+      glUseProgram(program);
+
    Cube(1.5);
 
    glPopMatrix();
@@ -163,8 +186,10 @@ static void
 CleanUp(void)
 {
    glDeleteShader(fragShader);
+   glDeleteShader(fragTexShader);
    glDeleteShader(vertShader);
    glDeleteProgram(program);
+   glDeleteProgram(texProgram);
    glutDestroyWindow(win);
 }
 
@@ -181,6 +206,9 @@ Key(unsigned char key, int x, int y)
       Anim = !Anim;
       glutIdleFunc(Anim ? Idle : NULL);
       break;
+   case 't':
+      Textured = !Textured;
+      break;
    case 'z':
       zRot += step;
       break;
@@ -254,6 +282,26 @@ Init(void)
 
    CheckError(__LINE__);
 
+
+   /*
+    * As above, but fragment shader also uses a texture map.
+    */
+   fragTexShader = CompileShaderFile(GL_FRAGMENT_SHADER, FragTexProgFile);
+   texProgram = LinkShaders(vertShader, fragTexShader);
+   glUseProgram(texProgram);
+   assert(glIsProgram(texProgram));
+   assert(glIsShader(fragTexShader));
+   SetUniformValues(texProgram, TexUniforms);
+   PrintUniforms(TexUniforms);
+
+   /*
+    * Load tex image.
+    */
+   glGenTextures(1, &Texture);
+   glBindTexture(GL_TEXTURE_2D, Texture);
+   LoadRGBMipmaps(TextureFile, GL_RGB);
+
+
    glClearColor(0.4f, 0.4f, 0.8f, 0.0f);
 
    glEnable(GL_DEPTH_TEST);
@@ -268,10 +316,13 @@ ParseOptions(int argc, char *argv[])
    int i;
    for (i = 1; i < argc; i++) {
       if (strcmp(argv[i], "-fs") == 0) {
-         FragProgFile = argv[i+1];
+         FragProgFile = argv[++i];
       }
       else if (strcmp(argv[i], "-vs") == 0) {
-         VertProgFile = argv[i+1];
+         VertProgFile = argv[++i];
+      }
+      else if (strcmp(argv[i], "-t") == 0) {
+         TextureFile = argv[++i];
       }
    }
 }
diff --git a/progs/glsl/convolutions.c b/progs/glsl/convolutions.c
index c2fb76e1aa..350e61bbdc 100644
--- a/progs/glsl/convolutions.c
+++ b/progs/glsl/convolutions.c
@@ -369,7 +369,7 @@ static void keyPress(unsigned char key, int x, int y)
    case 27:
       exit(0);
    default:
-      return;
+      break;
    }
    glutPostRedisplay();
 }
diff --git a/progs/glsl/deriv.c b/progs/glsl/deriv.c
index 265a515715..588246b71a 100644
--- a/progs/glsl/deriv.c
+++ b/progs/glsl/deriv.c
@@ -27,11 +27,15 @@ static GLuint SphereList, RectList, CurList;
 static GLint win = 0;
 static GLboolean anim = GL_TRUE;
 static GLfloat xRot = 0.0f, yRot = 0.0f;
+static GLint WinSize[2];
+static GLint WinSizeUniform = -1;
 
 
 static void
 Redisplay(void)
 {
+   glUniform2iv(WinSizeUniform, 1, WinSize);
+
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
    glPushMatrix();
@@ -55,6 +59,8 @@ Idle(void)
 static void
 Reshape(int width, int height)
 {
+   WinSize[0] = width;
+   WinSize[1] = height;
    glViewport(0, 0, width, height);
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
@@ -140,6 +146,7 @@ MakeSphere(void)
    glNewList(SphereList, GL_COMPILE);
    gluSphere(obj, 2.0f, 30, 15);
    glEndList();
+   gluDeleteQuadric(obj);
 }
 
 
@@ -162,8 +169,10 @@ static void
 Init(void)
 {
    static const char *fragShaderText =
+      "uniform ivec2 WinSize; \n"
       "void main() {\n"
-      "   gl_FragColor = abs(dFdy(gl_TexCoord[0])) * 50.0;\n"
+      "   vec2 d = dFdy(gl_TexCoord[0].xy) * vec2(WinSize); \n"
+      "   gl_FragColor =  vec4(d.x, d.y, 0.0, 1.0);\n"
       "  // gl_FragColor = gl_TexCoord[0];\n"
       "}\n";
    static const char *vertShaderText =
@@ -180,6 +189,7 @@ Init(void)
    program = LinkShaders(vertShader, fragShader);
 
    glUseProgram(program);
+   WinSizeUniform = glGetUniformLocation(program, "WinSize");
 
    /*assert(glGetError() == 0);*/
 
@@ -219,8 +229,10 @@ ParseOptions(int argc, char *argv[])
 int
 main(int argc, char *argv[])
 {
+   WinSize[0] = WinSize[1] = 200;
+
    glutInit(&argc, argv);
-   glutInitWindowSize(200, 200);
+   glutInitWindowSize(WinSize[0], WinSize[1]);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
    win = glutCreateWindow(argv[0]);
    glewInit();
diff --git a/progs/glsl/multinoise.c b/progs/glsl/multinoise.c
index 0d4026e29c..d504ba1cc4 100644
--- a/progs/glsl/multinoise.c
+++ b/progs/glsl/multinoise.c
@@ -22,22 +22,22 @@ static const char *FragShaderText[ 4 ] = {
    "void main()\n"
    "{\n"
    "   gl_FragColor.rgb = noise3( gl_TexCoord[ 0 ].w ) * 0.5 + 0.5;\n"
-   "   gl_FragColor.a = 1;\n"
+   "   gl_FragColor.a = 1.0;\n"
    "}\n",
    "void main()\n"
    "{\n"
    "   gl_FragColor.rgb = noise3( gl_TexCoord[ 0 ].xw ) * 0.5 + 0.5;\n"
-   "   gl_FragColor.a = 1;\n"
+   "   gl_FragColor.a = 1.0;\n"
    "}\n",
    "void main()\n"
    "{\n"
    "   gl_FragColor.rgb = noise3( gl_TexCoord[ 0 ].xyw ) * 0.5 + 0.5;\n"
-   "   gl_FragColor.a = 1;\n"
+   "   gl_FragColor.a = 1.0;\n"
    "}\n",
    "void main()\n"
    "{\n"
    "   gl_FragColor.rgb = noise3( gl_TexCoord[ 0 ].xyzw ) * 0.5 + 0.5;\n"
-   "   gl_FragColor.a = 1;\n"
+   "   gl_FragColor.a = 1.0;\n"
    "}\n"
 };
     
@@ -125,6 +125,7 @@ Key(unsigned char key, int x, int y)
    case 'a':
       Anim = !Anim;
       glutIdleFunc(Anim ? Idle : NULL);
+      break;
    case 's':
       Slice -= step;
       break;
@@ -193,7 +194,7 @@ LoadAndCompileShader(GLuint shader, const char *text)
       GLchar log[1000];
       GLsizei len;
       glGetShaderInfoLog(shader, 1000, &len, log);
-      fprintf(stderr, "noise: problem compiling shader: %s\n", log);
+      fprintf(stderr, "multinoise: problem compiling shader: %s\n", log);
       exit(1);
    }
    else {
diff --git a/progs/glsl/multitex.c b/progs/glsl/multitex.c
index bf46fd5210..49b32253ee 100644
--- a/progs/glsl/multitex.c
+++ b/progs/glsl/multitex.c
@@ -369,12 +369,9 @@ InitPrograms(void)
 static void
 InitGL(void)
 {
-   const char *version = (const char *) glGetString(GL_VERSION);
+   if (!ShadersSupported())
+      exit(1);
 
-   if (version[0] != '2' || version[1] != '.') {
-      printf("Warning: this program expects OpenGL 2.0\n");
-      /*exit(1);*/
-   }
    printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
    printf("Usage:\n");
    printf("  a     - toggle arrays vs. immediate mode rendering\n");
diff --git a/progs/glsl/noise.c b/progs/glsl/noise.c
index fdab263ea6..1148580ff4 100644
--- a/progs/glsl/noise.c
+++ b/progs/glsl/noise.c
@@ -28,7 +28,7 @@ static const char *FragShaderText =
    "   vec4 p;\n"
    "   p.xy = gl_TexCoord[0].xy;\n"
    "   p.z = Slice;\n"
-   "   p.w = 0;\n"
+   "   p.w = 0.0;\n"
    "   vec4 n = noise4(p * scale);\n"
    "   gl_FragColor = n * Scale + Bias;\n"
    "}\n";
@@ -119,6 +119,7 @@ Key(unsigned char key, int x, int y)
    case 'a':
       Anim = !Anim;
       glutIdleFunc(Anim ? Idle : NULL);
+      break;
    case 's':
       Slice -= step;
       break;
diff --git a/progs/glsl/shtest.c b/progs/glsl/shtest.c
index 628a7dd5b9..7b1917be1c 100644
--- a/progs/glsl/shtest.c
+++ b/progs/glsl/shtest.c
@@ -492,9 +492,8 @@ ReadConfigFile(const char *filename, struct config_file *conf)
    conf->num_uniforms = 0;
 
    /* ugly but functional parser */
-   while (!feof(f)) {
-      fgets(line, sizeof(line), f);
-      if (!feof(f) && line[0]) {
+   while (fgets(line, sizeof(line), f) != NULL) {
+      if (line[0]) {
          if (strncmp(line, "vs ", 3) == 0) {
             VertShaderFile = strdup(line + 3);
             VertShaderFile[strlen(VertShaderFile) - 1] = 0;
@@ -550,6 +549,10 @@ ReadConfigFile(const char *filename, struct config_file *conf)
 
             type = TypeFromName(typeName);
 
+            if (strlen(name) + 1 > sizeof(conf->uniforms[conf->num_uniforms].name)) {
+               fprintf(stderr, "string overflow\n");
+               exit(1);
+            }
             strcpy(conf->uniforms[conf->num_uniforms].name, name);
             conf->uniforms[conf->num_uniforms].value[0] = v1;
             conf->uniforms[conf->num_uniforms].value[1] = v2;
@@ -627,7 +630,7 @@ Init(void)
    NumAttribs = GetAttribs(Program, Attribs);
    PrintAttribs(Attribs);
 
-   //assert(glGetError() == 0);
+   /* assert(glGetError() == 0); */
 
    glClearColor(0.4f, 0.4f, 0.8f, 0.0f);
 
diff --git a/progs/glsl/texaaline.c b/progs/glsl/texaaline.c
index 2e4f932ad6..00edab7310 100644
--- a/progs/glsl/texaaline.c
+++ b/progs/glsl/texaaline.c
@@ -310,8 +310,8 @@ MakeMipmap(void)
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-   //glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LOD, 4);
-   ////glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 5);
+   /* glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LOD, 4); */
+   /* glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 5); */
 
    glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
 #undef SZ
diff --git a/progs/glsl/texdemo1.c b/progs/glsl/texdemo1.c
index 5b1913a722..2076e6aef9 100644
--- a/progs/glsl/texdemo1.c
+++ b/progs/glsl/texdemo1.c
@@ -400,11 +400,8 @@ InitPrograms(void)
 static void
 Init(GLboolean useImageFiles)
 {
-   const char *version = (const char *) glGetString(GL_VERSION);
-
-   if (version[0] != '2' || version[1] != '.') {
-      printf("Warning: this program expects OpenGL 2.0\n");
-      /*exit(1);*/
+   if (!ShadersSupported()) {
+      exit(1);
    }
    printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
 
diff --git a/progs/glsl/trirast.c b/progs/glsl/trirast.c
index 53bd91ef97..857342636d 100644
--- a/progs/glsl/trirast.c
+++ b/progs/glsl/trirast.c
@@ -179,9 +179,9 @@ Init(void)
       "\n"
       "void main() {\n"
       "   vec2 p = gl_FragCoord.xy; \n"
-      "   if (crs(v1 - v0, p - v0) >= 0 && \n"
-      "       crs(v2 - v1, p - v1) >= 0 && \n"
-      "       crs(v0 - v2, p - v2) >= 0) \n"
+      "   if (crs(v1 - v0, p - v0) >= 0.0 && \n"
+      "       crs(v2 - v1, p - v1) >= 0.0 && \n"
+      "       crs(v0 - v2, p - v2) >= 0.0) \n"
       "      gl_FragColor = vec4(1.0); \n"
       "   else \n"
       "      gl_FragColor = vec4(0.5); \n"
diff --git a/progs/glsl/vert-tex.c b/progs/glsl/vert-tex.c
index 4c8bfa587a..2b93c78888 100644
--- a/progs/glsl/vert-tex.c
+++ b/progs/glsl/vert-tex.c
@@ -40,15 +40,6 @@ static GLboolean Anim = GL_TRUE;
 static GLboolean WireFrame = GL_TRUE;
 static GLfloat xRot = -70.0f, yRot = 0.0f, zRot = 0.0f;
 
-
-/* value[0] = tex unit */
-static struct uniform_info Uniforms[] = {
-   { "tex1",  1, GL_SAMPLER_2D, { 0, 0, 0, 0 }, -1 },
-   END_OF_UNIFORMS
-};
-
-
-
 static void
 Idle(void)
 {
diff --git a/progs/objviewer/.gitignore b/progs/objviewer/.gitignore
new file mode 100644
index 0000000000..ff094f833e
--- /dev/null
+++ b/progs/objviewer/.gitignore
@@ -0,0 +1,8 @@
+extfuncs.h
+objview
+readtex.c
+readtex.h
+shaderutil.c
+shaderutil.h
+trackball.c
+trackball.h
diff --git a/progs/openvg/demos/eglcommon.c b/progs/openvg/demos/eglcommon.c
index bacd5685d7..0316e596c6 100644
--- a/progs/openvg/demos/eglcommon.c
+++ b/progs/openvg/demos/eglcommon.c
@@ -42,6 +42,7 @@ make_x_window(Display *x_dpy, EGLDisplay egl_dpy,
       EGL_RED_SIZE, 1,
       EGL_GREEN_SIZE, 1,
       EGL_BLUE_SIZE, 1,
+      EGL_RENDERABLE_TYPE, EGL_OPENVG_BIT,
       EGL_NONE
    };
 
@@ -60,13 +61,13 @@ make_x_window(Display *x_dpy, EGLDisplay egl_dpy,
    scrnum = DefaultScreen( x_dpy );
    root = RootWindow( x_dpy, scrnum );
 
-   if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs)) {
+   if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs) ||
+       !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");
diff --git a/progs/openvg/demos/lion.c b/progs/openvg/demos/lion.c
index 7224fed399..adb269bfd8 100644
--- a/progs/openvg/demos/lion.c
+++ b/progs/openvg/demos/lion.c
@@ -67,6 +67,7 @@ make_x_window(Display *x_dpy, EGLDisplay egl_dpy,
       EGL_RED_SIZE, 1,
       EGL_GREEN_SIZE, 1,
       EGL_BLUE_SIZE, 1,
+      EGL_RENDERABLE_TYPE, EGL_OPENVG_BIT,
       EGL_NONE
    };
 
@@ -85,13 +86,13 @@ make_x_window(Display *x_dpy, EGLDisplay egl_dpy,
    scrnum = DefaultScreen( x_dpy );
    root = RootWindow( x_dpy, scrnum );
 
-   if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs)) {
+   if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs) ||
+       !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");
diff --git a/progs/openvg/trivial/eglcommon.c b/progs/openvg/trivial/eglcommon.c
index bacd5685d7..0316e596c6 100644
--- a/progs/openvg/trivial/eglcommon.c
+++ b/progs/openvg/trivial/eglcommon.c
@@ -42,6 +42,7 @@ make_x_window(Display *x_dpy, EGLDisplay egl_dpy,
       EGL_RED_SIZE, 1,
       EGL_GREEN_SIZE, 1,
       EGL_BLUE_SIZE, 1,
+      EGL_RENDERABLE_TYPE, EGL_OPENVG_BIT,
       EGL_NONE
    };
 
@@ -60,13 +61,13 @@ make_x_window(Display *x_dpy, EGLDisplay egl_dpy,
    scrnum = DefaultScreen( x_dpy );
    root = RootWindow( x_dpy, scrnum );
 
-   if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs)) {
+   if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs) ||
+       !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");
diff --git a/progs/osdemos/Makefile b/progs/osdemos/Makefile
index 023ea02ae2..f53515cb0a 100644
--- a/progs/osdemos/Makefile
+++ b/progs/osdemos/Makefile
@@ -5,7 +5,7 @@ include $(TOP)/configs/current
 
 INCDIR = $(TOP)/include
 
-OSMESA_LIBS = -L$(TOP)/$(LIB_DIR) -l$(GLU_LIB) -l$(OSMESA_LIB) $(APP_LIB_DEPS)
+OSMESA_LIBS = -L$(TOP)/$(LIB_DIR) -l$(GLU_LIB) -l$(GL_LIB) -l$(OSMESA_LIB) $(APP_LIB_DEPS)
 
 OSMESA16_LIBS = -L$(TOP)/$(LIB_DIR) -l$(GLUT_LIB) -lOSMesa16 -l$(GLU_LIB) \
 	-l$(GL_LIB) $(APP_LIB_DEPS)
@@ -13,12 +13,6 @@ OSMESA16_LIBS = -L$(TOP)/$(LIB_DIR) -l$(GLUT_LIB) -lOSMesa16 -l$(GLU_LIB) \
 OSMESA32_LIBS = -L$(TOP)/$(LIB_DIR) -l$(GLUT_LIB) -lOSMesa32 -l$(GLU_LIB) \
 	-l$(GL_LIB) $(APP_LIB_DEPS)
 
-LIB_DEP = $(TOP)/$(LIB_DIR)/$(GL_LIB_NAME) $(TOP)/$(LIB_DIR)/$(GLU_LIB_NAME) \
-	$(TOP)/$(LIB_DIR)/$(GLUT_LIB_NAME)
-
-LIBS = -L$(TOP)/$(LIB_DIR) -l$(GLUT_LIB) -l$(GLU_LIB) -l$(GL_LIB) \
-	$(APP_LIB_DEPS)
-
 PROGS = \
 	osdemo \
 	ostest1
@@ -30,11 +24,6 @@ PROGS = \
 .SUFFIXES: .c
 
 
-# make executable from .c file:
-.c: $(LIB_DEP) readtex.o
-	$(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) $< readtex.o $(LIBS) -o $@
-
-
 ##### TARGETS #####
 
 default: readtex.o $(PROGS)
diff --git a/progs/perf/SConscript b/progs/perf/SConscript
index a5ec9a7c2a..691478ab64 100644
--- a/progs/perf/SConscript
+++ b/progs/perf/SConscript
@@ -1,11 +1,4 @@
-Import('env')
-
-if not env['GLUT']:
-    Return()
-
-env = env.Clone()
-
-env.Prepend(LIBS = ['$GLUT_LIB'])
+Import('*')
 
 progs = [
       'copytex',
@@ -21,7 +14,7 @@ progs = [
 ]
 
 for prog in progs:
-    env.Program(
+    progs_env.Program(
         target = prog,
         source = [
             prog + '.c',
diff --git a/progs/perf/genmipmap.c b/progs/perf/genmipmap.c
index 4b7d6ad155..20e2fa3410 100644
--- a/progs/perf/genmipmap.c
+++ b/progs/perf/genmipmap.c
@@ -27,6 +27,7 @@
  */
 
 #include <string.h>
+#include <stdio.h>
 #include "glmain.h"
 #include "common.h"
 
@@ -53,6 +54,11 @@ static const struct vertex vertices[1] = {
 void
 PerfInit(void)
 {
+   if (!PerfExtensionSupported("GL_ARB_framebuffer_object")) {
+      printf("Sorry, this test requires GL_ARB_framebuffer_object\n");
+      exit(1);
+   }
+
    /* setup VBO w/ vertex data */
    glGenBuffersARB(1, &VBO);
    glBindBufferARB(GL_ARRAY_BUFFER_ARB, VBO);
diff --git a/progs/rbug/bin_to_bmp.c b/progs/rbug/bin_to_bmp.c
index cdae3486ce..49a5416787 100644
--- a/progs/rbug/bin_to_bmp.c
+++ b/progs/rbug/bin_to_bmp.c
@@ -25,8 +25,10 @@
 #include "pipe/p_compiler.h"
 #include "pipe/p_format.h"
 #include "pipe/p_state.h"
+#include "util/u_format.h"
 #include "util/u_memory.h"
 #include "util/u_debug.h"
+#include "util/u_format.h"
 #include "util/u_network.h"
 #include "util/u_tile.h"
 
@@ -54,10 +56,7 @@ static void dump(unsigned width, unsigned height,
                  unsigned src_stride, enum pipe_format src_format,
                  uint8_t *data, unsigned src_size)
 {
-   struct pipe_format_block src_block;
-
    enum pipe_format dst_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
-   struct pipe_format_block dst_block;
    unsigned dst_stride;
    unsigned dst_size;
    float *rgba;
@@ -65,20 +64,17 @@ static void dump(unsigned width, unsigned height,
    char filename[512];
 
    {
-      pf_get_block(src_format, &src_block);
-      assert(src_stride >= pf_get_stride(&src_block, width));
-      assert(src_size >= pf_get_2d_size(&src_block, src_stride, width));
+      assert(src_stride >= util_format_get_stride(src_format, width));
    }
    {
-      pf_get_block(dst_format, &dst_block);
-      dst_stride = pf_get_stride(&dst_block, width);
-      dst_size = pf_get_2d_size(&dst_block, dst_stride, width);
+      dst_stride = util_format_get_stride(dst_format, width);
+      dst_size = util_format_get_2d_size(dst_format, dst_stride, width);
       rgba = MALLOC(dst_size);
    }
 
    util_snprintf(filename, 512, "%s.bmp", pf_name(src_format));
 
-   if (pf_is_compressed(src_format)) {
+   if (util_format_is_compressed(src_format)) {
       debug_printf("skipping: %s\n", filename);
       return;
    }
diff --git a/progs/rbug/simple_server.c b/progs/rbug/simple_server.c
index 04380c3310..3a842c06c4 100644
--- a/progs/rbug/simple_server.c
+++ b/progs/rbug/simple_server.c
@@ -29,7 +29,7 @@
 
 #include "rbug/rbug.h"
 
-static void wait()
+static void rbug_wait()
 {
    int s = u_socket_listen_on_port(13370);
    int c = u_socket_accept(s);
@@ -57,6 +57,6 @@ static void wait()
 
 int main(int argc, char** argv)
 {
-   wait();
+   rbug_wait();
    return 0;
 }
diff --git a/progs/rbug/tex_dump.c b/progs/rbug/tex_dump.c
index f9e06ee994..963f8eeede 100644
--- a/progs/rbug/tex_dump.c
+++ b/progs/rbug/tex_dump.c
@@ -27,6 +27,7 @@
 #include "pipe/p_state.h"
 #include "util/u_memory.h"
 #include "util/u_debug.h"
+#include "util/u_format.h"
 #include "util/u_network.h"
 #include "util/u_tile.h"
 #include "rbug/rbug.h"
@@ -49,7 +50,7 @@ static void dump(rbug_texture_t tex,
    util_snprintf(filename, 512, "%llu_%s_%u.bmp",
                  (unsigned long long)tex, pf_name(info->format), mip);
 
-   if (pf_is_compressed(info->format)) {
+   if (util_format_is_compressed(info->format)) {
       debug_printf("skipping: %s\n", filename);
       return;
    }
diff --git a/progs/redbook/SConscript b/progs/redbook/SConscript
index 242cb6647f..24d7cff1b6 100644
--- a/progs/redbook/SConscript
+++ b/progs/redbook/SConscript
@@ -1,23 +1,5 @@
 Import('*')
 
-if not env['GLUT']:
-    Return()
-
-env = env.Clone()
-
-env.Prepend(CPPPATH = [
-	'../util',
-])
-
-env.Prepend(LIBS = [
-	util,
-	'$GLUT_LIB'
-])
-
-if env['platform'] == 'windows':
-    env.Append(CPPDEFINES = ['NOMINMAX'])
-    env.Prepend(LIBS = ['winmm'])
-
 progs = [
     'aaindex',
     'aapoly',
@@ -85,7 +67,7 @@ progs = [
 ]
 
 for prog in progs:
-    env.Program(
+    progs_env.Program(
         target = prog,
         source = prog + '.c',
     )
diff --git a/progs/redbook/aaindex.c b/progs/redbook/aaindex.c
index 7dbc7b4b9b..6011ec44b6 100644
--- a/progs/redbook/aaindex.c
+++ b/progs/redbook/aaindex.c
@@ -56,7 +56,7 @@ static float rotAngle = 0.;
  *  at RAMP1START, and a blue color ramp starting
  *  at RAMP2START. The ramps must be a multiple of 16.
  */
-void init(void)
+static void init(void)
 {
    int i;
 
@@ -76,7 +76,7 @@ void init(void)
 
 /*  Draw 2 diagonal lines to form an X
  */
-void display(void)
+static void display(void)
 {
    glClear(GL_COLOR_BUFFER_BIT);
 
@@ -101,7 +101,7 @@ void display(void)
    glFlush();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -117,7 +117,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 'r':
diff --git a/progs/redbook/aapoly.c b/progs/redbook/aapoly.c
index 757f0f48c4..b7b2b27090 100644
--- a/progs/redbook/aapoly.c
+++ b/progs/redbook/aapoly.c
@@ -59,7 +59,7 @@ static void init(void)
 
 #define NFACE 6
 #define NVERT 8
-void drawCube(GLdouble x0, GLdouble x1, GLdouble y0, GLdouble y1,
+static void drawCube(GLdouble x0, GLdouble x1, GLdouble y0, GLdouble y1,
         GLdouble z0, GLdouble z1)
 {
    static GLfloat v[8][3];
@@ -101,7 +101,7 @@ void drawCube(GLdouble x0, GLdouble x1, GLdouble y0, GLdouble y1,
 /*  Note:  polygons must be drawn from front to back
  *  for proper blending.
  */
-void display(void)
+static void display(void)
 {
    if (polySmooth) {
       glClear (GL_COLOR_BUFFER_BIT);
@@ -126,7 +126,7 @@ void display(void)
    glFlush ();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -137,7 +137,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 't':
diff --git a/progs/redbook/aargb.c b/progs/redbook/aargb.c
index f51984170e..0021b549c2 100644
--- a/progs/redbook/aargb.c
+++ b/progs/redbook/aargb.c
@@ -51,7 +51,7 @@ static float rotAngle = 0.;
  *  blending, hint, and line width.  Print out implementation
  *  specific info on line width granularity and width.
  */
-void init(void)
+static void init(void)
 {
    GLfloat values[2];
    glGetFloatv (GL_LINE_WIDTH_GRANULARITY, values);
@@ -72,7 +72,7 @@ void init(void)
 
 /* Draw 2 diagonal lines to form an X
  */
-void display(void)
+static void display(void)
 {
    glClear(GL_COLOR_BUFFER_BIT);
 
@@ -97,7 +97,7 @@ void display(void)
    glFlush();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, w, h);
    glMatrixMode(GL_PROJECTION);
@@ -113,7 +113,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 'r':
diff --git a/progs/redbook/accanti.c b/progs/redbook/accanti.c
index 12ca16f7a5..d1b2567841 100644
--- a/progs/redbook/accanti.c
+++ b/progs/redbook/accanti.c
@@ -45,7 +45,7 @@
 
 /*  Initialize lighting and other values.
  */
-void myinit(void)
+static void myinit(void)
 {
     GLfloat mat_ambient[] = { 1.0, 1.0, 1.0, 1.0 };
     GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
@@ -68,7 +68,7 @@ void myinit(void)
     glClearAccum(0.0, 0.0, 0.0, 0.0);
 }
 
-void displayObjects(void)
+static void displayObjects(void)
 {
     GLfloat torus_diffuse[] = { 0.7, 0.7, 0.0, 1.0 };
     GLfloat cube_diffuse[] = { 0.0, 0.7, 0.7, 1.0 };
@@ -111,7 +111,7 @@ void displayObjects(void)
 
 #define ACSIZE	8
 
-void display(void)
+static void display(void)
 {
     GLint viewport[4];
     int jitter;
@@ -137,7 +137,7 @@ void display(void)
     glFlush();
 }
 
-void myReshape(int w, int h)
+static void myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
     glMatrixMode(GL_PROJECTION);
diff --git a/progs/redbook/accpersp.c b/progs/redbook/accpersp.c
index 46e369ae63..e172d0a917 100644
--- a/progs/redbook/accpersp.c
+++ b/progs/redbook/accpersp.c
@@ -62,7 +62,7 @@
  * probably want to insure that your ModelView matrix has been 
  * initialized to identity before calling accFrustum().
  */
-void accFrustum(GLdouble left, GLdouble right, GLdouble bottom, 
+static void accFrustum(GLdouble left, GLdouble right, GLdouble bottom, 
    GLdouble top, GLdouble nnear, GLdouble ffar, GLdouble pixdx, 
    GLdouble pixdy, GLdouble eyedx, GLdouble eyedy, GLdouble focus)
 {
@@ -99,7 +99,7 @@ void accFrustum(GLdouble left, GLdouble right, GLdouble bottom,
  *
  * Note that accPerspective() calls accFrustum().
  */
-void accPerspective(GLdouble fovy, GLdouble aspect, 
+static void accPerspective(GLdouble fovy, GLdouble aspect, 
    GLdouble nnear, GLdouble ffar, GLdouble pixdx, GLdouble pixdy, 
    GLdouble eyedx, GLdouble eyedy, GLdouble focus)
 {
@@ -119,7 +119,7 @@ void accPerspective(GLdouble fovy, GLdouble aspect,
 
 /*  Initialize lighting and other values.
  */
-void init(void)
+static void init(void)
 {
    GLfloat mat_ambient[] = { 1.0, 1.0, 1.0, 1.0 };
    GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
@@ -141,7 +141,7 @@ void init(void)
    glClearAccum(0.0, 0.0, 0.0, 0.0);
 }
 
-void displayObjects(void) 
+static void displayObjects(void) 
 {
    GLfloat torus_diffuse[] = { 0.7, 0.7, 0.0, 1.0 };
    GLfloat cube_diffuse[] = { 0.0, 0.7, 0.7, 1.0 };
@@ -185,7 +185,7 @@ void displayObjects(void)
 
 #define ACSIZE	8
 
-void display(void)
+static void display(void)
 {
    GLint viewport[4];
    int jitter;
@@ -205,13 +205,13 @@ void display(void)
    glFlush();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/alpha.c b/progs/redbook/alpha.c
index 6eeb45b96f..b77c65e2c8 100644
--- a/progs/redbook/alpha.c
+++ b/progs/redbook/alpha.c
@@ -80,7 +80,7 @@ static void drawRightTriangle(void)
    glEnd();
 }
 
-void display(void)
+static void display(void)
 {
    glClear(GL_COLOR_BUFFER_BIT);
 
@@ -96,7 +96,7 @@ void display(void)
    glFlush();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -108,7 +108,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 't':
diff --git a/progs/redbook/alpha3D.c b/progs/redbook/alpha3D.c
index 6169bd162b..494b1879d2 100644
--- a/progs/redbook/alpha3D.c
+++ b/progs/redbook/alpha3D.c
@@ -80,7 +80,7 @@ static void init(void)
    glEndList();
 }
 
-void display(void)
+static void display(void)
 {
    GLfloat mat_solid[] = { 0.75, 0.75, 0.0, 1.0 };
    GLfloat mat_zero[] = { 0.0, 0.0, 0.0, 1.0 };
@@ -113,7 +113,7 @@ void display(void)
    glutSwapBuffers();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLint) w, (GLint) h);
    glMatrixMode(GL_PROJECTION);
@@ -128,7 +128,7 @@ void reshape(int w, int h)
    glLoadIdentity();
 }
 
-void animate(void)
+static void animate(void)
 {
    static double t0 = -1.;
    if (solidZ <= MINZ || transparentZ >= MAXZ)
@@ -150,7 +150,7 @@ void animate(void)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 'a':
diff --git a/progs/redbook/anti.c b/progs/redbook/anti.c
index 9eab0bc351..a97a3ebc94 100644
--- a/progs/redbook/anti.c
+++ b/progs/redbook/anti.c
@@ -49,7 +49,7 @@
  *  blending, hint, and line width.  Print out implementation
  *  specific info on line width granularity and width.
  */
-void myinit(void)
+static void myinit(void)
 {
     GLfloat values[2];
     glGetFloatv (GL_LINE_WIDTH_GRANULARITY, values);
@@ -73,7 +73,7 @@ void myinit(void)
 
 /*  display() draws an icosahedron with a large alpha value, 1.0.
  */
-void display(void)
+static void display(void)
 {
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
     glColor4f (1.0, 1.0, 1.0, 1.0);
@@ -81,7 +81,7 @@ void display(void)
     glFlush();
 }
 
-void myReshape(int w, int h)
+static void myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
     glMatrixMode(GL_PROJECTION);
diff --git a/progs/redbook/bezcurve.c b/progs/redbook/bezcurve.c
index 5dee440396..60a9c68080 100644
--- a/progs/redbook/bezcurve.c
+++ b/progs/redbook/bezcurve.c
@@ -45,7 +45,7 @@ GLfloat ctrlpoints[4][3] = {
 	{ -4.0, -4.0, 0.0}, { -2.0, 4.0, 0.0}, 
 	{2.0, -4.0, 0.0}, {4.0, 4.0, 0.0}};
 
-void init(void)
+static void init(void)
 {
    glClearColor(0.0, 0.0, 0.0, 0.0);
    glShadeModel(GL_FLAT);
@@ -53,7 +53,7 @@ void init(void)
    glEnable(GL_MAP1_VERTEX_3);
 }
 
-void display(void)
+static void display(void)
 {
    int i;
 
@@ -73,7 +73,7 @@ void display(void)
    glFlush();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -89,7 +89,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/bezmesh.c b/progs/redbook/bezmesh.c
index 55e7e827f2..1abc7488bc 100644
--- a/progs/redbook/bezmesh.c
+++ b/progs/redbook/bezmesh.c
@@ -68,7 +68,7 @@ GLfloat ctrlpoints[4][4][3] =
         {1.5, 1.5, -1.0}}
 };
 
-void
+static void
 initlights(void)
 {
     GLfloat ambient[] =
@@ -93,7 +93,7 @@ initlights(void)
     glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
 }
 
-void
+static void
 display(void)
 {
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@@ -104,7 +104,7 @@ display(void)
     glFlush();
 }
 
-void
+static void
 myinit(void)
 {
     glClearColor(0.0, 0.0, 0.0, 1.0);
@@ -118,7 +118,7 @@ myinit(void)
     initlights();       /* for lighted version only */
 }
 
-void
+static void
 myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
diff --git a/progs/redbook/checker.c b/progs/redbook/checker.c
index 06cbae7dd7..60e6f7b60c 100644
--- a/progs/redbook/checker.c
+++ b/progs/redbook/checker.c
@@ -50,7 +50,7 @@
 #define	checkImageHeight 64
 GLubyte checkImage[checkImageWidth][checkImageHeight][3];
 
-void makeCheckImage(void)
+static void makeCheckImage(void)
 {
     int i, j, c;
 
@@ -64,7 +64,7 @@ void makeCheckImage(void)
     }
 }
 
-void myinit(void)
+static void myinit(void)
 {
     glClearColor (0.0, 0.0, 0.0, 0.0);
     glEnable(GL_DEPTH_TEST);
@@ -84,7 +84,7 @@ void myinit(void)
     glShadeModel(GL_FLAT);
 }
 
-void display(void)
+static void display(void)
 {
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
     glBegin(GL_QUADS);
@@ -101,7 +101,7 @@ void display(void)
     glutSwapBuffers();
 }
 
-void myReshape(int w, int h)
+static void myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
     glMatrixMode(GL_PROJECTION);
diff --git a/progs/redbook/clip.c b/progs/redbook/clip.c
index 90816f2e27..85c464720d 100644
--- a/progs/redbook/clip.c
+++ b/progs/redbook/clip.c
@@ -42,13 +42,13 @@
 #include <GL/glut.h>
 #include <stdlib.h>
 
-void init(void) 
+static void init(void) 
 {
    glClearColor (0.0, 0.0, 0.0, 0.0);
    glShadeModel (GL_FLAT);
 }
 
-void display(void)
+static void display(void)
 {
    GLdouble eqn[4] = {0.0, 1.0, 0.0, 0.0};
    GLdouble eqn2[4] = {1.0, 0.0, 0.0, 0.0};
@@ -73,7 +73,7 @@ void display(void)
    glFlush ();
 }
 
-void reshape (int w, int h)
+static void reshape (int w, int h)
 {
    glViewport (0, 0, (GLsizei) w, (GLsizei) h); 
    glMatrixMode (GL_PROJECTION);
@@ -83,7 +83,7 @@ void reshape (int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/colormat.c b/progs/redbook/colormat.c
index 9db4491bac..d77fcb1ed4 100644
--- a/progs/redbook/colormat.c
+++ b/progs/redbook/colormat.c
@@ -49,7 +49,7 @@ GLfloat diffuseMaterial[4] = { 0.5, 0.5, 0.5, 1.0 };
 /*  Initialize material property, light source, lighting model,
  *  and depth buffer.
  */
-void init(void) 
+static void init(void) 
 {
    GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
    GLfloat light_position[] = { 1.0, 1.0, 1.0, 0.0 };
@@ -68,14 +68,14 @@ void init(void)
    glEnable(GL_COLOR_MATERIAL);
 }
 
-void display(void)
+static void display(void)
 {
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glutSolidSphere(1.0, 20, 16);
    glFlush ();
 }
 
-void reshape (int w, int h)
+static void reshape (int w, int h)
 {
    glViewport (0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode (GL_PROJECTION);
@@ -91,7 +91,7 @@ void reshape (int w, int h)
 }
 
 /* ARGSUSED2 */
-void mouse(int button, int state, int x, int y)
+static void mouse(int button, int state, int x, int y)
 {
    switch (button) {
       case GLUT_LEFT_BUTTON:
@@ -127,7 +127,7 @@ void mouse(int button, int state, int x, int y)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/cube.c b/progs/redbook/cube.c
index 5ecc6280f3..3c6becb215 100644
--- a/progs/redbook/cube.c
+++ b/progs/redbook/cube.c
@@ -44,13 +44,13 @@
 #include <GL/glut.h>
 #include <stdlib.h>
 
-void init(void) 
+static void init(void) 
 {
    glClearColor (0.0, 0.0, 0.0, 0.0);
    glShadeModel (GL_FLAT);
 }
 
-void display(void)
+static void display(void)
 {
    glClear (GL_COLOR_BUFFER_BIT);
    glColor3f (1.0, 1.0, 1.0);
@@ -62,7 +62,7 @@ void display(void)
    glFlush ();
 }
 
-void reshape (int w, int h)
+static void reshape (int w, int h)
 {
    glViewport (0, 0, (GLsizei) w, (GLsizei) h); 
    glMatrixMode (GL_PROJECTION);
@@ -72,7 +72,7 @@ void reshape (int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/depthcue.c b/progs/redbook/depthcue.c
index a3e5b743aa..d4b604baf1 100644
--- a/progs/redbook/depthcue.c
+++ b/progs/redbook/depthcue.c
@@ -48,7 +48,7 @@
 
 /*  Initialize linear fog for depth cueing.
  */
-void myinit(void)
+static void myinit(void)
 {
     GLfloat fogColor[4] = {0.0, 0.0, 0.0, 1.0};
 
@@ -67,7 +67,7 @@ void myinit(void)
 
 /*  display() draws an icosahedron.
  */
-void display(void)
+static void display(void)
 {
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
     glColor3f (1.0, 1.0, 1.0);
@@ -75,7 +75,7 @@ void display(void)
     glFlush();
 }
 
-void myReshape(int w, int h)
+static void myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
     glMatrixMode(GL_PROJECTION);
diff --git a/progs/redbook/dof.c b/progs/redbook/dof.c
index 6673dc2d54..8558f02dee 100644
--- a/progs/redbook/dof.c
+++ b/progs/redbook/dof.c
@@ -68,7 +68,7 @@
  *  probably want to insure that your ModelView matrix has been
  *  initialized to identity before calling accFrustum().
  */
-void accFrustum(GLdouble left, GLdouble right, GLdouble bottom,
+static void accFrustum(GLdouble left, GLdouble right, GLdouble bottom,
     GLdouble top, GLdouble nnear, GLdouble ffar, GLdouble pixdx,
     GLdouble pixdy, GLdouble eyedx, GLdouble eyedy, GLdouble focus)
 {
@@ -105,7 +105,7 @@ void accFrustum(GLdouble left, GLdouble right, GLdouble bottom,
  *
  *  Note that accPerspective() calls accFrustum().
  */
-void accPerspective(GLdouble fovy, GLdouble aspect,
+static void accPerspective(GLdouble fovy, GLdouble aspect,
     GLdouble nnear, GLdouble ffar, GLdouble pixdx, GLdouble pixdy,
     GLdouble eyedx, GLdouble eyedy, GLdouble focus)
 {
@@ -123,7 +123,7 @@ void accPerspective(GLdouble fovy, GLdouble aspect,
 	pixdx, pixdy, eyedx, eyedy, focus);
 }
 
-void myinit(void)
+static void myinit(void)
 {
     GLfloat ambient[] = { 0.0, 0.0, 0.0, 1.0 };
     GLfloat diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
@@ -155,7 +155,7 @@ void myinit(void)
     glClearAccum(0.0, 0.0, 0.0, 0.0);
 }
 
-void renderTeapot (GLfloat x, GLfloat y, GLfloat z,
+static void renderTeapot (GLfloat x, GLfloat y, GLfloat z,
     GLfloat ambr, GLfloat ambg, GLfloat ambb,
     GLfloat difr, GLfloat difg, GLfloat difb,
     GLfloat specr, GLfloat specg, GLfloat specb, GLfloat shine)
@@ -182,7 +182,7 @@ void renderTeapot (GLfloat x, GLfloat y, GLfloat z,
  *  magnitude of the accPerspective() jitter; in this example, 0.33.
  *  In this example, the teapots are drawn 8 times.  See jitter.h
  */
-void display(void)
+static void display(void)
 {
     int jitter;
     GLint viewport[4];
@@ -214,7 +214,7 @@ void display(void)
     glFlush();
 }
 
-void myReshape(int w, int h)
+static void myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
 }
diff --git a/progs/redbook/double.c b/progs/redbook/double.c
index 3153c70cc1..c4ead224dc 100644
--- a/progs/redbook/double.c
+++ b/progs/redbook/double.c
@@ -47,7 +47,7 @@
 static GLfloat spin = 0.0;
 static GLdouble t0 = 0.;
 
-void display(void)
+static void display(void)
 {
    glClear(GL_COLOR_BUFFER_BIT);
    glPushMatrix();
@@ -59,12 +59,12 @@ void display(void)
    glutSwapBuffers();
 }
 
-GLdouble gettime(void)
+static GLdouble gettime(void)
 {
     return (GLdouble)(glutGet(GLUT_ELAPSED_TIME)) / 1000.;
 }
 
-void spinDisplay(void)
+static void spinDisplay(void)
 {
    GLdouble t, dt;
    t = gettime();
@@ -76,13 +76,13 @@ void spinDisplay(void)
    glutPostRedisplay();
 }
 
-void init(void)
+static void init(void)
 {
    glClearColor (0.0, 0.0, 0.0, 0.0);
    glShadeModel (GL_FLAT);
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport (0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -93,7 +93,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED2 */
-void mouse(int button, int state, int x, int y)
+static void mouse(int button, int state, int x, int y)
 {
    switch (button) {
       case GLUT_LEFT_BUTTON:
diff --git a/progs/redbook/drawf.c b/progs/redbook/drawf.c
index 5bcccb6aea..6c048be784 100644
--- a/progs/redbook/drawf.c
+++ b/progs/redbook/drawf.c
@@ -48,13 +48,13 @@ GLubyte rasters[24] = {
    0xff, 0x00, 0xff, 0x00, 0xc0, 0x00, 0xc0, 0x00, 0xc0, 0x00,
    0xff, 0xc0, 0xff, 0xc0};
 
-void init(void)
+static void init(void)
 {
    glPixelStorei (GL_UNPACK_ALIGNMENT, 1);
    glClearColor (0.0, 0.0, 0.0, 0.0);
 }
 
-void display(void)
+static void display(void)
 {
    glClear(GL_COLOR_BUFFER_BIT);
    glColor3f (1.0, 1.0, 1.0);
@@ -65,7 +65,7 @@ void display(void)
    glFlush();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -75,7 +75,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/feedback.c b/progs/redbook/feedback.c
index cc685d55d3..3c8c8cc7ea 100644
--- a/progs/redbook/feedback.c
+++ b/progs/redbook/feedback.c
@@ -48,7 +48,7 @@
 
 /*  Initialize lighting.
  */
-void init(void)
+static void init(void)
 {
    glEnable(GL_LIGHTING);
    glEnable(GL_LIGHT0);
@@ -58,7 +58,7 @@ void init(void)
  * be clipped.  If in feedback mode, a passthrough token 
  * is issued between the each primitive.
  */
-void drawGeometry (GLenum mode)
+static void drawGeometry (GLenum mode)
 {
    glBegin (GL_LINE_STRIP);
    glNormal3f (0.0, 0.0, 1.0);
@@ -80,8 +80,8 @@ void drawGeometry (GLenum mode)
 }
 
 /* Write contents of one vertex to stdout.	*/
-void print3DcolorVertex (GLint size, GLint *count, 
-                         GLfloat *buffer)
+static void print3DcolorVertex (GLint size, GLint *count, 
+                                GLfloat *buffer)
 {
    int i;
 
@@ -94,7 +94,7 @@ void print3DcolorVertex (GLint size, GLint *count,
 }
 
 /*  Write contents of entire buffer.  (Parse tokens!)	*/
-void printBuffer(GLint size, GLfloat *buffer)
+static void printBuffer(GLint size, GLfloat *buffer)
 {
    GLint count;
    GLfloat token;
@@ -124,7 +124,7 @@ void printBuffer(GLint size, GLfloat *buffer)
    }
 }
 
-void display(void)
+static void display(void)
 {
    GLfloat feedBuffer[1024];
    GLint size;
@@ -148,7 +148,7 @@ void display(void)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/fog.c b/progs/redbook/fog.c
index 14c7700ecc..4f4b8e3cc0 100644
--- a/progs/redbook/fog.c
+++ b/progs/redbook/fog.c
@@ -52,7 +52,7 @@
 
 GLint fogMode;
 
-void
+static void
 selectFog(int mode)
 {
     switch(mode) {
@@ -73,7 +73,7 @@ selectFog(int mode)
 /*  Initialize z-buffer, projection matrix, light source,
  *  and lighting model.  Do not specify a material property here.
  */
-void
+static void
 myinit(void)
 {
     GLfloat position[] =
@@ -106,7 +106,7 @@ myinit(void)
     }
 }
 
-void
+static void
 renderRedTeapot(GLfloat x, GLfloat y, GLfloat z)
 {
     float mat[4];
@@ -133,7 +133,7 @@ renderRedTeapot(GLfloat x, GLfloat y, GLfloat z)
 
 /*  display() draws 5 teapots at different z positions.
  */
-void
+static void
 display(void)
 {
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@@ -145,7 +145,7 @@ display(void)
     glFlush();
 }
 
-void
+static void
 myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
diff --git a/progs/redbook/fogindex.c b/progs/redbook/fogindex.c
index b8bb691e28..6b5aa353ca 100644
--- a/progs/redbook/fogindex.c
+++ b/progs/redbook/fogindex.c
@@ -53,7 +53,7 @@
 #define NUM_COLORS 32
 #define RAMPSTART 16
 
-void
+static void
 myinit(void)
 {
   int i;
@@ -77,7 +77,7 @@ myinit(void)
 
 /*  display() renders 3 cones at different z positions.
  */
-void
+static void
 display(void)
 {
   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@@ -104,7 +104,7 @@ display(void)
   glFlush();
 }
 
-void
+static void
 myReshape(int w, int h)
 {
   glViewport(0, 0, w, h);
diff --git a/progs/redbook/font.c b/progs/redbook/font.c
index 2d92e9b600..c7a1035aa9 100644
--- a/progs/redbook/font.c
+++ b/progs/redbook/font.c
@@ -80,7 +80,7 @@ GLubyte letters[][13] = {
 
 GLuint fontOffset;
 
-void makeRasterFont(void)
+static void makeRasterFont(void)
 {
    GLuint i, j;
    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
@@ -96,13 +96,13 @@ void makeRasterFont(void)
    glEndList();
 }
 
-void init(void)
+static void init(void)
 {
    glShadeModel (GL_FLAT);
    makeRasterFont();
 }
 
-void printString(char *s)
+static void printString(char *s)
 {
    glPushAttrib (GL_LIST_BIT);
    glListBase(fontOffset);
@@ -115,7 +115,7 @@ void printString(char *s)
  * to call makeRasterFont() before you start making 
  * calls to printString().
  */
-void display(void)
+static void display(void)
 {
    GLfloat white[3] = { 1.0, 1.0, 1.0 };
 
@@ -129,7 +129,7 @@ void display(void)
    glFlush ();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -139,7 +139,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/hello.c b/progs/redbook/hello.c
index fb3dae1325..84183b25b9 100644
--- a/progs/redbook/hello.c
+++ b/progs/redbook/hello.c
@@ -42,7 +42,7 @@
 #include <stdlib.h>
 #include <GL/glut.h>
 
-void display(void)
+static void display(void)
 {
 /* clear all pixels  */
    glClear (GL_COLOR_BUFFER_BIT);
@@ -64,7 +64,7 @@ void display(void)
    glFlush ();
 }
 
-void init (void)
+static void init (void)
 {
 /* select clearing color 	*/
    glClearColor (0.0, 0.0, 0.0, 0.0);
diff --git a/progs/redbook/image.c b/progs/redbook/image.c
index dc1a7246eb..fa3b46f5ed 100644
--- a/progs/redbook/image.c
+++ b/progs/redbook/image.c
@@ -58,7 +58,7 @@ GLubyte checkImage[checkImageHeight][checkImageWidth][3];
 static GLdouble zoomFactor = 1.0;
 static GLint height;
 
-void makeCheckImage(void)
+static void makeCheckImage(void)
 {
    int i, j, c;
     
@@ -72,7 +72,7 @@ void makeCheckImage(void)
    }
 }
 
-void init(void)
+static void init(void)
 {    
    glClearColor (0.0, 0.0, 0.0, 0.0);
    glShadeModel(GL_FLAT);
@@ -80,7 +80,7 @@ void init(void)
    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
 }
 
-void display(void)
+static void display(void)
 {
    glClear(GL_COLOR_BUFFER_BIT);
    glRasterPos2i(0, 0);
@@ -89,7 +89,7 @@ void display(void)
    glFlush();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    height = (GLint) h;
@@ -100,7 +100,7 @@ void reshape(int w, int h)
    glLoadIdentity();
 }
 
-void motion(int x, int y)
+static void motion(int x, int y)
 {
    static GLint screeny;
    
@@ -113,7 +113,7 @@ void motion(int x, int y)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 'r':
diff --git a/progs/redbook/light.c b/progs/redbook/light.c
index 0eed85e10c..9431dce508 100644
--- a/progs/redbook/light.c
+++ b/progs/redbook/light.c
@@ -47,7 +47,7 @@
 /*  Initialize material property, light source, lighting model,
  *  and depth buffer.
  */
-void init(void) 
+static void init(void) 
 {
    GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
    GLfloat mat_shininess[] = { 50.0 };
@@ -65,14 +65,14 @@ void init(void)
    glEnable(GL_DEPTH_TEST);
 }
 
-void display(void)
+static void display(void)
 {
    glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glutSolidSphere (1.0, 20, 16);
    glFlush ();
 }
 
-void reshape (int w, int h)
+static void reshape (int w, int h)
 {
    glViewport (0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode (GL_PROJECTION);
@@ -88,7 +88,7 @@ void reshape (int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/lines.c b/progs/redbook/lines.c
index b34d4c418c..9f12da9acf 100644
--- a/progs/redbook/lines.c
+++ b/progs/redbook/lines.c
@@ -46,13 +46,13 @@
 #define drawOneLine(x1,y1,x2,y2)  glBegin(GL_LINES);  \
    glVertex2f ((x1),(y1)); glVertex2f ((x2),(y2)); glEnd();
 
-void init(void) 
+static void init(void) 
 {
    glClearColor (0.0, 0.0, 0.0, 0.0);
    glShadeModel (GL_FLAT);
 }
 
-void display(void)
+static void display(void)
 {
    int i;
 
@@ -104,7 +104,7 @@ void display(void)
    glFlush ();
 }
 
-void reshape (int w, int h)
+static void reshape (int w, int h)
 {
    glViewport (0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode (GL_PROJECTION);
@@ -113,7 +113,7 @@ void reshape (int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/list.c b/progs/redbook/list.c
index 3b4f44bd6d..5dea26fcad 100644
--- a/progs/redbook/list.c
+++ b/progs/redbook/list.c
@@ -69,7 +69,7 @@ static void drawLine (void)
    glEnd ();
 }
 
-void display(void)
+static void display(void)
 {
    GLuint i;
 
@@ -82,7 +82,7 @@ void display(void)
    glFlush ();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, w, h);
    glMatrixMode(GL_PROJECTION);
@@ -97,7 +97,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/material.c b/progs/redbook/material.c
index f9a4fc5928..5edddd9ef8 100644
--- a/progs/redbook/material.c
+++ b/progs/redbook/material.c
@@ -49,7 +49,7 @@
 /*  Initialize z-buffer, projection matrix, light source,
  *  and lighting model.  Do not specify a material property here.
  */
-void myinit(void)
+static void myinit(void)
 {
     GLfloat ambient[] = { 0.0, 0.0, 0.0, 1.0 };
     GLfloat diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
@@ -87,7 +87,7 @@ void myinit(void)
  *  glTranslatef() is used to move spheres to their appropriate locations.
  */
 
-void display(void)
+static void display(void)
 {
     GLfloat no_mat[] = { 0.0, 0.0, 0.0, 1.0 };
     GLfloat mat_ambient[] = { 0.7, 0.7, 0.7, 1.0 };
@@ -260,7 +260,7 @@ void display(void)
     glFlush();
 }
 
-void myReshape(int w, int h)
+static void myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
     glMatrixMode(GL_PROJECTION);
diff --git a/progs/redbook/mipmap.c b/progs/redbook/mipmap.c
index d32dd725f4..dadde055be 100644
--- a/progs/redbook/mipmap.c
+++ b/progs/redbook/mipmap.c
@@ -54,7 +54,7 @@ GLubyte mipmapImage4[4][4][3];
 GLubyte mipmapImage2[2][2][3];
 GLubyte mipmapImage1[1][1][3];
 
-void makeImages(void)
+static void makeImages(void)
 {
     int i, j;
 
@@ -98,7 +98,7 @@ void makeImages(void)
     mipmapImage1[0][0][2] = 255;
 }
 
-void myinit(void)
+static void myinit(void)
 {
     glEnable(GL_DEPTH_TEST);
     glDepthFunc(GL_LESS);
@@ -128,7 +128,7 @@ void myinit(void)
     glEnable(GL_TEXTURE_2D);
 }
 
-void display(void)
+static void display(void)
 {
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
     glBegin(GL_QUADS);
@@ -140,7 +140,7 @@ void display(void)
     glFlush();
 }
 
-void myReshape(int w, int h)
+static void myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
     glMatrixMode(GL_PROJECTION);
diff --git a/progs/redbook/model.c b/progs/redbook/model.c
index 8411ef355f..f7c92f4f87 100644
--- a/progs/redbook/model.c
+++ b/progs/redbook/model.c
@@ -42,13 +42,13 @@
 #include <GL/glut.h>
 #include <stdlib.h>
 
-void init(void) 
+static void init(void) 
 {
    glClearColor (0.0, 0.0, 0.0, 0.0);
    glShadeModel (GL_FLAT);
 }
 
-void draw_triangle(void)
+static void draw_triangle(void)
 {
    glBegin (GL_LINE_LOOP);
    glVertex2f(0.0, 25.0);
@@ -57,7 +57,7 @@ void draw_triangle(void)
    glEnd();
 }
 
-void display(void)
+static void display(void)
 {
    glClear (GL_COLOR_BUFFER_BIT);
    glColor3f (1.0, 1.0, 1.0);
@@ -86,7 +86,7 @@ void display(void)
    glFlush ();
 }
 
-void reshape (int w, int h)
+static void reshape (int w, int h)
 {
    glViewport (0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode (GL_PROJECTION);
@@ -101,7 +101,7 @@ void reshape (int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/movelight.c b/progs/redbook/movelight.c
index a108cad439..93758a222a 100644
--- a/progs/redbook/movelight.c
+++ b/progs/redbook/movelight.c
@@ -58,7 +58,7 @@ static int spin = 0;
 /*  Initialize material property, light source, lighting model,
  *  and depth buffer.
  */
-void init(void) 
+static void init(void) 
 {
    glClearColor (0.0, 0.0, 0.0, 0.0);
    glShadeModel (GL_SMOOTH);
@@ -72,7 +72,7 @@ void init(void)
  *  light at a new position in world coordinates.  The cube
  *  represents the position of the light.
  */
-void display(void)
+static void display(void)
 {
    GLfloat position[] = { 0.0, 0.0, 1.5, 1.0 };
 
@@ -96,7 +96,7 @@ void display(void)
    glFlush ();
 }
 
-void reshape (int w, int h)
+static void reshape (int w, int h)
 {
    glViewport (0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode (GL_PROJECTION);
@@ -107,7 +107,7 @@ void reshape (int w, int h)
 }
 
 /* ARGSUSED2 */
-void mouse(int button, int state, int x, int y)
+static void mouse(int button, int state, int x, int y)
 {
    switch (button) {
       case GLUT_LEFT_BUTTON:
@@ -122,7 +122,7 @@ void mouse(int button, int state, int x, int y)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/nurbs.c b/progs/redbook/nurbs.c
index a7c6f0c696..fe03ce667e 100644
--- a/progs/redbook/nurbs.c
+++ b/progs/redbook/nurbs.c
@@ -89,7 +89,7 @@ GLUnurbsObj *theNurb;
 /*  Initialize material property, light source, lighting model,
  *  and depth buffer.
  */
-void myinit(void)
+static void myinit(void)
 {
     GLfloat mat_ambient[] = { 1.0, 1.0, 1.0, 1.0 };
     GLfloat mat_diffuse[] = { 1.0, 0.2, 1.0, 1.0 };
@@ -122,7 +122,7 @@ void myinit(void)
     gluNurbsProperty(theNurb, GLU_DISPLAY_MODE, GLU_FILL);
 }
 
-void display(void)
+static void display(void)
 {
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
@@ -147,7 +147,7 @@ void display(void)
     glFlush();
 }
 
-void myReshape(int w, int h)
+static void myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
     glMatrixMode(GL_PROJECTION);
diff --git a/progs/redbook/pickdepth.c b/progs/redbook/pickdepth.c
index ad5bdc8199..91d44a38c0 100644
--- a/progs/redbook/pickdepth.c
+++ b/progs/redbook/pickdepth.c
@@ -51,7 +51,7 @@
 #include <stdio.h>
 #include <GL/glut.h>
 
-void
+static void
 myinit(void)
 {
   glClearColor(0.0, 0.0, 0.0, 0.0);
@@ -65,7 +65,7 @@ myinit(void)
  *  each rectangle is given the same name.  Note that
  *  each rectangle is drawn with a different z value.
  */
-void
+static void
 drawRects(GLenum mode)
 {
   if (mode == GL_SELECT)
@@ -100,7 +100,7 @@ drawRects(GLenum mode)
 /*  processHits() prints out the contents of the
  *  selection array.
  */
-void
+static void
 processHits(GLint hits, GLuint buffer[])
 {
   GLint i;
@@ -131,7 +131,7 @@ processHits(GLint hits, GLuint buffer[])
  */
 #define BUFSIZE 512
 
-void
+static void
 pickRects(int button, int state, int x, int y)
 {
   GLuint selectBuf[BUFSIZE];
@@ -164,7 +164,7 @@ pickRects(int button, int state, int x, int y)
   processHits(hits, selectBuf);
 }
 
-void
+static void
 display(void)
 {
   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@@ -172,7 +172,7 @@ display(void)
   glutSwapBuffers();
 }
 
-void
+static void
 myReshape(int w, int h)
 {
   glViewport(0, 0, w, h);
diff --git a/progs/redbook/picksquare.c b/progs/redbook/picksquare.c
index 636edc97b4..cc092dbf53 100644
--- a/progs/redbook/picksquare.c
+++ b/progs/redbook/picksquare.c
@@ -49,7 +49,7 @@
 int board[3][3];   /*  amount of color for each square	*/
 
 /*  Clear color value for every square on the board   */
-void init(void)
+static void init(void)
 {
    int i, j;
    for (i = 0; i < 3; i++) 
@@ -64,7 +64,7 @@ void init(void)
  *  square is determined by its position on the grid, and 
  *  the value in the board[][] array.
  */
-void drawSquares(GLenum mode)
+static void drawSquares(GLenum mode)
 {
    GLuint i, j;
    for (i = 0; i < 3; i++) {
@@ -85,7 +85,7 @@ void drawSquares(GLenum mode)
 /*  processHits prints out the contents of the 
  *  selection array.
  */
-void processHits (GLint hits, GLuint buffer[])
+static void processHits (GLint hits, GLuint buffer[])
 {
    GLint i;
    GLuint j, ii = 0, jj = 0, names, *ptr;
@@ -117,7 +117,7 @@ void processHits (GLint hits, GLuint buffer[])
  */
 #define BUFSIZE 512
 
-void pickSquares(int button, int state, int x, int y)
+static void pickSquares(int button, int state, int x, int y)
 {
    GLuint selectBuf[BUFSIZE];
    GLint hits;
@@ -152,14 +152,14 @@ void pickSquares(int button, int state, int x, int y)
    glutPostRedisplay();
 } 
 
-void display(void)
+static void display(void)
 {
    glClear(GL_COLOR_BUFFER_BIT);
    drawSquares (GL_RENDER);
    glFlush();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, w, h);
    glMatrixMode(GL_PROJECTION);
@@ -170,7 +170,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/plane.c b/progs/redbook/plane.c
index dc17f7b238..2c2e2d24d9 100644
--- a/progs/redbook/plane.c
+++ b/progs/redbook/plane.c
@@ -47,7 +47,7 @@
 
 /*  Initialize material property, light source, and lighting model.
  */
-void myinit(void)
+static void myinit(void)
 {
     GLfloat mat_ambient[] = { 0.0, 0.0, 0.0, 1.0 };
 /*   mat_specular and mat_shininess are NOT default values	*/
@@ -75,7 +75,7 @@ void myinit(void)
     glEnable(GL_DEPTH_TEST);
 }
 
-void drawPlane(void)
+static void drawPlane(void)
 {
     glBegin (GL_QUADS);
     glNormal3f (0.0, 0.0, 1.0);
@@ -104,7 +104,7 @@ void drawPlane(void)
     glEnd();
 }
 
-void display (void)
+static void display (void)
 {
     GLfloat infinite_light[] = { 1.0, 1.0, 1.0, 0.0 };
     GLfloat local_light[] = { 1.0, 1.0, 1.0, 1.0 };
@@ -125,7 +125,7 @@ void display (void)
     glFlush ();
 }
 
-void myReshape(int w, int h)
+static void myReshape(int w, int h)
 {
     glViewport (0, 0, w, h);
     glMatrixMode (GL_PROJECTION);
diff --git a/progs/redbook/planet.c b/progs/redbook/planet.c
index e13672d3f6..cc428b4e42 100644
--- a/progs/redbook/planet.c
+++ b/progs/redbook/planet.c
@@ -47,13 +47,13 @@
 
 static int year = 0, day = 0;
 
-void init(void) 
+static void init(void) 
 {
    glClearColor (0.0, 0.0, 0.0, 0.0);
    glShadeModel (GL_FLAT);
 }
 
-void display(void)
+static void display(void)
 {
    glClear (GL_COLOR_BUFFER_BIT);
    glColor3f (1.0, 1.0, 1.0);
@@ -68,7 +68,7 @@ void display(void)
    glutSwapBuffers();
 }
 
-void reshape (int w, int h)
+static void reshape (int w, int h)
 {
    glViewport (0, 0, (GLsizei) w, (GLsizei) h); 
    glMatrixMode (GL_PROJECTION);
@@ -80,7 +80,7 @@ void reshape (int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard (unsigned char key, int x, int y)
+static void keyboard (unsigned char key, int x, int y)
 {
    switch (key) {
       case 'd':
diff --git a/progs/redbook/polyoff.c b/progs/redbook/polyoff.c
index de34b2e767..0e0ce86ec9 100644
--- a/progs/redbook/polyoff.c
+++ b/progs/redbook/polyoff.c
@@ -60,7 +60,7 @@ GLboolean doubleBuffer;
 /*  display() draws two spheres, one with a gray, diffuse material,
  *  the other sphere with a magenta material with a specular highlight.
  */
-void display (void)
+static void display (void)
 {
     GLfloat gray[] = { 0.8, 0.8, 0.8, 1.0 };
     GLfloat black[] = { 0.0, 0.0, 0.0, 1.0 };
@@ -108,7 +108,7 @@ void display (void)
  *  create display list with sphere
  *  initialize lighting and depth buffer
  */
-void gfxinit (void)
+static void gfxinit (void)
 {
     GLfloat light_ambient[] = { 0.0, 0.0, 0.0, 1.0 };
     GLfloat light_diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
@@ -134,7 +134,7 @@ void gfxinit (void)
 }
 
 /*  call when window is resized  */
-void reshape(int width, int height)
+static void reshape(int width, int height)
 {
     glViewport (0, 0, width, height);
     glMatrixMode (GL_PROJECTION);
@@ -176,7 +176,7 @@ static void Benchmark( float xdiff, float ydiff )
 
 /*  call when mouse button is pressed  */
 /* ARGSUSED2 */
-void mouse(int button, int state, int x, int y) {
+static void mouse(int button, int state, int x, int y) {
     switch (button) {
 	case GLUT_LEFT_BUTTON:
 	    switch (state) {
@@ -213,7 +213,7 @@ void mouse(int button, int state, int x, int y) {
 }
 
 /* ARGSUSED1 */
-void keyboard (unsigned char key, int x, int y)
+static void keyboard (unsigned char key, int x, int y)
 {
    switch (key) {
       case 't':
@@ -268,20 +268,7 @@ void keyboard (unsigned char key, int x, int y)
    fflush(stdout);
 }
 
-static void
-key(unsigned char k, int x, int y)
-{
-  switch (k) {
-  case 27:  /* Escape */
-    exit(0);
-    break;
-  default:
-    return;
-  }
-  glutPostRedisplay();
-}
-
-GLenum Args(int argc, char **argv)
+static GLenum Args(int argc, char **argv)
 {
     GLint i;
 
diff --git a/progs/redbook/polys.c b/progs/redbook/polys.c
index 409abd1753..eeffe2301c 100644
--- a/progs/redbook/polys.c
+++ b/progs/redbook/polys.c
@@ -44,7 +44,7 @@
 #include <stdlib.h>
 #include <GL/glut.h>
 
-void display(void)
+static void display(void)
 {
     GLubyte fly[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 0x03, 0x80, 0x01, 0xC0, 0x06, 0xC0, 0x03, 0x60, 0x04, 0x60, 0x06, 0x20,
@@ -89,7 +89,7 @@ void display(void)
     glFlush ();
 }
 
-void myinit (void)
+static void myinit (void)
 {
 /*  clear background to black	*/
     glClearColor (0.0, 0.0, 0.0, 0.0);
diff --git a/progs/redbook/quadric.c b/progs/redbook/quadric.c
index 4e46c85f82..1cbd395e47 100644
--- a/progs/redbook/quadric.c
+++ b/progs/redbook/quadric.c
@@ -54,7 +54,7 @@
 
 GLuint startList;
 
-void CALLBACK errorCallback(GLenum errorCode)
+static void CALLBACK errorCallback(GLenum errorCode)
 {
    const GLubyte *estring;
 
@@ -63,7 +63,7 @@ void CALLBACK errorCallback(GLenum errorCode)
    exit(0);
 }
 
-void init(void) 
+static void init(void) 
 {
    GLUquadricObj *qobj;
    GLfloat mat_ambient[] = { 0.5, 0.5, 0.5, 1.0 };
@@ -116,9 +116,11 @@ void init(void)
    glNewList(startList+3, GL_COMPILE);
       gluPartialDisk(qobj, 0.0, 1.0, 20, 4, 0.0, 225.0);
    glEndList();
+
+   gluDeleteQuadric(qobj);
 }
 
-void display(void)
+static void display(void)
 {
    glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glPushMatrix();
@@ -148,7 +150,7 @@ void display(void)
    glFlush();
 }
 
-void reshape (int w, int h)
+static void reshape (int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -164,7 +166,7 @@ void reshape (int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/robot.c b/progs/redbook/robot.c
index 94e20ac71e..c90b72ab3e 100644
--- a/progs/redbook/robot.c
+++ b/progs/redbook/robot.c
@@ -47,13 +47,13 @@
 
 static int shoulder = 0, elbow = 0;
 
-void init(void) 
+static void init(void) 
 {
   glClearColor (0.0, 0.0, 0.0, 0.0);
   glShadeModel (GL_FLAT);
 }
 
-void display(void)
+static void display(void)
 {
    glClear (GL_COLOR_BUFFER_BIT);
    glPushMatrix();
@@ -77,7 +77,7 @@ void display(void)
    glutSwapBuffers();
 }
 
-void reshape (int w, int h)
+static void reshape (int w, int h)
 {
    glViewport (0, 0, (GLsizei) w, (GLsizei) h); 
    glMatrixMode (GL_PROJECTION);
@@ -89,7 +89,7 @@ void reshape (int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard (unsigned char key, int x, int y)
+static void keyboard (unsigned char key, int x, int y)
 {
    switch (key) {
       case 's':
diff --git a/progs/redbook/sccolorlight.c b/progs/redbook/sccolorlight.c
index 0ea750e584..d9e0a254e9 100644
--- a/progs/redbook/sccolorlight.c
+++ b/progs/redbook/sccolorlight.c
@@ -49,7 +49,7 @@
 
 /*  Initialize material property and light source.
  */
-void myinit(void)
+static void myinit(void)
 {
     GLfloat light_ambient[] = { 0.0, 0.0, 0.0, 1.0 };
     GLfloat light_diffuse[] = { 1.0, 0.0, 1.0, 1.0 };
@@ -68,7 +68,7 @@ void myinit(void)
     glEnable(GL_DEPTH_TEST);
 }
 
-void display(void)
+static void display(void)
 {
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
     glPushMatrix ();
@@ -95,7 +95,7 @@ void display(void)
     glFlush();
 }
 
-void myReshape(int w, int h)
+static void myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
     glMatrixMode(GL_PROJECTION);
diff --git a/progs/redbook/scene.c b/progs/redbook/scene.c
index c3abc727b7..6f336a8db4 100644
--- a/progs/redbook/scene.c
+++ b/progs/redbook/scene.c
@@ -48,7 +48,7 @@
 
 /*  Initialize material property and light source.
  */
-void myinit (void)
+static void myinit (void)
 {
     GLfloat light_ambient[] = { 0.0, 0.0, 0.0, 1.0 };
     GLfloat light_diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
@@ -67,7 +67,7 @@ void myinit (void)
     glEnable(GL_DEPTH_TEST);
 }
 
-void display (void)
+static void display (void)
 {
     glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
@@ -95,7 +95,7 @@ void display (void)
     glFlush ();
 }
 
-void myReshape(int w, int h)
+static void myReshape(int w, int h)
 {
     glViewport (0, 0, w, h);
     glMatrixMode (GL_PROJECTION);
diff --git a/progs/redbook/scenebamb.c b/progs/redbook/scenebamb.c
index e7264d2003..ea605f8c73 100644
--- a/progs/redbook/scenebamb.c
+++ b/progs/redbook/scenebamb.c
@@ -47,7 +47,7 @@
 
 /*  Initialize light source and lighting.
  */
-void myinit(void)
+static void myinit(void)
 {
     GLfloat light_ambient[] = { 0.0, 0.0, 1.0, 1.0 };
     GLfloat light_diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
@@ -66,7 +66,7 @@ void myinit(void)
     glEnable(GL_DEPTH_TEST);
 }
 
-void display(void)
+static void display(void)
 {
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
@@ -94,7 +94,7 @@ void display(void)
     glFlush();
 }
 
-void myReshape(int w, int h)
+static void myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
     glMatrixMode(GL_PROJECTION);
diff --git a/progs/redbook/sceneflat.c b/progs/redbook/sceneflat.c
index 10891fb997..1b277334f5 100644
--- a/progs/redbook/sceneflat.c
+++ b/progs/redbook/sceneflat.c
@@ -46,7 +46,7 @@
 
 /*  Initialize light source and shading model (GL_FLAT).
  */
-void myinit(void)
+static void myinit(void)
 {
     GLfloat light_ambient[] = { 0.0, 0.0, 0.0, 1.0 };
     GLfloat light_diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
@@ -66,7 +66,7 @@ void myinit(void)
     glShadeModel (GL_FLAT);
 }
 
-void display(void)
+static void display(void)
 {
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
@@ -94,7 +94,7 @@ void display(void)
     glFlush();
 }
 
-void myReshape(int w, int h)
+static void myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
     glMatrixMode(GL_PROJECTION);
diff --git a/progs/redbook/select.c b/progs/redbook/select.c
index 928373b879..537d5194d4 100644
--- a/progs/redbook/select.c
+++ b/progs/redbook/select.c
@@ -57,7 +57,7 @@
 /* draw a triangle with vertices at (x1, y1), (x2, y2) 
  * and (x3, y3) at z units away from the origin.
  */
-void drawTriangle (GLfloat x1, GLfloat y1, GLfloat x2, 
+static void drawTriangle (GLfloat x1, GLfloat y1, GLfloat x2, 
     GLfloat y2, GLfloat x3, GLfloat y3, GLfloat z)
 {
    glBegin (GL_TRIANGLES);
@@ -68,8 +68,8 @@ void drawTriangle (GLfloat x1, GLfloat y1, GLfloat x2,
 }
 
 /* draw a rectangular box with these outer x, y, and z values */
-void drawViewVolume (GLfloat x1, GLfloat x2, GLfloat y1, 
-                     GLfloat y2, GLfloat z1, GLfloat z2)
+static void drawViewVolume (GLfloat x1, GLfloat x2, GLfloat y1, 
+                            GLfloat y2, GLfloat z1, GLfloat z2)
 {
    glColor3f (1.0, 1.0, 1.0);
    glBegin (GL_LINE_LOOP);
@@ -101,7 +101,7 @@ void drawViewVolume (GLfloat x1, GLfloat x2, GLfloat y1,
 /* drawScene draws 4 triangles and a wire frame
  * which represents the viewing volume.
  */
-void drawScene (void)
+static void drawScene (void)
 {
    glMatrixMode (GL_PROJECTION);
    glLoadIdentity ();
@@ -122,7 +122,7 @@ void drawScene (void)
 
 /* processHits prints out the contents of the selection array
  */
-void processHits (GLint hits, GLuint buffer[])
+static void processHits (GLint hits, GLuint buffer[])
 {
    GLint i;
    GLuint j, names, *ptr;
@@ -150,7 +150,7 @@ void processHits (GLint hits, GLuint buffer[])
  */
 #define BUFSIZE 512
 
-void selectObjects(void)
+static void selectObjects(void)
 {
    GLuint selectBuf[BUFSIZE];
    GLint hits;
@@ -181,13 +181,13 @@ void selectObjects(void)
    processHits (hits, selectBuf);
 } 
 
-void init (void) 
+static void init (void) 
 {
    glEnable(GL_DEPTH_TEST);
    glShadeModel(GL_FLAT);
 }
 
-void display(void)
+static void display(void)
 {
    glClearColor (0.0, 0.0, 0.0, 0.0);
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@@ -197,7 +197,7 @@ void display(void)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/smooth.c b/progs/redbook/smooth.c
index 9d22fc9025..874033d5ad 100644
--- a/progs/redbook/smooth.c
+++ b/progs/redbook/smooth.c
@@ -43,13 +43,13 @@
 #include <GL/glut.h>
 #include <stdlib.h>
 
-void init(void) 
+static void init(void) 
 {
    glClearColor (0.0, 0.0, 0.0, 0.0);
    glShadeModel (GL_SMOOTH);
 }
 
-void triangle(void)
+static void triangle(void)
 {
    glBegin (GL_TRIANGLES);
    glColor3f (1.0, 0.0, 0.0);
@@ -61,14 +61,14 @@ void triangle(void)
    glEnd();
 }
 
-void display(void)
+static void display(void)
 {
    glClear (GL_COLOR_BUFFER_BIT);
    triangle ();
    glFlush ();
 }
 
-void reshape (int w, int h)
+static void reshape (int w, int h)
 {
    glViewport (0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode (GL_PROJECTION);
@@ -81,7 +81,7 @@ void reshape (int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/stencil.c b/progs/redbook/stencil.c
index b33e40a030..5325abf8b7 100644
--- a/progs/redbook/stencil.c
+++ b/progs/redbook/stencil.c
@@ -64,7 +64,7 @@
 #define YELLOWMAT   1
 #define BLUEMAT 2
 
-void myinit (void)
+static void myinit (void)
 {
     GLfloat yellow_diffuse[] = { 0.7, 0.7, 0.0, 1.0 };
     GLfloat yellow_specular[] = { 1.0, 1.0, 1.0, 1.0 };
@@ -101,7 +101,7 @@ void myinit (void)
 /*  Draw a sphere in a diamond-shaped section in the
  *  middle of a window with 2 tori.
  */
-void display(void)
+static void display(void)
 {
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
@@ -132,7 +132,7 @@ void display(void)
 /*  Whenever the window is reshaped, redefine the
  *  coordinate system and redraw the stencil area.
  */
-void myReshape(int w, int h)
+static void myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
 
diff --git a/progs/redbook/stroke.c b/progs/redbook/stroke.c
index 19b0391cba..68b639abf4 100644
--- a/progs/redbook/stroke.c
+++ b/progs/redbook/stroke.c
@@ -87,7 +87,7 @@ CP Sdata[] = {
 /*  drawLetter() interprets the instructions from the array
  *  for that letter and renders the letter with line segments.
  */
-void drawLetter(CP *l)
+static void drawLetter(CP *l)
 {
     glBegin(GL_LINE_STRIP);
     for (;;) {
@@ -111,7 +111,7 @@ void drawLetter(CP *l)
 }
 
 /*  Create a display list for each of 6 characters	*/
-void myinit (void)
+static void myinit (void)
 {
     GLuint base;
 
@@ -130,13 +130,13 @@ void myinit (void)
 char *test1 = "A SPARE SERAPE APPEARS AS";
 char *test2 = "APES PREPARE RARE PEPPERS";
 
-void printStrokedString(char *s)
+static void printStrokedString(char *s)
 {
     GLsizei len = (GLsizei) strlen(s);
     glCallLists(len, GL_BYTE, (GLbyte *)s);
 }
 
-void display(void)
+static void display(void)
 {
     glClear(GL_COLOR_BUFFER_BIT);
     glColor3f(1.0, 1.0, 1.0);
diff --git a/progs/redbook/surface.c b/progs/redbook/surface.c
index e33ce14f4f..f0c5ab0b47 100644
--- a/progs/redbook/surface.c
+++ b/progs/redbook/surface.c
@@ -53,7 +53,7 @@ GLUnurbsObj *theNurb;
  *  Initializes the control points of the surface to a small hill.
  *  The control points range from -3 to +3 in x, y, and z
  */
-void init_surface(void)
+static void init_surface(void)
 {
     int u, v;
     for (u = 0; u < 4; u++) {
@@ -71,7 +71,7 @@ void init_surface(void)
 
 /*  Initialize material property and depth buffer.
  */
-void myinit(void)
+static void myinit(void)
 {
     GLfloat mat_diffuse[] = { 0.7, 0.7, 0.7, 1.0 };
     GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
@@ -100,7 +100,7 @@ void myinit(void)
     glTranslatef (0.0, 0.0, -5.0);
 }
 
-void display(void)
+static void display(void)
 {
     GLfloat knots[8] = {0.0, 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0};
     int i, j;
@@ -140,7 +140,7 @@ void display(void)
     glutSwapBuffers();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
     glViewport(0, 0, w, h);
     glMatrixMode(GL_PROJECTION);
@@ -150,7 +150,7 @@ void reshape(int w, int h)
     glMatrixMode(GL_MODELVIEW);
 }
 
-void
+static void
 menu(int value)
 {
     switch (value) {
@@ -171,7 +171,7 @@ menu(int value)
 int down = 0, lastx;
 
 /* ARGSUSED1 */
-void
+static void
 motion(int x, int y)
 {
     if (down) {
@@ -182,7 +182,7 @@ motion(int x, int y)
 }
 
 /* ARGSUSED3 */
-void
+static void
 mouse(int button, int state, int x, int y)
 {
     if (button == GLUT_LEFT_BUTTON) {
diff --git a/progs/redbook/teaambient.c b/progs/redbook/teaambient.c
index 53b5111752..20ff1a4a33 100644
--- a/progs/redbook/teaambient.c
+++ b/progs/redbook/teaambient.c
@@ -47,7 +47,7 @@
 
 /*  Initialize light source and lighting model.
  */
-void
+static void
 myinit(void)
 {
     GLfloat light_ambient[] =
@@ -78,7 +78,7 @@ myinit(void)
     glEnable(GL_DEPTH_TEST);
 }
 
-void
+static void
 display(void)
 {
     GLfloat low_ambient[] =
@@ -114,7 +114,7 @@ display(void)
     glFlush();
 }
 
-void
+static void
 myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
diff --git a/progs/redbook/teapots.c b/progs/redbook/teapots.c
index fb7aed380e..102c18a3e3 100644
--- a/progs/redbook/teapots.c
+++ b/progs/redbook/teapots.c
@@ -49,7 +49,7 @@
  * Initialize depth buffer, projection matrix, light source, and lighting
  * model.  Do not specify a material property here.
  */
-void
+static void
 myinit(void)
 {
   GLfloat ambient[] =
@@ -83,7 +83,7 @@ myinit(void)
  * Move object into position.  Use 3rd through 12th parameters to specify the
  * material property.  Draw a teapot.
  */
-void
+static void
 renderTeapot(GLfloat x, GLfloat y,
   GLfloat ambr, GLfloat ambg, GLfloat ambb,
   GLfloat difr, GLfloat difg, GLfloat difb,
@@ -117,7 +117,7 @@ renderTeapot(GLfloat x, GLfloat y,
  *  3rd column:  black, cyan, green, red, white, yellow plastic
  *  4th column:  black, cyan, green, red, white, yellow rubber
  */
-void
+static void
 display(void)
 {
   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@@ -173,7 +173,7 @@ display(void)
   glFlush();
 }
 
-void
+static void
 myReshape(int w, int h)
 {
   glViewport(0, 0, w, h);
diff --git a/progs/redbook/tess.c b/progs/redbook/tess.c
index 238a469aff..0bf8a8eb98 100644
--- a/progs/redbook/tess.c
+++ b/progs/redbook/tess.c
@@ -61,7 +61,7 @@
 
 GLuint startList;
 
-void display (void) {
+static void display (void) {
    glClear(GL_COLOR_BUFFER_BIT);
    glColor3f(1.0, 1.0, 1.0);
    glCallList(startList);
@@ -69,12 +69,12 @@ void display (void) {
    glFlush();
 }
 
-void CALLBACK beginCallback(GLenum which)
+static void CALLBACK beginCallback(GLenum which)
 {
    glBegin(which);
 }
 
-void CALLBACK errorCallback(GLenum errorCode)
+static void CALLBACK errorCallback(GLenum errorCode)
 {
    const GLubyte *estring;
 
@@ -83,12 +83,12 @@ void CALLBACK errorCallback(GLenum errorCode)
    exit(0);
 }
 
-void CALLBACK endCallback(void)
+static void CALLBACK endCallback(void)
 {
    glEnd();
 }
 
-void CALLBACK vertexCallback(GLvoid *vertex)
+static void CALLBACK vertexCallback(GLvoid *vertex)
 {
    const GLdouble *pointer;
 
@@ -102,7 +102,7 @@ void CALLBACK vertexCallback(GLvoid *vertex)
  *  but weight[4] may be used to average color, normal, or texture
  *  coordinate data.  In this program, color is weighted.
  */
-void CALLBACK combineCallback(GLdouble coords[3],
+static void CALLBACK combineCallback(GLdouble coords[3],
                      GLdouble *vertex_data[4],
                      GLfloat weight[4], GLdouble **dataOut )
 {
@@ -122,7 +122,7 @@ void CALLBACK combineCallback(GLdouble coords[3],
    *dataOut = vertex;
 }
 
-void init (void)
+static void init (void)
 {
    GLUtesselator *tobj;
    GLdouble rect[4][3] = {{50.0, 50.0, 0.0},
@@ -199,7 +199,7 @@ void init (void)
    gluDeleteTess(tobj);
 }
 
-void reshape (int w, int h)
+static void reshape (int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -208,7 +208,7 @@ void reshape (int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/tesswind.c b/progs/redbook/tesswind.c
index 7d00c9f907..4729880a57 100644
--- a/progs/redbook/tesswind.c
+++ b/progs/redbook/tesswind.c
@@ -61,7 +61,7 @@ GLuint list;
 /*  Make four display lists, 
  *  each with a different tessellated object. 
  */
-void makeNewLists (void) {
+static void makeNewLists (void) {
    int i;
    static GLdouble rects[12][3] = 
       {{ 50.0,  50.0, 0.0}, {300.0,  50.0, 0.0}, 
@@ -153,7 +153,7 @@ void makeNewLists (void) {
    glEndList();
 }
 
-void display (void) {
+static void display (void) {
    glClear(GL_COLOR_BUFFER_BIT);
    glColor3f(1.0, 1.0, 1.0);
    glPushMatrix(); 
@@ -168,12 +168,12 @@ void display (void) {
    glFlush();
 }
 
-void CALLBACK beginCallback(GLenum which)
+static void CALLBACK beginCallback(GLenum which)
 {
    glBegin(which);
 }
 
-void CALLBACK errorCallback(GLenum errorCode)
+static void CALLBACK errorCallback(GLenum errorCode)
 {
    const GLubyte *estring;
 
@@ -182,7 +182,7 @@ void CALLBACK errorCallback(GLenum errorCode)
    exit(0);
 }
 
-void CALLBACK endCallback(void)
+static void CALLBACK endCallback(void)
 {
    glEnd();
 }
@@ -193,7 +193,7 @@ void CALLBACK endCallback(void)
  *  coordinate data.
  */
 /* ARGSUSED */
-void CALLBACK combineCallback(GLdouble coords[3], GLdouble *data[4],
+static void CALLBACK combineCallback(GLdouble coords[3], GLdouble *data[4],
                      GLfloat weight[4], GLdouble **dataOut )
 {
    GLdouble *vertex;
@@ -205,7 +205,7 @@ void CALLBACK combineCallback(GLdouble coords[3], GLdouble *data[4],
    *dataOut = vertex;
 }
 
-void init(void) 
+static void init(void) 
 {
    glClearColor(0.0, 0.0, 0.0, 0.0);
    glShadeModel(GL_FLAT);    
@@ -226,7 +226,7 @@ void init(void)
    makeNewLists();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -240,7 +240,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 'w':
diff --git a/progs/redbook/texbind.c b/progs/redbook/texbind.c
index 6a828ab2bd..b6404b32d8 100644
--- a/progs/redbook/texbind.c
+++ b/progs/redbook/texbind.c
@@ -52,7 +52,7 @@ static GLubyte otherImage[checkImageHeight][checkImageWidth][4];
 
 static GLuint texName[2];
 
-void makeCheckImages(void)
+static void makeCheckImages(void)
 {
    int i, j, c;
 
@@ -72,7 +72,7 @@ void makeCheckImages(void)
    }
 }
 
-void init(void)
+static void init(void)
 {
    glClearColor (0.0, 0.0, 0.0, 0.0);
    glShadeModel(GL_FLAT);
@@ -105,7 +105,7 @@ void init(void)
    glEnable(GL_TEXTURE_2D);
 }
 
-void display(void)
+static void display(void)
 {
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glBindTexture(GL_TEXTURE_2D, texName[0]);
@@ -125,7 +125,7 @@ void display(void)
    glFlush();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -137,7 +137,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/texgen.c b/progs/redbook/texgen.c
index 7c1802a3be..5cb97e5a43 100644
--- a/progs/redbook/texgen.c
+++ b/progs/redbook/texgen.c
@@ -60,7 +60,7 @@ GLubyte stripeImage[4*stripeImageWidth];
 static GLuint texName;
 #endif
 
-void makeStripeImage(void)
+static void makeStripeImage(void)
 {
    int j;
     
@@ -79,7 +79,7 @@ static GLfloat *currentCoeff;
 static GLenum currentPlane;
 static GLint currentGenMode;
 
-void init(void)
+static void init(void)
 {
    glClearColor (0.0, 0.0, 0.0, 0.0);
    glEnable(GL_DEPTH_TEST);
@@ -122,7 +122,7 @@ void init(void)
    glMaterialf (GL_FRONT, GL_SHININESS, 64.0);
 }
 
-void display(void)
+static void display(void)
 {
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
@@ -136,7 +136,7 @@ void display(void)
    glFlush();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -152,7 +152,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard (unsigned char key, int x, int y)
+static void keyboard (unsigned char key, int x, int y)
 {
    switch (key) {
       case 'e':
diff --git a/progs/redbook/texprox.c b/progs/redbook/texprox.c
index 6f1e853fac..c2d699a71b 100644
--- a/progs/redbook/texprox.c
+++ b/progs/redbook/texprox.c
@@ -53,7 +53,7 @@
 #define GL_TEXTURE_INTERNAL_FORMAT GL_TEXTURE_COMPONENTS
 #endif
 
-void init(void) 
+static void init(void) 
 {
    GLint proxyComponents;
 
@@ -84,12 +84,12 @@ void init(void)
    putchar('\n');
 }
 
-void display(void)
+static void display(void)
 {
    exit(0);
 }
 
-void reshape (int w, int h)
+static void reshape (int w, int h)
 {
    glViewport (0, 0, (GLsizei) w, (GLsizei) h); 
    glMatrixMode (GL_PROJECTION);
diff --git a/progs/redbook/texsub.c b/progs/redbook/texsub.c
index 4e829675ab..7827d5a45f 100644
--- a/progs/redbook/texsub.c
+++ b/progs/redbook/texsub.c
@@ -58,7 +58,7 @@ static GLubyte subImage[subImageHeight][subImageWidth][4];
 
 static GLuint texName;
 
-void makeCheckImages(void)
+static void makeCheckImages(void)
 {
    int i, j, c;
 
@@ -82,7 +82,7 @@ void makeCheckImages(void)
    }
 }
 
-void init(void)
+static void init(void)
 {
    glClearColor (0.0, 0.0, 0.0, 0.0);
    glShadeModel(GL_FLAT);
@@ -102,7 +102,7 @@ void init(void)
                 0, GL_RGBA, GL_UNSIGNED_BYTE, checkImage);
 }
 
-void display(void)
+static void display(void)
 {
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glEnable(GL_TEXTURE_2D);
@@ -123,7 +123,7 @@ void display(void)
    glDisable(GL_TEXTURE_2D);
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -135,7 +135,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard (unsigned char key, int x, int y)
+static void keyboard (unsigned char key, int x, int y)
 {
    switch (key) {
       case 's':
diff --git a/progs/redbook/texturesurf.c b/progs/redbook/texturesurf.c
index 0170070eaa..2023072dba 100644
--- a/progs/redbook/texturesurf.c
+++ b/progs/redbook/texturesurf.c
@@ -60,7 +60,7 @@ GLfloat ctrlpoints[4][4][3] = {
 GLfloat texpts[2][2][2] = {{{0.0, 0.0}, {0.0, 1.0}},
 			{{1.0, 0.0}, {1.0, 1.0}}};
 
-void display(void)
+static void display(void)
 {
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
     glColor3f(1.0, 1.0, 1.0);
@@ -72,7 +72,7 @@ void display(void)
 #define	imageHeight 64
 GLubyte image[3*imageWidth*imageHeight];
 
-void makeImage(void)
+static void makeImage(void)
 {
     int i, j;
     float ti, tj;
@@ -89,7 +89,7 @@ void makeImage(void)
     }
 }
 
-void myinit(void)
+static void myinit(void)
 {
     glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4,
 	    0, 1, 12, 4, &ctrlpoints[0][0][0]);
@@ -112,7 +112,7 @@ void myinit(void)
     glShadeModel (GL_FLAT);
 }
 
-void myReshape(int w, int h)
+static void myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
     glMatrixMode(GL_PROJECTION);
diff --git a/progs/redbook/torus.c b/progs/redbook/torus.c
index 7ae4d41e26..a67d48e0f5 100644
--- a/progs/redbook/torus.c
+++ b/progs/redbook/torus.c
@@ -89,7 +89,7 @@ static void init(void)
 }
 
 /* Clear window and draw torus */
-void display(void)
+static void display(void)
 {
    glClear(GL_COLOR_BUFFER_BIT);
    glColor3f (1.0, 1.0, 1.0);
@@ -98,7 +98,7 @@ void display(void)
 }
 
 /* Handle window resize */
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -112,7 +112,7 @@ void reshape(int w, int h)
 /* Rotate about x-axis when "x" typed; rotate about y-axis
    when "y" typed; "i" returns torus to original view */
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
    case 'x':
diff --git a/progs/redbook/trim.c b/progs/redbook/trim.c
index f17674f684..216f62a7c2 100644
--- a/progs/redbook/trim.c
+++ b/progs/redbook/trim.c
@@ -59,7 +59,7 @@ GLUnurbsObj *theNurb;
  *  Initializes the control points of the surface to a small hill.
  *  The control points range from -3 to +3 in x, y, and z
  */
-void init_surface(void)
+static void init_surface(void)
 {
    int u, v;
    for (u = 0; u < 4; u++) {
@@ -75,7 +75,7 @@ void init_surface(void)
    }
 }
 
-void nurbsError(GLenum errorCode)
+static void nurbsError(GLenum errorCode)
 {
    const GLubyte *estring;
 
@@ -86,7 +86,7 @@ void nurbsError(GLenum errorCode)
 			
 /*  Initialize material property and depth buffer.
  */
-void init(void)
+static void init(void)
 {
    GLfloat mat_diffuse[] = { 0.7, 0.7, 0.7, 1.0 };
    GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
@@ -112,7 +112,7 @@ void init(void)
                     (GLvoid (CALLBACK*) ()) nurbsError);
 }
 
-void display(void)
+static void display(void)
 {
    GLfloat knots[8] = {0.0, 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0};
    GLfloat edgePt[5][2] = /* counter clockwise */
@@ -147,7 +147,7 @@ void display(void)
    glFlush();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -160,7 +160,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/unproject.c b/progs/redbook/unproject.c
index 134c361bac..6d1c7dbede 100644
--- a/progs/redbook/unproject.c
+++ b/progs/redbook/unproject.c
@@ -45,14 +45,14 @@
 #include <stdlib.h>
 #include <stdio.h>
 
-void display(void)
+static void display(void)
 {
    glClear(GL_COLOR_BUFFER_BIT);
    glFlush();
 }
 
 /* Change these values for a different transformation  */
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport (0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -62,7 +62,7 @@ void reshape(int w, int h)
    glLoadIdentity();
 }
 
-void mouse(int button, int state, int x, int y) 
+static void mouse(int button, int state, int x, int y) 
 {
    GLint viewport[4];
    GLdouble mvmatrix[16], projmatrix[16];
@@ -98,7 +98,7 @@ void mouse(int button, int state, int x, int y)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/varray.c b/progs/redbook/varray.c
index b22e723e0e..8ce39d7763 100644
--- a/progs/redbook/varray.c
+++ b/progs/redbook/varray.c
@@ -54,7 +54,7 @@
 int setupMethod = POINTER;
 int derefMethod = DRAWARRAY;
 
-void setupPointers(void)
+static void setupPointers(void)
 {
    static GLint vertices[] = {25, 25,
                        100, 325,
@@ -76,7 +76,7 @@ void setupPointers(void)
    glColorPointer (3, GL_FLOAT, 0, colors);
 }
 
-void setupInterleave(void)
+static void setupInterleave(void)
 {
    static GLfloat intertwined[] =
       {1.0, 0.2, 1.0, 100.0, 100.0, 0.0,
@@ -89,14 +89,14 @@ void setupInterleave(void)
    glInterleavedArrays (GL_C3F_V3F, 0, intertwined);
 }
 
-void init(void) 
+static void init(void) 
 {
    glClearColor (0.0, 0.0, 0.0, 0.0);
    glShadeModel (GL_SMOOTH);
    setupPointers ();
 }
 
-void display(void)
+static void display(void)
 {
    glClear (GL_COLOR_BUFFER_BIT);
 
@@ -117,7 +117,7 @@ void display(void)
    glFlush ();
 }
 
-void reshape (int w, int h)
+static void reshape (int w, int h)
 {
    glViewport (0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode (GL_PROJECTION);
@@ -126,7 +126,7 @@ void reshape (int w, int h)
 }
 
 /* ARGSUSED2 */
-void mouse (int button, int state, int x, int y)
+static void mouse (int button, int state, int x, int y)
 {
    switch (button) {
       case GLUT_LEFT_BUTTON:
@@ -160,7 +160,7 @@ void mouse (int button, int state, int x, int y)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 27:
diff --git a/progs/redbook/wrap.c b/progs/redbook/wrap.c
index f9a1f162ab..67749716e8 100644
--- a/progs/redbook/wrap.c
+++ b/progs/redbook/wrap.c
@@ -59,7 +59,7 @@ static GLubyte checkImage[checkImageHeight][checkImageWidth][4];
 static GLuint texName;
 #endif
 
-void makeCheckImage(void)
+static void makeCheckImage(void)
 {
    int i, j, c;
     
@@ -74,7 +74,7 @@ void makeCheckImage(void)
    }
 }
 
-void init(void)
+static void init(void)
 {    
    glClearColor (0.0, 0.0, 0.0, 0.0);
    glShadeModel(GL_FLAT);
@@ -101,7 +101,7 @@ void init(void)
 #endif
 }
 
-void display(void)
+static void display(void)
 {
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glEnable(GL_TEXTURE_2D);
@@ -125,7 +125,7 @@ void display(void)
    glDisable(GL_TEXTURE_2D);
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -137,7 +137,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard (unsigned char key, int x, int y)
+static void keyboard (unsigned char key, int x, int y)
 {
    switch (key) {
       case 's':
diff --git a/progs/samples/.gitignore b/progs/samples/.gitignore
index f60d6e94ea..c15b886b88 100644
--- a/progs/samples/.gitignore
+++ b/progs/samples/.gitignore
@@ -36,6 +36,7 @@ prim
 quad
 readtex.c
 readtex.h
+rgbtoppm
 select
 shape
 sphere
diff --git a/progs/samples/Makefile b/progs/samples/Makefile
index b300e38b9c..64fa47addb 100644
--- a/progs/samples/Makefile
+++ b/progs/samples/Makefile
@@ -10,7 +10,7 @@ LIB_DEP = $(TOP)/$(LIB_DIR)/$(GL_LIB_NAME) $(TOP)/$(LIB_DIR)/$(GLU_LIB_NAME) $(T
 LIBS = -L$(TOP)/$(LIB_DIR) -l$(GLUT_LIB) -l$(GLEW_LIB) -l$(GLU_LIB) -l$(GL_LIB) $(APP_LIB_DEPS)
 
 PROGS = accum bitmap1 bitmap2 blendeq blendxor copy cursor depth eval fog \
-	font line logo nurb olympic overlay point prim quad select \
+	font line logo nurb olympic overlay point prim rgbtoppm quad select \
 	shape sphere star stencil stretch texture tri wave
 
 
diff --git a/progs/samples/SConscript b/progs/samples/SConscript
index 7a8a0d62d8..134dfa9980 100644
--- a/progs/samples/SConscript
+++ b/progs/samples/SConscript
@@ -1,23 +1,5 @@
 Import('*')
 
-if not env['GLUT']:
-    Return()
-
-env = env.Clone()
-
-env.Prepend(CPPPATH = [
-	'../util',
-])
-
-env.Prepend(LIBS = [
-	util,
-	'$GLUT_LIB'
-])
-
-if env['platform'] == 'windows':
-    env.Append(CPPDEFINES = ['NOMINMAX'])
-    env.Prepend(LIBS = ['winmm'])
-
 progs = [
     'accum',
     'bitmap1',
@@ -52,7 +34,7 @@ progs = [
 ]
 
 for prog in progs:
-    env.Program(
+    progs_env.Program(
         target = prog,
         source = prog + '.c',
     )
diff --git a/progs/samples/olympic.c b/progs/samples/olympic.c
index 5385e48702..209a8c141b 100644
--- a/progs/samples/olympic.c
+++ b/progs/samples/olympic.c
@@ -74,7 +74,7 @@ int iters[RINGS];
 GLuint theTorus;
 
 
-void FillTorus(float rc, int numc, float rt, int numt)
+static void FillTorus(float rc, int numc, float rt, int numt)
 {
     int i, j, k;
     double s, t;
@@ -106,7 +106,7 @@ void FillTorus(float rc, int numc, float rt, int numt)
     }
 }
 
-float Clamp(int iters_left, float t)
+static float Clamp(int iters_left, float t)
 {
     if (iters_left < 3) {
 	return 0.0;
@@ -114,7 +114,7 @@ float Clamp(int iters_left, float t)
     return (iters_left-2)*t/iters_left;
 }
 
-void DrawScene(void)
+static void DrawScene(void)
 {
     int i, j;
     GLboolean goIdle;
@@ -172,7 +172,7 @@ void DrawScene(void)
     }
 }
 
-float MyRand(void)
+static float MyRand(void)
 {
    return 10.0 * ( (float) rand() / (float) RAND_MAX - 0.5 );
 }
@@ -181,12 +181,12 @@ float MyRand(void)
 #define GLUTCALLBACK
 #endif
 
-void GLUTCALLBACK glut_post_redisplay_p(void)
+static void GLUTCALLBACK glut_post_redisplay_p(void)
 {
       glutPostRedisplay();
 }
 
-void ReInit(void)
+static void ReInit(void)
 {
     int i;
     float deviation;
@@ -206,7 +206,7 @@ void ReInit(void)
     glutIdleFunc(glut_post_redisplay_p);
 }
 
-void Init(void)
+static void Init(void)
 {
     float base, height;
     float aspect, x, y;
@@ -312,13 +312,13 @@ void Init(void)
     glMatrixMode(GL_MODELVIEW);
 }
 
-void Reshape(int width, int height)
+static void Reshape(int width, int height)
 {
 
     glViewport(0, 0, width, height);
 }
 
-void Key(unsigned char key, int x, int y)
+static void Key(unsigned char key, int x, int y)
 {
 
     switch (key) {
@@ -330,7 +330,7 @@ void Key(unsigned char key, int x, int y)
     }
 }
 
-GLenum Args(int argc, char **argv)
+static GLenum Args(int argc, char **argv)
 {
     GLint i;
 
diff --git a/progs/samples/overlay.c b/progs/samples/overlay.c
index 23b5a4793b..6087cef281 100644
--- a/progs/samples/overlay.c
+++ b/progs/samples/overlay.c
@@ -69,19 +69,19 @@ starRec stars[MAXSTARS];
 float sinTable[MAXANGLES];
 
 
-float Sin(float angle)
+static float Sin(float angle)
 {
 
     return (sinTable[(GLint)angle]);
 }
 
-float Cos(float angle)
+static float Cos(float angle)
 {
 
     return (sinTable[((GLint)angle+(MAXANGLES/4))%MAXANGLES]);
 }
 
-void NewStar(GLint n, GLint d)
+static void NewStar(GLint n, GLint d)
 {
 
     if (rand()%4 == 0) {
@@ -103,7 +103,7 @@ void NewStar(GLint n, GLint d)
     }
 }
 
-void RotatePoint(float *x, float *y, float rotation)
+static void RotatePoint(float *x, float *y, float rotation)
 {
     float tmpX, tmpY;
 
@@ -113,7 +113,7 @@ void RotatePoint(float *x, float *y, float rotation)
     *y = tmpY;
 }
 
-void MoveStars(void)
+static void MoveStars(void)
 {
     float offset;
     GLint n;
@@ -134,7 +134,7 @@ void MoveStars(void)
     }
 }
 
-GLenum StarPoint(GLint n)
+static GLenum StarPoint(GLint n)
 {
     float x0, y0, x1, y1, width;
     GLint i;
@@ -182,7 +182,7 @@ GLenum StarPoint(GLint n)
     }
 }
 
-void ShowStars(void)
+static void ShowStars(void)
 {
     GLint n;
 
@@ -221,7 +221,7 @@ static void Init(void)
     glDisable(GL_DITHER);
 }
 
-void Reshape(int width, int height)
+static void Reshape(int width, int height)
 {
 
     windW = (GLint)width;
@@ -262,7 +262,7 @@ static void Key(unsigned char key, int x, int y)
     }
 }
 
-void Idle(void)
+static void Idle(void)
 {
 
     if (overlayInit == GL_FALSE) {
diff --git a/progs/samples/rgbtoppm.c b/progs/samples/rgbtoppm.c
index 116d9a8cfa..403578ef42 100644
--- a/progs/samples/rgbtoppm.c
+++ b/progs/samples/rgbtoppm.c
@@ -3,6 +3,7 @@
 
 /* texload is a simplistic routine for reading an SGI .rgb image file. */
 
+#include <assert.h>
 #include <stdio.h>
 #include <stdlib.h> 
 #include <string.h>
@@ -25,7 +26,7 @@ typedef struct _ImageRec {
     int *rowSize;
 } ImageRec;
 
-void
+static void
 rgbtorgb(unsigned char *r,unsigned char *g,unsigned char *b,unsigned char *l,int n) {
     while(n--) {
         l[0] = r[0];
@@ -72,6 +73,7 @@ static ImageRec *ImageOpen(char *fileName)
     ImageRec *image;
     int swapFlag;
     int x;
+    int result;
 
     endianTest.testWord = 1;
     if (endianTest.testByte[0] == 1) {
@@ -86,13 +88,20 @@ static ImageRec *ImageOpen(char *fileName)
         exit(1);
     }
     if ((image->file = fopen(fileName, "rb")) == NULL) {
-	return NULL;
+        free(image);
+        return NULL;
     }
 
-    fread(image, 1, 12, image->file);
+    result = fread(image, 1, 12, image->file);
+    assert(result == 12);
 
     if (swapFlag) {
-        ConvertShort(&image->imagic, 6);
+        ConvertShort(&image->imagic, 1);
+        ConvertShort(&image->type, 1);
+        ConvertShort(&image->dim, 1);
+        ConvertShort(&image->xsize, 1);
+        ConvertShort(&image->ysize, 1);
+        ConvertShort(&image->zsize, 1);
     }
 
     image->tmp = (unsigned char *)malloc(image->xsize*256);
@@ -111,8 +120,10 @@ static ImageRec *ImageOpen(char *fileName)
         }
         image->rleEnd = 512 + (2 * x);
         fseek(image->file, 512, SEEK_SET);
-        fread(image->rowStart, 1, x, image->file);
-        fread(image->rowSize, 1, x, image->file);
+        result = fread(image->rowStart, 1, x, image->file);
+        assert(result == x);
+        result = fread(image->rowSize, 1, x, image->file);
+        assert(result == x);
         if (swapFlag) {
             ConvertUint(image->rowStart, x/(int) sizeof(unsigned));
             ConvertUint((unsigned *)image->rowSize, x/(int) sizeof(int));
@@ -132,11 +143,13 @@ static void
 ImageGetRow(ImageRec *image, unsigned char *buf, int y, int z) {
     unsigned char *iPtr, *oPtr, pixel;
     int count;
+    int result;
 
     if ((image->type & 0xFF00) == 0x0100) {
         fseek(image->file, (long) image->rowStart[y+z*image->ysize], SEEK_SET);
-        fread(image->tmp, 1, (unsigned int)image->rowSize[y+z*image->ysize],
-              image->file);
+        result = fread(image->tmp, 1, (unsigned int)image->rowSize[y+z*image->ysize],
+                       image->file);
+        assert(result == (unsigned int)image->rowSize[y+z*image->ysize]);
 
         iPtr = image->tmp;
         oPtr = buf;
@@ -160,11 +173,13 @@ ImageGetRow(ImageRec *image, unsigned char *buf, int y, int z) {
     } else {
         fseek(image->file, 512+(y*image->xsize)+(z*image->xsize*image->ysize),
               SEEK_SET);
-        fread(buf, 1, image->xsize, image->file);
+        result = fread(buf, 1, image->xsize, image->file);
+        assert(result == image->xsize);
     }
 }
 
-GLubyte *
+#if 0
+static GLubyte *
 read_alpha_texture(char *name, int *width, int *height)
 {
     unsigned char *base, *lptr;
@@ -193,8 +208,9 @@ read_alpha_texture(char *name, int *width, int *height)
 
     return (unsigned char *) base;
 }
+#endif
 
-GLubyte *
+static GLubyte *
 read_rgb_texture(char *name, int *width, int *height)
 {
     unsigned char *base, *ptr;
@@ -224,6 +240,7 @@ read_rgb_texture(char *name, int *width, int *height)
       if (gbuf) free(gbuf);
       if (bbuf) free(bbuf);
       if (abuf) free(abuf);
+      ImageClose(image); 
       return NULL;
     }
     ptr = base;
@@ -254,7 +271,8 @@ read_rgb_texture(char *name, int *width, int *height)
 
 int main(int argc, char **argv)
 {
-	int width, height;
+	int width = 0;
+	int height = 0;
 	GLubyte *data;
         char buff[32];
         int n;
diff --git a/progs/samples/sphere.c b/progs/samples/sphere.c
index 7d0508dee9..23d4fe32c0 100644
--- a/progs/samples/sphere.c
+++ b/progs/samples/sphere.c
@@ -445,7 +445,7 @@ GLfloat identity[16] = {
 };
 
 
-void BuildCylinder(int numEdges)
+static void BuildCylinder(int numEdges)
 {
     int i, top = 1.0, bottom = -1.0;
     float x[100], y[100], angle;
@@ -481,7 +481,7 @@ void BuildCylinder(int numEdges)
     glEndList();
 }
 
-void BuildTorus(float rc, int numc, float rt, int numt)
+static void BuildTorus(float rc, int numc, float rt, int numt)
 {
     int i, j, k;
     double s, t;
@@ -515,7 +515,7 @@ void BuildTorus(float rc, int numc, float rt, int numt)
     glEndList();
 }
 
-void BuildCage(void)
+static void BuildCage(void)
 {
     int i;
     float inc;
@@ -609,7 +609,7 @@ void BuildCage(void)
     glEndList();
 }
 
-void BuildCube(void)
+static void BuildCube(void)
 {
     int i, j;
 
@@ -628,7 +628,7 @@ void BuildCube(void)
     glEndList();
 }
 
-void BuildLists(void)
+static void BuildLists(void)
 {
 
     cube = glGenLists(1);
@@ -646,7 +646,7 @@ void BuildLists(void)
     genericObject = torus;
 }
 
-void SetDefaultSettings(void)
+static void SetDefaultSettings(void)
 {
 
     magFilter = nnearest;
@@ -657,7 +657,7 @@ void SetDefaultSettings(void)
     autoRotate = GL_TRUE;
 }
 
-unsigned char *AlphaPadImage(int bufSize, unsigned char *inData, int alpha)
+static unsigned char *AlphaPadImage(int bufSize, unsigned char *inData, int alpha)
 {
     unsigned char *outData, *out_ptr, *in_ptr;
     int i;
@@ -677,7 +677,7 @@ unsigned char *AlphaPadImage(int bufSize, unsigned char *inData, int alpha)
     return outData;
 }
 
-void Init(void)
+static void Init(void)
 {
     float ambient[] = {0.0, 0.0, 0.0, 1.0};
     float diffuse[] = {1.0, 1.0, 1.0, 1.0};
@@ -753,7 +753,7 @@ void Init(void)
     BuildLists();
 }
 
-void ReInit(void)
+static void ReInit(void)
 {
     if (genericObject == torus) {
 	glEnable(GL_DEPTH_TEST);
@@ -773,7 +773,7 @@ void ReInit(void)
     glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, textureEnvironment);
 }
 
-void Draw(void)
+static void Draw(void)
 {
     glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
 
@@ -806,7 +806,7 @@ void Draw(void)
     glutSwapBuffers();
 }
 
-void Reshape(int width, int height)
+static void Reshape(int width, int height)
 {
     W = width;
     H = height;
@@ -818,7 +818,7 @@ void Reshape(int width, int height)
     glMatrixMode(GL_MODELVIEW);
 }
 
-void Idle(void)
+static void Idle(void)
 {
    static double t0 = -1.;
    double t, dt;
@@ -833,7 +833,7 @@ void Idle(void)
    glutPostRedisplay();
 }
 
-void Key2(int key, int x, int y)
+static void Key2(int key, int x, int y)
 {
 
     switch (key) {
@@ -863,7 +863,7 @@ void Key2(int key, int x, int y)
     glutPostRedisplay();
 }
 
-void Key(unsigned char key, int x, int y)
+static void Key(unsigned char key, int x, int y)
 {
 
     switch (key) {
@@ -950,7 +950,7 @@ void Key(unsigned char key, int x, int y)
     glutPostRedisplay();
 }
 
-GLenum Args(int argc, char **argv)
+static GLenum Args(int argc, char **argv)
 {
     GLint i;
 
diff --git a/progs/samples/star.c b/progs/samples/star.c
index 2cf470e2a2..2c44ebfd49 100644
--- a/progs/samples/star.c
+++ b/progs/samples/star.c
@@ -67,19 +67,19 @@ starRec stars[MAXSTARS];
 float sinTable[MAXANGLES];
 
 
-float Sin(float angle)
+static float Sin(float angle)
 {
 
     return (sinTable[(GLint)angle]);
 }
 
-float Cos(float angle)
+static float Cos(float angle)
 {
 
     return (sinTable[((GLint)angle+(MAXANGLES/4))%MAXANGLES]);
 }
 
-void NewStar(GLint n, GLint d)
+static void NewStar(GLint n, GLint d)
 {
 
     if (rand()%4 == 0) {
@@ -101,7 +101,7 @@ void NewStar(GLint n, GLint d)
     }
 }
 
-void RotatePoint(float *x, float *y, float rotation)
+static void RotatePoint(float *x, float *y, float rotation)
 {
     float tmpX, tmpY;
 
@@ -111,7 +111,7 @@ void RotatePoint(float *x, float *y, float rotation)
     *y = tmpY;
 }
 
-void MoveStars(void)
+static void MoveStars(void)
 {
     float offset;
     GLint n;
@@ -142,7 +142,7 @@ void MoveStars(void)
     }
 }
 
-GLenum StarPoint(GLint n)
+static GLenum StarPoint(GLint n)
 {
     float x0, y0, x1, y1, width;
     GLint i;
@@ -190,7 +190,7 @@ GLenum StarPoint(GLint n)
     }
 }
 
-void ShowStars(void)
+static void ShowStars(void)
 {
     GLint n;
 
@@ -229,7 +229,7 @@ static void Init(void)
     glDisable(GL_DITHER);
 }
 
-void Reshape(int width, int height)
+static void Reshape(int width, int height)
 {
 
     windW = (GLint)width;
@@ -260,7 +260,7 @@ static void Key(unsigned char key, int x, int y)
     }
 }
 
-void Draw(void)
+static void Draw(void)
 {
 
     MoveStars();
@@ -307,7 +307,7 @@ static GLenum Args(int argc, char **argv)
 #define GLUTCALLBACK
 #endif
 
-void GLUTCALLBACK glut_post_redisplay_p(void)
+static void GLUTCALLBACK glut_post_redisplay_p(void)
 {
       glutPostRedisplay();
 }
diff --git a/progs/samples/stretch.c b/progs/samples/stretch.c
index 1fd015d794..11201dca23 100644
--- a/progs/samples/stretch.c
+++ b/progs/samples/stretch.c
@@ -67,7 +67,7 @@ int cCount, cIndex[2], cStep;
 GLenum op = OP_NOOP;
 
 
-void DrawImage(void)
+static void DrawImage(void)
 {
 
     glRasterPos2i(0, 0);
@@ -84,7 +84,7 @@ void DrawImage(void)
 		 image->data);
 }
 
-void DrawPoint(void)
+static void DrawPoint(void)
 {
     int i;
 
@@ -102,7 +102,7 @@ void DrawPoint(void)
     }
 }
 
-void InitVList(void)
+static void InitVList(void)
 {
 
     vList[0].x = 0.0;
@@ -141,7 +141,7 @@ void InitVList(void)
     vList[4].tY = cList[0].y / (float)imageSizeY;
 }
 
-void ScaleImage(int sizeX, int sizeY)
+static void ScaleImage(int sizeX, int sizeY)
 {
     GLubyte *buf;
 
@@ -154,7 +154,7 @@ void ScaleImage(int sizeX, int sizeY)
     image->sizeY = sizeY;
 }
 
-void SetPoint(int x, int y)
+static void SetPoint(int x, int y)
 {
 
     cList[cCount].x = (float)x;
@@ -162,7 +162,7 @@ void SetPoint(int x, int y)
     cCount++;
 }
 
-void Stretch(void)
+static void Stretch(void)
 {
 
     glBegin(GL_TRIANGLES);
@@ -221,7 +221,7 @@ void Stretch(void)
     }
 }
 
-void Key(unsigned char key, int x, int y)
+static void Key(unsigned char key, int x, int y)
 {
 
     switch (key) {
@@ -245,7 +245,7 @@ void Key(unsigned char key, int x, int y)
     glutPostRedisplay();
 }
 
-void Mouse(int button, int state, int mouseX, int mouseY)
+static void Mouse(int button, int state, int mouseX, int mouseY)
 {
 
     if (state != GLUT_DOWN)
@@ -263,7 +263,7 @@ void Mouse(int button, int state, int mouseX, int mouseY)
     glutPostRedisplay();
 }
 
-void Animate(void)
+static void Animate(void)
 {
     static double t0 = -1.;
     double t, dt;
@@ -322,7 +322,7 @@ static GLenum Args(int argc, char **argv)
 #define GLUTCALLBACK
 #endif
 
-void GLUTCALLBACK glut_post_redisplay_p(void)
+static void GLUTCALLBACK glut_post_redisplay_p(void)
 {
       glutPostRedisplay();
 }
diff --git a/progs/samples/wave.c b/progs/samples/wave.c
index d3c4687459..396a6943e3 100644
--- a/progs/samples/wave.c
+++ b/progs/samples/wave.c
@@ -92,7 +92,7 @@ GLubyte contourTexture2[] = {
 #endif
 
 
-void GLUTCALLBACK glut_post_redisplay_p(void)
+static void GLUTCALLBACK glut_post_redisplay_p(void)
 {
     static double t0 = -1.;
     double t, dt;
diff --git a/progs/slang/cltest.c b/progs/slang/cltest.c
index 2753f59f85..dfff6cb226 100644
--- a/progs/slang/cltest.c
+++ b/progs/slang/cltest.c
@@ -237,7 +237,7 @@ void RenderScene (void)
       if (p != NULL)
          p++;
    }
-   if (*p != '\0')
+   if (p && *p != '\0')
       printf ("*** %s\n", "I/O error");
 
    nextprogram = program->next;
diff --git a/progs/slang/vstest.c b/progs/slang/vstest.c
index 472ea9b62e..33c6f09dc5 100644
--- a/progs/slang/vstest.c
+++ b/progs/slang/vstest.c
@@ -220,6 +220,12 @@ static void load_test_file (const char *filename)
 
    fseek (f, 0, SEEK_END);
    size = ftell (f);
+
+   if (size == -1) {
+      fclose (f);
+      return;
+   }
+
    fseek (f, 0, SEEK_SET);
 
    code = (char *) (malloc (size));
diff --git a/progs/tests/Makefile b/progs/tests/Makefile
index 197e14d5b0..836396b249 100644
--- a/progs/tests/Makefile
+++ b/progs/tests/Makefile
@@ -37,10 +37,12 @@ SOURCES = \
 	bug_3195.c \
 	bug_texstore_i8.c \
 	calibrate_rast.c \
+	condrender.c \
 	copypixrate.c \
 	crossbar.c \
 	cva.c \
 	drawbuffers.c \
+	drawbuffers2.c \
 	exactrast.c \
 	ext422square.c \
 	floattex.c \
@@ -98,6 +100,7 @@ SOURCES = \
 	texdown \
 	texfilt.c \
 	texgenmix.c \
+	texleak.c \
 	texline.c \
 	texobj.c \
 	texobjshare.c \
diff --git a/progs/tests/SConscript b/progs/tests/SConscript
index 3a0da62717..e2c6538288 100644
--- a/progs/tests/SConscript
+++ b/progs/tests/SConscript
@@ -1,23 +1,5 @@
 Import('*')
 
-if not env['GLUT']:
-    Return()
-
-env = env.Clone()
-
-env.Prepend(CPPPATH = [
-	'../util',
-])
-
-env.Prepend(LIBS = [
-	util,
-	'$GLUT_LIB'
-])
-
-if env['platform'] == 'windows':
-    env.Append(CPPDEFINES = ['NOMINMAX'])
-    env.Prepend(LIBS = ['winmm'])
-
 linux_progs = [
     'api_speed',
 ]
@@ -59,10 +41,12 @@ progs = [
     'bug_3195',
     'bug_texstore_i8',
     'calibrate_rast',
+    'condrender',
     'copypixrate',
     'crossbar',
     'cva',
     'drawbuffers',
+    'drawbuffers2',
     'exactrast',
     'ext422square',
     'fbotest1',
@@ -138,7 +122,7 @@ progs = [
 ]
 
 for prog in progs:
-    env.Program(
+    progs_env.Program(
         target = prog,
         source = prog + '.c',
     )
diff --git a/progs/tests/arbgpuprog.c b/progs/tests/arbgpuprog.c
index 23aa899d96..6098dca787 100644
--- a/progs/tests/arbgpuprog.c
+++ b/progs/tests/arbgpuprog.c
@@ -134,6 +134,8 @@ static void Init( const char *vertProgFile,
       }
 
       len = fread(buf, 1, 10*1000,f);
+      fclose(f);
+
       glProgramStringARB_func(GL_VERTEX_PROGRAM_ARB,
                               GL_PROGRAM_FORMAT_ASCII_ARB,
                               len,
@@ -170,6 +172,8 @@ static void Init( const char *vertProgFile,
       }
 
       len = fread(buf, 1, 10*1000,f);
+      fclose(f);
+
       glProgramStringARB_func(GL_FRAGMENT_PROGRAM_ARB,
                               GL_PROGRAM_FORMAT_ASCII_ARB,
                               len,
diff --git a/progs/tests/bug_texstore_i8.c b/progs/tests/bug_texstore_i8.c
index 10e5eba7c5..b070011bd2 100644
--- a/progs/tests/bug_texstore_i8.c
+++ b/progs/tests/bug_texstore_i8.c
@@ -73,7 +73,7 @@ static void Init(void)
 			0,
 			sourceFormat,
 			GL_UNSIGNED_BYTE,
-			//GL_UNSIGNED_INT,
+			/* GL_UNSIGNED_INT, */
 			tex2d);
 
 		glEnable(Target);
diff --git a/progs/tests/condrender.c b/progs/tests/condrender.c
new file mode 100644
index 0000000000..1db8a7c15a
--- /dev/null
+++ b/progs/tests/condrender.c
@@ -0,0 +1,242 @@
+/*
+ * Test GL_NV_conditional_render
+ *
+ * Brian Paul
+ * 30 Dec 2009
+ *
+ * Copyright (C) 2009  VMware, Inc.  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
+ * THE AUTHORS 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.
+ */
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <GL/glew.h>
+#include <GL/glut.h>
+
+#define TEST_DISPLAY_LISTS 0
+
+static GLboolean Anim = GL_TRUE;
+static GLfloat Xpos = 0;
+static GLuint OccQuery;
+static GLint Win = 0;
+
+
+static void Idle(void)
+{
+   static int lastTime = 0;
+   static int sign = +1;
+   int time = glutGet(GLUT_ELAPSED_TIME);
+   float step;
+
+   if (lastTime == 0)
+      lastTime = time;
+   else if (time - lastTime < 20)  /* 50Hz update */
+      return;
+
+   step = (time - lastTime) / 1000.0 * sign;
+   lastTime = time;
+
+   Xpos += step;
+
+   if (Xpos > 2.5) {
+      Xpos = 2.5;
+      sign = -1;
+   }
+   else if (Xpos < -2.5) {
+      Xpos = -2.5;
+      sign = +1;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Display( void )
+{
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glEnable(GL_DEPTH_TEST);
+
+   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 );
+
+   /* draw the occluding polygons */
+   glColor3f(0, 0.6, 0.8);
+   glBegin(GL_QUADS);
+   glVertex2f(-1.6, -1.5);
+   glVertex2f(-0.4, -1.5);
+   glVertex2f(-0.4,  1.5);
+   glVertex2f(-1.6,  1.5);
+
+   glVertex2f( 0.4, -1.5);
+   glVertex2f( 1.6, -1.5);
+   glVertex2f( 1.6,  1.5);
+   glVertex2f( 0.4,  1.5);
+   glEnd();
+
+   /* draw the test polygon with occlusion testing */
+   glPushMatrix();
+   glTranslatef(Xpos, 0, -0.5);
+   glScalef(0.3, 0.3, 1.0);
+   glRotatef(-90.0 * Xpos, 0, 0, 1);
+
+#if TEST_DISPLAY_LISTS
+   glNewList(10, GL_COMPILE);
+   glBeginQueryARB(GL_SAMPLES_PASSED_ARB, OccQuery);
+   glEndList();
+   glCallList(10);
+#else
+   glBeginQueryARB(GL_SAMPLES_PASSED_ARB, OccQuery);
+#endif
+
+   glColorMask(0, 0, 0, 0);
+   glDepthMask(GL_FALSE);
+
+   glBegin(GL_POLYGON);
+   glVertex3f(-1, -1, 0);
+   glVertex3f( 1, -1, 0);
+   glVertex3f( 1,  1, 0);
+   glVertex3f(-1,  1, 0);
+   glEnd();
+
+#if TEST_DISPLAY_LISTS
+   glNewList(11, GL_COMPILE);
+   glEndQueryARB(GL_SAMPLES_PASSED_ARB);
+   glEndList();
+   glCallList(11);
+#else
+   glEndQueryARB(GL_SAMPLES_PASSED_ARB);
+#endif
+
+   glColorMask(1, 1, 1, 1);
+   glDepthMask(GL_TRUE);
+
+   /* Note: disable depth test here so that we'll always see the orange
+    * box, except when it's totally culled.
+    */
+   glDisable(GL_DEPTH_TEST);
+
+   glBeginConditionalRenderNV(OccQuery, GL_QUERY_WAIT_NV);
+      /* draw the orange rect, so we can see what's going on */
+      glColor3f(0.8, 0.5, 0);
+      glBegin(GL_POLYGON);
+         glVertex3f(-1, -1, 0);
+         glVertex3f( 1, -1, 0);
+         glVertex3f( 1,  1, 0);
+         glVertex3f(-1,  1, 0);
+      glEnd();
+   glEndConditionalRenderNV();
+
+   /* always draw white outline around orange box */
+   glColor3f(1.0, 1.0, 1.0);
+   glBegin(GL_LINE_LOOP);
+      glVertex3f(-1, -1, 0);
+      glVertex3f( 1, -1, 0);
+      glVertex3f( 1,  1, 0);
+       glVertex3f(-1,  1, 0);
+   glEnd();
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+   case 27:
+      glDeleteQueriesARB(1, &OccQuery);
+      glutDestroyWindow(Win);
+      exit(0);
+      break;
+   case ' ':
+      Anim = !Anim;
+      if (Anim)
+         glutIdleFunc(Idle);
+      else
+         glutIdleFunc(NULL);
+      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_LEFT:
+      Xpos -= step;
+      break;
+   case GLUT_KEY_RIGHT:
+      Xpos += step;
+      break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( void )
+{
+   if (!glutExtensionSupported("GL_ARB_occlusion_query") ||
+       !glutExtensionSupported("GL_NV_conditional_render")) {
+      printf("Sorry, this demo requires the extensions:\n");
+      printf("  GL_ARB_occlusion_query\n");
+      printf("  GL_NV_conditional_render\n");
+      exit(-1);
+   }
+
+   glGenQueriesARB(1, &OccQuery);
+   assert(OccQuery > 0);
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInitWindowSize( 400, 400 );
+   glutInit( &argc, argv );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
+   Win = glutCreateWindow(argv[0]);
+   glewInit();
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutIdleFunc( Idle );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/tests/crossbar.c b/progs/tests/crossbar.c
index bd8e05aee1..2988e20920 100644
--- a/progs/tests/crossbar.c
+++ b/progs/tests/crossbar.c
@@ -174,7 +174,7 @@ static void Init( void )
       exit(1);
    }
 
-   printf("\nAll %u squares should be the same color.\n", NUM_TESTS + 1);
+   printf("\nAll %lu squares should be the same color.\n", (unsigned long) NUM_TESTS + 1);
    
    (void) memset( temp, 0x00, sizeof( temp ) );
    glBindTexture( GL_TEXTURE_2D, 1 );
diff --git a/progs/tests/cva.c b/progs/tests/cva.c
index 80483900cb..02d1dcba2e 100644
--- a/progs/tests/cva.c
+++ b/progs/tests/cva.c
@@ -39,7 +39,7 @@ GLboolean compiled = GL_TRUE;
 GLboolean doubleBuffer = GL_TRUE;
 
 
-void init( void )
+static void init( void )
 {
    glClearColor( 0.0, 0.0, 0.0, 0.0 );
    glShadeModel( GL_SMOOTH );
@@ -69,7 +69,7 @@ void init( void )
 #endif
 }
 
-void display( void )
+static void display( void )
 {
    glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
 
@@ -81,7 +81,7 @@ void display( void )
    }
 }
 
-void keyboard( unsigned char key, int x, int y )
+static void keyboard( unsigned char key, int x, int y )
 {
    switch ( key ) {
       case 27:
@@ -92,7 +92,7 @@ void keyboard( unsigned char key, int x, int y )
    glutPostRedisplay();
 }
 
-GLboolean args( int argc, char **argv )
+static GLboolean args( int argc, char **argv )
 {
     GLint i;
 
diff --git a/progs/tests/drawbuffers2.c b/progs/tests/drawbuffers2.c
new file mode 100644
index 0000000000..7b8cc5ca6a
--- /dev/null
+++ b/progs/tests/drawbuffers2.c
@@ -0,0 +1,364 @@
+/*
+ * Test GL_ARB_draw_buffers2, GL_ARB_draw_buffers, GL_EXT_framebuffer_object
+ * and GLSL's gl_FragData[].
+ *
+ * We draw to two color buffers and show the left half of the first
+ * color buffer on the left side of the window, and show the right
+ * half of the second color buffer on the right side of the window.
+ *
+ * Different color masks are used for the two color buffers.
+ * Blending is enabled for the second buffer only.
+ *
+ * Brian Paul
+ * 31 Dec 2009
+ */
+
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glew.h>
+#include <GL/glut.h>
+#include "extfuncs.h"
+
+static int Win;
+static int Width = 400, Height = 400;
+static GLuint FBobject, RBobjects[3];
+static GLfloat Xrot = 0.0, Yrot = 0.0;
+static GLuint Program;
+static GLboolean Anim = GL_TRUE;
+
+
+static void
+CheckError(int line)
+{
+   GLenum err = glGetError();
+   if (err) {
+      printf("GL Error 0x%x at line %d\n", (int) err, line);
+   }
+}
+
+
+static void
+Display(void)
+{
+   GLubyte *buffer = malloc(Width * Height * 4);
+   static const GLenum buffers[2] = {
+      GL_COLOR_ATTACHMENT0_EXT,
+      GL_COLOR_ATTACHMENT1_EXT
+   };
+
+   glUseProgram_func(Program);
+
+   glEnable(GL_DEPTH_TEST);
+
+   /* draw to user framebuffer */
+   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, FBobject);
+
+   /* Clear color buffer 0 (blue) */
+   glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
+   glClear(GL_COLOR_BUFFER_BIT);
+
+   /* Clear color buffer 1 (1 - blue) */
+   glDrawBuffer(GL_COLOR_ATTACHMENT1_EXT);
+   glClear(GL_COLOR_BUFFER_BIT);
+
+   glClear(GL_DEPTH_BUFFER_BIT);
+
+   /* draw to two buffers w/ fragment shader */
+   glDrawBuffersARB(2, buffers);
+
+   /* different color masks for each buffer */
+   if (1) {
+   glColorMaskIndexedEXT(0, GL_TRUE, GL_FALSE, GL_FALSE, GL_FALSE);
+   glColorMaskIndexedEXT(1, GL_FALSE, GL_TRUE, GL_FALSE, GL_FALSE);
+   }
+
+   glPushMatrix();
+   glRotatef(Xrot, 1, 0, 0);
+   glRotatef(Yrot, 0, 1, 0);
+   glPushMatrix();
+   glTranslatef(1, 0, 0);
+   glutSolidTorus(1.0, 2.0, 10, 20);
+   glPopMatrix();
+   glPushMatrix();
+   glTranslatef(-1, 0, 0);
+   glRotatef(90, 1, 0, 0);
+   glutSolidTorus(1.0, 2.0, 10, 20);
+   glPopMatrix();
+   glPopMatrix();
+
+   /* restore default color masks */
+   glColorMaskIndexedEXT(0, GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
+   glColorMaskIndexedEXT(1, GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
+
+   /* read from user framebuffer */
+   /* left half = colorbuffer 0 */
+   glReadBuffer(GL_COLOR_ATTACHMENT0_EXT);
+   glPixelStorei(GL_PACK_ROW_LENGTH, Width);
+   glPixelStorei(GL_PACK_SKIP_PIXELS, 0);
+   glReadPixels(0, 0, Width / 2, Height, GL_RGBA, GL_UNSIGNED_BYTE,
+                buffer);
+
+   /* right half = colorbuffer 1 */
+   glReadBuffer(GL_COLOR_ATTACHMENT1_EXT);
+   glPixelStorei(GL_PACK_SKIP_PIXELS, Width / 2);
+   glReadPixels(Width / 2, 0, Width - Width / 2, Height,
+                GL_RGBA, GL_UNSIGNED_BYTE,
+                buffer);
+
+   /* draw to window */
+   glUseProgram_func(0);
+   glDisable(GL_DEPTH_TEST);
+   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+   glWindowPos2iARB(0, 0);
+   glDrawPixels(Width, Height, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
+
+   free(buffer);
+   glutSwapBuffers();
+   CheckError(__LINE__);
+}
+
+
+static void
+Idle(void)
+{
+   Xrot = glutGet(GLUT_ELAPSED_TIME) * 0.05;
+   glutPostRedisplay();
+}
+
+
+static void
+Reshape(int width, int height)
+{
+   float ar = (float) width / (float) height;
+
+   glViewport(0, 0, width, height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum(-ar, ar, -1.0, 1.0, 5.0, 35.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -20.0);
+
+   Width = width;
+   Height = height;
+
+   glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, RBobjects[0]);
+   glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGB, Width, Height);
+   glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, RBobjects[1]);
+   glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGB, Width, Height);
+   glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, RBobjects[2]);
+   glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT,
+                            Width, Height);
+}
+
+
+static void
+CleanUp(void)
+{
+   glDeleteFramebuffersEXT(1, &FBobject);
+   glDeleteRenderbuffersEXT(3, RBobjects);
+   glutDestroyWindow(Win);
+   exit(0);
+}
+
+
+static void
+Key(unsigned char key, int x, int y)
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+   case ' ':
+      Anim = !Anim;
+      glutIdleFunc(Anim ? Idle : NULL);
+      break;
+   case 'x':
+      Xrot += 5.0;
+      break;
+   case 'X':
+      Xrot -= 5.0;
+      break;
+   case 'y':
+      Yrot += 5.0;
+      break;
+   case 'Y':
+      Yrot -= 5.0;
+      break;
+   case 27:
+      CleanUp();
+      break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+CheckExtensions(void)
+{
+   const char *req[] = {
+      "GL_EXT_framebuffer_object",
+      "GL_ARB_draw_buffers",
+      "GL_EXT_draw_buffers2"
+   };
+
+   const char *version = (const char *) glGetString(GL_VERSION);
+   GLint numBuf;
+   GLint i;
+
+   for (i = 0; i < 3; i++) {
+      if (!glutExtensionSupported(req[i])) {
+         printf("Sorry, %s extension is required!\n", req[i]);
+         exit(1);
+      }
+   }
+   if (version[0] != '2') {
+      printf("Sorry, OpenGL 2.0 is required!\n");
+      exit(1);
+   }
+
+   glGetIntegerv(GL_MAX_DRAW_BUFFERS_ARB, &numBuf);
+   printf("GL_MAX_DRAW_BUFFERS_ARB = %d\n", numBuf);
+   if (numBuf < 2) {
+      printf("Sorry, GL_MAX_DRAW_BUFFERS_ARB needs to be >= 2\n");
+      exit(1);
+   }
+
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+}
+
+
+static void
+SetupRenderbuffers(void)
+{
+   glGenFramebuffersEXT(1, &FBobject);
+   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, FBobject);
+
+   glGenRenderbuffersEXT(3, RBobjects);
+
+   glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, RBobjects[0]);
+   glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGB, Width, Height);
+
+   glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, RBobjects[1]);
+   glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGB, Width, Height);
+
+   glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, RBobjects[2]);
+   glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT,
+                            Width, Height);
+
+   glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
+                                GL_RENDERBUFFER_EXT, RBobjects[0]);
+   glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT1_EXT,
+                                GL_RENDERBUFFER_EXT, RBobjects[1]);
+   glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT,
+                                GL_RENDERBUFFER_EXT, RBobjects[2]);
+
+   CheckError(__LINE__);
+}
+
+
+static GLuint
+LoadAndCompileShader(GLenum target, const char *text)
+{
+   GLint stat;
+   GLuint shader = glCreateShader_func(target);
+   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, "drawbuffers: problem compiling shader:\n%s\n", log);
+      exit(1);
+   }
+   return shader;
+}
+
+
+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, "drawbuffers: shader link error:\n%s\n", log);
+   }
+}
+
+
+static void
+SetupShaders(void)
+{
+   /* emit same color to both draw buffers */
+   static const char *fragShaderText =
+      "void main() {\n"
+      "   gl_FragData[0] = gl_Color; \n"
+      "   gl_FragData[1] = gl_Color; \n"
+      "}\n";
+
+   GLuint fragShader;
+
+   fragShader = LoadAndCompileShader(GL_FRAGMENT_SHADER, fragShaderText);
+   Program = glCreateProgram_func();
+
+   glAttachShader_func(Program, fragShader);
+   glLinkProgram_func(Program);
+   CheckLink(Program);
+   glUseProgram_func(Program);
+}
+
+
+static void
+SetupLighting(void)
+{
+   static const GLfloat ambient[4] = { 0.0, 0.0, 0.0, 0.0 };
+   static const GLfloat diffuse[4] = { 1.0, 1.0, 1.0, 0.75 };
+
+   glLightModelfv(GL_LIGHT_MODEL_AMBIENT, ambient);
+   glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, ambient);
+   glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, diffuse);
+
+   glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, 0);
+   glEnable(GL_LIGHT0);
+   glEnable(GL_LIGHTING);
+}
+
+
+static void
+Init(void)
+{
+   CheckExtensions();
+   GetExtensionFuncs();
+   SetupRenderbuffers();
+   SetupShaders();
+   SetupLighting();
+   glEnable(GL_DEPTH_TEST);
+
+   glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+   glEnableIndexedEXT(GL_BLEND, 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]);
+   glewInit();
+   glutIdleFunc(Anim ? Idle : NULL);
+   glutReshapeFunc(Reshape);
+   glutKeyboardFunc(Key);
+   glutDisplayFunc(Display);
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/tests/fptest1.c b/progs/tests/fptest1.c
index 2b8f8d0f5e..1f30d5733e 100644
--- a/progs/tests/fptest1.c
+++ b/progs/tests/fptest1.c
@@ -57,6 +57,7 @@ static void Key( unsigned char key, int x, int y )
 
 static void Init( void )
 {
+#if 0
    static const char *prog0 =
       "!!FP1.0\n"
       "MUL   o[COLR], R0, f[WPOS]; \n"
@@ -73,6 +74,7 @@ static void Init( void )
       "MOV   HC, H2; \n"
       "END \n"
       ;
+#endif
 
    /* masked updates, defines, declarations */
    static const char *prog1 =
diff --git a/progs/tests/getprocaddress.c b/progs/tests/getprocaddress.c
index a09ea58e1d..e699baf44b 100644
--- a/progs/tests/getprocaddress.c
+++ b/progs/tests/getprocaddress.c
@@ -1188,7 +1188,7 @@ exercise_buffer_objects(enum Map_Buffer_Usage usage)
    GLuint bufferID;
    GLint bufferMapped;
    static GLubyte data[BUFFER_DATA_SIZE] = {0};
-   float *dataPtr;
+   float *dataPtr = NULL;
 
    /* Get the function pointers we need.  These are from
     * GL_ARB_vertex_buffer_object and are required in all
@@ -3516,7 +3516,7 @@ check_functions( const char *extensions )
    struct name_test_pair *entry;
    int failures = 0, passes = 0, untested = 0;
    int totalFail = 0, totalPass = 0, totalUntested = 0, totalUnsupported = 0;
-   int doTests;
+   int doTests = 0;
    const char *version = (const char *) glGetString(GL_VERSION);
 
    /* The functions list will have "real" entries (consisting of
diff --git a/progs/tests/invert.c b/progs/tests/invert.c
index 3bc97a460b..45001b44d0 100644
--- a/progs/tests/invert.c
+++ b/progs/tests/invert.c
@@ -165,7 +165,7 @@ static void Init( void )
 	  "square should look upside-down.\n");
    
 
-   image = LoadRGBImage( IMAGE_FILE, & img_width, & img_height,
+   image = LoadRGBImage( IMAGE_FILE, (GLint *) & img_width, (GLint *) & img_height,
 			 & img_format );
    if ( image == NULL ) {
       printf( "Could not open image file \"%s\".\n", IMAGE_FILE );
diff --git a/progs/tests/packedpixels.c b/progs/tests/packedpixels.c
index d318cf516a..34df95549a 100644
--- a/progs/tests/packedpixels.c
+++ b/progs/tests/packedpixels.c
@@ -17,53 +17,53 @@ struct pixel_format {
    GLenum format;
    GLenum type;
    GLint bytes;
-   GLuint redTexel, greenTexel;
+   GLuint redTexel, greenTexel; /* with approx 51% alpha, when applicable */
 };
 
 static const struct pixel_format Formats[] = {
 
    { "GL_RGBA/GL_UNSIGNED_INT_8_8_8_8",
-     GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, 4, 0xff000000, 0x00ff0000 },
+     GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, 4, 0xff000080, 0x00ff0080 },
    { "GL_RGBA/GL_UNSIGNED_INT_8_8_8_8_REV",
-     GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, 4, 0x000000ff, 0x0000ff00 },
+     GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, 4, 0x800000ff, 0x8000ff00 },
    { "GL_RGBA/GL_UNSIGNED_INT_10_10_10_2",
-     GL_RGBA, GL_UNSIGNED_INT_10_10_10_2, 4, 0xffc00000, 0x3ff000 },
+     GL_RGBA, GL_UNSIGNED_INT_10_10_10_2, 4, 0xffc00002, 0x3ff002 },
    { "GL_RGBA/GL_UNSIGNED_INT_2_10_10_10_REV",
-     GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, 4, 0x3ff, 0xffc00 },
+     GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, 4, 0xc00003ff, 0xc00ffc00 },
    { "GL_RGBA/GL_UNSIGNED_SHORT_4_4_4_4",
-     GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, 2, 0xf000, 0x0f00 },
+     GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, 2, 0xf008, 0x0f08 },
    { "GL_RGBA/GL_UNSIGNED_SHORT_4_4_4_4_REV",
-     GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4_REV, 2, 0x000f, 0x00f0 },
+     GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4_REV, 2, 0x800f, 0x80f0 },
    { "GL_RGBA/GL_UNSIGNED_SHORT_5_5_5_1",
-     GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, 2, 0xf800, 0x7c0 },
+     GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, 2, 0xf801, 0x7c1 },
    { "GL_RGBA/GL_UNSIGNED_SHORT_1_5_5_5_REV",
-     GL_RGBA, GL_UNSIGNED_SHORT_1_5_5_5_REV, 2, 0x1f, 0x3e0 },
+     GL_RGBA, GL_UNSIGNED_SHORT_1_5_5_5_REV, 2, 0x801f, 0x83e0 },
 
    { "GL_BGRA/GL_UNSIGNED_INT_8_8_8_8",
-     GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, 4, 0x0000ff00, 0x00ff0000 },
+     GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, 4, 0x0000ff80, 0x00ff0080 },
    { "GL_BGRA/GL_UNSIGNED_INT_8_8_8_8_REV",
-     GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, 4, 0x00ff0000, 0x0000ff00 },
+     GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, 4, 0x80ff0000, 0x8000ff00 },
    { "GL_BGRA/GL_UNSIGNED_SHORT_4_4_4_4",
-     GL_BGRA, GL_UNSIGNED_SHORT_4_4_4_4, 2, 0x00f0, 0x0f00 },
+     GL_BGRA, GL_UNSIGNED_SHORT_4_4_4_4, 2, 0x00f8, 0x0f08 },
    { "GL_BGRA/GL_UNSIGNED_SHORT_4_4_4_4_REV",
-     GL_BGRA, GL_UNSIGNED_SHORT_4_4_4_4_REV, 2, 0x0f00, 0x00f0 },
+     GL_BGRA, GL_UNSIGNED_SHORT_4_4_4_4_REV, 2, 0x8f00, 0x80f0 },
    { "GL_BGRA/GL_UNSIGNED_SHORT_5_5_5_1",
-     GL_BGRA, GL_UNSIGNED_SHORT_5_5_5_1, 2, 0x3e, 0x7c0 },
+     GL_BGRA, GL_UNSIGNED_SHORT_5_5_5_1, 2, 0x3f, 0x7c1 },
    { "GL_BGRA/GL_UNSIGNED_SHORT_1_5_5_5_REV",
-     GL_BGRA, GL_UNSIGNED_SHORT_1_5_5_5_REV, 2, 0x7c00, 0x3e0 },
+     GL_BGRA, GL_UNSIGNED_SHORT_1_5_5_5_REV, 2, 0xfc00, 0x83e0 },
 
    { "GL_ABGR_EXT/GL_UNSIGNED_INT_8_8_8_8",
-     GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8, 4, 0x000000ff, 0x0000ff00 },
+     GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8, 4, 0x800000ff, 0x8000ff00 },
    { "GL_ABGR_EXT/GL_UNSIGNED_INT_8_8_8_8_REV",
-     GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8_REV, 4, 0xff000000, 0x00ff0000 },
+     GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8_REV, 4, 0xff000080, 0x00ff0080 },
    { "GL_ABGR_EXT/GL_UNSIGNED_SHORT_4_4_4_4",
-     GL_ABGR_EXT, GL_UNSIGNED_SHORT_4_4_4_4, 2, 0x000f, 0x00f0 },
+     GL_ABGR_EXT, GL_UNSIGNED_SHORT_4_4_4_4, 2, 0x800f, 0x80f0 },
    { "GL_ABGR_EXT/GL_UNSIGNED_SHORT_4_4_4_4_REV",
-     GL_ABGR_EXT, GL_UNSIGNED_SHORT_4_4_4_4_REV, 2, 0xf000, 0x0f00 },
+     GL_ABGR_EXT, GL_UNSIGNED_SHORT_4_4_4_4_REV, 2, 0xf008, 0x0f08 },
    { "GL_ABGR_EXT/GL_UNSIGNED_SHORT_5_5_5_1",
-     GL_ABGR_EXT, GL_UNSIGNED_SHORT_5_5_5_1, 2, 0x1, 0x3e },
+     GL_ABGR_EXT, GL_UNSIGNED_SHORT_5_5_5_1, 2, 0xf801, 0xf83e },
    { "GL_ABGR_EXT/GL_UNSIGNED_SHORT_1_5_5_5_REV",
-     GL_ABGR_EXT, GL_UNSIGNED_SHORT_1_5_5_5_REV, 2, 0x8000, 0x7c00 },
+     GL_ABGR_EXT, GL_UNSIGNED_SHORT_1_5_5_5_REV, 2, 0x800f, 0x7c0f },
 
    { "GL_RGB/GL_UNSIGNED_SHORT_5_6_5",
      GL_RGB, GL_UNSIGNED_SHORT_5_6_5, 2, 0xf800, 0x7e0 },
@@ -108,7 +108,7 @@ static const struct name_format IntFormats[] = {
 static GLuint CurFormat = 0;
 
 static GLboolean Test3D = GL_FALSE;
-
+static GLboolean Blend = GL_FALSE;
 
 
 static void
@@ -234,6 +234,10 @@ Draw(void)
            glEnable(GL_TEXTURE_3D);
         else
            glEnable(GL_TEXTURE_2D);
+
+        if (Blend)
+           glEnable(GL_BLEND);
+
         glBegin(GL_POLYGON);
         glTexCoord3f(0, 0, 0.5);  glVertex2f(0, 0);
         glTexCoord3f(1, 0, 0.5);  glVertex2f(w, 0);
@@ -245,6 +249,9 @@ Draw(void)
            glDisable(GL_TEXTURE_3D);
         else
            glDisable(GL_TEXTURE_2D);
+
+        glDisable(GL_BLEND);
+
         glColor3f(0, 0, 0);
         glRasterPos2i(8, 6);
         PrintString(Formats[i].name);
@@ -265,8 +272,8 @@ Draw(void)
    glPushMatrix();
    glTranslatef(2, (i + 1) * (h + 2), 0);
    glRasterPos2i(8, 6);
-   sprintf(s, "Internal Texture Format [f/F]: %s (%d of %d)",
-           IntFormats[CurFormat].name, CurFormat + 1, NUM_INT_FORMATS);
+   sprintf(s, "Internal Texture Format [f/F]: %s (%d of %lu)",
+           IntFormats[CurFormat].name, CurFormat + 1, (unsigned long) NUM_INT_FORMATS);
    PrintString(s);
    glPopMatrix();
 
@@ -279,6 +286,15 @@ Draw(void)
       PrintString("Target [2/3]: GL_TEXTURE_2D");
    glPopMatrix();
 
+   glPushMatrix();
+   glTranslatef(2, (i + 3) * (h + 2), 0);
+   glRasterPos2i(8, 6);
+   if (Blend)
+      PrintString("Blend: Yes");
+   else
+      PrintString("Blend: No");
+   glPopMatrix();
+
    glutSwapBuffers();
 }
 
@@ -301,6 +317,9 @@ Key(unsigned char key, int x, int y)
    (void) x;
    (void) y;
    switch (key) {
+      case 'b':
+         Blend = !Blend;
+         break;
       case 'F':
          if (CurFormat == 0)
             CurFormat = NUM_INT_FORMATS - 1;
@@ -336,6 +355,7 @@ Init(void)
    glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
    glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
    glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+   glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 }
 
 
diff --git a/progs/tests/prog_parameter.c b/progs/tests/prog_parameter.c
index 0241f3a249..2de7e2994a 100644
--- a/progs/tests/prog_parameter.c
+++ b/progs/tests/prog_parameter.c
@@ -192,6 +192,7 @@ static void Init( void )
    GLfloat * params;
    GLint max_program_env_parameters;
    GLint max_program_local_parameters;
+   int i;
 
 
    printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
@@ -238,6 +239,10 @@ static void Init( void )
 
    params = malloc(max_program_env_parameters * 4 * sizeof(GLfloat));
 
+   for (i = 0; i < max_program_env_parameters * 4; i++) {
+      params[i] = 0.0F;
+   }
+
    pass &= set_parameter_batch(max_program_env_parameters, params, "Env",
 			       program_env_parameter4fv,
 			       program_env_parameters4fv,
diff --git a/progs/tests/quads.c b/progs/tests/quads.c
index 2098b51ccd..e5b9920b66 100644
--- a/progs/tests/quads.c
+++ b/progs/tests/quads.c
@@ -17,7 +17,10 @@ static GLfloat Xrot = 40, Yrot = 0, Zrot = 0;
 static GLboolean Anim = GL_TRUE;
 static GLuint Vbuffer = 0;
 
+#if 1
+#else
 static GLfloat buf[NUM_QUADS * 6 * 4];
+#endif
 
 static GLboolean doSwapBuffers = GL_TRUE;
 
diff --git a/progs/tests/scissor-viewport.c b/progs/tests/scissor-viewport.c
index 582e65fb72..4ef307b424 100644
--- a/progs/tests/scissor-viewport.c
+++ b/progs/tests/scissor-viewport.c
@@ -104,7 +104,7 @@ static void draw(void)
 
    glDisable(GL_SCISSOR_TEST);
 
-   //glutSwapBuffers();
+   /* glutSwapBuffers(); */
    glFlush();
 }
 
@@ -120,7 +120,7 @@ int main(int argc, char **argv)
    glutInitWindowPosition(100, 0);
    glutInitWindowSize(prog.width, prog.height);
 
-   //type = GLUT_RGB | GLUT_DOUBLE;
+   /* type = GLUT_RGB | GLUT_DOUBLE; */
    type = GLUT_RGB | GLUT_SINGLE;
    glutInitDisplayMode(type);
 
diff --git a/progs/tests/scissor.c b/progs/tests/scissor.c
index 2dfd2174e8..e5a68ffabd 100644
--- a/progs/tests/scissor.c
+++ b/progs/tests/scissor.c
@@ -134,7 +134,7 @@ static void draw(void)
 
    glDisable(GL_SCISSOR_TEST);
 
-   //glutSwapBuffers();
+   /* glutSwapBuffers(); */
    glFlush();
 }
 
@@ -150,7 +150,7 @@ int main(int argc, char **argv)
    glutInitWindowPosition(100, 0);
    glutInitWindowSize(prog.width, prog.height);
 
-   //type = GLUT_RGB | GLUT_DOUBLE;
+   /* type = GLUT_RGB | GLUT_DOUBLE; */
    type = GLUT_RGB | GLUT_SINGLE;
    glutInitDisplayMode(type);
 
diff --git a/progs/tests/sharedtex.c b/progs/tests/sharedtex.c
index c07ebd719c..2337b88d3f 100644
--- a/progs/tests/sharedtex.c
+++ b/progs/tests/sharedtex.c
@@ -424,13 +424,13 @@ main(int argc, char *argv[])
 {
    const char *dpyName = XDisplayName(NULL);
 
-   struct window *h0, *h1, *h2, *h3;
+   struct window *h0;
 
    /* four windows and contexts sharing display lists and texture objects */
    h0 = AddWindow(dpyName,  10,  10, NULL);
-   h1 = AddWindow(dpyName, 330,  10, h0);
-   h2 = AddWindow(dpyName,  10, 350, h0);
-   h3 = AddWindow(dpyName, 330, 350, h0);
+   (void) AddWindow(dpyName, 330,  10, h0);
+   (void) AddWindow(dpyName,  10, 350, h0);
+   (void) AddWindow(dpyName, 330, 350, h0);
 
    InitGLstuff(h0);
 
diff --git a/progs/tests/stencilwrap.c b/progs/tests/stencilwrap.c
index 2e219fd8b5..d396fc2a53 100644
--- a/progs/tests/stencilwrap.c
+++ b/progs/tests/stencilwrap.c
@@ -257,7 +257,7 @@ static void Init( void )
     * part of GL 1.4.
     */
 
-   ver_str = glGetString( GL_VERSION );
+   ver_str = (char *) glGetString( GL_VERSION );
    version = (ver_str == NULL) ? 1.0 : atof( ver_str );
 
    wrapping = (glutExtensionSupported("GL_EXT_stencil_wrap") || (version >= 1.4));
diff --git a/progs/tests/tex1d.c b/progs/tests/tex1d.c
index 4abe1068c7..7d67451c0d 100644
--- a/progs/tests/tex1d.c
+++ b/progs/tests/tex1d.c
@@ -39,11 +39,13 @@ static void draw( void )
 
 
 
+/*
 static void idle( void )
 {
    Angle += 2.0;
    glutPostRedisplay();
 }
+*/
 
 
 
diff --git a/progs/tests/texdown.c b/progs/tests/texdown.c
index 7e46045832..92df01b83d 100644
--- a/progs/tests/texdown.c
+++ b/progs/tests/texdown.c
@@ -162,7 +162,7 @@ MeasureDownloadRate(void)
    const int image_bytes = align(w * h * BytesPerTexel(Format), ALIGN);
    const int bytes = image_bytes * NR_TEXOBJ;
    GLubyte *orig_texImage, *orig_getImage;
-   GLubyte *texImage, *getImage;
+   GLubyte *texImage;
    GLdouble t0, t1, time;
    int count;
    int i;
@@ -176,13 +176,14 @@ MeasureDownloadRate(void)
    orig_getImage = (GLubyte *) malloc(image_bytes + ALIGN);
    if (!orig_texImage || !orig_getImage) {
       DownloadRate = 0.0;
+      free(orig_texImage);
+      free(orig_getImage);
       return;
    }
 
    printf("alloc %p %p\n", orig_texImage, orig_getImage);
 
    texImage = (GLubyte *)align((unsigned long)orig_texImage, ALIGN);
-   getImage = (GLubyte *)align((unsigned long)orig_getImage, ALIGN);   
 
    for (i = 1; !(((unsigned long)texImage) & i); i<<=1)
       ;
diff --git a/progs/tests/texleak.c b/progs/tests/texleak.c
new file mode 100644
index 0000000000..5cf4ff3239
--- /dev/null
+++ b/progs/tests/texleak.c
@@ -0,0 +1,140 @@
+/*
+ * 'Texture leak' test
+ *
+ * Allocates and uses an additional texture of the maximum supported size for
+ * each frame. This tests the system's ability to cope with using increasing
+ * amounts of texture memory.
+ *
+ * Michel Dänzer  July 2009  This program is in the public domain.
+ */
+
+
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/time.h>
+#include <unistd.h>
+#include <GL/glew.h>
+#include <GL/glut.h>
+
+
+GLint size;
+GLvoid *image;
+static GLuint numTexObj;
+static GLuint *texObj;
+
+
+static void Idle( void )
+{
+   glutPostRedisplay();
+}
+
+
+static void DrawObject(void)
+{
+   static const GLfloat tex_coords[] = {  0.0,  0.0,  1.0,  1.0,  0.0 };
+   static const GLfloat vtx_coords[] = { -1.0, -1.0,  1.0,  1.0, -1.0 };
+   GLint i, j;
+
+   glEnable(GL_TEXTURE_2D);
+
+   for (i = 0; i < numTexObj; i++) {
+      glBindTexture(GL_TEXTURE_2D, texObj[i]);
+      glBegin(GL_QUADS);
+      for (j = 0; j < 4; j++ ) {
+         glTexCoord2f(tex_coords[j], tex_coords[j+1]);
+         glVertex2f( vtx_coords[j], vtx_coords[j+1] );
+      }
+      glEnd();
+   }
+}
+
+
+static void Display( void )
+{
+   struct timeval start, end;
+
+   texObj = realloc(texObj, ++numTexObj * sizeof(*texObj));
+
+   /* allocate a texture object */
+   glGenTextures(1, texObj + (numTexObj - 1));
+
+   glBindTexture(GL_TEXTURE_2D, texObj[numTexObj - 1]);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+   memset(image, (16 * numTexObj) & 0xff, 4 * size * size);
+   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, size, size, 0,
+                GL_RGBA, GL_UNSIGNED_BYTE, image);
+
+   gettimeofday(&start, NULL);
+
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   glPushMatrix();
+      glScalef(5.0, 5.0, 5.0);
+      DrawObject();
+   glPopMatrix();
+
+   glutSwapBuffers();
+
+   glFinish();
+   gettimeofday(&end, NULL);
+   printf("Rendering frame took %lu ms using %u MB of textures\n",
+	  end.tv_sec * 1000 + end.tv_usec / 1000 - start.tv_sec * 1000 -
+	  start.tv_usec / 1000, numTexObj * 4 * size / 1024 * size / 1024);
+
+   sleep(1);
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho( -6.0, 6.0, -6.0, 6.0, 10.0, 100.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   glTranslatef( 0.0, 0.0, -70.0 );
+}
+
+
+static void Init( int argc, char *argv[] )
+{
+   glGetIntegerv(GL_MAX_TEXTURE_SIZE, &size);
+   printf("%d x %d max texture size\n", size, size);
+
+   image = malloc(4 * size * size);
+   if (!image) {
+      fprintf(stderr, "Failed to allocate %u bytes of memory\n", 4 * size * size);
+      exit(1);
+   }
+
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+   glShadeModel(GL_FLAT);
+   glClearColor(0.3, 0.3, 0.4, 1.0);
+
+   Idle();
+}
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowSize( 300, 300 );
+   glutInitWindowPosition( 0, 0 );
+   glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
+   glutCreateWindow(argv[0] );
+   glewInit();
+
+   Init( argc, argv );
+
+   glutReshapeFunc( Reshape );
+   glutDisplayFunc( Display );
+   glutIdleFunc(Idle);
+
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/tests/unfilledclip.c b/progs/tests/unfilledclip.c
index db6fffa3e8..331cbf2f6b 100644
--- a/progs/tests/unfilledclip.c
+++ b/progs/tests/unfilledclip.c
@@ -31,6 +31,7 @@
 
 static int win_width, win_height;
 
+#if 0
 static void
 line(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2)
 {
@@ -39,6 +40,7 @@ line(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2)
 	glVertex2f(x2, y2);
 	glEnd();
 }
+#endif
 
 static void
 line3(GLfloat x1, GLfloat y1, GLfloat z1, GLfloat x2, GLfloat y2, GLfloat z2)
diff --git a/progs/tests/vparray.c b/progs/tests/vparray.c
index af9b62d33e..fe168c6cd5 100644
--- a/progs/tests/vparray.c
+++ b/progs/tests/vparray.c
@@ -37,13 +37,16 @@ static void read_surface( char *filename )
    }
 
    numverts = 0;
-   while (!feof(f) && numverts < MAXVERTS) {
-      fscanf( f, "%f %f %f  %f %f %f",
-	      &data[numverts][0], &data[numverts][1], &data[numverts][2],
-	      &data[numverts][3], &data[numverts][4], &data[numverts][5] );
+   while (numverts < MAXVERTS) {
+      int result;
+      result = fscanf( f, "%f %f %f  %f %f %f",
+	               &data[numverts][0], &data[numverts][1], &data[numverts][2],
+	               &data[numverts][3], &data[numverts][4], &data[numverts][5] );
+      if (result == EOF) {
+         break;
+      }
       numverts++;
    }
-   numverts--;
 
    printf("%d vertices, %d triangles\n", numverts, numverts-2);
    printf("data = %p\n", (void *) data);
diff --git a/progs/tests/vpeval.c b/progs/tests/vpeval.c
index f07737f973..3e8a732df5 100644
--- a/progs/tests/vpeval.c
+++ b/progs/tests/vpeval.c
@@ -94,16 +94,16 @@ GLfloat colorPoints[4][4][4] =
 };
 
 
-void
+static void
 initlights(void)
 {
+#if 0 /* no lighting for now */
     GLfloat ambient[] = {0.2, 0.2, 0.2, 1.0};
     GLfloat position[] = {0.0, 0.0, 2.0, 1.0};
     GLfloat mat_diffuse[] = {0.6, 0.6, 0.6, 1.0};
     GLfloat mat_specular[] = {1.0, 1.0, 1.0, 1.0};
     GLfloat mat_shininess[] = {50.0};
 
-#if 0 /* no lighting for now */
     glEnable(GL_LIGHTING);
     glEnable(GL_LIGHT0);
 
@@ -116,7 +116,7 @@ initlights(void)
 #endif
 }
 
-void
+static void
 display(void)
 {
    glClearColor(.3, .3, .3, 0);
@@ -130,7 +130,7 @@ display(void)
     glFlush();
 }
 
-void
+static void
 myinit(int argc, char *argv[])
 {
     glClearColor(0.0, 0.0, 0.0, 1.0);
@@ -186,7 +186,7 @@ myinit(int argc, char *argv[])
     }
 }
 
-void
+static void
 myReshape(int w, int h)
 {
     glViewport(0, 0, w, h);
diff --git a/progs/trivial/.gitignore b/progs/trivial/.gitignore
index 4d6e405c50..4317eb607f 100644
--- a/progs/trivial/.gitignore
+++ b/progs/trivial/.gitignore
@@ -147,6 +147,7 @@ vbo-drawarrays
 vbo-drawelements
 vbo-drawrange
 vbo-noninterleaved
+vbo-tri
 vp-array
 vp-array-int
 vp-clip
diff --git a/progs/trivial/Makefile b/progs/trivial/Makefile
index 70728616d2..e15ec33ab5 100644
--- a/progs/trivial/Makefile
+++ b/progs/trivial/Makefile
@@ -153,6 +153,7 @@ SOURCES = \
 	tristrip-clip.c \
 	tristrip-flat.c \
 	tristrip.c \
+	vbo-tri.c \
 	vbo-drawarrays.c \
 	vbo-noninterleaved.c \
 	vbo-drawelements.c \
diff --git a/progs/trivial/SConscript b/progs/trivial/SConscript
index 9a1f3575bd..613383c77b 100644
--- a/progs/trivial/SConscript
+++ b/progs/trivial/SConscript
@@ -1,11 +1,4 @@
-Import('env')
-
-if not env['GLUT']:
-    Return()
-
-env = env.Clone()
-
-env.Prepend(LIBS = ['$GLUT_LIB'])
+Import('*')
 
 progs = [
     'clear-fbo-tex',
@@ -154,7 +147,7 @@ progs = [
 ]
 
 for prog in progs:
-    prog = env.Program(
+    prog = progs_env.Program(
         target = prog,
         source = prog + '.c',
     )
diff --git a/progs/trivial/clear-fbo-tex.c b/progs/trivial/clear-fbo-tex.c
index a206676e48..ff31706fd1 100644
--- a/progs/trivial/clear-fbo-tex.c
+++ b/progs/trivial/clear-fbo-tex.c
@@ -88,7 +88,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
@@ -102,8 +102,8 @@ static void Draw( void )
 
    /* draw to texture image */
    glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB);
-//   glDrawBuffer(GL_COLOR_ATTACHMENT1_EXT);
-//   glReadBuffer(GL_COLOR_ATTACHMENT1_EXT);
+   /* glDrawBuffer(GL_COLOR_ATTACHMENT1_EXT); */
+   /* glReadBuffer(GL_COLOR_ATTACHMENT1_EXT); */
 
    
    glViewport(0, 0, TexWidth, TexHeight);
diff --git a/progs/trivial/clear-fbo.c b/progs/trivial/clear-fbo.c
index 0aeb45489f..6435c901ad 100644
--- a/progs/trivial/clear-fbo.c
+++ b/progs/trivial/clear-fbo.c
@@ -73,7 +73,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/clear-random.c b/progs/trivial/clear-random.c
index e3da23a8f5..ab67f84518 100644
--- a/progs/trivial/clear-random.c
+++ b/progs/trivial/clear-random.c
@@ -61,7 +61,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(0);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/clear-scissor.c b/progs/trivial/clear-scissor.c
index 0173532748..2b6dee77a9 100644
--- a/progs/trivial/clear-scissor.c
+++ b/progs/trivial/clear-scissor.c
@@ -38,7 +38,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
     glutPostRedisplay();
 }
diff --git a/progs/trivial/clear.c b/progs/trivial/clear.c
index 03857b4b89..56c3ea52e6 100644
--- a/progs/trivial/clear.c
+++ b/progs/trivial/clear.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(0);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/createwin.c b/progs/trivial/createwin.c
index f2cc6f1cff..93da30ee29 100644
--- a/progs/trivial/createwin.c
+++ b/progs/trivial/createwin.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
@@ -116,6 +116,6 @@ int main(int argc, char **argv)
     glutReshapeFunc(Reshape);
     glutKeyboardFunc(Key);
     glutDisplayFunc(Draw);
-//    glutMainLoop();
+    /* glutMainLoop(); */
 	return 0;
 }
diff --git a/progs/trivial/dlist-begin-call-end.c b/progs/trivial/dlist-begin-call-end.c
index 0d0aed7c72..dbfaef3978 100644
--- a/progs/trivial/dlist-begin-call-end.c
+++ b/progs/trivial/dlist-begin-call-end.c
@@ -49,7 +49,7 @@ static void Init(void)
     */
    first_list = glGenLists(1);
    glNewList(first_list, GL_COMPILE); 
-//   glColor3f(0,1,0);
+   /* glColor3f(0,1,0); */
    glEndList();
 
 
@@ -87,7 +87,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/dlist-dangling.c b/progs/trivial/dlist-dangling.c
index de10628009..756ab93f87 100644
--- a/progs/trivial/dlist-dangling.c
+++ b/progs/trivial/dlist-dangling.c
@@ -74,7 +74,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/dlist-edgeflag-dangling.c b/progs/trivial/dlist-edgeflag-dangling.c
index 3d3aaeb694..51504471e2 100644
--- a/progs/trivial/dlist-edgeflag-dangling.c
+++ b/progs/trivial/dlist-edgeflag-dangling.c
@@ -76,7 +76,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/dlist-edgeflag.c b/progs/trivial/dlist-edgeflag.c
index 8002129ed1..9456b96473 100644
--- a/progs/trivial/dlist-edgeflag.c
+++ b/progs/trivial/dlist-edgeflag.c
@@ -81,7 +81,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/dlist-flat-tri.c b/progs/trivial/dlist-flat-tri.c
index c3dd7921e3..3ee9b283a4 100644
--- a/progs/trivial/dlist-flat-tri.c
+++ b/progs/trivial/dlist-flat-tri.c
@@ -93,7 +93,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/dlist-mat-tri.c b/progs/trivial/dlist-mat-tri.c
index ed3a4c5981..d17c4b913b 100644
--- a/progs/trivial/dlist-mat-tri.c
+++ b/progs/trivial/dlist-mat-tri.c
@@ -103,7 +103,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/dlist-recursive-call.c b/progs/trivial/dlist-recursive-call.c
index fe06b2bbd7..90224f63cb 100644
--- a/progs/trivial/dlist-recursive-call.c
+++ b/progs/trivial/dlist-recursive-call.c
@@ -118,7 +118,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/dlist-tri-flat-tri.c b/progs/trivial/dlist-tri-flat-tri.c
index 4dbb788486..3265a4d6dc 100644
--- a/progs/trivial/dlist-tri-flat-tri.c
+++ b/progs/trivial/dlist-tri-flat-tri.c
@@ -99,7 +99,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/dlist-tri-mat-tri.c b/progs/trivial/dlist-tri-mat-tri.c
index f69854ae58..053bb124a2 100644
--- a/progs/trivial/dlist-tri-mat-tri.c
+++ b/progs/trivial/dlist-tri-mat-tri.c
@@ -102,7 +102,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/draw2arrays.c b/progs/trivial/draw2arrays.c
index 95a89981d3..2345ae9e9e 100644
--- a/progs/trivial/draw2arrays.c
+++ b/progs/trivial/draw2arrays.c
@@ -66,7 +66,7 @@ static void Display( void )
 
    glEnable(GL_VERTEX_PROGRAM_ARB);
 
-//   glDrawArrays( GL_TRIANGLES, 0, 3 );
+   /* glDrawArrays( GL_TRIANGLES, 0, 3 ); */
    glDrawArrays( GL_TRIANGLES, 1, 3 );
 
    glFlush(); 
diff --git a/progs/trivial/drawarrays.c b/progs/trivial/drawarrays.c
index 27d86682f7..f5c0a50f9a 100644
--- a/progs/trivial/drawarrays.c
+++ b/progs/trivial/drawarrays.c
@@ -77,7 +77,7 @@ static void Display( void )
 
    glEnable(GL_VERTEX_PROGRAM_ARB);
 
-//   glDrawArrays( GL_TRIANGLES, 0, 3 );
+   /* glDrawArrays( GL_TRIANGLES, 0, 3 ); */
    glDrawArrays( GL_TRIANGLES, 1, 3 );
 
    glFlush(); 
diff --git a/progs/trivial/line-clip.c b/progs/trivial/line-clip.c
index 5276baffd5..e4e388ed5c 100644
--- a/progs/trivial/line-clip.c
+++ b/progs/trivial/line-clip.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/line-cull.c b/progs/trivial/line-cull.c
index 1e1b77a942..c531ff132f 100644
--- a/progs/trivial/line-cull.c
+++ b/progs/trivial/line-cull.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/line-flat.c b/progs/trivial/line-flat.c
index 14f0ac0782..e2ddb87b9e 100644
--- a/progs/trivial/line-flat.c
+++ b/progs/trivial/line-flat.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/line-stipple-wide.c b/progs/trivial/line-stipple-wide.c
index 1804ffad3f..767583bbea 100644
--- a/progs/trivial/line-stipple-wide.c
+++ b/progs/trivial/line-stipple-wide.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/line-userclip-clip.c b/progs/trivial/line-userclip-clip.c
index 8e030b47ce..3265b2c3bf 100644
--- a/progs/trivial/line-userclip-clip.c
+++ b/progs/trivial/line-userclip-clip.c
@@ -66,7 +66,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/line-userclip-nop-clip.c b/progs/trivial/line-userclip-nop-clip.c
index 6fcd4bcfe7..0198e27807 100644
--- a/progs/trivial/line-userclip-nop-clip.c
+++ b/progs/trivial/line-userclip-nop-clip.c
@@ -66,7 +66,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/line-userclip-nop.c b/progs/trivial/line-userclip-nop.c
index e59fd133a5..6c863a3c82 100644
--- a/progs/trivial/line-userclip-nop.c
+++ b/progs/trivial/line-userclip-nop.c
@@ -66,7 +66,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/line-userclip.c b/progs/trivial/line-userclip.c
index e30be5580b..6cfcb6fc73 100644
--- a/progs/trivial/line-userclip.c
+++ b/progs/trivial/line-userclip.c
@@ -66,7 +66,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/line-wide.c b/progs/trivial/line-wide.c
index b74021dea7..1945712c5d 100644
--- a/progs/trivial/line-wide.c
+++ b/progs/trivial/line-wide.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/line.c b/progs/trivial/line.c
index e1d73280bf..58ab96836f 100644
--- a/progs/trivial/line.c
+++ b/progs/trivial/line.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/lineloop-clip.c b/progs/trivial/lineloop-clip.c
index 45fa47491f..5e6b6217a1 100644
--- a/progs/trivial/lineloop-clip.c
+++ b/progs/trivial/lineloop-clip.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/lineloop.c b/progs/trivial/lineloop.c
index c290dbd8cb..82eccd24f8 100644
--- a/progs/trivial/lineloop.c
+++ b/progs/trivial/lineloop.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/linestrip-clip.c b/progs/trivial/linestrip-clip.c
index f252822921..5e90ea2eb0 100644
--- a/progs/trivial/linestrip-clip.c
+++ b/progs/trivial/linestrip-clip.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/linestrip-flat-stipple.c b/progs/trivial/linestrip-flat-stipple.c
index 5caa724423..bae5c3a1c3 100644
--- a/progs/trivial/linestrip-flat-stipple.c
+++ b/progs/trivial/linestrip-flat-stipple.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/linestrip-stipple-wide.c b/progs/trivial/linestrip-stipple-wide.c
index 701c82c266..0296941a0d 100644
--- a/progs/trivial/linestrip-stipple-wide.c
+++ b/progs/trivial/linestrip-stipple-wide.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/linestrip-stipple.c b/progs/trivial/linestrip-stipple.c
index df2eef96b5..a847d47dee 100644
--- a/progs/trivial/linestrip-stipple.c
+++ b/progs/trivial/linestrip-stipple.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/linestrip.c b/progs/trivial/linestrip.c
index 0219b1ab70..b6d6882146 100644
--- a/progs/trivial/linestrip.c
+++ b/progs/trivial/linestrip.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/point-clip.c b/progs/trivial/point-clip.c
index 4c89ba598d..23cfd77863 100644
--- a/progs/trivial/point-clip.c
+++ b/progs/trivial/point-clip.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/point-param.c b/progs/trivial/point-param.c
index 6f43720a89..46bd773265 100644
--- a/progs/trivial/point-param.c
+++ b/progs/trivial/point-param.c
@@ -59,7 +59,7 @@ static void Key(unsigned char key, int x, int y)
     case 27:
 	exit(1);
     default:
-	return;
+	break;
     }
     glutPostRedisplay();
 }
diff --git a/progs/trivial/point-sprite.c b/progs/trivial/point-sprite.c
index 5d29a6a3cf..16e6771514 100644
--- a/progs/trivial/point-sprite.c
+++ b/progs/trivial/point-sprite.c
@@ -96,7 +96,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/point-wide-smooth.c b/progs/trivial/point-wide-smooth.c
index f6e9b8df5f..752cb8aee3 100644
--- a/progs/trivial/point-wide-smooth.c
+++ b/progs/trivial/point-wide-smooth.c
@@ -63,7 +63,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/point-wide.c b/progs/trivial/point-wide.c
index 8abd64c6a9..3b00ee9e50 100644
--- a/progs/trivial/point-wide.c
+++ b/progs/trivial/point-wide.c
@@ -63,7 +63,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/point.c b/progs/trivial/point.c
index 49959dcc48..8f5299cf6b 100644
--- a/progs/trivial/point.c
+++ b/progs/trivial/point.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/poly-flat-clip.c b/progs/trivial/poly-flat-clip.c
index 5490068b08..2a968bed40 100644
--- a/progs/trivial/poly-flat-clip.c
+++ b/progs/trivial/poly-flat-clip.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/poly-flat-unfilled-clip.c b/progs/trivial/poly-flat-unfilled-clip.c
index 26b90ef964..89f4e0656a 100644
--- a/progs/trivial/poly-flat-unfilled-clip.c
+++ b/progs/trivial/poly-flat-unfilled-clip.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/poly-flat.c b/progs/trivial/poly-flat.c
index a4e3cdb633..33c2e04e0f 100644
--- a/progs/trivial/poly-flat.c
+++ b/progs/trivial/poly-flat.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/poly-unfilled.c b/progs/trivial/poly-unfilled.c
index 2ad443dc15..c8c0d7a9e3 100644
--- a/progs/trivial/poly-unfilled.c
+++ b/progs/trivial/poly-unfilled.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/poly.c b/progs/trivial/poly.c
index e5b788ea5b..964eb42d78 100644
--- a/progs/trivial/poly.c
+++ b/progs/trivial/poly.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quad-clip-all-vertices.c b/progs/trivial/quad-clip-all-vertices.c
index 60c87fc9ce..7712d8ca5b 100644
--- a/progs/trivial/quad-clip-all-vertices.c
+++ b/progs/trivial/quad-clip-all-vertices.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quad-clip.c b/progs/trivial/quad-clip.c
index 063de6106a..2847c9f960 100644
--- a/progs/trivial/quad-clip.c
+++ b/progs/trivial/quad-clip.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quad-degenerate.c b/progs/trivial/quad-degenerate.c
index fdc142bcd6..85e129d4be 100644
--- a/progs/trivial/quad-degenerate.c
+++ b/progs/trivial/quad-degenerate.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quad-flat.c b/progs/trivial/quad-flat.c
index e3147b3b3f..bed98e31a4 100644
--- a/progs/trivial/quad-flat.c
+++ b/progs/trivial/quad-flat.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quad-offset-factor.c b/progs/trivial/quad-offset-factor.c
index dfe99bbae6..1fc57a54ae 100644
--- a/progs/trivial/quad-offset-factor.c
+++ b/progs/trivial/quad-offset-factor.c
@@ -55,7 +55,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quad-offset-unfilled.c b/progs/trivial/quad-offset-unfilled.c
index 06590021fe..62f50fb98c 100644
--- a/progs/trivial/quad-offset-unfilled.c
+++ b/progs/trivial/quad-offset-unfilled.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quad-offset-units.c b/progs/trivial/quad-offset-units.c
index 922529d977..1ac2338692 100644
--- a/progs/trivial/quad-offset-units.c
+++ b/progs/trivial/quad-offset-units.c
@@ -55,7 +55,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quad-tex-alpha.c b/progs/trivial/quad-tex-alpha.c
index eebaf9170e..9db6792fad 100644
--- a/progs/trivial/quad-tex-alpha.c
+++ b/progs/trivial/quad-tex-alpha.c
@@ -88,7 +88,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quad-tex-pbo.c b/progs/trivial/quad-tex-pbo.c
index ad41a9a22e..b7aa1db436 100644
--- a/progs/trivial/quad-tex-pbo.c
+++ b/progs/trivial/quad-tex-pbo.c
@@ -105,7 +105,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quad-unfilled-clip.c b/progs/trivial/quad-unfilled-clip.c
index 761878bd4b..d2e8718775 100644
--- a/progs/trivial/quad-unfilled-clip.c
+++ b/progs/trivial/quad-unfilled-clip.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quad-unfilled-stipple.c b/progs/trivial/quad-unfilled-stipple.c
index cd7d276928..8c1737e675 100644
--- a/progs/trivial/quad-unfilled-stipple.c
+++ b/progs/trivial/quad-unfilled-stipple.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quad-unfilled.c b/progs/trivial/quad-unfilled.c
index d64f17fdf9..b756449d7a 100644
--- a/progs/trivial/quad-unfilled.c
+++ b/progs/trivial/quad-unfilled.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quad.c b/progs/trivial/quad.c
index d360e309d3..582de783d5 100644
--- a/progs/trivial/quad.c
+++ b/progs/trivial/quad.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quads.c b/progs/trivial/quads.c
index fe11fef207..de7854a255 100644
--- a/progs/trivial/quads.c
+++ b/progs/trivial/quads.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quadstrip-cont.c b/progs/trivial/quadstrip-cont.c
index 329523531a..44412698dc 100644
--- a/progs/trivial/quadstrip-cont.c
+++ b/progs/trivial/quadstrip-cont.c
@@ -57,7 +57,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quadstrip-flat.c b/progs/trivial/quadstrip-flat.c
index 228c6c255e..0e0b3b49fa 100644
--- a/progs/trivial/quadstrip-flat.c
+++ b/progs/trivial/quadstrip-flat.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/quadstrip.c b/progs/trivial/quadstrip.c
index d49a9a5302..1be815fb8c 100644
--- a/progs/trivial/quadstrip.c
+++ b/progs/trivial/quadstrip.c
@@ -57,7 +57,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/readpixels.c b/progs/trivial/readpixels.c
index 5671618446..b063f17956 100644
--- a/progs/trivial/readpixels.c
+++ b/progs/trivial/readpixels.c
@@ -39,7 +39,7 @@ static void Key(unsigned char key, int x, int y)
    case 27:
       exit(0);
    default:
-      return;
+      break;
    }
    glutPostRedisplay();
 }
diff --git a/progs/trivial/tri-alpha-tex.c b/progs/trivial/tri-alpha-tex.c
index 780ebe6be5..853d564ae7 100644
--- a/progs/trivial/tri-alpha-tex.c
+++ b/progs/trivial/tri-alpha-tex.c
@@ -88,7 +88,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-alpha.c b/progs/trivial/tri-alpha.c
index aec1cbb377..bd1c88ecf8 100644
--- a/progs/trivial/tri-alpha.c
+++ b/progs/trivial/tri-alpha.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-blend-color.c b/progs/trivial/tri-blend-color.c
index 92f019259e..629b35c4ab 100644
--- a/progs/trivial/tri-blend-color.c
+++ b/progs/trivial/tri-blend-color.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-blend-max.c b/progs/trivial/tri-blend-max.c
index b39f8f3f12..b173dab8ec 100644
--- a/progs/trivial/tri-blend-max.c
+++ b/progs/trivial/tri-blend-max.c
@@ -83,7 +83,7 @@ static void drawRightTriangle(void)
    glDisable (GL_BLEND);
 }
 
-void display(void)
+static void display(void)
 {
    glClear(GL_COLOR_BUFFER_BIT);
 
@@ -99,7 +99,7 @@ void display(void)
    glFlush();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -111,7 +111,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 't':
diff --git a/progs/trivial/tri-blend-min.c b/progs/trivial/tri-blend-min.c
index 656297c0ce..629139acae 100644
--- a/progs/trivial/tri-blend-min.c
+++ b/progs/trivial/tri-blend-min.c
@@ -83,7 +83,7 @@ static void drawRightTriangle(void)
    glDisable (GL_BLEND);
 }
 
-void display(void)
+static void display(void)
 {
    glClear(GL_COLOR_BUFFER_BIT);
 
@@ -99,7 +99,7 @@ void display(void)
    glFlush();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -111,7 +111,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 't':
diff --git a/progs/trivial/tri-blend-revsub.c b/progs/trivial/tri-blend-revsub.c
index fe225f1f4e..ef1e92c85d 100644
--- a/progs/trivial/tri-blend-revsub.c
+++ b/progs/trivial/tri-blend-revsub.c
@@ -83,7 +83,7 @@ static void drawRightTriangle(void)
    glDisable (GL_BLEND);
 }
 
-void display(void)
+static void display(void)
 {
    glClear(GL_COLOR_BUFFER_BIT);
 
@@ -99,7 +99,7 @@ void display(void)
    glFlush();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -111,7 +111,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 't':
diff --git a/progs/trivial/tri-blend-sub.c b/progs/trivial/tri-blend-sub.c
index cc1aeaf4a4..3c560ae6ef 100644
--- a/progs/trivial/tri-blend-sub.c
+++ b/progs/trivial/tri-blend-sub.c
@@ -83,7 +83,7 @@ static void drawRightTriangle(void)
    glDisable (GL_BLEND);
 }
 
-void display(void)
+static void display(void)
 {
    glClear(GL_COLOR_BUFFER_BIT);
 
@@ -99,7 +99,7 @@ void display(void)
    glFlush();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -111,7 +111,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 't':
diff --git a/progs/trivial/tri-blend.c b/progs/trivial/tri-blend.c
index 58c451c976..f41be89b09 100644
--- a/progs/trivial/tri-blend.c
+++ b/progs/trivial/tri-blend.c
@@ -81,7 +81,7 @@ static void drawRightTriangle(void)
    glDisable (GL_BLEND);
 }
 
-void display(void)
+static void display(void)
 {
    glClear(GL_COLOR_BUFFER_BIT);
 
@@ -97,7 +97,7 @@ void display(void)
    glFlush();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -109,7 +109,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 't':
diff --git a/progs/trivial/tri-clear.c b/progs/trivial/tri-clear.c
index f49186bd8a..e52ed81bf4 100644
--- a/progs/trivial/tri-clear.c
+++ b/progs/trivial/tri-clear.c
@@ -63,7 +63,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-clip.c b/progs/trivial/tri-clip.c
index e1deca1bdc..3e3879c985 100644
--- a/progs/trivial/tri-clip.c
+++ b/progs/trivial/tri-clip.c
@@ -56,7 +56,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
     glutPostRedisplay();
 }
diff --git a/progs/trivial/tri-cull-both.c b/progs/trivial/tri-cull-both.c
index 864be710c2..809599d4a6 100644
--- a/progs/trivial/tri-cull-both.c
+++ b/progs/trivial/tri-cull-both.c
@@ -65,7 +65,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-dlist.c b/progs/trivial/tri-dlist.c
index c410be221a..62d0a965d8 100644
--- a/progs/trivial/tri-dlist.c
+++ b/progs/trivial/tri-dlist.c
@@ -75,7 +75,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-fbo-tex.c b/progs/trivial/tri-fbo-tex.c
index 72b4cf3683..8d1f871328 100644
--- a/progs/trivial/tri-fbo-tex.c
+++ b/progs/trivial/tri-fbo-tex.c
@@ -189,9 +189,6 @@ Key(unsigned char key, int x, int y)
 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);
diff --git a/progs/trivial/tri-fbo.c b/progs/trivial/tri-fbo.c
index 1ed177ffdf..089180f97a 100644
--- a/progs/trivial/tri-fbo.c
+++ b/progs/trivial/tri-fbo.c
@@ -75,7 +75,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-flat-clip.c b/progs/trivial/tri-flat-clip.c
index 2aab5ba00a..a23f8a382b 100644
--- a/progs/trivial/tri-flat-clip.c
+++ b/progs/trivial/tri-flat-clip.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-flat.c b/progs/trivial/tri-flat.c
index ea703ec6f3..0614321844 100644
--- a/progs/trivial/tri-flat.c
+++ b/progs/trivial/tri-flat.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-fog.c b/progs/trivial/tri-fog.c
index 0cea3d3258..7fc254a467 100644
--- a/progs/trivial/tri-fog.c
+++ b/progs/trivial/tri-fog.c
@@ -72,7 +72,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-fp-const-imm.c b/progs/trivial/tri-fp-const-imm.c
index d2df442abf..accea62042 100644
--- a/progs/trivial/tri-fp-const-imm.c
+++ b/progs/trivial/tri-fp-const-imm.c
@@ -92,7 +92,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-fp.c b/progs/trivial/tri-fp.c
index 4d1508120e..6ecfef4d2a 100644
--- a/progs/trivial/tri-fp.c
+++ b/progs/trivial/tri-fp.c
@@ -42,7 +42,7 @@ static void Init(void)
    static const char *prog1 =
       "!!ARBfp1.0\n"
       "MOV  result.color, fragment.texcoord[1];\n"
-//      "MOV  result.color, fragment.color;\n"
+      /* "MOV  result.color, fragment.color;\n" */
       "END\n";
 
 
@@ -90,7 +90,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-lit-material.c b/progs/trivial/tri-lit-material.c
index ff9fb2c4dd..16cebb2b98 100644
--- a/progs/trivial/tri-lit-material.c
+++ b/progs/trivial/tri-lit-material.c
@@ -65,7 +65,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-lit.c b/progs/trivial/tri-lit.c
index 15a7ad24c5..26ebd99d91 100644
--- a/progs/trivial/tri-lit.c
+++ b/progs/trivial/tri-lit.c
@@ -65,7 +65,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-logicop-none.c b/progs/trivial/tri-logicop-none.c
index 53c2614ac3..2b6a3d6f5c 100644
--- a/progs/trivial/tri-logicop-none.c
+++ b/progs/trivial/tri-logicop-none.c
@@ -101,7 +101,7 @@ static void Draw(void)
    glVertex3f( 0.5, -0.5, -30.0);
    glEnd();
 
-//   glLineWidth(12.0);
+   /* glLineWidth(12.0); */
 
    /* Redraw parts of the lines:
     */
diff --git a/progs/trivial/tri-logicop-xor.c b/progs/trivial/tri-logicop-xor.c
index f018a851ac..b8207cd6d8 100644
--- a/progs/trivial/tri-logicop-xor.c
+++ b/progs/trivial/tri-logicop-xor.c
@@ -105,7 +105,7 @@ static void Draw(void)
    glVertex3f( 0.5, -0.5, -30.0);
    glEnd();
 
-//   glLineWidth(12.0);
+   /* glLineWidth(12.0); */
 
    /* Redraw parts of the lines to remove them:
     */
diff --git a/progs/trivial/tri-multitex-vbo.c b/progs/trivial/tri-multitex-vbo.c
index e319447ac1..ca4edaa5dd 100644
--- a/progs/trivial/tri-multitex-vbo.c
+++ b/progs/trivial/tri-multitex-vbo.c
@@ -192,7 +192,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-orig.c b/progs/trivial/tri-orig.c
index e7cfee3a36..f86ac52a02 100644
--- a/progs/trivial/tri-orig.c
+++ b/progs/trivial/tri-orig.c
@@ -51,7 +51,7 @@ static void Reshape(int width, int height)
 
     glMatrixMode(GL_PROJECTION);
     glLoadIdentity();
-/*     glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0); */
+    glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
     glMatrixMode(GL_MODELVIEW);
 }
 
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
@@ -74,11 +74,11 @@ static void Draw(void)
 
    glBegin(GL_TRIANGLES);
    glColor3f(0,0,.7); 
-   glVertex3f( 0.9, -0.9, -0.0);
+   glVertex3f( 0.9, -0.9, -30.0);
    glColor3f(.8,0,0); 
-   glVertex3f( 0.9,  0.9, -0.0);
+   glVertex3f( 0.9,  0.9, -30.0);
    glColor3f(0,.9,0); 
-   glVertex3f(-0.9,  0.0, -0.0);
+   glVertex3f(-0.9,  0.0, -30.0);
    glEnd();
 
    glFlush();
@@ -119,7 +119,7 @@ int main(int argc, char **argv)
 
     glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
 
-    type = GLUT_RGB | GLUT_ALPHA;
+    type = GLUT_RGB;
     type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
     glutInitDisplayMode(type);
 
diff --git a/progs/trivial/tri-query.c b/progs/trivial/tri-query.c
index 94956a86f3..8898f182c7 100644
--- a/progs/trivial/tri-query.c
+++ b/progs/trivial/tri-query.c
@@ -72,7 +72,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-scissor-tri.c b/progs/trivial/tri-scissor-tri.c
index 608ebf29cf..d65502d91b 100644
--- a/progs/trivial/tri-scissor-tri.c
+++ b/progs/trivial/tri-scissor-tri.c
@@ -63,7 +63,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-square.c b/progs/trivial/tri-square.c
index 0b82a1dd8e..2014bd489c 100644
--- a/progs/trivial/tri-square.c
+++ b/progs/trivial/tri-square.c
@@ -63,7 +63,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-stipple.c b/progs/trivial/tri-stipple.c
index aa94fa224b..15a08fec7c 100644
--- a/progs/trivial/tri-stipple.c
+++ b/progs/trivial/tri-stipple.c
@@ -77,7 +77,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-tex-3d.c b/progs/trivial/tri-tex-3d.c
index 3ccbe12510..073a080d7a 100644
--- a/progs/trivial/tri-tex-3d.c
+++ b/progs/trivial/tri-tex-3d.c
@@ -97,7 +97,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-tex.c b/progs/trivial/tri-tex.c
index 56afb4748d..244e154504 100644
--- a/progs/trivial/tri-tex.c
+++ b/progs/trivial/tri-tex.c
@@ -94,7 +94,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-tri.c b/progs/trivial/tri-tri.c
index f996bd01a1..7bf400793e 100644
--- a/progs/trivial/tri-tri.c
+++ b/progs/trivial/tri-tri.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-unfilled-clip.c b/progs/trivial/tri-unfilled-clip.c
index 2fd894a49a..585919e16d 100644
--- a/progs/trivial/tri-unfilled-clip.c
+++ b/progs/trivial/tri-unfilled-clip.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-unfilled-edgeflag.c b/progs/trivial/tri-unfilled-edgeflag.c
index 11c21d1bf6..f536f64229 100644
--- a/progs/trivial/tri-unfilled-edgeflag.c
+++ b/progs/trivial/tri-unfilled-edgeflag.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-unfilled-point.c b/progs/trivial/tri-unfilled-point.c
index 750a254669..11e276e1a5 100644
--- a/progs/trivial/tri-unfilled-point.c
+++ b/progs/trivial/tri-unfilled-point.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-unfilled-smooth.c b/progs/trivial/tri-unfilled-smooth.c
index eddae176e5..fa31667e65 100644
--- a/progs/trivial/tri-unfilled-smooth.c
+++ b/progs/trivial/tri-unfilled-smooth.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-unfilled-tri-lit.c b/progs/trivial/tri-unfilled-tri-lit.c
index 1d42b40b71..d6baeb4697 100644
--- a/progs/trivial/tri-unfilled-tri-lit.c
+++ b/progs/trivial/tri-unfilled-tri-lit.c
@@ -65,7 +65,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-unfilled-tri.c b/progs/trivial/tri-unfilled-tri.c
index 695cc89095..75a70b8a41 100644
--- a/progs/trivial/tri-unfilled-tri.c
+++ b/progs/trivial/tri-unfilled-tri.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-unfilled-userclip-stip.c b/progs/trivial/tri-unfilled-userclip-stip.c
index ddc0dffd4f..02bfa92f83 100644
--- a/progs/trivial/tri-unfilled-userclip-stip.c
+++ b/progs/trivial/tri-unfilled-userclip-stip.c
@@ -67,7 +67,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-unfilled-userclip.c b/progs/trivial/tri-unfilled-userclip.c
index 0dec0bfc9b..11e53fc7cc 100644
--- a/progs/trivial/tri-unfilled-userclip.c
+++ b/progs/trivial/tri-unfilled-userclip.c
@@ -66,7 +66,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-unfilled.c b/progs/trivial/tri-unfilled.c
index b98cb9a842..afa1058dad 100644
--- a/progs/trivial/tri-unfilled.c
+++ b/progs/trivial/tri-unfilled.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-userclip.c b/progs/trivial/tri-userclip.c
index 8f37e0fae2..5651c73832 100644
--- a/progs/trivial/tri-userclip.c
+++ b/progs/trivial/tri-userclip.c
@@ -66,7 +66,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-z-9.c b/progs/trivial/tri-z-9.c
index 099e89f6f4..37b9e2f873 100644
--- a/progs/trivial/tri-z-9.c
+++ b/progs/trivial/tri-z-9.c
@@ -61,7 +61,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-z-eq.c b/progs/trivial/tri-z-eq.c
index b81c992f7d..6bdac47419 100644
--- a/progs/trivial/tri-z-eq.c
+++ b/progs/trivial/tri-z-eq.c
@@ -61,7 +61,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tri-z.c b/progs/trivial/tri-z.c
index 014aaa071a..092249dd76 100644
--- a/progs/trivial/tri-z.c
+++ b/progs/trivial/tri-z.c
@@ -101,7 +101,7 @@ static void drawRightTriangle(void)
    glEnd();
 }
 
-void display(void)
+static void display(void)
 {
    printf("GL_CLEAR_DEPTH = %.2f,  GL_DEPTH_FUNC = %s,  DepthRange(%.1f, %.1f)\n",
           clearVal, funcs[curFunc].str, minZ, maxZ);
@@ -124,7 +124,7 @@ void display(void)
    glFlush();
 }
 
-void reshape(int w, int h)
+static void reshape(int w, int h)
 {
    glViewport(0, 0, (GLsizei) w, (GLsizei) h);
    glMatrixMode(GL_PROJECTION);
@@ -136,7 +136,7 @@ void reshape(int w, int h)
 }
 
 /* ARGSUSED1 */
-void keyboard(unsigned char key, int x, int y)
+static void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
       case 'n':
diff --git a/progs/trivial/trifan-flat-clip.c b/progs/trivial/trifan-flat-clip.c
index 199f91a637..89bc471191 100644
--- a/progs/trivial/trifan-flat-clip.c
+++ b/progs/trivial/trifan-flat-clip.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/trifan-flat-unfilled-clip.c b/progs/trivial/trifan-flat-unfilled-clip.c
index ea3e155387..3a1a226e54 100644
--- a/progs/trivial/trifan-flat-unfilled-clip.c
+++ b/progs/trivial/trifan-flat-unfilled-clip.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/trifan-flat.c b/progs/trivial/trifan-flat.c
index d69b4887e3..d25abdf49e 100644
--- a/progs/trivial/trifan-flat.c
+++ b/progs/trivial/trifan-flat.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/trifan-unfilled.c b/progs/trivial/trifan-unfilled.c
index 91447e4e44..2e3ff8218f 100644
--- a/progs/trivial/trifan-unfilled.c
+++ b/progs/trivial/trifan-unfilled.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/trifan.c b/progs/trivial/trifan.c
index 84eb4172de..b8a7615114 100644
--- a/progs/trivial/trifan.c
+++ b/progs/trivial/trifan.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tristrip-clip.c b/progs/trivial/tristrip-clip.c
index 343e293804..4e6ee1fbca 100644
--- a/progs/trivial/tristrip-clip.c
+++ b/progs/trivial/tristrip-clip.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tristrip-flat.c b/progs/trivial/tristrip-flat.c
index 02da97efce..a90b8b6cb6 100644
--- a/progs/trivial/tristrip-flat.c
+++ b/progs/trivial/tristrip-flat.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/tristrip.c b/progs/trivial/tristrip.c
index 77bf2fad28..29915ff111 100644
--- a/progs/trivial/tristrip.c
+++ b/progs/trivial/tristrip.c
@@ -62,7 +62,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/vbo-drawarrays.c b/progs/trivial/vbo-drawarrays.c
index c29954b903..cb26e84115 100644
--- a/progs/trivial/vbo-drawarrays.c
+++ b/progs/trivial/vbo-drawarrays.c
@@ -83,7 +83,7 @@ static void Display( void )
 
    glEnable(GL_VERTEX_PROGRAM_ARB);
 
-//   glDrawArrays( GL_TRIANGLES, 0, 3 );
+   /* glDrawArrays( GL_TRIANGLES, 0, 3 ); */
    glDrawArrays( GL_TRIANGLES, 1, 3 );
 
    glFlush(); 
diff --git a/progs/trivial/vbo-noninterleaved.c b/progs/trivial/vbo-noninterleaved.c
index 0672ca50ff..f7c42a8981 100644
--- a/progs/trivial/vbo-noninterleaved.c
+++ b/progs/trivial/vbo-noninterleaved.c
@@ -87,8 +87,8 @@ static void Display( void )
 
    glEnable(GL_VERTEX_PROGRAM_ARB);
 
-//   glDrawArrays( GL_TRIANGLES, 0, 3 );
-//   glDrawArrays( GL_TRIANGLES, 1, 3 );
+   /* glDrawArrays( GL_TRIANGLES, 0, 3 ); */
+   /* glDrawArrays( GL_TRIANGLES, 1, 3 ); */
    glDrawArrays( GL_QUADS, 0, 4 );
 
    glFlush(); 
diff --git a/progs/trivial/vbo-tri.c b/progs/trivial/vbo-tri.c
new file mode 100644
index 0000000000..d4cba14414
--- /dev/null
+++ b/progs/trivial/vbo-tri.c
@@ -0,0 +1,131 @@
+/* Even simpler for many drivers than trivial/tri -- pass-through
+ * vertex shader and vertex data in a VBO.
+ */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glew.h>
+#include <GL/glut.h>
+
+
+struct {
+   GLfloat pos[4];
+   GLfloat color[4];
+} verts[] =  
+{
+   { {  -0.9, -0.9, 0.0, 1.0 },
+     {.8,0,0, 1}, 
+   },
+
+   { {  0.9,  -0.9, 0.0, 1.0 },
+     { 0, .9, 0, 1 },
+   },
+
+   { { 0,  0.9, 0.0, 1.0 },
+     {0,0,.7, 1}, 
+   },
+};
+
+GLuint arrayObj;
+
+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 );
+
+   glGenBuffersARB(1, &arrayObj);
+   glBindBufferARB(GL_ARRAY_BUFFER_ARB, arrayObj);
+   glBufferDataARB(GL_ARRAY_BUFFER_ARB, sizeof(verts), verts, GL_STATIC_DRAW_ARB);
+
+   glVertexPointer( 4, GL_FLOAT, sizeof(verts[0]), 0 );
+   glColorPointer( 4, GL_FLOAT, sizeof(verts[0]), (void *)(4*sizeof(float)) );
+}
+
+
+
+static void Display( void )
+{
+   glClearColor(0.3, 0.3, 0.3, 1);
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   glEnable(GL_VERTEX_PROGRAM_NV);
+   glDrawArrays( GL_TRIANGLES, 0, 3 );
+
+   glutSwapBuffers();
+}
+
+
+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_DOUBLE );
+   glutCreateWindow(argv[0]);
+   glewInit();
+   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
index 42bf9806b1..9cbc4d1193 100644
--- a/progs/trivial/vp-tri-cb-pos.c
+++ b/progs/trivial/vp-tri-cb-pos.c
@@ -81,7 +81,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/vp-tri-cb-tex.c b/progs/trivial/vp-tri-cb-tex.c
index 8290226675..e543e2ec3f 100644
--- a/progs/trivial/vp-tri-cb-tex.c
+++ b/progs/trivial/vp-tri-cb-tex.c
@@ -114,7 +114,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/trivial/vp-tri-invariant.c b/progs/trivial/vp-tri-invariant.c
index ff24139365..4dbe95eb9a 100644
--- a/progs/trivial/vp-tri-invariant.c
+++ b/progs/trivial/vp-tri-invariant.c
@@ -69,7 +69,7 @@ static void Key(unsigned char key, int x, int y)
       case 27:
 	exit(1);
       default:
-	return;
+	break;
     }
 
     glutPostRedisplay();
diff --git a/progs/util/readtex.c b/progs/util/readtex.c
index 8e923b6eb4..f6f511481c 100644
--- a/progs/util/readtex.c
+++ b/progs/util/readtex.c
@@ -9,6 +9,7 @@
 
 #include <GL/gl.h>
 #include <GL/glu.h>
+#include <assert.h>
 #include <stdio.h>
 #include <stdlib.h> 
 #include <string.h>
@@ -89,6 +90,7 @@ static rawImageRec *RawImageOpen(const char *fileName)
    rawImageRec *raw;
    GLenum swapFlag;
    int x;
+   size_t result;
 
    endianTest.testWord = 1;
    if (endianTest.testByte[0] == 1) {
@@ -109,14 +111,21 @@ static rawImageRec *RawImageOpen(const char *fileName)
          raw->file = fopen(baseName + 1, "rb");
       if(raw->file == NULL) {
          perror(fileName);
+         free(raw);
          return NULL;
       }
    }
 
-   fread(raw, 1, 12, raw->file);
+   result = fread(raw, 1, 12, raw->file);
+   assert(result == 12);
 
    if (swapFlag) {
-      ConvertShort(&raw->imagic, 6);
+      ConvertShort(&raw->imagic, 1);
+      ConvertShort(&raw->type, 1);
+      ConvertShort(&raw->dim, 1);
+      ConvertShort(&raw->sizeX, 1);
+      ConvertShort(&raw->sizeY, 1);
+      ConvertShort(&raw->sizeZ, 1);
    }
 
    raw->tmp = (unsigned char *)malloc(raw->sizeX*256);
@@ -129,6 +138,12 @@ static rawImageRec *RawImageOpen(const char *fileName)
    if (raw->tmp == NULL || raw->tmpR == NULL || raw->tmpG == NULL ||
        raw->tmpB == NULL) {
       fprintf(stderr, "Out of memory!\n");
+      free(raw->tmp);
+      free(raw->tmpR);
+      free(raw->tmpG);
+      free(raw->tmpB);
+      free(raw->tmpA);
+      free(raw);
       return NULL;
    }
 
@@ -138,12 +153,22 @@ static rawImageRec *RawImageOpen(const char *fileName)
       raw->rowSize = (GLint *)malloc(x);
       if (raw->rowStart == NULL || raw->rowSize == NULL) {
          fprintf(stderr, "Out of memory!\n");
+         free(raw->tmp);
+         free(raw->tmpR);
+         free(raw->tmpG);
+         free(raw->tmpB);
+         free(raw->tmpA);
+         free(raw->rowStart);
+         free(raw->rowSize);
+         free(raw);
          return NULL;
       }
       raw->rleEnd = 512 + (2 * x);
       fseek(raw->file, 512, SEEK_SET);
-      fread(raw->rowStart, 1, x, raw->file);
-      fread(raw->rowSize, 1, x, raw->file);
+      result = fread(raw->rowStart, 1, x, raw->file);
+      assert(result == x);
+      result = fread(raw->rowSize, 1, x, raw->file);
+      assert(result == x);
       if (swapFlag) {
          ConvertLong(raw->rowStart, (long) (x/sizeof(GLuint)));
          ConvertLong((GLuint *)raw->rowSize, (long) (x/sizeof(GLint)));
@@ -173,11 +198,13 @@ static void RawImageGetRow(rawImageRec *raw, unsigned char *buf, int y, int z)
 {
    unsigned char *iPtr, *oPtr, pixel;
    int count, done = 0;
+   size_t result;
 
    if ((raw->type & 0xFF00) == 0x0100) {
       fseek(raw->file, (long) raw->rowStart[y+z*raw->sizeY], SEEK_SET);
-      fread(raw->tmp, 1, (unsigned int)raw->rowSize[y+z*raw->sizeY],
-            raw->file);
+      result = fread(raw->tmp, 1, (unsigned int)raw->rowSize[y+z*raw->sizeY],
+                     raw->file);
+      assert(result == (unsigned int)raw->rowSize[y+z*raw->sizeY]);
       
       iPtr = raw->tmp;
       oPtr = buf;
@@ -202,7 +229,8 @@ static void RawImageGetRow(rawImageRec *raw, unsigned char *buf, int y, int z)
    } else {
       fseek(raw->file, 512+(y*raw->sizeX)+(z*raw->sizeX*raw->sizeY),
             SEEK_SET);
-      fread(buf, 1, raw->sizeX, raw->file);
+      result = fread(buf, 1, raw->sizeX, raw->file);
+      assert(result == raw->sizeX);
    }
 }
 
@@ -215,6 +243,7 @@ static void RawImageGetData(rawImageRec *raw, TK_RGBImageRec *final)
    final->data = (unsigned char *)malloc((raw->sizeX+1)*(raw->sizeY+1)*4);
    if (final->data == NULL) {
       fprintf(stderr, "Out of memory!\n");
+      return;
    }
 
    ptr = final->data;
@@ -250,6 +279,7 @@ static TK_RGBImageRec *tkRGBImageLoad(const char *fileName)
    final = (TK_RGBImageRec *)malloc(sizeof(TK_RGBImageRec));
    if (final == NULL) {
       fprintf(stderr, "Out of memory!\n");
+      RawImageClose(raw);
       return NULL;
    }
    final->sizeX = raw->sizeX;
@@ -305,6 +335,7 @@ GLboolean LoadRGBMipmaps2( const char *imageFile, GLenum target,
       fprintf(stderr,
               "Error in LoadRGBMipmaps %d-component images not implemented\n",
               image->components );
+      FreeImage(image);
       return GL_FALSE;
    }
 
@@ -356,6 +387,7 @@ GLubyte *LoadRGBImage( const char *imageFile, GLint *width, GLint *height,
       fprintf(stderr,
               "Error in LoadRGBImage %d-component images not implemented\n",
               image->components );
+      FreeImage(image);
       return NULL;
    }
 
@@ -364,8 +396,10 @@ GLubyte *LoadRGBImage( const char *imageFile, GLint *width, GLint *height,
 
    bytes = image->sizeX * image->sizeY * image->components;
    buffer = (GLubyte *) malloc(bytes);
-   if (!buffer)
+   if (!buffer) {
+      FreeImage(image);
       return NULL;
+   }
 
    memcpy( (void *) buffer, (void *) image->data, bytes );
 
@@ -438,6 +472,7 @@ GLushort *LoadYUVImage( const char *imageFile, GLint *width, GLint *height )
       fprintf(stderr,
               "Error in LoadYUVImage %d-component images not implemented\n",
               image->components );
+      FreeImage(image);
       return NULL;
    }
 
diff --git a/progs/util/shaderutil.c b/progs/util/shaderutil.c
index af50d64f51..2f44c388d8 100644
--- a/progs/util/shaderutil.c
+++ b/progs/util/shaderutil.c
@@ -25,7 +25,11 @@ GLboolean
 ShadersSupported(void)
 {
    const char *version = (const char *) glGetString(GL_VERSION);
-   if (version[0] == '2' && version[1] == '.') {
+
+   /* NVIDIA binary drivers will return "3.0.0", and they clearly support
+    * shaders.
+    */
+   if (version[0] >= '2' && version[1] == '.') {
       return GL_TRUE;
    }
    else if (glutExtensionSupported("GL_ARB_vertex_shader")
@@ -34,7 +38,8 @@ ShadersSupported(void)
       fprintf(stderr, "Warning: Trying ARB GLSL instead of OpenGL 2.x.  This may not work.\n");
       return GL_TRUE;
    }
-   return GL_TRUE;
+   fprintf(stderr, "Sorry, GLSL not supported with this OpenGL.\n");
+   return GL_FALSE;
 }
 
 
@@ -95,6 +100,7 @@ CompileShaderFile(GLenum shaderType, const char *filename)
       shader = CompileShaderText(shaderType, buffer);
    }
    else {
+      fclose(f);
       free(buffer);
       return 0;
    }
diff --git a/progs/vp/SConscript b/progs/vp/SConscript
index 640c5dd847..787cb793af 100644
--- a/progs/vp/SConscript
+++ b/progs/vp/SConscript
@@ -1,13 +1,6 @@
-Import('env')
+Import('*')
 
-if not env['GLUT']:
-    Return()
-
-env = env.Clone()
-
-env.Prepend(LIBS = ['$GLUT_LIB'])
-
-env.Program(
+progs_env.Program(
         target = 'vp-tris',
         source = ['vp-tris.c'],
     )
diff --git a/progs/vp/add-param-imm.txt b/progs/vp/add-param-imm.txt
new file mode 100644
index 0000000000..90bcf96528
--- /dev/null
+++ b/progs/vp/add-param-imm.txt
@@ -0,0 +1,7 @@
+!!ARBvp1.0
+TEMP R0;
+PARAM Emission = state.material.emission; 
+ADD R0, vertex.color, {-0.5}.x;
+ADD result.color, R0, Emission.w;
+MOV  result.position, vertex.position;
+END
diff --git a/progs/vp/vp-tris.c b/progs/vp/vp-tris.c
index 1356242d97..09236c296f 100644
--- a/progs/vp/vp-tris.c
+++ b/progs/vp/vp-tris.c
@@ -96,12 +96,15 @@ static void Init( void )
       exit(1);
    }
 
-   sz = (GLuint) fread(buf, 1, sizeof(buf), f);
+   sz = (GLuint) fread(buf, 1, sizeof(buf) - 1, f);
+   buf[sizeof(buf) - 1] = '\0';
    if (!feof(f)) {
       fprintf(stderr, "file too long\n");
+      fclose(f);
       exit(1);
    }
 
+   fclose(f);
    fprintf(stderr, "%.*s\n", sz, buf);
 
    if (strncmp( buf, "!!VP", 4 ) == 0) {
diff --git a/progs/vpglsl/SConscript b/progs/vpglsl/SConscript
index 640c5dd847..787cb793af 100644
--- a/progs/vpglsl/SConscript
+++ b/progs/vpglsl/SConscript
@@ -1,13 +1,6 @@
-Import('env')
+Import('*')
 
-if not env['GLUT']:
-    Return()
-
-env = env.Clone()
-
-env.Prepend(LIBS = ['$GLUT_LIB'])
-
-env.Program(
+progs_env.Program(
         target = 'vp-tris',
         source = ['vp-tris.c'],
     )
diff --git a/progs/vpglsl/psiz-mul.glsl b/progs/vpglsl/psiz-mul.glsl
index 77f4a46b52..d2a90d8578 100644
--- a/progs/vpglsl/psiz-mul.glsl
+++ b/progs/vpglsl/psiz-mul.glsl
@@ -1,6 +1,6 @@
 
 void main() {
     gl_FrontColor = gl_Color;
-    gl_PointSize = 10 * gl_Color.x;
+    gl_PointSize = 10.0 * gl_Color.x;
     gl_Position = gl_Vertex;
 }
diff --git a/progs/vpglsl/vp-tris.c b/progs/vpglsl/vp-tris.c
index b2b0508091..6a1fa3d3bf 100644
--- a/progs/vpglsl/vp-tris.c
+++ b/progs/vpglsl/vp-tris.c
@@ -84,9 +84,9 @@ static void check_link(GLuint prog)
 static void setup_uniforms()
 {
    {
-      GLuint loc1f = glGetUniformLocationARB(program, "Offset1f");
-      GLuint loc2f = glGetUniformLocationARB(program, "Offset2f");
-      GLuint loc4f = glGetUniformLocationARB(program, "Offset4f");
+      GLint loc1f = glGetUniformLocationARB(program, "Offset1f");
+      GLint loc2f = glGetUniformLocationARB(program, "Offset2f");
+      GLint loc4f = glGetUniformLocationARB(program, "Offset4f");
       GLfloat vecKer[] =
          { 1.0, 0.0, 0.0,  1.0,
            0.0, 1.0, 0.0,  1.0,
@@ -105,9 +105,9 @@ static void setup_uniforms()
    }
 
    {
-      GLuint loc1f = glGetUniformLocationARB(program, "KernelValue1f");
-      GLuint loc2f = glGetUniformLocationARB(program, "KernelValue2f");
-      GLuint loc4f = glGetUniformLocationARB(program, "KernelValue4f");
+      GLint loc1f = glGetUniformLocationARB(program, "KernelValue1f");
+      GLint loc2f = glGetUniformLocationARB(program, "KernelValue2f");
+      GLint loc4f = glGetUniformLocationARB(program, "KernelValue4f");
       GLfloat vecKer[] =
          { 1.0, 0.0, 0.0,  0.25,
            0.0, 1.0, 0.0,  0.25,
diff --git a/progs/wgl/SConscript b/progs/wgl/SConscript
index 31f61676de..248cc53a8d 100644
--- a/progs/wgl/SConscript
+++ b/progs/wgl/SConscript
@@ -1,25 +1,17 @@
 Import('*')
 
-if env['platform'] != 'windows':
+if progs_env['platform'] != 'windows':
     Return()
 
-env = env.Clone()
-
-env.Append(LIBS = [
-    'kernel32',
-    'user32',
-    'gdi32',
-])
-
 progs = [
     'sharedtex_mt',
     'wglthreads',
 ]
 
 for prog in progs:
-    env.Program(
+    progs_env.Program(
         target = prog,
         source = prog + '/' + prog + '.c',
     )
 
-env.Program('wglinfo', ['wglinfo.c'])
+progs_env.Program('wglinfo', ['wglinfo.c'])
diff --git a/progs/xdemos/.gitignore b/progs/xdemos/.gitignore
index 1b9b3a87c0..5ae0f5a062 100644
--- a/progs/xdemos/.gitignore
+++ b/progs/xdemos/.gitignore
@@ -26,3 +26,4 @@ xdemo
 xfont
 xrotfontdemo
 yuvrect_client
+msctest
diff --git a/progs/xdemos/Makefile b/progs/xdemos/Makefile
index 53e1c54ef3..f866a32865 100644
--- a/progs/xdemos/Makefile
+++ b/progs/xdemos/Makefile
@@ -8,6 +8,9 @@ INCDIR = $(TOP)/include
 
 LIB_DEP = $(TOP)/$(LIB_DIR)/$(GL_LIB_NAME)
 
+# Add X11 and pthread libs to satisfy GNU gold.
+APP_LIB_DEPS += -lX11 -lpthread
+
 LIBS = -L$(TOP)/$(LIB_DIR) -l$(GL_LIB) $(APP_LIB_DEPS)
 
 PROGS = \
@@ -26,6 +29,7 @@ PROGS = \
 	glxsnoop \
 	glxswapcontrol \
 	manywin \
+	msctest \
 	multictx \
 	offset \
 	overlay \
diff --git a/progs/xdemos/corender.c b/progs/xdemos/corender.c
index f2b8145e52..640c902c13 100644
--- a/progs/xdemos/corender.c
+++ b/progs/xdemos/corender.c
@@ -55,6 +55,7 @@ setup_ipc(void)
 
       printf("Waiting for connection from another 'corender'\n");
       Sock = AcceptConnection(k);
+      assert(Sock != -1);
 
       printf("Got connection, sending windowID\n");
 
@@ -186,7 +187,7 @@ redraw(Display *dpy)
        * Without this glClear(), depth buffer for the second process
        * is pretty much broken.
        */
-      //glClear(GL_DEPTH_BUFFER_BIT);
+      /* glClear(GL_DEPTH_BUFFER_BIT); */
 
       glPushMatrix();
       glTranslatef(1, 0, 0);
diff --git a/progs/xdemos/glsync.c b/progs/xdemos/glsync.c
index da87306cf2..c00ba9e468 100644
--- a/progs/xdemos/glsync.c
+++ b/progs/xdemos/glsync.c
@@ -59,6 +59,7 @@
 
 void (*video_sync_get)();
 void (*video_sync)();
+void (*swap_interval)();
 
 static int GLXExtensionSupported(Display *dpy, const char *extension)
 {
@@ -84,12 +85,12 @@ static int GLXExtensionSupported(Display *dpy, const char *extension)
 
 extern char *optarg;
 extern int optind, opterr, optopt;
-static char optstr[] = "w:h:s:v";
+static char optstr[] = "w:h:s:vi:";
 
 enum sync_type {
 	none = 0,
 	sgi_video_sync,
-	buffer_swap,
+	buffer_swap
 };
 
 static void usage(char *name)
@@ -100,6 +101,7 @@ static void usage(char *name)
 	printf("\t\tn: none\n");
 	printf("\t\ts: SGI video sync extension\n");
 	printf("\t\tb: buffer swap\n");
+	printf("\t-i<swap interval>\n");
 	printf("\t-v: verbose (print count)\n");
 	exit(-1);
 }
@@ -109,16 +111,28 @@ int main(int argc, char *argv[])
 	Display *disp;
 	XVisualInfo *pvi;
 	XSetWindowAttributes swa;
-	int attrib[14];
 	GLint last_val = -1, count = 0;
 	Window winGL;
 	GLXContext context;
 	int dummy;
 	Atom wmDelete;
 	enum sync_type waitforsync = none;
-	int width = 500, height = 500, verbose = 0,
-		countonly = 0;
+	int width = 500, height = 500, verbose = 0, interval = 1;
 	int c, i = 1;
+	int ret;
+	int attribs[] = { GLX_RGBA,
+                     GLX_RED_SIZE, 1,
+                     GLX_GREEN_SIZE, 1,
+                     GLX_BLUE_SIZE, 1,
+                     None };
+	int db_attribs[] = { GLX_RGBA,
+                     GLX_RED_SIZE, 1,
+                     GLX_GREEN_SIZE, 1,
+                     GLX_BLUE_SIZE, 1,
+                     GLX_DOUBLEBUFFER,
+                     GLX_DEPTH_SIZE, 1,
+                     None };
+	XSizeHints sizehints;
 
 	opterr = 0;
 	while ((c = getopt(argc, argv, optstr)) != -1) {
@@ -148,6 +162,9 @@ int main(int argc, char *argv[])
 		case 'v':
 			verbose = 1;
 			break;
+		case 'i':
+			interval = atoi(optarg);
+			break;
 		default:
 			usage(argv[0]);
 			break;
@@ -170,34 +187,17 @@ int main(int argc, char *argv[])
 		return -1;
 	}
 
-	attrib[0] = GLX_RGBA;
-	attrib[1] = 1;
-	attrib[2] = GLX_RED_SIZE;
-	attrib[3] = 1;
-	attrib[4] = GLX_GREEN_SIZE;
-	attrib[5] = 1;
-	attrib[6] = GLX_BLUE_SIZE;
-	attrib[7] = 1;
-	if (waitforsync != buffer_swap)
-		attrib[8] = None;
-	else {
-		attrib[8] = GLX_DOUBLEBUFFER;
-		attrib[9] = 1;
-		attrib[10] = None;
+	if (waitforsync != buffer_swap) {
+		pvi = glXChooseVisual(disp, DefaultScreen(disp), attribs);
+	} else {
+		pvi = glXChooseVisual(disp, DefaultScreen(disp), db_attribs);
 	}
 
-	pvi = glXChooseVisual(disp, DefaultScreen(disp), attrib);
 	if (!pvi) {
 		fprintf(stderr, "failed to choose visual, exiting\n");
 		return -1;
 	}
 
-	context = glXCreateContext(disp, pvi, None, GL_TRUE);
-	if (!context) {
-		fprintf(stderr, "failed to create glx context\n");
-		return -1;
-	}
-
 	pvi->screen = DefaultScreen(disp);
 
 	swa.colormap = XCreateColormap(disp, RootWindow(disp, pvi->screen),
@@ -217,24 +217,58 @@ int main(int argc, char *argv[])
         wmDelete = XInternAtom(disp, "WM_DELETE_WINDOW", True);
         XSetWMProtocols(disp, winGL, &wmDelete, 1);
 
+	sizehints.x = 0;
+	sizehints.y = 0;
+	sizehints.width  = width;
+	sizehints.height = height;
+	sizehints.flags = USSize | USPosition;
+
+	XSetNormalHints(disp, winGL, &sizehints);
 	XSetStandardProperties(disp, winGL, "glsync test", "glsync text",
-			       None, NULL, 0, NULL);
+			       None, NULL, 0, &sizehints);
 
-	XMapRaised(disp, winGL);
+	context = glXCreateContext(disp, pvi, NULL, GL_TRUE);
+	if (!context) {
+		fprintf(stderr, "failed to create glx context\n");
+		return -1;
+	}
 
-	glXMakeCurrent(disp, winGL, context);
+	XMapWindow(disp, winGL);
+	ret = glXMakeCurrent(disp, winGL, context);
+	if (ret) {
+		fprintf(stderr, "failed to make context current: %d\n", ret);
+	}
 
 	video_sync_get = glXGetProcAddress((unsigned char *)"glXGetVideoSyncSGI");
 	video_sync = glXGetProcAddress((unsigned char *)"glXWaitVideoSyncSGI");
 
-	if (!video_sync_get || !video_sync) {
+	swap_interval = glXGetProcAddress((unsigned char *)"glXSwapIntervalSGI");
+
+	if (!video_sync_get || !video_sync || !swap_interval) {
 		fprintf(stderr, "failed to get sync functions\n");
 		return -1;
 	}
 
+	if (waitforsync == buffer_swap) {
+		swap_interval(interval);
+		fprintf(stderr, "set swap interval to %d\n", interval);
+	}
 	video_sync_get(&count);
 	count++;
+	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 	while (i++) {
+		/* Alternate colors to make tearing obvious */
+		if (i & 1) {
+			glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
+			glColor3f(1.0f, 1.0f, 1.0f);
+		} else {
+			glClearColor(1.0f, 0.0f, 0.0f, 0.0f);
+			glColor3f(1.0f, 0.0f, 0.0f);
+		}
+
+		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+		glRectf(0, 0, width, height);
+
 		/* Wait for vsync */
 		if (waitforsync == sgi_video_sync) {
 			if (verbose)
@@ -245,24 +279,19 @@ int main(int argc, char *argv[])
 			if (count == last_val)
 				fprintf(stderr, "error:  count didn't change: %d\n", count);
 			last_val = count;
+			glFlush();
 		} else if (waitforsync == buffer_swap) {
 			glXSwapBuffers(disp, winGL);
+		} else {
+			video_sync_get(&count);
+			sleep(1);
+			glFinish();
 		}
 
-		if (countonly) {
-			video_sync(2, 1, &count);
+		if (verbose) {
+			video_sync_get(&count);
 			fprintf(stderr, "current count: %d\n", count);
-			sleep(1);
-			continue;
 		}
-
-		/* Alternate colors to make tearing obvious */
-		if (i & 1)
-			glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
-		else
-			glClearColor(1.0f, 0.0f, 0.0f, 0.0f);
-		glClear(GL_COLOR_BUFFER_BIT);
-		glFlush();
 	}
 
 	XDestroyWindow(disp, winGL);
diff --git a/progs/xdemos/glxheads.c b/progs/xdemos/glxheads.c
index b1a63d3d50..edae0a3ef7 100644
--- a/progs/xdemos/glxheads.c
+++ b/progs/xdemos/glxheads.c
@@ -145,14 +145,40 @@ AddHead(const char *displayName)
    /* save the info for this head */
    {
       struct head *h = &Heads[NumHeads];
+      const char * tmp;
+
+      if (strlen(displayName) + 1 > sizeof(h->DisplayName)) {
+         Error(displayName, "displayName string length overflow");
+         return NULL;
+      }
       strcpy(h->DisplayName, displayName);
+
       h->Dpy = dpy;
       h->Win = win;
       h->Context = ctx;
       h->Angle = 0.0;
-      strcpy(h->Version, (char *) glGetString(GL_VERSION));
-      strcpy(h->Vendor, (char *) glGetString(GL_VENDOR));
-      strcpy(h->Renderer, (char *) glGetString(GL_RENDERER));
+
+      tmp = (char *) glGetString(GL_VERSION);
+      if (strlen(tmp) + 1 > sizeof(h->Version)) {
+         Error(displayName, "GL_VERSION string length overflow");
+         return NULL;
+      }
+      strcpy(h->Version, tmp);
+
+      tmp = (char *) glGetString(GL_VENDOR);
+      if (strlen(tmp) + 1 > sizeof(h->Vendor)) {
+         Error(displayName, "GL_VENDOR string length overflow");
+         return NULL;
+      }
+      strcpy(h->Vendor, tmp);
+
+      tmp = (char *) glGetString(GL_RENDERER);
+      if (strlen(tmp) + 1 > sizeof(h->Renderer)) {
+         Error(displayName, "GL_RENDERER string length overflow");
+         return NULL;
+      }
+      strcpy(h->Renderer, tmp);
+
       NumHeads++;
       return &Heads[NumHeads-1];
    }
diff --git a/progs/xdemos/glxinfo.c b/progs/xdemos/glxinfo.c
index 445d3ea94b..30cd568064 100644
--- a/progs/xdemos/glxinfo.c
+++ b/progs/xdemos/glxinfo.c
@@ -116,7 +116,7 @@ print_extension_list(const char *ext)
       return;
 
    width = indent;
-   printf(indentString);
+   printf("%s", indentString);
    i = j = 0;
    while (1) {
       if (ext[j] == ' ' || ext[j] == 0) {
@@ -126,7 +126,7 @@ print_extension_list(const char *ext)
             /* start a new line */
             printf("\n");
             width = indent;
-            printf(indentString);
+            printf("%s", indentString);
          }
          /* print the extension name between ext[i] and ext[j] */
          while (i < j) {
@@ -401,6 +401,10 @@ print_screen_info(Display *dpy, int scrnum, Bool allowDirect, GLboolean limits)
 
    root = RootWindow(dpy, scrnum);
 
+   /*
+    * Find a basic GLX visual.  We'll then create a rendering context and
+    * query various info strings.
+    */
    visinfo = glXChooseVisual(dpy, scrnum, attribSingle);
    if (!visinfo)
       visinfo = glXChooseVisual(dpy, scrnum, attribDouble);
@@ -409,26 +413,29 @@ print_screen_info(Display *dpy, int scrnum, Bool allowDirect, GLboolean limits)
       ctx = glXCreateContext( dpy, visinfo, NULL, allowDirect );
 
 #ifdef GLX_VERSION_1_3
-   {
+   /* Try glXChooseFBConfig() if glXChooseVisual didn't work.
+    * XXX when would that happen?
+    */
+   if (!visinfo) {
       int fbAttribSingle[] = {
 	 GLX_RENDER_TYPE,   GLX_RGBA_BIT,
 	 GLX_RED_SIZE,      1,
 	 GLX_GREEN_SIZE,    1,
 	 GLX_BLUE_SIZE,     1,
-	 GLX_DOUBLEBUFFER,  GL_TRUE,
+	 GLX_DOUBLEBUFFER,  GL_FALSE,
 	 None };
       int fbAttribDouble[] = {
 	 GLX_RENDER_TYPE,   GLX_RGBA_BIT,
 	 GLX_RED_SIZE,      1,
 	 GLX_GREEN_SIZE,    1,
 	 GLX_BLUE_SIZE,     1,
+	 GLX_DOUBLEBUFFER,  GL_TRUE,
 	 None };
       GLXFBConfig *configs = NULL;
       int nConfigs;
 
-      if (!visinfo)
-	 configs = glXChooseFBConfig(dpy, scrnum, fbAttribSingle, &nConfigs);
-      if (!visinfo)
+      configs = glXChooseFBConfig(dpy, scrnum, fbAttribSingle, &nConfigs);
+      if (!configs)
 	 configs = glXChooseFBConfig(dpy, scrnum, fbAttribDouble, &nConfigs);
 
       if (configs) {
@@ -964,8 +971,10 @@ print_fbconfig_info(Display *dpy, int scrnum, InfoMode mode)
    /* get list of all fbconfigs on this screen */
    fbconfigs = glXGetFBConfigs(dpy, scrnum, &numFBConfigs);
 
-   if (numFBConfigs == 0)
+   if (numFBConfigs == 0) {
+      XFree(fbconfigs);
       return;
+   }
 
    printf("%d GLXFBConfigs:\n", numFBConfigs);
    if (mode == Normal)
diff --git a/progs/xdemos/glxpbdemo.c b/progs/xdemos/glxpbdemo.c
index 91fd30dcaa..ecf318ec6a 100644
--- a/progs/xdemos/glxpbdemo.c
+++ b/progs/xdemos/glxpbdemo.c
@@ -106,6 +106,7 @@ MakePbuffer( Display *dpy, int screen, int width, int height )
 
    if (0 == nConfigs || !fbConfigs) {
       printf("Error: glxChooseFBConfig failed\n");
+      XFree(fbConfigs);
       XCloseDisplay(dpy);
       return 0;
    }
diff --git a/progs/xdemos/manywin.c b/progs/xdemos/manywin.c
index ee357f32a4..3b0810b2e5 100644
--- a/progs/xdemos/manywin.c
+++ b/progs/xdemos/manywin.c
@@ -177,14 +177,40 @@ AddHead(const char *displayName, const char *name)
    /* save the info for this head */
    {
       struct head *h = &Heads[NumHeads];
+      const char * tmp;
+
+      if (strlen(name) + 1 > sizeof(h->DisplayName)) {
+         Error(displayName, "name string overflow");
+         return NULL;
+      }
       strcpy(h->DisplayName, name);
+
       h->Dpy = dpy;
       h->Win = win;
       h->Context = ctx;
       h->Angle = 0.0;
-      strcpy(h->Version, (char *) glGetString(GL_VERSION));
-      strcpy(h->Vendor, (char *) glGetString(GL_VENDOR));
-      strcpy(h->Renderer, (char *) glGetString(GL_RENDERER));
+
+      tmp = (char *) glGetString(GL_VERSION);
+      if (strlen(tmp) + 1 > sizeof(h->Version)) {
+         Error(displayName, "GL_VERSION string overflow");
+         return NULL;
+      }
+      strcpy(h->Version, tmp);
+
+      tmp = (char *) glGetString(GL_VENDOR);
+      if (strlen(tmp) + 1 > sizeof(h->Vendor)) {
+         Error(displayName, "GL_VENDOR string overflow");
+         return NULL;
+      }
+      strcpy(h->Vendor, tmp);
+
+      tmp = (char *) glGetString(GL_RENDERER);
+      if (strlen(tmp) + 1 > sizeof(h->Renderer)) {
+         Error(displayName, "GL_RENDERER string overflow");
+         return NULL;
+      }
+      strcpy(h->Renderer, tmp);
+
       NumHeads++;
       return &Heads[NumHeads-1];
    }
diff --git a/progs/xdemos/msctest.c b/progs/xdemos/msctest.c
new file mode 100644
index 0000000000..001ecf04d6
--- /dev/null
+++ b/progs/xdemos/msctest.c
@@ -0,0 +1,202 @@
+/*
+ * Copyright © 2009 Intel Corporation
+ *
+ * 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 (including the next
+ * paragraph) 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
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ * Authors:
+ *    Jesse Barnes <jesse.barnes@intel.com>
+ *
+ */
+
+/** @file msctest.c
+ * Simple test for MSC functionality.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <GL/gl.h>
+#include <GL/glu.h>
+#include <GL/glx.h>
+#include <GL/glxext.h>
+#include <X11/X.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+
+void (*get_sync_values)(Display *dpy, Window winGL, int64_t *ust, int64_t *msc, int64_t *sbc);
+void (*wait_sync)(Display *dpy, Window winGL, int64_t target_msc, int64_t divisor, int64_t remainder, int64_t *ust, int64_t *msc, int64_t *sbc);
+
+static int GLXExtensionSupported(Display *dpy, const char *extension)
+{
+	const char *extensionsString, *client_extensions, *pos;
+
+	extensionsString = glXQueryExtensionsString(dpy, DefaultScreen(dpy));
+	client_extensions = glXGetClientString(dpy, GLX_EXTENSIONS);
+
+	pos = strstr(extensionsString, extension);
+
+	if (pos != NULL && (pos == extensionsString || pos[-1] == ' ') &&
+	    (pos[strlen(extension)] == ' ' || pos[strlen(extension)] == '\0'))
+		return 1;
+
+	pos = strstr(client_extensions, extension);
+
+	if (pos != NULL && (pos == extensionsString || pos[-1] == ' ') &&
+	    (pos[strlen(extension)] == ' ' || pos[strlen(extension)] == '\0'))
+		return 1;
+
+	return 0;
+}
+
+extern char *optarg;
+extern int optind, opterr, optopt;
+static char optstr[] = "v";
+
+static void usage(char *name)
+{
+	printf("usage: %s\n", name);
+	exit(-1);
+}
+
+int main(int argc, char *argv[])
+{
+	Display *disp;
+	XVisualInfo *pvi;
+	XSetWindowAttributes swa;
+	int attrib[14];
+	Window winGL;
+	GLXContext context;
+	int dummy;
+	Atom wmDelete;
+	int verbose = 0, width = 200, height = 200;
+	int c, i = 1;
+	int64_t ust, msc, sbc;
+
+	opterr = 0;
+	while ((c = getopt(argc, argv, optstr)) != -1) {
+		switch (c) {
+		case 'v':
+			verbose = 1;
+			break;
+		default:
+			usage(argv[0]);
+			break;
+		}
+	}
+
+	disp = XOpenDisplay(NULL);
+	if (!disp) {
+		fprintf(stderr, "failed to open display\n");
+		return -1;
+	}
+
+	if (!glXQueryExtension(disp, &dummy, &dummy)) {
+		fprintf(stderr, "glXQueryExtension failed\n");
+		return -1;
+	}
+
+	if (!GLXExtensionSupported(disp, "GLX_OML_sync_control")) {
+		fprintf(stderr, "GLX_OML_sync_control not supported, exiting\n");
+		return -1;
+	}
+
+	attrib[0] = GLX_RGBA;
+	attrib[1] = 1;
+	attrib[2] = GLX_RED_SIZE;
+	attrib[3] = 1;
+	attrib[4] = GLX_GREEN_SIZE;
+	attrib[5] = 1;
+	attrib[6] = GLX_BLUE_SIZE;
+	attrib[7] = 1;
+	attrib[8] = GLX_DOUBLEBUFFER;
+	attrib[9] = 1;
+	attrib[10] = None;
+
+	pvi = glXChooseVisual(disp, DefaultScreen(disp), attrib);
+	if (!pvi) {
+		fprintf(stderr, "failed to choose visual, exiting\n");
+		return -1;
+	}
+
+	context = glXCreateContext(disp, pvi, None, GL_TRUE);
+	if (!context) {
+		fprintf(stderr, "failed to create glx context\n");
+		return -1;
+	}
+
+	pvi->screen = DefaultScreen(disp);
+
+	swa.colormap = XCreateColormap(disp, RootWindow(disp, pvi->screen),
+				       pvi->visual, AllocNone);
+	swa.border_pixel = 0;
+	swa.event_mask = ExposureMask | KeyPressMask | ButtonPressMask |
+		StructureNotifyMask;
+	winGL = XCreateWindow(disp, RootWindow(disp, pvi->screen),
+			      0, 0,
+			      width, height,
+			      0, pvi->depth, InputOutput, pvi->visual,
+			      CWBorderPixel | CWColormap | CWEventMask, &swa);
+	if (!winGL) {
+		fprintf(stderr, "window creation failed\n");
+		return -1;
+	}
+        wmDelete = XInternAtom(disp, "WM_DELETE_WINDOW", True);
+        XSetWMProtocols(disp, winGL, &wmDelete, 1);
+
+	XSetStandardProperties(disp, winGL, "msc test", "msc text",
+			       None, NULL, 0, NULL);
+
+	XMapRaised(disp, winGL);
+
+	glXMakeCurrent(disp, winGL, context);
+
+	get_sync_values = glXGetProcAddress((unsigned char *)"glXGetSyncValuesOML");
+	wait_sync = glXGetProcAddress((unsigned char *)"glXWaitForMscOML");
+
+	if (!get_sync_values || !wait_sync) {
+		fprintf(stderr, "failed to get sync values function\n");
+		return -1;
+	}
+
+	while (i++) {
+		get_sync_values(disp, winGL, &ust, &msc, &sbc);
+		fprintf(stderr, "ust: %llu, msc: %llu, sbc: %llu\n", ust, msc,
+			sbc);
+
+		/* Alternate colors to make tearing obvious */
+		if (i & 1)
+			glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
+		else
+			glClearColor(1.0f, 0.0f, 0.0f, 0.0f);
+		glClear(GL_COLOR_BUFFER_BIT);
+		glXSwapBuffers(disp, winGL);
+		wait_sync(disp, winGL, 0, 60, 0, &ust, &msc, &sbc);
+		fprintf(stderr,
+			"wait returned ust: %llu, msc: %llu, sbc: %llu\n",
+			ust, msc, sbc);
+		sleep(1);
+	}
+
+	XDestroyWindow(disp, winGL);
+	glXDestroyContext(disp, context);
+	XCloseDisplay(disp);
+
+	return 0;
+}
diff --git a/progs/xdemos/offset.c b/progs/xdemos/offset.c
index 6c5abf383b..314a4fcdd1 100644
--- a/progs/xdemos/offset.c
+++ b/progs/xdemos/offset.c
@@ -294,6 +294,7 @@ process_input(Display *dpy, Window win) {
 	    default:
 		break;
 	    }
+	    break;
 	case ButtonPress:
 	    prevx = event.xbutton.x;
 	    prevy = event.xbutton.y;
diff --git a/progs/xdemos/pbdemo.c b/progs/xdemos/pbdemo.c
index 2573209336..277df72924 100644
--- a/progs/xdemos/pbdemo.c
+++ b/progs/xdemos/pbdemo.c
@@ -131,6 +131,7 @@ MakePbuffer( Display *dpy, int screen, int width, int height )
       fbConfigs = ChooseFBConfig(dpy, screen, fbAttribs[attempt], &nConfigs);
       if (nConfigs==0 || !fbConfigs) {
          printf("Note: glXChooseFBConfig(%s) failed\n", fbString[attempt]);
+         XFree(fbConfigs);
          continue;
       }
 
diff --git a/progs/xdemos/pbinfo.c b/progs/xdemos/pbinfo.c
index b43adf1bb7..edfa9c1f3b 100644
--- a/progs/xdemos/pbinfo.c
+++ b/progs/xdemos/pbinfo.c
@@ -27,6 +27,7 @@ PrintConfigs(Display *dpy, int screen, Bool horizFormat)
    fbConfigs = GetAllFBConfigs(dpy, screen, &nConfigs);
    if (!nConfigs || !fbConfigs) {
       printf("Error: glxGetFBConfigs failed\n");
+      XFree(fbConfigs);
       return;
    }
 
diff --git a/progs/xdemos/sharedtex_mt.c b/progs/xdemos/sharedtex_mt.c
index 07c1bfcc38..a90903adec 100644
--- a/progs/xdemos/sharedtex_mt.c
+++ b/progs/xdemos/sharedtex_mt.c
@@ -174,6 +174,10 @@ AddWindow(Display *dpy, const char *displayName, int xpos, int ypos,
    {
       static int id = 0;
       struct window *h = &Windows[NumWindows];
+      if (strlen(displayName) + 1 > sizeof(h->DisplayName)) {
+         Error(displayName, "string overflow");
+         return NULL;
+      }
       strcpy(h->DisplayName, displayName);
       h->Dpy = dpy;
       h->Win = win;
@@ -447,7 +451,7 @@ main(int argc, char *argv[])
    const char *dpyName = XDisplayName(NULL);
    pthread_t t0, t1, t2, t3;
    struct thread_init_arg tia0, tia1, tia2, tia3;
-   struct window *h0, *h1, *h2, *h3;
+   struct window *h0;
 
    XInitThreads();
 
@@ -462,9 +466,9 @@ main(int argc, char *argv[])
 
    /* four windows and contexts sharing display lists and texture objects */
    h0 = AddWindow(gDpy, dpyName,  10,  10, gCtx);
-   h1 = AddWindow(gDpy, dpyName, 330,  10, gCtx);
-   h2 = AddWindow(gDpy, dpyName,  10, 350, gCtx);
-   h3 = AddWindow(gDpy, dpyName, 330, 350, gCtx);
+   (void) AddWindow(gDpy, dpyName, 330,  10, gCtx);
+   (void) AddWindow(gDpy, dpyName,  10, 350, gCtx);
+   (void) AddWindow(gDpy, dpyName, 330, 350, gCtx);
 
    if (!glXMakeCurrent(gDpy, h0->Win, gCtx)) {
       Error(dpyName, "glXMakeCurrent failed for init thread.");