Merge branch 'master' of git+ssh://joukj@git.freedesktop.org/git/mesa/mesa

31 files changed, 1455 insertions, 112 deletions

diff --git a/progs/demos/.gitignore b/progs/demos/.gitignore
index f764b3d117..508b8a56f4 100644
--- a/progs/demos/.gitignore
+++ b/progs/demos/.gitignore
@@ -1,17 +1,24 @@
 .cvsignore
 arbfplight
+arbfslight
 arbocclude
 bounce
 clearspd
 cubemap
 drawpix
+engine
+extfuncs.h
 fire
+fogcoord
 fplight
+fslight
 gamma
+gearbox
 gears
 geartrain
 glinfo
 gloss
+glslnoise
 gltestperf
 glutfx
 ipers
@@ -33,8 +40,11 @@ renormal
 shadowtex
 showbuffer.c
 showbuffer.h
+singlebuffer
+spriteblast
 spectex
 stex3d
+streaming_rect
 teapot
 terrain
 tessdemo
@@ -42,7 +52,10 @@ texcyl
 texdown
 texenv
 texobj
+trackball.c
+trackball.h
 trispd
 tunnel
 tunnel2
+vao_demo
 winpos
diff --git a/progs/demos/Makefile b/progs/demos/Makefile
index cf96828ed7..4d9eb30b68 100644
--- a/progs/demos/Makefile
+++ b/progs/demos/Makefile
@@ -19,6 +19,7 @@ PROGS = \
 	arbocclude \
 	bounce \
 	clearspd \
+	copypix \
 	cubemap \
 	drawpix \
 	engine \
@@ -74,7 +75,7 @@ PROGS = \
 
 # make executable from .c file:
 .c: $(LIB_DEP) readtex.o
-	$(CC) -I$(INCDIR) $(CFLAGS) $< readtex.o $(APP_LIB_DEPS) -o $@
+	$(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) $< readtex.o $(APP_LIB_DEPS) -o $@
 
 
 ##### TARGETS #####
@@ -118,41 +119,45 @@ extfuncs.h:  $(TOP)/progs/util/extfuncs.h
 
 
 reflect: reflect.o showbuffer.o readtex.o
-	$(CC) reflect.o showbuffer.o readtex.o $(APP_LIB_DEPS) -o $@
+	$(CC) $(LDFLAGS) reflect.o showbuffer.o readtex.o $(APP_LIB_DEPS) -o $@
 
 reflect.o: reflect.c showbuffer.h
 	$(CC) -c -I$(INCDIR) $(CFLAGS) reflect.c
 
 
 shadowtex: shadowtex.o showbuffer.o
-	$(CC) shadowtex.o showbuffer.o $(APP_LIB_DEPS) -o $@
+	$(CC) $(LDFLAGS) shadowtex.o showbuffer.o $(APP_LIB_DEPS) -o $@
 
 shadowtex.o: shadowtex.c showbuffer.h
 	$(CC) -c -I$(INCDIR) $(CFLAGS) shadowtex.c
 
 
 gloss: gloss.o trackball.o readtex.o
-	$(CC) gloss.o trackball.o readtex.o $(APP_LIB_DEPS) -o $@
+	$(CC) $(LDFLAGS) gloss.o trackball.o readtex.o $(APP_LIB_DEPS) -o $@
 
 gloss.o: gloss.c trackball.h
 	$(CC) -c -I$(INCDIR) $(CFLAGS) gloss.c
 
 
 engine: engine.o trackball.o readtex.o
-	$(CC) engine.o trackball.o readtex.o $(APP_LIB_DEPS) -o $@
+	$(CC) $(LDFLAGS) engine.o trackball.o readtex.o $(APP_LIB_DEPS) -o $@
 
 engine.o: engine.c trackball.h
 	$(CC) -c -I$(INCDIR) $(CFLAGS) engine.c
 
 
 fslight: fslight.o
-	$(CC) fslight.o $(APP_LIB_DEPS) -o $@
+	$(CC) $(LDFLAGS) fslight.o $(APP_LIB_DEPS) -o $@
 
 fslight.o: fslight.c extfuncs.h
 	$(CC) -c -I$(INCDIR) $(CFLAGS) fslight.c
 
 
 
+viewdds: viewdds.c
+	$(CC) -I$(INCDIR) $(CFLAGS) $< readtex.o $(APP_LIB_DEPS) -L. -lgltc -o $@
+
+
 clean:
 	-rm -f $(PROGS)
 	-rm -f *.o *~
diff --git a/progs/demos/copypix.c b/progs/demos/copypix.c
new file mode 100644
index 0000000000..15001e851b
--- /dev/null
+++ b/progs/demos/copypix.c
@@ -0,0 +1,248 @@
+/**
+ * glCopyPixels test
+ * 
+ * Brian Paul
+ * 14 Sep 2007
+ */
+
+
+#define GL_GLEXT_PROTOTYPES
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <GL/glut.h>
+
+#include "readtex.h"
+
+#define IMAGE_FILE "../images/arch.rgb"
+
+static int ImgWidth, ImgHeight;
+static GLenum ImgFormat;
+static GLubyte *Image = NULL;
+
+static int WinWidth = 800, WinHeight = 800;
+static int Xpos, Ypos;
+static int Scissor = 0;
+static float Xzoom, Yzoom;
+static GLboolean DrawFront = GL_FALSE;
+static GLboolean Dither = GL_TRUE;
+
+
+static void Reset( void )
+{
+   Xpos = Ypos = 20;
+   Scissor = 0;
+   Xzoom = Yzoom = 1.0;
+}
+
+
+static void Display( void )
+{
+   const int dx = (WinWidth - ImgWidth) / 2;
+   const int dy = (WinHeight - ImgHeight) / 2;
+
+   if (DrawFront) {
+      glDrawBuffer(GL_FRONT);
+      glReadBuffer(GL_FRONT);
+   }
+   else {
+      glDrawBuffer(GL_BACK);
+      glReadBuffer(GL_BACK);
+   }
+
+   glClear( GL_COLOR_BUFFER_BIT );
+
+   /* draw original image */
+   glWindowPos2iARB(dx, dy);                    
+   glDrawPixels(ImgWidth, ImgHeight, ImgFormat, GL_UNSIGNED_BYTE, Image);
+
+   if (Scissor)
+      glEnable(GL_SCISSOR_TEST);
+
+   /* draw copy */
+   glPixelZoom(Xzoom, Yzoom);
+   glWindowPos2iARB(Xpos, Ypos);
+   glCopyPixels(dx, dy, ImgWidth, ImgHeight, GL_COLOR);
+   glPixelZoom(1, 1);
+
+   glDisable(GL_SCISSOR_TEST);
+
+   if (DrawFront)
+      glFinish();
+   else
+      glutSwapBuffers();
+}
+
+
+static void Reshape( int width, int height )
+{
+   WinWidth = width;
+   WinHeight = height;
+
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho( 0.0, width, 0.0, height, 0.0, 2.0 );
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+
+   glScissor(width/4, height/4, width/2, height/2);
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case ' ':
+         Reset();
+         break;
+      case 'd':
+         Dither = !Dither;
+         if (Dither)
+            glEnable(GL_DITHER);
+         else
+            glDisable(GL_DITHER);
+         break;
+      case 's':
+         Scissor = !Scissor;
+         break;
+      case 'x':
+         Xzoom -= 0.1;
+         break;
+      case 'X':
+         Xzoom += 0.1;
+         break;
+      case 'y':
+         Yzoom -= 0.1;
+         break;
+      case 'Y':
+         Yzoom += 0.1;
+         break;
+      case 'f':
+         DrawFront = !DrawFront;
+         printf("glDrawBuffer(%s)\n", DrawFront ? "GL_FRONT" : "GL_BACK");
+         break;
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void SpecialKey( int key, int x, int y )
+{
+   const int step = (glutGetModifiers() & GLUT_ACTIVE_SHIFT) ? 10 : 1;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case GLUT_KEY_UP:
+         Ypos += step;
+         break;
+      case GLUT_KEY_DOWN:
+         Ypos -= step;
+         break;
+      case GLUT_KEY_LEFT:
+         Xpos -= step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Xpos += step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void Init( GLboolean ciMode, const char *filename )
+{
+   printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
+   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+
+   Image = LoadRGBImage( filename, &ImgWidth, &ImgHeight, &ImgFormat );
+   if (!Image) {
+      printf("Couldn't read %s\n", filename);
+      exit(0);
+   }
+
+   if (ciMode) {
+      /* Convert RGB image to grayscale */
+      GLubyte *indexImage = (GLubyte *) malloc( ImgWidth * ImgHeight );
+      GLint i;
+      for (i=0; i<ImgWidth*ImgHeight; i++) {
+         int gray = Image[i*3] + Image[i*3+1] + Image[i*3+2];
+         indexImage[i] = gray / 3;
+      }
+      free(Image);
+      Image = indexImage;
+      ImgFormat = GL_COLOR_INDEX;
+
+      for (i=0;i<255;i++) {
+         float g = i / 255.0;
+         glutSetColor(i, g, g, g);
+      }
+   }
+
+   printf("Loaded %d by %d image\n", ImgWidth, ImgHeight );
+
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+   glPixelStorei(GL_UNPACK_ROW_LENGTH, ImgWidth);
+
+   Reset();
+}
+
+
+static void Usage(void)
+{
+   printf("Keys:\n");
+   printf("       SPACE  Reset Parameters\n");
+   printf("     Up/Down  Move image up/down (SHIFT for large step)\n");
+   printf("  Left/Right  Move image left/right (SHIFT for large step)\n");
+   printf("           x  Decrease X-axis PixelZoom\n");
+   printf("           X  Increase X-axis PixelZoom\n");
+   printf("           y  Decrease Y-axis PixelZoom\n");
+   printf("           Y  Increase Y-axis PixelZoom\n");
+   printf("           s  Toggle GL_SCISSOR_TEST\n");
+   printf("           f  Toggle front/back buffer drawing\n");
+   printf("         ESC  Exit\n");
+}
+
+
+int main( int argc, char *argv[] )
+{
+   GLboolean ciMode = GL_FALSE;
+   const char *filename = IMAGE_FILE;
+   int i = 1;
+
+   if (argc > i && strcmp(argv[i], "-ci")==0) {
+      ciMode = GL_TRUE;
+      i++;
+   }
+   if (argc > i) {
+      filename = argv[i];
+   }
+
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( WinWidth, WinHeight );
+
+   if (ciMode)
+      glutInitDisplayMode( GLUT_INDEX | GLUT_DOUBLE );
+   else
+      glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE);
+
+   glutCreateWindow(argv[0]);
+
+   Init(ciMode, filename);
+   Usage();
+
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutSpecialFunc( SpecialKey );
+   glutDisplayFunc( Display );
+
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/demos/cubemap.c b/progs/demos/cubemap.c
index ef5d235550..b3bdd64f68 100644
--- a/progs/demos/cubemap.c
+++ b/progs/demos/cubemap.c
@@ -47,6 +47,8 @@ static GLfloat Xrot = 0, Yrot = 0;
 static GLfloat EyeDist = 10;
 static GLboolean use_vertex_arrays = GL_FALSE;
 static GLboolean anim = GL_TRUE;
+static GLboolean NoClear = GL_FALSE;
+static GLint FrameParity = 0;
 
 #define eps1 0.99
 #define br   20.0  /* box radius */
@@ -156,7 +158,30 @@ static void draw_skybox( void )
 
 static void draw( void )
 {
-   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+   if (NoClear) {
+      /* This demonstrates how we can avoid calling glClear.
+       * This method only works if every pixel in the window is painted for
+       * every frame.
+       * We can simply skip clearing of the color buffer in this case.
+       * For the depth buffer, we alternately use a different subrange of
+       * the depth buffer for each frame.  For the odd frame use the range
+       * [0, 0.5] with GL_LESS.  For the even frames, use the range [1, 0.5]
+       * with GL_GREATER.
+       */
+      FrameParity = 1 - FrameParity;
+      if (FrameParity) {
+         glDepthRange(0.0, 0.5);
+         glDepthFunc(GL_LESS);
+      }
+      else {
+         glDepthRange(1.0, 0.5);
+         glDepthFunc(GL_GREATER);
+      }      
+   }
+   else {
+      /* ordinary clearing */
+      glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+   }
 
    glPushMatrix(); /*MODELVIEW*/
       glTranslatef( 0.0, 0.0, -EyeDist );
@@ -452,6 +477,24 @@ static void usage(void)
 }
 
 
+static void parse_args(int argc, char *argv[])
+{
+   int initFlag = 0;
+   int i;
+
+   for (i = 1; i < argc; i++) {
+      if (strcmp(argv[i], "-i") == 0)
+         initFlag = 1;
+      else if (strcmp(argv[i], "--noclear") == 0)
+         NoClear = GL_TRUE;
+      else {
+         fprintf(stderr, "Bad option: %s\n", argv[i]);
+         exit(1);
+      }
+   }
+   init (initFlag);
+}
+
 int main( int argc, char *argv[] )
 {
    glutInit(&argc, argv);
@@ -459,17 +502,13 @@ int main( int argc, char *argv[] )
    glutInitWindowSize(600, 500);
    glutInitDisplayMode( GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE );
    glutCreateWindow("Texture Cube Mapping");
-
-   if (argc > 1 && strcmp(argv[1] , "-i") == 0)
-      init( 1 );
-   else
-      init( 0 );
    glutReshapeFunc( reshape );
    glutKeyboardFunc( key );
    glutSpecialFunc( specialkey );
    glutDisplayFunc( draw );
    if (anim)
       glutIdleFunc(idle);
+   parse_args(argc, argv);
    usage();
    glutMainLoop();
    return 0;
diff --git a/progs/directfb/Makefile b/progs/directfb/Makefile
index 53b100a18d..e03680e516 100644
--- a/progs/directfb/Makefile
+++ b/progs/directfb/Makefile
@@ -22,7 +22,7 @@ PROGS = df_gears \
 .SUFFIXES: .c
 
 .c: $(LIB_DEP)
-	$(CC) -I$(INCDIR) $(CFLAGS) $< $(APP_LIB_DEPS) -o $@
+	$(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) $< $(APP_LIB_DEPS) -o $@
 
 
 ##### TARGETS #####
diff --git a/progs/egl/Makefile b/progs/egl/Makefile
index 33447a9d57..07215604d3 100644
--- a/progs/egl/Makefile
+++ b/progs/egl/Makefile
@@ -25,35 +25,35 @@ default: $(PROGRAMS)
 
 
 demo1: demo1.o $(TOP)/$(LIB_DIR)/libEGL.so
-	$(CC) $(CFLAGS) demo1.o -L$(TOP)/$(LIB_DIR) -lEGL $(LIBDRM_LIB) -o $@
+	$(CC) $(CFLAGS) $(LDFLAGS) demo1.o -L$(TOP)/$(LIB_DIR) -lEGL $(LIBDRM_LIB) -o $@
 
 demo1.o: demo1.c $(HEADERS)
 	$(CC) -c $(CFLAGS) -I$(TOP)/include demo1.c
 
 
 demo2: demo2.o $(TOP)/$(LIB_DIR)/libEGL.so
-	$(CC) $(CFLAGS) demo2.o -L$(TOP)/$(LIB_DIR) -lEGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@
+	$(CC) $(CFLAGS) $(LDFLAGS) demo2.o -L$(TOP)/$(LIB_DIR) -lEGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@
 
 demo2.o: demo2.c $(HEADERS)
 	$(CC) -c $(CFLAGS) -I$(TOP)/include demo2.c
 
 
 demo3: demo3.o $(TOP)/$(LIB_DIR)/libEGL.so
-	$(CC) $(CFLAGS) demo3.o -L$(TOP)/$(LIB_DIR) -lEGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@
+	$(CC) $(CFLAGS) $(LDFLAGS) demo3.o -L$(TOP)/$(LIB_DIR) -lEGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@
 
 demo3.o: demo3.c $(HEADERS)
 	$(CC) -c $(CFLAGS) -I$(TOP)/include demo3.c
 
 
 eglinfo: eglinfo.o $(TOP)/$(LIB_DIR)/libEGL.so
-	$(CC) $(CFLAGS) eglinfo.o -L$(TOP)/$(LIB_DIR) -lEGL $(LIBDRM_LIB) -o $@
+	$(CC) $(CFLAGS) $(LDFLAGS) eglinfo.o -L$(TOP)/$(LIB_DIR) -lEGL $(LIBDRM_LIB) -o $@
 
 eglinfo.o: eglinfo.c $(HEADERS)
 	$(CC) -c $(CFLAGS) -I$(TOP)/include eglinfo.c
 
 
 eglgears: eglgears.o $(TOP)/$(LIB_DIR)/libEGL.so
-	$(CC) $(CFLAGS) eglgears.o -L$(TOP)/$(LIB_DIR) -lEGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@
+	$(CC) $(CFLAGS) $(LDFLAGS) eglgears.o -L$(TOP)/$(LIB_DIR) -lEGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@
 
 eglgears.o: eglgears.c $(HEADERS)
 	$(CC) -c $(CFLAGS) -I$(TOP)/include eglgears.c
diff --git a/progs/fbdev/Makefile b/progs/fbdev/Makefile
index 0a0c77906f..92bfd043c1 100644
--- a/progs/fbdev/Makefile
+++ b/progs/fbdev/Makefile
@@ -22,7 +22,7 @@ INCLUDES = \
 .SUFFIXES: .c
 
 .c:
-	$(CC) $(INCLUDES) $(CFLAGS) $< $(APP_LIB_DEPS) -o $@
+	$(CC) $(INCLUDES) $(CFLAGS) $(LDFLAGS) $< $(APP_LIB_DEPS) -o $@
 
 .c.o:
 	$(CC) -c $(INCLUDES) $(CFLAGS) $< -o $@
diff --git a/progs/glsl/Makefile b/progs/glsl/Makefile
index 37fa312c30..8b44239b43 100644
--- a/progs/glsl/Makefile
+++ b/progs/glsl/Makefile
@@ -8,13 +8,16 @@ INCDIR = $(TOP)/include
 LIB_DEP = $(TOP)/$(LIB_DIR)/$(GL_LIB_NAME) $(TOP)/$(LIB_DIR)/$(GLU_LIB_NAME) $(TOP)/$(LIB_DIR)/$(GLUT_LIB_NAME)
 
 PROGS = \
+	bitmap \
 	brick \
 	bump \
 	deriv \
 	mandelbrot \
 	noise \
+	points \
+	texdemo1 \
 	toyball \
-	texdemo1
+	trirast
 
 
 ##### RULES #####
@@ -25,7 +28,7 @@ PROGS = \
 
 # make executable from .c file:
 .c: $(LIB_DEP)
-	$(CC) -I$(INCDIR) $(CFLAGS) $< $(APP_LIB_DEPS) -o $@
+	$(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) $< $(APP_LIB_DEPS) -o $@
 
 
 ##### TARGETS #####
@@ -48,16 +51,20 @@ readtex.h: $(TOP)/progs/util/readtex.h
 readtex.o: readtex.c readtex.h
 	$(CC) -c -I$(INCDIR) $(CFLAGS) readtex.c
 
+bitmap.c: extfuncs.h
+
 brick.c: extfuncs.h
 
 bump.c: extfuncs.h
 
 mandelbrot.c: extfuncs.h
 
+points.c: extfuncs.h
+
 toyball.c: extfuncs.h
 
 texdemo1: texdemo1.o readtex.o
-	$(CC) -I$(INCDIR) $(CFLAGS) texdemo1.o readtex.o $(APP_LIB_DEPS) -o $@
+	$(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) texdemo1.o readtex.o $(APP_LIB_DEPS) -o $@
 
 texdemo1.o: texdemo1.c readtex.h extfuncs.h
 	$(CC) -c -I$(INCDIR) $(CFLAGS) texdemo1.c
diff --git a/progs/glsl/bitmap.c b/progs/glsl/bitmap.c
new file mode 100644
index 0000000000..4b62686cbf
--- /dev/null
+++ b/progs/glsl/bitmap.c
@@ -0,0 +1,368 @@
+/**
+ * Implement glRasterPos + glBitmap with textures + shaders.
+ * Brian Paul
+ * 14 May 2007
+ */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/gl.h>
+#include <GL/glut.h>
+#include <GL/glext.h>
+#include "extfuncs.h"
+
+
+static GLuint FragShader;
+static GLuint VertShader;
+static GLuint Program;
+
+static GLint Win = 0;
+static GLint WinWidth = 500, WinHeight = 500;
+static GLboolean Anim = GL_TRUE;
+static GLboolean Bitmap = GL_FALSE;
+static GLfloat Xrot = 20.0f, Yrot = 70.0f;
+static GLint uTex, uScale;
+static GLuint Textures[2];
+
+#define TEX_WIDTH 16
+#define TEX_HEIGHT 8
+
+
+static void
+BitmapText(const char *s)
+{
+   while (*s) {
+      glutBitmapCharacter(GLUT_BITMAP_8_BY_13, (int) *s);
+      s++;
+   }
+}
+
+
+static void
+Redisplay(void)
+{
+   static const GLfloat px[3] = { 1.2, 0, 0};
+   static const GLfloat nx[3] = {-1.2, 0, 0};
+
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   glPushMatrix();
+   glRotatef(Xrot, 1.0f, 0.0f, 0.0f);
+   glRotatef(Yrot, 0.0f, 1.0f, 0.0f);
+
+   glEnable(GL_LIGHTING);
+
+   glPushMatrix();
+   glScalef(0.5, 0.5, 0.5);
+   glutSolidDodecahedron();
+   glPopMatrix();
+
+   glDisable(GL_LIGHTING);
+
+   glColor3f(0, 1, 0);
+   glBegin(GL_LINES);
+   glVertex3f(-1, 0, 0);
+   glVertex3f( 1, 0, 0);
+   glEnd();
+
+   glColor3f(1, 1, 0);
+
+   if (Bitmap) {
+      glRasterPos3fv(px);
+      BitmapText("+X");
+      glRasterPos3fv(nx);
+      BitmapText("-X");
+   }
+   else {
+      glUseProgram_func(Program);
+
+      /* vertex positions (deltas) depend on texture size and window size */
+      if (uScale != -1) {
+         glUniform2f_func(uScale,
+                          2.0 * TEX_WIDTH / WinWidth,
+                          2.0 * TEX_HEIGHT / WinHeight);
+      }
+
+      /* draw +X */
+      glBindTexture(GL_TEXTURE_2D, Textures[0]);
+      glBegin(GL_QUADS);
+      glTexCoord2f(0, 0);  glVertex3fv(px);
+      glTexCoord2f(1, 0);  glVertex3fv(px);
+      glTexCoord2f(1, 1);  glVertex3fv(px);
+      glTexCoord2f(0, 1);  glVertex3fv(px);
+      glEnd();
+
+      /* draw -X */
+      glBindTexture(GL_TEXTURE_2D, Textures[1]);
+      glBegin(GL_QUADS);
+      glTexCoord2f(0, 0);  glVertex3fv(nx);
+      glTexCoord2f(1, 0);  glVertex3fv(nx);
+      glTexCoord2f(1, 1);  glVertex3fv(nx);
+      glTexCoord2f(0, 1);  glVertex3fv(nx);
+      glEnd();
+
+      glUseProgram_func(0);
+   }
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void
+Idle(void)
+{
+   Yrot = glutGet(GLUT_ELAPSED_TIME) * 0.01;
+   glutPostRedisplay();
+}
+
+
+static void
+Reshape(int width, int height)
+{
+   WinWidth = width;
+   WinHeight = height;
+   glViewport(0, 0, width, height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 25.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0f, 0.0f, -10.0f);
+}
+
+
+static void
+Key(unsigned char key, int x, int y)
+{
+  (void) x;
+  (void) y;
+
+   switch(key) {
+   case ' ':
+   case 'a':
+      Anim = !Anim;
+      if (Anim)
+         glutIdleFunc(Idle);
+      else
+         glutIdleFunc(NULL);
+      break;
+   case 'b':
+      Bitmap = !Bitmap;
+      if (Bitmap)
+         printf("Using glBitmap\n");
+      else
+         printf("Using billboard texture\n");
+      break;
+   case 27:
+      glDeleteShader_func(FragShader);
+      glDeleteShader_func(VertShader);
+      glDeleteProgram_func(Program);
+      glutDestroyWindow(Win);
+      exit(0);
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+SpecialKey(int key, int x, int y)
+{
+   const GLfloat step = 0.125f;
+   switch(key) {
+   case GLUT_KEY_UP:
+      Xrot -= step;
+      break;
+   case GLUT_KEY_DOWN:
+      Xrot += step;
+      break;
+   case GLUT_KEY_LEFT:
+      Yrot -= step;
+      break;
+   case GLUT_KEY_RIGHT:
+      Yrot += step;
+      break;
+   }
+   /*printf("Xrot: %f  Yrot: %f\n", Xrot, Yrot);*/
+   glutPostRedisplay();
+}
+
+
+static void
+MakeTexImage(const char *p, GLuint texobj)
+{
+   GLubyte image[TEX_HEIGHT][TEX_WIDTH];
+   GLuint i, j, k;
+
+   for (i = 0; i < TEX_HEIGHT; i++) {
+      for (j = 0; j < TEX_WIDTH; j++) {
+         k = i * TEX_WIDTH + j;
+         if (p[k] == ' ') {
+            image[i][j] = 0;
+         }
+         else {
+            image[i][j] = 255;
+         }
+      }
+   }
+
+   glBindTexture(GL_TEXTURE_2D, texobj);
+   glTexImage2D(GL_TEXTURE_2D, 0, GL_INTENSITY, TEX_WIDTH, TEX_HEIGHT, 0,
+                GL_RED, GL_UNSIGNED_BYTE, image);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 1);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+}
+
+
+static void
+MakeBitmapTextures(void)
+{
+   const char *px =
+      "        X     X "
+      "   X     X   X  "
+      "   X      X X   "
+      " XXXXX     X    "
+      "   X      X X   "
+      "   X     X   X  "
+      "        X     X "
+      "        X     X ";
+   const char *nx =
+      "        X     X "
+      "         X   X  "
+      "          X X   "
+      " XXXXX     X    "
+      "          X X   "
+      "         X   X  "
+      "        X     X "
+      "        X     X ";
+   glGenTextures(2, Textures);
+   MakeTexImage(px, Textures[0]);
+   MakeTexImage(nx, Textures[1]);
+}
+
+
+static void
+LoadAndCompileShader(GLuint shader, const char *text)
+{
+   GLint stat;
+
+   glShaderSource_func(shader, 1, (const GLchar **) &text, NULL);
+
+   glCompileShader_func(shader);
+
+   glGetShaderiv_func(shader, GL_COMPILE_STATUS, &stat);
+   if (!stat) {
+      GLchar log[1000];
+      GLsizei len;
+      glGetShaderInfoLog_func(shader, 1000, &len, log);
+      fprintf(stderr, "fslight: problem compiling shader:\n%s\n", log);
+      exit(1);
+   }
+}
+
+
+static void
+CheckLink(GLuint prog)
+{
+   GLint stat;
+   glGetProgramiv_func(prog, GL_LINK_STATUS, &stat);
+   if (!stat) {
+      GLchar log[1000];
+      GLsizei len;
+      glGetProgramInfoLog_func(prog, 1000, &len, log);
+      fprintf(stderr, "Linker error:\n%s\n", log);
+   }
+}
+
+
+static void
+Init(void)
+{
+   /* Fragment shader: modulate raster color by texture, discard fragments
+    * with alpha < 1.0
+    */
+   static const char *fragShaderText =
+      "uniform sampler2D tex2d; \n"
+      "void main() {\n"
+      "   vec4 c = texture2D(tex2d, gl_TexCoord[0].xy); \n"
+      "   if (c.w < 1.0) \n"
+      "      discard; \n"
+      "   gl_FragColor = c * gl_Color; \n"
+      "}\n";
+   /* Vertex shader: compute new vertex position based on incoming vertex pos,
+    * texcoords and special scale factor.
+    */
+   static const char *vertShaderText =
+      "uniform vec2 scale; \n"
+      "void main() {\n"
+      "   vec4 p = gl_ModelViewProjectionMatrix * gl_Vertex;\n"
+      "   gl_Position.xy = p.xy + gl_MultiTexCoord0.xy * scale * p.w; \n"
+      "   gl_Position.zw = p.zw; \n"
+      "   gl_TexCoord[0] = gl_MultiTexCoord0; \n"
+      "   gl_FrontColor = gl_Color; \n"
+      "}\n";
+   const char *version;
+
+   version = (const char *) glGetString(GL_VERSION);
+   if (version[0] != '2' || version[1] != '.') {
+      printf("This program requires OpenGL 2.x, found %s\n", version);
+      exit(1);
+   }
+   printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
+
+   GetExtensionFuncs();
+
+   FragShader = glCreateShader_func(GL_FRAGMENT_SHADER);
+   LoadAndCompileShader(FragShader, fragShaderText);
+
+   VertShader = glCreateShader_func(GL_VERTEX_SHADER);
+   LoadAndCompileShader(VertShader, vertShaderText);
+
+   Program = glCreateProgram_func();
+   glAttachShader_func(Program, FragShader);
+   glAttachShader_func(Program, VertShader);
+   glLinkProgram_func(Program);
+   CheckLink(Program);
+   glUseProgram_func(Program);
+
+   uScale = glGetUniformLocation_func(Program, "scale");
+   uTex = glGetUniformLocation_func(Program, "tex2d");
+   if (uTex != -1) {
+      glUniform1i_func(uTex, 0);  /* tex unit 0 */
+   }
+
+   glUseProgram_func(0);
+
+   glClearColor(0.3f, 0.3f, 0.3f, 0.0f);
+   glEnable(GL_DEPTH_TEST);
+   glEnable(GL_NORMALIZE);
+   glEnable(GL_LIGHT0);
+
+   MakeBitmapTextures();
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   glutInit(&argc, argv);
+   glutInitWindowSize(WinWidth, WinHeight);
+   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
+   Win = glutCreateWindow(argv[0]);
+   glutReshapeFunc(Reshape);
+   glutKeyboardFunc(Key);
+   glutSpecialFunc(SpecialKey);
+   glutDisplayFunc(Redisplay);
+   if (Anim)
+      glutIdleFunc(Idle);
+   Init();
+   glutMainLoop();
+   return 0;
+}
+
+
diff --git a/progs/glsl/points.c b/progs/glsl/points.c
new file mode 100644
index 0000000000..85115de504
--- /dev/null
+++ b/progs/glsl/points.c
@@ -0,0 +1,305 @@
+/**
+ * Implement smooth (AA) points with shaders.
+ * A simple variation could be used for sprite points.
+ * Brian Paul
+ * 29 July 2007
+ */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/gl.h>
+#include <GL/glut.h>
+#include <GL/glext.h>
+#include "extfuncs.h"
+
+
+static GLuint FragShader;
+static GLuint VertShader;
+static GLuint Program;
+
+static GLint Win = 0;
+static GLint WinWidth = 500, WinHeight = 200;
+static GLfloat Xpos = 0.0f, Ypos = 0.0f;
+static GLint uViewportInv;
+static GLboolean Smooth = GL_TRUE, Blend = GL_TRUE;
+
+
+/**
+ * Issue vertices for a "shader point".
+ * The position is duplicated, only texcoords (or other vertex attrib) change.
+ * The vertex program will compute the "real" quad corners.
+ */
+static void
+PointVertex3f(GLfloat x, GLfloat y, GLfloat z)
+{
+   glTexCoord2f(-1, -1);
+   glVertex3f(x, y, z);
+
+   glTexCoord2f( 1, -1);
+   glVertex3f(x, y, z);
+
+   glTexCoord2f( 1,  1);
+   glVertex3f(x, y, z);
+
+   glTexCoord2f(-1,  1);
+   glVertex3f(x, y, z);
+}
+
+
+static void
+DrawPoints(GLboolean shaderPoints)
+{
+   int i;
+   for (i = 0; i < 9; i++) {
+      GLfloat x = i - 4, y = 0, z = 0;
+      /* note: can't call glPointSize inside Begin/End :( */
+      glPointSize( 2 + i * 5 );
+      if (shaderPoints) {
+         glBegin(GL_QUADS);
+         PointVertex3f(x, y, z);
+         glEnd();
+      }
+      else {
+         glBegin(GL_POINTS);
+         glVertex3f(x, y, z);
+         glEnd();
+      }
+   }
+}
+
+
+/**
+ * Top row of points rendered convetionally,
+ * bottom row rendered with shaders.
+ */
+static void
+Redisplay(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   if (Smooth)
+      glEnable(GL_POINT_SMOOTH);
+   else
+      glDisable(GL_POINT_SMOOTH);
+
+   if (Blend)
+      glEnable(GL_BLEND);
+   else
+      glDisable(GL_BLEND);
+
+   glPushMatrix();
+   glTranslatef(Xpos, Ypos, 0);
+
+   /*
+    * regular points
+    */
+   glPushMatrix();
+   glTranslatef(0, 1.2, 0);
+   glUseProgram_func(0);
+   DrawPoints(GL_FALSE);
+   glPopMatrix();
+
+   /*
+    * shader points
+    */
+   glPushMatrix();
+   glTranslatef(0, -1.2, 0);
+   glUseProgram_func(Program);
+   if (uViewportInv != -1) {
+      glUniform2f_func(uViewportInv, 1.0 / WinWidth, 1.0 / WinHeight);
+   }
+   DrawPoints(GL_TRUE);
+   glPopMatrix();
+
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void
+Reshape(int width, int height)
+{
+   WinWidth = width;
+   WinHeight = height;
+   glViewport(0, 0, width, height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum(-1.0, 1.0, -1.0, 1.0, 4.0, 30.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0f, 0.0f, -20.0f);
+}
+
+
+static void
+Key(unsigned char key, int x, int y)
+{
+  (void) x;
+  (void) y;
+
+   switch(key) {
+   case 'b':
+      Blend = !Blend;
+      break;
+   case 's':
+      Smooth = !Smooth;
+      break;
+   case 27:
+      glDeleteShader_func(FragShader);
+      glDeleteShader_func(VertShader);
+      glDeleteProgram_func(Program);
+      glutDestroyWindow(Win);
+      exit(0);
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+SpecialKey(int key, int x, int y)
+{
+   const GLfloat step = 1/100.0;
+   switch(key) {
+   case GLUT_KEY_UP:
+      Ypos += step;
+      break;
+   case GLUT_KEY_DOWN:
+      Ypos -= step;
+      break;
+   case GLUT_KEY_LEFT:
+      Xpos -= step;
+      break;
+   case GLUT_KEY_RIGHT:
+      Xpos += step;
+      break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+LoadAndCompileShader(GLuint shader, const char *text)
+{
+   GLint stat;
+
+   glShaderSource_func(shader, 1, (const GLchar **) &text, NULL);
+
+   glCompileShader_func(shader);
+
+   glGetShaderiv_func(shader, GL_COMPILE_STATUS, &stat);
+   if (!stat) {
+      GLchar log[1000];
+      GLsizei len;
+      glGetShaderInfoLog_func(shader, 1000, &len, log);
+      fprintf(stderr, "fslight: problem compiling shader:\n%s\n", log);
+      exit(1);
+   }
+}
+
+
+static void
+CheckLink(GLuint prog)
+{
+   GLint stat;
+   glGetProgramiv_func(prog, GL_LINK_STATUS, &stat);
+   if (!stat) {
+      GLchar log[1000];
+      GLsizei len;
+      glGetProgramInfoLog_func(prog, 1000, &len, log);
+      fprintf(stderr, "Linker error:\n%s\n", log);
+   }
+}
+
+
+static void
+Init(void)
+{
+   /* Fragment shader: compute distance of fragment from center of point
+    * (we're using texcoords but another varying could be used).
+    *   if dist > 1, discard (coverage==0)
+    *   if dist < k, coverage = 1
+    *   else, coverage = func(dist)
+    * Note: length() uses sqrt() and may be expensive.  The distance could
+    * be squared instead (with adjustments to the threshold (k) test)
+    */
+   static const char *fragShaderText =
+      "void main() {\n"
+      "   float cover; \n"
+      "   float k = 2.0 / gl_Point.size; \n"
+      "   float d = length(gl_TexCoord[0].xy); \n"
+      "   if (d >= 1.0) \n"
+      "      discard; \n"
+      "   if (d < 1.0 - k) \n"
+      "      cover = 1.0; \n"
+      "   else \n"
+      "      cover = (1.0 - d) * 0.5 * gl_Point.size; \n"
+      "   gl_FragColor.rgb = gl_Color.rgb; \n"
+      "   gl_FragColor.a = cover; \n"
+      "}\n";
+   /* Vertex shader: compute new vertex position based on incoming vertex pos,
+    * texcoords, point size, and inverse viewport scale factor.
+    * Note: should compute point size attenuation here too.
+    */
+   static const char *vertShaderText =
+      "uniform vec2 viewportInv; \n"
+      "void main() {\n"
+      "   vec4 pos = gl_ModelViewProjectionMatrix * gl_Vertex;\n"
+      "   gl_Position.xy = pos.xy + gl_MultiTexCoord0.xy * viewportInv \n"
+      "                    * gl_Point.size * pos.w; \n"
+      "   gl_Position.zw = pos.zw; \n"
+      "   gl_TexCoord[0] = gl_MultiTexCoord0; \n"
+      "   gl_FrontColor = gl_Color; \n"
+      "}\n";
+   const char *version;
+
+   version = (const char *) glGetString(GL_VERSION);
+   if (version[0] != '2' || version[1] != '.') {
+      printf("This program requires OpenGL 2.x, found %s\n", version);
+      exit(1);
+   }
+   printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
+
+   GetExtensionFuncs();
+
+   FragShader = glCreateShader_func(GL_FRAGMENT_SHADER);
+   LoadAndCompileShader(FragShader, fragShaderText);
+
+   VertShader = glCreateShader_func(GL_VERTEX_SHADER);
+   LoadAndCompileShader(VertShader, vertShaderText);
+
+   Program = glCreateProgram_func();
+   glAttachShader_func(Program, FragShader);
+   glAttachShader_func(Program, VertShader);
+   glLinkProgram_func(Program);
+   CheckLink(Program);
+   glUseProgram_func(Program);
+
+   uViewportInv = glGetUniformLocation_func(Program, "viewportInv");
+
+   glUseProgram_func(0);
+
+   glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   glutInit(&argc, argv);
+   glutInitWindowSize(WinWidth, WinHeight);
+   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
+   Win = glutCreateWindow(argv[0]);
+   glutReshapeFunc(Reshape);
+   glutKeyboardFunc(Key);
+   glutSpecialFunc(SpecialKey);
+   glutDisplayFunc(Redisplay);
+   Init();
+   glutMainLoop();
+   return 0;
+}
+
+
diff --git a/progs/glsl/trirast.c b/progs/glsl/trirast.c
new file mode 100644
index 0000000000..e4325deb1f
--- /dev/null
+++ b/progs/glsl/trirast.c
@@ -0,0 +1,326 @@
+/**
+ * Demonstration of doing triangle rasterization with a fragment program.
+ * Basic idea:
+ *   1. Draw screen-aligned quad / bounding box around the triangle verts.
+ *   2. For each pixel in the quad, determine if pixel is inside/outside
+ *      the triangle edges.
+ *
+ * Brian Paul
+ * 1 Aug 2007
+ */
+
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/gl.h>
+#include <GL/glut.h>
+#include <GL/glext.h>
+#include "extfuncs.h"
+
+
+static GLint WinWidth = 300, WinHeight = 300;
+static char *FragProgFile = NULL;
+static char *VertProgFile = NULL;
+static GLuint fragShader;
+static GLuint vertShader;
+static GLuint program;
+static GLint win = 0;
+static GLboolean anim = GL_TRUE;
+static GLfloat Zrot = 0.0f;
+static GLint uv0, uv1, uv2;
+
+
+static const GLfloat TriVerts[3][2] = {
+   { 50,  50 },
+   { 250, 50 },
+   { 150, 250 }
+};
+
+
+static void
+RotateVerts(GLfloat a,
+            GLuint n, const GLfloat vertsIn[][2], GLfloat vertsOut[][2])
+{
+   GLuint i;
+   GLfloat cx = WinWidth / 2, cy = WinHeight / 2;
+   for (i = 0; i < n; i++) {
+      float x = vertsIn[i][0] - cx;
+      float y = vertsIn[i][1] - cy;
+      
+      vertsOut[i][0] =  x * cos(a) + y * sin(a)  + cx;
+      vertsOut[i][1] = -x * sin(a) + y * cos(a)  + cy;
+   }
+}
+
+static void
+ComputeBounds(GLuint n, GLfloat vertsIn[][2],
+              GLfloat *xmin, GLfloat *ymin,
+              GLfloat *xmax, GLfloat *ymax)
+{
+   GLuint i;
+   *xmin = *xmax = vertsIn[0][0];
+   *ymin = *ymax = vertsIn[0][1];
+   for (i = 1; i < n; i++) {
+      if (vertsIn[i][0] < *xmin)
+         *xmin = vertsIn[i][0];
+      else if (vertsIn[i][0] > *xmax)
+         *xmax = vertsIn[i][0];
+      if (vertsIn[i][1] < *ymin)
+         *ymin = vertsIn[i][1];
+      else if (vertsIn[i][1] > *ymax)
+         *ymax = vertsIn[i][1];
+   }
+}
+
+
+static void
+Redisplay(void)
+{
+   GLfloat v[3][2], xmin, ymin, xmax, ymax;
+
+   RotateVerts(Zrot, 3, TriVerts, v);
+   ComputeBounds(3, v, &xmin, &ymin, &xmax, &ymax);
+
+   glUniform2fv_func(uv0, 1, v[0]);
+   glUniform2fv_func(uv1, 1, v[1]);
+   glUniform2fv_func(uv2, 1, v[2]);
+
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   glPushMatrix();
+   glBegin(GL_POLYGON);
+   glVertex2f(xmin, ymin);
+   glVertex2f(xmax, ymin);
+   glVertex2f(xmax, ymax);
+   glVertex2f(xmin, ymax);
+   glEnd();
+   glPopMatrix();
+
+   glutSwapBuffers();
+}
+
+
+static void
+Idle(void)
+{
+   Zrot = glutGet(GLUT_ELAPSED_TIME) * 0.0005;
+   glutPostRedisplay();
+}
+
+
+static void
+Reshape(int width, int height)
+{
+   glViewport(0, 0, width, height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(0, width, 0, height, -1, 1);
+
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+}
+
+
+static void
+CleanUp(void)
+{
+   glDeleteShader_func(fragShader);
+   glDeleteShader_func(vertShader);
+   glDeleteProgram_func(program);
+   glutDestroyWindow(win);
+}
+
+
+static void
+Key(unsigned char key, int x, int y)
+{
+  (void) x;
+  (void) y;
+
+   switch(key) {
+   case ' ':
+   case 'a':
+      anim = !anim;
+      if (anim)
+         glutIdleFunc(Idle);
+      else
+         glutIdleFunc(NULL);
+      break;
+   case 27:
+      CleanUp();
+      exit(0);
+      break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+LoadAndCompileShader(GLuint shader, const char *text)
+{
+   GLint stat;
+
+   glShaderSource_func(shader, 1, (const GLchar **) &text, NULL);
+
+   glCompileShader_func(shader);
+
+   glGetShaderiv_func(shader, GL_COMPILE_STATUS, &stat);
+   if (!stat) {
+      GLchar log[1000];
+      GLsizei len;
+      glGetShaderInfoLog_func(shader, 1000, &len, log);
+      fprintf(stderr, "fslight: problem compiling shader:\n%s\n", log);
+      exit(1);
+   }
+}
+
+
+/**
+ * Read a shader from a file.
+ */
+static void
+ReadShader(GLuint shader, const char *filename)
+{
+   const int max = 100*1000;
+   int n;
+   char *buffer = (char*) malloc(max);
+   FILE *f = fopen(filename, "r");
+   if (!f) {
+      fprintf(stderr, "fslight: Unable to open shader file %s\n", filename);
+      exit(1);
+   }
+
+   n = fread(buffer, 1, max, f);
+   printf("fslight: read %d bytes from shader file %s\n", n, filename);
+   if (n > 0) {
+      buffer[n] = 0;
+      LoadAndCompileShader(shader, buffer);
+   }
+
+   fclose(f);
+   free(buffer);
+}
+
+
+static void
+CheckLink(GLuint prog)
+{
+   GLint stat;
+   glGetProgramiv_func(prog, GL_LINK_STATUS, &stat);
+   if (!stat) {
+      GLchar log[1000];
+      GLsizei len;
+      glGetProgramInfoLog_func(prog, 1000, &len, log);
+      fprintf(stderr, "Linker error:\n%s\n", log);
+   }
+}
+
+
+static void
+Init(void)
+{
+   static const char *fragShaderText =
+      "uniform vec2 v0, v1, v2; \n"
+      "float crs(const vec2 u, const vec2 v) \n"
+      "{ \n"
+      "   return u.x * v.y - u.y * v.x; \n"
+      "} \n"
+      "\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"
+      "      gl_FragColor = vec4(1.0); \n"
+      "   else \n"
+      "      gl_FragColor = vec4(0.5); \n"
+      "}\n";
+   static const char *vertShaderText =
+      "void main() {\n"
+      "   gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;\n"
+      "}\n";
+   const char *version;
+
+   version = (const char *) glGetString(GL_VERSION);
+   if (version[0] != '2' || version[1] != '.') {
+      printf("This program requires OpenGL 2.x, found %s\n", version);
+      exit(1);
+   }
+
+   GetExtensionFuncs();
+
+   fragShader = glCreateShader_func(GL_FRAGMENT_SHADER);
+   if (FragProgFile)
+      ReadShader(fragShader, FragProgFile);
+   else
+      LoadAndCompileShader(fragShader, fragShaderText);
+
+   vertShader = glCreateShader_func(GL_VERTEX_SHADER);
+   if (VertProgFile)
+      ReadShader(vertShader, VertProgFile);
+   else
+      LoadAndCompileShader(vertShader, vertShaderText);
+
+   program = glCreateProgram_func();
+   glAttachShader_func(program, fragShader);
+   glAttachShader_func(program, vertShader);
+   glLinkProgram_func(program);
+   CheckLink(program);
+   glUseProgram_func(program);
+
+   uv0 = glGetUniformLocation_func(program, "v0");
+   uv1 = glGetUniformLocation_func(program, "v1");
+   uv2 = glGetUniformLocation_func(program, "v2");
+   printf("Uniforms: %d %d %d\n", uv0, uv1, uv2);
+
+   /*assert(glGetError() == 0);*/
+
+   glClearColor(0.3f, 0.3f, 0.3f, 0.0f);
+   glEnable(GL_DEPTH_TEST);
+
+   printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
+
+   assert(glIsProgram_func(program));
+   assert(glIsShader_func(fragShader));
+   assert(glIsShader_func(vertShader));
+
+   glColor3f(1, 0, 0);
+}
+
+
+static void
+ParseOptions(int argc, char *argv[])
+{
+   int i;
+   for (i = 1; i < argc; i++) {
+      if (strcmp(argv[i], "-fs") == 0) {
+         FragProgFile = argv[i+1];
+      }
+      else if (strcmp(argv[i], "-vs") == 0) {
+         VertProgFile = argv[i+1];
+      }
+   }
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   glutInit(&argc, argv);
+   glutInitWindowPosition( 0, 0);
+   glutInitWindowSize(WinWidth, WinHeight);
+   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
+   win = glutCreateWindow(argv[0]);
+   glutReshapeFunc(Reshape);
+   glutKeyboardFunc(Key);
+   glutDisplayFunc(Redisplay);
+   if (anim)
+      glutIdleFunc(Idle);
+   ParseOptions(argc, argv);
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/miniglx/Makefile b/progs/miniglx/Makefile
index 7f1e162186..56cecf4081 100644
--- a/progs/miniglx/Makefile
+++ b/progs/miniglx/Makefile
@@ -27,7 +27,7 @@ INCLUDES = \
 .SUFFIXES: .c
 
 .c:
-	$(CC) $(INCLUDES) $(CFLAGS) $< $(APP_LIB_DEPS) -o $@
+	$(CC) $(INCLUDES) $(CFLAGS) $(LDFLAGS) $< $(APP_LIB_DEPS) -o $@
 
 .c.o:
 	$(CC) -c $(INCLUDES) $(CFLAGS) $< -o $@
diff --git a/progs/osdemos/Makefile b/progs/osdemos/Makefile
index f8cba9ee99..7e657744e3 100644
--- a/progs/osdemos/Makefile
+++ b/progs/osdemos/Makefile
@@ -26,7 +26,7 @@ PROGS = \
 
 # make executable from .c file:
 .c: $(LIB_DEP) readtex.o
-	$(CC) -I$(INCDIR) $(CFLAGS) $< readtex.o $(APP_LIB_DEPS) -o $@
+	$(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) $< readtex.o $(APP_LIB_DEPS) -o $@
 
 
 ##### TARGETS #####
@@ -56,19 +56,19 @@ showbuffer.o: showbuffer.c showbuffer.h
 
 # special case: need the -lOSMesa library:
 osdemo: osdemo.c
-	$(CC) -I$(INCDIR) $(CFLAGS) osdemo.c $(OSMESA_LIBS) -o $@
+	$(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) osdemo.c $(OSMESA_LIBS) -o $@
 
 # special case: need the -lOSMesa library:
 ostest1: ostest1.c
-	$(CC) -I$(INCDIR) $(CFLAGS) ostest1.c $(OSMESA_LIBS) -o $@
+	$(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) ostest1.c $(OSMESA_LIBS) -o $@
 
 # another special case: need the -lOSMesa16 library:
 osdemo16: osdemo16.c
-	$(CC) -I$(INCDIR) $(CFLAGS) osdemo16.c $(OSMESA16_LIBS) -o $@
+	$(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) osdemo16.c $(OSMESA16_LIBS) -o $@
 
 # another special case: need the -lOSMesa32 library:
 osdemo32: osdemo32.c
-	$(CC) -I$(INCDIR) $(CFLAGS) osdemo32.c $(OSMESA32_LIBS) -o $@
+	$(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) osdemo32.c $(OSMESA32_LIBS) -o $@
 
 
 
diff --git a/progs/osdemos/ostest1.c b/progs/osdemos/ostest1.c
index 001e368616..2c7adfc353 100644
--- a/progs/osdemos/ostest1.c
+++ b/progs/osdemos/ostest1.c
@@ -409,6 +409,8 @@ test(GLenum type, GLint bits, const char *filename)
 
    printf("Rendering %d bit/channel image: %s\n", bits, filename);
 
+   OSMesaColorClamp(GL_TRUE);
+
    init_context();
    render_image();
    if (Gradient)
@@ -421,7 +423,7 @@ test(GLenum type, GLint bits, const char *filename)
    if (WriteFiles && filename != NULL) {
       if (type == GL_UNSIGNED_SHORT) {
          GLushort *buffer16 = (GLushort *) buffer;
-         GLubyte *buffer8 = malloc(WIDTH * HEIGHT * 4);
+         GLubyte *buffer8 = (GLubyte *) malloc(WIDTH * HEIGHT * 4);
          int i;
          for (i = 0; i < WIDTH * HEIGHT * 4; i++)
             buffer8[i] = buffer16[i] >> 8;
@@ -430,8 +432,9 @@ test(GLenum type, GLint bits, const char *filename)
       }
       else if (type == GL_FLOAT) {
          GLfloat *buffer32 = (GLfloat *) buffer;
-         GLubyte *buffer8 = malloc(WIDTH * HEIGHT * 4);
+         GLubyte *buffer8 = (GLubyte *) malloc(WIDTH * HEIGHT * 4);
          int i;
+         /* colors may be outside [0,1] so we need to clamp */
          for (i = 0; i < WIDTH * HEIGHT * 4; i++)
             buffer8[i] = (GLubyte) (buffer32[i] * 255.0);
          write_ppm(filename, buffer8, WIDTH, HEIGHT);
diff --git a/progs/redbook/Makefile b/progs/redbook/Makefile
index febc74441b..078f19125a 100644
--- a/progs/redbook/Makefile
+++ b/progs/redbook/Makefile
@@ -24,7 +24,7 @@ PROGS = aaindex aapoly aargb accanti accpersp alpha alpha3D anti \
 .SUFFIXES: .c
 
 .c: $(LIB_DEP)
-	$(CC) -I$(INCDIR) $(CFLAGS) $< $(APP_LIB_DEPS) -o $@
+	$(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) $< $(APP_LIB_DEPS) -o $@
 
 
 
diff --git a/progs/samples/Makefile b/progs/samples/Makefile
index 063008dccf..8c99e8df25 100644
--- a/progs/samples/Makefile
+++ b/progs/samples/Makefile
@@ -18,7 +18,7 @@ PROGS = accum bitmap1 bitmap2 blendeq blendxor copy cursor depth eval fog \
 .SUFFIXES: .c
 
 .c: $(LIB_DEP)
-	$(CC) -I$(INCDIR) $(CFLAGS) $< $(APP_LIB_DEPS) -o $@
+	$(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) $< $(APP_LIB_DEPS) -o $@
 
 
 ##### TARGETS #####
@@ -27,7 +27,7 @@ default: $(PROGS)
 
 
 sphere: sphere.o readtex.o
-	$(CC) -I$(INCDIR) $(CFLAGS) sphere.o readtex.o $(APP_LIB_DEPS) -o $@
+	$(CC) -I$(INCDIR) $(CFLAGS) $(LDFLAGS) sphere.o readtex.o $(APP_LIB_DEPS) -o $@
 
 sphere.o: sphere.c readtex.h
 	$(CC) -c -I$(INCDIR) $(CFLAGS) sphere.c
diff --git a/progs/samples/Makefile.mgw b/progs/samples/Makefile.mgw
index 3b2fd785de..8bb975be9d 100644
--- a/progs/samples/Makefile.mgw
+++ b/progs/samples/Makefile.mgw
@@ -53,14 +53,9 @@
 
 TOP = ../..
 
-include $(TOP)/configs/config.mgw
-ALL_USING_STDCALL ?= 1
-GL_USING_STDCALL ?= 1
-GLUT_USING_STDCALL ?= 1
-
 CC = mingw32-gcc
 CFLAGS = -Wall -pedantic
-CFLAGS += -O2 -ffast-math
+CFLAGS += -O2 -ffast-math -D_DLL
 CFLAGS += -I$(TOP)/include -I../util
 ifeq ($(FX),1)
   CFLAGS += -DFX
@@ -68,17 +63,6 @@ endif
 
 CFLAGS += -DGLUT_DISABLE_ATEXIT_HACK
 
-ifeq ($(GL_USING_STDCALL),0)
-  CFLAGS += -DGL_NO_STDCALL
-endif
-
-ifeq ($(GLUT_USING_STDCALL),1)
-  CFLAGS += -D_STDCALL_SUPPORTED
-else
-  CFLAGS += -DGLUT_NO_STDCALL
-endif
-
-
 LD = mingw32-g++
 LDFLAGS = -s -L$(TOP)/lib
 
@@ -87,7 +71,8 @@ LDLIBS = -lglut32 -lglu32 -lopengl32
 .c.o:
 	$(CC) -o $@ $(CFLAGS) -c $<
 %.exe: ../util/readtex.o ../util/showbuffer.o %.o
-	$(LD) -o $@ $(LDFLAGS) $^ $(LDLIBS)
+	$(LD) -o $@ $(LDFLAGS) $(LDLIBS) $^
+
 
 all:
 	$(error Must specify <filename.exe> to build)
diff --git a/progs/slang/Makefile b/progs/slang/Makefile
index 1c602ce49c..61db26d080 100644
--- a/progs/slang/Makefile
+++ b/progs/slang/Makefile
@@ -29,13 +29,13 @@ clean:
 #
 
 cltest: cltest.o framework.o $(LIB_DEP)
-	$(CC) cltest.o framework.o $(APP_LIB_DEPS) -o cltest
+	$(CC) $(LDFLAGS) cltest.o framework.o $(APP_LIB_DEPS) -o cltest
 
 sotest: sotest.o framework.o $(LIB_DEP)
-	$(CC) sotest.o framework.o $(APP_LIB_DEPS) -o sotest
+	$(CC) $(LDFLAGS) sotest.o framework.o $(APP_LIB_DEPS) -o sotest
 
 vstest: vstest.o framework.o $(LIB_DEP)
-	$(CC) vstest.o framework.o $(APP_LIB_DEPS) -o vstest
+	$(CC) $(LDFLAGS) vstest.o framework.o $(APP_LIB_DEPS) -o vstest
 
 #
 # objects
diff --git a/progs/tests/.gitignore b/progs/tests/.gitignore
index 2c0e16c35e..cb3e09d5d5 100644
--- a/progs/tests/.gitignore
+++ b/progs/tests/.gitignore
@@ -1,23 +1,32 @@
 .cvsignore
 getproclist.h
+afsmultiarb
 antialias
 arbfpspec
 arbfptest1
 arbfptexture
 arbfptrig
+arbnpot
+arbnpot-mipmap
 arbvptest1
 arbvptest3
 arbvptorus
 arbvpwarpmesh
+arraytexture
 blendminmax
 blendsquare
 bufferobj
+bug_3050
 bug_3101
 bug_3195
+copypixrate
 crossbar
 cva
 dinoshade
+drawbuffers
+extfuncs.h
 fbotest1
+fbotest2
 fbotexture
 floattex
 fog
@@ -25,24 +34,37 @@ fogcoord
 fptest1
 fptexture
 getprocaddress
+jkrahntest
+interleave
 invert
 manytex
+mipmap_limits
 multipal
 no_s3tc
 packedpixels
 pbo
 projtex
+prog_parameter
+random
+readrate
+readtex.c
+readtex.h
 seccolor
 sharedtex
 stencil_wrap
 stencilwrap
+subtexrate
 tex1d
 texcmp
+texcompress2
+texfilt
 texgenmix
 texline
 texobjshare
 texrect
 texwrap
+vao-01
+vao-02
 vparray
 vptest1
 vptest2
diff --git a/progs/tests/Makefile b/progs/tests/Makefile
index 9016efe9e7..e8d0edda3a 100644
--- a/progs/tests/Makefile
+++ b/progs/tests/Makefile
@@ -88,13 +88,22 @@ INCLUDES = -I. -I$(TOP)/include
 UTIL_FILES = readtex.h readtex.c
 
 
+##### TARGETS #####
+
+default: $(UTIL_FILES) $(PROGS)
+
+clean:
+	rm -f $(PROGS)
+	rm -f *.o
+	rm -f getproclist.h
+
 ##### RULES #####
 
 .SUFFIXES:
 .SUFFIXES: .c
 
 .c:
-	$(CC) $(INCLUDES) $(CFLAGS) $< $(LIBS) -o $@
+	$(CC) $(INCLUDES) $(CFLAGS) $(LDFLAGS) $< $(LIBS) -o $@
 
 .c.o:
 	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
@@ -102,17 +111,6 @@ UTIL_FILES = readtex.h readtex.c
 .S.o:
 	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES)  $< -o $@
 
-
-##### TARGETS #####
-
-default: $(UTIL_FILES) $(PROGS)
-
-clean:
-	rm -f $(PROGS)
-	rm -f *.o
-	rm -f getproclist.h
-
-
 # auto code generation
 getprocaddress: getprocaddress.c getproclist.h
 
@@ -123,40 +121,40 @@ arraytexture: arraytexture.o readtex.o
 	$(CC) $(CFLAGS) arraytexture.o readtex.o $(LIBS) -o $@
 
 arraytexture.o: arraytexture.c readtex.h
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) arraytexture.c -o $@
 
 afsmultiarb: afsmultiarb.o readtex.o
-	$(CC) $(CFLAGS) afsmultiarb.o readtex.o $(LIBS) -o $@
+	$(CC) $(CFLAGS) $(LDFLAGS) afsmultiarb.o readtex.o $(LIBS) -o $@
 
 afsmultiarb.o: afsmultiarb.c readtex.h
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) afsmultiarb.c -o $@
 
 drawbuffers: drawbuffers.o
-	$(CC) $(CFLAGS) drawbuffers.o $(LIBS) -o $@
+	$(CC) $(CFLAGS) $(LDFLAGS) drawbuffers.o $(LIBS) -o $@
 
 drawbuffers.o: drawbuffers.c extfuncs.h
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) drawbuffers.c -o $@
 
 texrect: texrect.o readtex.o
-	$(CC) $(CFLAGS) texrect.o readtex.o $(LIBS) -o $@
+	$(CC) $(CFLAGS) $(LDFLAGS) texrect.o readtex.o $(LIBS) -o $@
 
 texrect.o: texrect.c readtex.h
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) texrect.c -o $@
 
 bug_3195: bug_3195.o readtex.o
-	$(CC) $(CFLAGS) bug_3195.o readtex.o $(LIBS) -o $@
+	$(CC) $(CFLAGS) $(LDFLAGS) bug_3195.o readtex.o $(LIBS) -o $@
 
 bug_3195.o: bug_3195.c readtex.h
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) bug_3195.c -o $@
 
 invert: invert.o readtex.o
-	$(CC) $(CFLAGS) invert.o readtex.o $(LIBS) -o $@
+	$(CC) $(CFLAGS) $(LDFLAGS) invert.o readtex.o $(LIBS) -o $@
 
 invert.o: invert.c readtex.h
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) invert.c -o $@
 
 readtex.o: readtex.c
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) readtex.c -o $@
 
 
 readtex.h: $(TOP)/progs/util/readtex.h
diff --git a/progs/tests/cva.c b/progs/tests/cva.c
index c7677990bf..ed965e748a 100644
--- a/progs/tests/cva.c
+++ b/progs/tests/cva.c
@@ -11,11 +11,7 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
-#ifdef __VMS
-# include <stddef.h>	/* for ptrdiff_t, referenced by GL.h when GL_GLEXT_LEGACY defined */
-#else
-# include <malloc.h>	/* for ptrdiff_t, referenced by GL.h when GL_GLEXT_LEGACY defined */
-#endif
+#include <stddef.h>	/* for ptrdiff_t, referenced by GL.h when GL_GLEXT_LEGACY defined */
 #ifdef _WIN32
 #include <windows.h>
 #endif
diff --git a/progs/tests/dinoshade.c b/progs/tests/dinoshade.c
index ed7b879bc7..504b4af526 100644
--- a/progs/tests/dinoshade.c
+++ b/progs/tests/dinoshade.c
@@ -38,11 +38,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <math.h>       /* for cos(), sin(), and sqrt() */
-#ifdef __VMS
-# include <stddef.h>	/* for ptrdiff_t, referenced by GL.h when GL_GLEXT_LEGACY defined */
-#else
-# include <malloc.h>	/* for ptrdiff_t, referenced by GL.h when GL_GLEXT_LEGACY defined */
-#endif
+#include <stddef.h>	/* for ptrdiff_t, referenced by GL.h when GL_GLEXT_LEGACY defined */
 #ifdef _WIN32
 #include <windows.h>
 #endif
diff --git a/progs/tests/multipal.c b/progs/tests/multipal.c
index c824b38703..fac652f4e0 100644
--- a/progs/tests/multipal.c
+++ b/progs/tests/multipal.c
@@ -9,11 +9,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#ifdef __VMS
-# include <stddef.h>	/* for ptrdiff_t, referenced by GL.h when GL_GLEXT_LEGACY defined */
-#else
-# include <malloc.h>	/* for ptrdiff_t, referenced by GL.h when GL_GLEXT_LEGACY defined */
-#endif
+#include <stddef.h>	/* for ptrdiff_t, referenced by GL.h when GL_GLEXT_LEGACY defined */
 #ifdef _WIN32
 #include <windows.h>
 #endif
diff --git a/progs/tools/trace/Makefile b/progs/tools/trace/Makefile
index 3f7bdcbc93..4b05fd87a5 100644
--- a/progs/tools/trace/Makefile
+++ b/progs/tools/trace/Makefile
@@ -17,7 +17,7 @@ default: $(TRACER)
 
 $(TRACER): $(OBJECTS)
 	$(TOP)/bin/mklib -o $(TRACER) -noprefix -cplusplus \
-		$(MKLIB_OPTIONS) $(OBJECTS)
+		-ldflags '$(LDFLAGS)' $(MKLIB_OPTIONS) $(OBJECTS)
 
 gltrace.cc: gltrace.py
 	PYTHONPATH=$(TOP)/src/mesa/glapi python gltrace.py -f $(TOP)/src/mesa/glapi/gl_API.xml  > gltrace.cc
diff --git a/progs/trivial/Makefile b/progs/trivial/Makefile
index 341c115c07..259e20aa57 100644
--- a/progs/trivial/Makefile
+++ b/progs/trivial/Makefile
@@ -88,7 +88,7 @@ UTIL_FILES = readtex.h readtex.c
 .SUFFIXES: .c
 
 .c:
-	$(CC) $(INCLUDES) $(CFLAGS) $< $(LIBS) -o $@
+	$(CC) $(INCLUDES) $(CFLAGS) $(LDFLAGS) $< $(LIBS) -o $@
 
 .c.o:
 	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
@@ -115,13 +115,13 @@ getproclist.h: $(TOP)/src/mesa/glapi/gl_API.xml getprocaddress.c getprocaddress.
 
 
 texrect: texrect.o readtex.o
-	$(CC) texrect.o readtex.o $(LIBS) -o $@
+	$(CC) $(LDFLAGS) texrect.o readtex.o $(LIBS) -o $@
 
 texrect.o: texrect.c readtex.h
 	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
 
 invert: invert.o readtex.o
-	$(CC) invert.o readtex.o $(LIBS) -o $@
+	$(CC) $(LDFLAGS) invert.o readtex.o $(LIBS) -o $@
 
 invert.o: invert.c readtex.h
 	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
diff --git a/progs/util/extfuncs.h b/progs/util/extfuncs.h
index 5d647cdae7..716bb7df3b 100644
--- a/progs/util/extfuncs.h
+++ b/progs/util/extfuncs.h
@@ -26,6 +26,13 @@ static PFNGLISSHADERPROC glIsShader_func = NULL;
 static PFNGLLINKPROGRAMPROC glLinkProgram_func = NULL;
 static PFNGLSHADERSOURCEPROC glShaderSource_func = NULL;
 static PFNGLUNIFORM1IPROC glUniform1i_func = NULL;
+static PFNGLUNIFORM2IPROC glUniform2i_func = NULL;
+static PFNGLUNIFORM3IPROC glUniform3i_func = NULL;
+static PFNGLUNIFORM4IPROC glUniform4i_func = NULL;
+static PFNGLUNIFORM1FPROC glUniform1f_func = NULL;
+static PFNGLUNIFORM2FPROC glUniform2f_func = NULL;
+static PFNGLUNIFORM3FPROC glUniform3f_func = NULL;
+static PFNGLUNIFORM4FPROC glUniform4f_func = NULL;
 static PFNGLUNIFORM1FVPROC glUniform1fv_func = NULL;
 static PFNGLUNIFORM2FVPROC glUniform2fv_func = NULL;
 static PFNGLUNIFORM3FVPROC glUniform3fv_func = NULL;
@@ -47,6 +54,9 @@ static PFNGLUNIFORMMATRIX4X2FVPROC glUniformMatrix4x2fv_func = NULL;
 static PFNGLUNIFORMMATRIX3X4FVPROC glUniformMatrix3x4fv_func = NULL;
 static PFNGLUNIFORMMATRIX4X3FVPROC glUniformMatrix4x3fv_func = NULL;
 
+/* OpenGL 1.4 */
+static PFNGLPOINTPARAMETERFVPROC glPointParameterfv_func = NULL;
+
 /* GL_ARB_vertex/fragment_program */
 static PFNGLBINDPROGRAMARBPROC glBindProgramARB_func = NULL;
 static PFNGLDELETEPROGRAMSARBPROC glDeleteProgramsARB_func = NULL;
@@ -94,6 +104,13 @@ GetExtensionFuncs(void)
    glLinkProgram_func = (PFNGLLINKPROGRAMPROC) glutGetProcAddress("glLinkProgram");
    glShaderSource_func = (PFNGLSHADERSOURCEPROC) glutGetProcAddress("glShaderSource");
    glUniform1i_func = (PFNGLUNIFORM1IPROC) glutGetProcAddress("glUniform1i");
+   glUniform2i_func = (PFNGLUNIFORM2IPROC) glutGetProcAddress("glUniform2i");
+   glUniform3i_func = (PFNGLUNIFORM3IPROC) glutGetProcAddress("glUniform3i");
+   glUniform4i_func = (PFNGLUNIFORM4IPROC) glutGetProcAddress("glUniform3i");
+   glUniform1f_func = (PFNGLUNIFORM1FPROC) glutGetProcAddress("glUniform1f");
+   glUniform2f_func = (PFNGLUNIFORM2FPROC) glutGetProcAddress("glUniform2f");
+   glUniform3f_func = (PFNGLUNIFORM3FPROC) glutGetProcAddress("glUniform3f");
+   glUniform4f_func = (PFNGLUNIFORM4FPROC) glutGetProcAddress("glUniform3f");
    glUniform1fv_func = (PFNGLUNIFORM1FVPROC) glutGetProcAddress("glUniform1fv");
    glUniform2fv_func = (PFNGLUNIFORM2FVPROC) glutGetProcAddress("glUniform2fv");
    glUniform3fv_func = (PFNGLUNIFORM3FVPROC) glutGetProcAddress("glUniform3fv");
@@ -115,6 +132,8 @@ GetExtensionFuncs(void)
    glUniformMatrix3x4fv_func = (PFNGLUNIFORMMATRIX3X4FVPROC) glutGetProcAddress("glUniformMatrix3x4fv");
    glUniformMatrix4x3fv_func = (PFNGLUNIFORMMATRIX4X3FVPROC) glutGetProcAddress("glUniformMatrix4x3fv");
 
+   glPointParameterfv_func = (PFNGLPOINTPARAMETERFVPROC) glutGetProcAddress("glPointParameterfv");
+
    /* GL_ARB_vertex/fragment_program */
    glBindProgramARB_func = (PFNGLBINDPROGRAMARBPROC) glutGetProcAddress("glBindProgramARB");
    glDeleteProgramsARB_func = (PFNGLDELETEPROGRAMSARBPROC) glutGetProcAddress("glDeleteProgramsARB");
diff --git a/progs/vp/Makefile b/progs/vp/Makefile
index c3faeb5b60..4952a52fc9 100644
--- a/progs/vp/Makefile
+++ b/progs/vp/Makefile
@@ -26,7 +26,7 @@ INCLUDES = -I. -I$(TOP)/include -I../samples
 .SUFFIXES: .c
 
 .c:
-	$(CC) $(INCLUDES) $(CFLAGS) $< $(LIBS) -o $@
+	$(CC) $(INCLUDES) $(CFLAGS) $(LDFLAGS) $< $(LIBS) -o $@
 
 .c.o:
 	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
diff --git a/progs/xdemos/.gitignore b/progs/xdemos/.gitignore
index 4adffda2d1..f959ef26ec 100644
--- a/progs/xdemos/.gitignore
+++ b/progs/xdemos/.gitignore
@@ -1,6 +1,8 @@
 glthreads
+glxcontexts
 glxdemo
 glxgears
+glxgears_fbconfig
 glxheads
 glxinfo
 glxpixmap
@@ -8,9 +10,12 @@ glxpbdemo
 glxswapcontrol
 manywin
 offset
+overlay
 pbinfo
 pbdemo
+texture_from_pixmap
 wincopy
 xdemo
 xfont
 xrotfontdemo
+yuvrect_client
diff --git a/progs/xdemos/Makefile b/progs/xdemos/Makefile
index d1d7fecea1..c585026ad3 100644
--- a/progs/xdemos/Makefile
+++ b/progs/xdemos/Makefile
@@ -38,7 +38,7 @@ PROGS = glthreads \
 .SUFFIXES: .c
 
 .c: $(LIB_DEP)
-	$(CC) -I$(INCDIR) $(CFLAGS) $< $(APP_LIB_DEPS) -o $@
+	$(CC) -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) $(LDFLAGS) $< $(APP_LIB_DEPS) -o $@
 
 
 ##### TARGETS #####
@@ -53,32 +53,32 @@ clean:
 
 # special cases
 pbinfo: pbinfo.o pbutil.o
-	$(CC) -I$(INCDIR) $(CFLAGS) pbinfo.o pbutil.o $(APP_LIB_DEPS) -o $@
+	$(CC) $(LDFLAGS) pbinfo.o pbutil.o $(APP_LIB_DEPS) -o $@
 
 pbdemo: pbdemo.o pbutil.o
-	$(CC) -I$(INCDIR) $(CFLAGS) pbdemo.o pbutil.o $(APP_LIB_DEPS) -o $@
+	$(CC) $(LDFLAGS) pbdemo.o pbutil.o $(APP_LIB_DEPS) -o $@
 
 pbinfo.o: pbinfo.c pbutil.h
-	$(CC) -c -I. -I$(INCDIR) $(CFLAGS) pbinfo.c
+	$(CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) pbinfo.c
 
 pbdemo.o: pbdemo.c pbutil.h
-	$(CC) -c -I. -I$(INCDIR) $(CFLAGS) pbdemo.c
+	$(CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) pbdemo.c
 
 pbutil.o: pbutil.c pbutil.h
-	$(CC) -c -I. -I$(INCDIR) $(CFLAGS) pbutil.c
+	$(CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) pbutil.c
 
 glxgears_fbconfig: glxgears_fbconfig.o pbutil.o
-	$(CC) -I$(INCDIR) $(CFLAGS) glxgears_fbconfig.o pbutil.o $(APP_LIB_DEPS) -o $@
+	$(CC) $(LDFLAGS) glxgears_fbconfig.o pbutil.o $(APP_LIB_DEPS) -o $@
 
 glxgears_fbconfig.o: glxgears_fbconfig.c pbutil.h
-	$(CC) -I$(INCDIR) $(CFLAGS) -c -I. $(CFLAGS) glxgears_fbconfig.c
+	$(CC) -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) -c -I. $(CFLAGS) glxgears_fbconfig.c
 
 xrotfontdemo: xrotfontdemo.o xuserotfont.o
-	$(CC) -I$(INCDIR) $(CFLAGS) xrotfontdemo.o xuserotfont.o $(APP_LIB_DEPS) -o $@
+	$(CC) $(LDFLAGS) xrotfontdemo.o xuserotfont.o $(APP_LIB_DEPS) -o $@
 
 xuserotfont.o: xuserotfont.c xuserotfont.h
-	$(CC) -c -I. -I$(INCDIR) $(CFLAGS) xuserotfont.c
+	$(CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) xuserotfont.c
 
 xrotfontdemo.o: xrotfontdemo.c xuserotfont.h
-	$(CC) -c -I. -I$(INCDIR) $(CFLAGS) xrotfontdemo.c
+	$(CC) -c -I. -I$(INCDIR) $(X11_INCLUDES) $(CFLAGS) xrotfontdemo.c
 
diff --git a/progs/xdemos/glxgears.c b/progs/xdemos/glxgears.c
index 75d63e51a2..ec431c16f0 100644
--- a/progs/xdemos/glxgears.c
+++ b/progs/xdemos/glxgears.c
@@ -433,7 +433,7 @@ make_window( Display *dpy, const char *name,
    attr.override_redirect = fullscreen;
    mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask | CWOverrideRedirect;
 
-   win = XCreateWindow( dpy, root, 0, 0, width, height,
+   win = XCreateWindow( dpy, root, x, y, width, height,
 		        0, visinfo->depth, InputOutput,
 		        visinfo->visual, mask, &attr );
 
@@ -548,13 +548,16 @@ usage(void)
    printf("  -stereo                 run in stereo mode\n");
    printf("  -fullscreen             run in fullscreen mode\n");
    printf("  -info                   display OpenGL renderer info\n");
+   printf("  -winwidth <width>       window width (default: 300)\n");
+   printf("  -winheight <height>     window height (default: 300)\n");
 }
  
 
 int
 main(int argc, char *argv[])
 {
-   const int winWidth = 300, winHeight = 300;
+   unsigned int winWidth = 300, winHeight = 300;
+   int x = 0, y = 0;
    Display *dpy;
    Window win;
    GLXContext ctx;
@@ -576,6 +579,10 @@ main(int argc, char *argv[])
       else if (strcmp(argv[i], "-fullscreen") == 0) {
          fullscreen = GL_TRUE;
       }
+      else if (i < argc-1 && strcmp(argv[i], "-geometry") == 0) {
+         XParseGeometry(argv[i+1], &x, &y, &winWidth, &winHeight);
+         i++;
+      }
       else {
          usage();
          return -1;
@@ -589,7 +596,7 @@ main(int argc, char *argv[])
       return -1;
    }
 
-   make_window(dpy, "glxgears", 0, 0, winWidth, winHeight, &win, &ctx);
+   make_window(dpy, "glxgears", x, y, winWidth, winHeight, &win, &ctx);
    XMapWindow(dpy, win);
    glXMakeCurrent(dpy, win, ctx);
 
diff --git a/progs/xdemos/glxswapcontrol.c b/progs/xdemos/glxswapcontrol.c
index d9be984be5..e429d58ecc 100644
--- a/progs/xdemos/glxswapcontrol.c
+++ b/progs/xdemos/glxswapcontrol.c
@@ -814,6 +814,11 @@ main(int argc, char *argv[])
 
    init();
 
+   /* Set initial projection/viewing transformation.
+    * same as glxgears.c
+    */
+   reshape(300, 300);
+
    event_loop(dpy, win);
 
    glXDestroyContext(dpy, ctx);