125 files changed, 5607 insertions, 4164 deletions

diff --git a/progs/SConscript b/progs/SConscript
index aa6640cf7a..4cd35fec64 100644
--- a/progs/SConscript
+++ b/progs/SConscript
@@ -24,6 +24,7 @@ if progs_env['platform'] == 'windows':
 if progs_env['platform'] == 'windows':
     progs_env.Prepend(LIBS = ['glu32', 'opengl32'])
 else:
+    progs_env.Tool('x11')
     progs_env.Prepend(LIBS = ['GLU', 'GL'])
 
 # Glut
@@ -56,4 +57,5 @@ SConscript([
     'wgl/SConscript',
     'perf/SConscript',
     'gallium/unit/SConscript',
+#   'gallium/raw/SConscript',
 ])
diff --git a/progs/demos/dissolve.c b/progs/demos/dissolve.c
index 0b8df1bb66..8ab5242d91 100644
--- a/progs/demos/dissolve.c
+++ b/progs/demos/dissolve.c
@@ -1,5 +1,5 @@
 /**
- * Dissolve between two images using randomized stencil buffer
+ * Dissolve between two images using randomized/patterned stencil buffer
  * and varying stencil ref.
  *
  * Brian Paul
@@ -9,6 +9,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <math.h>
 #include <GL/glut.h>
 #include "readtex.h"
@@ -28,6 +29,8 @@ static GLfloat ScaleX[2], ScaleY[2];
 
 static GLubyte StencilRef = 0;
 
+static int Mode = 0;
+
 
 static void
 Idle(void)
@@ -38,13 +41,114 @@ Idle(void)
 
 
 static void
-RandomizeStencilBuffer(void)
+FillRandomPixels(GLubyte *b)
 {
-   GLubyte *b = malloc(WinWidth * WinHeight);
    int i;
    for (i = 0; i < WinWidth * WinHeight; i++) {
       b[i] = rand() & 0xff;
    }
+}
+
+
+static void
+FillRandomRects(GLubyte *b)
+{
+   int i;
+
+   memset(b, 0, WinWidth * WinHeight);
+
+   for (i = 0; i < 256; i++) {
+      int x = rand() % WinWidth;
+      int y = rand() % WinHeight;
+      int w = rand() % 60;
+      int h = rand() % 60;
+      int ix, iy;
+
+      if (x + w > WinWidth)
+         w = WinWidth - x;
+      if (y + h > WinHeight)
+         h = WinHeight - y;
+
+      for (iy = 0; iy < h; iy++) {
+         for (ix = 0; ix < w; ix++) {
+            int p = (y + iy) * WinWidth + x + ix;
+            b[p] = i;
+         }
+      }
+   }
+}
+
+
+static void
+FillWipe(GLubyte *b)
+{
+   int iy, ix;
+
+   memset(b, 0, WinWidth * WinHeight);
+
+   for (iy = 0; iy < WinHeight; iy++) {
+      for (ix = 0; ix < WinWidth; ix++) {
+         int p = iy * WinWidth + ix;
+         b[p] = 2 * ix + iy / 2;
+      }
+   }
+}
+
+
+static void
+FillMoire(GLubyte *b)
+{
+   int iy, ix;
+
+   memset(b, 0, WinWidth * WinHeight);
+
+   for (iy = 0; iy < WinHeight; iy++) {
+      for (ix = 0; ix < WinWidth; ix++) {
+         int p = iy * WinWidth + ix;
+         b[p] = (ix / 2) * (ix / 2) - (iy / 2) * (iy / 2);
+      }
+   }
+}
+
+
+static void
+FillWaves(GLubyte *b)
+{
+   int iy, ix;
+
+   memset(b, 0, WinWidth * WinHeight);
+
+   for (iy = 0; iy < WinHeight; iy++) {
+      for (ix = 0; ix < WinWidth; ix++) {
+         int p = iy * WinWidth + ix;
+         float x = 8.0 * 3.1415 * ix / (float) WinWidth;
+         b[p] = (int) (25.0 * sin(x) ) - iy*2;
+      }
+   }
+}
+
+
+typedef void (*FillFunc)(GLubyte *b);
+
+
+static FillFunc Funcs[] = {
+   FillRandomPixels,
+   FillRandomRects,
+   FillWipe,
+   FillMoire,
+   FillWaves
+};
+
+#define NUM_MODES (sizeof(Funcs) / sizeof(Funcs[0]))
+
+
+
+static void
+InitStencilBuffer(void)
+{
+   GLubyte *b = malloc(WinWidth * WinHeight);
+
+   Funcs[Mode](b);
 
    glStencilFunc(GL_ALWAYS, 0, ~0);
    glPixelZoom(1.0, 1.0);
@@ -54,7 +158,6 @@ RandomizeStencilBuffer(void)
 }
 
 
-
 static void
 Draw(void)
 {
@@ -85,7 +188,7 @@ Reshape(int width, int height)
    glLoadIdentity();
    glTranslatef(0.0, 0.0, -15.0);
 
-   RandomizeStencilBuffer();
+   InitStencilBuffer();
 
    ScaleX[0] = (float) width / ImgWidth[0];
    ScaleY[0] = (float) height / ImgHeight[0];
@@ -102,12 +205,26 @@ Key(unsigned char key, int x, int y)
    (void) y;
    switch (key) {
    case 'a':
+   case ' ':
       Anim = !Anim;
       if (Anim)
          glutIdleFunc(Idle);
       else
          glutIdleFunc(NULL);
       break;
+   case 'i':
+      InitStencilBuffer();
+      break;
+   case '-':
+      StencilRef--;
+      break;
+   case '+':
+      StencilRef++;
+      break;
+   case 'm':
+      Mode = (Mode + 1) % NUM_MODES;
+      InitStencilBuffer();
+      break;
    case 27:
       glutDestroyWindow(Win);
       exit(0);
@@ -143,8 +260,8 @@ Init(void)
 int
 main(int argc, char *argv[])
 {
-   glutInit(&argc, argv);
    glutInitWindowSize(WinWidth, WinHeight);
+   glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH | GLUT_STENCIL);
    Win = glutCreateWindow(argv[0]);
    glutReshapeFunc(Reshape);
@@ -153,6 +270,14 @@ main(int argc, char *argv[])
    if (Anim)
       glutIdleFunc(Idle);
    Init();
+
+   printf("Keys:\n");
+   printf("  a/SPACE  toggle animation\n");
+   printf("  +/-      single step\n");
+   printf("  i        re-init pattern\n");
+   printf("  m        change pattern/dissolve mode\n");
+   printf("  ESC      exit\n");
+
    glutMainLoop();
    return 0;
 }
diff --git a/progs/demos/stex3d.c b/progs/demos/stex3d.c
index c0bbea0960..de18480c25 100644
--- a/progs/demos/stex3d.c
+++ b/progs/demos/stex3d.c
@@ -36,6 +36,7 @@ static int tex_width=64, tex_height=64, tex_depth=64;
 static float angx=0, angy=0, angz=0;
 static int texgen = 2, animate = 1, smooth = 1, wireframe = 0;
 static int CurTexture = NOISE_TEXTURE, CurObject = TORUS;
+static GLenum Filter = GL_LINEAR;
 
 
 static void
@@ -298,8 +299,6 @@ create3Dtexture(void)
    printf("setting up 3d texture...\n");
 
    glBindTexture(GL_TEXTURE_3D, NOISE_TEXTURE);
-   glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-   glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
    glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_S, GL_REPEAT);
    glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_T, GL_REPEAT);
    glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_R, GL_REPEAT);
@@ -406,6 +405,9 @@ drawScene(void)
       glDisable(GL_TEXTURE_GEN_R);
    }
 
+   glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, Filter);
+   glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, Filter);
+
    glCallList(CurObject);
    glPopMatrix();
 
@@ -505,6 +507,12 @@ KeyHandler(unsigned char key, int x, int y)
       else
          CurObject = TORUS;
       break;
+   case 'f':
+      if (Filter == GL_LINEAR)
+         Filter = GL_NEAREST;
+      else
+         Filter = GL_LINEAR;
+      break;
    case 'i':
       if (CurTexture == NOISE_TEXTURE)
          CurTexture = GRADIENT_TEXTURE;
@@ -513,6 +521,7 @@ KeyHandler(unsigned char key, int x, int y)
       glBindTexture(GL_TEXTURE_3D, CurTexture);
       break;
    case 'a':
+   case ' ':
       animate = !animate;
       if (animate)
          glutIdleFunc(Idle);
@@ -559,8 +568,6 @@ create3Dgradient(void)
 
 
    glBindTexture(GL_TEXTURE_3D, GRADIENT_TEXTURE);
-   glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-   glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
    glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_S, GL_REPEAT);
    glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_T, GL_REPEAT);
    glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_R, GL_REPEAT);
diff --git a/progs/egl/Makefile b/progs/egl/Makefile
deleted file mode 100644
index 25de6e1f70..0000000000
--- a/progs/egl/Makefile
+++ /dev/null
@@ -1,70 +0,0 @@
-# progs/egl/Makefile
-
-TOP = ../..
-include $(TOP)/configs/current
-
-
-INCLUDE_DIRS = -I$(TOP)/include
-
-HEADERS = $(TOP)/include/GLES/egl.h
-LIB_DEP = $(TOP)/$(LIB_DIR)/libEGL.so
-
-LIBS = -L$(TOP)/$(LIB_DIR) -lEGL -lGL
-
-PROGRAMS = \
-	demo1 \
-	demo2 \
-	demo3 \
-	egltri \
-	eglinfo \
-	eglgears \
-	eglscreen \
-	peglgears \
-	xeglgears \
-	xeglthreads \
-	xegl_tri
-
-
-.c.o:
-	$(CC) -c $(INCLUDE_DIRS) $(CFLAGS) $< -o $@
-
-
-
-default: $(PROGRAMS)
-
-demo1: demo1.o $(HEADERS) $(LIB_DEP)
-	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) $(LIBDRM_LIB)
-
-demo2: demo2.o $(HEADERS) $(LIB_DEP)
-	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) $(LIBDRM_LIB)
-
-demo3: demo3.o $(HEADERS) $(LIB_DEP)
-	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) $(LIBDRM_LIB)
-
-egltri: egltri.o $(HEADERS) $(LIB_DEP)
-	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) $(LIBDRM_LIB)
-
-eglinfo: eglinfo.o $(HEADERS) $(LIB_DEP)
-	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS)
-
-eglgears: eglgears.o $(HEADERS) $(LIB_DEP)
-	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) $(LIBDRM_LIB) -lm
-
-eglscreen: eglscreen.o $(HEADERS) $(LIB_DEP)
-	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) $(LIBDRM_LIB)
-
-peglgears: peglgears.o $(HEADERS) $(LIB_DEP)
-	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) $(LIBDRM_LIB) -lm
-
-xeglgears: xeglgears.o $(HEADERS) $(LIB_DEP)
-	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) -lm -L$(libdir) -lX11
-
-xeglthreads: xeglthreads.o $(HEADERS) $(LIB_DEP)
-	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) -lm -L$(libdir) -lX11
-
-xegl_tri: xegl_tri.o $(HEADERS) $(LIB_DEP)
-	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) -lm -L$(libdir) -lX11
-
-clean:
-	-rm -f *.o *~
-	-rm -f $(PROGRAMS)
diff --git a/progs/egl/egltri.c b/progs/egl/egltri.c
deleted file mode 100644
index 006e06eb03..0000000000
--- a/progs/egl/egltri.c
+++ /dev/null
@@ -1,264 +0,0 @@
-/*
- * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
- * Copyright (C) 2008  Brian Paul   All Rights Reserved.
- * Copyright (C) 2008  Jakob Bornecrantz   All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/*
- * This program is based on eglgears and xegl_tri.
- * Remixed by Jakob Bornecrantz
- *
- * No command line options.
- * Program runs for 5 seconds then exits, outputing framerate to console
- */
-
-#define EGL_EGLEXT_PROTOTYPES
-
-#include <assert.h>
-#include <math.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <GL/gl.h>
-#include <EGL/egl.h>
-#include <EGL/eglext.h>
-
-#define MAX_CONFIGS 10
-#define MAX_MODES 100
-
-
-/* XXX this probably isn't very portable */
-
-#include <sys/time.h>
-#include <unistd.h>
-
-/* return current time (in seconds) */
-static double
-current_time(void)
-{
-   struct timeval tv;
-#ifdef __VMS
-   (void) gettimeofday(&tv, NULL );
-#else
-   struct timezone tz;
-   (void) gettimeofday(&tv, &tz);
-#endif
-   return (double) tv.tv_sec + tv.tv_usec / 1000000.0;
-}
-
-
-static GLfloat view_rotx = 0.0, view_roty = 0.0, view_rotz = 0.0;
-
-static void draw()
-{
-	static const GLfloat verts[3][2] = {
-		{ -1, -1 },
-		{  1, -1 },
-		{  0,  1 }
-	};
-	static const GLfloat colors[3][3] = {
-		{ 1, 0, 0 },
-		{ 0, 1, 0 },
-		{ 0, 0, 1 }
-	};
-
-	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
-	glPushMatrix();
-	glRotatef(view_rotx, 1, 0, 0);
-	glRotatef(view_roty, 0, 1, 0);
-	glRotatef(view_rotz, 0, 0, 1);
-
-	{
-		glVertexPointer(2, GL_FLOAT, 0, verts);
-		glColorPointer(3, GL_FLOAT, 0, colors);
-		glEnableClientState(GL_VERTEX_ARRAY);
-		glEnableClientState(GL_COLOR_ARRAY);
-
-		glDrawArrays(GL_TRIANGLES, 0, 3);
-
-		glDisableClientState(GL_VERTEX_ARRAY);
-		glDisableClientState(GL_COLOR_ARRAY);
-	}
-
-	glPopMatrix();
-}
-
-static void init()
-{
-	glClearColor(0.4, 0.4, 0.4, 0.0);
-}
-
-/* new window size or exposure */
-static void reshape(int width, int height)
-{
-	GLfloat ar = (GLfloat) width / (GLfloat) height;
-
-	glViewport(0, 0, (GLint) width, (GLint) height);
-
-	glMatrixMode(GL_PROJECTION);
-	glLoadIdentity();
-	glFrustum(-ar, ar, -1, 1, 5.0, 60.0);
-
-	glMatrixMode(GL_MODELVIEW);
-	glLoadIdentity();
-	glTranslatef(0.0, 0.0, -10.0);
-}
-
-static void run(EGLDisplay dpy, EGLSurface surf, int ttr)
-{
-	double st = current_time();
-	double ct = st;
-	int frames = 0;
-	GLfloat seconds, fps;
-
-	while (ct - st < ttr)
-	{
-		ct = current_time();
-
-		draw();
-
-		eglSwapBuffers(dpy, surf);
-
-		frames++;
-	}
-
-	seconds = ct - st;
-	fps = frames / seconds;
-	printf("%d frames in %3.1f seconds = %6.3f FPS\n", frames, seconds, fps);
-}
-
-int main(int argc, char *argv[])
-{
-	int maj, min;
-	EGLContext ctx;
-	EGLSurface screen_surf;
-	EGLConfig configs[MAX_CONFIGS];
-	EGLint numConfigs, i;
-	EGLBoolean b;
-	EGLDisplay d;
-	EGLint screenAttribs[10];
-	EGLModeMESA mode[MAX_MODES];
-	EGLScreenMESA screen;
-	EGLint count, chosenMode = 0;
-	GLboolean printInfo = GL_FALSE;
-	EGLint width = 0, height = 0;
-
-	/* parse cmd line args */
-	for (i = 1; i < argc; i++)
-	{
-		if (strcmp(argv[i], "-info") == 0)
-		{
-			printInfo = GL_TRUE;
-		}
-		else
-			printf("Warning: unknown parameter: %s\n", argv[i]);
-	}
-
-	/* DBR : Create EGL context/surface etc */
-	d = eglGetDisplay(EGL_DEFAULT_DISPLAY);
-	assert(d);
-
-	if (!eglInitialize(d, &maj, &min)) {
-		printf("egltri: eglInitialize failed\n");
-		exit(1);
-	}
-
-	printf("egltri: EGL version = %d.%d\n", maj, min);
-	printf("egltri: EGL_VENDOR = %s\n", eglQueryString(d, EGL_VENDOR));
-
-	/* XXX use ChooseConfig */
-	eglGetConfigs(d, configs, MAX_CONFIGS, &numConfigs);
-	eglGetScreensMESA(d, &screen, 1, &count);
-
-	if (!eglGetModesMESA(d, screen, mode, MAX_MODES, &count) || count == 0) {
-		printf("egltri: eglGetModesMESA failed!\n");
-		return 0;
-	}
-
-	/* Print list of modes, and find the one to use */
-	printf("egltri: Found %d modes:\n", count);
-	for (i = 0; i < count; i++) {
-		EGLint w, h;
-		eglGetModeAttribMESA(d, mode[i], EGL_WIDTH, &w);
-		eglGetModeAttribMESA(d, mode[i], EGL_HEIGHT, &h);
-		printf("%3d: %d x %d\n", i, w, h);
-		if (w > width && h > height) {
-			width = w;
-			height = h;
-			chosenMode = i;
-		}
-	}
-	printf("egltri: Using screen mode/size %d: %d x %d\n", chosenMode, width, height);
-
-	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");
-		return 0;
-	}
-
-	/* build up screenAttribs array */
-	i = 0;
-	screenAttribs[i++] = EGL_WIDTH;
-	screenAttribs[i++] = width;
-	screenAttribs[i++] = EGL_HEIGHT;
-	screenAttribs[i++] = height;
-	screenAttribs[i++] = EGL_NONE;
-
-	screen_surf = eglCreateScreenSurfaceMESA(d, configs[0], screenAttribs);
-	if (screen_surf == EGL_NO_SURFACE) {
-		printf("egltri: failed to create screen surface\n");
-		return 0;
-	}
-
-	b = eglShowScreenSurfaceMESA(d, screen, screen_surf, mode[chosenMode]);
-	if (!b) {
-		printf("egltri: show surface failed\n");
-		return 0;
-	}
-
-	b = eglMakeCurrent(d, screen_surf, screen_surf, ctx);
-	if (!b) {
-		printf("egltri: make current failed\n");
-		return 0;
-	}
-
-	if (printInfo)
-	{
-		printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
-		printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
-		printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
-		printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
-	}
-
-	init();
-	reshape(width, height);
-
-	glDrawBuffer( GL_BACK );
-
-	run(d, screen_surf, 5.0);
-
-	eglDestroySurface(d, screen_surf);
-	eglDestroyContext(d, ctx);
-	eglTerminate(d);
-
-	return 0;
-}
diff --git a/progs/egl/eglut/Makefile b/progs/egl/eglut/Makefile
new file mode 100644
index 0000000000..f5cafa7010
--- /dev/null
+++ b/progs/egl/eglut/Makefile
@@ -0,0 +1,35 @@
+# progs/egl/eglut
+
+TOP = ../../..
+include $(TOP)/configs/current
+
+INCLUDES = \
+	-I$(TOP)/include
+
+SOURCES = $(wildcard *.c)
+
+EGLUT_X11_OBJECTS = eglut.o eglut_x11.o
+EGLUT_SCREEN_OBJECTS = eglut.o eglut_screen.o
+
+default: depend libeglut-x11.a libeglut-screen.a
+
+libeglut-x11.a: $(EGLUT_X11_OBJECTS)
+	$(MKLIB) -o eglut-x11 -static $(EGLUT_X11_OBJECTS)
+
+libeglut-screen.a: $(EGLUT_SCREEN_OBJECTS)
+	$(MKLIB) -o eglut-screen -static $(EGLUT_SCREEN_OBJECTS)
+
+.c.o:
+	$(CC) -c -o $@ $< $(INCLUDES) $(DEFINES) $(CFLAGS)
+
+depend: $(SOURCES)
+	@rm -f depend
+	@touch depend
+	@$(MKDEP) $(MKDEP_OPTIONS) $(INCLUDES) $(SOURCES) \
+		> /dev/null 2>/dev/null
+
+clean:
+	rm -f *.o *.a
+	rm -f depend depend.bak
+
+sinclude depend
diff --git a/progs/egl/eglut/eglut.c b/progs/egl/eglut/eglut.c
new file mode 100644
index 0000000000..b9b5e6e5a8
--- /dev/null
+++ b/progs/egl/eglut/eglut.c
@@ -0,0 +1,346 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <sys/time.h>
+
+#include "EGL/egl.h"
+#include "EGL/eglext.h"
+
+#include "eglutint.h"
+
+static struct eglut_state _eglut_state = {
+   .api_mask = EGLUT_OPENGL_ES1_BIT,
+   .window_width = 300,
+   .window_height = 300,
+   .verbose = 0,
+   .num_windows = 0,
+};
+
+struct eglut_state *_eglut = &_eglut_state;
+
+void
+_eglutFatal(char *format, ...)
+{
+  va_list args;
+
+  va_start(args, format);
+
+  fprintf(stderr, "EGLUT: ");
+  vfprintf(stderr, format, args);
+  va_end(args);
+  putc('\n', stderr);
+
+  exit(1);
+}
+
+/* return current time (in milliseconds) */
+int
+_eglutNow(void)
+{
+   struct timeval tv;
+#ifdef __VMS
+   (void) gettimeofday(&tv, NULL );
+#else
+   struct timezone tz;
+   (void) gettimeofday(&tv, &tz);
+#endif
+   return tv.tv_sec * 1000 + tv.tv_usec / 1000;
+}
+
+static void
+_eglutDestroyWindow(struct eglut_window *win)
+{
+   if (_eglut->surface_type != EGL_PBUFFER_BIT &&
+       _eglut->surface_type != EGL_SCREEN_BIT_MESA)
+      eglDestroySurface(_eglut->dpy, win->surface);
+
+   _eglutNativeFiniWindow(win);
+
+   eglDestroyContext(_eglut->dpy, win->context);
+}
+
+static EGLConfig
+_eglutChooseConfig(void)
+{
+   EGLConfig config;
+   EGLint config_attribs[32];
+   EGLint renderable_type, num_configs, i;
+
+   i = 0;
+   config_attribs[i++] = EGL_RED_SIZE;
+   config_attribs[i++] = 1;
+   config_attribs[i++] = EGL_GREEN_SIZE;
+   config_attribs[i++] = 1;
+   config_attribs[i++] = EGL_BLUE_SIZE;
+   config_attribs[i++] = 1;
+   config_attribs[i++] = EGL_DEPTH_SIZE;
+   config_attribs[i++] = 1;
+
+   config_attribs[i++] = EGL_SURFACE_TYPE;
+   config_attribs[i++] = _eglut->surface_type;
+
+   config_attribs[i++] = EGL_RENDERABLE_TYPE;
+   renderable_type = 0x0;
+   if (_eglut->api_mask & EGLUT_OPENGL_BIT)
+      renderable_type |= EGL_OPENGL_BIT;
+   if (_eglut->api_mask & (EGLUT_OPENGL_ES1_BIT | EGLUT_OPENGL_ES2_BIT))
+      renderable_type |= EGL_OPENGL_ES_BIT;
+   if (_eglut->api_mask & EGLUT_OPENVG_BIT)
+      renderable_type |= EGL_OPENVG_BIT;
+   config_attribs[i++] = renderable_type;
+
+   config_attribs[i] = EGL_NONE;
+
+   if (!eglChooseConfig(_eglut->dpy,
+            config_attribs, &config, 1, &num_configs) || !num_configs)
+      _eglutFatal("failed to choose a config");
+
+   return config;
+}
+
+static struct eglut_window *
+_eglutCreateWindow(const char *title, int x, int y, int w, int h)
+{
+   struct eglut_window *win;
+   EGLint context_attribs[4];
+   EGLint api, i;
+
+   win = calloc(1, sizeof(*win));
+   if (!win)
+      _eglutFatal("failed to allocate window");
+
+   win->config = _eglutChooseConfig();
+
+   i = 0;
+   context_attribs[i] = EGL_NONE;
+
+   /* multiple APIs? */
+
+   api = EGL_OPENGL_ES_API;
+   if (_eglut->api_mask & EGLUT_OPENGL_BIT) {
+      api = EGL_OPENGL_API;
+   }
+   else if (_eglut->api_mask & EGLUT_OPENVG_BIT) {
+      api = EGL_OPENVG_API;
+   }
+   else if (_eglut->api_mask & EGLUT_OPENGL_ES2_BIT) {
+      context_attribs[i++] = EGL_CONTEXT_CLIENT_VERSION;
+      context_attribs[i++] = 2;
+   }
+
+   context_attribs[i] = EGL_NONE;
+
+   eglBindAPI(api);
+   win->context = eglCreateContext(_eglut->dpy,
+         win->config, EGL_NO_CONTEXT, context_attribs);
+   if (!win->context)
+      _eglutFatal("failed to create context");
+
+   _eglutNativeInitWindow(win, title, x, y, w, h);
+   switch (_eglut->surface_type) {
+   case EGL_WINDOW_BIT:
+      win->surface = eglCreateWindowSurface(_eglut->dpy,
+            win->config, win->native.u.window, NULL);
+      break;
+   case EGL_PIXMAP_BIT:
+      win->surface = eglCreatePixmapSurface(_eglut->dpy,
+            win->config, win->native.u.pixmap, NULL);
+      break;
+   case EGL_PBUFFER_BIT:
+   case EGL_SCREEN_BIT_MESA:
+      win->surface = win->native.u.surface;
+      break;
+   default:
+      break;
+   }
+   if (win->surface == EGL_NO_SURFACE)
+      _eglutFatal("failed to create surface");
+
+   return win;
+}
+
+void
+eglutInitAPIMask(int mask)
+{
+   _eglut->api_mask = mask;
+}
+
+void
+eglutInitWindowSize(int width, int height)
+{
+   _eglut->window_width = width;
+   _eglut->window_height = height;
+}
+
+void
+eglutInit(int argc, char **argv)
+{
+   int i;
+
+   for (i = 1; i < argc; i++) {
+      if (strcmp(argv[i], "-display") == 0)
+         _eglut->display_name = argv[++i];
+      else if (strcmp(argv[i], "-info") == 0) {
+         _eglut->verbose = 1;
+      }
+   }
+
+   _eglutNativeInitDisplay();
+   _eglut->dpy = eglGetDisplay(_eglut->native_dpy);
+
+   if (!eglInitialize(_eglut->dpy, &_eglut->major, &_eglut->minor))
+      _eglutFatal("failed to initialize EGL display");
+
+   _eglut->init_time = _eglutNow();
+
+   printf("EGL_VERSION = %s\n", eglQueryString(_eglut->dpy, EGL_VERSION));
+   if (_eglut->verbose) {
+      printf("EGL_VENDOR = %s\n", eglQueryString(_eglut->dpy, EGL_VENDOR));
+      printf("EGL_EXTENSIONS = %s\n",
+            eglQueryString(_eglut->dpy, EGL_EXTENSIONS));
+      printf("EGL_CLIENT_APIS = %s\n",
+            eglQueryString(_eglut->dpy, EGL_CLIENT_APIS));
+   }
+}
+
+int
+eglutGet(int state)
+{
+   int val;
+
+   switch (state) {
+   case EGLUT_ELAPSED_TIME:
+      val = _eglutNow() - _eglut->init_time;
+      break;
+   default:
+      val = -1;
+      break;
+   }
+
+   return val;
+}
+
+void
+eglutIdleFunc(EGLUTidleCB func)
+{
+   _eglut->idle_cb = func;
+}
+
+void
+eglutPostRedisplay(void)
+{
+   _eglut->redisplay = 1;
+}
+
+void
+eglutMainLoop(void)
+{
+   struct eglut_window *win = _eglut->current;
+
+   if (!win)
+      _eglutFatal("no window is created\n");
+
+   if (win->reshape_cb)
+      win->reshape_cb(win->native.width, win->native.height);
+
+   _eglutNativeEventLoop();
+}
+
+static void
+_eglutFini(void)
+{
+   eglTerminate(_eglut->dpy);
+   _eglutNativeFiniDisplay();
+}
+
+void
+eglutDestroyWindow(int win)
+{
+   struct eglut_window *window = _eglut->current;
+
+   if (window->index != win)
+      return;
+
+   /* XXX it causes some bug in st/egl KMS backend */
+   if ( _eglut->surface_type != EGL_SCREEN_BIT_MESA)
+      eglMakeCurrent(_eglut->dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+
+   _eglutDestroyWindow(_eglut->current);
+}
+
+static void
+_eglutDefaultKeyboard(unsigned char key)
+{
+   if (key == 27) {
+      if (_eglut->current)
+         eglutDestroyWindow(_eglut->current->index);
+      _eglutFini();
+
+      exit(0);
+   }
+}
+
+int
+eglutCreateWindow(const char *title)
+{
+   struct eglut_window *win;
+
+   win = _eglutCreateWindow(title, 0, 0,
+         _eglut->window_width, _eglut->window_height);
+
+   win->index = _eglut->num_windows++;
+   win->reshape_cb = NULL;
+   win->display_cb = NULL;
+   win->keyboard_cb = _eglutDefaultKeyboard;
+   win->special_cb = NULL;
+
+   if (!eglMakeCurrent(_eglut->dpy, win->surface, win->surface, win->context))
+      _eglutFatal("failed to make window current");
+   _eglut->current = win;
+
+   return win->index;
+}
+
+int
+eglutGetWindowWidth(void)
+{
+   struct eglut_window *win = _eglut->current;
+   return win->native.width;
+}
+
+int
+eglutGetWindowHeight(void)
+{
+   struct eglut_window *win = _eglut->current;
+   return win->native.height;
+}
+
+void
+eglutDisplayFunc(EGLUTdisplayCB func)
+{
+   struct eglut_window *win = _eglut->current;
+   win->display_cb = func;
+
+}
+
+void
+eglutReshapeFunc(EGLUTreshapeCB func)
+{
+   struct eglut_window *win = _eglut->current;
+   win->reshape_cb = func;
+}
+
+void
+eglutKeyboardFunc(EGLUTkeyboardCB func)
+{
+   struct eglut_window *win = _eglut->current;
+   win->keyboard_cb = func;
+}
+
+void
+eglutSpecialFunc(EGLUTspecialCB func)
+{
+   struct eglut_window *win = _eglut->current;
+   win->special_cb = func;
+}
diff --git a/progs/egl/eglut/eglut.h b/progs/egl/eglut/eglut.h
new file mode 100644
index 0000000000..07df4ba9f7
--- /dev/null
+++ b/progs/egl/eglut/eglut.h
@@ -0,0 +1,68 @@
+#ifndef EGLUT_H
+#define EGLUT_H
+
+/* used by eglutInitAPIMask */
+enum {
+   EGLUT_OPENGL_BIT     = 0x1,
+   EGLUT_OPENGL_ES1_BIT = 0x2,
+   EGLUT_OPENGL_ES2_BIT = 0x4,
+   EGLUT_OPENVG_BIT     = 0x8
+};
+
+/* used by EGLUTspecialCB */
+enum {
+   /* function keys */
+   EGLUT_KEY_F1,
+   EGLUT_KEY_F2,
+   EGLUT_KEY_F3,
+   EGLUT_KEY_F4,
+   EGLUT_KEY_F5,
+   EGLUT_KEY_F6,
+   EGLUT_KEY_F7,
+   EGLUT_KEY_F8,
+   EGLUT_KEY_F9,
+   EGLUT_KEY_F10,
+   EGLUT_KEY_F11,
+   EGLUT_KEY_F12,
+
+   /* directional keys */
+   EGLUT_KEY_LEFT,
+   EGLUT_KEY_UP,
+   EGLUT_KEY_RIGHT,
+   EGLUT_KEY_DOWN,
+};
+
+/* used by eglutGet */
+enum {
+   EGLUT_ELAPSED_TIME
+};
+
+typedef void (*EGLUTidleCB)(void);
+typedef void (*EGLUTreshapeCB)(int, int);
+typedef void (*EGLUTdisplayCB)(void);
+typedef void (*EGLUTkeyboardCB)(unsigned char);
+typedef void (*EGLUTspecialCB)(int);
+
+void eglutInitAPIMask(int mask);
+void eglutInitWindowSize(int width, int height);
+void eglutInit(int argc, char **argv);
+
+int eglutGet(int state);
+
+void eglutIdleFunc(EGLUTidleCB func);
+void eglutPostRedisplay(void);
+
+void eglutMainLoop(void);
+
+int eglutCreateWindow(const char *title);
+void eglutDestroyWindow(int win);
+
+int eglutGetWindowWidth(void);
+int eglutGetWindowHeight(void);
+
+void eglutDisplayFunc(EGLUTdisplayCB func);
+void eglutReshapeFunc(EGLUTreshapeCB func);
+void eglutKeyboardFunc(EGLUTkeyboardCB func);
+void eglutSpecialFunc(EGLUTspecialCB func);
+
+#endif /* EGLUT_H */
diff --git a/progs/egl/eglut/eglut_screen.c b/progs/egl/eglut/eglut_screen.c
new file mode 100644
index 0000000000..50549e4bcf
--- /dev/null
+++ b/progs/egl/eglut/eglut_screen.c
@@ -0,0 +1,154 @@
+#include <stdio.h>
+#include <string.h>
+#include <sys/time.h>
+
+#define EGL_EGLEXT_PROTOTYPES
+#include "EGL/egl.h"
+#include "EGL/eglext.h"
+
+#include "eglutint.h"
+
+#define MAX_MODES 100
+
+static EGLScreenMESA kms_screen;
+static EGLModeMESA kms_mode;
+static EGLint kms_width, kms_height;
+
+void
+_eglutNativeInitDisplay(void)
+{
+   _eglut->native_dpy = EGL_DEFAULT_DISPLAY;
+   _eglut->surface_type = EGL_SCREEN_BIT_MESA;
+}
+
+void
+_eglutNativeFiniDisplay(void)
+{
+   kms_screen = 0;
+   kms_mode = 0;
+   kms_width = 0;
+   kms_height = 0;
+}
+
+static void
+init_kms(void)
+{
+   EGLModeMESA modes[MAX_MODES];
+   EGLint num_screens, num_modes;
+   EGLint width, height, best_mode;
+   EGLint i;
+
+   if (!eglGetScreensMESA(_eglut->dpy, &kms_screen, 1, &num_screens) ||
+         !num_screens)
+      _eglutFatal("eglGetScreensMESA failed\n");
+
+   if (!eglGetModesMESA(_eglut->dpy, kms_screen,
+            modes, MAX_MODES, &num_modes) || !num_modes)
+      _eglutFatal("eglGetModesMESA failed!\n");
+
+   printf("Found %d modes:\n", num_modes);
+
+   best_mode = 0;
+   width = 0;
+   height = 0;
+   for (i = 0; i < num_modes; i++) {
+      EGLint w, h;
+      eglGetModeAttribMESA(_eglut->dpy, modes[i], EGL_WIDTH, &w);
+      eglGetModeAttribMESA(_eglut->dpy, modes[i], EGL_HEIGHT, &h);
+      printf("%3d: %d x %d\n", i, w, h);
+      if (w > width && h > height) {
+         width = w;
+         height = h;
+         best_mode = i;
+      }
+   }
+
+   printf("Will use screen size: %d x %d\n", width, height);
+
+   kms_mode = modes[best_mode];
+   kms_width = width;
+   kms_height = height;
+}
+
+void
+_eglutNativeInitWindow(struct eglut_window *win, const char *title,
+                       int x, int y, int w, int h)
+{
+   EGLint surf_attribs[16];
+   EGLint i;
+   const char *exts;
+
+   exts = eglQueryString(_eglut->dpy, EGL_EXTENSIONS);
+   if (!exts || !strstr(exts, "EGL_MESA_screen_surface"))
+      _eglutFatal("EGL_MESA_screen_surface is not supported\n");
+
+   init_kms();
+
+   i = 0;
+   surf_attribs[i++] = EGL_WIDTH;
+   surf_attribs[i++] = kms_width;
+   surf_attribs[i++] = EGL_HEIGHT;
+   surf_attribs[i++] = kms_height;
+   surf_attribs[i++] = EGL_NONE;
+
+   /* create surface */
+   win->native.u.surface = eglCreateScreenSurfaceMESA(_eglut->dpy,
+         win->config, surf_attribs);
+   if (win->native.u.surface == EGL_NO_SURFACE)
+      _eglutFatal("eglCreateScreenSurfaceMESA failed\n");
+
+   if (!eglShowScreenSurfaceMESA(_eglut->dpy, kms_screen,
+            win->native.u.surface, kms_mode))
+      _eglutFatal("eglShowScreenSurfaceMESA failed\n");
+
+   win->native.width = kms_width;
+   win->native.height = kms_height;
+}
+
+void
+_eglutNativeFiniWindow(struct eglut_window *win)
+{
+   eglShowScreenSurfaceMESA(_eglut->dpy,
+         kms_screen, EGL_NO_SURFACE, 0);
+   eglDestroySurface(_eglut->dpy, win->native.u.surface);
+}
+
+void
+_eglutNativeEventLoop(void)
+{
+   int start = _eglutNow();
+   int frames = 0;
+
+   _eglut->redisplay = 1;
+
+   while (1) {
+      struct eglut_window *win = _eglut->current;
+      int now = _eglutNow();
+
+      if (now - start > 5000) {
+         double elapsed = (double) (now - start) / 1000.0;
+
+         printf("%d frames in %3.1f seconds = %6.3f FPS\n",
+               frames, elapsed, frames / elapsed);
+
+         start = now;
+         frames = 0;
+
+         /* send escape */
+         if (win->keyboard_cb)
+            win->keyboard_cb(27);
+      }
+
+      if (_eglut->idle_cb)
+         _eglut->idle_cb();
+
+      if (_eglut->redisplay) {
+         _eglut->redisplay = 0;
+
+         if (win->display_cb)
+            win->display_cb();
+         eglSwapBuffers(_eglut->dpy, win->surface);
+         frames++;
+      }
+   }
+}
diff --git a/progs/egl/eglut/eglut_x11.c b/progs/egl/eglut/eglut_x11.c
new file mode 100644
index 0000000000..f3b2280374
--- /dev/null
+++ b/progs/egl/eglut/eglut_x11.c
@@ -0,0 +1,220 @@
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/keysym.h>
+
+#include "eglutint.h"
+
+void
+_eglutNativeInitDisplay(void)
+{
+   _eglut->native_dpy = XOpenDisplay(_eglut->display_name);
+   if (!_eglut->native_dpy)
+      _eglutFatal("failed to initialize native display");
+
+   _eglut->surface_type = EGL_WINDOW_BIT;
+}
+
+void
+_eglutNativeFiniDisplay(void)
+{
+   XCloseDisplay(_eglut->native_dpy);
+}
+
+void
+_eglutNativeInitWindow(struct eglut_window *win, const char *title,
+                       int x, int y, int w, int h)
+{
+   XVisualInfo *visInfo, visTemplate;
+   int num_visuals;
+   Window root, xwin;
+   XSetWindowAttributes attr;
+   unsigned long mask;
+   EGLint vid;
+
+   if (!eglGetConfigAttrib(_eglut->dpy,
+            win->config, EGL_NATIVE_VISUAL_ID, &vid))
+      _eglutFatal("failed to get visual id");
+
+   /* The X window visual must match the EGL config */
+   visTemplate.visualid = vid;
+   visInfo = XGetVisualInfo(_eglut->native_dpy,
+         VisualIDMask, &visTemplate, &num_visuals);
+   if (!visInfo)
+      _eglutFatal("failed to get an visual of id 0x%x", vid);
+
+   root = RootWindow(_eglut->native_dpy, DefaultScreen(_eglut->native_dpy));
+
+   /* window attributes */
+   attr.background_pixel = 0;
+   attr.border_pixel = 0;
+   attr.colormap = XCreateColormap(_eglut->native_dpy,
+         root, visInfo->visual, AllocNone);
+   attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
+   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+   xwin = XCreateWindow(_eglut->native_dpy, root, x, y, w, h,
+         0, visInfo->depth, InputOutput, visInfo->visual, mask, &attr);
+   if (!xwin)
+      _eglutFatal("failed to create a window");
+
+   XFree(visInfo);
+
+   /* set hints and properties */
+   {
+      XSizeHints sizehints;
+      sizehints.x = x;
+      sizehints.y = y;
+      sizehints.width  = w;
+      sizehints.height = h;
+      sizehints.flags = USSize | USPosition;
+      XSetNormalHints(_eglut->native_dpy, xwin, &sizehints);
+      XSetStandardProperties(_eglut->native_dpy, xwin,
+            title, title, None, (char **) NULL, 0, &sizehints);
+   }
+
+   XMapWindow(_eglut->native_dpy, xwin);
+
+   win->native.u.window = xwin;
+   win->native.width = w;
+   win->native.height = h;
+}
+
+void
+_eglutNativeFiniWindow(struct eglut_window *win)
+{
+   XDestroyWindow(_eglut->native_dpy, win->native.u.window);
+}
+
+static int
+lookup_keysym(KeySym sym)
+{
+   int special;
+
+   switch (sym) {
+   case XK_F1:
+      special = EGLUT_KEY_F1;
+      break;
+   case XK_F2:
+      special = EGLUT_KEY_F2;
+      break;
+   case XK_F3:
+      special = EGLUT_KEY_F3;
+      break;
+   case XK_F4:
+      special = EGLUT_KEY_F4;
+      break;
+   case XK_F5:
+      special = EGLUT_KEY_F5;
+      break;
+   case XK_F6:
+      special = EGLUT_KEY_F6;
+      break;
+   case XK_F7:
+      special = EGLUT_KEY_F7;
+      break;
+   case XK_F8:
+      special = EGLUT_KEY_F8;
+      break;
+   case XK_F9:
+      special = EGLUT_KEY_F9;
+      break;
+   case XK_F10:
+      special = EGLUT_KEY_F10;
+      break;
+   case XK_F11:
+      special = EGLUT_KEY_F11;
+      break;
+   case XK_F12:
+      special = EGLUT_KEY_F12;
+      break;
+   case XK_KP_Left:
+   case XK_Left:
+      special = EGLUT_KEY_LEFT;
+      break;
+   case XK_KP_Up:
+   case XK_Up:
+      special = EGLUT_KEY_UP;
+      break;
+   case XK_KP_Right:
+   case XK_Right:
+      special = EGLUT_KEY_RIGHT;
+      break;
+   case XK_KP_Down:
+   case XK_Down:
+      special = EGLUT_KEY_DOWN;
+      break;
+   default:
+      special = -1;
+      break;
+   }
+
+   return special;
+}
+
+static void
+next_event(struct eglut_window *win)
+{
+   int redraw = 0;
+   XEvent event;
+
+   if (!XPending(_eglut->native_dpy)) {
+      if (_eglut->idle_cb)
+         _eglut->idle_cb();
+      return;
+   }
+
+   XNextEvent(_eglut->native_dpy, &event);
+
+   switch (event.type) {
+   case Expose:
+      redraw = 1;
+      break;
+   case ConfigureNotify:
+      win->native.width = event.xconfigure.width;
+      win->native.height = event.xconfigure.height;
+      if (win->reshape_cb)
+         win->reshape_cb(win->native.width, win->native.height);
+      break;
+   case KeyPress:
+      {
+         char buffer[1];
+         KeySym sym;
+         int r;
+
+         r = XLookupString(&event.xkey,
+               buffer, sizeof(buffer), &sym, NULL);
+         if (r && win->keyboard_cb) {
+            win->keyboard_cb(buffer[0]);
+         }
+         else if (!r && win->special_cb) {
+            r = lookup_keysym(sym);
+            if (r >= 0)
+               win->special_cb(r);
+         }
+      }
+      redraw = 1;
+      break;
+   default:
+      ; /*no-op*/
+   }
+
+   _eglut->redisplay = redraw;
+}
+
+void
+_eglutNativeEventLoop(void)
+{
+   while (1) {
+      struct eglut_window *win = _eglut->current;
+
+      next_event(win);
+
+      if (_eglut->redisplay) {
+         _eglut->redisplay = 0;
+
+         if (win->display_cb)
+            win->display_cb();
+         eglSwapBuffers(_eglut->dpy, win->surface);
+      }
+   }
+}
diff --git a/progs/egl/eglut/eglutint.h b/progs/egl/eglut/eglutint.h
new file mode 100644
index 0000000000..54d329f328
--- /dev/null
+++ b/progs/egl/eglut/eglutint.h
@@ -0,0 +1,78 @@
+#ifndef _EGLUTINT_H_
+#define _EGLUTINT_H_
+
+#include "EGL/egl.h"
+#include "eglut.h"
+
+struct eglut_window {
+   EGLConfig config;
+   EGLContext context;
+
+   /* initialized by native display */
+   struct {
+      union {
+         EGLNativeWindowType window;
+         EGLNativePixmapType pixmap;
+         EGLSurface surface; /* pbuffer or screen surface */
+      } u;
+      int width, height;
+   } native;
+
+   EGLSurface surface;
+
+   int index;
+
+   EGLUTreshapeCB reshape_cb;
+   EGLUTdisplayCB display_cb;
+   EGLUTkeyboardCB keyboard_cb;
+   EGLUTspecialCB special_cb;
+};
+
+struct eglut_state {
+   int api_mask;
+   int window_width, window_height;
+   const char *display_name;
+   int verbose;
+   int init_time;
+
+   EGLUTidleCB idle_cb;
+
+   int num_windows;
+
+   /* initialized by native display */
+   EGLNativeDisplayType native_dpy;
+   EGLint surface_type;
+
+   EGLDisplay dpy;
+   EGLint major, minor;
+
+   struct eglut_window *current;
+
+   int redisplay;
+};
+
+extern struct eglut_state *_eglut;
+
+void
+_eglutFatal(char *format, ...);
+
+int
+_eglutNow(void);
+
+void
+_eglutNativeInitDisplay(void);
+
+void
+_eglutNativeFiniDisplay(void);
+
+void
+_eglutNativeInitWindow(struct eglut_window *win, const char *title,
+                       int x, int y, int w, int h);
+
+void
+_eglutNativeFiniWindow(struct eglut_window *win);
+
+void
+_eglutNativeEventLoop(void);
+
+#endif /* _EGLUTINT_H_ */
diff --git a/progs/egl/.gitignore b/progs/egl/opengl/.gitignore
index 7a13d4686a..49c3a511f3 100644
--- a/progs/egl/.gitignore
+++ b/progs/egl/opengl/.gitignore
@@ -1,12 +1,13 @@
 demo1
 demo2
 demo3
-eglgears
+eglgears_x11
+eglgears_screen
 eglinfo
 eglscreen
-egltri
+egltri_x11
+egltri_screen
 peglgears
 xeglbindtex
 xeglgears
 xeglthreads
-xegl_tri
diff --git a/progs/egl/opengl/Makefile b/progs/egl/opengl/Makefile
new file mode 100644
index 0000000000..9a91df9906
--- /dev/null
+++ b/progs/egl/opengl/Makefile
@@ -0,0 +1,83 @@
+# progs/egl/Makefile
+
+TOP = ../../..
+include $(TOP)/configs/current
+
+
+INCLUDE_DIRS = -I$(TOP)/include
+
+HEADERS = $(TOP)/include/GLES/egl.h
+LIB_DEP = $(TOP)/$(LIB_DIR)/libEGL.so
+
+LIBS = -L$(TOP)/$(LIB_DIR) -lEGL -lGL -lm
+
+EGLUT_DIR = $(TOP)/progs/egl/eglut
+
+EGLUT_DEMOS = \
+	eglgears \
+	egltri
+
+EGLUT_X11_DEMOS := $(addsuffix _x11,$(EGLUT_DEMOS))
+EGLUT_SCREEN_DEMOS := $(addsuffix _screen,$(EGLUT_DEMOS))
+
+PROGRAMS = \
+	demo1 \
+	demo2 \
+	demo3 \
+	eglinfo \
+	eglscreen \
+	peglgears \
+	xeglgears \
+	xeglthreads
+
+
+.c.o:
+	$(CC) -c $(INCLUDE_DIRS) -I$(EGLUT_DIR) $(CFLAGS) $< -o $@
+
+
+
+default: $(PROGRAMS) $(EGLUT_X11_DEMOS) $(EGLUT_SCREEN_DEMOS)
+
+demo1: demo1.o $(HEADERS) $(LIB_DEP)
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) $(LIBDRM_LIB)
+
+demo2: demo2.o $(HEADERS) $(LIB_DEP)
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) $(LIBDRM_LIB)
+
+demo3: demo3.o $(HEADERS) $(LIB_DEP)
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) $(LIBDRM_LIB)
+
+eglinfo: eglinfo.o $(HEADERS) $(LIB_DEP)
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS)
+
+eglscreen: eglscreen.o $(HEADERS) $(LIB_DEP)
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) $(LIBDRM_LIB)
+
+peglgears: peglgears.o $(HEADERS) $(LIB_DEP)
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) $(LIBDRM_LIB) -lm
+
+xeglgears: xeglgears.o $(HEADERS) $(LIB_DEP)
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) -lm $(X11_LIBS)
+
+xeglthreads: xeglthreads.o $(HEADERS) $(LIB_DEP)
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS) -lpthread -lm $(X11_LIBS)
+
+$(EGLUT_DIR)/libeglut-x11.a $(EGLUT_DIR)/libeglut-screen.a:
+	@$(MAKE) -C $(EGLUT_DIR)
+
+# define the rules for EGLUT demos
+define eglut-demo-rule
+$(1)_x11 $(1)_screen: $(1)_%: $(1).o $(EGLUT_DIR)/libeglut-%.a $(LIB_DEP)
+endef
+$(foreach demo, $(EGLUT_DEMOS), $(eval $(call eglut-demo-rule,$(demo))))
+
+# build EGLUT demos
+$(EGLUT_X11_DEMOS):
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< -L$(EGLUT_DIR) -leglut-$* $(LIBS) -lX11
+$(EGLUT_SCREEN_DEMOS):                                                
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< -L$(EGLUT_DIR) -leglut-$* $(LIBS)
+
+clean:
+	-rm -f *.o *~
+	-rm -f $(PROGRAMS) $(EGLUT_X11_DEMOS) $(EGLUT_SCREEN_DEMOS)
+	@$(MAKE) -C $(EGLUT_DIR) clean
diff --git a/progs/egl/demo1.c b/progs/egl/opengl/demo1.c
index d892734ee5..d892734ee5 100644
--- a/progs/egl/demo1.c
+++ b/progs/egl/opengl/demo1.c
diff --git a/progs/egl/demo2.c b/progs/egl/opengl/demo2.c
index b9e92f62ac..b9e92f62ac 100644
--- a/progs/egl/demo2.c
+++ b/progs/egl/opengl/demo2.c
diff --git a/progs/egl/demo3.c b/progs/egl/opengl/demo3.c
index 64b9ee652c..64b9ee652c 100644
--- a/progs/egl/demo3.c
+++ b/progs/egl/opengl/demo3.c
diff --git a/progs/egl/eglgears.c b/progs/egl/opengl/eglgears.c
index 63490953ae..28da9c0ac7 100644
--- a/progs/egl/eglgears.c
+++ b/progs/egl/opengl/eglgears.c
@@ -27,78 +27,16 @@
  * Program runs for 5 seconds then exits, outputing framerate to console
  */
 
-#define EGL_EGLEXT_PROTOTYPES
-
-#include <assert.h>
 #include <math.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
 #include <GL/gl.h>
 #include <EGL/egl.h>
-#include <EGL/eglext.h>
-
-#define MAX_CONFIGS 10
-#define MAX_MODES 100
-
-#define BENCHMARK
-
-#ifdef BENCHMARK
-
-/* XXX this probably isn't very portable */
-
-#include <sys/time.h>
-#include <unistd.h>
-
-/* return current time (in seconds) */
-static double
-current_time(void)
-{
-   struct timeval tv;
-#ifdef __VMS
-   (void) gettimeofday(&tv, NULL );
-#else
-   struct timezone tz;
-   (void) gettimeofday(&tv, &tz);
-#endif
-   return (double) tv.tv_sec + tv.tv_usec / 1000000.0;
-}
-
-#else /*BENCHMARK*/
-
-/* dummy */
-static double
-current_time(void)
-{
-   /* update this function for other platforms! */
-   static double t = 0.0;
-   static int warn = 1;
-   if (warn) {
-      fprintf(stderr, "Warning: current_time() not implemented!!\n");
-      warn = 0;
-   }
-   return t += 1.0;
-}
-
-#endif /*BENCHMARK*/
-
-
-#ifndef M_PI
-#define M_PI 3.14159265
-#endif
 
+#include "eglut.h"
 
 static GLfloat view_rotx = 20.0, view_roty = 30.0, view_rotz = 0.0;
 static GLint gear1, gear2, gear3;
 static GLfloat angle = 0.0;
 
-#if 0
-static GLfloat eyesep = 5.0;		/* Eye separation. */
-static GLfloat fix_point = 40.0;	/* Fixation point distance.  */
-static GLfloat left, right, asp;	/* Stereo frustum params.  */
-#endif
-
-
 /*
  *
  *  Draw a gear wheel.  You'll probably want to call this function when
@@ -270,6 +208,22 @@ draw(void)
 }
 
 
+static void
+idle(void)
+{
+  static double t0 = -1.;
+  double dt, t = eglutGet(EGLUT_ELAPSED_TIME) / 1000.0;
+  if (t0 < 0.0)
+    t0 = t;
+  dt = t - t0;
+  t0 = t;
+
+  angle += 70.0 * dt;  /* 70 degrees per second */
+  angle = fmod(angle, 360.0); /* prevents eventual overflow */
+
+  eglutPostRedisplay();
+}
+
 /* new window size or exposure */
 static void
 reshape(int width, int height)
@@ -325,158 +279,23 @@ init(void)
    glEnable(GL_NORMALIZE);
 }
 
-
-
-
-static void run_gears(EGLDisplay dpy, EGLSurface surf, int ttr)
-{
-	double st = current_time();
-	double ct = st;
-	int frames = 0;
-	GLfloat seconds, fps;
-
-	while (ct - st < ttr)
-	{
-		double tt = current_time();
-		double dt = tt - ct;
-		ct = tt;
-		
-		/* advance rotation for next frame */
-		angle += 70.0 * dt;  /* 70 degrees per second */
-		if (angle > 3600.0)
-			angle -= 3600.0;
-		
-		draw();
-		
-		eglSwapBuffers(dpy, surf);
-	
-		
-		frames++;
-	}
-	
-	seconds = ct - st;
-	fps = frames / seconds;
-	printf("%d frames in %3.1f seconds = %6.3f FPS\n", frames, seconds, fps);
-	
-}
-
-
 int
 main(int argc, char *argv[])
 {
-	int maj, min;
-	EGLContext ctx;
-	EGLSurface screen_surf;
-	EGLConfig configs[MAX_CONFIGS];
-	EGLint numConfigs, i;
-	EGLBoolean b;
-	EGLDisplay d;
-	EGLint screenAttribs[10];
-	EGLModeMESA mode[MAX_MODES];
-	EGLScreenMESA screen;
-	EGLint count;
-	EGLint chosenMode = 0;
-	GLboolean printInfo = GL_FALSE;
-	EGLint width = 0, height = 0;
-	
-        /* parse cmd line args */
-	for (i = 1; i < argc; i++)
-	{
-		if (strcmp(argv[i], "-info") == 0)
-		{
-			printInfo = GL_TRUE;
-		}
-		else
-			printf("Warning: unknown parameter: %s\n", argv[i]);
-	}
-	
-	/* DBR : Create EGL context/surface etc */
-	d = eglGetDisplay(EGL_DEFAULT_DISPLAY);
-	assert(d);
-
-	if (!eglInitialize(d, &maj, &min)) {
-		printf("eglgears: eglInitialize failed\n");
-		exit(1);
-	}
-	
-	printf("eglgears: EGL version = %d.%d\n", maj, min);
-	printf("eglgears: EGL_VENDOR = %s\n", eglQueryString(d, EGL_VENDOR));
-	
-        /* XXX use ChooseConfig */
-	eglGetConfigs(d, configs, MAX_CONFIGS, &numConfigs);
-	eglGetScreensMESA(d, &screen, 1, &count);
-
-	if (!eglGetModesMESA(d, screen, mode, MAX_MODES, &count) || count == 0) {
-		printf("eglgears: eglGetModesMESA failed!\n");
-		return 0;
-	}
-
-        /* Print list of modes, and find the one to use */
-	printf("eglgears: Found %d modes:\n", count);
-	for (i = 0; i < count; i++) {
-		EGLint w, h;
-		eglGetModeAttribMESA(d, mode[i], EGL_WIDTH, &w);
-		eglGetModeAttribMESA(d, mode[i], EGL_HEIGHT, &h);
-		printf("%3d: %d x %d\n", i, w, h);
-		if (w > width && h > height) {
-			width = w;
-			height = h;
-                        chosenMode = i;
-		}
-	}
-	printf("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");
-		return 0;
-	}
-	
-	/* build up screenAttribs array */
-	i = 0;
-	screenAttribs[i++] = EGL_WIDTH;
-	screenAttribs[i++] = width;
-	screenAttribs[i++] = EGL_HEIGHT;
-	screenAttribs[i++] = height;
-	screenAttribs[i++] = EGL_NONE;
-
-	screen_surf = eglCreateScreenSurfaceMESA(d, configs[0], screenAttribs);
-	if (screen_surf == EGL_NO_SURFACE) {
-		printf("eglgears: failed to create screen surface\n");
-		return 0;
-	}
-	
-	b = eglShowScreenSurfaceMESA(d, screen, screen_surf, mode[chosenMode]);
-	if (!b) {
-		printf("eglgears: show surface failed\n");
-		return 0;
-	}
-
-	b = eglMakeCurrent(d, screen_surf, screen_surf, ctx);
-	if (!b) {
-		printf("eglgears: make current failed\n");
-		return 0;
-	}
-	
-	if (printInfo)
-	{
-		printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
-		printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
-		printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
-		printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
-	}
-	
-	init();
-	reshape(width, height);
+   eglutInitWindowSize(300, 300);
+   eglutInitAPIMask(EGLUT_OPENGL_BIT);
+   eglutInit(argc, argv);
 
-        glDrawBuffer( GL_BACK );
+   eglutCreateWindow("eglgears");
 
-	run_gears(d, screen_surf, 5.0);
-	
-	eglDestroySurface(d, screen_surf);
-	eglDestroyContext(d, ctx);
-	eglTerminate(d);
+   eglutIdleFunc(idle);
+   eglutReshapeFunc(reshape);
+   eglutDisplayFunc(draw);
+
+   init();
+   glDrawBuffer(GL_BACK);
 	
-	return 0;
+   eglutMainLoop();
+
+   return 0;
 }
diff --git a/progs/egl/eglinfo.c b/progs/egl/opengl/eglinfo.c
index 961fd9ccc7..961fd9ccc7 100644
--- a/progs/egl/eglinfo.c
+++ b/progs/egl/opengl/eglinfo.c
diff --git a/progs/egl/eglscreen.c b/progs/egl/opengl/eglscreen.c
index 520f76ea03..520f76ea03 100644
--- a/progs/egl/eglscreen.c
+++ b/progs/egl/opengl/eglscreen.c
diff --git a/progs/es1/screen/tri.c b/progs/egl/opengl/egltri.c
index bab9499944..fb1dde3529 100644
--- a/progs/es1/screen/tri.c
+++ b/progs/egl/opengl/egltri.c
@@ -1,21 +1,16 @@
 /*
- * Copyright (C) 2009 Chia-I Wu <olv@0xlab.org>
- *
- * Based on egltri by
- * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
  * Copyright (C) 2008  Brian Paul   All Rights Reserved.
- * Copyright (C) 2008  Jakob Bornecrantz   All Rights Reserved.
- *
+ * 
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
  * to deal in the Software without restriction, including without limitation
  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  * and/or sell copies of the Software, and to permit persons to whom the
  * Software is furnished to do so, subject to the following conditions:
- *
+ * 
  * The above copyright notice and this permission notice shall be included
  * in all copies or substantial portions of the Software.
- *
+ * 
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
@@ -24,45 +19,36 @@
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <GLES/gl.h>
-#include "winsys.h"
+/*
+ * Draw a triangle with X/EGL.
+ * Brian Paul
+ * 3 June 2008
+ */
 
-static GLfloat view_rotx = 0.0, view_roty = 0.0, view_rotz = 0.0;
 
-static void tri_init()
-{
-   glClearColor(0.4, 0.4, 0.4, 0.0);
-}
+#include <math.h>
+#include <stdlib.h>
+#include <string.h>
+#include <GL/gl.h>
 
-static void tri_reshape(int width, int height)
-{
-   GLfloat ar = (GLfloat) width / (GLfloat) height;
+#include "eglut.h"
 
-   glViewport(0, 0, (GLint) width, (GLint) height);
 
-   glMatrixMode(GL_PROJECTION);
-   glLoadIdentity();
-   glFrustumf(-ar, ar, -1, 1, 5.0, 60.0);
+static GLfloat view_rotx = 0.0, view_roty = 0.0, view_rotz = 0.0;
 
-   glMatrixMode(GL_MODELVIEW);
-   glLoadIdentity();
-   glTranslatef(0.0, 0.0, -10.0);
-}
 
-static void tri_draw(void *data)
+static void
+draw(void)
 {
    static const GLfloat verts[3][2] = {
       { -1, -1 },
       {  1, -1 },
       {  0,  1 }
    };
-   static const GLfloat colors[3][4] = {
-      { 1, 0, 0, 1 },
-      { 0, 1, 0, 1 },
-      { 0, 0, 1, 1 }
+   static const GLfloat colors[3][3] = {
+      { 1, 0, 0 },
+      { 0, 1, 0 },
+      { 0, 0, 1 }
    };
 
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@@ -74,7 +60,7 @@ static void tri_draw(void *data)
 
    {
       glVertexPointer(2, GL_FLOAT, 0, verts);
-      glColorPointer(4, GL_FLOAT, 0, colors);
+      glColorPointer(3, GL_FLOAT, 0, colors);
       glEnableClientState(GL_VERTEX_ARRAY);
       glEnableClientState(GL_COLOR_ARRAY);
 
@@ -87,43 +73,69 @@ static void tri_draw(void *data)
    glPopMatrix();
 }
 
-static void tri_run(void)
+
+/* new window size or exposure */
+static void
+reshape(int width, int height)
+{
+   GLfloat ar = (GLfloat) width / (GLfloat) height;
+
+   glViewport(0, 0, (GLint) width, (GLint) height);
+
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum(-ar, ar, -1, 1, 5.0, 60.0);
+   
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -10.0);
+}
+
+
+static void
+init(void)
 {
-   winsysRun(3.0, tri_draw, NULL);
+   glClearColor(0.4, 0.4, 0.4, 0.0);
 }
 
-int main(int argc, char *argv[])
+
+static void
+special_key(int special)
 {
-   EGLint width, height;
-   GLboolean printInfo = GL_FALSE;
-   int i;
-
-   /* parse cmd line args */
-   for (i = 1; i < argc; i++) {
-      if (strcmp(argv[i], "-info") == 0) {
-         printInfo = GL_TRUE;
-      }
-      else {
-         printf("Warning: unknown parameter: %s\n", argv[i]);
-      }
+   switch (special) {
+   case EGLUT_KEY_LEFT:
+      view_roty += 5.0;
+      break;
+   case EGLUT_KEY_RIGHT:
+      view_roty -= 5.0;
+      break;
+   case EGLUT_KEY_UP:
+      view_rotx += 5.0;
+      break;
+   case EGLUT_KEY_DOWN:
+      view_rotx -= 5.0;
+      break;
+   default:
+      break;
    }
+}
 
-   if (!winsysInitScreen())
-      exit(1);
-   winsysQueryScreenSize(&width, &height);
+int
+main(int argc, char *argv[])
+{
+   eglutInitWindowSize(300, 300);
+   eglutInitAPIMask(EGLUT_OPENGL_BIT);
+   eglutInit(argc, argv);
 
-   if (printInfo) {
-      printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
-      printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
-      printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
-      printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
-   }
+   eglutCreateWindow("egltri");
+
+   eglutReshapeFunc(reshape);
+   eglutDisplayFunc(draw);
+   eglutSpecialFunc(special_key);
 
-   tri_init();
-   tri_reshape(width, height);
-   tri_run();
+   init();
 
-   winsysFiniScreen();
+   eglutMainLoop();
 
    return 0;
 }
diff --git a/progs/egl/peglgears.c b/progs/egl/opengl/peglgears.c
index 212d1acf69..212d1acf69 100644
--- a/progs/egl/peglgears.c
+++ b/progs/egl/opengl/peglgears.c
diff --git a/progs/egl/xeglgears.c b/progs/egl/opengl/xeglgears.c
index a6a977d9ff..a6a977d9ff 100644
--- a/progs/egl/xeglgears.c
+++ b/progs/egl/opengl/xeglgears.c
diff --git a/progs/egl/xeglthreads.c b/progs/egl/opengl/xeglthreads.c
index 5787faecb9..5787faecb9 100644
--- a/progs/egl/xeglthreads.c
+++ b/progs/egl/opengl/xeglthreads.c
diff --git a/progs/egl/opengles1/.gitignore b/progs/egl/opengles1/.gitignore
new file mode 100644
index 0000000000..135e3deb35
--- /dev/null
+++ b/progs/egl/opengles1/.gitignore
@@ -0,0 +1,15 @@
+bindtex
+drawtex_x11
+drawtex_screen
+es1_info
+gears_x11
+gears_screen
+msaa
+pbuffer
+render_tex
+texture_from_pixmap
+torus_x11
+torus_screen
+tri_x11
+tri_screen
+two_win
diff --git a/progs/egl/opengles1/Makefile b/progs/egl/opengles1/Makefile
new file mode 100644
index 0000000000..554cff9e6b
--- /dev/null
+++ b/progs/egl/opengles1/Makefile
@@ -0,0 +1,102 @@
+# progs/egl/opengles1/Makefile
+
+TOP = ../../..
+include $(TOP)/configs/current
+
+
+INCLUDE_DIRS = \
+	-I$(TOP)/include \
+
+HEADERS = $(TOP)/include/GLES/egl.h
+
+
+ES1_LIB_DEPS = \
+	$(TOP)/$(LIB_DIR)/libEGL.so \
+	$(TOP)/$(LIB_DIR)/libGLESv1_CM.so
+
+
+ES1_LIBS = \
+	-L$(TOP)/$(LIB_DIR) -lEGL \
+	-L$(TOP)/$(LIB_DIR) -lGLESv1_CM $(LIBDRM_LIB) -lX11
+
+EGLUT_DIR = $(TOP)/progs/egl/eglut
+
+EGLUT_DEMOS = \
+	drawtex \
+	gears \
+	torus \
+	tri
+
+EGLUT_X11_DEMOS := $(addsuffix _x11,$(EGLUT_DEMOS))
+EGLUT_SCREEN_DEMOS := $(addsuffix _screen,$(EGLUT_DEMOS))
+
+PROGRAMS = \
+	bindtex \
+	es1_info \
+	msaa \
+	pbuffer \
+	render_tex \
+	texture_from_pixmap \
+	two_win
+
+
+.c.o:
+	$(CC) -c $(INCLUDE_DIRS) -I$(EGLUT_DIR) $(CFLAGS) $< -o $@
+
+
+
+default: $(PROGRAMS) $(EGLUT_X11_DEMOS) $(EGLUT_SCREEN_DEMOS)
+
+
+
+bindtex: bindtex.o $(ES1_LIB_DEPS)
+	$(CC) $(CFLAGS) bindtex.o $(ES1_LIBS) -o $@
+
+
+es1_info: es1_info.o $(ES1_LIB_DEPS)
+	$(CC) $(CFLAGS) es1_info.o $(ES1_LIBS) -o $@
+
+
+msaa: msaa.o $(ES1_LIB_DEPS)
+	$(CC) $(CFLAGS) msaa.o $(ES1_LIBS) -o $@
+
+
+pbuffer: pbuffer.o $(ES1_LIB_DEPS)
+	$(CC) $(CFLAGS) pbuffer.o $(ES1_LIBS) -o $@
+
+
+render_tex: render_tex.o $(ES1_LIB_DEPS)
+	$(CC) $(CFLAGS) render_tex.o $(ES1_LIBS) -o $@
+
+
+texture_from_pixmap: texture_from_pixmap.o $(ES1_LIB_DEPS)
+	$(CC) $(CFLAGS) texture_from_pixmap.o $(ES1_LIBS) -o $@
+
+torus: torus.o $(ES1_LIB_DEPS)
+	$(CC) $(CFLAGS) torus.o $(ES1_LIBS) -o $@
+
+
+two_win: two_win.o $(ES1_LIB_DEPS)
+	$(CC) $(CFLAGS) two_win.o $(ES1_LIBS) -o $@
+
+
+$(EGLUT_DIR)/libeglut-x11.a $(EGLUT_DIR)/libeglut-screen.a:
+	@$(MAKE) -C $(EGLUT_DIR)
+
+# define the rules for EGLUT demos
+define eglut-demo-rule
+$(1)_x11 $(1)_screen: $(1)_%: $(1).o $(EGLUT_DIR)/libeglut-%.a $(ES1_LIB_DEPS)
+endef
+$(foreach demo, $(EGLUT_DEMOS), $(eval $(call eglut-demo-rule,$(demo))))
+
+# build EGLUT demos
+$(EGLUT_X11_DEMOS):
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< -L$(EGLUT_DIR) -leglut-$* $(ES1_LIBS) -lX11
+$(EGLUT_SCREEN_DEMOS):                                                
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< -L$(EGLUT_DIR) -leglut-$* $(ES1_LIBS)
+
+
+clean:
+	-rm -f *.o *~
+	-rm -f $(PROGRAMS) $(EGLUT_X11_DEMOS) $(EGLUT_SCREEN_DEMOS)
+	@$(MAKE) -C $(EGLUT_DIR) clean
diff --git a/progs/es1/xegl/bindtex.c b/progs/egl/opengles1/bindtex.c
index c243b5941b..c243b5941b 100644
--- a/progs/es1/xegl/bindtex.c
+++ b/progs/egl/opengles1/bindtex.c
diff --git a/progs/egl/opengles1/drawtex.c b/progs/egl/opengles1/drawtex.c
new file mode 100644
index 0000000000..e9ac015340
--- /dev/null
+++ b/progs/egl/opengles1/drawtex.c
@@ -0,0 +1,217 @@
+/*
+ * Copyright (C) 2008  Tunsgten Graphics,Inc.   All Rights Reserved.
+ */
+
+/*
+ * Test GL_OES_draw_texture
+ * Brian Paul
+ * August 2008
+ */
+
+#define GL_GLEXT_PROTOTYPES
+
+#include <math.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+
+#include "eglut.h"
+
+
+static GLfloat view_posx = 10.0, view_posy = 20.0;
+static GLfloat width = 200, height = 200;
+static GLboolean animate = GL_FALSE;
+static int win;
+
+
+static void
+draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT);
+
+   glDrawTexfOES(view_posx, view_posy, 0.0, width, height);
+}
+
+
+/* new window size or exposure */
+static void
+reshape(int width, int height)
+{
+   GLfloat ar = (GLfloat) width / (GLfloat) height;
+
+   glViewport(0, 0, (GLint) width, (GLint) height);
+
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+
+#ifdef GL_VERSION_ES_CM_1_0
+   glFrustumf(-ar, ar, -1, 1, 5.0, 60.0);
+#else
+   glFrustum(-ar, ar, -1, 1, 5.0, 60.0);
+#endif
+   
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -15.0);
+}
+
+
+static float
+dist(GLuint i, GLuint j, float x, float y)
+{
+   return sqrt((i-x) * (i-x) + (j-y) * (j-y));
+}
+
+static void
+make_smile_texture(void)
+{
+#define SZ 128
+   GLenum Filter = GL_LINEAR;
+   GLubyte image[SZ][SZ][4];
+   GLuint i, j;
+   GLint cropRect[4];
+
+   for (i = 0; i < SZ; i++) {
+      for (j = 0; j < SZ; j++) {
+         GLfloat d_mouth = dist(i, j, SZ/2, SZ/2);
+         GLfloat d_rt_eye = dist(i, j, SZ*3/4, SZ*3/4);
+         GLfloat d_lt_eye = dist(i, j, SZ*3/4, SZ*1/4);
+         if (d_rt_eye < SZ / 8 || d_lt_eye < SZ / 8) {
+            image[i][j][0] = 20;
+            image[i][j][1] = 50;
+            image[i][j][2] = 255;
+            image[i][j][3] = 255;
+         }
+         else if (i < SZ/2 && d_mouth < SZ/3) {
+            image[i][j][0] = 255;
+            image[i][j][1] = 20;
+            image[i][j][2] = 20;
+            image[i][j][3] = 255;
+         }
+         else {
+            image[i][j][0] = 200;
+            image[i][j][1] = 200;
+            image[i][j][2] = 200;
+            image[i][j][3] = 255;
+         }
+      }
+   }
+
+   glActiveTexture(GL_TEXTURE0); /* unit 0 */
+   glBindTexture(GL_TEXTURE_2D, 42);
+   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, SZ, SZ, 0,
+                GL_RGBA, GL_UNSIGNED_BYTE, image);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, Filter);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, Filter);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+
+   cropRect[0] = 0;
+   cropRect[1] = 0;
+   cropRect[2] = SZ;
+   cropRect[3] = SZ;
+   glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, cropRect);
+#undef SZ
+}
+
+
+
+static void
+init(void)
+{
+   const char *ext = (char *) glGetString(GL_EXTENSIONS);
+
+   if (!strstr(ext, "GL_OES_draw_texture")) {
+      fprintf(stderr, "Sorry, this program requires GL_OES_draw_texture");
+      exit(1);
+   }
+
+   glClearColor(0.4, 0.4, 0.4, 0.0);
+
+   make_smile_texture();
+   glEnable(GL_TEXTURE_2D);
+}
+
+
+static void
+idle(void)
+{
+   if (animate) {
+      view_posx += 1.0;
+      view_posy += 2.0;
+      eglutPostRedisplay();
+   }
+}
+
+static void
+key(unsigned char key)
+{
+   switch (key) {
+   case ' ':
+      animate = !animate;
+      break;
+   case 'w':
+      width -= 1.0f;
+      break;
+   case 'W':
+      width += 1.0f;
+      break;
+   case 'h':
+      height -= 1.0f;
+      break;
+   case 'H':
+      height += 1.0f;
+      break;
+   case 27:
+      eglutDestroyWindow(win);
+      exit(0);
+      break;
+   default:
+      break;
+   }
+}
+
+static void
+special_key(int key)
+{
+   switch (key) {
+   case EGLUT_KEY_LEFT:
+      view_posx -= 1.0;
+      break;
+   case EGLUT_KEY_RIGHT:
+      view_posx += 1.0;
+      break;
+   case EGLUT_KEY_UP:
+      view_posy += 1.0;
+      break;
+   case EGLUT_KEY_DOWN:
+      view_posy -= 1.0;
+      break;
+   default:
+      break;
+   }
+}
+
+int
+main(int argc, char *argv[])
+{
+   eglutInitWindowSize(400, 300);
+   eglutInitAPIMask(EGLUT_OPENGL_ES1_BIT);
+   eglutInit(argc, argv);
+
+   win = eglutCreateWindow("drawtex");
+
+   eglutIdleFunc(idle);
+   eglutReshapeFunc(reshape);
+   eglutDisplayFunc(draw);
+   eglutKeyboardFunc(key);
+   eglutSpecialFunc(special_key);
+
+   init();
+
+   eglutMainLoop();
+
+   return 0;
+}
diff --git a/progs/es1/xegl/es1_info.c b/progs/egl/opengles1/es1_info.c
index 93816b5215..93816b5215 100644
--- a/progs/es1/xegl/es1_info.c
+++ b/progs/egl/opengles1/es1_info.c
diff --git a/progs/es1/screen/gears.c b/progs/egl/opengles1/gears.c
index c7625826b9..8462a4871a 100644
--- a/progs/es1/screen/gears.c
+++ b/progs/egl/opengles1/gears.c
@@ -28,7 +28,7 @@
 #include <assert.h>
 
 #include <GLES/gl.h>
-#include "winsys.h"
+#include "eglut.h"
 
 #ifndef M_PI
 #define M_PI 3.14159265
@@ -247,7 +247,7 @@ draw_gear(const struct gear *gear)
 
 
 static void
-gears_draw(void *data)
+gears_draw(void)
 {
    static const GLfloat red[4] = { 0.8, 0.1, 0.0, 1.0 };
    static const GLfloat green[4] = { 0.0, 0.8, 0.2, 1.0 };
@@ -288,11 +288,6 @@ gears_draw(void *data)
    glPopMatrix();
 
    glPopMatrix();
-
-   /* advance rotation for next frame */
-   angle += 0.5; /* 0.5 degree per frame */
-   if (angle > 3600.0)
-      angle -= 3600.0;
 }
 
 
@@ -348,27 +343,41 @@ gears_reshape(int width, int height)
 }
 
 
-static void gears_run(void)
+static void
+gears_idle(void)
 {
-   winsysRun(5.0, gears_draw, NULL);
+  static double t0 = -1.;
+  double dt, t = eglutGet(EGLUT_ELAPSED_TIME) / 1000.0;
+  if (t0 < 0.0)
+    t0 = t;
+  dt = t - t0;
+  t0 = t;
+
+  angle += 70.0 * dt;  /* 70 degrees per second */
+  angle = fmod(angle, 360.0); /* prevents eventual overflow */
+
+  eglutPostRedisplay();
 }
 
 
 int
 main(int argc, char *argv[])
 {
-   EGLint width, height;
+   eglutInitWindowSize(300, 300);
+   eglutInitAPIMask(EGLUT_OPENGL_ES1_BIT);
+   eglutInit(argc, argv);
 
-   if (!winsysInitScreen())
-      exit(1);
-   winsysQueryScreenSize(&width, &height);
+   eglutCreateWindow("gears");
+
+   eglutIdleFunc(gears_idle);
+   eglutReshapeFunc(gears_reshape);
+   eglutDisplayFunc(gears_draw);
 
    gears_init();
-   gears_reshape(width, height);
-   gears_run();
-   gears_fini();
 
-   winsysFiniScreen();
+   eglutMainLoop();
+
+   gears_fini();
 
    return 0;
 }
diff --git a/progs/es1/xegl/msaa.c b/progs/egl/opengles1/msaa.c
index b4c6c63217..b4c6c63217 100644
--- a/progs/es1/xegl/msaa.c
+++ b/progs/egl/opengles1/msaa.c
diff --git a/progs/es1/xegl/pbuffer.c b/progs/egl/opengles1/pbuffer.c
index 011c2af58f..60f864445a 100644
--- a/progs/es1/xegl/pbuffer.c
+++ b/progs/egl/opengles1/pbuffer.c
@@ -168,6 +168,8 @@ draw_both(EGLDisplay egl_dpy, EGLSurface egl_surf, EGLSurface egl_pbuf,
    glReadPixels(0, 0, WinWidth, WinHeight, GL_RGBA, GL_UNSIGNED_BYTE, wbuf);
    printf("Window[%d,%d] = 0x%08x\n", x, y, wbuf[y*WinWidth+x]);
 
+   eglSwapBuffers(egl_dpy, egl_surf);
+
    /* then draw to pbuffer */
    if (!eglMakeCurrent(egl_dpy, egl_pbuf, egl_pbuf, egl_ctx)) {
       printf("Error: eglMakeCurrent(pbuffer) failed\n");
@@ -177,7 +179,6 @@ draw_both(EGLDisplay egl_dpy, EGLSurface egl_surf, EGLSurface egl_pbuf,
    glReadPixels(0, 0, WinWidth, WinHeight, GL_RGBA, GL_UNSIGNED_BYTE, pbuf);
    printf("Pbuffer[%d,%d] = 0x%08x\n", x, y, pbuf[y*WinWidth+x]);
 
-   eglSwapBuffers(egl_dpy, egl_surf);
 
    /* compare renderings */
    for (dif = i = 0; i < WinWidth * WinHeight; i++) {
diff --git a/progs/es1/xegl/render_tex.c b/progs/egl/opengles1/render_tex.c
index 0200fa4cb0..0200fa4cb0 100644
--- a/progs/es1/xegl/render_tex.c
+++ b/progs/egl/opengles1/render_tex.c
diff --git a/progs/egl/opengles1/texture_from_pixmap.c b/progs/egl/opengles1/texture_from_pixmap.c
new file mode 100644
index 0000000000..79b9474a57
--- /dev/null
+++ b/progs/egl/opengles1/texture_from_pixmap.c
@@ -0,0 +1,578 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  7.9
+ *
+ * Copyright (C) 2010 LunarG Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Chia-I Wu <olv@lunarg.com>
+ */
+
+/*
+ * This demo uses EGL_KHR_image_pixmap and GL_OES_EGL_image to demonstrate
+ * texture-from-pixmap.
+ */
+
+#include <assert.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h> /* for usleep */
+#include <sys/time.h> /* for gettimeofday */
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/keysym.h>
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+
+struct app_data {
+   /* native */
+   Display *xdpy;
+   Window canvas, cube;
+   Pixmap pix;
+   unsigned int width, height, depth;
+   GC fg, bg;
+
+   /* EGL */
+   EGLDisplay dpy;
+   EGLContext ctx;
+   EGLSurface surf;
+   EGLImageKHR img;
+
+   /* OpenGL ES */
+   GLuint texture;
+
+   PFNEGLCREATEIMAGEKHRPROC eglCreateImageKHR;
+   PFNEGLDESTROYIMAGEKHRPROC eglDestroyImageKHR;
+   PFNGLEGLIMAGETARGETTEXTURE2DOESPROC glEGLImageTargetTexture2DOES;
+
+   /* app state */
+   Bool loop;
+   Bool redraw, reshape;
+
+   struct {
+      Bool active;
+      unsigned long next_frame; /* in ms */
+      float view_rotx;
+      float view_roty;
+      float view_rotz;
+
+   } animate;
+
+   struct {
+      Bool active;
+      int x1, y1;
+      int x2, y2;
+   } paint;
+};
+
+static void
+gl_redraw(void)
+{
+   const GLfloat verts[4][2] = {
+      { -1, -1 },
+      {  1, -1 },
+      {  1,  1 },
+      { -1,  1 }
+   };
+   const GLfloat texcoords[4][2] = {
+      { 0, 1 },
+      { 1, 1 },
+      { 1, 0 },
+      { 0, 0 }
+   };
+   const GLfloat faces[6][4] = {
+      {   0, 0, 1, 0 },
+      {  90, 0, 1, 0 },
+      { 180, 0, 1, 0 },
+      { 270, 0, 1, 0 },
+      {  90, 1, 0, 0 },
+      { -90, 1, 0, 0 }
+   };
+   GLint i;
+
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   glVertexPointer(2, GL_FLOAT, 0, verts);
+   glTexCoordPointer(2, GL_FLOAT, 0, texcoords);
+
+   glEnableClientState(GL_VERTEX_ARRAY);
+   glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+
+   for (i = 0; i < 6; i++) {
+      glPushMatrix();
+      glRotatef(faces[i][0], faces[i][1], faces[i][2], faces[i][3]);
+      glTranslatef(0, 0, 1.0);
+      glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
+      glPopMatrix();
+   }
+
+   glDisableClientState(GL_VERTEX_ARRAY);
+   glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+}
+
+static void
+gl_reshape(int width, int height)
+{
+   GLfloat ar = (GLfloat) width / (GLfloat) height;
+
+   glViewport(0, 0, width, height);
+
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustumf(-ar, ar, -1, 1, 5.0, 60.0);
+   
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -10.0);
+}
+
+static void
+app_redraw(struct app_data *data)
+{
+   /* pixmap has changed */
+   if (data->reshape || data->paint.active) {
+      eglWaitNative(EGL_CORE_NATIVE_ENGINE);
+
+      if (data->reshape) {
+         data->glEGLImageTargetTexture2DOES(GL_TEXTURE_2D,
+               (GLeglImageOES) data->img);
+      }
+   }
+
+   XCopyArea(data->xdpy, data->pix, data->canvas, data->fg,
+         0, 0, data->width, data->height, 0, 0);
+
+   glPushMatrix();
+   glRotatef(data->animate.view_rotx, 1, 0, 0);
+   glRotatef(data->animate.view_roty, 0, 1, 0);
+   glRotatef(data->animate.view_rotz, 0, 0, 1);
+   gl_redraw();
+   glPopMatrix();
+
+   eglSwapBuffers(data->dpy, data->surf);
+}
+
+static void
+app_reshape(struct app_data *data)
+{
+   const EGLint img_attribs[] = {
+      EGL_IMAGE_PRESERVED_KHR, EGL_TRUE,
+      EGL_NONE
+   };
+
+   XResizeWindow(data->xdpy, data->cube, data->width, data->height);
+   XMoveWindow(data->xdpy, data->cube, data->width, 0);
+
+   if (data->img)
+      data->eglDestroyImageKHR(data->dpy, data->img);
+   if (data->pix)
+      XFreePixmap(data->xdpy, data->pix);
+
+   data->pix = XCreatePixmap(data->xdpy, data->canvas, data->width, data->height, data->depth);
+   XFillRectangle(data->xdpy, data->pix, data->bg, 0, 0, data->width, data->height);
+
+   data->img = data->eglCreateImageKHR(data->dpy, EGL_NO_CONTEXT,
+         EGL_NATIVE_PIXMAP_KHR, (EGLClientBuffer) data->pix, img_attribs);
+
+   gl_reshape(data->width, data->height);
+}
+
+static void
+app_toggle_animate(struct app_data *data)
+{
+   data->animate.active = !data->animate.active;
+
+   if (data->animate.active) {
+      struct timeval tv;
+
+      gettimeofday(&tv, NULL);
+      data->animate.next_frame = tv.tv_sec * 1000 + tv.tv_usec / 1000;
+   }
+}
+
+static void
+app_next_event(struct app_data *data)
+{
+   XEvent event;
+
+   data->reshape = False;
+   data->redraw = False;
+   data->paint.active = False;
+
+   if (data->animate.active) {
+      struct timeval tv;
+      unsigned long now;
+
+      gettimeofday(&tv, NULL);
+      now = tv.tv_sec * 1000 + tv.tv_usec / 1000;
+
+      /* wait for next frame */
+      if (!XPending(data->xdpy) && now < data->animate.next_frame) {
+         usleep((data->animate.next_frame - now) * 1000);
+         gettimeofday(&tv, NULL);
+         now = tv.tv_sec * 1000 + tv.tv_usec / 1000;
+      }
+
+      while (now >= data->animate.next_frame) {
+         data->animate.view_rotx += 1.0;
+         data->animate.view_roty += 2.0;
+         data->animate.view_rotz += 1.5;
+
+         /* 30fps */
+         data->animate.next_frame += 1000 / 30;
+      }
+
+      /* check again in case there were events when sleeping */
+      if (!XPending(data->xdpy)) {
+         data->redraw = True;
+         return;
+      }
+   }
+
+   XNextEvent(data->xdpy, &event);
+
+   switch (event.type) {
+   case ConfigureNotify:
+      data->width = event.xconfigure.width / 2;
+      data->height = event.xconfigure.height;
+      data->reshape = True;
+      break;
+   case Expose:
+      data->redraw = True;
+      break;
+   case KeyPress:
+      {
+         int code;
+
+         code = XLookupKeysym(&event.xkey, 0);
+         switch (code) {
+         case XK_a:
+            app_toggle_animate(data);
+            break;
+         case XK_Escape:
+            data->loop = False;
+            break;
+         default:
+            break;
+         }
+      }
+      break;
+   case ButtonPress:
+      data->paint.x1 = data->paint.x2 = event.xbutton.x;
+      data->paint.y1 = data->paint.y2 = event.xbutton.y;
+      break;
+   case ButtonRelease:
+      data->paint.active = False;
+      break;
+   case MotionNotify:
+      data->paint.x1 = data->paint.x2;
+      data->paint.y1 = data->paint.y2;
+      data->paint.x2 = event.xmotion.x;
+      data->paint.y2 = event.xmotion.y;
+      data->paint.active = True;
+      break;
+   default:
+      break;
+   }
+
+   if (data->paint.active || data->reshape)
+      data->redraw = True;
+}
+
+static void
+app_init_gl(struct app_data *data)
+{
+   glClearColor(0.1, 0.1, 0.3, 0.0);
+   glColor4f(1.0, 1.0, 1.0, 1.0);
+
+   glGenTextures(1, &data->texture);
+
+   glBindTexture(GL_TEXTURE_2D, data->texture);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+   glEnable(GL_TEXTURE_2D);
+   glEnable(GL_DEPTH_TEST);
+}
+
+static Bool
+app_init_exts(struct app_data *data)
+{
+   const char *exts;
+
+   exts = eglQueryString(data->dpy, EGL_EXTENSIONS);
+   data->eglCreateImageKHR =
+      (PFNEGLCREATEIMAGEKHRPROC) eglGetProcAddress("eglCreateImageKHR");
+   data->eglDestroyImageKHR =
+      (PFNEGLDESTROYIMAGEKHRPROC) eglGetProcAddress("eglDestroyImageKHR");
+   if (!exts || !strstr(exts, "EGL_KHR_image_pixmap") ||
+       !data->eglCreateImageKHR || !data->eglDestroyImageKHR) {
+      printf("EGL does not support EGL_KHR_image_pixmap\n");
+      return False;
+   }
+
+   exts = (const char *) glGetString(GL_EXTENSIONS);
+   data->glEGLImageTargetTexture2DOES = (PFNGLEGLIMAGETARGETTEXTURE2DOESPROC)
+      eglGetProcAddress("glEGLImageTargetTexture2DOES");
+   if (!exts || !strstr(exts, "GL_OES_EGL_image") ||
+       !data->glEGLImageTargetTexture2DOES) {
+      printf("OpenGL ES does not support GL_OES_EGL_image\n");
+      return False;
+   }
+
+   return True;
+}
+
+static void
+app_run(struct app_data *data)
+{
+   Window root;
+   int x, y;
+   unsigned int border;
+
+   if (!eglMakeCurrent(data->dpy, data->surf, data->surf, data->ctx))
+      return;
+
+   if (!app_init_exts(data))
+      return;
+
+   printf("Draw something on the left with the mouse!\n");
+
+   app_init_gl(data);
+
+   if (!XGetGeometry(data->xdpy, data->canvas, &root, &x, &y,
+            &data->width, &data->height, &border, &data->depth))
+      return;
+   data->width /= 2;
+
+   app_reshape(data);
+
+   XMapWindow(data->xdpy, data->canvas);
+   XMapWindow(data->xdpy, data->cube);
+
+   app_toggle_animate(data);
+   data->loop = True;
+
+   while (data->loop) {
+      app_next_event(data);
+
+      if (data->reshape)
+         app_reshape(data);
+      if (data->paint.active) {
+         XDrawLine(data->xdpy, data->pix, data->fg,
+               data->paint.x1, data->paint.y1,
+               data->paint.x2, data->paint.y2);
+      }
+
+      if (data->redraw)
+         app_redraw(data);
+   }
+
+   eglMakeCurrent(data->dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+}
+
+static Bool
+make_x_window(struct app_data *data, const char *name,
+              int x, int y, int width, int height)
+{
+   static const EGLint attribs[] = {
+      EGL_RED_SIZE, 1,
+      EGL_GREEN_SIZE, 1,
+      EGL_BLUE_SIZE, 1,
+      EGL_DEPTH_SIZE, 1,
+      EGL_RENDERABLE_TYPE, EGL_OPENGL_ES_BIT,
+      EGL_NONE
+   };
+   static const EGLint ctx_attribs[] = {
+      EGL_CONTEXT_CLIENT_VERSION, 1,
+      EGL_NONE
+   };
+   int scrnum;
+   XSetWindowAttributes attr;
+   unsigned long mask;
+   Window root;
+   Window win;
+   XVisualInfo *visInfo, visTemplate;
+   int num_visuals;
+   EGLConfig config;
+   EGLint num_configs;
+   EGLint vid;
+
+   scrnum = DefaultScreen( data->xdpy );
+   root = RootWindow( data->xdpy, scrnum );
+
+   if (!eglChooseConfig( data->dpy, attribs, &config, 1, &num_configs)) {
+      printf("Error: couldn't get an EGL visual config\n");
+      exit(1);
+   }
+
+   assert(config);
+   assert(num_configs > 0);
+
+   if (!eglGetConfigAttrib(data->dpy, config, EGL_NATIVE_VISUAL_ID, &vid)) {
+      printf("Error: eglGetConfigAttrib() failed\n");
+      exit(1);
+   }
+
+   /* The X window visual must match the EGL config */
+   visTemplate.visualid = vid;
+   visInfo = XGetVisualInfo(data->xdpy, VisualIDMask, &visTemplate, &num_visuals);
+   if (!visInfo) {
+      printf("Error: couldn't get X visual\n");
+      exit(1);
+   }
+
+   /* window attributes */
+   attr.background_pixel = 0;
+   attr.border_pixel = 0;
+   attr.colormap = XCreateColormap( data->xdpy, root, visInfo->visual, AllocNone);
+   attr.event_mask = StructureNotifyMask | ExposureMask |
+                     KeyPressMask | ButtonPressMask | ButtonMotionMask;
+   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+   win = XCreateWindow( data->xdpy, root, 0, 0, width * 2, height,
+		        0, visInfo->depth, InputOutput,
+		        visInfo->visual, mask, &attr );
+
+   /* set hints and properties */
+   {
+      XSizeHints sizehints;
+      sizehints.x = x;
+      sizehints.y = y;
+      sizehints.width  = width;
+      sizehints.height = height;
+      sizehints.flags = USSize | USPosition;
+      XSetNormalHints(data->xdpy, win, &sizehints);
+      XSetStandardProperties(data->xdpy, win, name, name,
+                              None, (char **)NULL, 0, &sizehints);
+   }
+
+   data->canvas = win;
+
+   attr.event_mask = 0x0;
+   win = XCreateWindow( data->xdpy, win, width, 0, width, height,
+		        0, visInfo->depth, InputOutput,
+		        visInfo->visual, mask, &attr );
+   data->cube = win;
+
+   eglBindAPI(EGL_OPENGL_ES_API);
+
+   data->ctx = eglCreateContext(data->dpy, config, EGL_NO_CONTEXT, ctx_attribs );
+   if (!data->ctx) {
+      printf("Error: eglCreateContext failed\n");
+      exit(1);
+   }
+
+   data->surf = eglCreateWindowSurface(data->dpy, config, data->cube, NULL);
+   if (!data->surf) {
+      printf("Error: eglCreateWindowSurface failed\n");
+      exit(1);
+   }
+
+   XFree(visInfo);
+
+   return (data->canvas && data->cube && data->ctx && data->surf);
+}
+
+static void
+app_fini(struct app_data *data)
+{
+   if (data->img)
+      data->eglDestroyImageKHR(data->dpy, data->img);
+   if (data->pix)
+      XFreePixmap(data->xdpy, data->pix);
+
+   if (data->fg)
+      XFreeGC(data->xdpy, data->fg);
+   if (data->bg)
+      XFreeGC(data->xdpy, data->bg);
+
+   if (data->surf)
+      eglDestroySurface(data->dpy, data->surf);
+   if (data->ctx)
+      eglDestroyContext(data->dpy, data->ctx);
+
+   if (data->cube)
+      XDestroyWindow(data->xdpy, data->cube);
+   if (data->canvas)
+      XDestroyWindow(data->xdpy, data->canvas);
+
+   if (data->dpy)
+      eglTerminate(data->dpy);
+   if (data->xdpy)
+      XCloseDisplay(data->xdpy);
+}
+
+static Bool
+app_init(struct app_data *data, int argc, char **argv)
+{
+   XGCValues gc_vals;
+
+   memset(data, 0, sizeof(*data));
+
+   data->xdpy = XOpenDisplay(NULL);
+   if (!data->xdpy)
+      goto fail;
+
+   data->dpy = eglGetDisplay(data->xdpy);
+   if (!data->dpy || !eglInitialize(data->dpy, NULL, NULL))
+      goto fail;
+
+   if (!make_x_window(data, "EGLImage TFP", 0, 0, 300, 300))
+      goto fail;
+
+   gc_vals.function = GXcopy;
+   gc_vals.foreground = WhitePixel(data->xdpy, DefaultScreen(data->xdpy));
+   gc_vals.line_width = 3;
+   gc_vals.line_style = LineSolid;
+   gc_vals.fill_style = FillSolid;
+
+   data->fg = XCreateGC(data->xdpy, data->canvas,
+         GCFunction | GCForeground | GCLineWidth | GCLineStyle | GCFillStyle,
+         &gc_vals);
+   gc_vals.foreground = BlackPixel(data->xdpy, DefaultScreen(data->xdpy));
+   data->bg = XCreateGC(data->xdpy, data->canvas,
+         GCFunction | GCForeground | GCLineWidth | GCLineStyle | GCFillStyle,
+         &gc_vals);
+   if (!data->fg || !data->bg)
+      goto fail;
+
+   return True;
+
+fail:
+   app_fini(data);
+   return False;
+}
+
+int
+main(int argc, char **argv)
+{
+   struct app_data data;
+
+   if (app_init(&data, argc, argv)) {
+      app_run(&data);
+      app_fini(&data);
+   }
+
+   return 0;
+}
diff --git a/progs/es1/xegl/torus.c b/progs/egl/opengles1/torus.c
index 9438a4fe59..8f262b53d6 100644
--- a/progs/es1/xegl/torus.c
+++ b/progs/egl/opengles1/torus.c
@@ -13,14 +13,9 @@
 #include <math.h>
 #include <stdlib.h>
 #include <stdio.h>
-#include <string.h>
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/keysym.h>
 #include <GLES/gl.h>
-#include <GLES/glext.h>
-#include <EGL/egl.h>
 
+#include "eglut.h"
 
 static const struct {
    GLenum internalFormat;
@@ -43,6 +38,8 @@ static const struct {
 
 static GLfloat view_rotx = 0.0, view_roty = 0.0, view_rotz = 0.0;
 static GLint tex_format = NUM_CPAL_FORMATS;
+static GLboolean animate = GL_TRUE;
+static int win;
 
 
 static void
@@ -364,293 +361,88 @@ init(void)
 }
 
 
-/*
- * Create an RGB, double-buffered X window.
- * Return the window and context handles.
- */
 static void
-make_x_window(Display *x_dpy, EGLDisplay egl_dpy,
-              const char *name,
-              int x, int y, int width, int height,
-              Window *winRet,
-              EGLContext *ctxRet,
-              EGLSurface *surfRet)
+idle(void)
 {
-   static const EGLint attribs[] = {
-      EGL_RED_SIZE, 1,
-      EGL_GREEN_SIZE, 1,
-      EGL_BLUE_SIZE, 1,
-      EGL_DEPTH_SIZE, 1,
-      EGL_NONE
-   };
-
-   int scrnum;
-   XSetWindowAttributes attr;
-   unsigned long mask;
-   Window root;
-   Window win;
-   XVisualInfo *visInfo, visTemplate;
-   int num_visuals;
-   EGLContext ctx;
-   EGLConfig config;
-   EGLint num_configs;
-   EGLint vid;
-
-   scrnum = DefaultScreen( x_dpy );
-   root = RootWindow( x_dpy, scrnum );
-
-   if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs)) {
-      printf("Error: couldn't get an EGL visual config\n");
-      exit(1);
-   }
-
-   assert(config);
-   assert(num_configs > 0);
-
-   if (!eglGetConfigAttrib(egl_dpy, config, EGL_NATIVE_VISUAL_ID, &vid)) {
-      printf("Error: eglGetConfigAttrib() failed\n");
-      exit(1);
-   }
-
-   /* The X window visual must match the EGL config */
-   visTemplate.visualid = vid;
-   visInfo = XGetVisualInfo(x_dpy, VisualIDMask, &visTemplate, &num_visuals);
-   if (!visInfo) {
-      printf("Error: couldn't get X visual\n");
-      exit(1);
-   }
-
-   /* window attributes */
-   attr.background_pixel = 0;
-   attr.border_pixel = 0;
-   attr.colormap = XCreateColormap( x_dpy, root, visInfo->visual, AllocNone);
-   attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
-   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
-
-   win = XCreateWindow( x_dpy, root, 0, 0, width, height,
-		        0, visInfo->depth, InputOutput,
-		        visInfo->visual, mask, &attr );
-
-   /* set hints and properties */
-   {
-      XSizeHints sizehints;
-      sizehints.x = x;
-      sizehints.y = y;
-      sizehints.width  = width;
-      sizehints.height = height;
-      sizehints.flags = USSize | USPosition;
-      XSetNormalHints(x_dpy, win, &sizehints);
-      XSetStandardProperties(x_dpy, win, name, name,
-                              None, (char **)NULL, 0, &sizehints);
-   }
-
-   eglBindAPI(EGL_OPENGL_ES_API);
-
-   ctx = eglCreateContext(egl_dpy, config, EGL_NO_CONTEXT, NULL );
-   if (!ctx) {
-      printf("Error: eglCreateContext failed\n");
-      exit(1);
-   }
-
-   *surfRet = eglCreateWindowSurface(egl_dpy, config, win, NULL);
-
-   if (!*surfRet) {
-      printf("Error: eglCreateWindowSurface failed\n");
-      exit(1);
+   if (animate) {
+      view_rotx += 1.0;
+      view_roty += 2.0;
+      eglutPostRedisplay();
    }
-
-   XFree(visInfo);
-
-   *winRet = win;
-   *ctxRet = ctx;
 }
 
-
 static void
-event_loop(Display *dpy, Window win,
-           EGLDisplay egl_dpy, EGLSurface egl_surf)
+key(unsigned char key)
 {
-   int anim = 1;
-
-   while (1) {
-      int redraw = 0;
-
-      if (!anim || XPending(dpy)) {
-         XEvent event;
-         XNextEvent(dpy, &event);
-
-         switch (event.type) {
-         case Expose:
-            redraw = 1;
-            break;
-         case ConfigureNotify:
-            reshape(event.xconfigure.width, event.xconfigure.height);
-            break;
-         case KeyPress:
-            {
-               char buffer[10];
-               int r, code;
-               code = XLookupKeysym(&event.xkey, 0);
-               if (code == XK_Left) {
-               view_roty += 5.0;
-               }
-               else if (code == XK_Right) {
-                  view_roty -= 5.0;
-               }
-               else if (code == XK_Up) {
-                  view_rotx += 5.0;
-               }
-               else if (code == XK_Down) {
-                  view_rotx -= 5.0;
-               }
-               else if (code == XK_t) {
-                  GLint size;
-                  tex_format = (tex_format + 1) % (NUM_CPAL_FORMATS + 1);
-                  if (tex_format < NUM_CPAL_FORMATS) {
-                     size = make_cpal_texture(tex_format);
-                     printf("Using %s (%d bytes)\n",
-                           cpal_formats[tex_format].name, size);
-                  }
-                  else {
-                     size = make_texture();
-                     printf("Using uncompressed texture (%d bytes)\n", size);
-                  }
-               }
-               else {
-                  r = XLookupString(&event.xkey, buffer, sizeof(buffer),
-                                    NULL, NULL);
-                  if (buffer[0] == ' ') {
-                     anim = !anim;
-                  }
-                  else if (buffer[0] == 27) {
-                     /* escape */
-                     return;
-                  }
-               }
-            }
-            redraw = 1;
-            break;
-         default:
-            ; /*no-op*/
+   switch (key) {
+   case ' ':
+      animate = !animate;
+      break;
+   case 't':
+      {
+         GLint size;
+         tex_format = (tex_format + 1) % (NUM_CPAL_FORMATS + 1);
+         if (tex_format < NUM_CPAL_FORMATS) {
+            size = make_cpal_texture(tex_format);
+            printf("Using %s (%d bytes)\n",
+                  cpal_formats[tex_format].name, size);
+         }
+         else {
+            size = make_texture();
+            printf("Using uncompressed texture (%d bytes)\n", size);
          }
-      }
-
-      if (anim) {
-         view_rotx += 1.0;
-         view_roty += 2.0;
-         redraw = 1;
-      }
 
-      if (redraw) {
-         draw();
-         eglSwapBuffers(egl_dpy, egl_surf);
+         eglutPostRedisplay();
       }
+      break;
+   case 27:
+      eglutDestroyWindow(win);
+      exit(0);
+      break;
+   default:
+      break;
    }
 }
 
-
 static void
-usage(void)
+special_key(int key)
 {
-   printf("Usage:\n");
-   printf("  -display <displayname>  set the display to run on\n");
-   printf("  -info                   display OpenGL renderer info\n");
+   switch (key) {
+   case EGLUT_KEY_LEFT:
+      view_roty += 5.0;
+      break;
+   case EGLUT_KEY_RIGHT:
+      view_roty -= 5.0;
+      break;
+   case EGLUT_KEY_UP:
+      view_rotx += 5.0;
+      break;
+   case EGLUT_KEY_DOWN:
+      view_rotx -= 5.0;
+      break;
+   default:
+      break;
+   }
 }
- 
 
 int
 main(int argc, char *argv[])
 {
-   const int winWidth = 300, winHeight = 300;
-   Display *x_dpy;
-   Window win;
-   EGLSurface egl_surf;
-   EGLContext egl_ctx;
-   EGLDisplay egl_dpy;
-   char *dpyName = NULL;
-   GLboolean printInfo = GL_FALSE;
-   EGLint egl_major, egl_minor;
-   int i;
-   const char *s;
-
-   for (i = 1; i < argc; i++) {
-      if (strcmp(argv[i], "-display") == 0) {
-         dpyName = argv[i+1];
-         i++;
-      }
-      else if (strcmp(argv[i], "-info") == 0) {
-         printInfo = GL_TRUE;
-      }
-      else {
-         usage();
-         return -1;
-      }
-   }
-
-   x_dpy = XOpenDisplay(dpyName);
-   if (!x_dpy) {
-      printf("Error: couldn't open display %s\n",
-	     dpyName ? dpyName : getenv("DISPLAY"));
-      return -1;
-   }
-
-   egl_dpy = eglGetDisplay(x_dpy);
-   if (!egl_dpy) {
-      printf("Error: eglGetDisplay() failed\n");
-      return -1;
-   }
-
-   if (!eglInitialize(egl_dpy, &egl_major, &egl_minor)) {
-      printf("Error: eglInitialize() failed\n");
-      return -1;
-   }
-
-   s = eglQueryString(egl_dpy, EGL_VERSION);
-   printf("EGL_VERSION = %s\n", s);
-
-   s = eglQueryString(egl_dpy, EGL_VENDOR);
-   printf("EGL_VENDOR = %s\n", s);
-
-   s = eglQueryString(egl_dpy, EGL_EXTENSIONS);
-   printf("EGL_EXTENSIONS = %s\n", s);
-
-   s = eglQueryString(egl_dpy, EGL_CLIENT_APIS);
-   printf("EGL_CLIENT_APIS = %s\n", s);
+   eglutInitWindowSize(300, 300);
+   eglutInitAPIMask(EGLUT_OPENGL_ES1_BIT);
+   eglutInit(argc, argv);
 
-   make_x_window(x_dpy, egl_dpy,
-                 "torus", 0, 0, winWidth, winHeight,
-                 &win, &egl_ctx, &egl_surf);
+   win = eglutCreateWindow("torus");
 
-   XMapWindow(x_dpy, win);
-   if (!eglMakeCurrent(egl_dpy, egl_surf, egl_surf, egl_ctx)) {
-      printf("Error: eglMakeCurrent() failed\n");
-      return -1;
-   }
-
-   if (printInfo) {
-      printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
-      printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
-      printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
-      printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
-   }
+   eglutIdleFunc(idle);
+   eglutReshapeFunc(reshape);
+   eglutDisplayFunc(draw);
+   eglutKeyboardFunc(key);
+   eglutSpecialFunc(special_key);
 
    init();
 
-   /* Set initial projection/viewing transformation.
-    * We can't be sure we'll get a ConfigureNotify event when the window
-    * first appears.
-    */
-   reshape(winWidth, winHeight);
-
-   event_loop(x_dpy, win, egl_dpy, egl_surf);
-
-   eglDestroyContext(egl_dpy, egl_ctx);
-   eglDestroySurface(egl_dpy, egl_surf);
-   eglTerminate(egl_dpy);
-
-
-   XDestroyWindow(x_dpy, win);
-   XCloseDisplay(x_dpy);
+   eglutMainLoop();
 
    return 0;
 }
diff --git a/progs/egl/opengles1/tri.c b/progs/egl/opengles1/tri.c
new file mode 100644
index 0000000000..01ad9bd37e
--- /dev/null
+++ b/progs/egl/opengles1/tri.c
@@ -0,0 +1,211 @@
+/*
+ * Copyright (C) 2008  Brian Paul   All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * Draw a triangle with X/EGL and OpenGL ES 1.x
+ * Brian Paul
+ * 5 June 2008
+ */
+
+#define USE_FIXED_POINT 0
+
+
+#include <assert.h>
+#include <math.h>
+#include <stdio.h>
+#include <GLES/gl.h>  /* use OpenGL ES 1.x */
+#include <GLES/glext.h>
+#include <EGL/egl.h>
+
+#include "eglut.h"
+
+
+#define FLOAT_TO_FIXED(X)   ((X) * 65535.0)
+
+
+
+static GLfloat view_rotx = 0.0, view_roty = 0.0, view_rotz = 0.0;
+
+
+static void
+draw(void)
+{
+#if USE_FIXED_POINT
+   static const GLfixed verts[3][2] = {
+      { -65536, -65536 },
+      {  65536, -65536 },
+      {      0,  65536 }
+   };
+   static const GLfixed colors[3][4] = {
+      { 65536,     0,     0,    65536 },
+      {     0, 65536,     0 ,   65536},
+      {     0,     0, 65536 ,   65536}
+   };
+#else
+   static const GLfloat verts[3][2] = {
+      { -1, -1 },
+      {  1, -1 },
+      {  0,  1 }
+   };
+   static const GLfloat colors[3][4] = {
+      { 1, 0, 0, 1 },
+      { 0, 1, 0, 1 },
+      { 0, 0, 1, 1 }
+   };
+#endif
+
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   glPushMatrix();
+   glRotatef(view_rotx, 1, 0, 0);
+   glRotatef(view_roty, 0, 1, 0);
+   glRotatef(view_rotz, 0, 0, 1);
+
+   {
+#if USE_FIXED_POINT
+      glVertexPointer(2, GL_FIXED, 0, verts);
+      glColorPointer(4, GL_FIXED, 0, colors);
+#else
+      glVertexPointer(2, GL_FLOAT, 0, verts);
+      glColorPointer(4, GL_FLOAT, 0, colors);
+#endif
+      glEnableClientState(GL_VERTEX_ARRAY);
+      glEnableClientState(GL_COLOR_ARRAY);
+
+      /* draw triangle */
+      glDrawArrays(GL_TRIANGLES, 0, 3);
+
+      /* draw some points */
+      glPointSizex(FLOAT_TO_FIXED(15.5));
+      glDrawArrays(GL_POINTS, 0, 3);
+
+      glDisableClientState(GL_VERTEX_ARRAY);
+      glDisableClientState(GL_COLOR_ARRAY);
+   }
+
+   if (0) {
+      /* test code */
+      GLfixed size;
+      glGetFixedv(GL_POINT_SIZE, &size);
+      printf("GL_POINT_SIZE = 0x%x %f\n", size, size / 65536.0);
+   }
+
+   glPopMatrix();
+}
+
+
+/* new window size or exposure */
+static void
+reshape(int width, int height)
+{
+   GLfloat ar = (GLfloat) width / (GLfloat) height;
+
+   glViewport(0, 0, (GLint) width, (GLint) height);
+
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+#ifdef GL_VERSION_ES_CM_1_0
+   glFrustumf(-ar, ar, -1, 1, 5.0, 60.0);
+#else
+   glFrustum(-ar, ar, -1, 1, 5.0, 60.0);
+#endif
+   
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -10.0);
+}
+
+
+static void
+test_query_matrix(void)
+{
+   PFNGLQUERYMATRIXXOESPROC procQueryMatrixx;
+   typedef void (*voidproc)();
+   GLfixed mantissa[16];
+   GLint exponent[16];
+   GLbitfield rv;
+   int i;
+
+   procQueryMatrixx = (PFNGLQUERYMATRIXXOESPROC) eglGetProcAddress("glQueryMatrixxOES");
+   assert(procQueryMatrixx);
+   /* Actually try out this one */
+   rv = (*procQueryMatrixx)(mantissa, exponent);
+   for (i = 0; i < 16; i++) {
+      if (rv & (1<<i)) {
+        printf("matrix[%d] invalid\n", i);
+      }
+      else {
+         printf("matrix[%d] = %f * 2^(%d)\n", i, mantissa[i]/65536.0, exponent[i]);
+      }
+   }
+   assert(!eglGetProcAddress("glFoo"));
+}
+
+
+static void
+init(void)
+{
+   glClearColor(0.4, 0.4, 0.4, 0.0);
+
+   if (0)
+      test_query_matrix();
+}
+
+static void
+special_key(int special)
+{
+   switch (special) {
+   case EGLUT_KEY_LEFT:
+      view_roty += 5.0;
+      break;
+   case EGLUT_KEY_RIGHT:
+      view_roty -= 5.0;
+      break;
+   case EGLUT_KEY_UP:
+      view_rotx += 5.0;
+      break;
+   case EGLUT_KEY_DOWN:
+      view_rotx -= 5.0;
+      break;
+   default:
+      break;
+   }
+}
+
+int
+main(int argc, char *argv[])
+{
+   eglutInitWindowSize(300, 300);
+   eglutInitAPIMask(EGLUT_OPENGL_ES1_BIT);
+   eglutInit(argc, argv);
+
+   eglutCreateWindow("tri");
+
+   eglutReshapeFunc(reshape);
+   eglutDisplayFunc(draw);
+   eglutSpecialFunc(special_key);
+
+   init();
+
+   eglutMainLoop();
+
+   return 0;
+}
diff --git a/progs/es1/xegl/two_win.c b/progs/egl/opengles1/two_win.c
index 4785e5304d..4785e5304d 100644
--- a/progs/es1/xegl/two_win.c
+++ b/progs/egl/opengles1/two_win.c
diff --git a/progs/egl/opengles2/.gitignore b/progs/egl/opengles2/.gitignore
new file mode 100644
index 0000000000..6158cc6e68
--- /dev/null
+++ b/progs/egl/opengles2/.gitignore
@@ -0,0 +1,3 @@
+es2_info.c
+es2_info
+tri
diff --git a/progs/es2/xegl/Makefile b/progs/egl/opengles2/Makefile
index 5bb167c1c6..710c4d8c13 100644
--- a/progs/es2/xegl/Makefile
+++ b/progs/egl/opengles2/Makefile
@@ -1,4 +1,4 @@
-# progs/es2/xegl/Makefile
+# progs/egl/opengles2/Makefile
 
 TOP = ../../..
 include $(TOP)/configs/current
@@ -33,7 +33,7 @@ default: $(PROGRAMS)
 
 
 
-es2_info.c: ../../es1/xegl/es1_info.c
+es2_info.c: ../opengles1/es1_info.c
 	cp -f $^ $@
 
 es2_info: es2_info.o $(ES2_LIB_DEPS)
diff --git a/progs/es2/xegl/tri.c b/progs/egl/opengles2/tri.c
index 8981d8a7e2..8981d8a7e2 100644
--- a/progs/es2/xegl/tri.c
+++ b/progs/egl/opengles2/tri.c
diff --git a/progs/openvg/.gitignore b/progs/egl/openvg/.gitignore
index 9b05e1e81d..3e1733c8c8 100644
--- a/progs/openvg/.gitignore
+++ b/progs/egl/openvg/.gitignore
@@ -1,5 +1,7 @@
-demos/lion
-demos/sp
+lion_x11
+lion_screen
+sp_x11
+sp_screen
 trivial/arc
 trivial/cap
 trivial/clear
diff --git a/progs/egl/openvg/Makefile b/progs/egl/openvg/Makefile
new file mode 100644
index 0000000000..5a10cc8055
--- /dev/null
+++ b/progs/egl/openvg/Makefile
@@ -0,0 +1,55 @@
+# progs/egl/openvg/Makefile
+
+TOP = ../../..
+include $(TOP)/configs/current
+
+VG_LIBS=-lm -lEGL -lOpenVG
+INCLUDE_DIRS = -I$(TOP)/include
+
+EGLUT_DIR = $(TOP)/progs/egl/eglut
+
+EGLUT_DEMOS = \
+	sp
+
+EGLUT_X11_DEMOS := $(addsuffix _x11,$(EGLUT_DEMOS))
+EGLUT_SCREEN_DEMOS := $(addsuffix _screen,$(EGLUT_DEMOS))
+
+PROGRAMS = \
+	lion_x11 \
+	lion_screen
+
+.c.o:
+	$(CC) -c $(INCLUDE_DIRS) -I$(EGLUT_DIR) $(CFLAGS) $< -o $@
+
+
+
+default: $(PROGRAMS) $(EGLUT_X11_DEMOS) $(EGLUT_SCREEN_DEMOS)
+
+lion_x11: lion.o lion-render.o $(EGLUT_DIR)/libeglut-x11.a
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ lion.o lion-render.o \
+		-L$(EGLUT_DIR) -leglut-x11 $(VG_LIBS) -lX11
+
+lion_screen: lion.o lion-render.o $(EGLUT_DIR)/libeglut-screen.a
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ lion.o lion-render.o \
+		-L$(EGLUT_DIR) -leglut-screen $(VG_LIBS) 
+
+
+$(EGLUT_DIR)/libeglut-x11.a $(EGLUT_DIR)/libeglut-screen.a:
+	@$(MAKE) -C $(EGLUT_DIR)
+
+# define the rules for EGLUT demos
+define eglut-demo-rule
+$(1)_x11 $(1)_screen: $(1)_%: $(1).o $(EGLUT_DIR)/libeglut-%.a
+endef
+$(foreach demo, $(EGLUT_DEMOS), $(eval $(call eglut-demo-rule,$(demo))))
+
+# build EGLUT demos
+$(EGLUT_X11_DEMOS):
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< -L$(EGLUT_DIR) -leglut-$* $(VG_LIBS) -lX11
+$(EGLUT_SCREEN_DEMOS):                                                
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< -L$(EGLUT_DIR) -leglut-$* $(VG_LIBS)
+
+clean:
+	rm -f *.o *~
+	rm -f $(EGLUT_X11_DEMOS) $(EGLUT_SCREEN_DEMOS)
+	@$(MAKE) -C $(EGLUT_DIR) clean
diff --git a/progs/openvg/demos/lion-render.c b/progs/egl/openvg/lion-render.c
index f3f151f552..f3f151f552 100644
--- a/progs/openvg/demos/lion-render.c
+++ b/progs/egl/openvg/lion-render.c
diff --git a/progs/openvg/demos/lion-render.h b/progs/egl/openvg/lion-render.h
index c4c020b7ed..c4c020b7ed 100644
--- a/progs/openvg/demos/lion-render.h
+++ b/progs/egl/openvg/lion-render.h
diff --git a/progs/egl/openvg/lion.c b/progs/egl/openvg/lion.c
new file mode 100644
index 0000000000..c5dba4fcea
--- /dev/null
+++ b/progs/egl/openvg/lion.c
@@ -0,0 +1,65 @@
+#include <VG/openvg.h>
+#include <EGL/egl.h>
+
+#include "lion-render.h"
+#include "eglut.h"
+
+static VGint width, height;
+struct lion *lion = 0;
+VGfloat angle = 0;
+
+static void
+draw(void)
+{
+   vgClear(0, 0, width, height);
+
+   vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE);
+   vgLoadIdentity();
+   vgTranslate(width/2, height/2);
+   vgRotate(angle);
+   vgTranslate(-width/2, -height/2);
+
+   lion_render(lion);
+
+   ++angle;
+   eglutPostRedisplay();
+}
+
+
+/* new window size or exposure */
+static void
+reshape(int w, int h)
+{
+   width  = w;
+   height = h;
+}
+
+
+static void
+init(void)
+{
+   float clear_color[4] = {1.0, 1.0, 1.0, 1.0};
+   vgSetfv(VG_CLEAR_COLOR, 4, clear_color);
+
+   lion = lion_create();
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   eglutInitWindowSize(350, 450);
+   eglutInitAPIMask(EGLUT_OPENVG_BIT);
+   eglutInit(argc, argv);
+
+   eglutCreateWindow("Lion Example");
+
+   eglutReshapeFunc(reshape);
+   eglutDisplayFunc(draw);
+
+   init();
+
+   eglutMainLoop();
+
+   return 0;
+}
diff --git a/progs/openvg/demos/sp.c b/progs/egl/openvg/sp.c
index 424ec47d69..a20c0a3b4e 100644
--- a/progs/openvg/demos/sp.c
+++ b/progs/egl/openvg/sp.c
@@ -1,13 +1,9 @@
-#include "eglcommon.h"
-
 #include <VG/openvg.h>
 #include <VG/vgu.h>
-#include <stdio.h>
 #include <math.h>
-#include <stdlib.h>
 #include <string.h>
 
-#include <X11/keysym.h>
+#include "eglut.h"
 
 #define ELEMENTS(x) (sizeof(x)/sizeof((x)[0]))
 
@@ -475,36 +471,13 @@ reshape(int w, int h)
 {
 }
 
-static int
-key_press(unsigned key)
-{
-    switch(key) {
-    case XK_Right:
-
-        break;
-    case XK_Left:
-        break;
-    case XK_Up:
-        break;
-    case XK_Down:
-        break;
-    case 'a':
-        break;
-    case 's':
-        break;
-    default:
-        break;
-    }
-    return VG_FALSE;
-}
-
 static void
 draw(void)
 {
    VGint i;
    VGfloat save_matrix[9];
 
-   vgClear(0, 0, window_width(), window_height());
+   vgClear(0, 0, eglutGetWindowWidth(), eglutGetWindowHeight());
 
    vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE);
    vgLoadIdentity();
@@ -532,6 +505,18 @@ draw(void)
 
 int main(int argc, char **argv)
 {
-    set_window_size(400, 400);
-    return run(argc, argv, init, reshape, draw, key_press);
+   eglutInitWindowSize(400, 400);
+   eglutInitAPIMask(EGLUT_OPENVG_BIT);
+   eglutInit(argc, argv);
+
+   eglutCreateWindow("sp");
+
+   eglutReshapeFunc(reshape);
+   eglutDisplayFunc(draw);
+
+   init();
+
+   eglutMainLoop();
+
+   return 0;
 }
diff --git a/progs/openvg/trivial/Makefile b/progs/egl/openvg/trivial/Makefile
index fcb3484377..8f6d7abe89 100644
--- a/progs/openvg/trivial/Makefile
+++ b/progs/egl/openvg/trivial/Makefile
@@ -1,7 +1,8 @@
+# progs/egl/openvg/trivial/Makefile
 # These programs aren't intended to be included with the normal distro.
 # They're not too interesting but they're good for testing.
 
-TOP = ../../../
+TOP = ../../../..
 include $(TOP)/configs/current
 
 INCLUDES = -I. -I$(TOP)/include
diff --git a/progs/openvg/trivial/arc.c b/progs/egl/openvg/trivial/arc.c
index db686bea6b..db686bea6b 100644
--- a/progs/openvg/trivial/arc.c
+++ b/progs/egl/openvg/trivial/arc.c
diff --git a/progs/openvg/trivial/cap.c b/progs/egl/openvg/trivial/cap.c
index cd84fe3ac0..cd84fe3ac0 100644
--- a/progs/openvg/trivial/cap.c
+++ b/progs/egl/openvg/trivial/cap.c
diff --git a/progs/openvg/trivial/clear.c b/progs/egl/openvg/trivial/clear.c
index efb6bf4182..efb6bf4182 100644
--- a/progs/openvg/trivial/clear.c
+++ b/progs/egl/openvg/trivial/clear.c
diff --git a/progs/openvg/trivial/coord.c b/progs/egl/openvg/trivial/coord.c
index 81f7cb6fc9..81f7cb6fc9 100644
--- a/progs/openvg/trivial/coord.c
+++ b/progs/egl/openvg/trivial/coord.c
diff --git a/progs/openvg/trivial/dash.c b/progs/egl/openvg/trivial/dash.c
index 2e84ddbd4e..2e84ddbd4e 100644
--- a/progs/openvg/trivial/dash.c
+++ b/progs/egl/openvg/trivial/dash.c
diff --git a/progs/openvg/demos/eglcommon.c b/progs/egl/openvg/trivial/eglcommon.c
index 0316e596c6..0316e596c6 100644
--- a/progs/openvg/demos/eglcommon.c
+++ b/progs/egl/openvg/trivial/eglcommon.c
diff --git a/progs/openvg/demos/eglcommon.h b/progs/egl/openvg/trivial/eglcommon.h
index 958dae9f98..958dae9f98 100644
--- a/progs/openvg/demos/eglcommon.h
+++ b/progs/egl/openvg/trivial/eglcommon.h
diff --git a/progs/openvg/trivial/ellipse.c b/progs/egl/openvg/trivial/ellipse.c
index 4c7d4904f8..4c7d4904f8 100644
--- a/progs/openvg/trivial/ellipse.c
+++ b/progs/egl/openvg/trivial/ellipse.c
diff --git a/progs/openvg/trivial/filter.c b/progs/egl/openvg/trivial/filter.c
index d96257a933..d96257a933 100644
--- a/progs/openvg/trivial/filter.c
+++ b/progs/egl/openvg/trivial/filter.c
diff --git a/progs/openvg/trivial/gradorigin.c b/progs/egl/openvg/trivial/gradorigin.c
index b376263fe5..b376263fe5 100644
--- a/progs/openvg/trivial/gradorigin.c
+++ b/progs/egl/openvg/trivial/gradorigin.c
diff --git a/progs/openvg/trivial/lineto.c b/progs/egl/openvg/trivial/lineto.c
index 94e2981811..94e2981811 100644
--- a/progs/openvg/trivial/lineto.c
+++ b/progs/egl/openvg/trivial/lineto.c
diff --git a/progs/openvg/trivial/lingrad.c b/progs/egl/openvg/trivial/lingrad.c
index bcaad1f101..bcaad1f101 100644
--- a/progs/openvg/trivial/lingrad.c
+++ b/progs/egl/openvg/trivial/lingrad.c
diff --git a/progs/openvg/trivial/lookup.c b/progs/egl/openvg/trivial/lookup.c
index a103ba4488..a103ba4488 100644
--- a/progs/openvg/trivial/lookup.c
+++ b/progs/egl/openvg/trivial/lookup.c
diff --git a/progs/openvg/trivial/mask.c b/progs/egl/openvg/trivial/mask.c
index e5c00c5699..e5c00c5699 100644
--- a/progs/openvg/trivial/mask.c
+++ b/progs/egl/openvg/trivial/mask.c
diff --git a/progs/openvg/trivial/mask4.c b/progs/egl/openvg/trivial/mask4.c
index fe6db39648..fe6db39648 100644
--- a/progs/openvg/trivial/mask4.c
+++ b/progs/egl/openvg/trivial/mask4.c
diff --git a/progs/openvg/trivial/path3.c b/progs/egl/openvg/trivial/path3.c
index 5ce600f65a..5ce600f65a 100644
--- a/progs/openvg/trivial/path3.c
+++ b/progs/egl/openvg/trivial/path3.c
diff --git a/progs/openvg/trivial/radialgrad.c b/progs/egl/openvg/trivial/radialgrad.c
index cf3b1d522d..cf3b1d522d 100644
--- a/progs/openvg/trivial/radialgrad.c
+++ b/progs/egl/openvg/trivial/radialgrad.c
diff --git a/progs/openvg/trivial/readpixels.c b/progs/egl/openvg/trivial/readpixels.c
index c8e286db9a..c8e286db9a 100644
--- a/progs/openvg/trivial/readpixels.c
+++ b/progs/egl/openvg/trivial/readpixels.c
diff --git a/progs/openvg/trivial/roundedrect.c b/progs/egl/openvg/trivial/roundedrect.c
index c80a4ed299..c80a4ed299 100644
--- a/progs/openvg/trivial/roundedrect.c
+++ b/progs/egl/openvg/trivial/roundedrect.c
diff --git a/progs/openvg/trivial/star-nonzero.c b/progs/egl/openvg/trivial/star-nonzero.c
index 012fbd3929..012fbd3929 100644
--- a/progs/openvg/trivial/star-nonzero.c
+++ b/progs/egl/openvg/trivial/star-nonzero.c
diff --git a/progs/openvg/trivial/star-oddeven.c b/progs/egl/openvg/trivial/star-oddeven.c
index 17311cf720..17311cf720 100644
--- a/progs/openvg/trivial/star-oddeven.c
+++ b/progs/egl/openvg/trivial/star-oddeven.c
diff --git a/progs/openvg/trivial/stroke.c b/progs/egl/openvg/trivial/stroke.c
index 58ae5b7bc8..58ae5b7bc8 100644
--- a/progs/openvg/trivial/stroke.c
+++ b/progs/egl/openvg/trivial/stroke.c
diff --git a/progs/openvg/trivial/stroke2.c b/progs/egl/openvg/trivial/stroke2.c
index ce950c1886..ce950c1886 100644
--- a/progs/openvg/trivial/stroke2.c
+++ b/progs/egl/openvg/trivial/stroke2.c
diff --git a/progs/openvg/trivial/vguarc.c b/progs/egl/openvg/trivial/vguarc.c
index 8d971d5c09..8d971d5c09 100644
--- a/progs/openvg/trivial/vguarc.c
+++ b/progs/egl/openvg/trivial/vguarc.c
diff --git a/progs/egl/xegl_tri.c b/progs/egl/xegl_tri.c
deleted file mode 100644
index 1f1a005a21..0000000000
--- a/progs/egl/xegl_tri.c
+++ /dev/null
@@ -1,361 +0,0 @@
-/*
- * Copyright (C) 2008  Brian Paul   All Rights Reserved.
- * 
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- * 
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/*
- * Draw a triangle with X/EGL.
- * Brian Paul
- * 3 June 2008
- */
-
-
-#include <assert.h>
-#include <math.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/keysym.h>
-#include <GL/gl.h>  /* using full OpenGL for now */
-#include <GLES/egl.h>
-
-
-static GLfloat view_rotx = 0.0, view_roty = 0.0, view_rotz = 0.0;
-
-
-static void
-draw(void)
-{
-   static const GLfloat verts[3][2] = {
-      { -1, -1 },
-      {  1, -1 },
-      {  0,  1 }
-   };
-   static const GLfloat colors[3][3] = {
-      { 1, 0, 0 },
-      { 0, 1, 0 },
-      { 0, 0, 1 }
-   };
-
-   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
-   glPushMatrix();
-   glRotatef(view_rotx, 1, 0, 0);
-   glRotatef(view_roty, 0, 1, 0);
-   glRotatef(view_rotz, 0, 0, 1);
-
-   {
-      glVertexPointer(2, GL_FLOAT, 0, verts);
-      glColorPointer(3, GL_FLOAT, 0, colors);
-      glEnableClientState(GL_VERTEX_ARRAY);
-      glEnableClientState(GL_COLOR_ARRAY);
-
-      glDrawArrays(GL_TRIANGLES, 0, 3);
-
-      glDisableClientState(GL_VERTEX_ARRAY);
-      glDisableClientState(GL_COLOR_ARRAY);
-   }
-
-   glPopMatrix();
-}
-
-
-/* new window size or exposure */
-static void
-reshape(int width, int height)
-{
-   GLfloat ar = (GLfloat) width / (GLfloat) height;
-
-   glViewport(0, 0, (GLint) width, (GLint) height);
-
-   glMatrixMode(GL_PROJECTION);
-   glLoadIdentity();
-   glFrustum(-ar, ar, -1, 1, 5.0, 60.0);
-   
-   glMatrixMode(GL_MODELVIEW);
-   glLoadIdentity();
-   glTranslatef(0.0, 0.0, -10.0);
-}
-
-
-static void
-init(void)
-{
-   glClearColor(0.4, 0.4, 0.4, 0.0);
-}
-
-
-/*
- * Create an RGB, double-buffered X window.
- * Return the window and context handles.
- */
-static void
-make_x_window(Display *x_dpy, EGLDisplay egl_dpy,
-              const char *name,
-              int x, int y, int width, int height,
-              Window *winRet,
-              EGLContext *ctxRet,
-              EGLSurface *surfRet)
-{
-   static const EGLint attribs[] = {
-      EGL_RED_SIZE, 1,
-      EGL_GREEN_SIZE, 1,
-      EGL_BLUE_SIZE, 1,
-      EGL_DEPTH_SIZE, 1,
-      EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT,
-      EGL_NONE
-   };
-
-   int scrnum;
-   XSetWindowAttributes attr;
-   unsigned long mask;
-   Window root;
-   Window win;
-   XVisualInfo *visInfo, visTemplate;
-   int num_visuals;
-   EGLContext ctx;
-   EGLConfig config;
-   EGLint num_configs;
-   EGLint vid;
-
-   scrnum = DefaultScreen( x_dpy );
-   root = RootWindow( x_dpy, scrnum );
-
-   if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs) ||
-       !num_configs) {
-      printf("Error: couldn't get an EGL visual config\n");
-      exit(1);
-   }
-
-   assert(config);
-   assert(num_configs > 0);
-
-   if (!eglGetConfigAttrib(egl_dpy, config, EGL_NATIVE_VISUAL_ID, &vid)) {
-      printf("Error: eglGetConfigAttrib() failed\n");
-      exit(1);
-   }
-
-   /* The X window visual must match the EGL config */
-   visTemplate.visualid = vid;
-   visInfo = XGetVisualInfo(x_dpy, VisualIDMask, &visTemplate, &num_visuals);
-   if (!visInfo) {
-      printf("Error: couldn't get X visual\n");
-      exit(1);
-   }
-
-   /* window attributes */
-   attr.background_pixel = 0;
-   attr.border_pixel = 0;
-   attr.colormap = XCreateColormap( x_dpy, root, visInfo->visual, AllocNone);
-   attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
-   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
-
-   win = XCreateWindow( x_dpy, root, 0, 0, width, height,
-		        0, visInfo->depth, InputOutput,
-		        visInfo->visual, mask, &attr );
-
-   /* set hints and properties */
-   {
-      XSizeHints sizehints;
-      sizehints.x = x;
-      sizehints.y = y;
-      sizehints.width  = width;
-      sizehints.height = height;
-      sizehints.flags = USSize | USPosition;
-      XSetNormalHints(x_dpy, win, &sizehints);
-      XSetStandardProperties(x_dpy, win, name, name,
-                              None, (char **)NULL, 0, &sizehints);
-   }
-
-   eglBindAPI(EGL_OPENGL_API);
-
-   ctx = eglCreateContext(egl_dpy, config, EGL_NO_CONTEXT, NULL );
-   if (!ctx) {
-      printf("Error: glXCreateContext failed\n");
-      exit(1);
-   }
-
-   *surfRet = eglCreateWindowSurface(egl_dpy, config, win, NULL);
-
-   if (!*surfRet) {
-      printf("Error: eglCreateWindowSurface failed\n");
-      exit(1);
-   }
-
-   XFree(visInfo);
-
-   *winRet = win;
-   *ctxRet = ctx;
-}
-
-
-static void
-event_loop(Display *dpy, Window win,
-           EGLDisplay egl_dpy, EGLSurface egl_surf)
-{
-   while (1) {
-      int redraw = 0;
-      XEvent event;
-
-      XNextEvent(dpy, &event);
-
-      switch (event.type) {
-      case Expose:
-         redraw = 1;
-         break;
-      case ConfigureNotify:
-         reshape(event.xconfigure.width, event.xconfigure.height);
-         break;
-      case KeyPress:
-         {
-            char buffer[10];
-            int r, code;
-            code = XLookupKeysym(&event.xkey, 0);
-            if (code == XK_Left) {
-               view_roty += 5.0;
-            }
-            else if (code == XK_Right) {
-               view_roty -= 5.0;
-            }
-            else if (code == XK_Up) {
-               view_rotx += 5.0;
-            }
-            else if (code == XK_Down) {
-               view_rotx -= 5.0;
-            }
-            else {
-               r = XLookupString(&event.xkey, buffer, sizeof(buffer),
-                                 NULL, NULL);
-               if (buffer[0] == 27) {
-                  /* escape */
-                  return;
-               }
-            }
-         }
-         redraw = 1;
-         break;
-      default:
-         ; /*no-op*/
-      }
-
-      if (redraw) {
-         draw();
-         eglSwapBuffers(egl_dpy, egl_surf);
-      }
-   }
-}
-
-
-static void
-usage(void)
-{
-   printf("Usage:\n");
-   printf("  -display <displayname>  set the display to run on\n");
-   printf("  -info                   display OpenGL renderer info\n");
-}
- 
-
-int
-main(int argc, char *argv[])
-{
-   const int winWidth = 300, winHeight = 300;
-   Display *x_dpy;
-   Window win;
-   EGLSurface egl_surf;
-   EGLContext egl_ctx;
-   EGLDisplay egl_dpy;
-   char *dpyName = NULL;
-   GLboolean printInfo = GL_FALSE;
-   EGLint egl_major, egl_minor;
-   int i;
-   const char *s;
-
-   for (i = 1; i < argc; i++) {
-      if (strcmp(argv[i], "-display") == 0) {
-         dpyName = argv[i+1];
-         i++;
-      }
-      else if (strcmp(argv[i], "-info") == 0) {
-         printInfo = GL_TRUE;
-      }
-      else {
-         usage();
-         return -1;
-      }
-   }
-
-   x_dpy = XOpenDisplay(dpyName);
-   if (!x_dpy) {
-      printf("Error: couldn't open display %s\n",
-	     dpyName ? dpyName : getenv("DISPLAY"));
-      return -1;
-   }
-
-   egl_dpy = eglGetDisplay(x_dpy);
-   if (!egl_dpy) {
-      printf("Error: eglGetDisplay() failed\n");
-      return -1;
-   }
-
-   if (!eglInitialize(egl_dpy, &egl_major, &egl_minor)) {
-      printf("Error: eglInitialize() failed\n");
-      return -1;
-   }
-
-   s = eglQueryString(egl_dpy, EGL_VERSION);
-   printf("EGL_VERSION = %s\n", s);
-
-   make_x_window(x_dpy, egl_dpy,
-                 "xegl_tri", 0, 0, winWidth, winHeight,
-                 &win, &egl_ctx, &egl_surf);
-
-   XMapWindow(x_dpy, win);
-   if (!eglMakeCurrent(egl_dpy, egl_surf, egl_surf, egl_ctx)) {
-      printf("Error: eglMakeCurrent() failed\n");
-      return -1;
-   }
-
-   if (printInfo) {
-      printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
-      printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
-      printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
-   }
-
-   init();
-
-   /* Set initial projection/viewing transformation.
-    * We can't be sure we'll get a ConfigureNotify event when the window
-    * first appears.
-    */
-   reshape(winWidth, winHeight);
-
-   event_loop(x_dpy, win, egl_dpy, egl_surf);
-
-   eglDestroyContext(egl_dpy, egl_ctx);
-   eglDestroySurface(egl_dpy, egl_surf);
-   eglTerminate(egl_dpy);
-
-
-   XDestroyWindow(x_dpy, win);
-   XCloseDisplay(x_dpy);
-
-   return 0;
-}
diff --git a/progs/es1/.gitignore b/progs/es1/.gitignore
deleted file mode 100644
index 5e29a6b5fa..0000000000
--- a/progs/es1/.gitignore
+++ /dev/null
@@ -1,11 +0,0 @@
-screen/gears
-screen/tri
-xegl/bindtex
-xegl/drawtex
-xegl/es1_info
-xegl/msaa
-xegl/pbuffer
-xegl/render_tex
-xegl/torus
-xegl/tri
-xegl/two_win
diff --git a/progs/es1/screen/Makefile b/progs/es1/screen/Makefile
deleted file mode 100644
index 4ba2f9a7dc..0000000000
--- a/progs/es1/screen/Makefile
+++ /dev/null
@@ -1,32 +0,0 @@
-# progs/es1/screen/Makefile
-
-TOP = ../../..
-include $(TOP)/configs/current
-
-ES1_CFLAGS = -I$(TOP)/include
-ES1_LIBS = -L$(TOP)/$(LIB_DIR) -lEGL -lGLESv1_CM
-
-ES1_LIB_DEPS = \
-	$(TOP)/$(LIB_DIR)/libEGL.so \
-	$(TOP)/$(LIB_DIR)/libGLESv1_CM.so
-
-WINSYS_OBJS = winsys.o
-
-PROGRAMS = \
-	gears \
-	tri
-
-.c.o:
-	$(CC) -c $(ES1_CFLAGS) $(CFLAGS) $< -o $@
-
-default: $(PROGRAMS)
-
-gears: gears.o $(WINSYS_OBJS) $(ES1_LIB_DEPS)
-	$(CC) $(CFLAGS) -o $@ $@.o $(WINSYS_OBJS) $(ES1_LIBS)
-
-tri: tri.o $(WINSYS_OBJS) $(ES1_LIB_DEPS)
-	$(CC) $(CFLAGS) -o $@ $@.o $(WINSYS_OBJS) $(ES1_LIBS)
-
-clean:
-	-rm -f *.o *~
-	-rm -f $(PROGRAMS)
diff --git a/progs/es1/screen/winsys.c b/progs/es1/screen/winsys.c
deleted file mode 100644
index 84d00471eb..0000000000
--- a/progs/es1/screen/winsys.c
+++ /dev/null
@@ -1,272 +0,0 @@
-/*
- * Copyright (C) 2009 Chia-I Wu <olv@0xlab.org>
- *
- * Based on eglgears by
- * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <assert.h>
-#include <sys/time.h>
-
-#define EGL_EGLEXT_PROTOTYPES
-
-#include <EGL/egl.h>
-#include <EGL/eglext.h>
-
-#include "winsys.h"
-
-#define MAX_MODES 100
-
-static struct {
-   EGLBoolean verbose;
-
-   EGLDisplay dpy;
-   EGLConfig conf;
-
-   EGLScreenMESA screen;
-   EGLModeMESA mode;
-   EGLint width, height;
-
-   EGLContext ctx;
-   EGLSurface surf;
-} screen;
-
-
-static EGLBoolean
-init_screen(void)
-{
-   EGLModeMESA modes[MAX_MODES];
-   EGLint num_screens, num_modes;
-   EGLint width, height, best_mode;
-   EGLint i;
-
-   if (!eglGetScreensMESA(screen.dpy, &screen.screen, 1, &num_screens) ||
-       !num_screens) {
-      printf("eglGetScreensMESA failed\n");
-      return EGL_FALSE;
-   }
-
-   if (!eglGetModesMESA(screen.dpy, screen.screen, modes, MAX_MODES,
-                        &num_modes) ||
-       !num_modes) {
-      printf("eglGetModesMESA failed!\n");
-      return EGL_FALSE;
-   }
-
-   printf("Found %d modes:\n", num_modes);
-
-   best_mode = 0;
-   width = 0;
-   height = 0;
-   for (i = 0; i < num_modes; i++) {
-      EGLint w, h;
-      eglGetModeAttribMESA(screen.dpy, modes[i], EGL_WIDTH, &w);
-      eglGetModeAttribMESA(screen.dpy, modes[i], EGL_HEIGHT, &h);
-      printf("%3d: %d x %d\n", i, w, h);
-      if (w > width && h > height) {
-         width = w;
-         height = h;
-         best_mode = i;
-      }
-   }
-
-   screen.mode = modes[best_mode];
-   screen.width = width;
-   screen.height = height;
-
-   return EGL_TRUE;
-}
-
-
-static EGLBoolean
-init_display(void)
-{
-   EGLint maj, min;
-   const char *exts;
-   const EGLint attribs[] = {
-      EGL_SURFACE_TYPE, 0x0,    /* should be EGL_SCREEN_BIT_MESA */
-      EGL_RENDERABLE_TYPE, 0x0, /* should be EGL_OPENGL_ES_BIT */
-      EGL_NONE
-   };
-   EGLint num_configs;
-
-   screen.dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
-   if (!screen.dpy) {
-      printf("eglGetDisplay failed\n");
-      return EGL_FALSE;
-   }
-
-   if (!eglInitialize(screen.dpy, &maj, &min)) {
-      printf("eglInitialize failed\n");
-      return EGL_FALSE;
-   }
-
-   printf("EGL_VERSION = %s\n", eglQueryString(screen.dpy, EGL_VERSION));
-   printf("EGL_VENDOR = %s\n", eglQueryString(screen.dpy, EGL_VENDOR));
-
-   exts = eglQueryString(screen.dpy, EGL_EXTENSIONS);
-   assert(exts);
-
-   if (!strstr(exts, "EGL_MESA_screen_surface")) {
-      printf("EGL_MESA_screen_surface is not supported\n");
-      return EGL_FALSE;
-   }
-
-   if (!eglChooseConfig(screen.dpy, attribs, &screen.conf, 1,
-                        &num_configs) ||
-       !num_configs) {
-      printf("eglChooseConfig failed\n");
-      return EGL_FALSE;
-   }
-
-   return EGL_TRUE;
-}
-
-
-EGLBoolean
-winsysInitScreen(void)
-{
-        EGLint surf_attribs[20];
-        EGLint i;
-        EGLBoolean ok;
-
-        if (!init_display())
-           goto fail;
-        if (!init_screen())
-           goto fail;
-
-        /* create context */
-	screen.ctx = eglCreateContext(screen.dpy, screen.conf,
-                                      EGL_NO_CONTEXT, NULL);
-	if (screen.ctx == EGL_NO_CONTEXT) {
-		printf("eglCreateContext failed\n");
-                goto fail;
-	}
-
-	i = 0;
-	surf_attribs[i++] = EGL_WIDTH;
-	surf_attribs[i++] = screen.width;
-	surf_attribs[i++] = EGL_HEIGHT;
-	surf_attribs[i++] = screen.height;
-	surf_attribs[i++] = EGL_NONE;
-
-        /* create surface */
-        printf("Using screen size: %d x %d\n", screen.width, screen.height);
-        screen.surf = eglCreateScreenSurfaceMESA(screen.dpy, screen.conf,
-                                                 surf_attribs);
-	if (screen.surf == EGL_NO_SURFACE) {
-		printf("eglCreateScreenSurfaceMESA failed\n");
-                goto fail;
-	}
-
-	ok = eglMakeCurrent(screen.dpy, screen.surf, screen.surf, screen.ctx);
-	if (!ok) {
-		printf("eglMakeCurrent failed\n");
-		goto fail;
-	}
-
-	ok = eglShowScreenSurfaceMESA(screen.dpy, screen.screen,
-                                      screen.surf, screen.mode);
-	if (!ok) {
-		printf("eglShowScreenSurfaceMESA failed\n");
-                goto fail;
-	}
-
-        return EGL_TRUE;
-
-fail:
-        winsysFiniScreen();
-        return EGL_FALSE;
-}
-
-
-EGLBoolean
-winsysQueryScreenSize(EGLint *width, EGLint *height)
-{
-   if (!screen.dpy)
-      return EGL_FALSE;
-
-   if (width)
-      *width = screen.width;
-   if (height)
-      *height = screen.height;
-
-   return EGL_TRUE;
-}
-
-
-void
-winsysFiniScreen(void)
-{
-   if (screen.dpy) {
-      eglMakeCurrent(screen.dpy, EGL_NO_SURFACE, EGL_NO_SURFACE,
-                     EGL_NO_CONTEXT);
-      if (screen.surf != EGL_NO_SURFACE)
-         eglDestroySurface(screen.dpy, screen.surf);
-      if (screen.ctx != EGL_NO_CONTEXT)
-         eglDestroyContext(screen.dpy, screen.ctx);
-      eglTerminate(screen.dpy);
-
-      memset(&screen, 0, sizeof(screen));
-   }
-}
-
-
-void
-winsysSwapBuffers(void)
-{
-   eglSwapBuffers(screen.dpy, screen.surf);
-}
-
-
-/* return current time (in seconds) */
-double
-winsysNow(void)
-{
-   struct timeval tv;
-   gettimeofday(&tv, NULL);
-   return (double) tv.tv_sec + tv.tv_usec / 1000000.0;
-}
-
-
-void
-winsysRun(double seconds, void (*draw_frame)(void *data), void *data)
-{
-        double begin, end, last_frame, duration;
-	EGLint num_frames = 0;
-
-        begin = winsysNow();
-        end = begin + seconds;
-
-        last_frame = begin;
-        while (last_frame < end) {
-           draw_frame(data);
-           winsysSwapBuffers();
-           last_frame = winsysNow();
-           num_frames++;
-        }
-
-        duration = last_frame - begin;
-	printf("%d frames in %3.1f seconds = %6.3f FPS\n",
-               num_frames, duration, (double) num_frames / duration);
-}
diff --git a/progs/es1/screen/winsys.h b/progs/es1/screen/winsys.h
deleted file mode 100644
index 679c7e0bd6..0000000000
--- a/progs/es1/screen/winsys.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Copyright (C) 2009 Chia-I Wu <olv@0xlab.org>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#ifndef _WINSYS_H_
-#define _WINSYS_H_
-
-#include <EGL/egl.h>
-
-EGLBoolean winsysInitScreen(void);
-EGLBoolean winsysQueryScreenSize(EGLint *width, EGLint *height);
-void winsysFiniScreen(void);
-
-void winsysSwapBuffers(void);
-double winsysNow(void);
-
-void winsysRun(double seconds, void (*draw_frame)(void *data), void *data);
-
-#endif /* _WINSYS_H_ */
diff --git a/progs/es1/xegl/Makefile b/progs/es1/xegl/Makefile
deleted file mode 100644
index 6869c44306..0000000000
--- a/progs/es1/xegl/Makefile
+++ /dev/null
@@ -1,82 +0,0 @@
-# progs/es1/xegl/Makefile
-
-TOP = ../../..
-include $(TOP)/configs/current
-
-
-INCLUDE_DIRS = \
-	-I$(TOP)/include \
-
-HEADERS = $(TOP)/include/GLES/egl.h
-
-
-ES1_LIB_DEPS = \
-	$(TOP)/$(LIB_DIR)/libEGL.so \
-	$(TOP)/$(LIB_DIR)/libGLESv1_CM.so
-
-
-ES1_LIBS = \
-	-L$(TOP)/$(LIB_DIR) -lEGL \
-	-L$(TOP)/$(LIB_DIR) -lGLESv1_CM $(LIBDRM_LIB) -lX11
-
-PROGRAMS = \
-	bindtex \
-	drawtex \
-	es1_info \
-	msaa \
-	pbuffer \
-	render_tex \
-	torus \
-	tri \
-	two_win
-
-
-.c.o:
-	$(CC) -c $(INCLUDE_DIRS) $(CFLAGS) $< -o $@
-
-
-
-default: $(PROGRAMS)
-
-
-
-bindtex: bindtex.o $(ES1_LIB_DEPS)
-	$(CC) $(CFLAGS) bindtex.o $(ES1_LIBS) -o $@
-
-
-drawtex: drawtex.o $(ES1_LIB_DEPS)
-	$(CC) $(CFLAGS) drawtex.o $(ES1_LIBS) -o $@
-
-
-es1_info: es1_info.o $(ES1_LIB_DEPS)
-	$(CC) $(CFLAGS) es1_info.o $(ES1_LIBS) -o $@
-
-
-msaa: msaa.o $(ES1_LIB_DEPS)
-	$(CC) $(CFLAGS) msaa.o $(ES1_LIBS) -o $@
-
-
-pbuffer: pbuffer.o $(ES1_LIB_DEPS)
-	$(CC) $(CFLAGS) pbuffer.o $(ES1_LIBS) -o $@
-
-
-render_tex: render_tex.o $(ES1_LIB_DEPS)
-	$(CC) $(CFLAGS) render_tex.o $(ES1_LIBS) -o $@
-
-
-torus: torus.o $(ES1_LIB_DEPS)
-	$(CC) $(CFLAGS) torus.o $(ES1_LIBS) -o $@
-
-
-two_win: two_win.o $(ES1_LIB_DEPS)
-	$(CC) $(CFLAGS) two_win.o $(ES1_LIBS) -o $@
-
-
-tri: tri.o $(ES1_LIB_DEPS)
-	$(CC) $(CFLAGS) tri.o $(ES1_LIBS) -o $@
-
-
-clean:
-	rm -f *.o *~
-	rm -f $(PROGRAMS)
-
diff --git a/progs/es1/xegl/drawtex.c b/progs/es1/xegl/drawtex.c
deleted file mode 100644
index ca0615e267..0000000000
--- a/progs/es1/xegl/drawtex.c
+++ /dev/null
@@ -1,427 +0,0 @@
-/*
- * Copyright (C) 2008  Tunsgten Graphics,Inc.   All Rights Reserved.
- */
-
-/*
- * Test GL_OES_draw_texture
- * Brian Paul
- * August 2008
- */
-
-#define GL_GLEXT_PROTOTYPES
-
-#include <assert.h>
-#include <math.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/keysym.h>
-#include <GLES/gl.h>
-#include <GLES/glext.h>
-#include <EGL/egl.h>
-
-
-
-static GLfloat view_posx = 10.0, view_posy = 20.0;
-static GLfloat width = 200, height = 200;
-
-
-static void
-draw(void)
-{
-   glClear(GL_COLOR_BUFFER_BIT);
-
-   glDrawTexfOES(view_posx, view_posy, 0.0, width, height);
-}
-
-
-/* new window size or exposure */
-static void
-reshape(int width, int height)
-{
-   GLfloat ar = (GLfloat) width / (GLfloat) height;
-
-   glViewport(0, 0, (GLint) width, (GLint) height);
-
-   glMatrixMode(GL_PROJECTION);
-   glLoadIdentity();
-
-#ifdef GL_VERSION_ES_CM_1_0
-   glFrustumf(-ar, ar, -1, 1, 5.0, 60.0);
-#else
-   glFrustum(-ar, ar, -1, 1, 5.0, 60.0);
-#endif
-   
-   glMatrixMode(GL_MODELVIEW);
-   glLoadIdentity();
-   glTranslatef(0.0, 0.0, -15.0);
-}
-
-
-static float
-dist(GLuint i, GLuint j, float x, float y)
-{
-   return sqrt((i-x) * (i-x) + (j-y) * (j-y));
-}
-
-static void
-make_smile_texture(void)
-{
-#define SZ 128
-   GLenum Filter = GL_LINEAR;
-   GLubyte image[SZ][SZ][4];
-   GLuint i, j;
-   GLint cropRect[4];
-
-   for (i = 0; i < SZ; i++) {
-      for (j = 0; j < SZ; j++) {
-         GLfloat d_mouth = dist(i, j, SZ/2, SZ/2);
-         GLfloat d_rt_eye = dist(i, j, SZ*3/4, SZ*3/4);
-         GLfloat d_lt_eye = dist(i, j, SZ*3/4, SZ*1/4);
-         if (d_rt_eye < SZ / 8 || d_lt_eye < SZ / 8) {
-            image[i][j][0] = 20;
-            image[i][j][1] = 50;
-            image[i][j][2] = 255;
-            image[i][j][3] = 255;
-         }
-         else if (i < SZ/2 && d_mouth < SZ/3) {
-            image[i][j][0] = 255;
-            image[i][j][1] = 20;
-            image[i][j][2] = 20;
-            image[i][j][3] = 255;
-         }
-         else {
-            image[i][j][0] = 200;
-            image[i][j][1] = 200;
-            image[i][j][2] = 200;
-            image[i][j][3] = 255;
-         }
-      }
-   }
-
-   glActiveTexture(GL_TEXTURE0); /* unit 0 */
-   glBindTexture(GL_TEXTURE_2D, 42);
-   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, SZ, SZ, 0,
-                GL_RGBA, GL_UNSIGNED_BYTE, image);
-   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, Filter);
-   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, Filter);
-   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
-   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
-
-   cropRect[0] = 0;
-   cropRect[1] = 0;
-   cropRect[2] = SZ;
-   cropRect[3] = SZ;
-   glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, cropRect);
-#undef SZ
-}
-
-
-
-static void
-init(void)
-{
-   const char *ext = (char *) glGetString(GL_EXTENSIONS);
-
-   if (!strstr(ext, "GL_OES_draw_texture")) {
-      fprintf(stderr, "Sorry, this program requires GL_OES_draw_texture");
-      exit(1);
-   }
-
-   glClearColor(0.4, 0.4, 0.4, 0.0);
-
-   make_smile_texture();
-   glEnable(GL_TEXTURE_2D);
-}
-
-
-/*
- * Create an RGB, double-buffered X window.
- * Return the window and context handles.
- */
-static void
-make_x_window(Display *x_dpy, EGLDisplay egl_dpy,
-              const char *name,
-              int x, int y, int width, int height,
-              Window *winRet,
-              EGLContext *ctxRet,
-              EGLSurface *surfRet)
-{
-   static const EGLint attribs[] = {
-      EGL_RED_SIZE, 1,
-      EGL_GREEN_SIZE, 1,
-      EGL_BLUE_SIZE, 1,
-      EGL_NONE
-   };
-
-   int scrnum;
-   XSetWindowAttributes attr;
-   unsigned long mask;
-   Window root;
-   Window win;
-   XVisualInfo *visInfo, visTemplate;
-   int num_visuals;
-   EGLContext ctx;
-   EGLConfig config;
-   EGLint num_configs;
-   EGLint vid;
-
-   scrnum = DefaultScreen( x_dpy );
-   root = RootWindow( x_dpy, scrnum );
-
-   if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs)) {
-      printf("Error: couldn't get an EGL visual config\n");
-      exit(1);
-   }
-
-   assert(config);
-   assert(num_configs > 0);
-
-   if (!eglGetConfigAttrib(egl_dpy, config, EGL_NATIVE_VISUAL_ID, &vid)) {
-      printf("Error: eglGetConfigAttrib() failed\n");
-      exit(1);
-   }
-
-   /* The X window visual must match the EGL config */
-   visTemplate.visualid = vid;
-   visInfo = XGetVisualInfo(x_dpy, VisualIDMask, &visTemplate, &num_visuals);
-   if (!visInfo) {
-      printf("Error: couldn't get X visual\n");
-      exit(1);
-   }
-
-   /* window attributes */
-   attr.background_pixel = 0;
-   attr.border_pixel = 0;
-   attr.colormap = XCreateColormap( x_dpy, root, visInfo->visual, AllocNone);
-   attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
-   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
-
-   win = XCreateWindow( x_dpy, root, 0, 0, width, height,
-		        0, visInfo->depth, InputOutput,
-		        visInfo->visual, mask, &attr );
-
-   /* set hints and properties */
-   {
-      XSizeHints sizehints;
-      sizehints.x = x;
-      sizehints.y = y;
-      sizehints.width  = width;
-      sizehints.height = height;
-      sizehints.flags = USSize | USPosition;
-      XSetNormalHints(x_dpy, win, &sizehints);
-      XSetStandardProperties(x_dpy, win, name, name,
-                              None, (char **)NULL, 0, &sizehints);
-   }
-
-   eglBindAPI(EGL_OPENGL_ES_API);
-
-   ctx = eglCreateContext(egl_dpy, config, EGL_NO_CONTEXT, NULL );
-   if (!ctx) {
-      printf("Error: eglCreateContext failed\n");
-      exit(1);
-   }
-
-   *surfRet = eglCreateWindowSurface(egl_dpy, config, win, NULL);
-
-   if (!*surfRet) {
-      printf("Error: eglCreateWindowSurface failed\n");
-      exit(1);
-   }
-
-   XFree(visInfo);
-
-   *winRet = win;
-   *ctxRet = ctx;
-}
-
-
-static void
-event_loop(Display *dpy, Window win,
-           EGLDisplay egl_dpy, EGLSurface egl_surf)
-{
-   int anim = 0;
-
-   while (1) {
-      int redraw = 0;
-
-      if (!anim || XPending(dpy)) {
-         XEvent event;
-         XNextEvent(dpy, &event);
-
-         switch (event.type) {
-         case Expose:
-            redraw = 1;
-            break;
-         case ConfigureNotify:
-            reshape(event.xconfigure.width, event.xconfigure.height);
-            break;
-         case KeyPress:
-            {
-               char buffer[10];
-               int r, code;
-               code = XLookupKeysym(&event.xkey, 0);
-               if (code == XK_Left) {
-               view_posx -= 1.0;
-               }
-               else if (code == XK_Right) {
-                  view_posx += 1.0;
-               }
-               else if (code == XK_Up) {
-                  view_posy += 1.0;
-               }
-               else if (code == XK_Down) {
-                  view_posy -= 1.0;
-               }
-               else {
-                  r = XLookupString(&event.xkey, buffer, sizeof(buffer),
-                                    NULL, NULL);
-                  if (buffer[0] == ' ') {
-                     anim = !anim;
-                  }
-                  else if (buffer[0] == 'w') {
-                     width -= 1.0f;
-                  }
-                  else if (buffer[0] == 'W') {
-                     width += 1.0f;
-                  }
-                  else if (buffer[0] == 'h') {
-                     height -= 1.0f;
-                  }
-                  else if (buffer[0] == 'H') {
-                     height += 1.0f;
-                  }
-                  else if (buffer[0] == 27) {
-                     /* escape */
-                     return;
-                  }
-               }
-            }
-            redraw = 1;
-            break;
-         default:
-            ; /*no-op*/
-         }
-      }
-
-      if (anim) {
-         view_posx += 1.0;
-         view_posy += 2.0;
-         redraw = 1;
-      }
-
-      if (redraw) {
-         draw();
-         eglSwapBuffers(egl_dpy, egl_surf);
-      }
-   }
-}
-
-
-static void
-usage(void)
-{
-   printf("Usage:\n");
-   printf("  -display <displayname>  set the display to run on\n");
-   printf("  -info                   display OpenGL renderer info\n");
-}
- 
-
-int
-main(int argc, char *argv[])
-{
-   const int winWidth = 400, winHeight = 300;
-   Display *x_dpy;
-   Window win;
-   EGLSurface egl_surf;
-   EGLContext egl_ctx;
-   EGLDisplay egl_dpy;
-   char *dpyName = NULL;
-   GLboolean printInfo = GL_FALSE;
-   EGLint egl_major, egl_minor;
-   int i;
-   const char *s;
-
-   for (i = 1; i < argc; i++) {
-      if (strcmp(argv[i], "-display") == 0) {
-         dpyName = argv[i+1];
-         i++;
-      }
-      else if (strcmp(argv[i], "-info") == 0) {
-         printInfo = GL_TRUE;
-      }
-      else {
-         usage();
-         return -1;
-      }
-   }
-
-   x_dpy = XOpenDisplay(dpyName);
-   if (!x_dpy) {
-      printf("Error: couldn't open display %s\n",
-	     dpyName ? dpyName : getenv("DISPLAY"));
-      return -1;
-   }
-
-   egl_dpy = eglGetDisplay(x_dpy);
-   if (!egl_dpy) {
-      printf("Error: eglGetDisplay() failed\n");
-      return -1;
-   }
-
-   if (!eglInitialize(egl_dpy, &egl_major, &egl_minor)) {
-      printf("Error: eglInitialize() failed\n");
-      return -1;
-   }
-
-   s = eglQueryString(egl_dpy, EGL_VERSION);
-   printf("EGL_VERSION = %s\n", s);
-
-   s = eglQueryString(egl_dpy, EGL_VENDOR);
-   printf("EGL_VENDOR = %s\n", s);
-
-   s = eglQueryString(egl_dpy, EGL_EXTENSIONS);
-   printf("EGL_EXTENSIONS = %s\n", s);
-
-   s = eglQueryString(egl_dpy, EGL_CLIENT_APIS);
-   printf("EGL_CLIENT_APIS = %s\n", s);
-
-   make_x_window(x_dpy, egl_dpy,
-                 "drawtex", 0, 0, winWidth, winHeight,
-                 &win, &egl_ctx, &egl_surf);
-
-   XMapWindow(x_dpy, win);
-   if (!eglMakeCurrent(egl_dpy, egl_surf, egl_surf, egl_ctx)) {
-      printf("Error: eglMakeCurrent() failed\n");
-      return -1;
-   }
-
-   if (printInfo) {
-      printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
-      printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
-      printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
-      printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
-   }
-
-   init();
-
-   /* Set initial projection/viewing transformation.
-    * We can't be sure we'll get a ConfigureNotify event when the window
-    * first appears.
-    */
-   reshape(winWidth, winHeight);
-
-   event_loop(x_dpy, win, egl_dpy, egl_surf);
-
-   eglDestroyContext(egl_dpy, egl_ctx);
-   eglDestroySurface(egl_dpy, egl_surf);
-   eglTerminate(egl_dpy);
-
-
-   XDestroyWindow(x_dpy, win);
-   XCloseDisplay(x_dpy);
-
-   return 0;
-}
diff --git a/progs/es1/xegl/tri.c b/progs/es1/xegl/tri.c
deleted file mode 100644
index 42a978207c..0000000000
--- a/progs/es1/xegl/tri.c
+++ /dev/null
@@ -1,470 +0,0 @@
-/*
- * Copyright (C) 2008  Brian Paul   All Rights Reserved.
- * 
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- * 
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/*
- * Draw a triangle with X/EGL and OpenGL ES 1.x
- * Brian Paul
- * 5 June 2008
- */
-
-#define USE_FULL_GL 0
-
-#define USE_FIXED_POINT 0
-
-
-#include <assert.h>
-#include <math.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/keysym.h>
-#if USE_FULL_GL
-#include <GL/gl.h>  /* use full OpenGL */
-#else
-#include <GLES/gl.h>  /* use OpenGL ES 1.x */
-#include <GLES/glext.h>
-#endif
-#include <EGL/egl.h>
-
-
-#define FLOAT_TO_FIXED(X)   ((X) * 65535.0)
-
-
-
-static GLfloat view_rotx = 0.0, view_roty = 0.0, view_rotz = 0.0;
-
-
-static void
-draw(void)
-{
-#if USE_FIXED_POINT
-   static const GLfixed verts[3][2] = {
-      { -65536, -65536 },
-      {  65536, -65536 },
-      {      0,  65536 }
-   };
-   static const GLfixed colors[3][4] = {
-      { 65536,     0,     0,    65536 },
-      {     0, 65536,     0 ,   65536},
-      {     0,     0, 65536 ,   65536}
-   };
-#else
-   static const GLfloat verts[3][2] = {
-      { -1, -1 },
-      {  1, -1 },
-      {  0,  1 }
-   };
-   static const GLfloat colors[3][4] = {
-      { 1, 0, 0, 1 },
-      { 0, 1, 0, 1 },
-      { 0, 0, 1, 1 }
-   };
-#endif
-
-   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
-   glPushMatrix();
-   glRotatef(view_rotx, 1, 0, 0);
-   glRotatef(view_roty, 0, 1, 0);
-   glRotatef(view_rotz, 0, 0, 1);
-
-   {
-#if USE_FIXED_POINT
-      glVertexPointer(2, GL_FIXED, 0, verts);
-      glColorPointer(4, GL_FIXED, 0, colors);
-#else
-      glVertexPointer(2, GL_FLOAT, 0, verts);
-      glColorPointer(4, GL_FLOAT, 0, colors);
-#endif
-      glEnableClientState(GL_VERTEX_ARRAY);
-      glEnableClientState(GL_COLOR_ARRAY);
-
-      /* draw triangle */
-      glDrawArrays(GL_TRIANGLES, 0, 3);
-
-      /* draw some points */
-      glPointSizex(FLOAT_TO_FIXED(15.5));
-      glDrawArrays(GL_POINTS, 0, 3);
-
-      glDisableClientState(GL_VERTEX_ARRAY);
-      glDisableClientState(GL_COLOR_ARRAY);
-   }
-
-   if (0) {
-      /* test code */
-      GLfixed size;
-      glGetFixedv(GL_POINT_SIZE, &size);
-      printf("GL_POINT_SIZE = 0x%x %f\n", size, size / 65536.0);
-   }
-
-   glPopMatrix();
-}
-
-
-/* new window size or exposure */
-static void
-reshape(int width, int height)
-{
-   GLfloat ar = (GLfloat) width / (GLfloat) height;
-
-   glViewport(0, 0, (GLint) width, (GLint) height);
-
-   glMatrixMode(GL_PROJECTION);
-   glLoadIdentity();
-#ifdef GL_VERSION_ES_CM_1_0
-   glFrustumf(-ar, ar, -1, 1, 5.0, 60.0);
-#else
-   glFrustum(-ar, ar, -1, 1, 5.0, 60.0);
-#endif
-   
-   glMatrixMode(GL_MODELVIEW);
-   glLoadIdentity();
-   glTranslatef(0.0, 0.0, -10.0);
-}
-
-
-static void
-test_query_matrix(void)
-{
-   PFNGLQUERYMATRIXXOESPROC procQueryMatrixx;
-   typedef void (*voidproc)();
-   GLfixed mantissa[16];
-   GLint exponent[16];
-   GLbitfield rv;
-   int i;
-
-   procQueryMatrixx = (PFNGLQUERYMATRIXXOESPROC) eglGetProcAddress("glQueryMatrixxOES");
-   assert(procQueryMatrixx);
-   /* Actually try out this one */
-   rv = (*procQueryMatrixx)(mantissa, exponent);
-   for (i = 0; i < 16; i++) {
-      if (rv & (1<<i)) {
-        printf("matrix[%d] invalid\n", i);
-      }
-      else {
-         printf("matrix[%d] = %f * 2^(%d)\n", i, mantissa[i]/65536.0, exponent[i]);
-      }
-   }
-   assert(!eglGetProcAddress("glFoo"));
-}
-
-
-static void
-init(void)
-{
-   glClearColor(0.4, 0.4, 0.4, 0.0);
-
-   if (0)
-      test_query_matrix();
-}
-
-
-/*
- * Create an RGB, double-buffered X window.
- * Return the window and context handles.
- */
-static void
-make_x_window(Display *x_dpy, EGLDisplay egl_dpy,
-              const char *name,
-              int x, int y, int width, int height,
-              Window *winRet,
-              EGLContext *ctxRet,
-              EGLSurface *surfRet)
-{
-   static const EGLint attribs[] = {
-      EGL_RED_SIZE, 1,
-      EGL_GREEN_SIZE, 1,
-      EGL_BLUE_SIZE, 1,
-      EGL_DEPTH_SIZE, 1,
-      EGL_NONE
-   };
-
-   int scrnum;
-   XSetWindowAttributes attr;
-   unsigned long mask;
-   Window root;
-   Window win;
-   XVisualInfo *visInfo, visTemplate;
-   int num_visuals;
-   EGLContext ctx;
-   EGLConfig config;
-   EGLint num_configs;
-   EGLint vid;
-
-   scrnum = DefaultScreen( x_dpy );
-   root = RootWindow( x_dpy, scrnum );
-
-   if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs)) {
-      printf("Error: couldn't get an EGL visual config\n");
-      exit(1);
-   }
-
-   assert(config);
-   assert(num_configs > 0);
-
-   if (!eglGetConfigAttrib(egl_dpy, config, EGL_NATIVE_VISUAL_ID, &vid)) {
-      printf("Error: eglGetConfigAttrib() failed\n");
-      exit(1);
-   }
-
-   /* The X window visual must match the EGL config */
-   visTemplate.visualid = vid;
-   visInfo = XGetVisualInfo(x_dpy, VisualIDMask, &visTemplate, &num_visuals);
-   if (!visInfo) {
-      printf("Error: couldn't get X visual\n");
-      exit(1);
-   }
-
-   /* window attributes */
-   attr.background_pixel = 0;
-   attr.border_pixel = 0;
-   attr.colormap = XCreateColormap( x_dpy, root, visInfo->visual, AllocNone);
-   attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
-   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
-
-   win = XCreateWindow( x_dpy, root, 0, 0, width, height,
-		        0, visInfo->depth, InputOutput,
-		        visInfo->visual, mask, &attr );
-
-   /* set hints and properties */
-   {
-      XSizeHints sizehints;
-      sizehints.x = x;
-      sizehints.y = y;
-      sizehints.width  = width;
-      sizehints.height = height;
-      sizehints.flags = USSize | USPosition;
-      XSetNormalHints(x_dpy, win, &sizehints);
-      XSetStandardProperties(x_dpy, win, name, name,
-                              None, (char **)NULL, 0, &sizehints);
-   }
-
-#if USE_FULL_GL
-   eglBindAPI(EGL_OPENGL_API);
-#else
-   eglBindAPI(EGL_OPENGL_ES_API);
-#endif
-
-   ctx = eglCreateContext(egl_dpy, config, EGL_NO_CONTEXT, NULL );
-   if (!ctx) {
-      printf("Error: eglCreateContext failed\n");
-      exit(1);
-   }
-
-   *surfRet = eglCreateWindowSurface(egl_dpy, config, win, NULL);
-
-   if (!*surfRet) {
-      printf("Error: eglCreateWindowSurface failed\n");
-      exit(1);
-   }
-
-   XFree(visInfo);
-
-   *winRet = win;
-   *ctxRet = ctx;
-}
-
-
-static void
-event_loop(Display *dpy, Window win,
-           EGLDisplay egl_dpy, EGLSurface egl_surf)
-{
-   while (1) {
-      int redraw = 0;
-      XEvent event;
-
-      XNextEvent(dpy, &event);
-
-      switch (event.type) {
-      case Expose:
-         redraw = 1;
-         break;
-      case ConfigureNotify:
-         reshape(event.xconfigure.width, event.xconfigure.height);
-         break;
-      case KeyPress:
-         {
-            char buffer[10];
-            int r, code;
-            code = XLookupKeysym(&event.xkey, 0);
-            if (code == XK_Left) {
-               view_roty += 5.0;
-            }
-            else if (code == XK_Right) {
-               view_roty -= 5.0;
-            }
-            else if (code == XK_Up) {
-               view_rotx += 5.0;
-            }
-            else if (code == XK_Down) {
-               view_rotx -= 5.0;
-            }
-            else {
-               r = XLookupString(&event.xkey, buffer, sizeof(buffer),
-                                 NULL, NULL);
-               if (buffer[0] == 27) {
-                  /* escape */
-                  return;
-               }
-            }
-         }
-         redraw = 1;
-         break;
-      default:
-         ; /*no-op*/
-      }
-
-      if (redraw) {
-         draw();
-         eglSwapBuffers(egl_dpy, egl_surf);
-      }
-   }
-}
-
-
-static void
-usage(void)
-{
-   printf("Usage:\n");
-   printf("  -display <displayname>  set the display to run on\n");
-   printf("  -info                   display OpenGL renderer info\n");
-}
- 
-
-int
-main(int argc, char *argv[])
-{
-   const int winWidth = 300, winHeight = 300;
-   Display *x_dpy;
-   Window win;
-   EGLSurface egl_surf;
-   EGLContext egl_ctx;
-   EGLDisplay egl_dpy;
-   char *dpyName = NULL;
-   GLboolean printInfo = GL_FALSE;
-   EGLint egl_major, egl_minor;
-   int i;
-   const char *s;
-
-   static struct {
-      char *name;
-      GLenum value;
-      enum {GetString, GetInteger} type;
-   } info_items[] = {
-      {"GL_RENDERER", GL_RENDERER, GetString},
-      {"GL_VERSION", GL_VERSION, GetString},
-      {"GL_VENDOR", GL_VENDOR, GetString},
-      {"GL_EXTENSIONS", GL_EXTENSIONS, GetString},
-      {"GL_MAX_PALETTE_MATRICES_OES", GL_MAX_PALETTE_MATRICES_OES, GetInteger},
-      {"GL_MAX_VERTEX_UNITS_OES", GL_MAX_VERTEX_UNITS_OES, GetInteger},
-   };
-
-   for (i = 1; i < argc; i++) {
-      if (strcmp(argv[i], "-display") == 0) {
-         dpyName = argv[i+1];
-         i++;
-      }
-      else if (strcmp(argv[i], "-info") == 0) {
-         printInfo = GL_TRUE;
-      }
-      else {
-         usage();
-         return -1;
-      }
-   }
-
-   x_dpy = XOpenDisplay(dpyName);
-   if (!x_dpy) {
-      printf("Error: couldn't open display %s\n",
-	     dpyName ? dpyName : getenv("DISPLAY"));
-      return -1;
-   }
-
-   egl_dpy = eglGetDisplay(x_dpy);
-   if (!egl_dpy) {
-      printf("Error: eglGetDisplay() failed\n");
-      return -1;
-   }
-
-   if (!eglInitialize(egl_dpy, &egl_major, &egl_minor)) {
-      printf("Error: eglInitialize() failed\n");
-      return -1;
-   }
-
-   s = eglQueryString(egl_dpy, EGL_VERSION);
-   printf("EGL_VERSION = %s\n", s);
-
-   s = eglQueryString(egl_dpy, EGL_VENDOR);
-   printf("EGL_VENDOR = %s\n", s);
-
-   s = eglQueryString(egl_dpy, EGL_EXTENSIONS);
-   printf("EGL_EXTENSIONS = %s\n", s);
-
-   s = eglQueryString(egl_dpy, EGL_CLIENT_APIS);
-   printf("EGL_CLIENT_APIS = %s\n", s);
-
-   make_x_window(x_dpy, egl_dpy,
-                 "OpenGL ES 1.x tri", 0, 0, winWidth, winHeight,
-                 &win, &egl_ctx, &egl_surf);
-
-   XMapWindow(x_dpy, win);
-   if (!eglMakeCurrent(egl_dpy, egl_surf, egl_surf, egl_ctx)) {
-      printf("Error: eglMakeCurrent() failed\n");
-      return -1;
-   }
-
-   if (printInfo) {
-      for (i = 0; i < sizeof(info_items)/sizeof(info_items[0]); i++) {
-         switch (info_items[i].type) {
-            case GetString:
-               printf("%s = %s\n", info_items[i].name, (char *)glGetString(info_items[i].value));
-               break;
-            case GetInteger: {
-               GLint rv = -1;
-               glGetIntegerv(info_items[i].value, &rv);
-               printf("%s = %d\n", info_items[i].name, rv);
-               break;
-            }
-         }
-      }
-   };
-   init();
-
-   /* Set initial projection/viewing transformation.
-    * We can't be sure we'll get a ConfigureNotify event when the window
-    * first appears.
-    */
-   reshape(winWidth, winHeight);
-
-   event_loop(x_dpy, win, egl_dpy, egl_surf);
-
-   eglDestroyContext(egl_dpy, egl_ctx);
-   eglDestroySurface(egl_dpy, egl_surf);
-   eglTerminate(egl_dpy);
-
-
-   XDestroyWindow(x_dpy, win);
-   XCloseDisplay(x_dpy);
-
-   return 0;
-}
diff --git a/progs/es2/.gitignore b/progs/es2/.gitignore
deleted file mode 100644
index 7d5c16936c..0000000000
--- a/progs/es2/.gitignore
+++ /dev/null
@@ -1,3 +0,0 @@
-xegl/es2_info.c
-xegl/es2_info
-xegl/tri
diff --git a/progs/fpglsl/dowhile.glsl b/progs/fpglsl/dowhile.glsl
new file mode 100644
index 0000000000..ed9d729675
--- /dev/null
+++ b/progs/fpglsl/dowhile.glsl
@@ -0,0 +1,8 @@
+void main() {
+    float sum = 0.0;
+    do {
+	sum += 0.1;
+	break;
+    } while (true);
+    gl_FragColor = vec4(sum);
+}
diff --git a/progs/fpglsl/dowhile2.glsl b/progs/fpglsl/dowhile2.glsl
new file mode 100644
index 0000000000..f3e00b8e86
--- /dev/null
+++ b/progs/fpglsl/dowhile2.glsl
@@ -0,0 +1,10 @@
+void main() {
+    float sum = 0.0;
+    do {
+	sum += 0.1;
+	if (sum < 0.499999)
+	    continue;
+	break;
+    } while (true);
+    gl_FragColor = vec4(sum);
+}
diff --git a/progs/fpglsl/for.glsl b/progs/fpglsl/for.glsl
new file mode 100644
index 0000000000..862ca8bd6c
--- /dev/null
+++ b/progs/fpglsl/for.glsl
@@ -0,0 +1,11 @@
+uniform int KernelSizeInt;
+
+void main() {
+    int i;
+    vec4 sum = vec4(0.0);
+    for (i = 0; i < KernelSizeInt; ++i) {
+	sum.g += 0.25;
+    }
+    sum.a = 1.0;
+    gl_FragColor = sum;
+}
diff --git a/progs/fpglsl/forbreak.glsl b/progs/fpglsl/forbreak.glsl
new file mode 100644
index 0000000000..0b8d957cb0
--- /dev/null
+++ b/progs/fpglsl/forbreak.glsl
@@ -0,0 +1,13 @@
+uniform int KernelSizeInt;
+
+void main() {
+    int i;
+    vec4 sum = vec4(0.0);
+    for (i = 0; i < KernelSizeInt; ++i) {
+	sum.g += 0.25;
+        if (i > 0)
+           break;
+    }
+    sum.a = 1.0;
+    gl_FragColor = sum;
+}
diff --git a/progs/fpglsl/fp-tri.c b/progs/fpglsl/fp-tri.c
index c9b08fbbad..8af09845dd 100644
--- a/progs/fpglsl/fp-tri.c
+++ b/progs/fpglsl/fp-tri.c
@@ -129,6 +129,11 @@ static void setup_uniforms()
    }
 
    {
+      GLint loci = glGetUniformLocationARB(program, "KernelSizeInt");
+      if (loci >= 0)
+         glUniform1i(loci, 4);
+   }
+   {
       GLint loc1f = glGetUniformLocationARB(program, "KernelValue1f");
       GLint loc2f = glGetUniformLocationARB(program, "KernelValue2f");
       GLint loc4f = glGetUniformLocationARB(program, "KernelValue4f");
diff --git a/progs/fpglsl/simpleif.glsl b/progs/fpglsl/simpleif.glsl
new file mode 100644
index 0000000000..922421b410
--- /dev/null
+++ b/progs/fpglsl/simpleif.glsl
@@ -0,0 +1,6 @@
+void main() {
+    // this should always be true
+    if (gl_FragCoord.x >= 0.0) {
+	gl_FragColor = vec4(0.5, 0.0, 0.5, 1.0);
+    }
+}
diff --git a/progs/fpglsl/while.glsl b/progs/fpglsl/while.glsl
new file mode 100644
index 0000000000..05fb860ddc
--- /dev/null
+++ b/progs/fpglsl/while.glsl
@@ -0,0 +1,7 @@
+void main() {
+    float sum = 0.0;
+    while (sum < 0.499999) {
+	sum += 0.1;
+    }
+    gl_FragColor = vec4(sum);
+}
diff --git a/progs/fpglsl/while2.glsl b/progs/fpglsl/while2.glsl
new file mode 100644
index 0000000000..19c8904e28
--- /dev/null
+++ b/progs/fpglsl/while2.glsl
@@ -0,0 +1,9 @@
+void main() {
+    float sum = 0.0;
+    while (true) {
+	sum += 0.1;
+        if (sum > 0.8)
+           break;
+    }
+    gl_FragColor = vec4(sum);
+}
diff --git a/progs/gallium/python/retrace/interpreter.py b/progs/gallium/python/retrace/interpreter.py
index b30469dfae..1a96181255 100755
--- a/progs/gallium/python/retrace/interpreter.py
+++ b/progs/gallium/python/retrace/interpreter.py
@@ -551,7 +551,6 @@ class Context(Object):
                 data = vbuf.buffer.read()
                 values = unpack_from(format, data, offset)
                 sys.stdout.write('\t\t{' + ', '.join(map(str, values)) + '},\n')
-                assert len(values) == velem.nr_components
             sys.stdout.write('\t},\n')
         sys.stdout.flush()
 
diff --git a/progs/gallium/python/samples/tri.py b/progs/gallium/python/samples/tri.py
index d7fbdb10ac..8cc272db81 100644
--- a/progs/gallium/python/samples/tri.py
+++ b/progs/gallium/python/samples/tri.py
@@ -30,19 +30,19 @@
 from gallium import *
 
 
-def make_image(surface):
-    data = surface.get_tile_rgba8(0, 0, surface.width, surface.height)
+def make_image(ctx, surface):
+    data = ctx.surface_read_rgba8(surface, 0, 0, surface.width, surface.height)
 
     import Image
     outimage = Image.fromstring('RGBA', (surface.width, surface.height), data, "raw", 'RGBA', 0, 1)
     return outimage
 
-def save_image(filename, surface):
-    outimage = make_image(surface)
+def save_image(ctx, surface, filename):
+    outimage = make_image(ctx, surface)
     outimage.save(filename, "PNG")
 
-def show_image(surface):
-    outimage = make_image(surface)
+def show_image(ctx, surface):
+    outimage = make_image(ctx, surface)
     
     import Tkinter as tk
     from PIL import Image, ImageTk
@@ -128,6 +128,7 @@ def test(dev):
     scissor.maxy = height
     ctx.set_scissor(scissor)
 
+    # clip
     clip = Clip()
     clip.nr = 0
     ctx.set_clip(clip)
@@ -216,10 +217,10 @@ def test(dev):
 
     ctx.flush()
     
-    show_image(cbuf)
-    #show_image(zbuf)
-    #save_image('cbuf.png', cbuf)
-    #save_image('zbuf.png', zbuf)
+    show_image(ctx, cbuf)
+    show_image(ctx, zbuf)
+    save_image(ctx, cbuf, 'cbuf.png')
+    save_image(ctx, zbuf, 'zbuf.png')
 
 
 
diff --git a/progs/gallium/python/tests/base.py b/progs/gallium/python/tests/base.py
index bd82f50811..d8cf84db36 100755
--- a/progs/gallium/python/tests/base.py
+++ b/progs/gallium/python/tests/base.py
@@ -43,18 +43,9 @@ from gallium import *
 # Enumerate all pixel formats
 formats = {}
 for name, value in globals().items():
-    if name.startswith("PIPE_FORMAT_") and isinstance(value, int):
+    if name.startswith("PIPE_FORMAT_") and isinstance(value, int) and name not in ("PIPE_FORMAT_NONE", "PIPE_FORMAT_COUNT"):
         formats[value] = name
 
-def is_depth_stencil_format(format):
-    # FIXME: make and use binding to util_format_is_depth_or_stencil
-    return format in (
-        PIPE_FORMAT_Z32_UNORM,
-        PIPE_FORMAT_S8Z24_UNORM,
-        PIPE_FORMAT_X8Z24_UNORM,
-        PIPE_FORMAT_Z16_UNORM,
-    )
-
 def make_image(width, height, rgba):
     import Image
     outimage = Image.new(
@@ -125,18 +116,18 @@ class Test:
     def run(self):
         result = TestResult()
         self._run(result)
-        result.summary()
+        result.report()
 
-    def assert_rgba(self, surface, x, y, w, h, expected_rgba, pixel_tol=4.0/256, surface_tol=0.85):
+    def assert_rgba(self, ctx, surface, x, y, w, h, expected_rgba, pixel_tol=4.0/256, surface_tol=0.85):
         total = h*w
-        different = surface.compare_tile_rgba(x, y, w, h, expected_rgba, tol=pixel_tol)
+        different = ctx.surface_compare_rgba(surface, x, y, w, h, expected_rgba, tol=pixel_tol)
         if different:
             sys.stderr.write("%u out of %u pixels differ\n" % (different, total))
 
         if float(total - different)/float(total) < surface_tol:
             if 0:
                 rgba = FloatArray(h*w*4)
-                surface.get_tile_rgba(x, y, w, h, rgba)
+                ctx.surface_read_rgba(surface, x, y, w, h, rgba)
                 show_image(w, h, Result=rgba, Expected=expected_rgba)
                 save_image(w, h, rgba, "result.png")
                 save_image(w, h, expected_rgba, "expected.png")
@@ -259,7 +250,7 @@ class TestResult:
         sys.stdout.write("SKIP\n")
         sys.stdout.flush()
         self.skipped += 1
-        #self.log_result(test, 'skip')
+        self.log_result(test, 'skip')
         
     def test_failed(self, test):
         sys.stdout.write("FAIL\n")
@@ -305,11 +296,16 @@ class TestResult:
         
         self.rows.append(row)
 
-    def summary(self):
+    def report(self):
         sys.stdout.write("%u tests, %u passed, %u skipped, %u failed\n\n" % (self.tests, self.passed, self.skipped, self.failed))
         sys.stdout.flush()
 
         name, ext = os.path.splitext(os.path.basename(sys.argv[0]))
+
+        tree = self.report_tree(name)
+        self.report_junit(name, stdout=tree)
+
+    def report_tree(self, name):
         filename = name + '.tsv'
         stream = file(filename, 'wt')
 
@@ -320,6 +316,8 @@ class TestResult:
 
         # rows
         for row in self.rows:
+            if row[0] == 'skip':
+                continue
             row += ['']*(len(self.names) - len(row))
             stream.write('\t'.join(row) + '\n')
 
@@ -331,7 +329,7 @@ class TestResult:
             import orngTree
         except ImportError:
             sys.stderr.write('Install Orange from http://www.ailab.si/orange/ for a classification tree.\n')
-            return
+            return None
 
         data = orange.ExampleTable(filename)
 
@@ -339,6 +337,63 @@ class TestResult:
 
         orngTree.printTxt(tree, maxDepth=4)
 
-        file(name+'.txt', 'wt').write(orngTree.dumpTree(tree))
+        text_tree = orngTree.dumpTree(tree)
+
+        file(name + '.txt', 'wt').write(text_tree)
 
         orngTree.printDot(tree, fileName=name+'.dot', nodeShape='ellipse', leafShape='box')
+
+        return text_tree
+    
+    def report_junit(self, name, stdout=None, stderr=None):
+        """Write test results in ANT's junit XML format, to use with Hudson CI.
+
+        See also:
+        - http://fisheye.hudson-ci.org/browse/Hudson/trunk/hudson/main/core/src/test/resources/hudson/tasks/junit
+        - http://www.junit.org/node/399
+        - http://wiki.apache.org/ant/Proposals/EnhancedTestReports
+        """
+
+        stream = file(name + '.xml', 'wt')
+
+        stream.write('<?xml version="1.0" encoding="UTF-8" ?>\n')
+        stream.write('<testsuite name="%s">\n' % self.escape_xml(name))
+        stream.write('  <properties>\n')
+        stream.write('  </properties>\n')
+
+        names = self.names[1:]
+
+        for row in self.rows:
+
+            test_name = ' '.join(['%s=%s' % pair for pair in zip(self.names[1:], row[1:])])
+
+            stream.write('  <testcase name="%s">\n' % (self.escape_xml(test_name)))
+
+            result = row[0]
+            if result == 'pass':
+                pass
+            elif result == 'skip':
+                stream.write('    <skipped/>\n')
+            else:
+                stream.write('    <failure/>\n')
+            
+            stream.write('  </testcase>\n')
+
+        if stdout:
+            stream.write('  <system-out>%s</system-out>\n' % self.escape_xml(stdout))
+        if stderr:
+            stream.write('  <system-err>%s</system-err>\n' % self.escape_xml(stderr))
+
+        stream.write('</testsuite>\n')
+
+        stream.close()
+
+    def escape_xml(self, s):
+        '''Escape a XML string.'''
+        s = s.replace('&', '&amp;')
+        s = s.replace('<', '&lt;')
+        s = s.replace('>', '&gt;')
+        s = s.replace('"', '&quot;')
+        s = s.replace("'", '&apos;')
+        return s
+
diff --git a/progs/gallium/python/tests/surface_copy.py b/progs/gallium/python/tests/surface_copy.py
index a3f1b3e130..3eefa690bd 100755
--- a/progs/gallium/python/tests/surface_copy.py
+++ b/progs/gallium/python/tests/surface_copy.py
@@ -27,6 +27,9 @@
 ##########################################################################
 
 
+import os
+import random
+
 from gallium import *
 from base import *
 
@@ -56,6 +59,7 @@ class TextureTest(TestCase):
 
     def test(self):
         dev = self.dev
+        ctx = self.ctx
         
         target = self.target
         format = self.format
@@ -67,6 +71,14 @@ class TextureTest(TestCase):
         level = self.level
         zslice = self.zslice
         
+        tex_usage = PIPE_TEXTURE_USAGE_SAMPLER
+        geom_flags = 0
+        if not dev.is_format_supported(format, target, tex_usage, geom_flags):
+            raise TestSkip
+
+        if not dev.is_format_supported(format, target, tex_usage, geom_flags):
+            raise TestSkip
+
         #  textures
         dst_texture = dev.texture_create(
             target = target,
@@ -75,10 +87,8 @@ class TextureTest(TestCase):
             height = height,
             depth = depth, 
             last_level = last_level,
-            tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET,
+            tex_usage = tex_usage,
         )
-        if dst_texture is None:
-            raise TestSkip
 
         dst_surface = dst_texture.get_surface(face = face, level = level, zslice = zslice)
         
@@ -94,60 +104,33 @@ class TextureTest(TestCase):
 
         src_surface = src_texture.get_surface()
         
-        x = 0
-        y = 0
         w = dst_surface.width
         h = dst_surface.height
 
-        # ???
-        stride = pf_get_stride(texture->format, w)
-        size = pf_get_nblocksy(texture->format) * stride
+        stride = util_format_get_stride(format, w)
+        size = util_format_get_nblocksy(format, h) * stride
         src_raw = os.urandom(size)
 
-        src_surface.put_tile_raw(0, 0, w, h, src_raw, stride)
+        ctx.surface_write_raw(src_surface, 0, 0, w, h, src_raw, stride)
 
-        ctx = self.dev.context_create()
-    
         ctx.surface_copy(dst_surface, 0, 0, 
                          src_surface, 0, 0, w, h)
     
-        ctx.flush()
-
-        dst_raw = dst_surface.get_tile_raw(0, 0, w, h)
+        dst_raw = ctx.surface_read_raw(dst_surface, 0, 0, w, h)
 
         if dst_raw != src_raw:
             raise TestFailure
-        
 
 
 def main():
     dev = Device()
+    ctx = dev.context_create()
     suite = TestSuite()
     
     targets = [
         PIPE_TEXTURE_2D,
         PIPE_TEXTURE_CUBE,
-        #PIPE_TEXTURE_3D,
-    ]
-    
-    formats = [
-        PIPE_FORMAT_B8G8R8A8_UNORM,
-        PIPE_FORMAT_B8G8R8X8_UNORM,
-        PIPE_FORMAT_B8G8R8A8_SRGB,
-        PIPE_FORMAT_B5G6R5_UNORM,
-        PIPE_FORMAT_B5G5R5A1_UNORM,
-        PIPE_FORMAT_B4G4R4A4_UNORM,
-        PIPE_FORMAT_Z32_UNORM,
-        PIPE_FORMAT_S8Z24_UNORM,
-        PIPE_FORMAT_X8Z24_UNORM,
-        PIPE_FORMAT_Z16_UNORM,
-        PIPE_FORMAT_S8_UNORM,
-        PIPE_FORMAT_A8_UNORM,
-        PIPE_FORMAT_L8_UNORM,
-        PIPE_FORMAT_DXT1_RGB,
-        PIPE_FORMAT_DXT1_RGBA,
-        PIPE_FORMAT_DXT3_RGBA,
-        PIPE_FORMAT_DXT5_RGBA,
+        PIPE_TEXTURE_3D,
     ]
     
     sizes = [64, 32, 16, 8, 4, 2, 1]
@@ -164,35 +147,52 @@ def main():
         PIPE_TEX_FACE_NEG_Z,
     ]
 
-    for target in targets:
-        for format in formats:
-            for size in sizes:
-                if target == PIPE_TEXTURE_3D:
-                    depth = size
-                else:
-                    depth = 1
-                for face in faces:
-                    if target != PIPE_TEXTURE_CUBE and face:
-                        continue
-                    levels = lods(size)
-                    for last_level in range(levels):
-                        for level in range(0, last_level + 1):
-                            zslice = 0
-                            while zslice < depth >> level:
-                                test = TextureTest(
-                                    dev = dev,
-                                    target = target,
-                                    format = format, 
-                                    width = size,
-                                    height = size,
-                                    depth = depth,
-                                    last_level = last_level,
-                                    face = face,
-                                    level = level,
-                                    zslice = zslice,
-                                )
-                                suite.add_test(test)
-                                zslice = (zslice + 1)*2 - 1
+    try:
+        n = int(sys.argv[1])
+    except:
+        n = 10000
+    
+    for i in range(n):
+        format = random.choice(formats.keys())
+        if not util_format_is_depth_or_stencil(format):
+            is_depth_or_stencil = util_format_is_depth_or_stencil(format)
+
+            if is_depth_or_stencil:
+                target = PIPE_TEXTURE_2D
+            else:
+                target = random.choice(targets)
+            
+            size = random.choice(sizes)
+
+            if target == PIPE_TEXTURE_3D:
+                depth = size
+            else:
+                depth = 1
+
+            if target == PIPE_TEXTURE_CUBE:
+                face = random.choice(faces)
+            else:
+                face = PIPE_TEX_FACE_POS_X
+
+            levels = lods(size)
+            last_level = random.randint(0, levels - 1)
+            level = random.randint(0, last_level)
+            zslice = random.randint(0, max(depth >> level, 1) - 1)
+
+            test = TextureTest(
+                dev = dev,
+                ctx = ctx,
+                target = target,
+                format = format, 
+                width = size,
+                height = size,
+                depth = depth,
+                last_level = last_level,
+                face = face,
+                level = level,
+                zslice = zslice,
+            )
+            suite.add_test(test)
     suite.run()
 
 
diff --git a/progs/gallium/python/tests/texture_sample.py b/progs/gallium/python/tests/texture_blit.py
index 49545c2e07..a68c081931 100755
--- a/progs/gallium/python/tests/texture_sample.py
+++ b/progs/gallium/python/tests/texture_blit.py
@@ -28,6 +28,8 @@
 ##########################################################################
 
 
+import random
+
 from gallium import *
 from base import *
 
@@ -115,6 +117,7 @@ class TextureColorSampleTest(TestCase):
 
     def test(self):
         dev = self.dev
+        ctx = self.ctx
         
         target = self.target
         format = self.format
@@ -125,6 +128,8 @@ class TextureColorSampleTest(TestCase):
         face = self.face
         level = self.level
         zslice = self.zslice
+        minz = 0.0
+        maxz = 1.0
         
         tex_usage = PIPE_TEXTURE_USAGE_SAMPLER
         geom_flags = 0
@@ -136,8 +141,6 @@ class TextureColorSampleTest(TestCase):
         if not dev.is_format_supported(format, target, tex_usage, geom_flags):
             raise TestSkip
         
-        ctx = self.dev.context_create()
-    
         # disabled blending/masking
         blend = Blend()
         blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE
@@ -155,7 +158,6 @@ class TextureColorSampleTest(TestCase):
         rasterizer = Rasterizer()
         rasterizer.front_winding = PIPE_WINDING_CW
         rasterizer.cull_mode = PIPE_WINDING_NONE
-        rasterizer.bypass_vs_clip_and_viewport = 1
         ctx.set_rasterizer(rasterizer)
     
         # samplers
@@ -183,14 +185,45 @@ class TextureColorSampleTest(TestCase):
         )
         
         expected_rgba = FloatArray(height*width*4) 
-        texture.get_surface(
+        surface = texture.get_surface(
             face = face,
             level = level,
             zslice = zslice,
-        ).sample_rgba(expected_rgba)
+        )
+        
+        ctx.surface_sample_rgba(surface, expected_rgba, True)
         
         ctx.set_fragment_sampler_texture(0, texture)
 
+        # viewport
+        viewport = Viewport()
+        scale = FloatArray(4)
+        scale[0] = width
+        scale[1] = height
+        scale[2] = (maxz - minz) / 2.0
+        scale[3] = 1.0
+        viewport.scale = scale
+        translate = FloatArray(4)
+        translate[0] = 0.0
+        translate[1] = 0.0
+        translate[2] = (maxz - minz) / 2.0
+        translate[3] = 0.0
+        viewport.translate = translate
+        ctx.set_viewport(viewport)
+
+        # scissor
+        scissor = Scissor()
+        scissor.minx = 0
+        scissor.miny = 0
+        scissor.maxx = width
+        scissor.maxy = height
+        ctx.set_scissor(scissor)
+
+        # clip
+        clip = Clip()
+        clip.nr = 0
+        ctx.set_clip(clip)
+
         #  framebuffer 
         cbuf_tex = dev.texture_create(
             PIPE_FORMAT_B8G8R8A8_UNORM, 
@@ -265,8 +298,8 @@ class TextureColorSampleTest(TestCase):
     
         for i in range(0, 4):
             j = 8*i
-            verts[j + 0] = pos[i][0] # x
-            verts[j + 1] = pos[i][1] # y
+            verts[j + 0] = pos[i][0]/float(width) # x
+            verts[j + 1] = pos[i][1]/float(height) # y
             verts[j + 2] = 0.0 # z
             verts[j + 3] = 1.0 # w
             verts[j + 4] = tex[i][0] # s
@@ -283,7 +316,7 @@ class TextureColorSampleTest(TestCase):
     
         cbuf = cbuf_tex.get_surface()
         
-        self.assert_rgba(cbuf, x, y, w, h, expected_rgba, 4.0/256, 0.85)
+        self.assert_rgba(ctx, cbuf, x, y, w, h, expected_rgba, 4.0/256, 0.85)
         
 
 class TextureDepthSampleTest(TestCase):
@@ -302,6 +335,7 @@ class TextureDepthSampleTest(TestCase):
 
     def test(self):
         dev = self.dev
+        ctx = self.ctx
         
         target = self.target
         format = self.format
@@ -312,6 +346,8 @@ class TextureDepthSampleTest(TestCase):
         face = self.face
         level = self.level
         zslice = self.zslice
+        minz = 0.0
+        maxz = 1.0
         
         tex_usage = PIPE_TEXTURE_USAGE_SAMPLER
         geom_flags = 0
@@ -323,8 +359,6 @@ class TextureDepthSampleTest(TestCase):
         if not dev.is_format_supported(format, target, tex_usage, geom_flags):
             raise TestSkip
         
-        ctx = self.dev.context_create()
-    
         # disabled blending/masking
         blend = Blend()
         blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE
@@ -345,9 +379,24 @@ class TextureDepthSampleTest(TestCase):
         rasterizer = Rasterizer()
         rasterizer.front_winding = PIPE_WINDING_CW
         rasterizer.cull_mode = PIPE_WINDING_NONE
-        rasterizer.bypass_vs_clip_and_viewport = 1
         ctx.set_rasterizer(rasterizer)
     
+        # viewport
+        viewport = Viewport()
+        scale = FloatArray(4)
+        scale[0] = width
+        scale[1] = height
+        scale[2] = (maxz - minz) / 2.0
+        scale[3] = 1.0
+        viewport.scale = scale
+        translate = FloatArray(4)
+        translate[0] = 0.0
+        translate[1] = 0.0
+        translate[2] = (maxz - minz) / 2.0
+        translate[3] = 0.0
+        viewport.translate = translate
+        ctx.set_viewport(viewport)
+
         # samplers
         sampler = Sampler()
         sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE
@@ -373,14 +422,29 @@ class TextureDepthSampleTest(TestCase):
         )
         
         expected_rgba = FloatArray(height*width*4) 
-        texture.get_surface(
+        surface = texture.get_surface(
             face = face,
             level = level,
             zslice = zslice,
-        ).sample_rgba(expected_rgba)
+        )
+
+        ctx.surface_sample_rgba(surface, expected_rgba, True)
         
         ctx.set_fragment_sampler_texture(0, texture)
 
+        # scissor
+        scissor = Scissor()
+        scissor.minx = 0
+        scissor.miny = 0
+        scissor.maxx = width
+        scissor.maxy = height
+        ctx.set_scissor(scissor)
+
+        # clip
+        clip = Clip()
+        clip.nr = 0
+        ctx.set_clip(clip)
+
         #  framebuffer 
         cbuf_tex = dev.texture_create(
             PIPE_FORMAT_B8G8R8A8_UNORM, 
@@ -464,8 +528,8 @@ class TextureDepthSampleTest(TestCase):
     
         for i in range(0, 4):
             j = 8*i
-            verts[j + 0] = pos[i][0] # x
-            verts[j + 1] = pos[i][1] # y
+            verts[j + 0] = pos[i][0]/float(width) # x
+            verts[j + 1] = pos[i][1]/float(height) # y
             verts[j + 2] = 0.0 # z
             verts[j + 3] = 1.0 # w
             verts[j + 4] = tex[i][0] # s
@@ -482,13 +546,16 @@ class TextureDepthSampleTest(TestCase):
     
         zsbuf = zsbuf_tex.get_surface()
         
-        self.assert_rgba(zsbuf, x, y, w, h, expected_rgba, 4.0/256, 0.85)
+        self.assert_rgba(ctx, zsbuf, x, y, w, h, expected_rgba, 4.0/256, 0.85)
         
 
 
 
 def main():
+    random.seed(0xdead3eef)
+
     dev = Device()
+    ctx = dev.context_create()
     suite = TestSuite()
     
     targets = [
@@ -497,32 +564,9 @@ def main():
         PIPE_TEXTURE_3D,
     ]
     
-    color_formats = [
-        PIPE_FORMAT_B8G8R8A8_UNORM,
-        PIPE_FORMAT_B8G8R8X8_UNORM,
-        #PIPE_FORMAT_B8G8R8A8_SRGB,
-        PIPE_FORMAT_B5G6R5_UNORM,
-        PIPE_FORMAT_B5G5R5A1_UNORM,
-        PIPE_FORMAT_B4G4R4A4_UNORM,
-        PIPE_FORMAT_A8_UNORM,
-        PIPE_FORMAT_L8_UNORM,
-        PIPE_FORMAT_UYVY,
-        PIPE_FORMAT_DXT1_RGB,
-        #PIPE_FORMAT_DXT1_RGBA,
-        #PIPE_FORMAT_DXT3_RGBA,
-        #PIPE_FORMAT_DXT5_RGBA,
-    ]
-    
-    depth_formats = [
-        PIPE_FORMAT_Z32_UNORM,
-        PIPE_FORMAT_S8Z24_UNORM,
-        PIPE_FORMAT_X8Z24_UNORM,
-        PIPE_FORMAT_Z16_UNORM,
-    ]
-    
-    sizes = [64, 32, 16, 8, 4, 2, 1]
+    #sizes = [64, 32, 16, 8, 4, 2, 1]
     #sizes = [1020, 508, 252, 62, 30, 14, 6, 3]
-    #sizes = [64]
+    sizes = [64]
     #sizes = [63]
     
     faces = [
@@ -534,45 +578,46 @@ def main():
         PIPE_TEX_FACE_NEG_Z,
     ]
 
-    for format in color_formats:
-        for target in targets:
-            for size in sizes:
-                if target == PIPE_TEXTURE_3D:
-                    depth = size
-                else:
-                    depth = 1
-                for face in faces:
-                    if target != PIPE_TEXTURE_CUBE and face:
-                        continue
-                    levels = lods(size)
-                    for last_level in range(levels):
-                        for level in range(0, last_level + 1):
-                            zslice = 0
-                            while zslice < depth >> level:
-                                test = TextureColorSampleTest(
-                                    dev = dev,
-                                    target = target,
-                                    format = format, 
-                                    width = size,
-                                    height = size,
-                                    depth = depth,
-                                    last_level = last_level,
-                                    face = face,
-                                    level = level,
-                                    zslice = zslice,
-                                )
-                                suite.add_test(test)
-                                zslice = (zslice + 1)*2 - 1
-    for format in depth_formats:
-        target = PIPE_TEXTURE_2D
-        depth = 1
-        face = 0
-        last_level = 0
-        level = 0
-        zslice = 0
-        for size in sizes:
-            test = TextureDepthSampleTest(
+    try:
+        n = int(sys.argv[1])
+    except:
+        n = 10000
+    
+    for i in range(n):
+        format = random.choice(formats.keys())
+        if not util_format_is_depth_or_stencil(format):
+            is_depth_or_stencil = util_format_is_depth_or_stencil(format)
+
+            if is_depth_or_stencil:
+                target = PIPE_TEXTURE_2D
+            else:
+                target = random.choice(targets)
+            
+            size = random.choice(sizes)
+
+            if target == PIPE_TEXTURE_3D:
+                depth = size
+            else:
+                depth = 1
+
+            if target == PIPE_TEXTURE_CUBE:
+                face = random.choice(faces)
+            else:
+                face = PIPE_TEX_FACE_POS_X
+
+            levels = lods(size)
+            last_level = random.randint(0, levels - 1)
+            level = random.randint(0, last_level)
+            zslice = random.randint(0, max(depth >> level, 1) - 1)
+
+            if is_depth_or_stencil:
+                klass = TextureDepthSampleTest
+            else:
+                klass = TextureColorSampleTest
+
+            test = klass(
                 dev = dev,
+                ctx = ctx,
                 target = target,
                 format = format, 
                 width = size,
diff --git a/progs/gallium/python/tests/texture_render.py b/progs/gallium/python/tests/texture_render.py
index 1e26639db6..12def7ec72 100755
--- a/progs/gallium/python/tests/texture_render.py
+++ b/progs/gallium/python/tests/texture_render.py
@@ -258,10 +258,10 @@ def main():
         PIPE_FORMAT_B5G5R5A1_UNORM,
         PIPE_FORMAT_B4G4R4A4_UNORM,
         #PIPE_FORMAT_Z32_UNORM,
-        #PIPE_FORMAT_S8Z24_UNORM,
+        #PIPE_FORMAT_S8_USCALED_Z24_UNORM,
         #PIPE_FORMAT_X8Z24_UNORM,
         #PIPE_FORMAT_Z16_UNORM,
-        #PIPE_FORMAT_S8_UNORM,
+        #PIPE_FORMAT_S8_USCALED,
         PIPE_FORMAT_A8_UNORM,
         PIPE_FORMAT_L8_UNORM,
         #PIPE_FORMAT_DXT1_RGB,
diff --git a/progs/gallium/python/tests/texture_transfer.py b/progs/gallium/python/tests/texture_transfer.py
index 7da00e4255..639d3d362c 100755
--- a/progs/gallium/python/tests/texture_transfer.py
+++ b/progs/gallium/python/tests/texture_transfer.py
@@ -29,6 +29,7 @@
 
 
 import os
+import random
 
 from gallium import *
 from base import *
@@ -59,6 +60,7 @@ class TextureTest(TestCase):
 
     def test(self):
         dev = self.dev
+        ctx = self.ctx
         
         target = self.target
         format = self.format
@@ -70,8 +72,12 @@ class TextureTest(TestCase):
         level = self.level
         zslice = self.zslice
         
-        tex_usage = 0
+        tex_usage = PIPE_TEXTURE_USAGE_SAMPLER
+        geom_flags = 0
+        if not dev.is_format_supported(format, target, tex_usage, geom_flags):
+            raise TestSkip
         
+        #  textures
         texture = dev.texture_create(
             target = target,
             format = format, 
@@ -81,20 +87,17 @@ class TextureTest(TestCase):
             last_level = last_level,
             tex_usage = tex_usage,
         )
-        if texture is None:
-            raise TestSkip
         
         surface = texture.get_surface(face, level, zslice)
         
-        # ???
-        stride = pf_get_stride(texture->format, w)
-        size = pf_get_nblocksy(texture->format) * stride
+        stride = util_format_get_stride(format, surface.width)
+        size = util_format_get_nblocksy(format, surface.height) * stride
 
         in_raw = os.urandom(size)
 
-        surface.put_tile_raw(0, 0, surface.width, surface.height, in_raw, stride)
+        ctx.surface_write_raw(surface, 0, 0, surface.width, surface.height, in_raw, stride)
 
-        out_raw = surface.get_tile_raw(0, 0, surface.width, surface.height)
+        out_raw = ctx.surface_read_raw(surface, 0, 0, surface.width, surface.height)
 
         if in_raw != out_raw:
             raise TestFailure
@@ -102,6 +105,7 @@ class TextureTest(TestCase):
 
 def main():
     dev = Device()
+    ctx = dev.context_create()
     suite = TestSuite()
     
     targets = [
@@ -110,26 +114,6 @@ def main():
         PIPE_TEXTURE_3D,
     ]
     
-    formats = [
-        PIPE_FORMAT_B8G8R8A8_UNORM,
-        PIPE_FORMAT_B8G8R8X8_UNORM,
-        PIPE_FORMAT_B8G8R8A8_SRGB,
-        PIPE_FORMAT_B5G6R5_UNORM,
-        PIPE_FORMAT_B5G5R5A1_UNORM,
-        PIPE_FORMAT_B4G4R4A4_UNORM,
-        PIPE_FORMAT_Z32_UNORM,
-        PIPE_FORMAT_S8Z24_UNORM,
-        PIPE_FORMAT_X8Z24_UNORM,
-        PIPE_FORMAT_Z16_UNORM,
-        PIPE_FORMAT_S8_UNORM,
-        PIPE_FORMAT_A8_UNORM,
-        PIPE_FORMAT_L8_UNORM,
-        PIPE_FORMAT_DXT1_RGB,
-        PIPE_FORMAT_DXT1_RGBA,
-        PIPE_FORMAT_DXT3_RGBA,
-        PIPE_FORMAT_DXT5_RGBA,
-    ]
-    
     sizes = [64, 32, 16, 8, 4, 2, 1]
     #sizes = [1020, 508, 252, 62, 30, 14, 6, 3]
     #sizes = [64]
@@ -144,35 +128,52 @@ def main():
         PIPE_TEX_FACE_NEG_Z,
     ]
 
-    for target in targets:
-        for format in formats:
-            for size in sizes:
-                if target == PIPE_TEXTURE_3D:
-                    depth = size
-                else:
-                    depth = 1
-                for face in faces:
-                    if target != PIPE_TEXTURE_CUBE and face:
-                        continue
-                    levels = lods(size)
-                    for last_level in range(levels):
-                        for level in range(0, last_level + 1):
-                            zslice = 0
-                            while zslice < depth >> level:
-                                test = TextureTest(
-                                    dev = dev,
-                                    target = target,
-                                    format = format, 
-                                    width = size,
-                                    height = size,
-                                    depth = depth,
-                                    last_level = last_level,
-                                    face = face,
-                                    level = level,
-                                    zslice = zslice,
-                                )
-                                suite.add_test(test)
-                                zslice = (zslice + 1)*2 - 1
+    try:
+        n = int(sys.argv[1])
+    except:
+        n = 10000
+    
+    for i in range(n):
+        format = random.choice(formats.keys())
+        if not util_format_is_depth_or_stencil(format):
+            is_depth_or_stencil = util_format_is_depth_or_stencil(format)
+
+            if is_depth_or_stencil:
+                target = PIPE_TEXTURE_2D
+            else:
+                target = random.choice(targets)
+            
+            size = random.choice(sizes)
+
+            if target == PIPE_TEXTURE_3D:
+                depth = size
+            else:
+                depth = 1
+
+            if target == PIPE_TEXTURE_CUBE:
+                face = random.choice(faces)
+            else:
+                face = PIPE_TEX_FACE_POS_X
+
+            levels = lods(size)
+            last_level = random.randint(0, levels - 1)
+            level = random.randint(0, last_level)
+            zslice = random.randint(0, max(depth >> level, 1) - 1)
+
+            test = TextureTest(
+                dev = dev,
+                ctx = ctx,
+                target = target,
+                format = format, 
+                width = size,
+                height = size,
+                depth = depth,
+                last_level = last_level,
+                face = face,
+                level = level,
+                zslice = zslice,
+            )
+            suite.add_test(test)
     suite.run()
 
 
diff --git a/progs/gallium/raw/SConscript b/progs/gallium/raw/SConscript
new file mode 100644
index 0000000000..073b97951e
--- /dev/null
+++ b/progs/gallium/raw/SConscript
@@ -0,0 +1,17 @@
+Import('*')
+
+env = env.Clone()
+
+env.Prepend(LIBPATH = [graw.dir])
+env.Prepend(LIBS = [graw.name])
+
+progs = [
+    'clear'
+]
+
+for prog in progs:
+    env.Program(
+        target = prog,
+        source = prog + '.c',
+    )
+
diff --git a/progs/gallium/raw/clear.c b/progs/gallium/raw/clear.c
new file mode 100644
index 0000000000..5ef5254edc
--- /dev/null
+++ b/progs/gallium/raw/clear.c
@@ -0,0 +1,95 @@
+/* Display a cleared blue window.  This demo has no dependencies on
+ * any utility code, just the graw interface and gallium.
+ */
+
+#include "state_tracker/graw.h"
+#include "pipe/p_screen.h"
+#include "pipe/p_context.h"
+#include "pipe/p_state.h"
+#include "pipe/p_defines.h"
+#include <unistd.h>             /* for sleep() */
+
+#include "util/u_debug.h"       /* debug_dump_surface_bmp() */
+
+enum pipe_format formats[] = {
+   PIPE_FORMAT_R8G8B8A8_UNORM,
+   PIPE_FORMAT_B8G8R8A8_UNORM,
+   PIPE_FORMAT_NONE
+};
+
+static const int WIDTH = 300;
+static const int HEIGHT = 300;
+
+int main( int argc, char *argv[] )
+{
+   struct pipe_screen *screen;
+   struct pipe_context *pipe;
+   struct pipe_surface *surf;
+   struct pipe_framebuffer_state fb;
+   struct pipe_texture *tex, templat;
+   void *window = NULL;
+   float clear_color[4] = {1,0,1,1};
+   int i;
+
+   screen = graw_init();
+   if (screen == NULL)
+      exit(1);
+
+   for (i = 0; 
+        window == NULL && formats[i] != PIPE_FORMAT_NONE;
+        i++) {
+      
+      window = graw_create_window(0,0,300,300, formats[i]);
+   }
+   
+   if (window == NULL)
+      exit(2);
+   
+   pipe = screen->context_create(screen, NULL);
+   if (pipe == NULL)
+      exit(3);
+
+   templat.target = PIPE_TEXTURE_2D;
+   templat.format = formats[i];
+   templat.width0 = WIDTH;
+   templat.height0 = HEIGHT;
+   templat.depth0 = 1;
+   templat.last_level = 0;
+   templat.nr_samples = 1;
+   templat.tex_usage = (PIPE_TEXTURE_USAGE_RENDER_TARGET |
+                        PIPE_TEXTURE_USAGE_DISPLAY_TARGET);
+   
+   tex = screen->texture_create(screen,
+                                &templat);
+   if (tex == NULL)
+      exit(4);
+
+   surf = screen->get_tex_surface(screen, tex, 0, 0, 0,
+                                  PIPE_TEXTURE_USAGE_RENDER_TARGET |
+                                  PIPE_TEXTURE_USAGE_DISPLAY_TARGET);
+   if (surf == NULL)
+      exit(5);
+
+   memset(&fb, 0, sizeof fb);
+   fb.nr_cbufs = 1;
+   fb.width = WIDTH;
+   fb.height = HEIGHT;
+   fb.cbufs[0] = surf;
+
+   pipe->set_framebuffer_state(pipe, &fb);
+   pipe->clear(pipe, PIPE_CLEAR_COLOR, clear_color, 0, 0);
+   pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE, NULL);
+
+   /* At the moment, libgraw includes/makes available all the symbols
+    * from gallium/auxiliary, including these debug helpers.  Will
+    * eventually want to bless some of these paths, and lock the
+    * others down so they aren't accessible from test programs.
+    */
+   if (0)
+      debug_dump_surface_bmp(pipe, "result.bmp", surf);
+
+   screen->flush_frontbuffer(screen, surf, window);
+
+   sleep(100);
+   return 0;
+}
diff --git a/progs/gallium/trivial/.gitignore b/progs/gallium/trivial/.gitignore
new file mode 100644
index 0000000000..af6cdedbeb
--- /dev/null
+++ b/progs/gallium/trivial/.gitignore
@@ -0,0 +1,3 @@
+tri
+quad-tex
+result.bmp
diff --git a/progs/gallium/trivial/Makefile b/progs/gallium/trivial/Makefile
new file mode 100644
index 0000000000..2b8af1ac06
--- /dev/null
+++ b/progs/gallium/trivial/Makefile
@@ -0,0 +1,44 @@
+# progs/gallium/simple/Makefile
+
+TOP = ../../..
+include $(TOP)/configs/current
+
+INCLUDES = \
+	-I. \
+	-I$(TOP)/src/gallium/include \
+	-I$(TOP)/src/gallium/auxiliary \
+	-I$(TOP)/src/gallium/drivers \
+	-I$(TOP)/src/gallium/winsys \
+	$(PROG_INCLUDES)
+
+LINKS = \
+	$(TOP)/src/gallium/drivers/trace/libtrace.a \
+	$(TOP)/src/gallium/winsys/sw/null/libws_null.a \
+	$(TOP)/src/gallium/drivers/softpipe/libsoftpipe.a \
+	$(GALLIUM_AUXILIARIES) \
+	$(PROG_LINKS)
+
+SOURCES = \
+	tri.c \
+	quad-tex.c
+
+OBJECTS = $(SOURCES:.c=.o)
+
+PROGS = $(OBJECTS:.o=)
+
+##### TARGETS #####
+
+default: $(PROGS)
+
+clean:
+	-rm -f $(PROGS)
+	-rm -f *.o
+	-rm -f result.bmp
+
+##### RULES #####
+
+$(OBJECTS): %.o: %.c
+	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $(PROG_DEFINES) $< -o $@
+
+$(PROGS): %: %.o
+	$(CC) $(LDFLAGS) $< $(LINKS) -lm -lpthread -o $@
diff --git a/progs/gallium/trivial/quad-tex.c b/progs/gallium/trivial/quad-tex.c
new file mode 100644
index 0000000000..553f5582e7
--- /dev/null
+++ b/progs/gallium/trivial/quad-tex.c
@@ -0,0 +1,346 @@
+/**************************************************************************
+ *
+ * Copyright © 2010 Jakob Bornecrantz
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+
+#define USE_TRACE 0
+#define WIDTH 300
+#define HEIGHT 300
+#define NEAR 30
+#define FAR 1000
+#define FLIP 0
+
+/* pipe_*_state structs */
+#include "pipe/p_state.h"
+/* pipe_context */
+#include "pipe/p_context.h"
+/* pipe_screen */
+#include "pipe/p_screen.h"
+/* PIPE_* */
+#include "pipe/p_defines.h"
+/* TGSI_SEMANTIC_{POSITION|GENERIC} */
+#include "pipe/p_shader_tokens.h"
+/* pipe_buffer_* helpers */
+#include "util/u_inlines.h"
+
+/* constant state object helper */
+#include "cso_cache/cso_context.h"
+
+/* u_sampler_view_default_template */
+#include "util/u_sampler.h"
+/* debug_dump_surface_bmp */
+#include "util/u_debug.h"
+/* util_draw_vertex_buffer helper */
+#include "util/u_draw_quad.h"
+/* FREE & CALLOC_STRUCT */
+#include "util/u_memory.h"
+/* util_make_[fragment|vertex]_passthrough_shader */
+#include "util/u_simple_shaders.h"
+
+/* softpipe software driver */
+#include "softpipe/sp_public.h"
+
+/* null software winsys */
+#include "sw/null/null_sw_winsys.h"
+
+/* traceing support see src/gallium/drivers/trace/README for more info. */
+#if USE_TRACE
+#include "trace/tr_screen.h"
+#include "trace/tr_context.h"
+#endif
+
+struct program
+{
+	struct pipe_screen *screen;
+	struct pipe_context *pipe;
+	struct cso_context *cso;
+
+	struct pipe_blend_state blend;
+	struct pipe_depth_stencil_alpha_state depthstencil;
+	struct pipe_rasterizer_state rasterizer;
+	struct pipe_sampler_state sampler;
+	struct pipe_viewport_state viewport;
+	struct pipe_framebuffer_state framebuffer;
+	struct pipe_vertex_element velem[2];
+
+	void *vs;
+	void *fs;
+
+	float clear_color[4];
+
+	struct pipe_buffer *vbuf;
+	struct pipe_texture *target;
+	struct pipe_texture *tex;
+	struct pipe_sampler_view *view;
+};
+
+static void init_prog(struct program *p)
+{
+	/* create the software rasterizer */
+	p->screen = softpipe_create_screen(null_sw_create());
+#if USE_TRACE
+	p->screen = trace_screen_create(p->screen);
+#endif
+	p->pipe = p->screen->context_create(p->screen, NULL);
+	p->cso = cso_create_context(p->pipe);
+
+	/* set clear color */
+	p->clear_color[0] = 0.3;
+	p->clear_color[1] = 0.1;
+	p->clear_color[2] = 0.3;
+	p->clear_color[3] = 1.0;
+
+	/* vertex buffer */
+	{
+		float vertices[4][2][4] = {
+			{
+				{ 0.9f, 0.9f, 0.0f, 1.0f },
+				{ 1.0f, 1.0f, 0.0f, 1.0f }
+			},
+			{
+				{ -0.9f, 0.9f, 0.0f, 1.0f },
+				{  0.0f, 1.0f, 0.0f, 1.0f }
+			},
+			{
+				{ -0.9f, -0.9f, 0.0f, 1.0f },
+				{  0.0f,  0.0f, 1.0f, 1.0f }
+			},
+			{
+				{ 0.9f, -0.9f, 0.0f, 1.0f },
+				{ 1.0f,  0.0f, 1.0f, 1.0f }
+			}
+		};
+
+		p->vbuf = pipe_buffer_create(p->screen, 16, PIPE_BUFFER_USAGE_VERTEX, sizeof(vertices));
+		pipe_buffer_write(p->screen, p->vbuf, 0, sizeof(vertices), vertices);
+	}
+
+	/* render target texture */
+	{
+		struct pipe_texture tmplt;
+		memset(&tmplt, 0, sizeof(tmplt));
+		tmplt.target = PIPE_TEXTURE_2D;
+		tmplt.format = PIPE_FORMAT_B8G8R8A8_UNORM; /* All drivers support this */
+		tmplt.width0 = WIDTH;
+		tmplt.height0 = HEIGHT;
+		tmplt.depth0 = 1;
+		tmplt.last_level = 0;
+		tmplt.tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET;
+
+		p->target = p->screen->texture_create(p->screen, &tmplt);
+	}
+
+	/* sampler texture */
+	{
+		uint32_t *ptr;
+		struct pipe_transfer *t;
+		struct pipe_texture t_tmplt;
+		struct pipe_sampler_view v_tmplt;
+
+		memset(&t_tmplt, 0, sizeof(t_tmplt));
+		t_tmplt.target = PIPE_TEXTURE_2D;
+		t_tmplt.format = PIPE_FORMAT_B8G8R8A8_UNORM; /* All drivers support this */
+		t_tmplt.width0 = 2;
+		t_tmplt.height0 = 2;
+		t_tmplt.depth0 = 1;
+		t_tmplt.last_level = 0;
+		t_tmplt.tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET;
+
+		p->tex = p->screen->texture_create(p->screen, &t_tmplt);
+
+		t = p->pipe->get_tex_transfer(p->pipe, p->tex,
+		                              0, 0, 0, /* face, level, zslice */
+		                              PIPE_TRANSFER_WRITE,
+		                              0, 0, 2, 2); /* x, y, width, height */
+
+		ptr = p->pipe->transfer_map(p->pipe, t);
+		ptr[0] = 0xffff0000;
+		ptr[1] = 0xff0000ff;
+		ptr[2] = 0xff00ff00;
+		ptr[3] = 0xffffff00;
+		p->pipe->transfer_unmap(p->pipe, t);
+
+		p->pipe->tex_transfer_destroy(p->pipe, t);
+
+		u_sampler_view_default_template(&v_tmplt, p->tex, p->tex->format);
+
+		p->view = p->pipe->create_sampler_view(p->pipe, p->tex, &v_tmplt);
+	}
+
+	/* disabled blending/masking */
+	memset(&p->blend, 0, sizeof(p->blend));
+	p->blend.rt[0].colormask = PIPE_MASK_RGBA;
+
+	/* no-op depth/stencil/alpha */
+	memset(&p->depthstencil, 0, sizeof(p->depthstencil));
+
+	/* rasterizer */
+	memset(&p->rasterizer, 0, sizeof(p->rasterizer));
+	p->rasterizer.front_winding = PIPE_WINDING_CW;
+	p->rasterizer.cull_mode = PIPE_WINDING_NONE;
+	p->rasterizer.gl_rasterization_rules = 1;
+
+	/* sampler */
+	memset(&p->sampler, 0, sizeof(p->sampler));
+	p->sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
+	p->sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
+	p->sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
+	p->sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
+	p->sampler.min_img_filter = PIPE_TEX_MIPFILTER_LINEAR;
+	p->sampler.mag_img_filter = PIPE_TEX_MIPFILTER_LINEAR;
+	p->sampler.normalized_coords = 1;
+
+	/* drawing destination */
+	memset(&p->framebuffer, 0, sizeof(p->framebuffer));
+	p->framebuffer.width = WIDTH;
+	p->framebuffer.height = HEIGHT;
+	p->framebuffer.nr_cbufs = 1;
+	p->framebuffer.cbufs[0] = p->screen->get_tex_surface(p->screen, p->target, 0, 0, 0, PIPE_BUFFER_USAGE_GPU_WRITE);
+
+	/* viewport, depth isn't really needed */
+	{
+		float x = 0;
+		float y = 0;
+		float z = FAR;
+		float half_width = (float)WIDTH / 2.0f;
+		float half_height = (float)HEIGHT / 2.0f;
+		float half_depth = ((float)FAR - (float)NEAR) / 2.0f;
+		float scale, bias;
+
+		if (FLIP) {
+			scale = -1.0f;
+			bias = (float)HEIGHT;
+		} else {
+			scale = 1.0f;
+			bias = 0.0f;
+		}
+
+		p->viewport.scale[0] = half_width;
+		p->viewport.scale[1] = half_height * scale;
+		p->viewport.scale[2] = half_depth;
+		p->viewport.scale[3] = 1.0f;
+
+		p->viewport.translate[0] = half_width + x;
+		p->viewport.translate[1] = (half_height + y) * scale + bias;
+		p->viewport.translate[2] = half_depth + z;
+		p->viewport.translate[3] = 0.0f;
+	}
+
+	/* vertex elements state */
+	memset(p->velem, 0, sizeof(p->velem));
+	p->velem[0].src_offset = 0 * 4 * sizeof(float); /* offset 0, first element */
+	p->velem[0].instance_divisor = 0;
+	p->velem[0].vertex_buffer_index = 0;
+	p->velem[0].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
+
+	p->velem[1].src_offset = 1 * 4 * sizeof(float); /* offset 16, second element */
+	p->velem[1].instance_divisor = 0;
+	p->velem[1].vertex_buffer_index = 0;
+	p->velem[1].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
+
+	/* vertex shader */
+	{
+		const uint semantic_names[] = { TGSI_SEMANTIC_POSITION,
+		                                TGSI_SEMANTIC_GENERIC };
+		const uint semantic_indexes[] = { 0, 0 };
+		p->vs = util_make_vertex_passthrough_shader(p->pipe, 2, semantic_names, semantic_indexes);
+	}
+
+	/* fragment shader */
+	p->fs = util_make_fragment_tex_shader(p->pipe, TGSI_TEXTURE_2D);
+}
+
+static void close_prog(struct program *p)
+{
+	/* unset bound textures as well */
+	cso_set_fragment_sampler_views(p->cso, 0, NULL);
+
+	/* unset all state */
+	cso_release_all(p->cso);
+
+	p->pipe->delete_vs_state(p->pipe, p->vs);
+	p->pipe->delete_fs_state(p->pipe, p->fs);
+
+	pipe_surface_reference(&p->framebuffer.cbufs[0], NULL);
+	pipe_sampler_view_reference(&p->view, NULL);
+	pipe_texture_reference(&p->target, NULL);
+	pipe_texture_reference(&p->tex, NULL);
+	pipe_buffer_reference(&p->vbuf, NULL);
+
+	cso_destroy_context(p->cso);
+	p->pipe->destroy(p->pipe);
+	p->screen->destroy(p->screen);
+
+	FREE(p);
+}
+
+static void draw(struct program *p)
+{
+	/* set the render target */
+	cso_set_framebuffer(p->cso, &p->framebuffer);
+
+	/* clear the render target */
+	p->pipe->clear(p->pipe, PIPE_CLEAR_COLOR, p->clear_color, 0, 0);
+
+	/* set misc state we care about */
+	cso_set_blend(p->cso, &p->blend);
+	cso_set_depth_stencil_alpha(p->cso, &p->depthstencil);
+	cso_set_rasterizer(p->cso, &p->rasterizer);
+	cso_set_viewport(p->cso, &p->viewport);
+
+	/* sampler */
+	cso_single_sampler(p->cso, 0, &p->sampler);
+	cso_single_sampler_done(p->cso);
+
+	/* texture sampler view */
+	cso_set_fragment_sampler_views(p->cso, 1, &p->view);
+
+	/* shaders */
+	cso_set_fragment_shader_handle(p->cso, p->fs);
+	cso_set_vertex_shader_handle(p->cso, p->vs);
+
+	/* vertex element data */
+	cso_set_vertex_elements(p->cso, 2, p->velem);
+
+	util_draw_vertex_buffer(p->pipe,
+	                        p->vbuf, 0,
+	                        PIPE_PRIM_QUADS,
+	                        4,  /* verts */
+	                        2); /* attribs/vert */
+
+	p->pipe->flush(p->pipe, PIPE_FLUSH_RENDER_CACHE, NULL);
+
+	debug_dump_surface_bmp(p->pipe, "result.bmp", p->framebuffer.cbufs[0]);
+}
+
+int main(int argc, char** argv)
+{
+	struct program *p = CALLOC_STRUCT(program);
+
+	init_prog(p);
+	draw(p);
+	close_prog(p);
+
+	return 0;
+}
diff --git a/progs/gallium/trivial/tri.c b/progs/gallium/trivial/tri.c
new file mode 100644
index 0000000000..cae1bdb1b1
--- /dev/null
+++ b/progs/gallium/trivial/tri.c
@@ -0,0 +1,278 @@
+/**************************************************************************
+ *
+ * Copyright © 2010 Jakob Bornecrantz
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+
+#define USE_TRACE 0
+#define WIDTH 300
+#define HEIGHT 300
+#define NEAR 30
+#define FAR 1000
+#define FLIP 0
+
+/* pipe_*_state structs */
+#include "pipe/p_state.h"
+/* pipe_context */
+#include "pipe/p_context.h"
+/* pipe_screen */
+#include "pipe/p_screen.h"
+/* PIPE_* */
+#include "pipe/p_defines.h"
+/* TGSI_SEMANTIC_{POSITION|GENERIC} */
+#include "pipe/p_shader_tokens.h"
+/* pipe_buffer_* helpers */
+#include "util/u_inlines.h"
+
+/* constant state object helper */
+#include "cso_cache/cso_context.h"
+
+/* debug_dump_surface_bmp */
+#include "util/u_debug.h"
+/* util_draw_vertex_buffer helper */
+#include "util/u_draw_quad.h"
+/* FREE & CALLOC_STRUCT */
+#include "util/u_memory.h"
+/* util_make_[fragment|vertex]_passthrough_shader */
+#include "util/u_simple_shaders.h"
+
+/* softpipe software driver */
+#include "softpipe/sp_public.h"
+
+/* null software winsys */
+#include "sw/null/null_sw_winsys.h"
+
+/* traceing support see src/gallium/drivers/trace/README for more info. */
+#if USE_TRACE
+#include "trace/tr_screen.h"
+#include "trace/tr_context.h"
+#endif
+
+struct program
+{
+	struct pipe_screen *screen;
+	struct pipe_context *pipe;
+	struct cso_context *cso;
+
+	struct pipe_blend_state blend;
+	struct pipe_depth_stencil_alpha_state depthstencil;
+	struct pipe_rasterizer_state rasterizer;
+	struct pipe_viewport_state viewport;
+	struct pipe_framebuffer_state framebuffer;
+	struct pipe_vertex_element velem[2];
+
+	void *vs;
+	void *fs;
+
+	float clear_color[4];
+
+	struct pipe_buffer *vbuf;
+	struct pipe_texture *target;
+};
+
+static void init_prog(struct program *p)
+{
+	/* create the software rasterizer */
+	p->screen = softpipe_create_screen(null_sw_create());
+#if USE_TRACE
+	p->screen = trace_screen_create(p->screen);
+#endif
+	p->pipe = p->screen->context_create(p->screen, NULL);
+	p->cso = cso_create_context(p->pipe);
+
+	/* set clear color */
+	p->clear_color[0] = 0.3;
+	p->clear_color[1] = 0.1;
+	p->clear_color[2] = 0.3;
+	p->clear_color[3] = 1.0;
+
+	/* vertex buffer */
+	{
+		float vertices[4][2][4] = {
+			{
+				{ 0.0f, -0.9f, 0.0f, 1.0f },
+				{ 1.0f, 0.0f, 0.0f, 1.0f }
+			},
+			{
+				{ -0.9f, 0.9f, 0.0f, 1.0f },
+				{ 0.0f, 1.0f, 0.0f, 1.0f }
+			},
+			{
+				{ 0.9f, 0.9f, 0.0f, 1.0f },
+				{ 0.0f, 0.0f, 1.0f, 1.0f }
+			}
+		};
+
+		p->vbuf = pipe_buffer_create(p->screen, 16, PIPE_BUFFER_USAGE_VERTEX, sizeof(vertices));
+		pipe_buffer_write(p->screen, p->vbuf, 0, sizeof(vertices), vertices);
+	}
+
+	/* render target texture */
+	{
+		struct pipe_texture tmplt;
+		memset(&tmplt, 0, sizeof(tmplt));
+		tmplt.target = PIPE_TEXTURE_2D;
+		tmplt.format = PIPE_FORMAT_B8G8R8A8_UNORM; /* All drivers support this */
+		tmplt.width0 = WIDTH;
+		tmplt.height0 = HEIGHT;
+		tmplt.depth0 = 1;
+		tmplt.last_level = 0;
+		tmplt.tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET;
+
+		p->target = p->screen->texture_create(p->screen, &tmplt);
+	}
+
+	/* disabled blending/masking */
+	memset(&p->blend, 0, sizeof(p->blend));
+	p->blend.rt[0].colormask = PIPE_MASK_RGBA;
+
+	/* no-op depth/stencil/alpha */
+	memset(&p->depthstencil, 0, sizeof(p->depthstencil));
+
+	/* rasterizer */
+	memset(&p->rasterizer, 0, sizeof(p->rasterizer));
+	p->rasterizer.front_winding = PIPE_WINDING_CW;
+	p->rasterizer.cull_mode = PIPE_WINDING_NONE;
+	p->rasterizer.gl_rasterization_rules = 1;
+
+	/* drawing destination */
+	memset(&p->framebuffer, 0, sizeof(p->framebuffer));
+	p->framebuffer.width = WIDTH;
+	p->framebuffer.height = HEIGHT;
+	p->framebuffer.nr_cbufs = 1;
+	p->framebuffer.cbufs[0] = p->screen->get_tex_surface(p->screen, p->target, 0, 0, 0, PIPE_BUFFER_USAGE_GPU_WRITE);
+
+	/* viewport, depth isn't really needed */
+	{
+		float x = 0;
+		float y = 0;
+		float z = FAR;
+		float half_width = (float)WIDTH / 2.0f;
+		float half_height = (float)HEIGHT / 2.0f;
+		float half_depth = ((float)FAR - (float)NEAR) / 2.0f;
+		float scale, bias;
+
+		if (FLIP) {
+			scale = -1.0f;
+			bias = (float)HEIGHT;
+		} else {
+			scale = 1.0f;
+			bias = 0.0f;
+		}
+
+		p->viewport.scale[0] = half_width;
+		p->viewport.scale[1] = half_height * scale;
+		p->viewport.scale[2] = half_depth;
+		p->viewport.scale[3] = 1.0f;
+
+		p->viewport.translate[0] = half_width + x;
+		p->viewport.translate[1] = (half_height + y) * scale + bias;
+		p->viewport.translate[2] = half_depth + z;
+		p->viewport.translate[3] = 0.0f;
+	}
+
+	/* vertex elements state */
+	memset(p->velem, 0, sizeof(p->velem));
+	p->velem[0].src_offset = 0 * 4 * sizeof(float); /* offset 0, first element */
+	p->velem[0].instance_divisor = 0;
+	p->velem[0].vertex_buffer_index = 0;
+	p->velem[0].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
+
+	p->velem[1].src_offset = 1 * 4 * sizeof(float); /* offset 16, second element */
+	p->velem[1].instance_divisor = 0;
+	p->velem[1].vertex_buffer_index = 0;
+	p->velem[1].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
+
+	/* vertex shader */
+	{
+			const uint semantic_names[] = { TGSI_SEMANTIC_POSITION,
+							TGSI_SEMANTIC_COLOR };
+			const uint semantic_indexes[] = { 0, 0 };
+			p->vs = util_make_vertex_passthrough_shader(p->pipe, 2, semantic_names, semantic_indexes);
+	}
+
+	/* fragment shader */
+	p->fs = util_make_fragment_passthrough_shader(p->pipe);
+}
+
+static void close_prog(struct program *p)
+{
+	/* unset all state */
+	cso_release_all(p->cso);
+
+	p->pipe->delete_vs_state(p->pipe, p->vs);
+	p->pipe->delete_fs_state(p->pipe, p->fs);
+
+	pipe_surface_reference(&p->framebuffer.cbufs[0], NULL);
+	pipe_texture_reference(&p->target, NULL);
+	pipe_buffer_reference(&p->vbuf, NULL);
+
+	cso_destroy_context(p->cso);
+	p->pipe->destroy(p->pipe);
+	p->screen->destroy(p->screen);
+
+	FREE(p);
+}
+
+static void draw(struct program *p)
+{
+	/* set the render target */
+	cso_set_framebuffer(p->cso, &p->framebuffer);
+
+	/* clear the render target */
+	p->pipe->clear(p->pipe, PIPE_CLEAR_COLOR, p->clear_color, 0, 0);
+
+	/* set misc state we care about */
+	cso_set_blend(p->cso, &p->blend);
+	cso_set_depth_stencil_alpha(p->cso, &p->depthstencil);
+	cso_set_rasterizer(p->cso, &p->rasterizer);
+	cso_set_viewport(p->cso, &p->viewport);
+
+	/* shaders */
+	cso_set_fragment_shader_handle(p->cso, p->fs);
+	cso_set_vertex_shader_handle(p->cso, p->vs);
+
+	/* vertex element data */
+	cso_set_vertex_elements(p->cso, 2, p->velem);
+
+	util_draw_vertex_buffer(p->pipe,
+	                        p->vbuf, 0,
+	                        PIPE_PRIM_TRIANGLES,
+	                        3,  /* verts */
+	                        2); /* attribs/vert */
+
+	p->pipe->flush(p->pipe, PIPE_FLUSH_RENDER_CACHE, NULL);
+
+	debug_dump_surface_bmp(p->pipe, "result.bmp", p->framebuffer.cbufs[0]);
+}
+
+int main(int argc, char** argv)
+{
+	struct program *p = CALLOC_STRUCT(program);
+
+	init_prog(p);
+	draw(p);
+	close_prog(p);
+
+	return 0;
+}
diff --git a/progs/gallium/unit/Makefile b/progs/gallium/unit/Makefile
new file mode 100644
index 0000000000..f3dbd7695c
--- /dev/null
+++ b/progs/gallium/unit/Makefile
@@ -0,0 +1,44 @@
+# progs/gallium/simple/Makefile
+
+TOP = ../../..
+include $(TOP)/configs/current
+
+INCLUDES = \
+	-I. \
+	-I$(TOP)/src/gallium/include \
+	-I$(TOP)/src/gallium/auxiliary \
+	-I$(TOP)/src/gallium/drivers \
+	-I$(TOP)/src/gallium/winsys \
+	$(PROG_INCLUDES)
+
+LINKS = \
+	$(TOP)/src/gallium/drivers/trace/libtrace.a \
+	$(TOP)/src/gallium/winsys/sw/null/libws_null.a \
+	$(TOP)/src/gallium/drivers/softpipe/libsoftpipe.a \
+	$(GALLIUM_AUXILIARIES) \
+	$(PROG_LINKS)
+
+SOURCES = \
+	u_format_test.c \
+	u_half_test.c
+
+OBJECTS = $(SOURCES:.c=.o)
+
+PROGS = $(OBJECTS:.o=)
+
+##### TARGETS #####
+
+default: $(PROGS)
+
+clean:
+	-rm -f $(PROGS)
+	-rm -f *.o
+	-rm -f result.bmp
+
+##### RULES #####
+
+$(OBJECTS): %.o: %.c
+	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $(PROG_DEFINES) $< -o $@
+
+$(PROGS): %: %.o
+	$(CC) $(LDFLAGS) $< $(LINKS) -lm -lpthread -ldl -o $@
diff --git a/progs/gallium/unit/SConscript b/progs/gallium/unit/SConscript
index 9891440df6..0db3bb687c 100644
--- a/progs/gallium/unit/SConscript
+++ b/progs/gallium/unit/SConscript
@@ -5,7 +5,8 @@ env = env.Clone()
 env.Prepend(LIBS = [gallium])
 
 progs = [
-    'u_format_test'
+    'u_format_test',
+    'u_half_test'
 ]
 
 for prog in progs:
@@ -13,6 +14,8 @@ for prog in progs:
         target = prog,
         source = prog + '.c',
     )
+    
+    env.InstallProgram(prog)
 
     # http://www.scons.org/wiki/UnitTests
     test_alias = env.Alias('unit', [prog], prog[0].abspath)
diff --git a/progs/gallium/unit/u_format_test.c b/progs/gallium/unit/u_format_test.c
index 2dfba5538b..cfde6af75e 100644
--- a/progs/gallium/unit/u_format_test.c
+++ b/progs/gallium/unit/u_format_test.c
@@ -28,565 +28,226 @@
 
 #include <stdlib.h>
 #include <stdio.h>
+#include <float.h>
 
+#include "util/u_half.h"
 #include "util/u_format.h"
-#include "util/u_format_pack.h"
+#include "util/u_format_tests.h"
+#include "util/u_format_s3tc.h"
 
 
-#define MAX_PACKED_BYTES 16
+static boolean
+compare_float(float x, float y)
+{
+   float error = y - x;
+
+   if (error < 0.0f)
+      error = -error;
+
+   if (error > FLT_EPSILON) {
+      return FALSE;
+   }
+
+   return TRUE;
+}
 
 
-/**
- * A (packed, unpacked) color pair.
- */
-struct util_format_test_case
+static void
+print_packed(const struct util_format_description *format_desc,
+             const char *prefix,
+             const uint8_t *packed,
+             const char *suffix)
 {
-   enum pipe_format format;
+   unsigned i;
+   const char *sep = "";
 
-   /**
-    * Mask of the bits that actually meaningful data. Used to mask out the
-    * "X" channels.
-    */
-   uint8_t mask[MAX_PACKED_BYTES];
+   printf("%s", prefix);
+   for (i = 0; i < format_desc->block.bits/8; ++i) {
+      printf("%s%02x", sep, packed[i]);
+      sep = " ";
+   }
+   printf("%s", suffix);
+}
 
-   uint8_t packed[MAX_PACKED_BYTES];
 
-   /**
-    * RGBA.
-    */
-   double unpacked[4];
-};
+static void
+print_unpacked_rgba_doubl(const struct util_format_description *format_desc,
+                     const char *prefix,
+                     const double unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH][4],
+                     const char *suffix)
+{
+   unsigned i, j;
+   const char *sep = "";
+
+   printf("%s", prefix);
+   for (i = 0; i < format_desc->block.height; ++i) {
+      for (j = 0; j < format_desc->block.width; ++j) {
+         printf("%s{%f, %f, %f, %f}", sep, unpacked[i][j][0], unpacked[i][j][1], unpacked[i][j][2], unpacked[i][j][3]);
+         sep = ", ";
+      }
+      sep = ",\n";
+   }
+   printf("%s", suffix);
+}
 
 
-/*
- * Helper macros to create the packed bytes for longer words.
- */
+static void
+print_unpacked_rgba_float(const struct util_format_description *format_desc,
+                     const char *prefix,
+                     float unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH][4],
+                     const char *suffix)
+{
+   unsigned i, j;
+   const char *sep = "";
+
+   printf("%s", prefix);
+   for (i = 0; i < format_desc->block.height; ++i) {
+      for (j = 0; j < format_desc->block.width; ++j) {
+         printf("%s{%f, %f, %f, %f}", sep, unpacked[i][j][0], unpacked[i][j][1], unpacked[i][j][2], unpacked[i][j][3]);
+         sep = ", ";
+      }
+      sep = ",\n";
+   }
+   printf("%s", suffix);
+}
 
-#define PACKED_1x8(x)          {x, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
-#define PACKED_2x8(x, y)       {x, y, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
-#define PACKED_3x8(x, y, z)    {x, y, z, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
-#define PACKED_4x8(x, y, z, w) {x, y, z, w, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
 
-#define PACKED_1x16(x)          {(x) & 0xff, (x) >> 8,          0,        0,          0,        0,          0,        0, 0, 0, 0, 0, 0, 0, 0, 0}
-#define PACKED_2x16(x, y)       {(x) & 0xff, (x) >> 8, (y) & 0xff, (y) >> 8,          0,        0,          0,        0, 0, 0, 0, 0, 0, 0, 0, 0}
-#define PACKED_3x16(x, y, z)    {(x) & 0xff, (x) >> 8, (y) & 0xff, (y) >> 8, (z) & 0xff, (z) >> 8,          0,        0, 0, 0, 0, 0, 0, 0, 0, 0}
-#define PACKED_4x16(x, y, z, w) {(x) & 0xff, (x) >> 8, (y) & 0xff, (y) >> 8, (z) & 0xff, (z) >> 8, (w) & 0xff, (w) >> 8, 0, 0, 0, 0, 0, 0, 0, 0}
+static void
+print_unpacked_rgba_8unorm(const struct util_format_description *format_desc,
+                      const char *prefix,
+                      uint8_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH][4],
+                      const char *suffix)
+{
+   unsigned i, j;
+   const char *sep = "";
+
+   printf("%s", prefix);
+   for (i = 0; i < format_desc->block.height; ++i) {
+      for (j = 0; j < format_desc->block.width; ++j) {
+         printf("%s{0x%02x, 0x%02x, 0x%02x, 0x%02x}", sep, unpacked[i][j][0], unpacked[i][j][1], unpacked[i][j][2], unpacked[i][j][3]);
+         sep = ", ";
+      }
+   }
+   printf("%s", suffix);
+}
 
-#define PACKED_1x32(x)          {(x) & 0xff, ((x) >> 8) & 0xff, ((x) >> 16) & 0xff, (x) >> 24,          0,                 0,                  0,         0,          0,                 0,                  0,         0,          0,                 0,                  0,         0}
-#define PACKED_2x32(x, y)       {(x) & 0xff, ((x) >> 8) & 0xff, ((x) >> 16) & 0xff, (x) >> 24, (y) & 0xff, ((y) >> 8) & 0xff, ((y) >> 16) & 0xff, (y) >> 24,          0,                 0,                  0,         0,          0,                 0,                  0,         0}
-#define PACKED_3x32(x, y, z)    {(x) & 0xff, ((x) >> 8) & 0xff, ((x) >> 16) & 0xff, (x) >> 24, (y) & 0xff, ((y) >> 8) & 0xff, ((y) >> 16) & 0xff, (y) >> 24, (z) & 0xff, ((z) >> 8) & 0xff, ((z) >> 16) & 0xff, (z) >> 24,          0,                 0,                  0,         0}
-#define PACKED_4x32(x, y, z, w) {(x) & 0xff, ((x) >> 8) & 0xff, ((x) >> 16) & 0xff, (x) >> 24, (y) & 0xff, ((y) >> 8) & 0xff, ((y) >> 16) & 0xff, (y) >> 24, (z) & 0xff, ((z) >> 8) & 0xff, ((z) >> 16) & 0xff, (z) >> 24, (w) & 0xff, ((w) >> 8) & 0xff, ((w) >> 16) & 0xff, (w) >> 24}
 
+static void
+print_unpacked_z_float(const struct util_format_description *format_desc,
+                       const char *prefix,
+                       float unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH],
+                       const char *suffix)
+{
+   unsigned i, j;
+   const char *sep = "";
+
+   printf("%s", prefix);
+   for (i = 0; i < format_desc->block.height; ++i) {
+      for (j = 0; j < format_desc->block.width; ++j) {
+         printf("%s%f", sep, unpacked[i][j]);
+         sep = ", ";
+      }
+      sep = ",\n";
+   }
+   printf("%s", suffix);
+}
 
-/**
- * Test cases.
- *
- * These were manually entered. We could generate these
- *
- * To keep this to a we cover only the corner cases, which should produce
- * good enough coverage since that pixel format transformations are afine for
- * non SRGB formats.
- */
-static const struct util_format_test_case
-test_cases[] =
+
+static void
+print_unpacked_z_32unorm(const struct util_format_description *format_desc,
+                         const char *prefix,
+                         uint32_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH],
+                         const char *suffix)
 {
+   unsigned i, j;
+   const char *sep = "";
+
+   printf("%s", prefix);
+   for (i = 0; i < format_desc->block.height; ++i) {
+      for (j = 0; j < format_desc->block.width; ++j) {
+         printf("%s0x%08x", sep, unpacked[i][j]);
+         sep = ", ";
+      }
+   }
+   printf("%s", suffix);
+}
+
 
-   /*
-    * 32-bit rendertarget formats
-    */
-
-   {PIPE_FORMAT_B8G8R8A8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x00000000), {0.0, 0.0, 0.0, 0.0}},
-   {PIPE_FORMAT_B8G8R8A8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x000000ff), {0.0, 0.0, 1.0, 0.0}},
-   {PIPE_FORMAT_B8G8R8A8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x0000ff00), {0.0, 1.0, 0.0, 0.0}},
-   {PIPE_FORMAT_B8G8R8A8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x00ff0000), {1.0, 0.0, 0.0, 0.0}},
-   {PIPE_FORMAT_B8G8R8A8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0xff000000), {0.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_B8G8R8A8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0xffffffff), {1.0, 1.0, 1.0, 1.0}},
-
-   {PIPE_FORMAT_B8G8R8X8_UNORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0x00000000), {0.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_B8G8R8X8_UNORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0x000000ff), {0.0, 0.0, 1.0, 1.0}},
-   {PIPE_FORMAT_B8G8R8X8_UNORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0x0000ff00), {0.0, 1.0, 0.0, 1.0}},
-   {PIPE_FORMAT_B8G8R8X8_UNORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0x00ff0000), {1.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_B8G8R8X8_UNORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0xff000000), {0.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_B8G8R8X8_UNORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0xffffffff), {1.0, 1.0, 1.0, 1.0}},
-
-   {PIPE_FORMAT_A8R8G8B8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x00000000), {0.0, 0.0, 0.0, 0.0}},
-   {PIPE_FORMAT_A8R8G8B8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x000000ff), {0.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_A8R8G8B8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x0000ff00), {1.0, 0.0, 0.0, 0.0}},
-   {PIPE_FORMAT_A8R8G8B8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x00ff0000), {0.0, 1.0, 0.0, 0.0}},
-   {PIPE_FORMAT_A8R8G8B8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0xff000000), {0.0, 0.0, 1.0, 0.0}},
-   {PIPE_FORMAT_A8R8G8B8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0xffffffff), {1.0, 1.0, 1.0, 1.0}},
-
-   {PIPE_FORMAT_X8R8G8B8_UNORM, PACKED_1x32(0xffffff00), PACKED_1x32(0x00000000), {0.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_X8R8G8B8_UNORM, PACKED_1x32(0xffffff00), PACKED_1x32(0x000000ff), {0.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_X8R8G8B8_UNORM, PACKED_1x32(0xffffff00), PACKED_1x32(0x0000ff00), {1.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_X8R8G8B8_UNORM, PACKED_1x32(0xffffff00), PACKED_1x32(0x00ff0000), {0.0, 1.0, 0.0, 1.0}},
-   {PIPE_FORMAT_X8R8G8B8_UNORM, PACKED_1x32(0xffffff00), PACKED_1x32(0xff000000), {0.0, 0.0, 1.0, 1.0}},
-   {PIPE_FORMAT_X8R8G8B8_UNORM, PACKED_1x32(0xffffff00), PACKED_1x32(0xffffffff), {1.0, 1.0, 1.0, 1.0}},
-
-   {PIPE_FORMAT_A8B8G8R8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x00000000), {0.0, 0.0, 0.0, 0.0}},
-   {PIPE_FORMAT_A8B8G8R8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x000000ff), {0.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_A8B8G8R8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x0000ff00), {0.0, 0.0, 1.0, 0.0}},
-   {PIPE_FORMAT_A8B8G8R8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x00ff0000), {0.0, 1.0, 0.0, 0.0}},
-   {PIPE_FORMAT_A8B8G8R8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0xff000000), {1.0, 0.0, 0.0, 0.0}},
-   {PIPE_FORMAT_A8B8G8R8_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0xffffffff), {1.0, 1.0, 1.0, 1.0}},
-
-   {PIPE_FORMAT_X8B8G8R8_UNORM, PACKED_1x32(0xffffff00), PACKED_1x32(0x00000000), {0.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_X8B8G8R8_UNORM, PACKED_1x32(0xffffff00), PACKED_1x32(0x000000ff), {0.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_X8B8G8R8_UNORM, PACKED_1x32(0xffffff00), PACKED_1x32(0x0000ff00), {0.0, 0.0, 1.0, 1.0}},
-   {PIPE_FORMAT_X8B8G8R8_UNORM, PACKED_1x32(0xffffff00), PACKED_1x32(0x00ff0000), {0.0, 1.0, 0.0, 1.0}},
-   {PIPE_FORMAT_X8B8G8R8_UNORM, PACKED_1x32(0xffffff00), PACKED_1x32(0xff000000), {1.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_X8B8G8R8_UNORM, PACKED_1x32(0xffffff00), PACKED_1x32(0xffffffff), {1.0, 1.0, 1.0, 1.0}},
-
-   {PIPE_FORMAT_R10G10B10A2_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x00000000), {0.0, 0.0, 0.0, 0.0}},
-   {PIPE_FORMAT_R10G10B10A2_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x000003ff), {1.0, 0.0, 0.0, 0.0}},
-   {PIPE_FORMAT_R10G10B10A2_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x000ffc00), {0.0, 1.0, 0.0, 0.0}},
-   {PIPE_FORMAT_R10G10B10A2_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x3ff00000), {0.0, 0.0, 1.0, 0.0}},
-   {PIPE_FORMAT_R10G10B10A2_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0xc0000000), {0.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R10G10B10A2_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0xffffffff), {1.0, 1.0, 1.0, 1.0}},
-
-   /*
-    * 16-bit rendertarget formats
-    */
-
-   {PIPE_FORMAT_B5G5R5A1_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0x0000), {0.0, 0.0, 0.0, 0.0}},
-   {PIPE_FORMAT_B5G5R5A1_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0x001f), {0.0, 0.0, 1.0, 0.0}},
-   {PIPE_FORMAT_B5G5R5A1_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0x03e0), {0.0, 1.0, 0.0, 0.0}},
-   {PIPE_FORMAT_B5G5R5A1_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0x7c00), {1.0, 0.0, 0.0, 0.0}},
-   {PIPE_FORMAT_B5G5R5A1_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0x8000), {0.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_B5G5R5A1_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0xffff), {1.0, 1.0, 1.0, 1.0}},
-
-   {PIPE_FORMAT_B4G4R4A4_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0x0000), {0.0, 0.0, 0.0, 0.0}},
-   {PIPE_FORMAT_B4G4R4A4_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0x000f), {0.0, 0.0, 1.0, 0.0}},
-   {PIPE_FORMAT_B4G4R4A4_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0x00f0), {0.0, 1.0, 0.0, 0.0}},
-   {PIPE_FORMAT_B4G4R4A4_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0x0f00), {1.0, 0.0, 0.0, 0.0}},
-   {PIPE_FORMAT_B4G4R4A4_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0xf000), {0.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_B4G4R4A4_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0xffff), {1.0, 1.0, 1.0, 1.0}},
-
-   {PIPE_FORMAT_B5G6R5_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0x0000), {0.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_B5G6R5_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0x001f), {0.0, 0.0, 1.0, 1.0}},
-   {PIPE_FORMAT_B5G6R5_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0x07e0), {0.0, 1.0, 0.0, 1.0}},
-   {PIPE_FORMAT_B5G6R5_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0xf800), {1.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_B5G6R5_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0xffff), {1.0, 1.0, 1.0, 1.0}},
-
-   /*
-    * Luminance/intensity/alpha formats
-    */
-
-   {PIPE_FORMAT_L8_UNORM, PACKED_1x8(0xff), PACKED_1x8(0x00), {0.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_L8_UNORM, PACKED_1x8(0xff), PACKED_1x8(0xff), {1.0, 1.0, 1.0, 1.0}},
-
-   {PIPE_FORMAT_A8_UNORM, PACKED_1x8(0xff), PACKED_1x8(0x00), {0.0, 0.0, 0.0, 0.0}},
-   {PIPE_FORMAT_A8_UNORM, PACKED_1x8(0xff), PACKED_1x8(0xff), {0.0, 0.0, 0.0, 1.0}},
-
-   {PIPE_FORMAT_I8_UNORM, PACKED_1x8(0xff), PACKED_1x8(0x00), {0.0, 0.0, 0.0, 0.0}},
-   {PIPE_FORMAT_I8_UNORM, PACKED_1x8(0xff), PACKED_1x8(0xff), {1.0, 1.0, 1.0, 1.0}},
-
-   {PIPE_FORMAT_L8A8_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0x0000), {0.0, 0.0, 0.0, 0.0}},
-   {PIPE_FORMAT_L8A8_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0x00ff), {1.0, 1.0, 1.0, 0.0}},
-   {PIPE_FORMAT_L8A8_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0xff00), {0.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_L8A8_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0xffff), {1.0, 1.0, 1.0, 1.0}},
-
-   {PIPE_FORMAT_L16_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0x0000), {0.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_L16_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0xffff), {1.0, 1.0, 1.0, 1.0}},
-
-   /*
-    * TODO: SRGB formats
-    */
-
-   /*
-    * Mixed-signed formats
-    */
-
-   {PIPE_FORMAT_R8SG8SB8UX8U_NORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0x00000000), { 0.0,  0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R8SG8SB8UX8U_NORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0x0000007f), { 1.0,  0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R8SG8SB8UX8U_NORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0x00000081), {-1.0,  0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R8SG8SB8UX8U_NORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0x00007f00), { 0.0,  1.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R8SG8SB8UX8U_NORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0x00008100), { 0.0, -1.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R8SG8SB8UX8U_NORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0x00ff0000), { 0.0,  0.0, 1.0, 1.0}},
-   {PIPE_FORMAT_R8SG8SB8UX8U_NORM, PACKED_1x32(0x00ffffff), PACKED_1x32(0xff000000), { 0.0,  0.0, 0.0, 1.0}},
-
-   {PIPE_FORMAT_R5SG5SB6U_NORM, PACKED_1x16(0xffff), PACKED_1x16(0x0000), { 0.0,  0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R5SG5SB6U_NORM, PACKED_1x16(0xffff), PACKED_1x16(0x000f), { 1.0,  0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R5SG5SB6U_NORM, PACKED_1x16(0xffff), PACKED_1x16(0x0011), {-1.0,  0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R5SG5SB6U_NORM, PACKED_1x16(0xffff), PACKED_1x16(0x01e0), { 0.0,  1.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R5SG5SB6U_NORM, PACKED_1x16(0xffff), PACKED_1x16(0x0220), { 0.0, -1.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R5SG5SB6U_NORM, PACKED_1x16(0xffff), PACKED_1x16(0xfc00), { 0.0,  0.0, 1.0, 1.0}},
-
-   /*
-    * TODO: Depth-stencil formats
-    */
-
-   /*
-    * TODO: YUV formats
-    */
-
-   /*
-    * TODO: Compressed formats
-    */
-
-   /*
-    * Standard 8-bit integer formats
-    */
-
-   {PIPE_FORMAT_R8_UNORM, PACKED_1x8(0xff), PACKED_1x8(0x00), {0.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R8_UNORM, PACKED_1x8(0xff), PACKED_1x8(0xff), {1.0, 0.0, 0.0, 1.0}},
-
-   {PIPE_FORMAT_R8G8_UNORM, PACKED_2x8(0xff, 0xff), PACKED_2x8(0x00, 0x00), {0.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R8G8_UNORM, PACKED_2x8(0xff, 0xff), PACKED_2x8(0xff, 0x00), {1.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R8G8_UNORM, PACKED_2x8(0xff, 0xff), PACKED_2x8(0x00, 0xff), {0.0, 1.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R8G8_UNORM, PACKED_2x8(0xff, 0xff), PACKED_2x8(0xff, 0xff), {1.0, 1.0, 0.0, 1.0}},
-
-   {PIPE_FORMAT_R8G8B8_UNORM, PACKED_3x8(0xff, 0xff, 0xff), PACKED_3x8(0x00, 0x00, 0x00), {0.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R8G8B8_UNORM, PACKED_3x8(0xff, 0xff, 0xff), PACKED_3x8(0xff, 0x00, 0x00), {1.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R8G8B8_UNORM, PACKED_3x8(0xff, 0xff, 0xff), PACKED_3x8(0x00, 0xff, 0x00), {0.0, 1.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R8G8B8_UNORM, PACKED_3x8(0xff, 0xff, 0xff), PACKED_3x8(0x00, 0x00, 0xff), {0.0, 0.0, 1.0, 1.0}},
-   {PIPE_FORMAT_R8G8B8_UNORM, PACKED_3x8(0xff, 0xff, 0xff), PACKED_3x8(0xff, 0xff, 0xff), {1.0, 1.0, 1.0, 1.0}},
-
-   {PIPE_FORMAT_R8G8B8A8_UNORM, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0x00, 0x00, 0x00), {0.0, 0.0, 0.0, 0.0}},
-   {PIPE_FORMAT_R8G8B8A8_UNORM, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0xff, 0x00, 0x00, 0x00), {1.0, 0.0, 0.0, 0.0}},
-   {PIPE_FORMAT_R8G8B8A8_UNORM, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0xff, 0x00, 0x00), {0.0, 1.0, 0.0, 0.0}},
-   {PIPE_FORMAT_R8G8B8A8_UNORM, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0x00, 0xff, 0x00), {0.0, 0.0, 1.0, 0.0}},
-   {PIPE_FORMAT_R8G8B8A8_UNORM, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0x00, 0x00, 0xff), {0.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R8G8B8A8_UNORM, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0xff, 0xff, 0xff, 0xff), {1.0, 1.0, 1.0, 1.0}},
-
-   {PIPE_FORMAT_R8_USCALED, PACKED_1x8(0xff), PACKED_1x8(0x00), {  0.0,   0.0,   0.0, 1.0}},
-   {PIPE_FORMAT_R8_USCALED, PACKED_1x8(0xff), PACKED_1x8(0xff), {255.0,   0.0,   0.0, 1.0}},
-
-   {PIPE_FORMAT_R8G8_USCALED, PACKED_2x8(0xff, 0xff), PACKED_2x8(0x00, 0x00), {  0.0,   0.0,   0.0, 1.0}},
-   {PIPE_FORMAT_R8G8_USCALED, PACKED_2x8(0xff, 0xff), PACKED_2x8(0xff, 0x00), {255.0,   0.0,   0.0, 1.0}},
-   {PIPE_FORMAT_R8G8_USCALED, PACKED_2x8(0xff, 0xff), PACKED_2x8(0x00, 0xff), {  0.0, 255.0,   0.0, 1.0}},
-   {PIPE_FORMAT_R8G8_USCALED, PACKED_2x8(0xff, 0xff), PACKED_2x8(0xff, 0xff), {255.0, 255.0,   0.0, 1.0}},
-
-   {PIPE_FORMAT_R8G8B8_USCALED, PACKED_3x8(0xff, 0xff, 0xff), PACKED_3x8(0x00, 0x00, 0x00), {  0.0,   0.0,   0.0, 1.0}},
-   {PIPE_FORMAT_R8G8B8_USCALED, PACKED_3x8(0xff, 0xff, 0xff), PACKED_3x8(0xff, 0x00, 0x00), {255.0,   0.0,   0.0, 1.0}},
-   {PIPE_FORMAT_R8G8B8_USCALED, PACKED_3x8(0xff, 0xff, 0xff), PACKED_3x8(0x00, 0xff, 0x00), {  0.0, 255.0,   0.0, 1.0}},
-   {PIPE_FORMAT_R8G8B8_USCALED, PACKED_3x8(0xff, 0xff, 0xff), PACKED_3x8(0x00, 0x00, 0xff), {  0.0,   0.0, 255.0, 1.0}},
-   {PIPE_FORMAT_R8G8B8_USCALED, PACKED_3x8(0xff, 0xff, 0xff), PACKED_3x8(0xff, 0xff, 0xff), {255.0, 255.0, 255.0, 1.0}},
-
-   {PIPE_FORMAT_R8G8B8A8_USCALED, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0x00, 0x00, 0x00), {  0.0,   0.0,   0.0,   0.0}},
-   {PIPE_FORMAT_R8G8B8A8_USCALED, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0xff, 0x00, 0x00, 0x00), {255.0,   0.0,   0.0,   0.0}},
-   {PIPE_FORMAT_R8G8B8A8_USCALED, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0xff, 0x00, 0x00), {  0.0, 255.0,   0.0,   0.0}},
-   {PIPE_FORMAT_R8G8B8A8_USCALED, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0x00, 0xff, 0x00), {  0.0,   0.0, 255.0,   0.0}},
-   {PIPE_FORMAT_R8G8B8A8_USCALED, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0x00, 0x00, 0xff), {  0.0,   0.0,   0.0, 255.0}},
-   {PIPE_FORMAT_R8G8B8A8_USCALED, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0xff, 0xff, 0xff, 0xff), {255.0, 255.0, 255.0, 255.0}},
-
-   {PIPE_FORMAT_R8_SNORM, PACKED_1x8(0xff), PACKED_1x8(0x00), { 0.0,  0.0,  0.0,  1.0}},
-   {PIPE_FORMAT_R8_SNORM, PACKED_1x8(0xff), PACKED_1x8(0x7f), { 1.0,  0.0,  0.0,  1.0}},
-   {PIPE_FORMAT_R8_SNORM, PACKED_1x8(0xff), PACKED_1x8(0x81), {-1.0,  0.0,  0.0,  1.0}},
-
-   {PIPE_FORMAT_R8G8_SNORM, PACKED_2x8(0xff, 0xff), PACKED_2x8(0x00, 0x00), { 0.0,  0.0,  0.0,  1.0}},
-   {PIPE_FORMAT_R8G8_SNORM, PACKED_2x8(0xff, 0xff), PACKED_2x8(0x7f, 0x00), { 1.0,  0.0,  0.0,  1.0}},
-   {PIPE_FORMAT_R8G8_SNORM, PACKED_2x8(0xff, 0xff), PACKED_2x8(0x81, 0x00), {-1.0,  0.0,  0.0,  1.0}},
-   {PIPE_FORMAT_R8G8_SNORM, PACKED_2x8(0xff, 0xff), PACKED_2x8(0x00, 0x7f), { 0.0,  1.0,  0.0,  1.0}},
-   {PIPE_FORMAT_R8G8_SNORM, PACKED_2x8(0xff, 0xff), PACKED_2x8(0x00, 0x81), { 0.0, -1.0,  0.0,  1.0}},
-
-   {PIPE_FORMAT_R8G8B8_SNORM, PACKED_3x8(0xff, 0xff, 0xff), PACKED_3x8(0x00, 0x00, 0x00), { 0.0,  0.0,  0.0,  1.0}},
-   {PIPE_FORMAT_R8G8B8_SNORM, PACKED_3x8(0xff, 0xff, 0xff), PACKED_3x8(0x7f, 0x00, 0x00), { 1.0,  0.0,  0.0,  1.0}},
-   {PIPE_FORMAT_R8G8B8_SNORM, PACKED_3x8(0xff, 0xff, 0xff), PACKED_3x8(0x81, 0x00, 0x00), {-1.0,  0.0,  0.0,  1.0}},
-   {PIPE_FORMAT_R8G8B8_SNORM, PACKED_3x8(0xff, 0xff, 0xff), PACKED_3x8(0x00, 0x7f, 0x00), { 0.0,  1.0,  0.0,  1.0}},
-   {PIPE_FORMAT_R8G8B8_SNORM, PACKED_3x8(0xff, 0xff, 0xff), PACKED_3x8(0x00, 0x81, 0x00), { 0.0, -1.0,  0.0,  1.0}},
-   {PIPE_FORMAT_R8G8B8_SNORM, PACKED_3x8(0xff, 0xff, 0xff), PACKED_3x8(0x00, 0x00, 0x7f), { 0.0,  0.0,  1.0,  1.0}},
-   {PIPE_FORMAT_R8G8B8_SNORM, PACKED_3x8(0xff, 0xff, 0xff), PACKED_3x8(0x00, 0x00, 0x81), { 0.0,  0.0, -1.0,  1.0}},
-
-   {PIPE_FORMAT_R8G8B8A8_SNORM, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0x00, 0x00, 0x00), { 0.0,  0.0,  0.0,  0.0}},
-   {PIPE_FORMAT_R8G8B8A8_SNORM, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x7f, 0x00, 0x00, 0x00), { 1.0,  0.0,  0.0,  0.0}},
-   {PIPE_FORMAT_R8G8B8A8_SNORM, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x81, 0x00, 0x00, 0x00), {-1.0,  0.0,  0.0,  0.0}},
-   {PIPE_FORMAT_R8G8B8A8_SNORM, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0x7f, 0x00, 0x00), { 0.0,  1.0,  0.0,  0.0}},
-   {PIPE_FORMAT_R8G8B8A8_SNORM, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0x81, 0x00, 0x00), { 0.0, -1.0,  0.0,  0.0}},
-   {PIPE_FORMAT_R8G8B8A8_SNORM, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0x00, 0x7f, 0x00), { 0.0,  0.0,  1.0,  0.0}},
-   {PIPE_FORMAT_R8G8B8A8_SNORM, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0x00, 0x81, 0x00), { 0.0,  0.0, -1.0,  0.0}},
-   {PIPE_FORMAT_R8G8B8A8_SNORM, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0x00, 0x00, 0x7f), { 0.0,  0.0,  0.0,  1.0}},
-   {PIPE_FORMAT_R8G8B8A8_SNORM, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0x00, 0x00, 0x81), { 0.0,  0.0,  0.0, -1.0}},
-
-   {PIPE_FORMAT_R8_SSCALED, PACKED_1x8(0xff), PACKED_1x8(0x00), {   0.0,    0.0,    0.0, 1.0}},
-   {PIPE_FORMAT_R8_SSCALED, PACKED_1x8(0xff), PACKED_1x8(0x7f), { 127.0,    0.0,    0.0, 1.0}},
-   {PIPE_FORMAT_R8_SSCALED, PACKED_1x8(0xff), PACKED_1x8(0x80), {-128.0,    0.0,    0.0, 1.0}},
-
-   {PIPE_FORMAT_R8G8_SSCALED, PACKED_2x8(0xff, 0xff), PACKED_2x8(0x00, 0x00), {   0.0,    0.0,    0.0, 1.0}},
-   {PIPE_FORMAT_R8G8_SSCALED, PACKED_2x8(0xff, 0xff), PACKED_2x8(0x7f, 0x00), { 127.0,    0.0,    0.0, 1.0}},
-   {PIPE_FORMAT_R8G8_SSCALED, PACKED_2x8(0xff, 0xff), PACKED_2x8(0x80, 0x00), {-128.0,    0.0,    0.0, 1.0}},
-   {PIPE_FORMAT_R8G8_SSCALED, PACKED_2x8(0xff, 0xff), PACKED_2x8(0x00, 0x7f), {   0.0,  127.0,    0.0, 1.0}},
-   {PIPE_FORMAT_R8G8_SSCALED, PACKED_2x8(0xff, 0xff), PACKED_2x8(0x00, 0x80), {   0.0, -128.0,    0.0, 1.0}},
-
-   {PIPE_FORMAT_R8G8B8_SSCALED, PACKED_3x8(0xff, 0xff, 0xff), PACKED_3x8(0x00, 0x00, 0x00), {   0.0,    0.0,    0.0, 1.0}},
-   {PIPE_FORMAT_R8G8B8_SSCALED, PACKED_3x8(0xff, 0xff, 0xff), PACKED_3x8(0x7f, 0x00, 0x00), { 127.0,    0.0,    0.0, 1.0}},
-   {PIPE_FORMAT_R8G8B8_SSCALED, PACKED_3x8(0xff, 0xff, 0xff), PACKED_3x8(0x80, 0x00, 0x00), {-128.0,    0.0,    0.0, 1.0}},
-   {PIPE_FORMAT_R8G8B8_SSCALED, PACKED_3x8(0xff, 0xff, 0xff), PACKED_3x8(0x00, 0x7f, 0x00), {   0.0,  127.0,    0.0, 1.0}},
-   {PIPE_FORMAT_R8G8B8_SSCALED, PACKED_3x8(0xff, 0xff, 0xff), PACKED_3x8(0x00, 0x80, 0x00), {   0.0, -128.0,    0.0, 1.0}},
-   {PIPE_FORMAT_R8G8B8_SSCALED, PACKED_3x8(0xff, 0xff, 0xff), PACKED_3x8(0x00, 0x00, 0x7f), {   0.0,    0.0,  127.0, 1.0}},
-   {PIPE_FORMAT_R8G8B8_SSCALED, PACKED_3x8(0xff, 0xff, 0xff), PACKED_3x8(0x00, 0x00, 0x80), {   0.0,    0.0, -128.0, 1.0}},
-
-   {PIPE_FORMAT_R8G8B8A8_SSCALED, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0x00, 0x00, 0x00), {   0.0,    0.0,    0.0,    0.0}},
-   {PIPE_FORMAT_R8G8B8A8_SSCALED, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x7f, 0x00, 0x00, 0x00), { 127.0,    0.0,    0.0,    0.0}},
-   {PIPE_FORMAT_R8G8B8A8_SSCALED, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x80, 0x00, 0x00, 0x00), {-128.0,    0.0,    0.0,    0.0}},
-   {PIPE_FORMAT_R8G8B8A8_SSCALED, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0x7f, 0x00, 0x00), {   0.0,  127.0,    0.0,    0.0}},
-   {PIPE_FORMAT_R8G8B8A8_SSCALED, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0x80, 0x00, 0x00), {   0.0, -128.0,    0.0,    0.0}},
-   {PIPE_FORMAT_R8G8B8A8_SSCALED, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0x00, 0x7f, 0x00), {   0.0,    0.0,  127.0,    0.0}},
-   {PIPE_FORMAT_R8G8B8A8_SSCALED, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0x00, 0x80, 0x00), {   0.0,    0.0, -128.0,    0.0}},
-   {PIPE_FORMAT_R8G8B8A8_SSCALED, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0x00, 0x00, 0x7f), {   0.0,    0.0,    0.0,  127.0}},
-   {PIPE_FORMAT_R8G8B8A8_SSCALED, PACKED_4x8(0xff, 0xff, 0xff, 0xff), PACKED_4x8(0x00, 0x00, 0x00, 0x80), {   0.0,    0.0,    0.0, -128.0}},
-
-   /*
-    * Standard 16-bit integer formats
-    */
-
-   {PIPE_FORMAT_R16_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0x0000), {0.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R16_UNORM, PACKED_1x16(0xffff), PACKED_1x16(0xffff), {1.0, 0.0, 0.0, 1.0}},
-
-   {PIPE_FORMAT_R16G16_UNORM, PACKED_2x16(0xffff, 0xffff), PACKED_2x16(0x0000, 0x0000), {0.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R16G16_UNORM, PACKED_2x16(0xffff, 0xffff), PACKED_2x16(0xffff, 0x0000), {1.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R16G16_UNORM, PACKED_2x16(0xffff, 0xffff), PACKED_2x16(0x0000, 0xffff), {0.0, 1.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R16G16_UNORM, PACKED_2x16(0xffff, 0xffff), PACKED_2x16(0xffff, 0xffff), {1.0, 1.0, 0.0, 1.0}},
-
-   {PIPE_FORMAT_R16G16B16_UNORM, PACKED_3x16(0xffff, 0xffff, 0xffff), PACKED_3x16(0x0000, 0x0000, 0x0000), {0.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R16G16B16_UNORM, PACKED_3x16(0xffff, 0xffff, 0xffff), PACKED_3x16(0xffff, 0x0000, 0x0000), {1.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R16G16B16_UNORM, PACKED_3x16(0xffff, 0xffff, 0xffff), PACKED_3x16(0x0000, 0xffff, 0x0000), {0.0, 1.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R16G16B16_UNORM, PACKED_3x16(0xffff, 0xffff, 0xffff), PACKED_3x16(0x0000, 0x0000, 0xffff), {0.0, 0.0, 1.0, 1.0}},
-   {PIPE_FORMAT_R16G16B16_UNORM, PACKED_3x16(0xffff, 0xffff, 0xffff), PACKED_3x16(0xffff, 0xffff, 0xffff), {1.0, 1.0, 1.0, 1.0}},
-
-   {PIPE_FORMAT_R16G16B16A16_UNORM, PACKED_4x16(0xffff, 0xffff, 0xffff, 0xffff), PACKED_4x16(0x0000, 0x0000, 0x0000, 0x0000), {0.0, 0.0, 0.0, 0.0}},
-   {PIPE_FORMAT_R16G16B16A16_UNORM, PACKED_4x16(0xffff, 0xffff, 0xffff, 0xffff), PACKED_4x16(0xffff, 0x0000, 0x0000, 0x0000), {1.0, 0.0, 0.0, 0.0}},
-   {PIPE_FORMAT_R16G16B16A16_UNORM, PACKED_4x16(0xffff, 0xffff, 0xffff, 0xffff), PACKED_4x16(0x0000, 0xffff, 0x0000, 0x0000), {0.0, 1.0, 0.0, 0.0}},
-   {PIPE_FORMAT_R16G16B16A16_UNORM, PACKED_4x16(0xffff, 0xffff, 0xffff, 0xffff), PACKED_4x16(0x0000, 0x0000, 0xffff, 0x0000), {0.0, 0.0, 1.0, 0.0}},
-   {PIPE_FORMAT_R16G16B16A16_UNORM, PACKED_4x16(0xffff, 0xffff, 0xffff, 0xffff), PACKED_4x16(0x0000, 0x0000, 0x0000, 0xffff), {0.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R16G16B16A16_UNORM, PACKED_4x16(0xffff, 0xffff, 0xffff, 0xffff), PACKED_4x16(0xffff, 0xffff, 0xffff, 0xffff), {1.0, 1.0, 1.0, 1.0}},
-
-   {PIPE_FORMAT_R16_USCALED, PACKED_1x16(0xffff), PACKED_1x16(0x0000), {    0.0,     0.0,     0.0,   1.0}},
-   {PIPE_FORMAT_R16_USCALED, PACKED_1x16(0xffff), PACKED_1x16(0xffff), {65535.0,     0.0,     0.0,   1.0}},
-
-   {PIPE_FORMAT_R16G16_USCALED, PACKED_2x16(0xffff, 0xffff), PACKED_2x16(0x0000, 0x0000), {    0.0,     0.0,     0.0,   1.0}},
-   {PIPE_FORMAT_R16G16_USCALED, PACKED_2x16(0xffff, 0xffff), PACKED_2x16(0xffff, 0x0000), {65535.0,     0.0,     0.0,   1.0}},
-   {PIPE_FORMAT_R16G16_USCALED, PACKED_2x16(0xffff, 0xffff), PACKED_2x16(0x0000, 0xffff), {    0.0, 65535.0,     0.0,   1.0}},
-   {PIPE_FORMAT_R16G16_USCALED, PACKED_2x16(0xffff, 0xffff), PACKED_2x16(0xffff, 0xffff), {65535.0, 65535.0,     0.0,   1.0}},
-
-   {PIPE_FORMAT_R16G16B16_USCALED, PACKED_3x16(0xffff, 0xffff, 0xffff), PACKED_3x16(0x0000, 0x0000, 0x0000), {    0.0,     0.0,     0.0,   1.0}},
-   {PIPE_FORMAT_R16G16B16_USCALED, PACKED_3x16(0xffff, 0xffff, 0xffff), PACKED_3x16(0xffff, 0x0000, 0x0000), {65535.0,     0.0,     0.0,   1.0}},
-   {PIPE_FORMAT_R16G16B16_USCALED, PACKED_3x16(0xffff, 0xffff, 0xffff), PACKED_3x16(0x0000, 0xffff, 0x0000), {    0.0, 65535.0,     0.0,   1.0}},
-   {PIPE_FORMAT_R16G16B16_USCALED, PACKED_3x16(0xffff, 0xffff, 0xffff), PACKED_3x16(0x0000, 0x0000, 0xffff), {    0.0,     0.0, 65535.0,   1.0}},
-   {PIPE_FORMAT_R16G16B16_USCALED, PACKED_3x16(0xffff, 0xffff, 0xffff), PACKED_3x16(0xffff, 0xffff, 0xffff), {65535.0, 65535.0, 65535.0,   1.0}},
-
-   {PIPE_FORMAT_R16G16B16A16_USCALED, PACKED_4x16(0xffff, 0xffff, 0xffff, 0xffff), PACKED_4x16(0x0000, 0x0000, 0x0000, 0x0000), {    0.0,     0.0,     0.0,     0.0}},
-   {PIPE_FORMAT_R16G16B16A16_USCALED, PACKED_4x16(0xffff, 0xffff, 0xffff, 0xffff), PACKED_4x16(0xffff, 0x0000, 0x0000, 0x0000), {65535.0,     0.0,     0.0,     0.0}},
-   {PIPE_FORMAT_R16G16B16A16_USCALED, PACKED_4x16(0xffff, 0xffff, 0xffff, 0xffff), PACKED_4x16(0x0000, 0xffff, 0x0000, 0x0000), {    0.0, 65535.0,     0.0,     0.0}},
-   {PIPE_FORMAT_R16G16B16A16_USCALED, PACKED_4x16(0xffff, 0xffff, 0xffff, 0xffff), PACKED_4x16(0x0000, 0x0000, 0xffff, 0x0000), {    0.0,     0.0, 65535.0,     0.0}},
-   {PIPE_FORMAT_R16G16B16A16_USCALED, PACKED_4x16(0xffff, 0xffff, 0xffff, 0xffff), PACKED_4x16(0x0000, 0x0000, 0x0000, 0xffff), {    0.0,     0.0,     0.0, 65535.0}},
-   {PIPE_FORMAT_R16G16B16A16_USCALED, PACKED_4x16(0xffff, 0xffff, 0xffff, 0xffff), PACKED_4x16(0xffff, 0xffff, 0xffff, 0xffff), {65535.0, 65535.0, 65535.0, 65535.0}},
-
-   {PIPE_FORMAT_R16_SNORM, PACKED_1x16(0xffff), PACKED_1x16(0x0000), {   0.0,    0.0,    0.0,    1.0}},
-   {PIPE_FORMAT_R16_SNORM, PACKED_1x16(0xffff), PACKED_1x16(0x7fff), {   1.0,    0.0,    0.0,    1.0}},
-   {PIPE_FORMAT_R16_SNORM, PACKED_1x16(0xffff), PACKED_1x16(0x8001), {  -1.0,    0.0,    0.0,    1.0}},
-
-   {PIPE_FORMAT_R16G16_SNORM, PACKED_2x16(0xffff, 0xffff), PACKED_2x16(0x0000, 0x0000), {   0.0,    0.0,    0.0,    1.0}},
-   {PIPE_FORMAT_R16G16_SNORM, PACKED_2x16(0xffff, 0xffff), PACKED_2x16(0x7fff, 0x0000), {   1.0,    0.0,    0.0,    1.0}},
-   {PIPE_FORMAT_R16G16_SNORM, PACKED_2x16(0xffff, 0xffff), PACKED_2x16(0x8001, 0x0000), {  -1.0,    0.0,    0.0,    1.0}},
-   {PIPE_FORMAT_R16G16_SNORM, PACKED_2x16(0xffff, 0xffff), PACKED_2x16(0x0000, 0x7fff), {   0.0,    1.0,    0.0,    1.0}},
-   {PIPE_FORMAT_R16G16_SNORM, PACKED_2x16(0xffff, 0xffff), PACKED_2x16(0x0000, 0x8001), {   0.0,   -1.0,    0.0,    1.0}},
-
-   {PIPE_FORMAT_R16G16B16_SNORM, PACKED_3x16(0xffff, 0xffff, 0xffff), PACKED_3x16(0x0000, 0x0000, 0x0000), {   0.0,    0.0,    0.0,    1.0}},
-   {PIPE_FORMAT_R16G16B16_SNORM, PACKED_3x16(0xffff, 0xffff, 0xffff), PACKED_3x16(0x7fff, 0x0000, 0x0000), {   1.0,    0.0,    0.0,    1.0}},
-   {PIPE_FORMAT_R16G16B16_SNORM, PACKED_3x16(0xffff, 0xffff, 0xffff), PACKED_3x16(0x8001, 0x0000, 0x0000), {  -1.0,    0.0,    0.0,    1.0}},
-   {PIPE_FORMAT_R16G16B16_SNORM, PACKED_3x16(0xffff, 0xffff, 0xffff), PACKED_3x16(0x0000, 0x7fff, 0x0000), {   0.0,    1.0,    0.0,    1.0}},
-   {PIPE_FORMAT_R16G16B16_SNORM, PACKED_3x16(0xffff, 0xffff, 0xffff), PACKED_3x16(0x0000, 0x8001, 0x0000), {   0.0,   -1.0,    0.0,    1.0}},
-   {PIPE_FORMAT_R16G16B16_SNORM, PACKED_3x16(0xffff, 0xffff, 0xffff), PACKED_3x16(0x0000, 0x0000, 0x7fff), {   0.0,    0.0,    1.0,    1.0}},
-   {PIPE_FORMAT_R16G16B16_SNORM, PACKED_3x16(0xffff, 0xffff, 0xffff), PACKED_3x16(0x0000, 0x0000, 0x8001), {   0.0,    0.0,   -1.0,    1.0}},
-
-   {PIPE_FORMAT_R16G16B16A16_SNORM, PACKED_4x16(0xffff, 0xffff, 0xffff, 0xffff), PACKED_4x16(0x0000, 0x0000, 0x0000, 0x0000), {   0.0,    0.0,    0.0,    0.0}},
-   {PIPE_FORMAT_R16G16B16A16_SNORM, PACKED_4x16(0xffff, 0xffff, 0xffff, 0xffff), PACKED_4x16(0x7fff, 0x0000, 0x0000, 0x0000), {   1.0,    0.0,    0.0,    0.0}},
-   {PIPE_FORMAT_R16G16B16A16_SNORM, PACKED_4x16(0xffff, 0xffff, 0xffff, 0xffff), PACKED_4x16(0x8001, 0x0000, 0x0000, 0x0000), {  -1.0,    0.0,    0.0,    0.0}},
-   {PIPE_FORMAT_R16G16B16A16_SNORM, PACKED_4x16(0xffff, 0xffff, 0xffff, 0xffff), PACKED_4x16(0x0000, 0x7fff, 0x0000, 0x0000), {   0.0,    1.0,    0.0,    0.0}},
-   {PIPE_FORMAT_R16G16B16A16_SNORM, PACKED_4x16(0xffff, 0xffff, 0xffff, 0xffff), PACKED_4x16(0x0000, 0x8001, 0x0000, 0x0000), {   0.0,   -1.0,    0.0,    0.0}},
-   {PIPE_FORMAT_R16G16B16A16_SNORM, PACKED_4x16(0xffff, 0xffff, 0xffff, 0xffff), PACKED_4x16(0x0000, 0x0000, 0x7fff, 0x0000), {   0.0,    0.0,    1.0,    0.0}},
-   {PIPE_FORMAT_R16G16B16A16_SNORM, PACKED_4x16(0xffff, 0xffff, 0xffff, 0xffff), PACKED_4x16(0x0000, 0x0000, 0x8001, 0x0000), {   0.0,    0.0,   -1.0,    0.0}},
-   {PIPE_FORMAT_R16G16B16A16_SNORM, PACKED_4x16(0xffff, 0xffff, 0xffff, 0xffff), PACKED_4x16(0x0000, 0x0000, 0x0000, 0x7fff), {   0.0,    0.0,    0.0,    1.0}},
-   {PIPE_FORMAT_R16G16B16A16_SNORM, PACKED_4x16(0xffff, 0xffff, 0xffff, 0xffff), PACKED_4x16(0x0000, 0x0000, 0x0000, 0x8001), {   0.0,    0.0,    0.0,   -1.0}},
-
-   {PIPE_FORMAT_R16_SSCALED, PACKED_1x16(0xffff), PACKED_1x16(0x0000), {     0.0,      0.0,      0.0,   1.0}},
-   {PIPE_FORMAT_R16_SSCALED, PACKED_1x16(0xffff), PACKED_1x16(0x7fff), { 32767.0,      0.0,      0.0,   1.0}},
-   {PIPE_FORMAT_R16_SSCALED, PACKED_1x16(0xffff), PACKED_1x16(0x8000), {-32768.0,      0.0,      0.0,   1.0}},
-
-   {PIPE_FORMAT_R16G16_SSCALED, PACKED_2x16(0xffff, 0xffff), PACKED_2x16(0x0000, 0x0000), {     0.0,      0.0,      0.0,   1.0}},
-   {PIPE_FORMAT_R16G16_SSCALED, PACKED_2x16(0xffff, 0xffff), PACKED_2x16(0x7fff, 0x0000), { 32767.0,      0.0,      0.0,   1.0}},
-   {PIPE_FORMAT_R16G16_SSCALED, PACKED_2x16(0xffff, 0xffff), PACKED_2x16(0x8000, 0x0000), {-32768.0,      0.0,      0.0,   1.0}},
-   {PIPE_FORMAT_R16G16_SSCALED, PACKED_2x16(0xffff, 0xffff), PACKED_2x16(0x0000, 0x7fff), {     0.0,  32767.0,      0.0,   1.0}},
-   {PIPE_FORMAT_R16G16_SSCALED, PACKED_2x16(0xffff, 0xffff), PACKED_2x16(0x0000, 0x8000), {     0.0, -32768.0,      0.0,   1.0}},
-
-   {PIPE_FORMAT_R16G16B16_SSCALED, PACKED_3x16(0xffff, 0xffff, 0xffff), PACKED_3x16(0x0000, 0x0000, 0x0000), {     0.0,      0.0,      0.0,   1.0}},
-   {PIPE_FORMAT_R16G16B16_SSCALED, PACKED_3x16(0xffff, 0xffff, 0xffff), PACKED_3x16(0x7fff, 0x0000, 0x0000), { 32767.0,      0.0,      0.0,   1.0}},
-   {PIPE_FORMAT_R16G16B16_SSCALED, PACKED_3x16(0xffff, 0xffff, 0xffff), PACKED_3x16(0x8000, 0x0000, 0x0000), {-32768.0,      0.0,      0.0,   1.0}},
-   {PIPE_FORMAT_R16G16B16_SSCALED, PACKED_3x16(0xffff, 0xffff, 0xffff), PACKED_3x16(0x0000, 0x7fff, 0x0000), {     0.0,  32767.0,      0.0,   1.0}},
-   {PIPE_FORMAT_R16G16B16_SSCALED, PACKED_3x16(0xffff, 0xffff, 0xffff), PACKED_3x16(0x0000, 0x8000, 0x0000), {     0.0, -32768.0,      0.0,   1.0}},
-   {PIPE_FORMAT_R16G16B16_SSCALED, PACKED_3x16(0xffff, 0xffff, 0xffff), PACKED_3x16(0x0000, 0x0000, 0x7fff), {     0.0,      0.0,  32767.0,   1.0}},
-   {PIPE_FORMAT_R16G16B16_SSCALED, PACKED_3x16(0xffff, 0xffff, 0xffff), PACKED_3x16(0x0000, 0x0000, 0x8000), {     0.0,      0.0, -32768.0,   1.0}},
-
-   {PIPE_FORMAT_R16G16B16A16_SSCALED, PACKED_4x16(0xffff, 0xffff, 0xffff, 0xffff), PACKED_4x16(0x0000, 0x0000, 0x0000, 0x0000), {     0.0,      0.0,      0.0,      0.0}},
-   {PIPE_FORMAT_R16G16B16A16_SSCALED, PACKED_4x16(0xffff, 0xffff, 0xffff, 0xffff), PACKED_4x16(0x7fff, 0x0000, 0x0000, 0x0000), { 32767.0,      0.0,      0.0,      0.0}},
-   {PIPE_FORMAT_R16G16B16A16_SSCALED, PACKED_4x16(0xffff, 0xffff, 0xffff, 0xffff), PACKED_4x16(0x8000, 0x0000, 0x0000, 0x0000), {-32768.0,      0.0,      0.0,      0.0}},
-   {PIPE_FORMAT_R16G16B16A16_SSCALED, PACKED_4x16(0xffff, 0xffff, 0xffff, 0xffff), PACKED_4x16(0x0000, 0x7fff, 0x0000, 0x0000), {     0.0,  32767.0,      0.0,      0.0}},
-   {PIPE_FORMAT_R16G16B16A16_SSCALED, PACKED_4x16(0xffff, 0xffff, 0xffff, 0xffff), PACKED_4x16(0x0000, 0x8000, 0x0000, 0x0000), {     0.0, -32768.0,      0.0,      0.0}},
-   {PIPE_FORMAT_R16G16B16A16_SSCALED, PACKED_4x16(0xffff, 0xffff, 0xffff, 0xffff), PACKED_4x16(0x0000, 0x0000, 0x7fff, 0x0000), {     0.0,      0.0,  32767.0,      0.0}},
-   {PIPE_FORMAT_R16G16B16A16_SSCALED, PACKED_4x16(0xffff, 0xffff, 0xffff, 0xffff), PACKED_4x16(0x0000, 0x0000, 0x8000, 0x0000), {     0.0,      0.0, -32768.0,      0.0}},
-   {PIPE_FORMAT_R16G16B16A16_SSCALED, PACKED_4x16(0xffff, 0xffff, 0xffff, 0xffff), PACKED_4x16(0x0000, 0x0000, 0x0000, 0x7fff), {     0.0,      0.0,      0.0,  32767.0}},
-   {PIPE_FORMAT_R16G16B16A16_SSCALED, PACKED_4x16(0xffff, 0xffff, 0xffff, 0xffff), PACKED_4x16(0x0000, 0x0000, 0x0000, 0x8000), {     0.0,      0.0,      0.0, -32768.0}},
-
-   /*
-    * Standard 32-bit integer formats
-    *
-    * NOTE: We can't accurately represent integers larger than +/-0x1000000
-    * with single precision floats, so that's as far as we test.
-    */
-
-   {PIPE_FORMAT_R32_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x00000000), {0.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R32_UNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0xffffffff), {1.0, 0.0, 0.0, 1.0}},
-
-   {PIPE_FORMAT_R32G32_UNORM, PACKED_2x32(0xffffffff, 0xffffffff), PACKED_2x32(0x00000000, 0x00000000), {0.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R32G32_UNORM, PACKED_2x32(0xffffffff, 0xffffffff), PACKED_2x32(0xffffffff, 0x00000000), {1.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R32G32_UNORM, PACKED_2x32(0xffffffff, 0xffffffff), PACKED_2x32(0x00000000, 0xffffffff), {0.0, 1.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R32G32_UNORM, PACKED_2x32(0xffffffff, 0xffffffff), PACKED_2x32(0xffffffff, 0xffffffff), {1.0, 1.0, 0.0, 1.0}},
-
-   {PIPE_FORMAT_R32G32B32_UNORM, PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), PACKED_3x32(0x00000000, 0x00000000, 0x00000000), {0.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R32G32B32_UNORM, PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), PACKED_3x32(0xffffffff, 0x00000000, 0x00000000), {1.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R32G32B32_UNORM, PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), PACKED_3x32(0x00000000, 0xffffffff, 0x00000000), {0.0, 1.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R32G32B32_UNORM, PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), PACKED_3x32(0x00000000, 0x00000000, 0xffffffff), {0.0, 0.0, 1.0, 1.0}},
-   {PIPE_FORMAT_R32G32B32_UNORM, PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), {1.0, 1.0, 1.0, 1.0}},
-
-   {PIPE_FORMAT_R32G32B32A32_UNORM, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x00000000, 0x00000000, 0x00000000, 0x00000000), {0.0, 0.0, 0.0, 0.0}},
-   {PIPE_FORMAT_R32G32B32A32_UNORM, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0xffffffff, 0x00000000, 0x00000000, 0x00000000), {1.0, 0.0, 0.0, 0.0}},
-   {PIPE_FORMAT_R32G32B32A32_UNORM, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x00000000, 0xffffffff, 0x00000000, 0x00000000), {0.0, 1.0, 0.0, 0.0}},
-   {PIPE_FORMAT_R32G32B32A32_UNORM, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x00000000, 0x00000000, 0xffffffff, 0x00000000), {0.0, 0.0, 1.0, 0.0}},
-   {PIPE_FORMAT_R32G32B32A32_UNORM, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x00000000, 0x00000000, 0x00000000, 0xffffffff), {0.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R32G32B32A32_UNORM, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), {1.0, 1.0, 1.0, 1.0}},
-
-   {PIPE_FORMAT_R32_USCALED, PACKED_1x32(0xffffffff), PACKED_1x32(0x00000000), {       0.0,        0.0,        0.0,   1.0}},
-   {PIPE_FORMAT_R32_USCALED, PACKED_1x32(0xffffffff), PACKED_1x32(0x01000000), {16777216.0,        0.0,        0.0,   1.0}},
-
-   {PIPE_FORMAT_R32G32_USCALED, PACKED_2x32(0xffffffff, 0xffffffff), PACKED_2x32(0x00000000, 0x00000000), {       0.0,        0.0,        0.0,   1.0}},
-   {PIPE_FORMAT_R32G32_USCALED, PACKED_2x32(0xffffffff, 0xffffffff), PACKED_2x32(0x01000000, 0x00000000), {16777216.0,        0.0,        0.0,   1.0}},
-   {PIPE_FORMAT_R32G32_USCALED, PACKED_2x32(0xffffffff, 0xffffffff), PACKED_2x32(0x00000000, 0x01000000), {       0.0, 16777216.0,        0.0,   1.0}},
-   {PIPE_FORMAT_R32G32_USCALED, PACKED_2x32(0xffffffff, 0xffffffff), PACKED_2x32(0x01000000, 0x01000000), {16777216.0, 16777216.0,        0.0,   1.0}},
-
-   {PIPE_FORMAT_R32G32B32_USCALED, PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), PACKED_3x32(0x00000000, 0x00000000, 0x00000000), {       0.0,        0.0,        0.0,   1.0}},
-   {PIPE_FORMAT_R32G32B32_USCALED, PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), PACKED_3x32(0x01000000, 0x00000000, 0x00000000), {16777216.0,        0.0,        0.0,   1.0}},
-   {PIPE_FORMAT_R32G32B32_USCALED, PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), PACKED_3x32(0x00000000, 0x01000000, 0x00000000), {       0.0, 16777216.0,        0.0,   1.0}},
-   {PIPE_FORMAT_R32G32B32_USCALED, PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), PACKED_3x32(0x00000000, 0x00000000, 0x01000000), {       0.0,        0.0, 16777216.0,   1.0}},
-   {PIPE_FORMAT_R32G32B32_USCALED, PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), PACKED_3x32(0x01000000, 0x01000000, 0x01000000), {16777216.0, 16777216.0, 16777216.0,   1.0}},
-
-   {PIPE_FORMAT_R32G32B32A32_USCALED, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x00000000, 0x00000000, 0x00000000, 0x00000000), {       0.0,        0.0,        0.0,        0.0}},
-   {PIPE_FORMAT_R32G32B32A32_USCALED, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x01000000, 0x00000000, 0x00000000, 0x00000000), {16777216.0,        0.0,        0.0,        0.0}},
-   {PIPE_FORMAT_R32G32B32A32_USCALED, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x00000000, 0x01000000, 0x00000000, 0x00000000), {       0.0, 16777216.0,        0.0,        0.0}},
-   {PIPE_FORMAT_R32G32B32A32_USCALED, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x00000000, 0x00000000, 0x01000000, 0x00000000), {       0.0,        0.0, 16777216.0,        0.0}},
-   {PIPE_FORMAT_R32G32B32A32_USCALED, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x00000000, 0x00000000, 0x00000000, 0x01000000), {       0.0,        0.0,        0.0, 16777216.0}},
-   {PIPE_FORMAT_R32G32B32A32_USCALED, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x01000000, 0x01000000, 0x01000000, 0x01000000), {16777216.0, 16777216.0, 16777216.0, 16777216.0}},
-
-   {PIPE_FORMAT_R32_SNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x00000000), {   0.0,    0.0,    0.0,    1.0}},
-   {PIPE_FORMAT_R32_SNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x7fffffff), {   1.0,    0.0,    0.0,    1.0}},
-   {PIPE_FORMAT_R32_SNORM, PACKED_1x32(0xffffffff), PACKED_1x32(0x80000001), {  -1.0,    0.0,    0.0,    1.0}},
-
-   {PIPE_FORMAT_R32G32_SNORM, PACKED_2x32(0xffffffff, 0xffffffff), PACKED_2x32(0x00000000, 0x00000000), {   0.0,    0.0,    0.0,    1.0}},
-   {PIPE_FORMAT_R32G32_SNORM, PACKED_2x32(0xffffffff, 0xffffffff), PACKED_2x32(0x7fffffff, 0x00000000), {   1.0,    0.0,    0.0,    1.0}},
-   {PIPE_FORMAT_R32G32_SNORM, PACKED_2x32(0xffffffff, 0xffffffff), PACKED_2x32(0x80000001, 0x00000000), {  -1.0,    0.0,    0.0,    1.0}},
-   {PIPE_FORMAT_R32G32_SNORM, PACKED_2x32(0xffffffff, 0xffffffff), PACKED_2x32(0x00000000, 0x7fffffff), {   0.0,    1.0,    0.0,    1.0}},
-   {PIPE_FORMAT_R32G32_SNORM, PACKED_2x32(0xffffffff, 0xffffffff), PACKED_2x32(0x00000000, 0x80000001), {   0.0,   -1.0,    0.0,    1.0}},
-
-   {PIPE_FORMAT_R32G32B32_SNORM, PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), PACKED_3x32(0x00000000, 0x00000000, 0x00000000), {   0.0,    0.0,    0.0,    1.0}},
-   {PIPE_FORMAT_R32G32B32_SNORM, PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), PACKED_3x32(0x7fffffff, 0x00000000, 0x00000000), {   1.0,    0.0,    0.0,    1.0}},
-   {PIPE_FORMAT_R32G32B32_SNORM, PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), PACKED_3x32(0x80000001, 0x00000000, 0x00000000), {  -1.0,    0.0,    0.0,    1.0}},
-   {PIPE_FORMAT_R32G32B32_SNORM, PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), PACKED_3x32(0x00000000, 0x7fffffff, 0x00000000), {   0.0,    1.0,    0.0,    1.0}},
-   {PIPE_FORMAT_R32G32B32_SNORM, PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), PACKED_3x32(0x00000000, 0x80000001, 0x00000000), {   0.0,   -1.0,    0.0,    1.0}},
-   {PIPE_FORMAT_R32G32B32_SNORM, PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), PACKED_3x32(0x00000000, 0x00000000, 0x7fffffff), {   0.0,    0.0,    1.0,    1.0}},
-   {PIPE_FORMAT_R32G32B32_SNORM, PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), PACKED_3x32(0x00000000, 0x00000000, 0x80000001), {   0.0,    0.0,   -1.0,    1.0}},
-
-   {PIPE_FORMAT_R32G32B32A32_SNORM, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x00000000, 0x00000000, 0x00000000, 0x00000000), {   0.0,    0.0,    0.0,    0.0}},
-   {PIPE_FORMAT_R32G32B32A32_SNORM, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x7fffffff, 0x00000000, 0x00000000, 0x00000000), {   1.0,    0.0,    0.0,    0.0}},
-   {PIPE_FORMAT_R32G32B32A32_SNORM, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x80000001, 0x00000000, 0x00000000, 0x00000000), {  -1.0,    0.0,    0.0,    0.0}},
-   {PIPE_FORMAT_R32G32B32A32_SNORM, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x00000000, 0x7fffffff, 0x00000000, 0x00000000), {   0.0,    1.0,    0.0,    0.0}},
-   {PIPE_FORMAT_R32G32B32A32_SNORM, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x00000000, 0x80000001, 0x00000000, 0x00000000), {   0.0,   -1.0,    0.0,    0.0}},
-   {PIPE_FORMAT_R32G32B32A32_SNORM, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x00000000, 0x00000000, 0x7fffffff, 0x00000000), {   0.0,    0.0,    1.0,    0.0}},
-   {PIPE_FORMAT_R32G32B32A32_SNORM, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x00000000, 0x00000000, 0x80000001, 0x00000000), {   0.0,    0.0,   -1.0,    0.0}},
-   {PIPE_FORMAT_R32G32B32A32_SNORM, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x00000000, 0x00000000, 0x00000000, 0x7fffffff), {   0.0,    0.0,    0.0,    1.0}},
-   {PIPE_FORMAT_R32G32B32A32_SNORM, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x00000000, 0x00000000, 0x00000000, 0x80000001), {   0.0,    0.0,    0.0,   -1.0}},
-
-   {PIPE_FORMAT_R32_SSCALED, PACKED_1x32(0xffffffff), PACKED_1x32(0x00000000), {        0.0,         0.0,         0.0,   1.0}},
-   {PIPE_FORMAT_R32_SSCALED, PACKED_1x32(0xffffffff), PACKED_1x32(0x01000000), { 16777216.0,         0.0,         0.0,   1.0}},
-   {PIPE_FORMAT_R32_SSCALED, PACKED_1x32(0xffffffff), PACKED_1x32(0xff000000), {-16777216.0,         0.0,         0.0,   1.0}},
-
-   {PIPE_FORMAT_R32G32_SSCALED, PACKED_2x32(0xffffffff, 0xffffffff), PACKED_2x32(0x00000000, 0x00000000), {        0.0,         0.0,         0.0,   1.0}},
-   {PIPE_FORMAT_R32G32_SSCALED, PACKED_2x32(0xffffffff, 0xffffffff), PACKED_2x32(0x01000000, 0x00000000), { 16777216.0,         0.0,         0.0,   1.0}},
-   {PIPE_FORMAT_R32G32_SSCALED, PACKED_2x32(0xffffffff, 0xffffffff), PACKED_2x32(0xff000000, 0x00000000), {-16777216.0,         0.0,         0.0,   1.0}},
-   {PIPE_FORMAT_R32G32_SSCALED, PACKED_2x32(0xffffffff, 0xffffffff), PACKED_2x32(0x00000000, 0x01000000), {        0.0,  16777216.0,         0.0,   1.0}},
-   {PIPE_FORMAT_R32G32_SSCALED, PACKED_2x32(0xffffffff, 0xffffffff), PACKED_2x32(0x00000000, 0xff000000), {        0.0, -16777216.0,         0.0,   1.0}},
-
-   {PIPE_FORMAT_R32G32B32_SSCALED, PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), PACKED_3x32(0x00000000, 0x00000000, 0x00000000), {        0.0,         0.0,         0.0,   1.0}},
-   {PIPE_FORMAT_R32G32B32_SSCALED, PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), PACKED_3x32(0x01000000, 0x00000000, 0x00000000), { 16777216.0,         0.0,         0.0,   1.0}},
-   {PIPE_FORMAT_R32G32B32_SSCALED, PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), PACKED_3x32(0xff000000, 0x00000000, 0x00000000), {-16777216.0,         0.0,         0.0,   1.0}},
-   {PIPE_FORMAT_R32G32B32_SSCALED, PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), PACKED_3x32(0x00000000, 0x01000000, 0x00000000), {        0.0,  16777216.0,         0.0,   1.0}},
-   {PIPE_FORMAT_R32G32B32_SSCALED, PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), PACKED_3x32(0x00000000, 0xff000000, 0x00000000), {        0.0, -16777216.0,         0.0,   1.0}},
-   {PIPE_FORMAT_R32G32B32_SSCALED, PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), PACKED_3x32(0x00000000, 0x00000000, 0x01000000), {        0.0,         0.0,  16777216.0,   1.0}},
-   {PIPE_FORMAT_R32G32B32_SSCALED, PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), PACKED_3x32(0x00000000, 0x00000000, 0xff000000), {        0.0,         0.0, -16777216.0,   1.0}},
-
-   {PIPE_FORMAT_R32G32B32A32_SSCALED, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x00000000, 0x00000000, 0x00000000, 0x00000000), {        0.0,         0.0,         0.0,         0.0}},
-   {PIPE_FORMAT_R32G32B32A32_SSCALED, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x01000000, 0x00000000, 0x00000000, 0x00000000), { 16777216.0,         0.0,         0.0,         0.0}},
-   {PIPE_FORMAT_R32G32B32A32_SSCALED, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0xff000000, 0x00000000, 0x00000000, 0x00000000), {-16777216.0,         0.0,         0.0,         0.0}},
-   {PIPE_FORMAT_R32G32B32A32_SSCALED, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x00000000, 0x01000000, 0x00000000, 0x00000000), {        0.0,  16777216.0,         0.0,         0.0}},
-   {PIPE_FORMAT_R32G32B32A32_SSCALED, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x00000000, 0xff000000, 0x00000000, 0x00000000), {        0.0, -16777216.0,         0.0,         0.0}},
-   {PIPE_FORMAT_R32G32B32A32_SSCALED, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x00000000, 0x00000000, 0x01000000, 0x00000000), {        0.0,         0.0,  16777216.0,         0.0}},
-   {PIPE_FORMAT_R32G32B32A32_SSCALED, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x00000000, 0x00000000, 0xff000000, 0x00000000), {        0.0,         0.0, -16777216.0,         0.0}},
-   {PIPE_FORMAT_R32G32B32A32_SSCALED, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x00000000, 0x00000000, 0x00000000, 0x01000000), {        0.0,         0.0,         0.0,  16777216.0}},
-   {PIPE_FORMAT_R32G32B32A32_SSCALED, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x00000000, 0x00000000, 0x00000000, 0xff000000), {        0.0,         0.0,         0.0, -16777216.0}},
-
-   /*
-    * Standard 32-bit float formats
-    */
-
-   {PIPE_FORMAT_R32_FLOAT, PACKED_1x32(0xffffffff), PACKED_1x32(0x00000000), {  0.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R32_FLOAT, PACKED_1x32(0xffffffff), PACKED_1x32(0x3f800000), {  1.0, 0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R32_FLOAT, PACKED_1x32(0xffffffff), PACKED_1x32(0xbf800000), { -1.0, 0.0, 0.0, 1.0}},
-
-   {PIPE_FORMAT_R32G32_FLOAT, PACKED_2x32(0xffffffff, 0xffffffff), PACKED_2x32(0x00000000, 0x00000000), { 0.0,  0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R32G32_FLOAT, PACKED_2x32(0xffffffff, 0xffffffff), PACKED_2x32(0x3f800000, 0x00000000), { 1.0,  0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R32G32_FLOAT, PACKED_2x32(0xffffffff, 0xffffffff), PACKED_2x32(0xbf800000, 0x00000000), {-1.0,  0.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R32G32_FLOAT, PACKED_2x32(0xffffffff, 0xffffffff), PACKED_2x32(0x00000000, 0x3f800000), { 0.0,  1.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R32G32_FLOAT, PACKED_2x32(0xffffffff, 0xffffffff), PACKED_2x32(0x00000000, 0xbf800000), { 0.0, -1.0, 0.0, 1.0}},
-   {PIPE_FORMAT_R32G32_FLOAT, PACKED_2x32(0xffffffff, 0xffffffff), PACKED_2x32(0x3f800000, 0x3f800000), { 1.0,  1.0, 0.0, 1.0}},
-
-   {PIPE_FORMAT_R32G32B32_FLOAT, PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), PACKED_3x32(0x00000000, 0x00000000, 0x00000000), { 0.0,  0.0,  0.0, 1.0}},
-   {PIPE_FORMAT_R32G32B32_FLOAT, PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), PACKED_3x32(0x3f800000, 0x00000000, 0x00000000), { 1.0,  0.0,  0.0, 1.0}},
-   {PIPE_FORMAT_R32G32B32_FLOAT, PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), PACKED_3x32(0xbf800000, 0x00000000, 0x00000000), {-1.0,  0.0,  0.0, 1.0}},
-   {PIPE_FORMAT_R32G32B32_FLOAT, PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), PACKED_3x32(0x00000000, 0x3f800000, 0x00000000), { 0.0,  1.0,  0.0, 1.0}},
-   {PIPE_FORMAT_R32G32B32_FLOAT, PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), PACKED_3x32(0x00000000, 0xbf800000, 0x00000000), { 0.0, -1.0,  0.0, 1.0}},
-   {PIPE_FORMAT_R32G32B32_FLOAT, PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), PACKED_3x32(0x00000000, 0x00000000, 0x3f800000), { 0.0,  0.0,  1.0, 1.0}},
-   {PIPE_FORMAT_R32G32B32_FLOAT, PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), PACKED_3x32(0x00000000, 0x00000000, 0xbf800000), { 0.0,  0.0, -1.0, 1.0}},
-   {PIPE_FORMAT_R32G32B32_FLOAT, PACKED_3x32(0xffffffff, 0xffffffff, 0xffffffff), PACKED_3x32(0x3f800000, 0x3f800000, 0x3f800000), { 1.0,  1.0,  1.0, 1.0}},
-
-   {PIPE_FORMAT_R32G32B32A32_FLOAT, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x00000000, 0x00000000, 0x00000000, 0x00000000), { 0.0,  0.0,  0.0,  0.0}},
-   {PIPE_FORMAT_R32G32B32A32_FLOAT, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x3f800000, 0x00000000, 0x00000000, 0x00000000), { 1.0,  0.0,  0.0,  0.0}},
-   {PIPE_FORMAT_R32G32B32A32_FLOAT, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0xbf800000, 0x00000000, 0x00000000, 0x00000000), {-1.0,  0.0,  0.0,  0.0}},
-   {PIPE_FORMAT_R32G32B32A32_FLOAT, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x00000000, 0x3f800000, 0x00000000, 0x00000000), { 0.0,  1.0,  0.0,  0.0}},
-   {PIPE_FORMAT_R32G32B32A32_FLOAT, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x00000000, 0xbf800000, 0x00000000, 0x00000000), { 0.0, -1.0,  0.0,  0.0}},
-   {PIPE_FORMAT_R32G32B32A32_FLOAT, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x00000000, 0x00000000, 0x3f800000, 0x00000000), { 0.0,  0.0,  1.0,  0.0}},
-   {PIPE_FORMAT_R32G32B32A32_FLOAT, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x00000000, 0x00000000, 0xbf800000, 0x00000000), { 0.0,  0.0, -1.0,  0.0}},
-   {PIPE_FORMAT_R32G32B32A32_FLOAT, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x00000000, 0x00000000, 0x00000000, 0x3f800000), { 0.0,  0.0,  0.0,  1.0}},
-   {PIPE_FORMAT_R32G32B32A32_FLOAT, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x00000000, 0x00000000, 0x00000000, 0xbf800000), { 0.0,  0.0,  0.0, -1.0}},
-   {PIPE_FORMAT_R32G32B32A32_FLOAT, PACKED_4x32(0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), PACKED_4x32(0x3f800000, 0x3f800000, 0x3f800000, 0x3f800000), { 1.0,  1.0,  1.0,  1.0}},
-};
+static void
+print_unpacked_s_8uscaled(const struct util_format_description *format_desc,
+                          const char *prefix,
+                          uint8_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH],
+                          const char *suffix)
+{
+   unsigned i, j;
+   const char *sep = "";
+
+   printf("%s", prefix);
+   for (i = 0; i < format_desc->block.height; ++i) {
+      for (j = 0; j < format_desc->block.width; ++j) {
+         printf("%s0x%02x", sep, unpacked[i][j]);
+         sep = ", ";
+      }
+   }
+   printf("%s", suffix);
+}
 
 
 static boolean
-test_format_unpack_4f(const struct util_format_test_case *test)
+test_format_fetch_rgba_float(const struct util_format_description *format_desc,
+                             const struct util_format_test_case *test)
 {
-   float unpacked[4];
-   unsigned i;
+   float unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH][4] = { { { 0 } } };
+   unsigned i, j, k;
    boolean success;
 
-   util_format_unpack_4f(test->format, unpacked, test->packed);
+   success = TRUE;
+   for (i = 0; i < format_desc->block.height; ++i) {
+      for (j = 0; j < format_desc->block.width; ++j) {
+         format_desc->fetch_rgba_float(unpacked[i][j], test->packed, j, i);
+         for (k = 0; k < 4; ++k) {
+            if (!compare_float(test->unpacked[i][j][k], unpacked[i][j][k])) {
+               success = FALSE;
+            }
+         }
+      }
+   }
+
+   if (!success) {
+      print_unpacked_rgba_float(format_desc, "FAILED: ", unpacked, " obtained\n");
+      print_unpacked_rgba_doubl(format_desc, "        ", test->unpacked, " expected\n");
+   }
+
+   return success;
+}
+
+
+static boolean
+test_format_unpack_rgba_float(const struct util_format_description *format_desc,
+                              const struct util_format_test_case *test)
+{
+   float unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH][4] = { { { 0 } } };
+   unsigned i, j, k;
+   boolean success;
+
+   format_desc->unpack_rgba_float(&unpacked[0][0][0], sizeof unpacked[0],
+                             test->packed, 0,
+                             format_desc->block.width, format_desc->block.height);
 
    success = TRUE;
-   for (i = 0; i < 4; ++i)
-      if (test->unpacked[i] != unpacked[i])
-         success = FALSE;
+   for (i = 0; i < format_desc->block.height; ++i) {
+      for (j = 0; j < format_desc->block.width; ++j) {
+         for (k = 0; k < 4; ++k) {
+            if (!compare_float(test->unpacked[i][j][k], unpacked[i][j][k])) {
+               success = FALSE;
+            }
+         }
+      }
+   }
 
    if (!success) {
-      printf("FAILED: (%f %f %f %f) obtained\n", unpacked[0], unpacked[1], unpacked[2], unpacked[3]);
-      printf("        (%f %f %f %f) expected\n", test->unpacked[0], test->unpacked[1], test->unpacked[2], test->unpacked[3]);
+      print_unpacked_rgba_float(format_desc, "FAILED: ", unpacked, " obtained\n");
+      print_unpacked_rgba_doubl(format_desc, "        ", test->unpacked, " expected\n");
    }
 
    return success;
@@ -594,69 +255,148 @@ test_format_unpack_4f(const struct util_format_test_case *test)
 
 
 static boolean
-test_format_pack_4f(const struct util_format_test_case *test)
+test_format_pack_rgba_float(const struct util_format_description *format_desc,
+                            const struct util_format_test_case *test)
 {
-   uint8_t packed[MAX_PACKED_BYTES];
-   unsigned i;
+   float unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH][4];
+   uint8_t packed[UTIL_FORMAT_MAX_PACKED_BYTES];
+   unsigned i, j, k;
    boolean success;
 
+   if (test->format == PIPE_FORMAT_DXT1_RGBA) {
+      /*
+       * Skip S3TC as packed representation is not canonical.
+       *
+       * TODO: Do a round trip conversion.
+       */
+      return TRUE;
+   }
+
    memset(packed, 0, sizeof packed);
+   for (i = 0; i < format_desc->block.height; ++i) {
+      for (j = 0; j < format_desc->block.width; ++j) {
+         for (k = 0; k < 4; ++k) {
+            unpacked[i][j][k] = (float) test->unpacked[i][j][k];
+         }
+      }
+   }
 
-   util_format_pack_4f(test->format, packed, test->unpacked[0], test->unpacked[1], test->unpacked[2], test->unpacked[3]);
+   format_desc->pack_rgba_float(packed, 0,
+                           &unpacked[0][0][0], sizeof unpacked[0],
+                           format_desc->block.width, format_desc->block.height);
 
    success = TRUE;
-   for (i = 0; i < MAX_PACKED_BYTES; ++i)
+   for (i = 0; i < format_desc->block.bits/8; ++i)
       if ((test->packed[i] & test->mask[i]) != (packed[i] & test->mask[i]))
          success = FALSE;
 
    if (!success) {
-      /* TODO: print more than 4 bytes */
-      printf("FAILED: (%02x %02x %02x %02x  %02x %02x %02x %02x  %02x %02x %02x %02x  %02x %02x %02x %02x) obtained\n",
-             packed[0], packed[1], packed[2], packed[3],
-             packed[4], packed[5], packed[6], packed[7],
-             packed[8], packed[9], packed[10], packed[11],
-             packed[12], packed[13], packed[14], packed[15]);
-      printf("        (%02x %02x %02x %02x  %02x %02x %02x %02x  %02x %02x %02x %02x  %02x %02x %02x %02x) expected\n",
-             test->packed[0], test->packed[1], test->packed[2], test->packed[3],
-             test->packed[4], test->packed[5], test->packed[6], test->packed[7],
-             test->packed[8], test->packed[9], test->packed[10], test->packed[11],
-             test->packed[12], test->packed[13], test->packed[14], test->packed[15]);
+      print_packed(format_desc, "FAILED: ", packed, " obtained\n");
+      print_packed(format_desc, "        ", test->packed, " expected\n");
    }
 
    return success;
 }
 
 
-static void
-convert_4f_to_4ub(uint8_t *dst, const double *src)
+static boolean
+convert_float_to_8unorm(uint8_t *dst, const double *src)
 {
    unsigned i;
+   boolean accurate = TRUE;
+
+   for (i = 0; i < UTIL_FORMAT_MAX_UNPACKED_HEIGHT*UTIL_FORMAT_MAX_UNPACKED_WIDTH*4; ++i) {
+      if (src[i] < 0.0) {
+         accurate = FALSE;
+         dst[i] = 0;
+      }
+      else if (src[i] > 1.0) {
+         accurate = FALSE;
+         dst[i] = 255;
+      }
+      else {
+         dst[i] = src[i] * 255.0;
+      }
+   }
+
+   return accurate;
+}
+
 
-   for (i = 0; i < 4; ++i)
-      dst[i] = CLAMP(src[i], 0.0, 1.0) * 255.0;
+static boolean
+test_format_unpack_rgba_8unorm(const struct util_format_description *format_desc,
+                               const struct util_format_test_case *test)
+{
+   uint8_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH][4] = { { { 0 } } };
+   uint8_t expected[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH][4] = { { { 0 } } };
+   unsigned i, j, k;
+   boolean success;
+
+   format_desc->unpack_rgba_8unorm(&unpacked[0][0][0], sizeof unpacked[0],
+                              test->packed, 0,
+                              format_desc->block.width, format_desc->block.height);
+
+   convert_float_to_8unorm(&expected[0][0][0], &test->unpacked[0][0][0]);
+
+   success = TRUE;
+   for (i = 0; i < format_desc->block.height; ++i) {
+      for (j = 0; j < format_desc->block.width; ++j) {
+         for (k = 0; k < 4; ++k) {
+            if (expected[i][j][k] != unpacked[i][j][k]) {
+               success = FALSE;
+            }
+         }
+      }
+   }
+
+   if (!success) {
+      print_unpacked_rgba_8unorm(format_desc, "FAILED: ", unpacked, " obtained\n");
+      print_unpacked_rgba_8unorm(format_desc, "        ", expected, " expected\n");
+   }
+
+   return success;
 }
 
 
 static boolean
-test_format_unpack_4ub(const struct util_format_test_case *test)
+test_format_pack_rgba_8unorm(const struct util_format_description *format_desc,
+                             const struct util_format_test_case *test)
 {
-   uint8_t unpacked[4];
-   uint8_t expected[4];
+   uint8_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH][4];
+   uint8_t packed[UTIL_FORMAT_MAX_PACKED_BYTES];
    unsigned i;
    boolean success;
 
-   util_format_unpack_4ub(test->format, unpacked, test->packed);
+   if (test->format == PIPE_FORMAT_DXT1_RGBA) {
+      /*
+       * Skip S3TC as packed representation is not canonical.
+       *
+       * TODO: Do a round trip conversion.
+       */
+      return TRUE;
+   }
 
-   convert_4f_to_4ub(expected, test->unpacked);
+   if (!convert_float_to_8unorm(&unpacked[0][0][0], &test->unpacked[0][0][0])) {
+      /*
+       * Skip test cases which cannot be represented by four unorm bytes.
+       */
+      return TRUE;
+   }
+
+   memset(packed, 0, sizeof packed);
+
+   format_desc->pack_rgba_8unorm(packed, 0,
+                            &unpacked[0][0][0], sizeof unpacked[0],
+                            format_desc->block.width, format_desc->block.height);
 
    success = TRUE;
-   for (i = 0; i < 4; ++i)
-      if (expected[i] != unpacked[i])
+   for (i = 0; i < format_desc->block.bits/8; ++i)
+      if ((test->packed[i] & test->mask[i]) != (packed[i] & test->mask[i]))
          success = FALSE;
 
    if (!success) {
-      printf("FAILED: (0x%02x 0x%02x 0x%02x 0x%02x) obtained\n", unpacked[0], unpacked[1], unpacked[2], unpacked[3]);
-      printf("        (0x%02x 0x%02x 0x%02x 0x%02x) expected\n", expected[0], expected[1], expected[2], expected[3]);
+      print_packed(format_desc, "FAILED: ", packed, " obtained\n");
+      print_packed(format_desc, "        ", test->packed, " expected\n");
    }
 
    return success;
@@ -664,36 +404,216 @@ test_format_unpack_4ub(const struct util_format_test_case *test)
 
 
 static boolean
-test_format_pack_4ub(const struct util_format_test_case *test)
+test_format_unpack_z_float(const struct util_format_description *format_desc,
+                              const struct util_format_test_case *test)
 {
-   uint8_t unpacked[4];
-   uint8_t packed[MAX_PACKED_BYTES];
-   unsigned i;
+   float unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH] = { { 0 } };
+   unsigned i, j;
    boolean success;
 
-   convert_4f_to_4ub(unpacked, test->unpacked);
+   format_desc->unpack_z_float(&unpacked[0][0], sizeof unpacked[0],
+                               test->packed, 0,
+                               format_desc->block.width, format_desc->block.height);
+
+   success = TRUE;
+   for (i = 0; i < format_desc->block.height; ++i) {
+      for (j = 0; j < format_desc->block.width; ++j) {
+         if (!compare_float(test->unpacked[i][j][0], unpacked[i][j])) {
+            success = FALSE;
+         }
+      }
+   }
+
+   if (!success) {
+      print_unpacked_z_float(format_desc, "FAILED: ", unpacked, " obtained\n");
+      print_unpacked_rgba_doubl(format_desc, "        ", test->unpacked, " expected\n");
+   }
+
+   return success;
+}
+
+
+static boolean
+test_format_pack_z_float(const struct util_format_description *format_desc,
+                            const struct util_format_test_case *test)
+{
+   float unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH];
+   uint8_t packed[UTIL_FORMAT_MAX_PACKED_BYTES];
+   unsigned i, j;
+   boolean success;
+
+   memset(packed, 0, sizeof packed);
+   for (i = 0; i < format_desc->block.height; ++i) {
+      for (j = 0; j < format_desc->block.width; ++j) {
+         unpacked[i][j] = (float) test->unpacked[i][j][0];
+         if (test->unpacked[i][j][1]) {
+            return TRUE;
+         }
+      }
+   }
+
+   format_desc->pack_z_float(packed, 0,
+                             &unpacked[0][0], sizeof unpacked[0],
+                             format_desc->block.width, format_desc->block.height);
+
+   success = TRUE;
+   for (i = 0; i < format_desc->block.bits/8; ++i)
+      if ((test->packed[i] & test->mask[i]) != (packed[i] & test->mask[i]))
+         success = FALSE;
+
+   if (!success) {
+      print_packed(format_desc, "FAILED: ", packed, " obtained\n");
+      print_packed(format_desc, "        ", test->packed, " expected\n");
+   }
+
+   return success;
+}
+
+
+static boolean
+test_format_unpack_z_32unorm(const struct util_format_description *format_desc,
+                               const struct util_format_test_case *test)
+{
+   uint32_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH] = { { 0 } };
+   uint32_t expected[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH] = { { 0 } };
+   unsigned i, j;
+   boolean success;
+
+   format_desc->unpack_z_32unorm(&unpacked[0][0], sizeof unpacked[0],
+                                 test->packed, 0,
+                                 format_desc->block.width, format_desc->block.height);
+
+   for (i = 0; i < format_desc->block.height; ++i) {
+      for (j = 0; j < format_desc->block.width; ++j) {
+         expected[i][j] = test->unpacked[i][j][0] * 0xffffffff;
+      }
+   }
+
+   success = TRUE;
+   for (i = 0; i < format_desc->block.height; ++i) {
+      for (j = 0; j < format_desc->block.width; ++j) {
+         if (expected[i][j] != unpacked[i][j]) {
+            success = FALSE;
+         }
+      }
+   }
+
+   if (!success) {
+      print_unpacked_z_32unorm(format_desc, "FAILED: ", unpacked, " obtained\n");
+      print_unpacked_z_32unorm(format_desc, "        ", expected, " expected\n");
+   }
+
+   return success;
+}
+
+
+static boolean
+test_format_pack_z_32unorm(const struct util_format_description *format_desc,
+                             const struct util_format_test_case *test)
+{
+   uint32_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH];
+   uint8_t packed[UTIL_FORMAT_MAX_PACKED_BYTES];
+   unsigned i, j;
+   boolean success;
+
+   for (i = 0; i < format_desc->block.height; ++i) {
+      for (j = 0; j < format_desc->block.width; ++j) {
+         unpacked[i][j] = test->unpacked[i][j][0] * 0xffffffff;
+         if (test->unpacked[i][j][1]) {
+            return TRUE;
+         }
+      }
+   }
 
    memset(packed, 0, sizeof packed);
 
-   util_format_pack_4ub(test->format, packed, unpacked[0], unpacked[1], unpacked[2], unpacked[3]);
+   format_desc->pack_z_32unorm(packed, 0,
+                               &unpacked[0][0], sizeof unpacked[0],
+                               format_desc->block.width, format_desc->block.height);
 
    success = TRUE;
-   for (i = 0; i < MAX_PACKED_BYTES; ++i)
+   for (i = 0; i < format_desc->block.bits/8; ++i)
       if ((test->packed[i] & test->mask[i]) != (packed[i] & test->mask[i]))
          success = FALSE;
 
    if (!success) {
-      /* TODO: print more than 4 bytes */
-      printf("FAILED: (%02x %02x %02x %02x  %02x %02x %02x %02x  %02x %02x %02x %02x  %02x %02x %02x %02x) obtained\n",
-             packed[0], packed[1], packed[2], packed[3],
-             packed[4], packed[5], packed[6], packed[7],
-             packed[8], packed[9], packed[10], packed[11],
-             packed[12], packed[13], packed[14], packed[15]);
-      printf("        (%02x %02x %02x %02x  %02x %02x %02x %02x  %02x %02x %02x %02x  %02x %02x %02x %02x) expected\n",
-             test->packed[0], test->packed[1], test->packed[2], test->packed[3],
-             test->packed[4], test->packed[5], test->packed[6], test->packed[7],
-             test->packed[8], test->packed[9], test->packed[10], test->packed[11],
-             test->packed[12], test->packed[13], test->packed[14], test->packed[15]);
+      print_packed(format_desc, "FAILED: ", packed, " obtained\n");
+      print_packed(format_desc, "        ", test->packed, " expected\n");
+   }
+
+   return success;
+}
+
+
+static boolean
+test_format_unpack_s_8uscaled(const struct util_format_description *format_desc,
+                               const struct util_format_test_case *test)
+{
+   uint8_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH] = { { 0 } };
+   uint8_t expected[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH] = { { 0 } };
+   unsigned i, j;
+   boolean success;
+
+   format_desc->unpack_s_8uscaled(&unpacked[0][0], sizeof unpacked[0],
+                                  test->packed, 0,
+                                  format_desc->block.width, format_desc->block.height);
+
+   for (i = 0; i < format_desc->block.height; ++i) {
+      for (j = 0; j < format_desc->block.width; ++j) {
+         expected[i][j] = test->unpacked[i][j][1];
+      }
+   }
+
+   success = TRUE;
+   for (i = 0; i < format_desc->block.height; ++i) {
+      for (j = 0; j < format_desc->block.width; ++j) {
+         if (expected[i][j] != unpacked[i][j]) {
+            success = FALSE;
+         }
+      }
+   }
+
+   if (!success) {
+      print_unpacked_s_8uscaled(format_desc, "FAILED: ", unpacked, " obtained\n");
+      print_unpacked_s_8uscaled(format_desc, "        ", expected, " expected\n");
+   }
+
+   return success;
+}
+
+
+static boolean
+test_format_pack_s_8uscaled(const struct util_format_description *format_desc,
+                             const struct util_format_test_case *test)
+{
+   uint8_t unpacked[UTIL_FORMAT_MAX_UNPACKED_HEIGHT][UTIL_FORMAT_MAX_UNPACKED_WIDTH];
+   uint8_t packed[UTIL_FORMAT_MAX_PACKED_BYTES];
+   unsigned i, j;
+   boolean success;
+
+   for (i = 0; i < format_desc->block.height; ++i) {
+      for (j = 0; j < format_desc->block.width; ++j) {
+         unpacked[i][j] = test->unpacked[i][j][1];
+         if (test->unpacked[i][j][0]) {
+            return TRUE;
+         }
+      }
+   }
+
+   memset(packed, 0, sizeof packed);
+
+   format_desc->pack_s_8uscaled(packed, 0,
+                                &unpacked[0][0], sizeof unpacked[0],
+                                format_desc->block.width, format_desc->block.height);
+
+   success = TRUE;
+   for (i = 0; i < format_desc->block.bits/8; ++i)
+      if ((test->packed[i] & test->mask[i]) != (packed[i] & test->mask[i]))
+         success = FALSE;
+
+   if (!success) {
+      print_packed(format_desc, "FAILED: ", packed, " obtained\n");
+      print_packed(format_desc, "        ", test->packed, " expected\n");
    }
 
    return success;
@@ -701,26 +621,29 @@ test_format_pack_4ub(const struct util_format_test_case *test)
 
 
 typedef boolean
-(*test_func_t)(const struct util_format_test_case *test);
+(*test_func_t)(const struct util_format_description *format_desc,
+               const struct util_format_test_case *test);
 
 
 static boolean
-test_one(test_func_t func, const char *suffix)
+test_one_func(const struct util_format_description *format_desc,
+              test_func_t func,
+              const char *suffix)
 {
-   enum pipe_format last_format = PIPE_FORMAT_NONE;
    unsigned i;
    bool success = TRUE;
 
-   for (i = 0; i < sizeof(test_cases)/sizeof(test_cases[0]); ++i) {
-      if (test_cases[i].format != last_format) {
-         const struct util_format_description *format_desc;
-         format_desc = util_format_description(test_cases[i].format);
-         printf("Testing %s.%s ...\n", format_desc->name, suffix);
-         last_format = test_cases[i].format;
-      }
+   printf("Testing util_format_%s_%s ...\n",
+          format_desc->short_name, suffix);
 
-      if (!func(&test_cases[i]))
-        success = FALSE;
+   for (i = 0; i < util_format_nr_test_cases; ++i) {
+      const struct util_format_test_case *test = &util_format_test_cases[i];
+
+      if (test->format == format_desc->format) {
+         if (!func(format_desc, &util_format_test_cases[i])) {
+           success = FALSE;
+         }
+      }
    }
 
    return success;
@@ -730,19 +653,44 @@ test_one(test_func_t func, const char *suffix)
 static boolean
 test_all(void)
 {
+   enum pipe_format format;
    bool success = TRUE;
 
-   if (!test_one(&test_format_pack_4f, "pack_4f"))
-     success = FALSE;
+   for (format = 1; format < PIPE_FORMAT_COUNT; ++format) {
+      const struct util_format_description *format_desc;
 
-   if (!test_one(&test_format_unpack_4f, "unpack_4f"))
-     success = FALSE;
+      format_desc = util_format_description(format);
+      if (!format_desc) {
+         continue;
+      }
 
-   if (!test_one(&test_format_pack_4ub, "pack_4ub"))
-     success = FALSE;
+      if (format_desc->layout == UTIL_FORMAT_LAYOUT_S3TC &&
+          !util_format_s3tc_enabled) {
+         continue;
+      }
 
-   if (!test_one(&test_format_unpack_4ub, "unpack_4ub"))
-     success = FALSE;
+#     define TEST_ONE_FUNC(name) \
+      if (format_desc->name) { \
+         if (!test_one_func(format_desc, &test_format_##name, #name)) { \
+           success = FALSE; \
+         } \
+      }
+
+      TEST_ONE_FUNC(fetch_rgba_float);
+      TEST_ONE_FUNC(pack_rgba_float);
+      TEST_ONE_FUNC(unpack_rgba_float);
+      TEST_ONE_FUNC(pack_rgba_8unorm);
+      TEST_ONE_FUNC(unpack_rgba_8unorm);
+
+      TEST_ONE_FUNC(unpack_z_32unorm);
+      TEST_ONE_FUNC(pack_z_32unorm);
+      TEST_ONE_FUNC(unpack_z_float);
+      TEST_ONE_FUNC(pack_z_float);
+      TEST_ONE_FUNC(unpack_s_8uscaled);
+      TEST_ONE_FUNC(pack_s_8uscaled);
+
+#     undef TEST_ONE_FUNC
+   }
 
    return success;
 }
@@ -752,6 +700,8 @@ int main(int argc, char **argv)
 {
    boolean success;
 
+   util_format_s3tc_init();
+
    success = test_all();
 
    return success ? 0 : 1;
diff --git a/progs/gallium/unit/u_half_test.c b/progs/gallium/unit/u_half_test.c
new file mode 100644
index 0000000000..00bda7f50a
--- /dev/null
+++ b/progs/gallium/unit/u_half_test.c
@@ -0,0 +1,32 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <float.h>
+
+#include "util/u_math.h"
+#include "util/u_half.h"
+
+int
+main(int argc, char **argv)
+{
+   unsigned i;
+   unsigned roundtrip_fails = 0;
+   for(i = 0; i < 1 << 16; ++i)
+   {
+      uint16_t h = (uint16_t) i;
+      union fi f;
+      uint16_t rh;
+      f.ui = util_half_to_floatui(h);
+      rh = util_floatui_to_half(f.ui);
+      if(h != rh)
+      {
+	 printf("Roundtrip failed: %x -> %x = %f -> %x\n", h, f.ui, f.f, rh);
+	 ++roundtrip_fails;
+      }
+   }
+
+   if(roundtrip_fails)
+      printf("Failure! %u/65536 half floats failed a conversion to float and back.\n", roundtrip_fails);
+   else
+      printf("Success!\n");
+   return 0;
+}
diff --git a/progs/glsl/Makefile b/progs/glsl/Makefile
index 3b5a5959ae..6030c8002f 100644
--- a/progs/glsl/Makefile
+++ b/progs/glsl/Makefile
@@ -26,6 +26,7 @@ PROG_SOURCES = \
 	convolutions.c \
 	deriv.c \
 	fragcoord.c \
+	fsraytrace.c \
 	identity.c \
 	linktest.c \
 	mandelbrot.c \
@@ -46,7 +47,8 @@ PROG_SOURCES = \
 	trirast.c \
 	twoside.c \
 	vert-or-frag-only.c \
-	vert-tex.c
+	vert-tex.c \
+	vsraytrace.c
 
 UTIL_HEADERS = \
 	extfuncs.h \
diff --git a/progs/glsl/SConscript b/progs/glsl/SConscript
index 8f2ebcf69c..02884e5a71 100644
--- a/progs/glsl/SConscript
+++ b/progs/glsl/SConscript
@@ -8,6 +8,7 @@ progs = [
       'convolutions',
       'deriv',
       'fragcoord',
+      'fsraytrace',
       'identity',
       'linktest',
       'mandelbrot',
@@ -27,6 +28,7 @@ progs = [
       'twoside',
       'vert-or-frag-only',
       'vert-tex',
+      'vsraytrace',
 ]
 
 for prog in progs:
diff --git a/progs/glsl/fsraytrace.c b/progs/glsl/fsraytrace.c
new file mode 100644
index 0000000000..af72a99099
--- /dev/null
+++ b/progs/glsl/fsraytrace.c
@@ -0,0 +1,412 @@
+/* -*- mode: c; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; coding: utf-8-unix -*- */
+/*
+  Copyright (c) 2010 Kristóf Ralovich
+
+  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 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.
+*/
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <GL/glew.h>
+#include <GL/glut.h>
+#include "shaderutil.h"
+#include <math.h>
+
+static int Win;
+static int WinWidth = 512, WinHeight = 512;
+static int mouseGrabbed = 0;
+static GLuint vertShader;
+static GLuint fragShader;
+static GLuint program;
+static float rot[9] = {1,0,0,  0,1,0,   0,0,1};
+
+static const char* vsSource =
+  "varying vec2 rayDir;                                                \n"
+  "                                                                    \n"
+  "void main()                                                         \n"
+  "{                                                                   \n"
+  "  rayDir = gl_MultiTexCoord0.xy - vec2(0.5,0.5);                    \n"
+  "  gl_Position = gl_ProjectionMatrix * gl_Vertex;                    \n"
+  "}\n";
+
+static const char* fsSource =
+  "const float INF     = 9999.9;                                       \n"
+  "const float EPSILON = 0.00001;                                      \n"
+  "const vec3 lightPos = vec3(0.0, 8.0, 1.0);                          \n"
+  "const vec4 backgroundColor = vec4(0.2,0.3,0.4,1);                   \n"
+  "                                                                    \n"
+  "varying vec2 rayDir;                                                \n"
+  "                                                                    \n"
+  "uniform mat3 rot;                                                   \n"
+  "                                                                    \n"
+  "struct Ray                                                          \n"
+  "{                                                                   \n"
+  "vec3 orig;                                                          \n"
+  "vec3 dir;                                                           \n"
+  "};                                                                  \n"
+  "                                                                    \n"
+  "struct Sphere                                                       \n"
+  "{                                                                   \n"
+  "  vec3 c;                                                           \n"
+  "  float r;                                                          \n"
+  "};                                                                  \n"
+  "                                                                    \n"
+  "struct Isec                                                         \n"
+  "{                                                                   \n"
+  "  float t;                                                          \n"
+  "  int idx;                                                          \n"
+  "  vec3 hit;                                                         \n"
+  "  vec3 n;                                                           \n"
+  "};                                                                  \n"
+  "                                                                    \n"
+#ifdef __APPLE__
+  "Sphere spheres0 = Sphere( vec3(0.0,0.0,-1.0), 0.5 );                \n"
+  "Sphere spheres1 = Sphere( vec3(-3.0,0.0,-1.0), 1.5 );               \n"
+  "Sphere spheres2 = Sphere( vec3(0.0,3.0,-1.0), 0.5 );                \n"
+  "Sphere spheres3 = Sphere( vec3(2.0,0.0,-1.0), 1.0 );                \n"
+#else
+  "const Sphere spheres0 = Sphere( vec3(0.0,0.0,-1.0), 0.5 );          \n"
+  "const Sphere spheres1 = Sphere( vec3(-3.0,0.0,-1.0), 1.5 );         \n"
+  "const Sphere spheres2 = Sphere( vec3(0.0,3.0,-1.0), 0.5 );          \n"
+  "const Sphere spheres3 = Sphere( vec3(2.0,0.0,-1.0), 1.0 );          \n"
+#endif
+  "                                                                    \n"
+  "// Mesa intel gen4 generates \"unsupported IR in fragment shader 13\" for\n"
+  "// sqrt, let's work around.                                         \n"
+  "float                                                               \n"
+  "sqrt_hack(float f2)                                                 \n"
+  "{                                                                   \n"
+  "  vec3 v = vec3(f2,0.0,0.0);                                        \n"
+  "  return length(v);                                                 \n"
+  "}                                                                   \n"
+  "                                                                    \n"
+  "void                                                                \n"
+  "intersect(const in Ray ray,                                         \n"
+  "          const in Sphere sph,                                      \n"
+  "          const in int idx,                                         \n"
+  "          inout Isec isec)                                          \n"
+  "{                                                                   \n"
+  "  // Project both o and the sphere to the plane perpendicular to d  \n"
+  "  // and containing c. Let x be the point where the ray intersects  \n"
+  "  // the plane. If |x-c| < r, the ray intersects the sphere.        \n"
+  "  vec3 o = ray.orig;                                                \n"
+  "  vec3 d = ray.dir;                                                 \n"
+  "  vec3 n = -d;                                                      \n"
+  "  vec3 c = sph.c;                                                   \n"
+  "  float r = sph.r;                                                  \n"
+  "  float t = dot(c-o,n)/dot(n,d);                                    \n"
+  "  vec3 x = o+d*t;                                                   \n"
+  "  float e = length(x-c);                                            \n"
+  "  if(e > r)                                                         \n"
+  "  {                                                                 \n"
+  "    // no intersection                                              \n"
+  "    return;                                                         \n"
+  "  }                                                                 \n"
+  "                                                                    \n"
+  "  // Apply Pythagorean theorem on the (intersection,x,c) triangle   \n"
+  "  // to get the distance between c and the intersection.            \n"
+  "#ifndef BUGGY_INTEL_GEN4_GLSL                                       \n"
+  "  float f = sqrt(r*r - e*e);                                        \n"
+  "#else                                                               \n"
+  "  float f = sqrt_hack(r*r - e*e);                                   \n"
+  "#endif                                                              \n"
+  "  float dist = t - f;                                               \n"
+  "  if(dist < 0.0)                                                    \n"
+  "  {                                                                 \n"
+  "    // inside the sphere                                            \n"
+  "    return;                                                         \n"
+  "  }                                                                 \n"
+  "                                                                    \n"
+  "  if(dist < EPSILON)                                                \n"
+  "    return;                                                         \n"
+  "                                                                    \n"
+  "  if(dist > isec.t)                                                 \n"
+  "    return;                                                         \n"
+  "                                                                    \n"
+  "  isec.t = dist;                                                    \n"
+  "  isec.idx = idx;                                                   \n"
+  "                                                                    \n"
+  "  isec.hit  = ray.orig + ray.dir * isec.t;                          \n"
+  "  isec.n = (isec.hit - c) / r;                                      \n"
+  "}                                                                   \n"
+  "                                                                    \n"
+  "Isec                                                                \n"
+  "intersect(const in Ray ray,                                         \n"
+  "          const in float max_t /*= INF*/)                           \n"
+  "{                                                                   \n"
+  "  Isec nearest;                                                     \n"
+  "  nearest.t = max_t;                                                \n"
+  "  nearest.idx = -1;                                                 \n"
+  "                                                                    \n"
+  "  intersect(ray, spheres0, 0, nearest);                             \n"
+  "  intersect(ray, spheres1, 1, nearest);                             \n"
+  "  intersect(ray, spheres2, 2, nearest);                             \n"
+  "  intersect(ray, spheres3, 3, nearest);                             \n"
+  "                                                                    \n"
+  "  return nearest;                                                   \n"
+  "}                                                                   \n"
+  "                                                                    \n"
+  "vec4                                                                \n"
+  "idx2color(const in int idx)                                         \n"
+  "{                                                                   \n"
+  "  vec4 diff;                                                        \n"
+  "  if(idx == 0)                                                      \n"
+  "    diff = vec4(1.0, 0.0, 0.0, 0.0);                                \n"
+  "  else if(idx == 1)                                                 \n"
+  "    diff = vec4(0.0, 1.0, 0.0, 0.0);                                \n"
+  "  else if(idx == 2)                                                 \n"
+  "    diff = vec4(0.0, 0.0, 1.0, 0.0);                                \n"
+  "  else if(idx == 3)                                                 \n"
+  "    diff = vec4(1.0, 1.0, 0.0, 0.0);                                \n"
+  "  return diff;                                                      \n"
+  "}                                                                   \n"
+  "                                                                    \n"
+  "vec4                                                                \n"
+  "trace0(const in Ray ray)                                            \n"
+  "{                                                                   \n"
+  "  Isec isec = intersect(ray, INF);                                  \n"
+  "                                                                    \n"
+  "  if(isec.idx == -1)                                                \n"
+  "  {                                                                 \n"
+  "    return backgroundColor;                                         \n"
+  "  }                                                                 \n"
+  "                                                                    \n"
+  "  vec4 diff = idx2color(isec.idx);                                  \n"
+  "                                                                    \n"
+  "  vec3 N = isec.n;                                                  \n"
+  "  vec3 L = normalize(lightPos-isec.hit);                            \n"
+  "  vec3 camera_dir = normalize(ray.orig - isec.hit);                 \n"
+  "  return dot(N,L)*diff + pow(                                       \n"
+  "    clamp(dot(reflect(-L,N),camera_dir),0.0,1.0),16.0);             \n"
+  "}                                                                   \n"
+  "                                                                    \n"
+  "vec4                                                                \n"
+  "trace1(const in Ray ray)                                            \n"
+  "{                                                                   \n"
+  "  Isec isec = intersect(ray, INF);                                  \n"
+  "                                                                    \n"
+  "  if(isec.idx == -1)                                                \n"
+  "  {                                                                 \n"
+  "    return backgroundColor;                                         \n"
+  "  }                                                                 \n"
+  "                                                                    \n"
+  "  Ray reflRay = Ray(isec.hit, reflect(ray.dir, isec.n));            \n"
+  "                                                                    \n"
+  "  vec4 reflCol = trace0(reflRay);                                   \n"
+  "                                                                    \n"
+  "  vec4 diff = idx2color(isec.idx) + reflCol;                        \n"
+  "                                                                    \n"
+  "  vec3 N = isec.n;                                                  \n"
+  "  vec3 L = normalize(lightPos-isec.hit);                            \n"
+  "  vec3 camera_dir = normalize(ray.orig - isec.hit);                 \n"
+  "  return dot(N,L)*diff + pow(                                       \n"
+  "    clamp(dot(reflect(-L,N),camera_dir),0.0,1.0),16.0);             \n"
+  "}                                                                   \n"
+  "                                                                    \n"
+  "void main()                                                         \n"
+  "{                                                                   \n"
+  "  const float z = -0.5;                                             \n"
+  "  const vec3 cameraPos = vec3(0,0,3);                               \n"
+  "  Ray r = Ray(cameraPos, normalize(vec3(rayDir, z) * rot));         \n"
+  "  gl_FragColor = trace1(r);                                         \n"
+  "}\n";
+
+static
+float
+deg2rad(const float degree)
+{
+  return( degree * 0.017453292519943295769236907684886F);
+}
+
+static void
+rotate_xy(float* mat3, const float degreesAroundX, const float degreesAroundY)
+{
+  const float rad1 = deg2rad(degreesAroundX);
+  const float c1 = cosf(rad1);
+  const float s1 = sinf(rad1);
+  const float rad2 = deg2rad(degreesAroundY);
+  const float c2 = cosf(rad2);
+  const float s2 = sinf(rad2);
+  mat3[0] = c2;    mat3[3] = 0.0F; mat3[6] = s2;
+  mat3[1] = s1*s2; mat3[4] = c1;   mat3[7] = -s1*c2;
+  mat3[2] = -c1*s2;mat3[5] = s1;   mat3[8] = c1*c2;
+}
+
+static void
+identity(float* mat3)
+{
+  mat3[0] = 1.0F; mat3[3] = 0.0F; mat3[6] = 0.0F;
+  mat3[1] = 0.0F; mat3[4] = 1.0F; mat3[7] = 0.0F;
+  mat3[2] = 0.0F; mat3[5] = 0.0F; mat3[8] = 1.0F;
+}
+
+static void
+Draw(void)
+{
+  GLint location = glGetUniformLocation(program, "rot");
+  static const float m = -10.F;
+  static const float p =  10.F;
+  static const float d = -0.5F;
+
+  glUseProgram(program);
+  glUniformMatrix3fv(location, 1, 0, rot);
+
+  glBegin(GL_QUADS);
+  {
+    glTexCoord2f(0.0F, 0.0F); glVertex3f(m, m, d);
+    glTexCoord2f(1.0F, 0.0F); glVertex3f(p, m, d);
+    glTexCoord2f(1.0F, 1.0F); glVertex3f(p, p, d);
+    glTexCoord2f(0.0F, 1.0F); glVertex3f(m, p, d);
+  }
+  glEnd();
+  glUseProgram(0);
+
+  glutSwapBuffers();
+
+  {
+    static int frames = 0;
+    static int t0 = 0;
+    static int t1 = 0;
+    float dt;
+    frames++;
+    t1 = glutGet(GLUT_ELAPSED_TIME);
+    dt = (float)(t1-t0)/1000.0F;
+    if(dt >= 5.0F)
+    {
+      float fps = (float)frames / dt;
+      printf("%f FPS (%d frames in %f seconds)\n", fps, frames, dt);
+      frames = 0;
+      t0 = t1;
+    }
+  }
+}
+
+
+static void
+Reshape(int width, int height)
+{
+  WinWidth = width;
+  WinHeight = height;
+  glViewport(0, 0, width, height);
+  glMatrixMode(GL_PROJECTION);
+  glLoadIdentity();
+  glOrtho(-10, 10, -10, 10, -1, 1);
+  glMatrixMode(GL_MODELVIEW);
+  glLoadIdentity();
+}
+
+
+static void
+Key(unsigned char key, int x, int y)
+{
+  (void) x;
+  (void) y;
+  switch (key) {
+  case 27:
+    glutDestroyWindow(Win);
+    exit(0);
+    break;
+  }
+  glutPostRedisplay();
+}
+
+
+static
+void
+drag(int x, int y)
+{
+  float scale = 1.5F;
+  if(mouseGrabbed)
+  {
+    static GLfloat xRot = 0, yRot = 0;
+    xRot = (float)(x - WinWidth/2) / scale;
+    yRot = (float)(y - WinHeight/2) / scale;
+    identity(rot);
+    rotate_xy(rot, yRot, xRot);
+    glutPostRedisplay();
+  }
+}
+
+
+static
+void
+mouse(int button, int state, int x, int y)
+{
+  mouseGrabbed = (state == GLUT_DOWN);
+}
+
+
+static void
+Init(void)
+{
+  glDisable(GL_DEPTH_TEST);
+
+  if(!ShadersSupported())
+  {
+    fprintf(stderr, "Shaders are not supported!\n");
+    exit(-1);
+  }
+
+  vertShader = CompileShaderText(GL_VERTEX_SHADER, vsSource);
+  fragShader = CompileShaderText(GL_FRAGMENT_SHADER, fsSource);
+  program = LinkShaders(vertShader, fragShader);
+  glUseProgram(0);
+
+  if(glGetError() != 0)
+  {
+    fprintf(stderr, "Shaders were not loaded!\n");
+    exit(-1);
+  }
+
+  if(!glIsShader(vertShader))
+  {
+    fprintf(stderr, "Vertex shader failed!\n");
+    exit(-1);
+  }
+
+  if(!glIsProgram(program))
+  {
+    fprintf(stderr, "Shader program failed!\n");
+    exit(-1);
+  }
+
+  printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
+}
+
+
+int
+main(int argc, char *argv[])
+{
+  glutInitWindowSize(WinWidth, WinHeight);
+  glutInit(&argc, argv);
+  glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
+  Win = glutCreateWindow(argv[0]);
+  glewInit();
+  glutReshapeFunc(Reshape);
+  glutKeyboardFunc(Key);
+  glutDisplayFunc(Draw);
+  glutMouseFunc(mouse);
+  glutMotionFunc(drag);
+  glutIdleFunc(Draw);
+  Init();
+  glutMainLoop();
+  return 0;
+}
+
diff --git a/progs/glsl/vsraytrace.c b/progs/glsl/vsraytrace.c
new file mode 100644
index 0000000000..64d928883e
--- /dev/null
+++ b/progs/glsl/vsraytrace.c
@@ -0,0 +1,401 @@
+/* -*- mode: c; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; coding: utf-8-unix -*- */
+/*
+  Copyright (c) 2010 Kristóf Ralovich
+
+  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 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.
+*/
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <GL/glew.h>
+#include <GL/glut.h>
+#include "shaderutil.h"
+#include <math.h>
+
+static int Win;
+static int WinWidth = 256, WinHeight = 256;
+static GLboolean mouseGrabbed = GL_FALSE;
+static GLuint vertShader;
+static GLuint program;
+float rot[9] = {1,0,0,  0,1,0,   0,0,1};
+
+static const char* vsSource =
+  "const float INF     = 9999.9;                                       \n"
+  "const float EPSILON = 0.00001;                                      \n"
+  "const vec3 lightPos = vec3(0.0, 8.0, 1.0);                          \n"
+  "const vec4 backgroundColor = vec4(0.2,0.3,0.4,1);                   \n"
+  "                                                                    \n"
+  "uniform mat3 rot;                                                   \n"
+  "                                                                    \n"
+  "struct Ray                                                          \n"
+  "{                                                                   \n"
+  "vec3 orig;                                                          \n"
+  "vec3 dir;                                                           \n"
+  "};                                                                  \n"
+  "                                                                    \n"
+  "struct Sphere                                                       \n"
+  "{                                                                   \n"
+  "  vec3 c;                                                           \n"
+  "  float r;                                                          \n"
+  "};                                                                  \n"
+  "                                                                    \n"
+  "struct Isec                                                         \n"
+  "{                                                                   \n"
+  "  float t;                                                          \n"
+  "  int idx;                                                          \n"
+  "  vec3 hit;                                                         \n"
+  "  vec3 n;                                                           \n"
+  "};                                                                  \n"
+  "                                                                    \n"
+#ifdef __APPLE__
+  "Sphere spheres0 = Sphere( vec3(0.0,0.0,-1.0), 0.5 );                \n"
+  "Sphere spheres1 = Sphere( vec3(-3.0,0.0,-1.0), 1.5 );               \n"
+  "Sphere spheres2 = Sphere( vec3(0.0,3.0,-1.0), 0.5 );                \n"
+  "Sphere spheres3 = Sphere( vec3(2.0,0.0,-1.0), 1.0 );                \n"
+#else
+  "const Sphere spheres0 = Sphere( vec3(0.0,0.0,-1.0), 0.5 );          \n"
+  "const Sphere spheres1 = Sphere( vec3(-3.0,0.0,-1.0), 1.5 );         \n"
+  "const Sphere spheres2 = Sphere( vec3(0.0,3.0,-1.0), 0.5 );          \n"
+  "const Sphere spheres3 = Sphere( vec3(2.0,0.0,-1.0), 1.0 );          \n"
+#endif
+  "                                                                    \n"
+  "// Mesa intel gen4 generates \"unsupported IR in fragment shader 13\" for\n"
+  "// sqrt, let's work around.                                         \n"
+  "float                                                               \n"
+  "sqrt_hack(float f2)                                                 \n"
+  "{                                                                   \n"
+  "  vec3 v = vec3(f2,0.0,0.0);                                        \n"
+  "  return length(v);                                                 \n"
+  "}                                                                   \n"
+  "                                                                    \n"
+  "void                                                                \n"
+  "intersect(const in Ray ray,                                         \n"
+  "          const in Sphere sph,                                      \n"
+  "          const in int idx,                                         \n"
+  "          inout Isec isec)                                          \n"
+  "{                                                                   \n"
+  "  // Project both o and the sphere to the plane perpendicular to d  \n"
+  "  // and containing c. Let x be the point where the ray intersects  \n"
+  "  // the plane. If |x-c| < r, the ray intersects the sphere.        \n"
+  "  vec3 o = ray.orig;                                                \n"
+  "  vec3 d = ray.dir;                                                 \n"
+  "  vec3 n = -d;                                                      \n"
+  "  vec3 c = sph.c;                                                   \n"
+  "  float r = sph.r;                                                  \n"
+  "  float t = dot(c-o,n)/dot(n,d);                                    \n"
+  "  vec3 x = o+d*t;                                                   \n"
+  "  float e = length(x-c);                                            \n"
+  "  if(e > r)                                                         \n"
+  "  {                                                                 \n"
+  "    // no intersection                                              \n"
+  "    return;                                                         \n"
+  "  }                                                                 \n"
+  "                                                                    \n"
+  "  // Apply Pythagorean theorem on the (intersection,x,c) triangle   \n"
+  "  // to get the distance between c and the intersection.            \n"
+  "#define BUGGY_INTEL_GEN4_GLSL 1                                     \n"
+  "#ifndef BUGGY_INTEL_GEN4_GLSL                                       \n"
+  "  float f = sqrt(r*r - e*e);                                        \n"
+  "#else                                                               \n"
+  "  float f = sqrt_hack(r*r - e*e);                                   \n"
+  "#endif                                                              \n"
+  "  float dist = t - f;                                               \n"
+  "  if(dist < 0.0)                                                    \n"
+  "  {                                                                 \n"
+  "    // inside the sphere                                            \n"
+  "    return;                                                         \n"
+  "  }                                                                 \n"
+  "                                                                    \n"
+  "  if(dist < EPSILON)                                                \n"
+  "    return;                                                         \n"
+  "                                                                    \n"
+  "  if(dist > isec.t)                                                 \n"
+  "    return;                                                         \n"
+  "                                                                    \n"
+  "  isec.t = dist;                                                    \n"
+  "  isec.idx = idx;                                                   \n"
+  "                                                                    \n"
+  "  isec.hit  = ray.orig + ray.dir * isec.t;                          \n"
+  "  isec.n = (isec.hit - c) / r;                                      \n"
+  "}                                                                   \n"
+  "                                                                    \n"
+  "Isec                                                                \n"
+  "intersect(const in Ray ray,                                         \n"
+  "          const in float max_t /*= INF*/)                           \n"
+  "{                                                                   \n"
+  "  Isec nearest;                                                     \n"
+  "  nearest.t = max_t;                                                \n"
+  "  nearest.idx = -1;                                                 \n"
+  "                                                                    \n"
+  "  intersect(ray, spheres0, 0, nearest);                             \n"
+  "  intersect(ray, spheres1, 1, nearest);                             \n"
+  "  intersect(ray, spheres2, 2, nearest);                             \n"
+  "  intersect(ray, spheres3, 3, nearest);                             \n"
+  "                                                                    \n"
+  "  return nearest;                                                   \n"
+  "}                                                                   \n"
+  "                                                                    \n"
+  "vec4                                                                \n"
+  "idx2color(const in int idx)                                         \n"
+  "{                                                                   \n"
+  "  vec4 diff;                                                        \n"
+  "  if(idx == 0)                                                      \n"
+  "    diff = vec4(1.0, 0.0, 0.0, 0.0);                                \n"
+  "  else if(idx == 1)                                                 \n"
+  "    diff = vec4(0.0, 1.0, 0.0, 0.0);                                \n"
+  "  else if(idx == 2)                                                 \n"
+  "    diff = vec4(0.0, 0.0, 1.0, 0.0);                                \n"
+  "  else if(idx == 3)                                                 \n"
+  "    diff = vec4(1.0, 1.0, 0.0, 0.0);                                \n"
+  "  return diff;                                                      \n"
+  "}                                                                   \n"
+  "                                                                    \n"
+  "vec4                                                                \n"
+  "trace0(const in Ray ray)                                            \n"
+  "{                                                                   \n"
+  "  Isec isec = intersect(ray, INF);                                  \n"
+  "                                                                    \n"
+  "  if(isec.idx == -1)                                                \n"
+  "  {                                                                 \n"
+  "    return backgroundColor;                                         \n"
+  "  }                                                                 \n"
+  "                                                                    \n"
+  "  vec4 diff = idx2color(isec.idx);                                  \n"
+  "                                                                    \n"
+  "  vec3 N = isec.n;                                                  \n"
+  "  vec3 L = normalize(lightPos-isec.hit);                            \n"
+  "  vec3 camera_dir = normalize(ray.orig - isec.hit);                 \n"
+  "  return dot(N,L)*diff + pow(                                       \n"
+  "    clamp(dot(reflect(-L,N),camera_dir),0.0,1.0),16.0);             \n"
+  "}                                                                   \n"
+  "                                                                    \n"
+  "vec4                                                                \n"
+  "trace1(const in Ray ray)                                            \n"
+  "{                                                                   \n"
+  "  Isec isec = intersect(ray, INF);                                  \n"
+  "                                                                    \n"
+  "  if(isec.idx == -1)                                                \n"
+  "  {                                                                 \n"
+  "    return backgroundColor;                                         \n"
+  "  }                                                                 \n"
+  "                                                                    \n"
+  "  Ray reflRay = Ray(isec.hit, reflect(ray.dir, isec.n));            \n"
+  "                                                                    \n"
+  "  vec4 reflCol = trace0(reflRay);                                   \n"
+  "                                                                    \n"
+  "  vec4 diff = idx2color(isec.idx) + reflCol;                        \n"
+  "                                                                    \n"
+  "  vec3 N = isec.n;                                                  \n"
+  "  vec3 L = normalize(lightPos-isec.hit);                            \n"
+  "  vec3 camera_dir = normalize(ray.orig - isec.hit);                 \n"
+  "  return dot(N,L)*diff + pow(                                       \n"
+  "    clamp(dot(reflect(-L,N),camera_dir),0.0,1.0),16.0);             \n"
+  "}                                                                   \n"
+  "                                                                    \n"
+  "void main()                                                         \n"
+  "{                                                                   \n"
+  "  const vec3 cameraPos = vec3(0,0,3);                               \n"
+  "  vec3 rayDir = normalize(vec3(gl_Vertex.x, gl_Vertex.y, -1.0) * rot);\n"
+  "  Ray ray = Ray(cameraPos, rayDir);                                 \n"
+  "  gl_Position = gl_Vertex;                                          \n"
+  "  gl_FrontColor = trace1(ray);                                      \n"
+  "}\n";
+
+
+static
+float
+deg2rad(const float degree)
+{
+  return( degree * 0.017453292519943295769236907684886F);
+}
+
+static void
+rotate_xy(float* mat3, const float degreesAroundX, const float degreesAroundY)
+{
+  const float rad1 = deg2rad(degreesAroundX);
+  const float c1 = cosf(rad1);
+  const float s1 = sinf(rad1);
+  const float rad2 = deg2rad(degreesAroundY);
+  const float c2 = cosf(rad2);
+  const float s2 = sinf(rad2);
+  mat3[0] = c2;    mat3[3] = 0.0F; mat3[6] = s2;
+  mat3[1] = s1*s2; mat3[4] = c1;   mat3[7] = -s1*c2;
+  mat3[2] = -c1*s2;mat3[5] = s1;   mat3[8] = c1*c2;
+}
+
+static void
+identity(float* mat3)
+{
+  mat3[0] = 1.0F; mat3[3] = 0.0F; mat3[6] = 0.0F;
+  mat3[1] = 0.0F; mat3[4] = 1.0F; mat3[7] = 0.0F;
+  mat3[2] = 0.0F; mat3[5] = 0.0F; mat3[8] = 1.0F;
+}
+
+static void
+Draw(void)
+{
+  const float w = 0.5F * WinWidth;
+  const float h = 0.5F * WinHeight;
+  int x,y;
+
+  GLint location = glGetUniformLocation(program, "rot");
+
+  glUseProgram(program);
+  glUniformMatrix3fv(location, 1, 0, rot);
+  glBegin(GL_POINTS);
+  for(y = 0; y < WinHeight; y++)
+  {
+    for(x = 0; x < WinWidth; x++)
+    {
+      const float posx = x / w - 1.0F;
+      const float posy = y / h - 1.0F;
+      glVertex2f(posx, posy);
+    }
+  }
+  glEnd();
+  glUseProgram(0);
+
+  glutSwapBuffers();
+
+  {
+    static int frames = 0;
+    static int t0 = 0;
+    static int t1 = 0;
+    float dt;
+    frames++;
+    t1 = glutGet(GLUT_ELAPSED_TIME);
+    dt = (float)(t1-t0)/1000.0F;
+    if (dt >= 5.0F)
+    {
+      float fps = (float)frames / dt;
+      printf("%f FPS (%d frames in %f seconds)\n", fps, frames, dt);
+      frames = 0;
+      t0 = t1;
+    }
+  }
+}
+
+
+static void
+Reshape(int width, int height)
+{
+  WinWidth = width;
+  WinHeight = height;
+  glViewport(0, 0, width, height);
+  glMatrixMode(GL_PROJECTION);
+  glLoadIdentity();
+  glMatrixMode(GL_MODELVIEW);
+  glLoadIdentity();
+}
+
+
+static void
+Key(unsigned char key, int x, int y)
+{
+  if(key == 27)
+  {
+    glutDestroyWindow(Win);
+    exit(0);
+  }
+  glutPostRedisplay();
+}
+
+
+static
+void
+drag(int x, int y)
+{
+  float scale = 1.5F;
+  if(mouseGrabbed)
+  {
+    static GLfloat xRot = 0, yRot = 0;
+    xRot = (float)(x - WinWidth/2) / scale;
+    yRot = (float)(y - WinHeight/2) / scale;
+    identity(rot);
+    rotate_xy(rot, yRot, xRot);
+    glutPostRedisplay();
+  }
+}
+
+
+static
+void
+mouse(int button, int state, int x, int y)
+{
+  mouseGrabbed = (state == GLUT_DOWN);
+}
+
+
+static void
+Init(void)
+{
+  glDisable(GL_DEPTH_TEST);
+
+  if(!ShadersSupported())
+  {
+    fprintf(stderr, "Shaders are not supported!\n");
+    exit(-1);
+  }
+
+  vertShader = CompileShaderText(GL_VERTEX_SHADER, vsSource);
+  program = LinkShaders(vertShader, 0);
+  glUseProgram(0);
+
+  if(glGetError() != 0)
+  {
+    fprintf(stderr, "Shaders were not loaded!\n");
+    exit(-1);
+  }
+
+  if(!glIsShader(vertShader))
+  {
+    fprintf(stderr, "Vertex shader failed!\n");
+    exit(-1);
+  }
+
+  if(!glIsProgram(program))
+  {
+    fprintf(stderr, "Shader program failed!\n");
+    exit(-1);
+  }
+
+  printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
+}
+
+
+int
+main(int argc, char *argv[])
+{
+  glutInitWindowSize(WinWidth, WinHeight);
+  glutInit(&argc, argv);
+  glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
+  Win = glutCreateWindow(argv[0]);
+  glewInit();
+  glutReshapeFunc(Reshape);
+  glutKeyboardFunc(Key);
+  glutDisplayFunc(Draw);
+  glutIdleFunc(Draw);
+  glutMouseFunc(mouse);
+  glutMotionFunc(drag);
+  Init();
+  glutMainLoop();
+  return 0;
+}
+
diff --git a/progs/objviewer/skybox.c b/progs/objviewer/skybox.c
index 4e30742e20..93331b9c16 100644
--- a/progs/objviewer/skybox.c
+++ b/progs/objviewer/skybox.c
@@ -88,9 +88,9 @@ LoadSkyBoxCubeTexture(const char *filePosX,
       return 0;
    if (!load(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, fileNegX, GL_TRUE, GL_TRUE))
       return 0;
-   if (!load(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, filePosY, 1+GL_FALSE, GL_TRUE))
+   if (!load(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, filePosY, GL_TRUE, GL_TRUE))
       return 0;
-   if (!load(GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, fileNegY, 1+GL_FALSE, GL_TRUE))
+   if (!load(GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, fileNegY, GL_TRUE, GL_TRUE))
       return 0;
    if (!load(GL_TEXTURE_CUBE_MAP_POSITIVE_Z, filePosZ, GL_TRUE, GL_TRUE))
       return 0;
diff --git a/progs/openvg/demos/Makefile b/progs/openvg/demos/Makefile
deleted file mode 100644
index 89b0ce441b..0000000000
--- a/progs/openvg/demos/Makefile
+++ /dev/null
@@ -1,39 +0,0 @@
-# progs/vg/Makefile
-
-TOP = ../../..
-include $(TOP)/configs/current
-
-VG_LIBS=-lm -pthread -lX11 -lEGL -lOpenVG
-INCLUDE_DIRS = -I$(TOP)/include
-
-PROGRAMS = \
-        lion \
-        sp
-
-.c.o:
-	$(CC) -c $(INCLUDE_DIRS) $(CFLAGS) $< -o $@
-
-
-
-default: $(PROGRAMS)
-
-lion: lion.o lion-render.o
-	$(CC) $(CFLAGS) lion.o lion-render.o -L$(TOP)/$(LIB_DIR) $(VG_LIBS) -o $@
-
-lion.o: lion.c lion-render.h $(HEADERS)
-	$(CC) -c $(CFLAGS) -I$(TOP)/include lion.c
-lion-render.o: lion-render.c lion-render.h $(HEADERS)
-	$(CC) -c $(CFLAGS) -I$(TOP)/include lion-render.c
-
-
-sp: sp.c eglcommon.o
-	$(CC) $(INCLUDE_DIRS) $(CFLAGS) $^  -L$(TOP)/$(LIB_DIR) $(LIBS) $(VG_LIBS)  $(APP_LIB_DEPS) -o $@
-
-eglcommon.o: eglcommon.c $(HEADERS)
-	$(CC) -c $(INCLUDE_DIRS) $(CFLAGS) eglcommon.c
-
-
-clean:
-	rm -f *.o *~
-	rm -f *.so
-	rm -f $(PROGRAMS)
diff --git a/progs/openvg/demos/lion.c b/progs/openvg/demos/lion.c
deleted file mode 100644
index adb269bfd8..0000000000
--- a/progs/openvg/demos/lion.c
+++ /dev/null
@@ -1,289 +0,0 @@
-#include <assert.h>
-#include <math.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/keysym.h>
-#include <VG/openvg.h>
-#include <GLES/egl.h>
-
-#include "lion-render.h"
-
-static VGint width, height;
-struct lion *lion = 0;
-VGfloat angle = 0;
-
-static void
-draw(void)
-{
-   vgClear(0, 0, width, height);
-
-   vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE);
-   vgLoadIdentity();
-   vgTranslate(width/2, height/2);
-   vgRotate(angle);
-   vgTranslate(-width/2, -height/2);
-
-   lion_render(lion);
-
-   ++angle;
-}
-
-
-/* new window size or exposure */
-static void
-reshape(int w, int h)
-{
-   width  = w;
-   height = h;
-}
-
-
-static void
-init(void)
-{
-   float clear_color[4] = {1.0, 1.0, 1.0, 1.0};
-   vgSetfv(VG_CLEAR_COLOR, 4, clear_color);
-
-   lion = lion_create();
-}
-
-
-/*
- * Create an RGB, double-buffered X window.
- * Return the window and context handles.
- */
-static void
-make_x_window(Display *x_dpy, EGLDisplay egl_dpy,
-              const char *name,
-              int x, int y, int width, int height,
-              Window *winRet,
-              EGLContext *ctxRet,
-              EGLSurface *surfRet)
-{
-   static const EGLint attribs[] = {
-      EGL_RED_SIZE, 1,
-      EGL_GREEN_SIZE, 1,
-      EGL_BLUE_SIZE, 1,
-      EGL_RENDERABLE_TYPE, EGL_OPENVG_BIT,
-      EGL_NONE
-   };
-
-   int scrnum;
-   XSetWindowAttributes attr;
-   unsigned long mask;
-   Window root;
-   Window win;
-   XVisualInfo *visInfo, visTemplate;
-   int num_visuals;
-   EGLContext ctx;
-   EGLConfig config;
-   EGLint num_configs;
-   EGLint vid;
-
-   scrnum = DefaultScreen( x_dpy );
-   root = RootWindow( x_dpy, scrnum );
-
-   if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs) ||
-       !num_configs) {
-      printf("Error: couldn't get an EGL visual config\n");
-      exit(1);
-   }
-
-   assert(config);
-
-   if (!eglGetConfigAttrib(egl_dpy, config, EGL_NATIVE_VISUAL_ID, &vid)) {
-      printf("Error: eglGetConfigAttrib() failed\n");
-      exit(1);
-   }
-
-   /* The X window visual must match the EGL config */
-   visTemplate.visualid = vid;
-   visInfo = XGetVisualInfo(x_dpy, VisualIDMask, &visTemplate, &num_visuals);
-   if (!visInfo) {
-      printf("Error: couldn't get X visual\n");
-      exit(1);
-   }
-
-   /* window attributes */
-   attr.background_pixel = 0;
-   attr.border_pixel = 0;
-   attr.colormap = XCreateColormap( x_dpy, root, visInfo->visual, AllocNone);
-   attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
-   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
-
-   win = XCreateWindow( x_dpy, root, 0, 0, width, height,
-		        0, visInfo->depth, InputOutput,
-		        visInfo->visual, mask, &attr );
-
-   /* set hints and properties */
-   {
-      XSizeHints sizehints;
-      sizehints.x = x;
-      sizehints.y = y;
-      sizehints.width  = width;
-      sizehints.height = height;
-      sizehints.flags = USSize | USPosition;
-      XSetNormalHints(x_dpy, win, &sizehints);
-      XSetStandardProperties(x_dpy, win, name, name,
-                              None, (char **)NULL, 0, &sizehints);
-   }
-
-   eglBindAPI(EGL_OPENVG_API);
-
-   ctx = eglCreateContext(egl_dpy, config, EGL_NO_CONTEXT, NULL );
-   if (!ctx) {
-      printf("Error: eglCreateContext failed\n");
-      exit(1);
-   }
-
-   *surfRet = eglCreateWindowSurface(egl_dpy, config, win, NULL);
-
-   if (!*surfRet) {
-      printf("Error: eglCreateWindowSurface failed\n");
-      exit(1);
-   }
-
-   XFree(visInfo);
-
-   *winRet = win;
-   *ctxRet = ctx;
-}
-
-
-static void
-event_loop(Display *dpy, Window win,
-           EGLDisplay egl_dpy, EGLSurface egl_surf)
-{
-   while (1) {
-      XEvent event;
-
-      while (XPending(dpy) > 0) {
-         XNextEvent(dpy, &event);
-
-         switch (event.type) {
-         case Expose:
-            break;
-         case ConfigureNotify:
-            reshape(event.xconfigure.width, event.xconfigure.height);
-            break;
-         case KeyPress:
-         {
-            char buffer[10];
-            int r, code;
-            code = XLookupKeysym(&event.xkey, 0);
-            r = XLookupString(&event.xkey, buffer, sizeof(buffer),
-                              NULL, NULL);
-            if (buffer[0] == 27) {
-               /* escape */
-               return;
-            }
-         }
-         break;
-         default:
-            ; /*no-op*/
-         }
-      }
-
-      draw();
-      eglSwapBuffers(egl_dpy, egl_surf);
-   }
-}
-
-
-static void
-usage(void)
-{
-   printf("Usage:\n");
-   printf("  -display <displayname>  set the display to run on\n");
-   printf("  -info                   display OpenGL renderer info\n");
-}
-
-int
-main(int argc, char *argv[])
-{
-   const int winWidth = 350, winHeight = 450;
-   Display *x_dpy;
-   Window win;
-   EGLSurface egl_surf;
-   EGLContext egl_ctx;
-   EGLDisplay egl_dpy;
-   char *dpyName = NULL;
-   GLboolean printInfo = GL_FALSE;
-   EGLint egl_major, egl_minor;
-   int i;
-   const char *s;
-
-   for (i = 1; i < argc; i++) {
-      if (strcmp(argv[i], "-display") == 0) {
-         dpyName = argv[i+1];
-         i++;
-      }
-      else if (strcmp(argv[i], "-info") == 0) {
-         printInfo = GL_TRUE;
-      }
-      else {
-         usage();
-         return -1;
-      }
-   }
-
-   x_dpy = XOpenDisplay(dpyName);
-   if (!x_dpy) {
-      printf("Error: couldn't open display %s\n",
-	     dpyName ? dpyName : getenv("DISPLAY"));
-      return -1;
-   }
-
-   egl_dpy = eglGetDisplay(x_dpy);
-   if (!egl_dpy) {
-      printf("Error: eglGetDisplay() failed\n");
-      return -1;
-   }
-
-   if (!eglInitialize(egl_dpy, &egl_major, &egl_minor)) {
-      printf("Error: eglInitialize() failed\n");
-      return -1;
-   }
-
-   s = eglQueryString(egl_dpy, EGL_VERSION);
-   printf("EGL_VERSION = %s\n", s);
-
-   make_x_window(x_dpy, egl_dpy,
-                 "Lion Example", 0, 0, winWidth, winHeight,
-                 &win, &egl_ctx, &egl_surf);
-
-   XMapWindow(x_dpy, win);
-   if (!eglMakeCurrent(egl_dpy, egl_surf, egl_surf, egl_ctx)) {
-      printf("Error: eglMakeCurrent() failed\n");
-      return -1;
-   }
-
-   if (printInfo) {
-      printf("VG_RENDERER   = %s\n", (char *) vgGetString(VG_RENDERER));
-      printf("VG_VERSION    = %s\n", (char *) vgGetString(VG_VERSION));
-      printf("VG_VENDOR     = %s\n", (char *) vgGetString(VG_VENDOR));
-   }
-
-   init();
-
-   /* Set initial projection/viewing transformation.
-    * We can't be sure we'll get a ConfigureNotify event when the window
-    * first appears.
-    */
-   reshape(winWidth, winHeight);
-
-   event_loop(x_dpy, win, egl_dpy, egl_surf);
-
-   eglDestroyContext(egl_dpy, egl_ctx);
-   eglDestroySurface(egl_dpy, egl_surf);
-   eglTerminate(egl_dpy);
-
-
-   XDestroyWindow(x_dpy, win);
-   XCloseDisplay(x_dpy);
-
-   return 0;
-}
diff --git a/progs/openvg/trivial/eglcommon.c b/progs/openvg/trivial/eglcommon.c
deleted file mode 100644
index 0316e596c6..0000000000
--- a/progs/openvg/trivial/eglcommon.c
+++ /dev/null
@@ -1,289 +0,0 @@
-#include "eglcommon.h"
-
-
-#include <assert.h>
-#include <math.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/keysym.h>
-#include <VG/openvg.h>  /* using full OpenGL for now */
-#include <GLES/egl.h>
-
-
-static init_func    init = 0;
-static draw_func    draw = 0;
-static reshape_func reshape = 0;
-static key_func     keyPress = 0;
-static VGint width = 300, height = 300;
-
-
-void set_window_size(int w, int h)
-{
-   width = w;
-   height = h;
-}
-
-/*
- * Create an RGB, double-buffered X window.
- * Return the window and context handles.
- */
-static void
-make_x_window(Display *x_dpy, EGLDisplay egl_dpy,
-              const char *name,
-              int x, int y, int width, int height,
-              Window *winRet,
-              EGLContext *ctxRet,
-              EGLSurface *surfRet)
-{
-   static const EGLint attribs[] = {
-      EGL_RED_SIZE, 1,
-      EGL_GREEN_SIZE, 1,
-      EGL_BLUE_SIZE, 1,
-      EGL_RENDERABLE_TYPE, EGL_OPENVG_BIT,
-      EGL_NONE
-   };
-
-   int scrnum;
-   XSetWindowAttributes attr;
-   unsigned long mask;
-   Window root;
-   Window win;
-   XVisualInfo *visInfo, visTemplate;
-   int num_visuals;
-   EGLContext ctx;
-   EGLConfig config;
-   EGLint num_configs;
-   EGLint vid;
-
-   scrnum = DefaultScreen( x_dpy );
-   root = RootWindow( x_dpy, scrnum );
-
-   if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs) ||
-       !num_configs) {
-      printf("Error: couldn't get an EGL visual config\n");
-      exit(1);
-   }
-
-   assert(config);
-
-   if (!eglGetConfigAttrib(egl_dpy, config, EGL_NATIVE_VISUAL_ID, &vid)) {
-      printf("Error: eglGetConfigAttrib() failed\n");
-      exit(1);
-   }
-
-   /* The X window visual must match the EGL config */
-   visTemplate.visualid = vid;
-   visInfo = XGetVisualInfo(x_dpy, VisualIDMask, &visTemplate, &num_visuals);
-   if (!visInfo) {
-      printf("Error: couldn't get X visual\n");
-      exit(1);
-   }
-
-   /* window attributes */
-   attr.background_pixel = 0;
-   attr.border_pixel = 0;
-   attr.colormap = XCreateColormap( x_dpy, root, visInfo->visual, AllocNone);
-   attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
-   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
-
-   win = XCreateWindow( x_dpy, root, 0, 0, width, height,
-		        0, visInfo->depth, InputOutput,
-		        visInfo->visual, mask, &attr );
-
-   /* set hints and properties */
-   {
-      XSizeHints sizehints;
-      sizehints.x = x;
-      sizehints.y = y;
-      sizehints.width  = width;
-      sizehints.height = height;
-      sizehints.flags = USSize | USPosition;
-      XSetNormalHints(x_dpy, win, &sizehints);
-      XSetStandardProperties(x_dpy, win, name, name,
-                              None, (char **)NULL, 0, &sizehints);
-   }
-
-   eglBindAPI(EGL_OPENVG_API);
-
-   ctx = eglCreateContext(egl_dpy, config, EGL_NO_CONTEXT, NULL );
-   if (!ctx) {
-      printf("Error: eglCreateContext failed\n");
-      exit(1);
-   }
-
-   *surfRet = eglCreateWindowSurface(egl_dpy, config, win, NULL);
-
-   if (!*surfRet) {
-      printf("Error: eglCreateWindowSurface failed\n");
-      exit(1);
-   }
-
-   XFree(visInfo);
-
-   *winRet = win;
-   *ctxRet = ctx;
-}
-
-static void
-event_loop(Display *dpy, Window win,
-           EGLDisplay egl_dpy, EGLSurface egl_surf)
-{
-   while (1) {
-      int redraw = 0;
-      XEvent event;
-
-      XNextEvent(dpy, &event);
-
-      switch (event.type) {
-      case Expose:
-         redraw = 1;
-         break;
-      case ConfigureNotify:
-         if (reshape) {
-            width = event.xconfigure.width;
-            height = event.xconfigure.height;
-            reshape(event.xconfigure.width, event.xconfigure.height);
-         }
-         break;
-      case KeyPress:
-      {
-         char buffer[10];
-         int r, code;
-         code = XLookupKeysym(&event.xkey, 0);
-         if (!keyPress || !keyPress(code)) {
-            r = XLookupString(&event.xkey, buffer, sizeof(buffer),
-                              NULL, NULL);
-            if (buffer[0] == 27) {
-               /* escape */
-               return;
-            }
-         }
-      }
-      redraw = 1;
-      break;
-      default:
-         ; /*no-op*/
-      }
-
-      if (redraw) {
-         draw();
-         eglSwapBuffers(egl_dpy, egl_surf);
-      }
-   }
-}
-
-int window_width(void)
-{
-   return width;
-}
-
-int window_height(void)
-{
-   return height;
-}
-
-static void
-usage(void)
-{
-   printf("Usage:\n");
-   printf("  -display <displayname>  set the display to run on\n");
-   printf("  -info                   display OpenGL renderer info\n");
-}
-
-int run(int argc, char **argv,
-        init_func init_f,
-        reshape_func resh_f,
-        draw_func draw_f,
-        key_func key_f)
-{
-   const int winWidth = width, winHeight = height;
-   Display *x_dpy;
-   Window win;
-   EGLSurface egl_surf;
-   EGLContext egl_ctx;
-   EGLDisplay egl_dpy;
-   char *dpyName = NULL;
-   GLboolean printInfo = GL_FALSE;
-   EGLint egl_major, egl_minor;
-   int i;
-   const char *s;
-
-   init = init_f;
-   draw = draw_f;
-   reshape = resh_f;
-   keyPress = key_f;
-
-   for (i = 1; i < argc; i++) {
-      if (strcmp(argv[i], "-display") == 0) {
-         dpyName = argv[i+1];
-         i++;
-      }
-      else if (strcmp(argv[i], "-info") == 0) {
-         printInfo = GL_TRUE;
-      }
-   }
-
-   x_dpy = XOpenDisplay(dpyName);
-   if (!x_dpy) {
-      printf("Error: couldn't open display %s\n",
-	     dpyName ? dpyName : getenv("DISPLAY"));
-      return -1;
-   }
-
-   egl_dpy = eglGetDisplay(x_dpy);
-   if (!egl_dpy) {
-      printf("Error: eglGetDisplay() failed\n");
-      return -1;
-   }
-
-   if (!eglInitialize(egl_dpy, &egl_major, &egl_minor)) {
-      printf("Error: eglInitialize() failed\n");
-      return -1;
-   }
-
-   s = eglQueryString(egl_dpy, EGL_VERSION);
-   printf("EGL_VERSION = %s\n", s);
-
-   make_x_window(x_dpy, egl_dpy,
-                 "OpenVG Example", 0, 0, winWidth, winHeight,
-                 &win, &egl_ctx, &egl_surf);
-
-   XMapWindow(x_dpy, win);
-   if (!eglMakeCurrent(egl_dpy, egl_surf, egl_surf, egl_ctx)) {
-      printf("Error: eglMakeCurrent() failed\n");
-      return -1;
-   }
-
-   if (printInfo) {
-      printf("VG_RENDERER   = %s\n", (char *) vgGetString(VG_RENDERER));
-      printf("VG_VERSION    = %s\n", (char *) vgGetString(VG_VERSION));
-      printf("VG_VENDOR     = %s\n", (char *) vgGetString(VG_VENDOR));
-   }
-
-   if (init)
-      init();
-
-   /* Set initial projection/viewing transformation.
-    * We can't be sure we'll get a ConfigureNotify event when the window
-    * first appears.
-    */
-   if (reshape)
-      reshape(winWidth, winHeight);
-
-   event_loop(x_dpy, win, egl_dpy, egl_surf);
-
-   eglMakeCurrent(egl_dpy, 0, 0, 0);
-   eglDestroyContext(egl_dpy, egl_ctx);
-   eglDestroySurface(egl_dpy, egl_surf);
-   eglTerminate(egl_dpy);
-
-
-   XDestroyWindow(x_dpy, win);
-   XCloseDisplay(x_dpy);
-
-   return 0;
-}
-
diff --git a/progs/openvg/trivial/eglcommon.h b/progs/openvg/trivial/eglcommon.h
deleted file mode 100644
index 958dae9f98..0000000000
--- a/progs/openvg/trivial/eglcommon.h
+++ /dev/null
@@ -1,20 +0,0 @@
-#ifndef EGLCOMMON_H
-#define EGLCOMMON_H
-
-typedef void (*init_func)();
-typedef void (*reshape_func)(int, int);
-typedef void (*draw_func)();
-typedef int  (*key_func)(unsigned key);
-
-
-void set_window_size(int width, int height);
-int window_width(void);
-int window_height(void);
-
-int run(int argc, char **argv,
-        init_func init,
-        reshape_func resh,
-        draw_func draw,
-        key_func key);
-
-#endif
diff --git a/progs/samples/copy.c b/progs/samples/copy.c
index 391c637d6f..353a3a2e1a 100644
--- a/progs/samples/copy.c
+++ b/progs/samples/copy.c
@@ -25,6 +25,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
+#include <GL/glew.h>
 #include <GL/glut.h>
 
 
@@ -35,7 +36,6 @@ GLint windW, windH;
 
 char *fileName = 0;
 PPMImage *image;
-float point[3];
 float zoom;
 GLint x, y;
 
@@ -97,27 +97,27 @@ static void Mouse(int button, int state, int mouseX, int mouseY)
 
 static void Draw(void)
 {
+    GLint src[3], dst[3];
 
     glClear(GL_COLOR_BUFFER_BIT);
 
-    point[0] = (windW / 2) - (image->sizeX / 2);
-    point[1] = (windH / 2) - (image->sizeY / 2);
-    point[2] = 0;
-    glRasterPos3fv(point);
+    src[0] = (int) ((windW / 2.0) - (image->sizeX / 2.0));
+    src[1] = (int) ((windH / 2.0) - (image->sizeY / 2.0));
+    src[2] = 0;
+    glWindowPos3ivARB(src);
 
     glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
     glPixelZoom(1.0, 1.0);
     glDrawPixels(image->sizeX, image->sizeY, GL_RGB, GL_UNSIGNED_BYTE,
 		 image->data);
 
-    point[0] = (float)x;
-    point[1] = windH - (float)y;
-    point[2] = 0.0;
-    glRasterPos3fv(point);
+    dst[0] = x;
+    dst[1] = windH - y;
+    dst[2] = 0;
+    glWindowPos3ivARB(dst);
 
     glPixelZoom(zoom, zoom);
-    glCopyPixels((windW/2)-(image->sizeX/2),
-		 (windH/2)-(image->sizeY/2),
+    glCopyPixels(src[0], src[1],
 		 image->sizeX, image->sizeY, GL_COLOR);
 
     glFlush();
@@ -170,8 +170,8 @@ int main(int argc, char **argv)
 
     image = LoadPPM(fileName);
 
-    windW = 300;
-    windH = 300;
+    windW = 2*300;
+    windH = 2*300;
     glutInitWindowPosition(0, 0); glutInitWindowSize( windW, windH);
 
     type = GLUT_RGB;
@@ -182,6 +182,7 @@ int main(int argc, char **argv)
 	exit(1);
     }
 
+    glewInit();
     Init();
 
     glutReshapeFunc(Reshape);
diff --git a/progs/samples/loadppm.c b/progs/samples/loadppm.c
index be056d6294..adae9b491e 100644
--- a/progs/samples/loadppm.c
+++ b/progs/samples/loadppm.c
@@ -9,7 +9,7 @@ static PPMImage *LoadPPM(const char *filename)
     char buff[16];
     PPMImage *result;
     FILE *fp;
-    int maxval;
+    int maxval, w, h;
 
     fp = fopen(filename, "rb");
     if (!fp)
@@ -37,11 +37,13 @@ static PPMImage *LoadPPM(const char *filename)
 	exit(1);
     }
 
-    if (fscanf(fp, "%lu %lu", &result->sizeX, &result->sizeY) != 2)
+    if (fscanf(fp, "%d %d", &w, &h) != 2)
     {
 	fprintf(stderr, "Error loading image `%s'\n", filename);
 	exit(1);
     }
+    result->sizeX = w;
+    result->sizeY = h;
 
     if (fscanf(fp, "%d", &maxval) != 1)
     {
diff --git a/progs/tests/fbotest1.c b/progs/tests/fbotest1.c
index 0cd7f95c35..a95fdff74c 100644
--- a/progs/tests/fbotest1.c
+++ b/progs/tests/fbotest1.c
@@ -36,8 +36,8 @@ Display( void )
 
    /* draw to user framebuffer */
    glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB);
-   glDrawBuffer(GL_COLOR_ATTACHMENT1_EXT);
-   glReadBuffer(GL_COLOR_ATTACHMENT1_EXT);
+   glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
+   glReadBuffer(GL_COLOR_ATTACHMENT0_EXT);
 
    status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
    if (status != GL_FRAMEBUFFER_COMPLETE_EXT) {
@@ -161,7 +161,7 @@ Init( void )
    assert(i == MyFB);
 
    CheckError(__LINE__);
-   glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT1_EXT,
+   glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
                                 GL_RENDERBUFFER_EXT, MyRB);
 
    glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGB, Width, Height);
diff --git a/progs/tests/fbotest2.c b/progs/tests/fbotest2.c
index f9c506193f..faf0dd8748 100644
--- a/progs/tests/fbotest2.c
+++ b/progs/tests/fbotest2.c
@@ -33,15 +33,16 @@ CheckError(int line)
 static void
 Display( void )
 {
-   GLubyte *buffer = malloc(Width * Height * 4);
+   GLboolean copyPix = GL_FALSE;
+   GLboolean blitPix = GL_FALSE;
    GLenum status;
 
    CheckError(__LINE__);
 
    /* draw to user framebuffer */
    glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB);
-   glDrawBuffer(GL_COLOR_ATTACHMENT1_EXT);
-   glReadBuffer(GL_COLOR_ATTACHMENT1_EXT);
+   glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
+   glReadBuffer(GL_COLOR_ATTACHMENT0_EXT);
 
    status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
    if (status != GL_FRAMEBUFFER_COMPLETE_EXT) {
@@ -63,16 +64,43 @@ Display( void )
    glutSolidTeapot(2.0);
    glPopMatrix();
 
-   /* read from user framebuffer */
-   glReadPixels(0, 0, Width, Height, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
+   if (copyPix) {
+      glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, MyFB);
+      glReadBuffer(GL_COLOR_ATTACHMENT0_EXT);
+      glBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, 0);
+      glDrawBuffer(GL_BACK);
 
-   /* draw to window */
-   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
-   glDisable(GL_DEPTH_TEST);  /* in case window has depth buffer */
-   glWindowPos2iARB(0, 0);
-   glDrawPixels(Width, Height, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
+      glDisable(GL_DEPTH_TEST);  /* in case window has depth buffer */
+
+      glWindowPos2iARB(0, 0);
+      glCopyPixels(0, 0, Width, Height, GL_COLOR);
+   }
+   else if (blitPix) {
+      glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, MyFB);
+      glReadBuffer(GL_COLOR_ATTACHMENT0_EXT);
+      glBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, 0);
+      glDrawBuffer(GL_BACK);
+
+      glDisable(GL_DEPTH_TEST);  /* in case window has depth buffer */
+
+      glBlitFramebufferEXT(0, 0, Width, Height,
+                           0, 0, Width, Height,
+                           GL_COLOR_BUFFER_BIT, GL_NEAREST);
+   }
+   else {
+      GLubyte *buffer = malloc(Width * Height * 4);
+      /* read from user framebuffer */
+      glReadPixels(0, 0, Width, Height, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
+
+      /* draw to window */
+      glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+      glDisable(GL_DEPTH_TEST);  /* in case window has depth buffer */
+      glWindowPos2iARB(0, 0);
+      glDrawPixels(Width, Height, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
+
+      free(buffer);
+   }
 
-   free(buffer);
    glutSwapBuffers();
    CheckError(__LINE__);
 }
@@ -163,7 +191,7 @@ Init( void )
    glGenRenderbuffersEXT(1, &ColorRb);
    glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, ColorRb);
    assert(glIsRenderbufferEXT(ColorRb));
-   glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT1_EXT,
+   glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
                                 GL_RENDERBUFFER_EXT, ColorRb);
    glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGB, Width, Height);
 
diff --git a/progs/tests/fbotest3.c b/progs/tests/fbotest3.c
index 8e288b38b8..c176f82d2b 100644
--- a/progs/tests/fbotest3.c
+++ b/progs/tests/fbotest3.c
@@ -50,8 +50,8 @@ Display( void )
 
    /* draw to user framebuffer */
    glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB);
-   glDrawBuffer(GL_COLOR_ATTACHMENT1_EXT);
-   glReadBuffer(GL_COLOR_ATTACHMENT1_EXT);
+   glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
+   glReadBuffer(GL_COLOR_ATTACHMENT0_EXT);
 
    status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
    if (status != GL_FRAMEBUFFER_COMPLETE_EXT) {
@@ -189,7 +189,7 @@ Init( void )
    glGenRenderbuffersEXT(1, &ColorRb);
    glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, ColorRb);
    assert(glIsRenderbufferEXT(ColorRb));
-   glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT1_EXT,
+   glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
                                 GL_RENDERBUFFER_EXT, ColorRb);
    glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGB, Width, Height);
 
diff --git a/progs/tests/stencil_twoside.c b/progs/tests/stencil_twoside.c
index 7d871e5877..1010139a20 100644
--- a/progs/tests/stencil_twoside.c
+++ b/progs/tests/stencil_twoside.c
@@ -26,7 +26,7 @@
  * \file stencil_twoside.c
  * 
  * Simple test of GL_ATI_separate_stencil (or the OGL 2.0 equivalent) functionality.
- * Four squares are drawn
+ * Five squares (or six if stencil wrap is available) are drawn
  * with different stencil modes, but all should be rendered with the same
  * final color.
  */
@@ -37,7 +37,7 @@
 #include <GL/glut.h>
 
 static int use20syntax = 1;
-static int Width = 550;
+static int Width = 650;
 static int Height = 200;
 static const GLfloat Near = 5.0, Far = 25.0;
 
@@ -70,7 +70,7 @@ static void Display( void )
     */
 
    glDisable(GL_STENCIL_TEST);
-   glTranslatef(-6.0, 0, 0);
+   glTranslatef(-7.0, 0, 0);
    glBegin(GL_QUADS);
    glColor3f( 0.5, 0.5, 0.5 );
    glVertex2f(-1, -1);
@@ -85,6 +85,9 @@ static void Display( void )
    /* Draw the first two squares using incr for the affected face
     */
 
+   /*************************************************************************
+    * 2nd square
+    */
    if (use20syntax) {
       stencil_func_separate(GL_FRONT, GL_ALWAYS, 0, ~0);
       stencil_func_separate(GL_BACK, GL_ALWAYS, 0, ~0);
@@ -98,8 +101,8 @@ static void Display( void )
    glTranslatef(3.0, 0, 0);
    glBegin(GL_QUADS);
    glColor3f( 0.9, 0.9, 0.9 );
-   /* this should be front facing */
    for ( i = 0 ; i < (max_stencil + 5) ; i++ ) {
+      /* this should be front facing */
       glVertex2f(-1, -1);
       glVertex2f( 1, -1);
       glVertex2f( 1,  1);
@@ -107,6 +110,7 @@ static void Display( void )
    }
    glEnd();
 
+   /* stencil vals should be equal to max_stencil */
    glStencilFunc(GL_EQUAL, max_stencil, ~0);
    glBegin(GL_QUADS);
    glColor3f( 0.5, 0.5, 0.5 );
@@ -116,6 +120,9 @@ static void Display( void )
    glVertex2f(-1,  1);
    glEnd();
 
+   /*************************************************************************
+    * 3rd square
+    */
    if (use20syntax) {
       stencil_func_separate(GL_FRONT, GL_ALWAYS, 0, ~0);
       stencil_func_separate(GL_BACK, GL_ALWAYS, 0, ~0);
@@ -129,9 +136,8 @@ static void Display( void )
    glTranslatef(3.0, 0, 0);
    glBegin(GL_QUADS);
    glColor3f( 0.9, 0.9, 0.9 );
-
-   /* this should be back facing */
    for ( i = 0 ; i < (max_stencil + 5) ; i++ ) {
+      /* this should be back facing */
       glVertex2f(-1, -1);
       glVertex2f(-1,  1);
       glVertex2f( 1,  1);
@@ -139,6 +145,7 @@ static void Display( void )
    }
    glEnd();
 
+   /* stencil vals should be equal to max_stencil */
    glStencilFunc(GL_EQUAL, max_stencil, ~0);
    glBegin(GL_QUADS);
    glColor3f( 0.5, 0.5, 0.5 );
@@ -148,6 +155,9 @@ static void Display( void )
    glVertex2f(-1,  1);
    glEnd();
 
+   /*************************************************************************
+    * 4th square
+    */
    if (use20syntax) {
       stencil_func_separate(GL_FRONT, GL_NEVER, 0, ~0);
       stencil_func_separate(GL_BACK, GL_ALWAYS, 0, ~0);
@@ -161,15 +171,13 @@ static void Display( void )
    glTranslatef(3.0, 0, 0);
    glBegin(GL_QUADS);
    glColor3f( 0.9, 0.9, 0.9 );
-
-   /* this should be back facing */
    for ( i = 0 ; i < (max_stencil + 5) ; i++ ) {
-   /* this should be back facing */
+      /* this should be back facing */
       glVertex2f(-1, -1);
       glVertex2f(-1,  1);
       glVertex2f( 1,  1);
       glVertex2f( 1, -1);
-   /* this should be front facing */
+      /* this should be front facing */
       glVertex2f(-1, -1);
       glVertex2f( 1, -1);
       glVertex2f( 1,  1);
@@ -177,6 +185,7 @@ static void Display( void )
    }
    glEnd();
 
+   /* stencil vals should be equal to max_stencil */
    glStencilFunc(GL_EQUAL, max_stencil, ~0);
    glBegin(GL_QUADS);
    glColor3f( 0.5, 0.5, 0.5 );
@@ -186,6 +195,9 @@ static void Display( void )
    glVertex2f(-1,  1);
    glEnd();
 
+   /*************************************************************************
+    * 5th square
+    */
    if (use20syntax) {
       stencil_func_separate(GL_FRONT, GL_ALWAYS, 0, ~0);
       stencil_func_separate(GL_BACK, GL_ALWAYS, 0, ~0);
@@ -193,21 +205,19 @@ static void Display( void )
    else {
       stencil_func_separate_ati(GL_ALWAYS, GL_ALWAYS, 0, ~0);
    }
-   stencil_op_separate(GL_FRONT, GL_KEEP, GL_KEEP, GL_DECR);
-   stencil_op_separate(GL_BACK, GL_KEEP, GL_KEEP, GL_INCR);
+   stencil_op_separate(GL_FRONT, GL_KEEP, GL_KEEP, GL_INCR);
+   stencil_op_separate(GL_BACK, GL_KEEP, GL_KEEP, GL_DECR);
 
    glTranslatef(3.0, 0, 0);
    glBegin(GL_QUADS);
    glColor3f( 0.9, 0.9, 0.9 );
-
-   /* this should be back facing */
    for ( i = 0 ; i < (max_stencil + 5) ; i++ ) {
-   /* this should be back facing */
+      /* this should be back facing */
       glVertex2f(-1, -1);
       glVertex2f(-1,  1);
       glVertex2f( 1,  1);
       glVertex2f( 1, -1);
-   /* this should be front facing */
+      /* this should be front facing */
       glVertex2f(-1, -1);
       glVertex2f( 1, -1);
       glVertex2f( 1,  1);
@@ -224,6 +234,47 @@ static void Display( void )
    glVertex2f(-1,  1);
    glEnd();
 
+   /*************************************************************************
+    * 6th square
+    */
+   if (glutExtensionSupported("GL_EXT_stencil_wrap")) {
+      if (use20syntax) {
+         stencil_func_separate(GL_FRONT, GL_ALWAYS, 0, ~0);
+         stencil_func_separate(GL_BACK, GL_ALWAYS, 0, ~0);
+      }
+      else {
+         stencil_func_separate_ati(GL_ALWAYS, GL_ALWAYS, 0, ~0);
+      }
+      stencil_op_separate(GL_FRONT, GL_KEEP, GL_KEEP, GL_KEEP);
+      stencil_op_separate(GL_BACK, GL_KEEP, GL_KEEP, GL_INCR_WRAP);
+
+      glTranslatef(3.0, 0, 0);
+      glBegin(GL_QUADS);
+      glColor3f( 0.9, 0.9, 0.9 );
+      for ( i = 0 ; i < (max_stencil + 5) ; i++ ) {
+         /* this should be back facing */
+         glVertex2f(-1, -1);
+         glVertex2f(-1,  1);
+         glVertex2f( 1,  1);
+         glVertex2f( 1, -1);
+         /* this should be front facing */
+         glVertex2f(-1, -1);
+         glVertex2f( 1, -1);
+         glVertex2f( 1,  1);
+         glVertex2f(-1,  1);
+      }
+      glEnd();
+
+      glStencilFunc(GL_EQUAL, 260 - 255, ~0);
+      glBegin(GL_QUADS);
+      glColor3f( 0.5, 0.5, 0.5 );
+      glVertex2f(-1, -1);
+      glVertex2f( 1, -1);
+      glVertex2f( 1,  1);
+      glVertex2f(-1,  1);
+      glEnd();
+   }
+
    glPopMatrix();
 
    glutSwapBuffers();
@@ -278,7 +329,7 @@ static void Init( void )
    stencil_func_separate_ati = (PFNGLSTENCILFUNCSEPARATEATIPROC) glutGetProcAddress( "glStencilFuncSeparateATI" );
    stencil_op_separate = (PFNGLSTENCILOPSEPARATEPROC) glutGetProcAddress( "glStencilOpSeparate" );
 
-   printf("\nAll 5 squares should be the same color.\n");
+   printf("\nAll 5 (or 6) squares should be the same color.\n");
 }
 
 
diff --git a/progs/trivial/Makefile b/progs/trivial/Makefile
index b4a903cb68..a10748f948 100644
--- a/progs/trivial/Makefile
+++ b/progs/trivial/Makefile
@@ -11,6 +11,7 @@ include $(TOP)/configs/current
 LIBS = -L$(TOP)/$(LIB_DIR) -l $(GLEW_LIB) -l$(GLUT_LIB) -l$(GLU_LIB) -l$(GL_LIB) $(APP_LIB_DEPS)
 
 SOURCES = \
+	clear-fbo-scissor.c \
 	clear-fbo-tex.c \
 	clear-fbo.c \
 	clear-scissor.c \
diff --git a/progs/trivial/SConscript b/progs/trivial/SConscript
index f480da047e..24b4f91fb0 100644
--- a/progs/trivial/SConscript
+++ b/progs/trivial/SConscript
@@ -1,7 +1,8 @@
 Import('*')
 
 progs = [
-    'clear-fbo-tex',
+	'clear-fbo-scissor',
+	'clear-fbo-tex',
 	'clear-fbo',
 	'clear-scissor',
 	'clear-undefined',
diff --git a/progs/trivial/clear-fbo-scissor.c b/progs/trivial/clear-fbo-scissor.c
new file mode 100644
index 0000000000..6a605e16a8
--- /dev/null
+++ b/progs/trivial/clear-fbo-scissor.c
@@ -0,0 +1,234 @@
+/*
+ * Use scissor to clear the four quadrants of the FBO to different
+ * colors.  Then draw a grey triangle in the middle.
+ */
+
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <string.h>
+#include <GL/glew.h>
+#include <GL/glut.h>
+#include <GL/glu.h>
+
+
+static int Width = 512, Height = 512;
+static GLuint MyFB, MyRB;
+static GLboolean UseTex = GL_FALSE;
+static GLboolean UseCopyPix = GL_FALSE;
+
+
+#define CheckError() \
+   do { \
+      GLenum err = glGetError(); \
+      if (err != GL_NO_ERROR) \
+         printf("Error: %s\n", gluErrorString(err)); \
+      assert(err == GL_NO_ERROR); \
+   } while (0)
+
+
+static void
+Init(void)
+{
+   GLenum status;
+
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+   fflush(stderr);
+
+   if (!glutExtensionSupported("GL_EXT_framebuffer_object")) {
+      printf("GL_EXT_framebuffer_object not found!\n");
+      exit(0);
+   }
+
+   glGenFramebuffersEXT(1, &MyFB);
+   glGenRenderbuffersEXT(1, &MyRB);
+
+   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB);
+
+   if (UseTex) {
+      GLuint tex;
+      glGenTextures(1, &tex);
+      glBindTexture(GL_TEXTURE_2D, tex);
+      glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, Width, Height, 0,
+                   GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+      glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, 
+                                GL_COLOR_ATTACHMENT0_EXT,
+                                GL_TEXTURE_2D, tex, 0);
+   }
+   else {
+      glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, MyRB);
+
+      glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT,
+                                   GL_COLOR_ATTACHMENT0_EXT,
+                                   GL_RENDERBUFFER_EXT, MyRB);
+
+      glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGB, Width, Height);
+   }
+
+   status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
+   if (status != GL_FRAMEBUFFER_COMPLETE_EXT) {
+      fprintf(stderr, "Framebuffer object is incomplete (0x%x)!\n", status);
+   }
+
+   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+}
+
+
+static void
+Reshape(int width, int height)
+{
+   glViewport(0, 0, width, height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(-1.0, 1.0, -1.0, 1.0, -1.0, 1.0);
+   glMatrixMode(GL_MODELVIEW);
+
+   Width = width;
+   Height = height;
+   if (!UseTex) {
+      glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGB, Width, Height);
+   }
+}
+
+
+static void
+Key(unsigned char key, int x, int y)
+{
+   if (key == 27) {
+      exit(0);
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+Draw(void)
+{
+   GLboolean scissor = GL_TRUE;
+
+   /* draw to user framebuffer */
+   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB);
+   glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
+   glReadBuffer(GL_COLOR_ATTACHMENT0_EXT);
+
+   glViewport(0, 0, Width, Height);
+   CheckError();
+
+   if (scissor) {
+      glEnable(GL_SCISSOR_TEST);
+
+      /* lower-left = red */
+      glClearColor(1, 0, 0, 0);
+      glScissor(0, 0, Width / 2, Height / 2);
+      glClear(GL_COLOR_BUFFER_BIT); 
+
+      /* lower-right = green */
+      glClearColor(0, 1, 0, 0);
+      glScissor(Width / 2, 0, Width - Width / 2, Height / 2);
+      glClear(GL_COLOR_BUFFER_BIT); 
+
+      /* upper-left = blue */
+      glClearColor(0, 0, 1, 0);
+      glScissor(0, Height / 2, Width / 2, Height - Height / 2);
+      glClear(GL_COLOR_BUFFER_BIT); 
+
+      /* upper-right = white */
+      glClearColor(1, 1, 1, 0);
+      glScissor(Width / 2, Height / 2, Width - Width / 2, Height - Height / 2);
+      glClear(GL_COLOR_BUFFER_BIT); 
+
+      glDisable(GL_SCISSOR_TEST);
+   }
+   else {
+      glClearColor(0, 1, 0, 0);
+      glClear(GL_COLOR_BUFFER_BIT);
+   }
+
+   CheckError();
+
+   /* gray triangle in middle, pointing up */
+   glColor3f(0.5, 0.5, 0.5);
+   glBegin(GL_TRIANGLES);
+   glVertex2f(Width/4, Height/4);
+   glVertex2f(Width*3/4, Height/4);
+   glVertex2f(Width/2, Height*3/4);
+   glVertex2f(-0.5, -0.5);
+   glVertex2f(+0.5, -0.5);
+   glVertex2f( 0.0, 0.7);
+   glEnd();
+
+   CheckError();
+
+   /* copy fbo to window */
+   glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, MyFB);
+   glReadBuffer(GL_COLOR_ATTACHMENT0_EXT);
+   glBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, 0);
+   glDrawBuffer(GL_BACK);
+   
+   if (UseCopyPix) {
+      glWindowPos2i(0, 0);
+      glCopyPixels(0, 0, Width, Height, GL_COLOR);
+   }
+   else {
+      GLubyte *buffer = malloc(Width * Height * 4);
+
+      /* read from user framebuffer */
+      glReadPixels(0, 0, Width, Height, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
+
+      /* draw to window */
+      glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+      glWindowPos2iARB(0, 0);
+      glDrawPixels(Width, Height, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
+
+      free(buffer);
+   }
+
+   /* Bind normal framebuffer */
+   glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+
+   glutSwapBuffers();
+
+   CheckError();
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   int i;
+
+   glutInit(&argc, argv);
+   glutInitWindowPosition(100, 0);
+   glutInitWindowSize(Width, Height);
+   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
+
+   for (i = 1; i < argc; i++) {
+      if (strcmp(argv[i], "-t") == 0)
+         UseTex = GL_TRUE;
+      else if (strcmp(argv[i], "-c") == 0)
+         UseCopyPix = GL_TRUE;
+   }
+
+   if (UseTex)
+      printf("Using render to texture\n");
+   else
+      printf("Using user-created render buffer\n");
+
+   if (!glutCreateWindow(argv[0])) {
+      exit(1);
+   }
+
+   glewInit();
+   Init();
+   glutReshapeFunc(Reshape);
+   glutKeyboardFunc(Key);
+   glutDisplayFunc(Draw);
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/trivial/tri-stencil.c b/progs/trivial/tri-stencil.c
index 9f68bca914..d66b68c415 100644
--- a/progs/trivial/tri-stencil.c
+++ b/progs/trivial/tri-stencil.c
@@ -77,6 +77,7 @@ static void Draw(void)
    glStencilFunc(GL_ALWAYS, 1, 1);
    glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
 
+   /* red triangle (setting stencil to 1) */
    glColor3ub(200, 0, 0);
    glBegin(GL_POLYGON);        
    glVertex3i(-4, -4, 0);
@@ -88,6 +89,7 @@ static void Draw(void)
    glStencilFunc(GL_EQUAL, 1, 1);
    glStencilOp(GL_INCR, GL_KEEP, GL_DECR);
 
+   /* green quad (if over red, decr stencil to 0, else incr to 1) */
    glColor3ub(0, 200, 0);
    glBegin(GL_POLYGON);
    glVertex3i(3, 3, 0);
@@ -101,6 +103,7 @@ static void Draw(void)
    glStencilFunc(GL_EQUAL, 1, 1);
    glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
 
+   /* blue quad (where stencil == 1) */
    glColor3ub(0, 0, 200);
    glBegin(GL_POLYGON);
    glVertex3f(2.5, 2.5, 0);
diff --git a/progs/xdemos/Makefile b/progs/xdemos/Makefile
index d81caab4dd..2663015b2c 100644
--- a/progs/xdemos/Makefile
+++ b/progs/xdemos/Makefile
@@ -9,9 +9,9 @@ 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
+APP_LIB_DEPS += $(X11_LIBS) -lpthread
 
-LIBS = -L$(TOP)/$(LIB_DIR) -l$(GL_LIB) -L$(libdir) $(APP_LIB_DEPS)
+LIBS = -L$(TOP)/$(LIB_DIR) -l$(GL_LIB) $(APP_LIB_DEPS)
 
 PROGS = \
 	corender \
diff --git a/progs/xdemos/omlsync.c b/progs/xdemos/omlsync.c
index a2baf4ad72..061d6c6861 100644
--- a/progs/xdemos/omlsync.c
+++ b/progs/xdemos/omlsync.c
@@ -249,11 +249,13 @@ int main(int argc, char *argv[])
 		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 		glRectf(0, 0, width, height);
 
-		glXSwapBuffersMscOML(disp, winGL, 0, divisor, remainder);
-
-		if (wait_interval) {
+		if (!wait_interval)
+			glXSwapBuffersMscOML(disp, winGL, 0, divisor,
+					     remainder);
+		else {
 			glXWaitForMscOML(disp, winGL, msc + wait_interval,
-					 0, 0, &ust, &msc, &sbc);
+					 divisor, remainder, &ust, &msc, &sbc);
+			glXSwapBuffersMscOML(disp, winGL, 0, 0, 0);
 		}
 	}