Merge remote branch 'origin/gallium-0.2' into gallium-0.2

10 files changed, 771 insertions, 28 deletions

diff --git a/progs/demos/fslight.c b/progs/demos/fslight.c
index c7931f4697..e79b5cc197 100644
--- a/progs/demos/fslight.c
+++ b/progs/demos/fslight.c
@@ -45,7 +45,7 @@ static GLint uTexture;
 
 static GLuint SphereList, RectList, CurList;
 static GLint win = 0;
-static GLboolean anim = 0*GL_TRUE;
+static GLboolean anim = GL_TRUE;
 static GLboolean wire = GL_FALSE;
 static GLboolean pixelLight = GL_TRUE;
 
diff --git a/progs/demos/textures.c b/progs/demos/textures.c
index 9f11604635..b7bf135d21 100644
--- a/progs/demos/textures.c
+++ b/progs/demos/textures.c
@@ -9,6 +9,9 @@
 #include <GL/glut.h>
 #include "readtex.h"
 
+#define TEST_CLAMP 0
+#define TEST_MIPMAPS 0
+
 #define MAX_TEXTURES 8
 
 
@@ -16,7 +19,8 @@ static int Win;
 static GLfloat Xrot = 0, Yrot = 0, Zrot = 0;
 static GLboolean Anim = GL_TRUE;
 static GLboolean Blend = GL_FALSE;
-static GLboolean MipMap = 1+GL_FALSE;
+static GLuint Filter = 0;
+static GLboolean Clamp = GL_FALSE;
 
 static GLuint NumTextures;
 static GLuint Textures[MAX_TEXTURES];
@@ -32,6 +36,22 @@ static const char *DefaultFiles[] = {
 };
 
 
+#define NUM_FILTERS 5
+static
+struct filter {
+   GLenum min, mag;
+   const char *name;
+} FilterModes[NUM_FILTERS] = {
+   { GL_NEAREST, GL_NEAREST, "Nearest,Nearest" },
+   { GL_LINEAR, GL_LINEAR, "Linear,Linear" },
+   { GL_NEAREST_MIPMAP_NEAREST, GL_NEAREST, "NearestMipmapNearest,Nearest" },
+   { GL_LINEAR_MIPMAP_NEAREST, GL_LINEAR, "LinearMipmapNearest,Linear" },
+   { GL_LINEAR_MIPMAP_LINEAR, GL_LINEAR, "LinearMipmapLinear,Linear" }
+};
+
+
+
+
 static void
 Idle(void)
 {
@@ -58,10 +78,17 @@ DrawTextures(void)
 
       glBindTexture(GL_TEXTURE_2D, Textures[i]);
       glBegin(GL_POLYGON);
+#if TEST_CLAMP
+      glTexCoord2f( -0.5, -0.5 );   glVertex2f( -ar, -1.0 );
+      glTexCoord2f(  1.5, -0.5 );   glVertex2f(  ar, -1.0 );
+      glTexCoord2f(  1.5,  1.5 );   glVertex2f(  ar,  1.0 );
+      glTexCoord2f( -0.5,  1.5 );   glVertex2f( -ar,  1.0 );
+#else
       glTexCoord2f( 0.0, 0.0 );   glVertex2f( -ar, -1.0 );
       glTexCoord2f( 1.0, 0.0 );   glVertex2f(  ar, -1.0 );
       glTexCoord2f( 1.0, 1.0 );   glVertex2f(  ar,  1.0 );
       glTexCoord2f( 0.0, 1.0 );   glVertex2f( -ar,  1.0 );
+#endif
       glEnd();
 
       glPopMatrix();
@@ -137,19 +164,23 @@ Randomize(void)
 
 
 static void
-SetTexFilters(void)
+SetTexParams(void)
 {
    GLuint i;
    for (i = 0; i < NumTextures; i++) {
       glBindTexture(GL_TEXTURE_2D, Textures[i]);
-      if (MipMap) {
-         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
-                         GL_LINEAR_MIPMAP_LINEAR);
-         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+                      FilterModes[Filter].min);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
+                      FilterModes[Filter].mag);
+
+      if (Clamp) {
+         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
       }
       else {
-         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
       }
    }
 }
@@ -163,6 +194,7 @@ Key(unsigned char key, int x, int y)
    (void) y;
    switch (key) {
    case 'a':
+   case ' ':
       Anim = !Anim;
       if (Anim)
          glutIdleFunc(Idle);
@@ -172,12 +204,19 @@ Key(unsigned char key, int x, int y)
    case 'b':
       Blend = !Blend;
       break;
-   case 'm':
-      MipMap = !MipMap;
-      SetTexFilters();
+   case 'f':
+      Filter = (Filter + 1) % NUM_FILTERS;
+      SetTexParams();
       break;      
    case 'r':
       Randomize();
+      break;
+#if TEST_CLAMP
+   case 'c':
+      Clamp = !Clamp;
+      SetTexParams();
+      break;
+#endif
    case 'z':
       Zrot -= step;
       break;
@@ -190,9 +229,9 @@ Key(unsigned char key, int x, int y)
       break;
    }
 
-   printf("Blend=%s MipMap=%s\n",
+   printf("Blend=%s Filter=%s\n",
           Blend ? "Y" : "n",
-          MipMap ? "Y" : "n");
+          FilterModes[Filter].name);
 
    glutPostRedisplay();
 }
@@ -231,15 +270,46 @@ LoadTextures(GLuint n, const char *files[])
 
    glGenTextures(n, Textures);
 
+   SetTexParams();
+
    for (i = 0; i < n; i++) {
       GLint w, h;
       glBindTexture(GL_TEXTURE_2D, Textures[i]);
-      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+#if TEST_MIPMAPS
+      {
+         static const GLubyte color[9][4] = {
+            {255, 0, 0},
+            {0, 255, 0},
+            {0, 0, 255},
+            {0, 255, 255},
+            {255, 0, 255},
+            {255, 255, 0},
+            {255, 128, 255},
+            {128, 128, 128},
+            {64, 64, 64}
+         };
+
+         GLubyte image[256*256*4];
+         int i, level;
+         w = h = 256;
+         for (level = 0; level <= 8; level++) {
+            for (i = 0; i < w * h; i++) {
+               image[i*4+0] = color[level][0];
+               image[i*4+1] = color[level][1];
+               image[i*4+2] = color[level][2];
+               image[i*4+3] = color[level][3];
+            }
+            printf("Load level %d: %d x %d\n", level, w>>level, h>>level);
+            glTexImage2D(GL_TEXTURE_2D, level, GL_RGBA, w>>level, h>>level, 0,
+                         GL_RGBA, GL_UNSIGNED_BYTE, image);
+         }
+      }
+#else
       if (!LoadRGBMipmaps2(files[i], GL_TEXTURE_2D, GL_RGB, &w, &h)) {
          printf("Error: couldn't load %s\n", files[i]);
          exit(1);
       }
+#endif
       TexAspect[i] = (float) w / (float) h;
       printf("Loaded %s\n", files[i]);
    }
@@ -277,7 +347,7 @@ Usage(void)
    printf("Keys:\n");
    printf("  a - toggle animation\n");
    printf("  b - toggle blending\n");
-   printf("  m - toggle mipmapping\n");
+   printf("  f - change texture filter mode\n");
    printf("  r - randomize\n");
    printf("  ESC - exit\n");
 }
@@ -288,7 +358,7 @@ main(int argc, char *argv[])
 {
    glutInit(&argc, argv);
    glutInitWindowPosition(0, 0);
-   glutInitWindowSize(400, 400);
+   glutInitWindowSize(700, 700);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
    Win = glutCreateWindow(argv[0]);
    glutReshapeFunc(Reshape);
diff --git a/progs/trivial/Makefile b/progs/trivial/Makefile
index a4077bd016..3f26798ca6 100644
--- a/progs/trivial/Makefile
+++ b/progs/trivial/Makefile
@@ -97,6 +97,7 @@ SOURCES = \
 	tri-query.c \
 	tri-scissor-tri.c \
 	tri-stencil.c \
+	tri-tex.c \
 	tri-tex-3d.c \
 	tri-tri.c \
 	tri-unfilled-edgeflag.c \
@@ -126,8 +127,11 @@ SOURCES = \
 	vp-line-clip.c \
 	vp-tri.c \
 	vp-tri-swap.c \
+	vp-tri-tex.c \
 	vp-tri-imm.c \
 	vp-tri-cb.c \
+	vp-tri-cb-pos.c \
+	vp-tri-cb-tex.c \
 	vp-unfilled.c 
 
 PROGS = $(SOURCES:%.c=%)
diff --git a/progs/trivial/tri-tex.c b/progs/trivial/tri-tex.c
new file mode 100644
index 0000000000..a0d75b4a33
--- /dev/null
+++ b/progs/trivial/tri-tex.c
@@ -0,0 +1,168 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   fprintf(stderr, "GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
+   fprintf(stderr, "GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
+   fprintf(stderr, "GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
+
+    glClearColor(0.0, 0.0, 1.0, 0.0);
+
+
+#define SIZE 32
+   {
+      GLubyte tex2d[SIZE][SIZE][3];
+      GLint s, t;
+
+      for (s = 0; s < SIZE; s++) {
+	 for (t = 0; t < SIZE; t++) {
+#if 0
+	    tex2d[t][s][0] = (s < SIZE/2) ? 0 : 255;
+	    tex2d[t][s][1] = (t < SIZE/2) ? 0 : 255;
+	    tex2d[t][s][2] = 0;
+#else
+	    tex2d[t][s][0] = s*255/(SIZE-1);
+	    tex2d[t][s][1] = t*255/(SIZE-1);
+	    tex2d[t][s][2] = 0;
+#endif
+	 }
+      }
+
+      glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+      glTexImage2D(GL_TEXTURE_2D, 0, 3, SIZE, SIZE, 0,
+                   GL_RGB, GL_UNSIGNED_BYTE, tex2d);
+
+      glEnable(GL_TEXTURE_2D);
+      glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_REPEAT);
+      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+      glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
+   }
+
+}
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+/*     glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0); */
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glBegin(GL_TRIANGLES);
+   glTexCoord2f(1,-1); 
+   glVertex3f( 0.9, -0.9, -0.0);
+   glTexCoord2f(1,1); 
+   glVertex3f( 0.9,  0.9, -0.0);
+   glTexCoord2f(-1,0); 
+   glVertex3f(-0.9,  0.0, -0.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB | GLUT_ALPHA;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/tri.c b/progs/trivial/tri.c
index aa45adb6c2..d3c6b59ea5 100644
--- a/progs/trivial/tri.c
+++ b/progs/trivial/tri.c
@@ -57,16 +57,13 @@ static void Reshape(int width, int height)
 
 static void Key(unsigned char key, int x, int y)
 {
-
-    switch (key) {
-      case 27:
-         glutDestroyWindow(win);
-	exit(0);
-      default:
-	return;
-    }
-
-    glutPostRedisplay();
+   switch (key) {
+   case 27:
+      exit(0);
+   default:
+      glutPostRedisplay();
+      return;
+   }
 }
 
 static void Draw(void)
diff --git a/progs/trivial/vp-tri-cb-pos.c b/progs/trivial/vp-tri-cb-pos.c
new file mode 100644
index 0000000000..eb3aa0a8dc
--- /dev/null
+++ b/progs/trivial/vp-tri-cb-pos.c
@@ -0,0 +1,156 @@
+/* Test glGenProgramsNV(), glIsProgramNV(), glLoadProgramNV() */
+
+#include <stdio.h>
+#include <assert.h>
+#include <string.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   GLint errno;
+   GLuint prognum;
+   
+   static const char *prog1 =
+      "!!ARBvp1.0\n"
+      "PARAM Emission = state.material.emission; \n"
+      "PARAM Ambient = state.material.ambient; \n"
+      "PARAM Diffuse = state.material.diffuse; \n"
+      "PARAM Specular = state.material.specular; \n"
+      "DP4  result.position.x, Ambient, vertex.position;\n"
+      "DP4  result.position.y, Diffuse, vertex.position;\n"
+      "DP4  result.position.z, Specular, vertex.position;\n"
+      "DP4  result.position.w, Emission, vertex.position;\n"
+      "MOV  result.color, vertex.color;\n"
+      "END\n";
+
+   const float Ambient[4] = { 0.0, 1.0, 0.0, 0.0 };
+   const float Diffuse[4] = { 1.0, 0.0, 0.0, 0.0 };
+   const float Specular[4] = { 0.0, 0.0, 1.0, 0.0 };
+   const float Emission[4] = { 0.0, 0.0, 0.0, 1.0 };
+   glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, Ambient);
+   glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, Diffuse);
+   glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, Specular);
+   glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, Emission);
+
+
+   glGenProgramsARB(1, &prognum);
+
+   glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
+   glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+		      strlen(prog1), (const GLubyte *) prog1);
+
+   assert(glIsProgramARB(prognum));
+   errno = glGetError();
+   printf("glGetError = %d\n", errno);
+   if (errno != GL_NO_ERROR)
+   {
+      GLint errorpos;
+
+      glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
+      printf("errorpos: %d\n", errorpos);
+      printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+   }
+
+   glEnable(GL_VERTEX_PROGRAM_NV);
+
+}
+
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+/*     glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0); */
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glBegin(GL_TRIANGLES);
+   glColor3f(0,0,.7); 
+   glVertex3f( 0.9, -0.9, -0.0);
+   glColor3f(.8,0,0); 
+   glVertex3f( 0.9,  0.9, -0.0);
+   glColor3f(0,.9,0); 
+   glVertex3f(-0.9,  0.0, -0.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB | GLUT_ALPHA;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/vp-tri-cb-tex.c b/progs/trivial/vp-tri-cb-tex.c
new file mode 100644
index 0000000000..1e99d5b6ab
--- /dev/null
+++ b/progs/trivial/vp-tri-cb-tex.c
@@ -0,0 +1,189 @@
+/* Test glGenProgramsNV(), glIsProgramNV(), glLoadProgramNV() */
+
+#include <stdio.h>
+#include <assert.h>
+#include <string.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+   GLint errno;
+   GLuint prognum;
+   
+   static const char *prog1 =
+      "!!ARBvp1.0\n"
+      "PARAM Emission = state.material.emission; \n"
+      "PARAM Ambient = state.material.ambient; \n"
+      "PARAM Diffuse = state.material.diffuse; \n"
+      "PARAM Specular = state.material.specular; \n"
+      "DP4  result.position.x, Ambient, vertex.position;\n"
+      "DP4  result.position.y, Diffuse, vertex.position;\n"
+      "DP4  result.position.z, Specular, vertex.position;\n"
+      "DP4  result.position.w, Emission, vertex.position;\n"
+      "MOV  result.texcoord[0], vertex.texcoord[0];\n"
+      "END\n";
+
+   const float Ambient[4] = { 0.0, 1.0, 0.0, 0.0 };
+   const float Diffuse[4] = { 1.0, 0.0, 0.0, 0.0 };
+   const float Specular[4] = { 0.0, 0.0, 1.0, 0.0 };
+   const float Emission[4] = { 0.0, 0.0, 0.0, 1.0 };
+   glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, Ambient);
+   glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, Diffuse);
+   glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, Specular);
+   glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, Emission);
+
+
+   glGenProgramsARB(1, &prognum);
+
+   glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
+   glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+		      strlen(prog1), (const GLubyte *) prog1);
+
+   assert(glIsProgramARB(prognum));
+   errno = glGetError();
+   printf("glGetError = %d\n", errno);
+   if (errno != GL_NO_ERROR)
+   {
+      GLint errorpos;
+
+      glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
+      printf("errorpos: %d\n", errorpos);
+      printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+   }
+
+   glEnable(GL_VERTEX_PROGRAM_NV);
+
+#define SIZE 32
+   {
+      GLubyte tex2d[SIZE][SIZE][3];
+      GLint s, t;
+
+      for (s = 0; s < SIZE; s++) {
+	 for (t = 0; t < SIZE; t++) {
+#if 0
+	    tex2d[t][s][0] = (s < SIZE/2) ? 0 : 255;
+	    tex2d[t][s][1] = (t < SIZE/2) ? 0 : 255;
+	    tex2d[t][s][2] = 0;
+#else
+	    tex2d[t][s][0] = s*255/(SIZE-1);
+	    tex2d[t][s][1] = t*255/(SIZE-1);
+	    tex2d[t][s][2] = 0;
+#endif
+	 }
+      }
+
+      glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+      glTexImage2D(GL_TEXTURE_2D, 0, 3, SIZE, SIZE, 0,
+                   GL_RGB, GL_UNSIGNED_BYTE, tex2d);
+
+      glEnable(GL_TEXTURE_2D);
+      glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_REPEAT);
+      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+      glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
+   }
+
+}
+
+
+static void Reshape(int width, int height)
+{
+
+    glViewport(0, 0, (GLint)width, (GLint)height);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+/*     glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0); */
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+	exit(1);
+      default:
+	return;
+    }
+
+    glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT); 
+
+   glBegin(GL_TRIANGLES);
+   glTexCoord2f(1,-1); 
+   glVertex3f( 0.9, -0.9, -0.0);
+   glTexCoord2f(1,1); 
+   glVertex3f( 0.9,  0.9, -0.0);
+   glTexCoord2f(-1,0); 
+   glVertex3f(-0.9,  0.0, -0.0);
+   glEnd();
+
+   glFlush();
+
+   if (doubleBuffer) {
+      glutSwapBuffers();
+   }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+        if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    fprintf(stderr, "%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    GLenum type;
+
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+    type = GLUT_RGB | GLUT_ALPHA;
+    type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(type);
+
+    if (glutCreateWindow("First Tri") == GL_FALSE) {
+	exit(1);
+    }
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
diff --git a/progs/trivial/vp-tri-tex.c b/progs/trivial/vp-tri-tex.c
new file mode 100644
index 0000000000..83ec1ef2e2
--- /dev/null
+++ b/progs/trivial/vp-tri-tex.c
@@ -0,0 +1,137 @@
+/* Test glGenProgramsNV(), glIsProgramNV(), glLoadProgramNV() */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#define GL_GLEXT_PROTOTYPES
+#include <GL/glut.h>
+
+static void Init( void )
+{
+   GLint errno;
+   GLuint prognum;
+   
+   static const char *prog1 =
+      "!!ARBvp1.0\n"
+      "MOV  result.texcoord[0], vertex.texcoord[0];\n"
+      "MOV  result.position, vertex.position;\n"
+      "END\n";
+
+
+   glGenProgramsARB(1, &prognum);
+
+   glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
+   glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+		      strlen(prog1), (const GLubyte *) prog1);
+
+   assert(glIsProgramARB(prognum));
+   errno = glGetError();
+   printf("glGetError = %d\n", errno);
+   if (errno != GL_NO_ERROR)
+   {
+      GLint errorpos;
+
+      glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
+      printf("errorpos: %d\n", errorpos);
+      printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+   }
+
+#define SIZE 32
+   {
+      GLubyte tex2d[SIZE][SIZE][3];
+      GLint s, t;
+
+      for (s = 0; s < SIZE; s++) {
+	 for (t = 0; t < SIZE; t++) {
+#if 0
+	    tex2d[t][s][0] = (s < SIZE/2) ? 0 : 255;
+	    tex2d[t][s][1] = (t < SIZE/2) ? 0 : 255;
+	    tex2d[t][s][2] = 0;
+#else
+	    tex2d[t][s][0] = s*255/(SIZE-1);
+	    tex2d[t][s][1] = t*255/(SIZE-1);
+	    tex2d[t][s][2] = 0;
+#endif
+	 }
+      }
+
+      glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+      glTexImage2D(GL_TEXTURE_2D, 0, 3, SIZE, SIZE, 0,
+                   GL_RGB, GL_UNSIGNED_BYTE, tex2d);
+
+      glEnable(GL_TEXTURE_2D);
+      glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_REPEAT);
+      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+      glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+      glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
+   }
+
+}
+
+static void Display( void )
+{
+   glClearColor(0.3, 0.3, 0.3, 1);
+   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+   glEnable(GL_VERTEX_PROGRAM_NV);
+
+   glBegin(GL_TRIANGLES);
+   glTexCoord2f(1,-1); 
+   glVertex3f( 0.9, -0.9, -0.0);
+   glTexCoord2f(1,1); 
+   glVertex3f( 0.9,  0.9, -0.0);
+   glTexCoord2f(-1,0); 
+   glVertex3f(-0.9,  0.0, -0.0);
+   glEnd();
+
+
+   glFlush(); 
+}
+
+
+static void Reshape( int width, int height )
+{
+   glViewport( 0, 0, width, height );
+   glMatrixMode( GL_PROJECTION );
+   glLoadIdentity();
+   glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+   glMatrixMode( GL_MODELVIEW );
+   glLoadIdentity();
+   /*glTranslatef( 0.0, 0.0, -15.0 );*/
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+
+
+int main( int argc, char *argv[] )
+{
+   glutInit( &argc, argv );
+   glutInitWindowPosition( 0, 0 );
+   glutInitWindowSize( 250, 250 );
+   glutInitDisplayMode( GLUT_DEPTH | GLUT_RGB | GLUT_SINGLE );
+   glutCreateWindow(argv[0]);
+   glutReshapeFunc( Reshape );
+   glutKeyboardFunc( Key );
+   glutDisplayFunc( Display );
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/vp/vp-tris.c b/progs/vp/vp-tris.c
index 3fe35f7e3e..58014dd48d 100644
--- a/progs/vp/vp-tris.c
+++ b/progs/vp/vp-tris.c
@@ -155,6 +155,17 @@ static void Init( void )
       printf("errorpos: %d\n", errorpos);
       printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
    }
+
+   {
+      const float Ambient[4] = { 0.0, 1.0, 0.0, 0.0 };
+      const float Diffuse[4] = { 1.0, 0.0, 0.0, 0.0 };
+      const float Specular[4] = { 0.0, 0.0, 1.0, 0.0 };
+      const float Emission[4] = { 0.0, 0.0, 0.0, 1.0 };
+      glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, Ambient);
+      glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, Diffuse);
+      glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, Specular);
+      glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, Emission);
+   }
 }
 
 
diff --git a/progs/vp/xform.txt b/progs/vp/xform.txt
new file mode 100644
index 0000000000..d1548f1f10
--- /dev/null
+++ b/progs/vp/xform.txt
@@ -0,0 +1,11 @@
+!!ARBvp1.0
+PARAM Emission = state.material.emission; 
+PARAM Ambient = state.material.ambient; 
+PARAM Diffuse = state.material.diffuse; 
+PARAM Specular = state.material.specular; 
+DP4  result.position.x, Ambient, vertex.position;
+DP4  result.position.y, Diffuse, vertex.position;
+DP4  result.position.z, Specular, vertex.position;
+DP4  result.position.w, Emission, vertex.position;
+MOV  result.color, vertex.color;
+END