Merge remote branch 'upstream/gallium-0.1' into nouveau-gallium-0.1

10 files changed, 375 insertions, 73 deletions

diff --git a/progs/demos/Makefile b/progs/demos/Makefile
index 43874ecdaa0..fe0e0fbd91b 100644
--- a/progs/demos/Makefile
+++ b/progs/demos/Makefile
@@ -74,7 +74,7 @@ PROGS = \
 
 # make executable from .c file:
 .c: $(LIB_DEP) readtex.o
-	$(CC) -I$(INCDIR) $(CFLAGS) $< readtex.o $(APP_LIB_DEPS) -o $@
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) $< readtex.o $(APP_LIB_DEPS) -o $@
 
 
 ##### TARGETS #####
@@ -90,7 +90,7 @@ readtex.h: $(TOP)/progs/util/readtex.h
 	cp $< .
 
 readtex.o: readtex.c readtex.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) readtex.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) readtex.c
 
 
 showbuffer.c: $(TOP)/progs/util/showbuffer.c
@@ -100,7 +100,7 @@ showbuffer.h: $(TOP)/progs/util/showbuffer.h
 	cp $< .
 
 showbuffer.o: showbuffer.c showbuffer.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) showbuffer.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) showbuffer.c
 
 
 trackball.c: $(TOP)/progs/util/trackball.c
@@ -110,7 +110,7 @@ trackball.h: $(TOP)/progs/util/trackball.h
 	cp $< .
 
 trackball.o: trackball.c trackball.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) trackball.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) trackball.c
 
 
 extfuncs.h:  $(TOP)/progs/util/extfuncs.h
@@ -118,38 +118,38 @@ extfuncs.h:  $(TOP)/progs/util/extfuncs.h
 
 
 reflect: reflect.o showbuffer.o readtex.o
-	$(CC) reflect.o showbuffer.o readtex.o $(APP_LIB_DEPS) $(ARCH_FLAGS) -o $@
+	$(APP_CC) reflect.o showbuffer.o readtex.o $(APP_LIB_DEPS) $(ARCH_FLAGS) -o $@
 
 reflect.o: reflect.c showbuffer.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) reflect.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) reflect.c
 
 
 shadowtex: shadowtex.o showbuffer.o
-	$(CC) shadowtex.o showbuffer.o $(APP_LIB_DEPS) $(ARCH_FLAGS) -o $@
+	$(APP_CC) shadowtex.o showbuffer.o $(APP_LIB_DEPS) $(ARCH_FLAGS) -o $@
 
 shadowtex.o: shadowtex.c showbuffer.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) shadowtex.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) shadowtex.c
 
 
 gloss: gloss.o trackball.o readtex.o
-	$(CC) gloss.o trackball.o readtex.o $(APP_LIB_DEPS) $(ARCH_FLAGS) -o $@
+	$(APP_CC) gloss.o trackball.o readtex.o $(APP_LIB_DEPS) $(ARCH_FLAGS) -o $@
 
 gloss.o: gloss.c trackball.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) gloss.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) gloss.c
 
 
 engine: engine.o trackball.o readtex.o
-	$(CC) engine.o trackball.o readtex.o $(APP_LIB_DEPS) $(ARCH_FLAGS) -o $@
+	$(APP_CC) engine.o trackball.o readtex.o $(APP_LIB_DEPS) $(ARCH_FLAGS) -o $@
 
 engine.o: engine.c trackball.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) engine.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) engine.c
 
 
 fslight: fslight.o
-	$(CC) fslight.o $(APP_LIB_DEPS) $(ARCH_FLAGS) -o $@
+	$(APP_CC) fslight.o $(APP_LIB_DEPS) $(ARCH_FLAGS) -o $@
 
 fslight.o: fslight.c extfuncs.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) fslight.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) fslight.c
 
 
 
diff --git a/progs/fp/Makefile b/progs/fp/Makefile
index bcff6997969..65b2cc118af 100644
--- a/progs/fp/Makefile
+++ b/progs/fp/Makefile
@@ -40,13 +40,13 @@ UTIL_FILES = readtex.h readtex.c
 .SUFFIXES: .c
 
 .c:
-	$(CC) $(INCLUDES) $(CFLAGS) $< $(LIBS) -o $@
+	$(APP_CC) $(INCLUDES) $(CFLAGS) $< $(LIBS) -o $@
 
 .c.o:
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
 
 .S.o:
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES)  $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES)  $< -o $@
 
 
 ##### TARGETS #####
@@ -67,19 +67,19 @@ getproclist.h: $(TOP)/src/mesa/glapi/gl_API.xml getprocaddress.c getprocaddress.
 
 
 texrect: texrect.o readtex.o
-	$(CC) texrect.o readtex.o $(LIBS) -o $@
+	$(APP_CC) texrect.o readtex.o $(LIBS) -o $@
 
 texrect.o: texrect.c readtex.h
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
 
 invert: invert.o readtex.o
-	$(CC) invert.o readtex.o $(LIBS) -o $@
+	$(APP_CC) invert.o readtex.o $(LIBS) -o $@
 
 invert.o: invert.c readtex.h
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
 
 readtex.o: readtex.c
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
 
 
 readtex.h: $(TOP)/progs/util/readtex.h
diff --git a/progs/glsl/Makefile b/progs/glsl/Makefile
index b9cae668152..9c1d3f8126b 100644
--- a/progs/glsl/Makefile
+++ b/progs/glsl/Makefile
@@ -26,7 +26,7 @@ PROGS = \
 
 # make executable from .c file:
 .c: $(LIB_DEP)
-	$(CC) -I$(INCDIR) $(CFLAGS) $< $(APP_LIB_DEPS) -o $@
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) $< $(APP_LIB_DEPS) -o $@
 
 
 ##### TARGETS #####
@@ -47,7 +47,7 @@ readtex.h: $(TOP)/progs/util/readtex.h
 	cp $< .
 
 readtex.o: readtex.c readtex.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) readtex.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) readtex.c
 
 brick.c: extfuncs.h
 
@@ -58,16 +58,16 @@ mandelbrot.c: extfuncs.h
 toyball.c: extfuncs.h
 
 texdemo1: texdemo1.o readtex.o
-	$(CC) -I$(INCDIR) $(CFLAGS) texdemo1.o readtex.o $(APP_LIB_DEPS) -o $@
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) texdemo1.o readtex.o $(APP_LIB_DEPS) -o $@
 
 texdemo1.o: texdemo1.c readtex.h extfuncs.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) texdemo1.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) texdemo1.c
 
 convolutions: convolutions.o readtex.o
-	$(CC) -I$(INCDIR) $(CFLAGS) convolutions.o readtex.o $(APP_LIB_DEPS) -o $@
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) convolutions.o readtex.o $(APP_LIB_DEPS) -o $@
 
 convolutions.o: convolutions.c readtex.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) convolutions.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) convolutions.c
 
 
 clean:
diff --git a/progs/redbook/Makefile b/progs/redbook/Makefile
index febc74441b9..956c398873a 100644
--- a/progs/redbook/Makefile
+++ b/progs/redbook/Makefile
@@ -24,7 +24,7 @@ PROGS = aaindex aapoly aargb accanti accpersp alpha alpha3D anti \
 .SUFFIXES: .c
 
 .c: $(LIB_DEP)
-	$(CC) -I$(INCDIR) $(CFLAGS) $< $(APP_LIB_DEPS) -o $@
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) $< $(APP_LIB_DEPS) -o $@
 
 
 
diff --git a/progs/samples/Makefile b/progs/samples/Makefile
index 063008dccff..25ce14740a8 100644
--- a/progs/samples/Makefile
+++ b/progs/samples/Makefile
@@ -18,7 +18,7 @@ PROGS = accum bitmap1 bitmap2 blendeq blendxor copy cursor depth eval fog \
 .SUFFIXES: .c
 
 .c: $(LIB_DEP)
-	$(CC) -I$(INCDIR) $(CFLAGS) $< $(APP_LIB_DEPS) -o $@
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) $< $(APP_LIB_DEPS) -o $@
 
 
 ##### TARGETS #####
@@ -27,10 +27,10 @@ default: $(PROGS)
 
 
 sphere: sphere.o readtex.o
-	$(CC) -I$(INCDIR) $(CFLAGS) sphere.o readtex.o $(APP_LIB_DEPS) -o $@
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) sphere.o readtex.o $(APP_LIB_DEPS) -o $@
 
 sphere.o: sphere.c readtex.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) sphere.c
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) sphere.c
 
 readtex.c: $(TOP)/progs/util/readtex.c
 	cp $< .
@@ -39,7 +39,7 @@ readtex.h: $(TOP)/progs/util/readtex.h
 	cp $< . 
 
 readtex.o: readtex.c readtex.h
-	$(CC) -c -I$(INCDIR) $(CFLAGS) $< -o $@
+	$(APP_CC) -c -I$(INCDIR) $(CFLAGS) $< -o $@
 
 
 clean:
diff --git a/progs/tests/Makefile b/progs/tests/Makefile
index 7e8c0c8e34d..9c81f870d88 100644
--- a/progs/tests/Makefile
+++ b/progs/tests/Makefile
@@ -60,6 +60,7 @@ SOURCES = \
 	pbo.c \
 	prog_parameter.c \
 	projtex.c \
+	quads.c \
 	random.c \
 	readrate.c \
 	seccolor.c \
@@ -102,13 +103,13 @@ UTIL_FILES = readtex.h readtex.c
 .SUFFIXES: .c
 
 .c:
-	$(CC) $(INCLUDES) $(CFLAGS) $< $(LIBS) -o $@
+	$(APP_CC) $(INCLUDES) $(CFLAGS) $< $(LIBS) -o $@
 
 .c.o:
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
 
 .S.o:
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES)  $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES)  $< -o $@
 
 
 ##### TARGETS #####
@@ -128,58 +129,58 @@ getproclist.h: $(TOP)/src/mesa/glapi/gl_API.xml getprocaddress.c getprocaddress.
 	python getprocaddress.py > getproclist.h
 
 arraytexture: arraytexture.o readtex.o
-	$(CC) $(CFLAGS) arraytexture.o readtex.o $(LIBS) -o $@
+	$(APP_CC) $(CFLAGS) arraytexture.o readtex.o $(LIBS) -o $@
 
 arraytexture.o: arraytexture.c readtex.h
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
 
 afsmultiarb: afsmultiarb.o readtex.o
-	$(CC) $(CFLAGS) afsmultiarb.o readtex.o $(LIBS) -o $@
+	$(APP_CC) $(CFLAGS) afsmultiarb.o readtex.o $(LIBS) -o $@
 
 afsmultiarb.o: afsmultiarb.c readtex.h
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
 
 drawbuffers: drawbuffers.o
-	$(CC) $(CFLAGS) drawbuffers.o $(LIBS) -o $@
+	$(APP_CC) $(CFLAGS) drawbuffers.o $(LIBS) -o $@
 
 drawbuffers.o: drawbuffers.c extfuncs.h
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
 
 texrect: texrect.o readtex.o
-	$(CC) $(CFLAGS) texrect.o readtex.o $(LIBS) -o $@
+	$(APP_CC) $(CFLAGS) texrect.o readtex.o $(LIBS) -o $@
 
 texrect.o: texrect.c readtex.h
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
 
 bug_3195: bug_3195.o readtex.o
-	$(CC) $(CFLAGS) bug_3195.o readtex.o $(LIBS) -o $@
+	$(APP_CC) $(CFLAGS) bug_3195.o readtex.o $(LIBS) -o $@
 
 bug_3195.o: bug_3195.c readtex.h
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
 
 invert: invert.o readtex.o
-	$(CC) $(CFLAGS) invert.o readtex.o $(LIBS) -o $@
+	$(APP_CC) $(CFLAGS) invert.o readtex.o $(LIBS) -o $@
 
 invert.o: invert.c readtex.h
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
 
 mipmap_view: mipmap_view.o readtex.o
-	$(CC) $(CFLAGS) mipmap_view.o readtex.o $(LIBS) -o $@
+	$(APP_CC) $(CFLAGS) mipmap_view.o readtex.o $(LIBS) -o $@
 
 mipmap_view.o: mipmap_view.c readtex.h
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
 
 
 fillrate: fillrate.o readtex.o
-	$(CC) $(CFLAGS) fillrate.o readtex.o $(LIBS) -o $@
+	$(APP_CC) $(CFLAGS) fillrate.o readtex.o $(LIBS) -o $@
 
 fillrate.o: fillrate.c readtex.h
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
 
 
 
 readtex.o: readtex.c
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
 
 
 readtex.h: $(TOP)/progs/util/readtex.h
diff --git a/progs/tests/quads.c b/progs/tests/quads.c
new file mode 100644
index 00000000000..1bf57e6337d
--- /dev/null
+++ b/progs/tests/quads.c
@@ -0,0 +1,258 @@
+/**
+ * Draw colored quads.
+ */
+
+
+#define GL_GLEXT_PROTOTYPES
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glut.h>
+
+#define NUM_QUADS 20
+
+
+static int Win;
+static GLfloat Xrot = 40, Yrot = 0, Zrot = 0;
+static GLboolean Anim = GL_TRUE;
+static GLuint Vbuffer = 0;
+
+static GLfloat buf[NUM_QUADS * 6 * 4];
+
+static GLboolean SwapBuffers = GL_TRUE;
+
+static GLint Frames = 0, T0 = 0;
+
+
+static void
+Idle(void)
+{
+   Xrot += 3.0;
+   Yrot += 4.0;
+   Zrot += 2.0;
+   glutPostRedisplay();
+}
+
+
+static void
+Draw(void)
+{
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   glPushMatrix();
+   glRotatef(Xrot, 1, 0, 0);
+   glRotatef(Yrot, 0, 1, 0);
+   glRotatef(Zrot, 0, 0, 1);
+
+   glDrawArrays(GL_QUADS, 0, NUM_QUADS*4);
+
+   glPopMatrix();
+
+   if (SwapBuffers)
+      glutSwapBuffers();
+   /*
+   else
+      glFinish();
+   */
+
+   {
+      GLint t = glutGet(GLUT_ELAPSED_TIME);
+      Frames++;
+      if (t - T0 >= 5000) {
+         GLfloat seconds = (t - T0) / 1000.0;
+         GLfloat fps = Frames / seconds;
+         printf("%d frames in %6.3f seconds = %6.3f FPS\n",
+                Frames, seconds, fps);
+         T0 = t;
+         Frames = 0;
+      }
+   }
+}
+
+
+static void
+Reshape(int width, int height)
+{
+   glViewport(0, 0, width, height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 25.0);
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -8.0);
+}
+
+
+static void
+Key(unsigned char key, int x, int y)
+{
+   const GLfloat step = 3.0;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case 's':
+         SwapBuffers = !SwapBuffers;
+         break;
+      case 'a':
+         Anim = !Anim;
+         if (Anim)
+            glutIdleFunc(Idle);
+         else
+            glutIdleFunc(NULL);
+         break;
+      case 'z':
+         Zrot -= step;
+         break;
+      case 'Z':
+         Zrot += step;
+         break;
+      case 27:
+         glutDestroyWindow(Win);
+         exit(0);
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+SpecialKey(int key, int x, int y)
+{
+   const GLfloat step = 3.0;
+   (void) x;
+   (void) y;
+   switch (key) {
+      case GLUT_KEY_UP:
+         Xrot -= step;
+         break;
+      case GLUT_KEY_DOWN:
+         Xrot += step;
+         break;
+      case GLUT_KEY_LEFT:
+         Yrot -= step;
+         break;
+      case GLUT_KEY_RIGHT:
+         Yrot += step;
+         break;
+   }
+   glutPostRedisplay();
+}
+
+
+static void
+quad(float x, float y, float z, float *v)
+{
+   int k = 0;
+
+   /* color */
+   v[k++] = x * 0.5 + 0.5;
+   v[k++] = y * 0.5 + 0.5;
+   v[k++] = z * 0.5 + 0.5;
+   /* vert */
+   v[k++] = x;
+   v[k++] = y;
+   v[k++] = z;
+
+   /* color */
+   v[k++] = -x * 0.5 + 0.5;
+   v[k++] = -y * 0.5 + 0.5;
+   v[k++] = z * 0.5 + 0.5;
+   /* vert */
+   v[k++] = -x;
+   v[k++] = -y;
+   v[k++] = z;
+
+   /* color */
+   v[k++] = -x * 0.5 + 0.5;
+   v[k++] = -y * 0.5 + 0.5;
+   v[k++] = -z * 0.5 + 0.5;
+   /* vert */
+   v[k++] = -x;
+   v[k++] = -y;
+   v[k++] = -z;
+
+   /* color */
+   v[k++] = x * 0.5 + 0.5;
+   v[k++] = y * 0.5 + 0.5;
+   v[k++] = -z * 0.5 + 0.5;
+   /* vert */
+   v[k++] = x;
+   v[k++] = y;
+   v[k++] = -z;
+}
+
+static void
+gen_quads(GLfloat *buf)
+{
+   float *v = buf;
+   float r = 1.0;
+   int i;
+
+   for (i = 0; i < NUM_QUADS; i++) {
+      float angle = i / (float) NUM_QUADS * M_PI;
+      float x = r * cos(angle);
+      float y = r * sin(angle);
+      float z = 1.10;
+      quad(x, y, z, v);
+      v += 24;
+   }
+
+   if (0) {
+      float *p = buf;
+      for (i = 0; i < NUM_QUADS * 4 * 2; i++) {
+         printf("%d: %f %f %f\n", i, p[0], p[1], p[2]);
+         p += 3;
+      }
+   }
+}
+
+
+static void
+Init(void)
+{
+   int bytes = NUM_QUADS * 4 * 2 * 3 * sizeof(float);
+   GLfloat *f;
+
+#if 1
+   glGenBuffers(1, &Vbuffer);
+   glBindBuffer(GL_ARRAY_BUFFER, Vbuffer);
+   glBufferData(GL_ARRAY_BUFFER_ARB, bytes, NULL, GL_STATIC_DRAW_ARB);
+   f = (float *) glMapBuffer(GL_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB);
+   gen_quads(f);
+   glUnmapBuffer(GL_ARRAY_BUFFER_ARB);
+   glColorPointer(3, GL_FLOAT, 6*sizeof(float), (void *) 0);
+   glVertexPointer(3, GL_FLOAT, 6*sizeof(float), (void *) 12);
+#else
+   f = buf;
+   gen_quads(f);
+   glColorPointer(3, GL_FLOAT, 6*sizeof(float), buf);
+   glVertexPointer(3, GL_FLOAT, 6*sizeof(float), buf + 3);
+#endif
+
+   glEnableClientState(GL_COLOR_ARRAY);
+   glEnableClientState(GL_VERTEX_ARRAY);
+
+   glEnable(GL_DEPTH_TEST);
+
+   glClearColor(0.5, 0.5, 0.5, 0.0);
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   glutInit(&argc, argv);
+   glutInitWindowPosition(0, 0);
+   glutInitWindowSize(600, 600);
+   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
+   Win = glutCreateWindow(argv[0]);
+   glutReshapeFunc(Reshape);
+   glutKeyboardFunc(Key);
+   glutSpecialFunc(SpecialKey);
+   glutDisplayFunc(Draw);
+   if (Anim)
+      glutIdleFunc(Idle);
+   Init();
+   glutMainLoop();
+   return 0;
+}
diff --git a/progs/trivial/Makefile b/progs/trivial/Makefile
index d745fefbbf4..c868ab6e6ff 100644
--- a/progs/trivial/Makefile
+++ b/progs/trivial/Makefile
@@ -139,13 +139,13 @@ UTIL_FILES = readtex.h readtex.c
 .SUFFIXES: .c
 
 .c:
-	$(CC) $(INCLUDES) $(CFLAGS) $< $(LIBS) -o $@
+	$(APP_CC) $(INCLUDES) $(CFLAGS) $< $(LIBS) -o $@
 
 .c.o:
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
 
 .S.o:
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES)  $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES)  $< -o $@
 
 
 ##### TARGETS #####
@@ -166,19 +166,19 @@ getproclist.h: $(TOP)/src/mesa/glapi/gl_API.xml getprocaddress.c getprocaddress.
 
 
 texrect: texrect.o readtex.o
-	$(CC) texrect.o readtex.o $(LIBS) -o $@
+	$(APP_CC) texrect.o readtex.o $(LIBS) -o $@
 
 texrect.o: texrect.c readtex.h
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
 
 invert: invert.o readtex.o
-	$(CC) invert.o readtex.o $(LIBS) -o $@
+	$(APP_CC) invert.o readtex.o $(LIBS) -o $@
 
 invert.o: invert.c readtex.h
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
 
 readtex.o: readtex.c
-	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
+	$(APP_CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
 
 
 readtex.h: $(TOP)/progs/util/readtex.h
diff --git a/progs/trivial/tri-z.c b/progs/trivial/tri-z.c
index ae25900a358..335d2b90e2b 100644
--- a/progs/trivial/tri-z.c
+++ b/progs/trivial/tri-z.c
@@ -37,9 +37,36 @@
 
 #include <GL/glut.h>
 #include <stdlib.h>
+#include <stdio.h>
 
 static int leftFirst = GL_TRUE;
 
+static struct { GLenum func; const char *str; } funcs[] = 
+   {
+      { GL_LESS, "GL_LESS" },
+      { GL_LEQUAL, "GL_LEQUAL" },
+      { GL_GREATER, "GL_GREATER" },
+      { GL_GEQUAL, "GL_GEQUAL" },
+      { GL_EQUAL, "GL_EQUAL" },
+      { GL_NOTEQUAL, "GL_NOTEQUAL" },
+      { GL_ALWAYS, "GL_ALWAYS" },
+      { GL_NEVER, "GL_NEVER" },
+   };
+
+#define NUM_FUNCS (sizeof(funcs) / sizeof(funcs[0]))
+
+static int curFunc = 0;
+static double clearVal = 1.0;
+
+
+static void usage(void)
+{
+   printf("t - toggle rendering order of triangles\n");
+   printf("c - toggle Z clear value between 0, 1\n");
+   printf("f - cycle through depth test functions\n");
+}
+
+
 static void init(void)
 {
    glEnable(GL_DEPTH_TEST);
@@ -70,6 +97,11 @@ static void drawRightTriangle(void)
 
 void display(void)
 {
+   printf("GL_CLEAR_DEPTH = %f  GL_DEPTH_FUNC = %s\n",
+          clearVal, funcs[curFunc].str);
+   glClearDepth(clearVal);
+   glDepthFunc(funcs[curFunc].func);
+
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
    if (leftFirst) {
@@ -99,6 +131,16 @@ void reshape(int w, int h)
 void keyboard(unsigned char key, int x, int y)
 {
    switch (key) {
+      case 'c':
+      case 'C':
+         clearVal = 1.0 - clearVal;
+         glutPostRedisplay();	
+         break;
+      case 'f':
+      case 'F':
+         curFunc = (curFunc + 1) % NUM_FUNCS;
+         glutPostRedisplay();	
+         break;
       case 't':
       case 'T':
          leftFirst = !leftFirst;
@@ -122,10 +164,11 @@ int main(int argc, char** argv)
    glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
    glutInitWindowSize (200, 200);
    glutCreateWindow (argv[0]);
-   init();
    glutReshapeFunc (reshape);
    glutKeyboardFunc (keyboard);
    glutDisplayFunc (display);
+   init();
+   usage();
    glutMainLoop();
    return 0;
 }
diff --git a/progs/xdemos/Makefile b/progs/xdemos/Makefile
index 896b1608780..38f3884d589 100644
--- a/progs/xdemos/Makefile
+++ b/progs/xdemos/Makefile
@@ -39,7 +39,7 @@ PROGS = glthreads \
 .SUFFIXES: .c
 
 .c: $(LIB_DEP)
-	$(CC) -I$(INCDIR) $(CFLAGS) $< $(APP_LIB_DEPS) -o $@
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) $< $(APP_LIB_DEPS) -o $@
 
 
 ##### TARGETS #####
@@ -54,32 +54,32 @@ clean:
 
 # special cases
 pbinfo: pbinfo.o pbutil.o
-	$(CC) -I$(INCDIR) $(CFLAGS) pbinfo.o pbutil.o $(APP_LIB_DEPS) -o $@
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) pbinfo.o pbutil.o $(APP_LIB_DEPS) -o $@
 
 pbdemo: pbdemo.o pbutil.o
-	$(CC) -I$(INCDIR) $(CFLAGS) pbdemo.o pbutil.o $(APP_LIB_DEPS) -o $@
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) pbdemo.o pbutil.o $(APP_LIB_DEPS) -o $@
 
 pbinfo.o: pbinfo.c pbutil.h
-	$(CC) -c -I. -I$(INCDIR) $(CFLAGS) pbinfo.c
+	$(APP_CC) -c -I. -I$(INCDIR) $(CFLAGS) pbinfo.c
 
 pbdemo.o: pbdemo.c pbutil.h
-	$(CC) -c -I. -I$(INCDIR) $(CFLAGS) pbdemo.c
+	$(APP_CC) -c -I. -I$(INCDIR) $(CFLAGS) pbdemo.c
 
 pbutil.o: pbutil.c pbutil.h
-	$(CC) -c -I. -I$(INCDIR) $(CFLAGS) pbutil.c
+	$(APP_CC) -c -I. -I$(INCDIR) $(CFLAGS) pbutil.c
 
 glxgears_fbconfig: glxgears_fbconfig.o pbutil.o
-	$(CC) -I$(INCDIR) $(CFLAGS) glxgears_fbconfig.o pbutil.o $(APP_LIB_DEPS) -o $@
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) glxgears_fbconfig.o pbutil.o $(APP_LIB_DEPS) -o $@
 
 glxgears_fbconfig.o: glxgears_fbconfig.c pbutil.h
-	$(CC) -I$(INCDIR) $(CFLAGS) -c -I. $(CFLAGS) glxgears_fbconfig.c
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) -c -I. $(CFLAGS) glxgears_fbconfig.c
 
 xrotfontdemo: xrotfontdemo.o xuserotfont.o
-	$(CC) -I$(INCDIR) $(CFLAGS) xrotfontdemo.o xuserotfont.o $(APP_LIB_DEPS) -o $@
+	$(APP_CC) -I$(INCDIR) $(CFLAGS) xrotfontdemo.o xuserotfont.o $(APP_LIB_DEPS) -o $@
 
 xuserotfont.o: xuserotfont.c xuserotfont.h
-	$(CC) -c -I. -I$(INCDIR) $(CFLAGS) xuserotfont.c
+	$(APP_CC) -c -I. -I$(INCDIR) $(CFLAGS) xuserotfont.c
 
 xrotfontdemo.o: xrotfontdemo.c xuserotfont.h
-	$(CC) -c -I. -I$(INCDIR) $(CFLAGS) xrotfontdemo.c
+	$(APP_CC) -c -I. -I$(INCDIR) $(CFLAGS) xrotfontdemo.c