Merge remote branch 'origin/master' into lp-binning

Conflicts:
	src/gallium/auxiliary/util/u_surface.c
	src/gallium/drivers/llvmpipe/Makefile
	src/gallium/drivers/llvmpipe/SConscript
	src/gallium/drivers/llvmpipe/lp_bld_arit.c
	src/gallium/drivers/llvmpipe/lp_bld_flow.c
	src/gallium/drivers/llvmpipe/lp_bld_interp.c
	src/gallium/drivers/llvmpipe/lp_clear.c
	src/gallium/drivers/llvmpipe/lp_context.c
	src/gallium/drivers/llvmpipe/lp_context.h
	src/gallium/drivers/llvmpipe/lp_draw_arrays.c
	src/gallium/drivers/llvmpipe/lp_jit.c
	src/gallium/drivers/llvmpipe/lp_jit.h
	src/gallium/drivers/llvmpipe/lp_prim_vbuf.c
	src/gallium/drivers/llvmpipe/lp_setup.c
	src/gallium/drivers/llvmpipe/lp_setup_point.c
	src/gallium/drivers/llvmpipe/lp_state.h
	src/gallium/drivers/llvmpipe/lp_state_blend.c
	src/gallium/drivers/llvmpipe/lp_state_derived.c
	src/gallium/drivers/llvmpipe/lp_state_fs.c
	src/gallium/drivers/llvmpipe/lp_state_sampler.c
	src/gallium/drivers/llvmpipe/lp_state_surface.c
	src/gallium/drivers/llvmpipe/lp_tex_cache.c
	src/gallium/drivers/llvmpipe/lp_tex_cache.h
	src/gallium/drivers/llvmpipe/lp_tex_sample.h
	src/gallium/drivers/llvmpipe/lp_tile_cache.c

46 files changed, 193 insertions, 202 deletions

diff --git a/progs/demos/SConscript b/progs/demos/SConscript
index f851870bcf..742dd66f36 100644
--- a/progs/demos/SConscript
+++ b/progs/demos/SConscript
@@ -1,84 +1,66 @@
 Import('*')
 
-if not env['GLUT']:
-    Return()
-
-env = env.Clone()
-
-env.Prepend(CPPPATH = [
-	'../util',
-])
-
-env.Prepend(LIBS = [
-	util,
-	'$GLUT_LIB'
-])
-
-if env['platform'] == 'windows':
-    env.Append(CPPDEFINES = ['NOMINMAX'])
-    env.Prepend(LIBS = ['winmm'])
-
 progs = [
-	'arbfplight',
-	'arbfslight',
-	'arbocclude',
-	'bounce',
-	'clearspd',
-	'copypix',
-	'cubemap',
-	'drawpix',
-	'engine',
-	'fbo_firecube',
-	'fire',
-	'fogcoord',
-	'fplight',
-	'fslight',
-	'gamma',
-	'gearbox',
-	'gears',
-	'geartrain',
-	'glinfo',
-	'gloss',
-	'gltestperf',
-	'ipers',
-	'isosurf',
-	'lodbias',
-	'morph3d',
-	'multiarb',
-	'paltex',
-	'pointblast',
-	'ray',
-	'readpix',
-	'reflect',
-	'renormal',
-	'shadowtex',
-	'singlebuffer',
-	'spectex',
-	'spriteblast',
-	'stex3d',
-	'teapot',
-	'terrain',
-	'tessdemo',
-	'texcyl',
-	'texenv',
-	'textures',
-	'trispd',
-	'tunnel',
-	'tunnel2',
-	'vao_demo',
-	'winpos',
-        'dinoshade',
-        'fbotexture',
-        'projtex',
+    'arbfplight',
+    'arbfslight',
+    'arbocclude',
+    'bounce',
+    'clearspd',
+    'copypix',
+    'cubemap',
+    'drawpix',
+    'engine',
+    'fbo_firecube',
+    'fire',
+    'fogcoord',
+    'fplight',
+    'fslight',
+    'gamma',
+    'gearbox',
+    'gears',
+    'geartrain',
+    'glinfo',
+    'gloss',
+    'gltestperf',
+    'ipers',
+    'isosurf',
+    'lodbias',
+    'morph3d',
+    'multiarb',
+    'paltex',
+    'pointblast',
+    'ray',
+    'readpix',
+    'reflect',
+    'renormal',
+    'shadowtex',
+    'singlebuffer',
+    'spectex',
+    'spriteblast',
+    'stex3d',
+    'teapot',
+    'terrain',
+    'tessdemo',
+    'texcyl',
+    'texenv',
+    'textures',
+    'trispd',
+    'tunnel',
+    'tunnel2',
+    'vao_demo',
+    'winpos',
+    'dinoshade',
+    'fbotexture',
+    'projtex',
 ]
 
 for prog in progs:
-    env.Program(
+    progs_env.Program(
         target = prog,
         source = prog + '.c',
     )
     
-env.Program(
+progs_env.Program(
     target = 'rain',
     source = [
         'rain.cxx',
diff --git a/progs/demos/arbfplight.c b/progs/demos/arbfplight.c
index 7b7a12bf88..861b3b7252 100644
--- a/progs/demos/arbfplight.c
+++ b/progs/demos/arbfplight.c
@@ -388,9 +388,8 @@ static void Init( void )
 
 int main( int argc, char *argv[] )
 {
-   glutInit( &argc, argv );
-   glutInitWindowPosition( 0, 0 );
    glutInitWindowSize( 200, 200 );
+   glutInit( &argc, argv );
    glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
    Win = glutCreateWindow(argv[0]);
    glutReshapeFunc( Reshape );
diff --git a/progs/demos/arbfslight.c b/progs/demos/arbfslight.c
index 275c85105e..a0ce7f3f5b 100644
--- a/progs/demos/arbfslight.c
+++ b/progs/demos/arbfslight.c
@@ -311,9 +311,8 @@ static void Init (void)
 
 int main (int argc, char *argv[])
 {
-	glutInit (&argc, argv);
-	glutInitWindowPosition ( 0, 0);
 	glutInitWindowSize (200, 200);
+	glutInit (&argc, argv);
 	glutInitDisplayMode (GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
 	glutCreateWindow (argv[0]);
 	glutReshapeFunc (Reshape);
diff --git a/progs/demos/arbocclude.c b/progs/demos/arbocclude.c
index 9188ad5a56..f669a1f26b 100644
--- a/progs/demos/arbocclude.c
+++ b/progs/demos/arbocclude.c
@@ -268,9 +268,8 @@ static void Init( void )
 
 int main( int argc, char *argv[] )
 {
-   glutInit( &argc, argv );
-   glutInitWindowPosition( 0, 0 );
    glutInitWindowSize( 400, 400 );
+   glutInit( &argc, argv );
    glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
    Win = glutCreateWindow(argv[0]);
    glewInit();
diff --git a/progs/demos/bounce.c b/progs/demos/bounce.c
index 436bc7d1fb..a9a291e0a6 100644
--- a/progs/demos/bounce.c
+++ b/progs/demos/bounce.c
@@ -192,10 +192,8 @@ visible(int vis)
 
 int main(int argc, char *argv[])
 {
-  glutInit(&argc, argv);
-  glutInitWindowPosition(0, 0);
   glutInitWindowSize(600, 450);
-
+  glutInit(&argc, argv);
 
   IndexMode = argc > 1 && strcmp(argv[1], "-ci") == 0;
   if (IndexMode)
diff --git a/progs/demos/clearspd.c b/progs/demos/clearspd.c
index 42953f6675..c40f118a64 100644
--- a/progs/demos/clearspd.c
+++ b/progs/demos/clearspd.c
@@ -187,9 +187,8 @@ int main( int argc, char *argv[] )
 
    Init( argc, argv );
 
-   glutInit( &argc, argv );
    glutInitWindowSize( (int) Width, (int) Height );
-   glutInitWindowPosition( 0, 0 );
+   glutInit( &argc, argv );
 
    mode = ColorMode | GLUT_DOUBLE;
    if (BufferMask & GL_STENCIL_BUFFER_BIT)
diff --git a/progs/demos/copypix.c b/progs/demos/copypix.c
index a13339ea62..98c835f44f 100644
--- a/progs/demos/copypix.c
+++ b/progs/demos/copypix.c
@@ -237,6 +237,9 @@ int main( int argc, char *argv[] )
    const char *filename = IMAGE_FILE;
    int i = 1;
 
+   glutInitWindowSize( WinWidth, WinHeight );
+   glutInit( &argc, argv );
+
    if (argc > i && strcmp(argv[i], "-ci")==0) {
       ciMode = GL_TRUE;
       i++;
@@ -245,10 +248,6 @@ int main( int argc, char *argv[] )
       filename = argv[i];
    }
 
-   glutInit( &argc, argv );
-   glutInitWindowPosition( 0, 0 );
-   glutInitWindowSize( WinWidth, WinHeight );
-
    if (ciMode)
       glutInitDisplayMode( GLUT_INDEX | GLUT_DOUBLE );
    else
diff --git a/progs/demos/cubemap.c b/progs/demos/cubemap.c
index 20332b1d96..3e79d6a558 100644
--- a/progs/demos/cubemap.c
+++ b/progs/demos/cubemap.c
@@ -613,9 +613,8 @@ static void parse_args(int argc, char *argv[])
 
 int main( int argc, char *argv[] )
 {
-   glutInit(&argc, argv);
-   glutInitWindowPosition(0, 0);
    glutInitWindowSize(600, 500);
+   glutInit(&argc, argv);
    glutInitDisplayMode( GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE );
    glutCreateWindow("Texture Cube Mapping");
    glewInit();
diff --git a/progs/demos/drawpix.c b/progs/demos/drawpix.c
index 5490bcc635..9bc7086e04 100644
--- a/progs/demos/drawpix.c
+++ b/progs/demos/drawpix.c
@@ -328,6 +328,9 @@ int main( int argc, char *argv[] )
    const char *filename = IMAGE_FILE;
    int i = 1;
 
+   glutInitWindowSize( 500, 400 );
+   glutInit( &argc, argv );
+
    if (argc > i && strcmp(argv[i], "-ci")==0) {
       ciMode = GL_TRUE;
       i++;
@@ -336,10 +339,6 @@ int main( int argc, char *argv[] )
       filename = argv[i];
    }
 
-   glutInit( &argc, argv );
-   glutInitWindowPosition( 0, 0 );
-   glutInitWindowSize( 500, 400 );
-
    if (ciMode)
       glutInitDisplayMode( GLUT_INDEX | GLUT_DOUBLE );
    else
diff --git a/progs/demos/engine.c b/progs/demos/engine.c
index 3cf311e778..c54e3b8fb8 100644
--- a/progs/demos/engine.c
+++ b/progs/demos/engine.c
@@ -1308,8 +1308,8 @@ Init(void)
 int
 main(int argc, char *argv[])
 {
-   glutInit(&argc, argv);
    glutInitWindowSize(WinWidth, WinHeight);
+   glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
    glutCreateWindow("OpenGL Engine Demo");
    glewInit();
diff --git a/progs/demos/fbo_firecube.c b/progs/demos/fbo_firecube.c
index 4e42924a09..17767a148f 100644
--- a/progs/demos/fbo_firecube.c
+++ b/progs/demos/fbo_firecube.c
@@ -938,7 +938,14 @@ reshape(int width, int height)
 static void 
 init_fbotexture()
 {
+   static const GLenum depthFormats[] = {
+      GL_DEPTH_COMPONENT,
+      GL_DEPTH_COMPONENT16,
+      GL_DEPTH_COMPONENT32
+   };
+   static int numDepthFormats = sizeof(depthFormats) / sizeof(depthFormats[0]);
    GLint i;
+   GLenum stat;
 
    /* gen framebuffer id, delete it, do some assertions, just for testing */
    glGenFramebuffersEXT(1, &MyFB);
@@ -969,18 +976,31 @@ init_fbotexture()
    /* make depth renderbuffer */
    glGenRenderbuffersEXT(1, &DepthRB);
    glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, DepthRB);
-   glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT16,
-			    TexWidth, TexHeight);
-   CheckError(__LINE__);
+   /* we may have to try several formats */
+   for (i = 0; i < numDepthFormats; i++) {
+      glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, depthFormats[i],
+                               TexWidth, TexHeight);
+      CheckError(__LINE__);
+
+      glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT,
+                                   GL_RENDERBUFFER_EXT, DepthRB);
+      CheckError(__LINE__);
+      stat = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
+      if (stat == GL_FRAMEBUFFER_COMPLETE_EXT) {
+         break;
+      }
+   }
+
+   if (stat != GL_FRAMEBUFFER_COMPLETE_EXT) {
+      fprintf(stderr, "Error: unable to get usable FBO combination!\n");
+      exit(1);
+   }
+
    glGetRenderbufferParameterivEXT(GL_RENDERBUFFER_EXT,
-				   GL_RENDERBUFFER_DEPTH_SIZE_EXT, &i);
+                                   GL_RENDERBUFFER_DEPTH_SIZE_EXT, &i);
    CheckError(__LINE__);
    printf("Depth renderbuffer size = %d bits\n", i);
 
-   /* attach DepthRB to MyFB */
-   glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT,
-				GL_RENDERBUFFER_EXT, DepthRB);
-   CheckError(__LINE__);
    glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
 
    /*
@@ -1031,11 +1051,11 @@ visible(int vis)
 int
 main(int argc, char *argv[])
 {
+   glutInitWindowSize(WinWidth, WinHeight);
    glutInit(&argc, argv);
 
    glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
 
-   glutInitWindowSize(WinWidth, WinHeight);
    Win = glutCreateWindow("fbo_firecube");
    glewInit();
    init(argc, argv);
diff --git a/progs/demos/fire.c b/progs/demos/fire.c
index dd70f6141d..3db45418fa 100644
--- a/progs/demos/fire.c
+++ b/progs/demos/fire.c
@@ -733,7 +733,6 @@ main(int ac, char **av)
       HEIGHT = atoi(av[3]);
    }
 
-   glutInitWindowPosition(0, 0);
    glutInitWindowSize(WIDTH, HEIGHT);
    glutInit(&ac, av);
 
diff --git a/progs/demos/fogcoord.c b/progs/demos/fogcoord.c
index 6f50993c98..336aa58075 100644
--- a/progs/demos/fogcoord.c
+++ b/progs/demos/fogcoord.c
@@ -15,8 +15,6 @@
 
 #define DEPTH 5.0f
 
-static PFNGLFOGCOORDPOINTEREXTPROC glFogCoordPointer_ext;
-
 static GLfloat camz;
 
 static GLint fogMode;
@@ -406,8 +404,8 @@ Init(void)
 int
 main( int argc, char *argv[] )
 {
-   glutInit( &argc, argv );
    glutInitWindowSize( 600, 600 );
+   glutInit( &argc, argv );
    glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
    glutCreateWindow(argv[0]);
    glewInit();
diff --git a/progs/demos/fplight.c b/progs/demos/fplight.c
index c297354103..f52a4f7868 100644
--- a/progs/demos/fplight.c
+++ b/progs/demos/fplight.c
@@ -268,9 +268,8 @@ static void Init( void )
 
 int main( int argc, char *argv[] )
 {
-   glutInit( &argc, argv );
-   glutInitWindowPosition( 0, 0 );
    glutInitWindowSize( 200, 200 );
+   glutInit( &argc, argv );
    glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
    Win = glutCreateWindow(argv[0]);
    glewInit();
diff --git a/progs/demos/fslight.c b/progs/demos/fslight.c
index f0d76a4a06..395b7caa2c 100644
--- a/progs/demos/fslight.c
+++ b/progs/demos/fslight.c
@@ -353,6 +353,7 @@ MakeSphere(void)
    glNewList(SphereList, GL_COMPILE);
    gluSphere(obj, 2.0f, 10, 5);
    glEndList();
+   gluDeleteQuadric(obj);
 }
 
 static void
@@ -599,9 +600,8 @@ ParseOptions(int argc, char *argv[])
 int
 main(int argc, char *argv[])
 {
-   glutInit(&argc, argv);
-   glutInitWindowPosition( 0, 0);
    glutInitWindowSize(200, 200);
+   glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
    win = glutCreateWindow(argv[0]);
    glutReshapeFunc(Reshape);
diff --git a/progs/demos/gamma.c b/progs/demos/gamma.c
index 9b2c3e1052..61c6d125fb 100644
--- a/progs/demos/gamma.c
+++ b/progs/demos/gamma.c
@@ -146,12 +146,9 @@ display(void)
 int
 main(int argc, char **argv)
 {
+  glutInitWindowSize(500, 400);
   glutInit(&argc, argv);
   glutInitDisplayMode(GLUT_RGB | GLUT_SINGLE);
-
-  glutInitWindowPosition(50, 50);
-  glutInitWindowSize(500, 400);
-
   glutCreateWindow("gamma test patterns");
   glutReshapeFunc(Reshape);
   glutDisplayFunc(display);
diff --git a/progs/demos/gearbox.c b/progs/demos/gearbox.c
index 2dcf32f92f..71d0281904 100644
--- a/progs/demos/gearbox.c
+++ b/progs/demos/gearbox.c
@@ -474,10 +474,10 @@ visible(int vis)
 int
 main(int argc, char *argv[])
 {
+   glutInitWindowSize(WinWidth, WinHeight);
    glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
 
-   glutInitWindowSize(WinWidth, WinHeight);
    Win = glutCreateWindow("gearbox");
    init(argc, argv);
 
diff --git a/progs/demos/gears.c b/progs/demos/gears.c
index 6016162d6f..31a5b79eab 100644
--- a/progs/demos/gears.c
+++ b/progs/demos/gears.c
@@ -385,11 +385,9 @@ visible(int vis)
 
 int main(int argc, char *argv[])
 {
+  glutInitWindowSize(300, 300);
   glutInit(&argc, argv);
   glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
-
-  glutInitWindowPosition(0, 0);
-  glutInitWindowSize(300, 300);
   win = glutCreateWindow("Gears");
   init(argc, argv);
 
diff --git a/progs/demos/geartrain.c b/progs/demos/geartrain.c
index 8fe405e807..00b6e78b72 100644
--- a/progs/demos/geartrain.c
+++ b/progs/demos/geartrain.c
@@ -25,6 +25,7 @@
  */
 
 
+#include <assert.h>
 #include <math.h>
 #include <stdlib.h>
 #include <GL/glut.h>
@@ -129,8 +130,10 @@ Clear_Buffers ()
 static void
 LoadTriplet (TDA A)
 {
+    int result;
     Clear_Buffers ();
-    fscanf (mainfile, "%s %s %s %s", Buf1, Buf2, Buf3, Buf4);
+    result = fscanf (mainfile, "%s %s %s %s", Buf1, Buf2, Buf3, Buf4);
+    assert(result != EOF);
     A[0] = atof (Buf2);
     A[1] = atof (Buf3);
     A[2] = atof (Buf4);
@@ -140,8 +143,10 @@ LoadTriplet (TDA A)
 static void
 LoadReal (float *a)
 {
+    int result;
     Clear_Buffers ();
-    fscanf (mainfile, "%s %s", Buf1, Buf2);
+    result = fscanf (mainfile, "%s %s", Buf1, Buf2);
+    assert(result != EOF);
     *a = atof (Buf2);
 }
 
@@ -149,8 +154,10 @@ LoadReal (float *a)
 static void
 LoadInteger (int *a)
 {
+    int result;
     Clear_Buffers ();
-    fscanf (mainfile, "%s %s", Buf1, Buf2);
+    result = fscanf (mainfile, "%s %s", Buf1, Buf2);
+    assert(result != EOF);
     *a = atoi (Buf2);
 }
 
@@ -158,8 +165,10 @@ LoadInteger (int *a)
 static void
 LoadText (char *a)
 {
+    int result;
     Clear_Buffers ();
-    fscanf (mainfile, "%s %s", Buf1, Buf2);
+    result = fscanf (mainfile, "%s %s", Buf1, Buf2);
+    assert(result != EOF);
     strcpy (a, Buf2);
 }
 
@@ -177,8 +186,10 @@ getdata (char filename[])
 
     do
     {
+	int result;
 	Clear_Buffers ();
-	fscanf (mainfile, "%s", Buf1);
+	result = fscanf (mainfile, "%s", Buf1);
+	(void) result;
 	if (ferror (mainfile))
 	{
 	    printf ("\nError opening file !\n");
@@ -1049,19 +1060,18 @@ main (int argc, char *argv[])
 {
     char *file;
 
-    if (argc < 2)
-       file = "geartrain.dat";
-    else
-       file = argv[1];
-
-    glutInit(&argc, argv); 
-    glutInitWindowPosition (0, 0);
     glutInitWindowSize(640,480);
+    glutInit(&argc, argv); 
     glutInitDisplayMode (GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE );
 
     if (glutCreateWindow ("Gear Train Simulation") == GL_FALSE)
       exit (1);
 
+    if (argc < 2)
+       file = "geartrain.dat";
+    else
+       file = argv[1];
+
     getdata (file);
     process ();
     init ();
diff --git a/progs/demos/gloss.c b/progs/demos/gloss.c
index d32e8f8c68..450861e577 100644
--- a/progs/demos/gloss.c
+++ b/progs/demos/gloss.c
@@ -441,8 +441,8 @@ static void Init( int argc, char *argv[] )
 
 int main( int argc, char *argv[] )
 {
-   glutInit( &argc, argv );
    glutInitWindowSize(WinWidth, WinHeight);
+   glutInit( &argc, argv );
    glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
    Win = glutCreateWindow(argv[0] );
    glewInit();
diff --git a/progs/demos/gltestperf.c b/progs/demos/gltestperf.c
index 2188b02419..3658a39598 100644
--- a/progs/demos/gltestperf.c
+++ b/progs/demos/gltestperf.c
@@ -569,10 +569,9 @@ main(int ac, char **av)
    if (ac == 2)
       frontbuffer = 0;
 
+   glutInitWindowSize(640, 480);
    glutInit(&ac, av);
    glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
-   glutInitWindowPosition(0, 0);
-   glutInitWindowSize(640, 480);
    glutCreateWindow("OpenGL/Mesa Performances");
    glutDisplayFunc(display);
    glutMainLoop();
diff --git a/progs/demos/ipers.c b/progs/demos/ipers.c
index 5d82b0dc92..265378b90a 100644
--- a/progs/demos/ipers.c
+++ b/progs/demos/ipers.c
@@ -133,6 +133,8 @@ initdlists(void)
 
       glEndList();
    }
+
+   gluDeleteQuadric(obj);
 }
 
 static void
@@ -680,7 +682,6 @@ main(int ac, char **av)
    fprintf(stderr,
 	   "IperS V1.0\nWritten by David Bucciarelli (tech.hmw@plus.it)\n");
 
-   glutInitWindowPosition(0, 0);
    glutInitWindowSize(WIDTH, HEIGHT);
    glutInit(&ac, av);
 
diff --git a/progs/demos/isosurf.c b/progs/demos/isosurf.c
index 2e9dff1726..dbe4d8d172 100644
--- a/progs/demos/isosurf.c
+++ b/progs/demos/isosurf.c
@@ -132,9 +132,11 @@ static void read_surface( char *filename )
 
    numverts = 0;
    while (!feof(f) && numverts<maxverts) {
-      fscanf( f, "%f %f %f  %f %f %f",
-	      &data[numverts][0], &data[numverts][1], &data[numverts][2],
-	      &data[numverts][3], &data[numverts][4], &data[numverts][5] );
+      int result;
+      result = fscanf( f, "%f %f %f  %f %f %f",
+	               &data[numverts][0], &data[numverts][1], &data[numverts][2],
+	               &data[numverts][3], &data[numverts][4], &data[numverts][5] );
+      (void) result;
       numverts++;
    }
    numverts--;
@@ -1061,9 +1063,8 @@ int main(int argc, char **argv)
 
    read_surface( "isosurf.dat" );
 
-   glutInit( &argc, argv);
-   glutInitWindowPosition(0, 0);
    glutInitWindowSize(400, 400);
+   glutInit( &argc, argv);
 
    type = GLUT_DEPTH;
    type |= GLUT_RGB;
diff --git a/progs/demos/lodbias.c b/progs/demos/lodbias.c
index 8d39bd605a..23488b1616 100644
--- a/progs/demos/lodbias.c
+++ b/progs/demos/lodbias.c
@@ -282,9 +282,8 @@ static void Init( void )
 
 int main( int argc, char *argv[] )
 {
-   glutInit( &argc, argv );
-   glutInitWindowPosition( 0, 0 );
    glutInitWindowSize( 350, 350 );
+   glutInit( &argc, argv );
    glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
    win = glutCreateWindow(argv[0]);
    glutReshapeFunc( Reshape );
diff --git a/progs/demos/morph3d.c b/progs/demos/morph3d.c
index 6aca8270ff..0f8ac426f3 100644
--- a/progs/demos/morph3d.c
+++ b/progs/demos/morph3d.c
@@ -841,9 +841,8 @@ int main(int argc, char **argv)
 
   object=1;
 
-  glutInit(&argc, argv);
-  glutInitWindowPosition(0,0);
   glutInitWindowSize(640,480);
+  glutInit(&argc, argv);
 
   glutInitDisplayMode( GLUT_DEPTH | GLUT_DOUBLE | GLUT_RGB );
 
@@ -887,5 +886,6 @@ int main(int argc, char **argv)
   glutIdleFunc( idle_ );
   glutDisplayFunc( draw );
   glutMainLoop();
-  
+
+  return 0;
 }
diff --git a/progs/demos/multiarb.c b/progs/demos/multiarb.c
index 85c4e3a266..82796a0c3f 100644
--- a/progs/demos/multiarb.c
+++ b/progs/demos/multiarb.c
@@ -27,6 +27,8 @@
 #define ANIMATE 10
 #define QUIT 100
 
+static GLint T0 = 0;
+static GLint Frames = 0;
 static GLboolean Animate = GL_TRUE;
 static GLint NumUnits = 1;
 static GLboolean TexEnabled[8];
@@ -105,6 +107,20 @@ static void Display( void )
    glPopMatrix();
 
    glutSwapBuffers();
+
+   Frames++;
+
+   {
+      GLint t = glutGet(GLUT_ELAPSED_TIME);
+      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);
+	 fflush(stdout);
+	 T0 = t;
+	 Frames = 0;
+      }
+   }
 }
 
 
@@ -322,9 +338,8 @@ int main( int argc, char *argv[] )
 {
    GLint i;
 
-   glutInit( &argc, argv );
    glutInitWindowSize( 300, 300 );
-   glutInitWindowPosition( 0, 0 );
+   glutInit( &argc, argv );
    glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
    glutCreateWindow(argv[0] );
    glewInit();
diff --git a/progs/demos/paltex.c b/progs/demos/paltex.c
index d0cbcfb5e9..5d4b8662b5 100644
--- a/progs/demos/paltex.c
+++ b/progs/demos/paltex.c
@@ -248,12 +248,9 @@ static void Init2( void )
 
 int main( int argc, char *argv[] )
 {
-   glutInit( &argc, argv );
-   glutInitWindowPosition( 0, 0 );
    glutInitWindowSize( 400, 300 );
-
+   glutInit( &argc, argv );
    glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
-
    glutCreateWindow(argv[0]);
    glewInit();
 
diff --git a/progs/demos/pointblast.c b/progs/demos/pointblast.c
index 2d70b72589..b4d0a67f99 100644
--- a/progs/demos/pointblast.c
+++ b/progs/demos/pointblast.c
@@ -427,10 +427,10 @@ int
 main(int argc, char **argv)
 {
   int i;
+
+  glutInitWindowSize(300, 300);
   glutInit(&argc, argv);
   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH | GLUT_MULTISAMPLE);
-  glutInitWindowPosition(0, 0);
-  glutInitWindowSize(300, 300);
 
   for (i=1; i<argc; i++) {
     if(!strcmp("-noms", argv[i])) {
diff --git a/progs/demos/projtex.c b/progs/demos/projtex.c
index 99154d7bdc..d162568b9f 100644
--- a/progs/demos/projtex.c
+++ b/progs/demos/projtex.c
@@ -245,6 +245,10 @@ loadImageTextures(void)
        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
      }
      glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_BORDER_COLOR, borderColor);
+
+     free(texData3);
+     free(texData4);
+     free(image);
   }
 }
 
@@ -994,18 +998,17 @@ menu(int selection)
 int
 main(int argc, char **argv)
 {
+  glutInitWindowSize(500,500);
   glutInit(&argc, argv);
+  glutInitDisplayMode(GLUT_RGBA | GLUT_DEPTH | GLUT_DOUBLE);
+  (void) glutCreateWindow("projtex");
+  glewInit();
 
   if (argc > 1) {
      NumTextures = atoi(argv[1]);
   }
   assert(NumTextures <= MAX_TEX);
 
-  glutInitDisplayMode(GLUT_RGBA | GLUT_DEPTH | GLUT_DOUBLE);
-  glutInitWindowSize(500,500);
-  (void) glutCreateWindow("projtex");
-  glewInit();
-
   loadTexture = loadImageTextures;
   drawObject = drawCube;
   initialize();
diff --git a/progs/demos/ray.c b/progs/demos/ray.c
index c2d8e4f545..9cc464d239 100644
--- a/progs/demos/ray.c
+++ b/progs/demos/ray.c
@@ -834,6 +834,8 @@ initdlists(void)
    gluQuadricTexture(obj, GL_TRUE);
    gluSphere(obj, SPHERE_RADIUS, 16, 16);
    glEndList();
+
+   gluDeleteQuadric(obj);
 }
 
 int
@@ -854,7 +856,6 @@ main(int ac, char **av)
       }
     */
 
-   glutInitWindowPosition(0, 0);
    glutInitWindowSize(WIDTH, HEIGHT);
    glutInit(&ac, av);
 
diff --git a/progs/demos/readpix.c b/progs/demos/readpix.c
index bbb3a68eff..cc4e490269 100644
--- a/progs/demos/readpix.c
+++ b/progs/demos/readpix.c
@@ -219,7 +219,7 @@ Display( void )
       GLint reads = 0;
       GLint endTime;
       GLint startTime = glutGet(GLUT_ELAPSED_TIME);
-      GLdouble seconds, pixelsPerSecond;
+      GLdouble seconds, mpixels, mpixelsPerSecond;
       printf("Benchmarking...\n");
       do {
          glReadPixels(APosX, APosY, ImgWidth, ImgHeight,
@@ -228,9 +228,10 @@ Display( void )
          endTime = glutGet(GLUT_ELAPSED_TIME);
       } while (endTime - startTime < 4000);   /* 4 seconds */
       seconds = (double) (endTime - startTime) / 1000.0;
-      pixelsPerSecond = reads * ImgWidth * ImgHeight / seconds;
-      printf("Result:  %d reads in %f seconds = %f pixels/sec\n",
-             reads, seconds, pixelsPerSecond);
+      mpixels = reads * (ImgWidth * ImgHeight / (1000.0 * 1000.0));
+      mpixelsPerSecond = mpixels / seconds;
+      printf("Result:  %d reads in %f seconds = %f Mpixels/sec\n",
+             reads, seconds, mpixelsPerSecond);
       Benchmark = GL_FALSE;
    }
    else {
@@ -382,12 +383,11 @@ int
 main( int argc, char *argv[] )
 {
    GLboolean ciMode = GL_FALSE;
+   glutInitWindowSize( 750, 250 );
+   glutInit( &argc, argv );
    if (argc > 1 && strcmp(argv[1], "-ci")==0) {
       ciMode = GL_TRUE;
    }
-   glutInit( &argc, argv );
-   glutInitWindowPosition( 0, 0 );
-   glutInitWindowSize( 750, 250 );
    if (ciMode)
       glutInitDisplayMode( GLUT_INDEX | GLUT_DOUBLE );
    else
diff --git a/progs/demos/renormal.c b/progs/demos/renormal.c
index 9e5da95484..61dd860ddb 100644
--- a/progs/demos/renormal.c
+++ b/progs/demos/renormal.c
@@ -112,12 +112,9 @@ key(unsigned char k, int x, int y)
 
 int main( int argc, char *argv[] )
 {
-   glutInit( &argc, argv );
-   glutInitWindowPosition(0, 0);
    glutInitWindowSize( 400, 400 );
-
+   glutInit( &argc, argv );
    glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
-
    glutCreateWindow(argv[0]);
 
    Init();
diff --git a/progs/demos/shadowtex.c b/progs/demos/shadowtex.c
index dc5a4bbc48..036f73d40b 100644
--- a/progs/demos/shadowtex.c
+++ b/progs/demos/shadowtex.c
@@ -1022,9 +1022,8 @@ PrintHelp(void)
 int
 main(int argc, char *argv[])
 {
-   glutInit(&argc, argv);
-   glutInitWindowPosition(0, 0);
    glutInitWindowSize(WindowWidth, WindowHeight);
+   glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH | GLUT_STENCIL);
    glutCreateWindow(argv[0]);
    glewInit();
diff --git a/progs/demos/spectex.c b/progs/demos/spectex.c
index 6ab1191579..c1dada9d63 100644
--- a/progs/demos/spectex.c
+++ b/progs/demos/spectex.c
@@ -239,13 +239,9 @@ static void ModeMenu(int entry)
 
 int main( int argc, char *argv[] )
 {
-
-   glutInit( &argc, argv );
-   glutInitWindowPosition( 0, 0 );
    glutInitWindowSize( 300, 300 );
-
+   glutInit( &argc, argv );
    glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
-
    glutCreateWindow( "spectex" );
 
    Init();
diff --git a/progs/demos/spriteblast.c b/progs/demos/spriteblast.c
index d73b680b79..36e226e1d0 100644
--- a/progs/demos/spriteblast.c
+++ b/progs/demos/spriteblast.c
@@ -493,6 +493,8 @@ int
 main(int argc, char **argv)
 {
   int i;
+
+  glutInitWindowSize(600,300);
   glutInit(&argc, argv);
   glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH | GLUT_MULTISAMPLE);
 
@@ -506,8 +508,6 @@ main(int argc, char **argv)
       linearFiltering = 0;
     }
   }
-  glutInitWindowPosition(0, 0);
-  glutInitWindowSize(600,300);
   glutCreateWindow("sprite blast");
   glewInit();
   glutReshapeFunc(reshape);
diff --git a/progs/demos/teapot.c b/progs/demos/teapot.c
index 6bf6e06409..04a675f36e 100644
--- a/progs/demos/teapot.c
+++ b/progs/demos/teapot.c
@@ -638,7 +638,6 @@ int main(int ac, char **av)
     }
     */
 
-  glutInitWindowPosition(0,0);
   glutInitWindowSize(WIDTH,HEIGHT);
   glutInit(&ac,av);
 
diff --git a/progs/demos/terrain.c b/progs/demos/terrain.c
index be78ea4950..a72c8d3cae 100644
--- a/progs/demos/terrain.c
+++ b/progs/demos/terrain.c
@@ -8,6 +8,7 @@
  * based on a Mikael SkiZoWalker's (MoDEL) / France (Skizo@Hol.Fr) demo
  */
 
+#include <assert.h>
 #include <stdio.h>
 #include <math.h>
 #include <stdlib.h>
@@ -559,12 +560,14 @@ loadpic(void)
    FILE *FilePic;
    int i, tmp;
    GLenum gluerr;
+   size_t result;
 
    if ((FilePic = fopen("terrain.dat", "r")) == NULL) {
       fprintf(stderr, "Error loading terrain.dat\n");
       exit(-1);
    }
-   fread(bufferter, 256 * 256, 1, FilePic);
+   result = fread(bufferter, 256 * 256, 1, FilePic);
+   assert(result == 1);
    fclose(FilePic);
 
    for (i = 0; i < (256 * 256); i++) {
@@ -623,7 +626,6 @@ init(void)
 int
 main(int ac, char **av)
 {
-   glutInitWindowPosition(0, 0);
    glutInitWindowSize(WIDTH, HEIGHT);
    glutInit(&ac, av);
 
diff --git a/progs/demos/tessdemo.c b/progs/demos/tessdemo.c
index f71cea1274..8b988e36c1 100644
--- a/progs/demos/tessdemo.c
+++ b/progs/demos/tessdemo.c
@@ -503,10 +503,9 @@ int main( int argc, char **argv )
 
    usage();
 
+   glutInitWindowSize( 400, 400 );
    glutInit( &argc, argv );
    glutInitDisplayMode( GLUT_SINGLE | GLUT_RGB );
-   glutInitWindowPosition(0, 0);
-   glutInitWindowSize( 400, 400 );
    glutCreateWindow( argv[0] );
 
    /* GH: Bit of a hack...
diff --git a/progs/demos/texcyl.c b/progs/demos/texcyl.c
index 0e6089bced..4df97ec4f5 100644
--- a/progs/demos/texcyl.c
+++ b/progs/demos/texcyl.c
@@ -261,10 +261,8 @@ static void Init( int argc, char *argv[] )
 
 int main( int argc, char *argv[] )
 {
-   glutInit( &argc, argv );
    glutInitWindowSize( 400, 400 );
-   glutInitWindowPosition( 0, 0 );
-
+   glutInit( &argc, argv );
    glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE );
 
    Win = glutCreateWindow(argv[0] );
diff --git a/progs/demos/texenv.c b/progs/demos/texenv.c
index c5a8b13f35..260ca8718f 100644
--- a/progs/demos/texenv.c
+++ b/progs/demos/texenv.c
@@ -765,6 +765,7 @@ int main( int argc, char *argv[] )
    GLboolean info = GL_FALSE;
    int i;
 
+   glutInitWindowSize( winWidth, winHeight );
    glutInit( &argc, argv );
 
    for ( i = 1 ; i < argc ; i++ ) {
@@ -786,8 +787,6 @@ int main( int argc, char *argv[] )
       glutInitDisplayMode( GLUT_RGB | GLUT_SINGLE );
    }
 
-   glutInitWindowSize( winWidth, winHeight );
-   glutInitWindowPosition( 0, 0 );
    Win = glutCreateWindow( "Texture Environment Test" );
 
    initialize();
diff --git a/progs/demos/textures.c b/progs/demos/textures.c
index b7bf135d21..1415ef1c43 100644
--- a/progs/demos/textures.c
+++ b/progs/demos/textures.c
@@ -57,7 +57,7 @@ Idle(void)
 {
    Xrot = glutGet(GLUT_ELAPSED_TIME) * 0.02;
    Yrot = glutGet(GLUT_ELAPSED_TIME) * 0.04;
-   //Zrot += 2.0;
+   /* Zrot += 2.0; */
    glutPostRedisplay();
 }
 
@@ -356,9 +356,8 @@ Usage(void)
 int
 main(int argc, char *argv[])
 {
-   glutInit(&argc, argv);
-   glutInitWindowPosition(0, 0);
    glutInitWindowSize(700, 700);
+   glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
    Win = glutCreateWindow(argv[0]);
    glutReshapeFunc(Reshape);
diff --git a/progs/demos/trispd.c b/progs/demos/trispd.c
index 165d088e3d..c07c340947 100644
--- a/progs/demos/trispd.c
+++ b/progs/demos/trispd.c
@@ -227,15 +227,12 @@ static void Help( const char *program )
 
 int main( int argc, char *argv[] )
 {
-   printf("For options:  %s -help\n", argv[0]);
-   glutInit( &argc, argv );
    glutInitWindowSize( (int) Width, (int) Height );
-   glutInitWindowPosition( 0, 0 );
-
+   glutInit( &argc, argv );
    glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
-
    glutCreateWindow( argv[0] );
 
+   printf("For options:  %s -help\n", argv[0]);
    if (argc==2 && strcmp(argv[1],"-help")==0) {
       Help(argv[0]);
       return 0;
diff --git a/progs/demos/tunnel.c b/progs/demos/tunnel.c
index 6981da3298..efc007c79a 100644
--- a/progs/demos/tunnel.c
+++ b/progs/demos/tunnel.c
@@ -491,7 +491,6 @@ main(int ac, char **av)
    fprintf(stderr,
 	   "Tunnel V1.5\nWritten by David Bucciarelli (tech.hmw@plus.it)\n");
 
-   glutInitWindowPosition(0, 0);
    glutInitWindowSize(WIDTH, HEIGHT);
    glutInit(&ac, av);
 
diff --git a/progs/demos/tunnel2.c b/progs/demos/tunnel2.c
index 0288ea0f8c..f15da95b18 100644
--- a/progs/demos/tunnel2.c
+++ b/progs/demos/tunnel2.c
@@ -559,7 +559,6 @@ main(int ac, char **av)
    fprintf(stderr,
 	   "Tunnel2 V1.0\nWritten by David Bucciarelli (tech.hmw@plus.it)\n");
 
-   glutInitWindowPosition(0, 0);
    glutInitWindowSize(WIDTHC0, HEIGHTC0);
    glutInit(&ac, av);
 
diff --git a/progs/demos/vao_demo.c b/progs/demos/vao_demo.c
index 206e06fc6c..5ce07ecc63 100644
--- a/progs/demos/vao_demo.c
+++ b/progs/demos/vao_demo.c
@@ -317,9 +317,8 @@ static void Init( void )
 
 int main( int argc, char *argv[] )
 {
-   glutInit( &argc, argv );
-   glutInitWindowPosition( 0, 0 );
    glutInitWindowSize( Width, Height );
+   glutInit( &argc, argv );
    glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
    Win = glutCreateWindow( "GL_APPLE_vertex_array_object demo" );
    glutReshapeFunc( Reshape );
diff --git a/progs/demos/winpos.c b/progs/demos/winpos.c
index 13a9c7e9a8..f935f9bee0 100644
--- a/progs/demos/winpos.c
+++ b/progs/demos/winpos.c
@@ -96,9 +96,8 @@ static void init( void )
 
 int main( int argc, char *argv[] )
 {
-   glutInit(&argc, argv);
-   glutInitWindowPosition(0, 0);
    glutInitWindowSize(500, 500);
+   glutInit(&argc, argv);
    glutInitDisplayMode( GLUT_RGB );
 
    if (glutCreateWindow("winpos") <= 0) {