lib32-mesa-demos-libre-8.1.0-1: updating version

2 files changed, 76 insertions, 1146 deletions

diff --git a/libre/lib32-mesa-demos-libre/PKGBUILD b/libre/lib32-mesa-demos-libre/PKGBUILD
index 1719f138d..2c0dbea61 100644
--- a/libre/lib32-mesa-demos-libre/PKGBUILD
+++ b/libre/lib32-mesa-demos-libre/PKGBUILD
@@ -1,24 +1,23 @@
-# $Id: PKGBUILD 94667 2010-10-09 11:21:35Z andyrtr $
+# $Id: PKGBUILD 178740 2013-02-26 16:15:13Z andyrtr $
 # Maintainer: Jan de Groot <jgc@archlinux.org>
 # Maintainer: Andreas Radke <andyrtr@archlinux.org>
 # Maintainer (Parabola): André Silva <emulatorman@lavabit.com>
 
 _pkgbasename=mesa-demos-libre
 pkgname=lib32-$_pkgbasename
-pkgver=8.0.1
-pkgrel=2
+pkgver=8.1.0
+pkgrel=1
 arch=(x86_64)
-pkgdesc="Mesa demos and tools (32-bit), libre"
+pkgdesc="Mesa demos and tools (32-bit), without nonfree demos"
 url="http://mesa3d.sourceforge.net"
 license=('custom')
-depends=('lib32-glew>=1.5.6' mesa-demos-libre)
 provides=("lib32-mesa-demos=$pkgver")
 replaces=('lib32-mesa-demos')
 conflicts=('lib32-mesa-demos')
-makedepends=(gcc-multilib)
+makedepends=(gcc-multilib 'lib32-mesa-libgl>=9.1' 'lib32-glew' 'libgl>=9.1')
 source=(ftp://ftp.freedesktop.org/pub/mesa/demos/${pkgver}/mesa-demos-${pkgver}.tar.bz2
         mesa-demos-libre.patch)
-md5sums=('320c2a4b6edc6faba35d9cb1e2a30bf4'
+md5sums=('9df33ba69a26bbfbc7c8148602e59542'
          '1858e95d40ac9e5e0b59753ce9e673e3')
 
 build() {
@@ -27,12 +26,21 @@ build() {
   export PKG_CONFIG_PATH="/usr/lib32/pkgconfig"
 
   cd "${srcdir}/mesa-demos-${pkgver}"
+
+  # Remove nonfree demos (pointblast and spriteblast)
+  rm -v src/demos/{pointblast,spriteblast}.c
   patch -Np1 -i "${srcdir}/mesa-demos-libre.patch"
-  ./configure --prefix=/usr
+
+  ./configure --prefix=/usr \
+    --enable-gles1 \
+    --enable-gles2
+
   make
 }
 
 package() {
+  depends=('lib32-glew' mesa-demos)
+
   cd "${srcdir}/mesa-demos-${pkgver}"
   make DESTDIR="${pkgdir}" install
 
diff --git a/libre/lib32-mesa-demos-libre/mesa-demos-libre.patch b/libre/lib32-mesa-demos-libre/mesa-demos-libre.patch
index c5261f8e9..d630f373c 100644
--- a/libre/lib32-mesa-demos-libre/mesa-demos-libre.patch
+++ b/libre/lib32-mesa-demos-libre/mesa-demos-libre.patch
@@ -1,15 +1,15 @@
-diff -rauNp Desktop/mesa-demos-8.0.1//src/demos/Makefile.am mesa-demos-8.0.1//src/demos/Makefile.am
---- Desktop/mesa-demos-8.0.1//src/demos/Makefile.am	2010-07-13 14:46:40.000000000 -0400
-+++ mesa-demos-8.0.1/src/demos/Makefile.am	2011-06-04 15:34:18.000000000 -0400
-@@ -62,7 +62,6 @@ bin_PROGRAMS = \
- 	morph3d \
+diff -Nur mesa-demos-8.1.0.orig/src/demos/Makefile.am mesa-demos-8.1.0/src/demos/Makefile.am
+--- mesa-demos-8.1.0.orig/src/demos/Makefile.am	2012-12-15 05:17:06.000000000 -0200
++++ mesa-demos-8.1.0/src/demos/Makefile.am	2013-02-26 17:22:04.845832793 -0200
+@@ -65,7 +65,6 @@
  	multiarb \
  	paltex \
+ 	pixeltest \
 -	pointblast \
  	projtex \
  	ray \
  	readpix \
-@@ -71,7 +70,6 @@ bin_PROGRAMS = \
+@@ -74,7 +73,6 @@
  	shadowtex \
  	singlebuffer \
  	spectex \
@@ -17,36 +17,34 @@ diff -rauNp Desktop/mesa-demos-8.0.1//src/demos/Makefile.am mesa-demos-8.0.1//sr
  	stex3d \
  	teapot \
  	terrain \
-diff -rauNp Desktop/mesa-demos-8.0.1//src/demos/Makefile.in mesa-demos-8.0.1//src/demos/Makefile.in
---- Desktop/mesa-demos-8.0.1//src/demos/Makefile.in	2010-07-13 14:53:23.000000000 -0400
-+++ mesa-demos-8.0.1/src/demos/Makefile.in	2011-06-04 15:35:32.000000000 -0400
-@@ -73,11 +73,10 @@ host_triplet = @host@
+diff -Nur mesa-demos-8.1.0.orig/src/demos/Makefile.in mesa-demos-8.1.0/src/demos/Makefile.in
+--- mesa-demos-8.1.0.orig/src/demos/Makefile.in	2013-02-24 09:12:04.000000000 -0200
++++ mesa-demos-8.1.0/src/demos/Makefile.in	2013-02-26 17:48:36.711995049 -0200
+@@ -90,11 +90,11 @@
  @HAVE_GLUT_TRUE@	ipers$(EXEEXT) isosurf$(EXEEXT) \
  @HAVE_GLUT_TRUE@	lodbias$(EXEEXT) morph3d$(EXEEXT) \
  @HAVE_GLUT_TRUE@	multiarb$(EXEEXT) paltex$(EXEEXT) \
--@HAVE_GLUT_TRUE@	pointblast$(EXEEXT) projtex$(EXEEXT) \
--@HAVE_GLUT_TRUE@	ray$(EXEEXT) readpix$(EXEEXT) reflect$(EXEEXT) \
--@HAVE_GLUT_TRUE@	renormal$(EXEEXT) shadowtex$(EXEEXT) \
--@HAVE_GLUT_TRUE@	singlebuffer$(EXEEXT) spectex$(EXEEXT) \
--@HAVE_GLUT_TRUE@	spriteblast$(EXEEXT) stex3d$(EXEEXT) \
-+@HAVE_GLUT_TRUE@	projtex$(EXEEXT) ray$(EXEEXT) readpix$(EXEEXT) \
-+@HAVE_GLUT_TRUE@	reflect$(EXEEXT) renormal$(EXEEXT) \
-+@HAVE_GLUT_TRUE@	shadowtex$(EXEEXT) singlebuffer$(EXEEXT) \
-+@HAVE_GLUT_TRUE@	spectex$(EXEEXT) stex3d$(EXEEXT) \
- @HAVE_GLUT_TRUE@	teapot$(EXEEXT) terrain$(EXEEXT) \
- @HAVE_GLUT_TRUE@	tessdemo$(EXEEXT) texcyl$(EXEEXT) \
- @HAVE_GLUT_TRUE@	texenv$(EXEEXT) textures$(EXEEXT) \
-@@ -188,9 +187,6 @@ multiarb_DEPENDENCIES = ../util/libutil.
- paltex_SOURCES = paltex.c
- paltex_OBJECTS = paltex.$(OBJEXT)
- paltex_LDADD = $(LDADD)
+-@HAVE_GLUT_TRUE@	pixeltest$(EXEEXT) pointblast$(EXEEXT) \
++@HAVE_GLUT_TRUE@	pixeltest$(EXEEXT) \
+ @HAVE_GLUT_TRUE@	projtex$(EXEEXT) ray$(EXEEXT) readpix$(EXEEXT) \
+ @HAVE_GLUT_TRUE@	reflect$(EXEEXT) renormal$(EXEEXT) \
+ @HAVE_GLUT_TRUE@	shadowtex$(EXEEXT) singlebuffer$(EXEEXT) \
+-@HAVE_GLUT_TRUE@	spectex$(EXEEXT) spriteblast$(EXEEXT) \
++@HAVE_GLUT_TRUE@	spectex$(EXEEXT) \
+ @HAVE_GLUT_TRUE@	stex3d$(EXEEXT) teapot$(EXEEXT) \
+ @HAVE_GLUT_TRUE@	terrain$(EXEEXT) tessdemo$(EXEEXT) \
+ @HAVE_GLUT_TRUE@	texcyl$(EXEEXT) texenv$(EXEEXT) \
+@@ -219,9 +219,6 @@
+ pixeltest_SOURCES = pixeltest.c
+ pixeltest_OBJECTS = pixeltest.$(OBJEXT)
+ pixeltest_LDADD = $(LDADD)
 -pointblast_SOURCES = pointblast.c
 -pointblast_OBJECTS = pointblast.$(OBJEXT)
 -pointblast_LDADD = $(LDADD)
  projtex_SOURCES = projtex.c
  projtex_OBJECTS = projtex.$(OBJEXT)
  projtex_DEPENDENCIES = ../util/libutil.la
-@@ -215,9 +211,6 @@ singlebuffer_LDADD = $(LDADD)
+@@ -246,9 +243,6 @@
  spectex_SOURCES = spectex.c
  spectex_OBJECTS = spectex.$(OBJEXT)
  spectex_LDADD = $(LDADD)
@@ -56,66 +54,57 @@ diff -rauNp Desktop/mesa-demos-8.0.1//src/demos/Makefile.in mesa-demos-8.0.1//sr
  stex3d_SOURCES = stex3d.c
  stex3d_OBJECTS = stex3d.$(OBJEXT)
  stex3d_LDADD = $(LDADD)
-@@ -285,21 +278,20 @@ SOURCES = arbfplight.c arbfslight.c arbo
- 	fbo_firecube.c fbotexture.c fire.c fogcoord.c fplight.c \
- 	fslight.c gamma.c gearbox.c gears.c geartrain.c glinfo.c \
- 	gloss.c gltestperf.c ipers.c isosurf.c lodbias.c morph3d.c \
--	multiarb.c paltex.c pointblast.c projtex.c ray.c readpix.c \
--	reflect.c renormal.c shadowtex.c singlebuffer.c spectex.c \
--	spriteblast.c stex3d.c teapot.c terrain.c tessdemo.c texcyl.c \
--	texenv.c textures.c trispd.c $(tunnel_SOURCES) tunnel2.c \
--	vao_demo.c winpos.c
-+	multiarb.c paltex.c projtex.c ray.c readpix.c reflect.c \
-+	renormal.c shadowtex.c singlebuffer.c spectex.c stex3d.c \
-+	teapot.c terrain.c tessdemo.c texcyl.c texenv.c textures.c \
-+	trispd.c $(tunnel_SOURCES) tunnel2.c vao_demo.c winpos.c
- DIST_SOURCES = arbfplight.c arbfslight.c arbocclude.c bounce.c \
- 	clearspd.c copypix.c cubemap.c dinoshade.c dissolve.c \
- 	drawpix.c engine.c fbo_firecube.c fbotexture.c fire.c \
- 	fogcoord.c fplight.c fslight.c gamma.c gearbox.c gears.c \
- 	geartrain.c glinfo.c gloss.c gltestperf.c ipers.c isosurf.c \
--	lodbias.c morph3d.c multiarb.c paltex.c pointblast.c projtex.c \
--	ray.c readpix.c reflect.c renormal.c shadowtex.c \
--	singlebuffer.c spectex.c spriteblast.c stex3d.c teapot.c \
--	terrain.c tessdemo.c texcyl.c texenv.c textures.c trispd.c \
--	$(tunnel_SOURCES) tunnel2.c vao_demo.c winpos.c
-+	lodbias.c morph3d.c multiarb.c paltex.c projtex.c ray.c \
-+	readpix.c reflect.c renormal.c shadowtex.c singlebuffer.c \
-+	spectex.c stex3d.c teapot.c terrain.c tessdemo.c texcyl.c \
-+	texenv.c textures.c trispd.c $(tunnel_SOURCES) tunnel2.c \
-+	vao_demo.c winpos.c
- ETAGS = etags
- CTAGS = ctags
- DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
-@@ -653,9 +645,6 @@ multiarb$(EXEEXT): $(multiarb_OBJECTS) $
- paltex$(EXEEXT): $(paltex_OBJECTS) $(paltex_DEPENDENCIES) 
- 	@rm -f paltex$(EXEEXT)
- 	$(AM_V_CCLD)$(LINK) $(paltex_OBJECTS) $(paltex_LDADD) $(LIBS)
--pointblast$(EXEEXT): $(pointblast_OBJECTS) $(pointblast_DEPENDENCIES) 
+@@ -325,8 +319,8 @@
+ 	fbotexture.c fire.c fogcoord.c fplight.c fslight.c gamma.c \
+ 	gearbox.c gears.c geartrain.c glinfo.c gloss.c gltestperf.c \
+ 	ipers.c isosurf.c lodbias.c morph3d.c multiarb.c paltex.c \
+-	pixeltest.c pointblast.c projtex.c ray.c readpix.c reflect.c \
+-	renormal.c shadowtex.c singlebuffer.c spectex.c spriteblast.c \
++	pixeltest.c projtex.c ray.c readpix.c reflect.c \
++	renormal.c shadowtex.c singlebuffer.c spectex.c \
+ 	stex3d.c teapot.c terrain.c tessdemo.c texcyl.c texenv.c \
+ 	textures.c trispd.c $(tunnel_SOURCES) tunnel2.c vao_demo.c \
+ 	winpos.c
+@@ -336,8 +330,8 @@
+ 	fbotexture.c fire.c fogcoord.c fplight.c fslight.c gamma.c \
+ 	gearbox.c gears.c geartrain.c glinfo.c gloss.c gltestperf.c \
+ 	ipers.c isosurf.c lodbias.c morph3d.c multiarb.c paltex.c \
+-	pixeltest.c pointblast.c projtex.c ray.c readpix.c reflect.c \
+-	renormal.c shadowtex.c singlebuffer.c spectex.c spriteblast.c \
++	pixeltest.c projtex.c ray.c readpix.c reflect.c \
++	renormal.c shadowtex.c singlebuffer.c spectex.c \
+ 	stex3d.c teapot.c terrain.c tessdemo.c texcyl.c texenv.c \
+ 	textures.c trispd.c $(tunnel_SOURCES) tunnel2.c vao_demo.c \
+ 	winpos.c
+@@ -722,9 +716,6 @@
+ pixeltest$(EXEEXT): $(pixeltest_OBJECTS) $(pixeltest_DEPENDENCIES) $(EXTRA_pixeltest_DEPENDENCIES) 
+ 	@rm -f pixeltest$(EXEEXT)
+ 	$(AM_V_CCLD)$(LINK) $(pixeltest_OBJECTS) $(pixeltest_LDADD) $(LIBS)
+-pointblast$(EXEEXT): $(pointblast_OBJECTS) $(pointblast_DEPENDENCIES) $(EXTRA_pointblast_DEPENDENCIES) 
 -	@rm -f pointblast$(EXEEXT)
 -	$(AM_V_CCLD)$(LINK) $(pointblast_OBJECTS) $(pointblast_LDADD) $(LIBS)
- projtex$(EXEEXT): $(projtex_OBJECTS) $(projtex_DEPENDENCIES) 
+ projtex$(EXEEXT): $(projtex_OBJECTS) $(projtex_DEPENDENCIES) $(EXTRA_projtex_DEPENDENCIES) 
  	@rm -f projtex$(EXEEXT)
  	$(AM_V_CCLD)$(LINK) $(projtex_OBJECTS) $(projtex_LDADD) $(LIBS)
-@@ -680,9 +669,6 @@ singlebuffer$(EXEEXT): $(singlebuffer_OB
- spectex$(EXEEXT): $(spectex_OBJECTS) $(spectex_DEPENDENCIES) 
+@@ -749,9 +740,6 @@
+ spectex$(EXEEXT): $(spectex_OBJECTS) $(spectex_DEPENDENCIES) $(EXTRA_spectex_DEPENDENCIES) 
  	@rm -f spectex$(EXEEXT)
  	$(AM_V_CCLD)$(LINK) $(spectex_OBJECTS) $(spectex_LDADD) $(LIBS)
--spriteblast$(EXEEXT): $(spriteblast_OBJECTS) $(spriteblast_DEPENDENCIES) 
+-spriteblast$(EXEEXT): $(spriteblast_OBJECTS) $(spriteblast_DEPENDENCIES) $(EXTRA_spriteblast_DEPENDENCIES) 
 -	@rm -f spriteblast$(EXEEXT)
 -	$(AM_V_CCLD)$(LINK) $(spriteblast_OBJECTS) $(spriteblast_LDADD) $(LIBS)
- stex3d$(EXEEXT): $(stex3d_OBJECTS) $(stex3d_DEPENDENCIES) 
+ stex3d$(EXEEXT): $(stex3d_OBJECTS) $(stex3d_DEPENDENCIES) $(EXTRA_stex3d_DEPENDENCIES) 
  	@rm -f stex3d$(EXEEXT)
  	$(AM_V_CCLD)$(LINK) $(stex3d_OBJECTS) $(stex3d_LDADD) $(LIBS)
-@@ -756,7 +742,6 @@ distclean-compile:
- @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/morph3d.Po@am__quote@
+@@ -828,7 +816,6 @@
  @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/multiarb.Po@am__quote@
  @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/paltex.Po@am__quote@
+ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/pixeltest.Po@am__quote@
 -@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/pointblast.Po@am__quote@
  @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/projtex.Po@am__quote@
  @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/ray.Po@am__quote@
  @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/readpix.Po@am__quote@
-@@ -765,7 +750,6 @@ distclean-compile:
+@@ -837,7 +824,6 @@
  @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/shadowtex.Po@am__quote@
  @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/singlebuffer.Po@am__quote@
  @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/spectex.Po@am__quote@
@@ -123,1070 +112,3 @@ diff -rauNp Desktop/mesa-demos-8.0.1//src/demos/Makefile.in mesa-demos-8.0.1//sr
  @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/stex3d.Po@am__quote@
  @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/teapot.Po@am__quote@
  @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/terrain.Po@am__quote@
-diff -rauNp Desktop/mesa-demos-8.0.1//src/demos/pointblast.c mesa-demos-8.0.1//src/demos/pointblast.c
---- Desktop/mesa-demos-8.0.1//src/demos/pointblast.c	2010-07-07 13:57:15.000000000 -0400
-+++ mesa-demos-8.0.1/src/demos/pointblast.c	1969-12-31 19:00:00.000000000 -0500
-@@ -1,504 +0,0 @@
--
--/* Copyright (c) Mark J. Kilgard, 1997.  */
--
--/* This program is freely distributable without licensing fees 
--   and is provided without guarantee or warrantee expressed or 
--   implied. This program is -not- in the public domain. */
--
--/* This example demonstrates how to render particle effects
--   with OpenGL.  A cloud of pinkish/orange particles explodes with the
--   particles bouncing off the ground.  When the EXT_point_parameters
--   is present , the particle size is attenuated based on eye distance. */
--
--
--#include <stdio.h>
--#include <stdlib.h>
--#include <string.h>
--#include <math.h>       /* for cos(), sin(), and sqrt() */
--#ifdef _WIN32
--#include <windows.h>
--#endif
--#include <GL/glew.h>
--#include <GL/glut.h>
--
--/* Some <math.h> files do not define M_PI... */
--#ifndef M_PI
--#define M_PI 3.14159265
--#endif
--
--#if 0  /* For debugging. */
--#undef GL_EXT_point_parameters
--#endif
--
--static GLfloat angle = -150;   /* in degrees */
--static int spin = 0;
--static int moving, begin;
--static int newModel = 1;
--static float theTime;
--static int repeat = 1;
--static int blend = 1;
--int useMipmaps = 1;
--int linearFiltering = 1;
--
--static GLfloat constant[3] = { 1/5.0, 0.0, 0.0 };
--static GLfloat linear[3] = { 0.0, 1/5.0, 0.0 };
--static GLfloat theQuad[3] = { 0.25, 0.0, 1/60.0 };
--
--#define MAX_POINTS 2000
--
--static int numPoints = 200;
--
--static GLfloat pointList[MAX_POINTS][3];
--static GLfloat pointTime[MAX_POINTS];
--static GLfloat pointVelocity[MAX_POINTS][2];
--static GLfloat pointDirection[MAX_POINTS][2];
--static int colorList[MAX_POINTS];
--static int animate = 1, motion = 0;
--
--static GLfloat colorSet[][4] = {
--  /* Shades of red. */
--  { 0.7, 0.2, 0.4, 0.5 },
--  { 0.8, 0.0, 0.7, 0.5 },
--  { 1.0, 0.0, 0.0, 0.5 },
--  { 0.9, 0.3, 0.6, 0.5 },
--  { 1.0, 0.4, 0.0, 0.5 },
--  { 1.0, 0.0, 0.5, 0.5 },
--};
--
--#define NUM_COLORS (sizeof(colorSet)/sizeof(colorSet[0]))
--
--#define DEAD (NUM_COLORS+1)
--
--
--#if 0  /* drand48 might be better on Unix machines */
--#define RANDOM_RANGE(lo, hi) ((lo) + (hi - lo) * drand48())
--#else
--static float float_rand(void) { return rand() / (float) RAND_MAX; }
--#define RANDOM_RANGE(lo, hi) ((lo) + (hi - lo) * float_rand())
--#endif
--
--#define MEAN_VELOCITY 3.0
--#define GRAVITY 2.0
--
--/* Modeling units of ground extent in each X and Z direction. */
--#define EDGE 12
--
--static void
--makePointList(void)
--{
--  float angle, velocity, direction;
--  int i;
--
--  motion = 1;
--  for (i=0; i<numPoints; i++) {
--    pointList[i][0] = 0.0;
--    pointList[i][1] = 0.0;
--    pointList[i][2] = 0.0;
--    pointTime[i] = 0.0;
--    angle = (RANDOM_RANGE(60.0, 70.0)) * M_PI/180.0;
--    direction = RANDOM_RANGE(0.0, 360.0) * M_PI/180.0;
--    pointDirection[i][0] = cos(direction);
--    pointDirection[i][1] = sin(direction);
--    velocity = MEAN_VELOCITY + RANDOM_RANGE(-0.8, 1.0);
--    pointVelocity[i][0] = velocity * cos(angle);
--    pointVelocity[i][1] = velocity * sin(angle);
--    colorList[i] = rand() % NUM_COLORS;
--  }
--  theTime = 0.0;
--}
--
--static void
--updatePointList(void)
--{
--  float distance;
--  int i;
--
--  static double t0 = -1.;
--  double dt, t = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
--  if (t0 < 0.0)
--    t0 = t;
--  dt = t - t0;
--  t0 = t;
--
--  motion = 0;
--  for (i=0; i<numPoints; i++) {
--    distance = pointVelocity[i][0] * theTime;
--
--    /* X and Z */
--    pointList[i][0] = pointDirection[i][0] * distance;
--    pointList[i][2] = pointDirection[i][1] * distance;
--
--    /* Z */
--    pointList[i][1] =
--      (pointVelocity[i][1] - 0.5 * GRAVITY * pointTime[i])*pointTime[i];
--
--    /* If we hit the ground, bounce the point upward again. */
--    if (pointList[i][1] <= 0.0) {
--      if (distance > EDGE) {
--        /* Particle has hit ground past the distance duration of
--          the particles.  Mark particle as dead. */
--       colorList[i] = NUM_COLORS;  /* Not moving. */
--       continue;
--      }
--
--      pointVelocity[i][1] *= 0.8;  /* 80% of previous up velocity. */
--      pointTime[i] = 0.0;  /* Reset the particles sense of up time. */
--    }
--    motion = 1;
--    pointTime[i] += dt;
--  }
--  theTime += dt;
--  if (!motion && !spin) {
--    if (repeat) {
--      makePointList();
--    } else {
--      glutIdleFunc(NULL);
--    }
--  }
--}
--
--static void
--idle(void)
--{
--  updatePointList();
--  if (spin) {
--    angle += 0.3;
--    newModel = 1;
--  }
--  glutPostRedisplay();
--}
--
--static void
--visible(int vis)
--{
--  if (vis == GLUT_VISIBLE) {
--    if (animate && (motion || spin)) {
--      glutIdleFunc(idle);
--    }
--  } else {
--    glutIdleFunc(NULL);
--  }
--}
--
--static void
--recalcModelView(void)
--{
--  glPopMatrix();
--  glPushMatrix();
--  glRotatef(angle, 0.0, 1.0, 0.0);
--  newModel = 0;
--}
--
--static void
--redraw(void)
--{
--  int i;
--
--  glDepthMask(GL_TRUE);
--  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
--  if (newModel)
--    recalcModelView();
--
--
--  /* Draw the floor. */
--/*  glEnable(GL_TEXTURE_2D);*/
--  glColor3f(0.5, 1.0, 0.5);
--  glBegin(GL_QUADS);
--    glTexCoord2f(0.0, 0.0);
--    glVertex3f(-EDGE, -0.05, -EDGE);
--    glTexCoord2f(20.0, 0.0);
--    glVertex3f(EDGE, -0.05, -EDGE);
--    glTexCoord2f(20.0, 20.0);
--    glVertex3f(EDGE, -0.05, EDGE);
--    glTexCoord2f(0.0, 20.0);
--    glVertex3f(-EDGE, -0.05, EDGE);
--  glEnd();
--
--  /* Allow particles to blend with each other. */
--  glDepthMask(GL_FALSE);
--
--  if (blend)
--     glEnable(GL_BLEND);
--
--  glDisable(GL_TEXTURE_2D);
--  glBegin(GL_POINTS);
--    for (i=0; i<numPoints; i++) {
--      /* Draw alive particles. */
--      if (colorList[i] != DEAD) {
--        glColor4fv(colorSet[colorList[i]]);
--        glVertex3fv(pointList[i]);
--      }
--    }
--  glEnd();
--
--  glDisable(GL_BLEND);
--
--  glutSwapBuffers();
--}
--
--/* ARGSUSED2 */
--static void
--mouse(int button, int state, int x, int y)
--{
--  /* Scene can be spun around Y axis using left
--     mouse button movement. */
--  if (button == GLUT_LEFT_BUTTON && state == GLUT_DOWN) {
--    moving = 1;
--    begin = x;
--  }
--  if (button == GLUT_LEFT_BUTTON && state == GLUT_UP) {
--    moving = 0;
--  }
--}
--
--/* ARGSUSED1 */
--static void
--mouseMotion(int x, int y)
--{
--  if (moving) {
--    angle = angle + (x - begin);
--    begin = x;
--    newModel = 1;
--    glutPostRedisplay();
--  }
--}
--
--static void
--menu(int option)
--{
--  switch (option) {
--  case 0:
--    makePointList();
--    break;
--#ifdef GL_ARB_point_parameters
--  case 1:
--    glPointParameterfvARB(GL_POINT_DISTANCE_ATTENUATION_ARB, constant);
--    break;
--  case 2:
--    glPointParameterfvARB(GL_POINT_DISTANCE_ATTENUATION_ARB, linear);
--    break;
--  case 3:
--    glPointParameterfvARB(GL_POINT_DISTANCE_ATTENUATION_ARB, theQuad);
--    break;
--#endif
--  case 4:
--    blend = 1;
--    break;
--  case 5:
--    blend = 0;
--    break;
--#ifdef GL_ARB_point_parameters
--  case 6:
--    glPointParameterfARB(GL_POINT_FADE_THRESHOLD_SIZE_ARB, 1.0);
--    break;
--  case 7:
--    glPointParameterfARB(GL_POINT_FADE_THRESHOLD_SIZE_ARB, 10.0);
--    break;
--#endif
--  case 8:
--    glEnable(GL_POINT_SMOOTH);
--    break;
--  case 9:
--    glDisable(GL_POINT_SMOOTH);
--    break;
--  case 10:
--    glPointSize(2.0);
--    break;
--  case 11:
--    glPointSize(4.0);
--    break;
--  case 12:
--    glPointSize(8.0);
--    break;
--  case 13:
--    spin = 1 - spin;
--    if (animate && (spin || motion)) {
--      glutIdleFunc(idle);
--    } else {
--      glutIdleFunc(NULL);
--    }
--    break;
--  case 14:
--    numPoints = 200;
--    break;
--  case 15:
--    numPoints = 500;
--    break;
--  case 16:
--    numPoints = 1000;
--    break;
--  case 17:
--    numPoints = 2000;
--    break;
--  case 666:
--    exit(0);
--  }
--  glutPostRedisplay();
--}
--
--/* ARGSUSED1 */
--static void
--key(unsigned char c, int x, int y)
--{
--  switch (c) {
--  case 13:
--    animate = 1 - animate;  /* toggle. */
--    if (animate && (motion || spin)) {
--      glutIdleFunc(idle);
--    } else {
--      glutIdleFunc(NULL);
--    }
--    break;
--  case ' ':
--    animate = 1;
--    makePointList();
--    glutIdleFunc(idle);
--    break;
--  case 27:
--    exit(0);
--  }
--}
--
--/* Nice floor texture tiling pattern. */
--static char *circles[] = {
--  "....xxxx........",
--  "..xxxxxxxx......",
--  ".xxxxxxxxxx.....",
--  ".xxx....xxx.....",
--  "xxx......xxx....",
--  "xxx......xxx....",
--  "xxx......xxx....",
--  "xxx......xxx....",
--  ".xxx....xxx.....",
--  ".xxxxxxxxxx.....",
--  "..xxxxxxxx......",
--  "....xxxx........",
--  "................",
--  "................",
--  "................",
--  "................",
--};
--
--static void
--makeFloorTexture(void)
--{
--  GLubyte floorTexture[16][16][3];
--  GLubyte *loc;
--  int s, t;
--
--  /* Setup RGB image for the texture. */
--  loc = (GLubyte*) floorTexture;
--  for (t = 0; t < 16; t++) {
--    for (s = 0; s < 16; s++) {
--      if (circles[t][s] == 'x') {
--        /* Nice blue. */
--        loc[0] = 0x1f;
--        loc[1] = 0x1f;
--        loc[2] = 0x8f;
--      } else {
--        /* Light gray. */
--        loc[0] = 0xca;
--        loc[1] = 0xca;
--        loc[2] = 0xca;
--      }
--      loc += 3;
--    }
--  }
--
--  glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
--
--  if (useMipmaps) {
--    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
--      GL_LINEAR_MIPMAP_LINEAR);
--    gluBuild2DMipmaps(GL_TEXTURE_2D, 3, 16, 16,
--      GL_RGB, GL_UNSIGNED_BYTE, floorTexture);
--  } else {
--    if (linearFiltering) {
--      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
--    } else {
--      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
--    }
--    glTexImage2D(GL_TEXTURE_2D, 0, 3, 16, 16, 0,
--      GL_RGB, GL_UNSIGNED_BYTE, floorTexture);
--  }
--}
--
--int
--main(int argc, char **argv)
--{
--  int i;
--
--  glutInitWindowSize(300, 300);
--  glutInit(&argc, argv);
--  glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH | GLUT_MULTISAMPLE);
--
--  for (i=1; i<argc; i++) {
--    if(!strcmp("-noms", argv[i])) {
--      glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
--      printf("forcing no multisampling\n");
--    } else if(!strcmp("-nomipmaps", argv[i])) {
--      useMipmaps = 0;
--    } else if(!strcmp("-nearest", argv[i])) {
--      linearFiltering = 0;
--    }
--  }
--
--  glutCreateWindow("point burst");
--  glewInit();
--  glutDisplayFunc(redraw);
--  glutMouseFunc(mouse);
--  glutMotionFunc(mouseMotion);
--  glutVisibilityFunc(visible);
--  glutKeyboardFunc(key);
--  glutCreateMenu(menu);
--  glutAddMenuEntry("Reset time", 0);
--  glutAddMenuEntry("Constant", 1);
--  glutAddMenuEntry("Linear", 2);
--  glutAddMenuEntry("Quadratic", 3);
--  glutAddMenuEntry("Blend on", 4);
--  glutAddMenuEntry("Blend off", 5);
--  glutAddMenuEntry("Threshold 1", 6);
--  glutAddMenuEntry("Threshold 10", 7);
--  glutAddMenuEntry("Point smooth on", 8);
--  glutAddMenuEntry("Point smooth off", 9);
--  glutAddMenuEntry("Point size 2", 10);
--  glutAddMenuEntry("Point size 4", 11);
--  glutAddMenuEntry("Point size 8", 12);
--  glutAddMenuEntry("Toggle spin", 13);
--  glutAddMenuEntry("200 points ", 14);
--  glutAddMenuEntry("500 points ", 15);
--  glutAddMenuEntry("1000 points ", 16);
--  glutAddMenuEntry("2000 points ", 17);
--  glutAddMenuEntry("Quit", 666);
--  glutAttachMenu(GLUT_RIGHT_BUTTON);
--
--  if (!glutExtensionSupported("GL_ARB_point_parameters")) {
--    fprintf(stderr, "Sorry, GL_ARB_point_parameters is not supported.\n");
--    return -1;
--  }
--
--  glShadeModel(GL_FLAT);
--  glEnable(GL_DEPTH_TEST);
--  glEnable(GL_POINT_SMOOTH);
--  glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
--  glPointSize(8.0);
--#if GL_ARB_point_parameters
--  glPointParameterfvARB(GL_POINT_DISTANCE_ATTENUATION_ARB, theQuad);
--#endif
--  glMatrixMode(GL_PROJECTION);
--  gluPerspective( /* field of view in degree */ 40.0,
--  /* aspect ratio */ 1.0,
--    /* Z near */ 0.5, /* Z far */ 40.0);
--  glMatrixMode(GL_MODELVIEW);
--  gluLookAt(0.0, 1.0, 8.0, /* eye location */
--    0.0, 1.0, 0.0,      /* center is at (0,0,0) */
--    0.0, 1.0, 0.);      /* up is in postivie Y direction */
--  glPushMatrix();       /* dummy push so we can pop on model
--                           recalc */
--
--  makePointList();
--  makeFloorTexture();
--
--  glutMainLoop();
--  return 0;             /* ANSI C requires main to return int. */
--}
-diff -rauNp Desktop/mesa-demos-8.0.1//src/demos/spriteblast.c mesa-demos-8.0.1//src/demos/spriteblast.c
---- Desktop/mesa-demos-8.0.1//src/demos/spriteblast.c	2010-07-07 13:57:15.000000000 -0400
-+++ mesa-demos-8.0.1/src/demos/spriteblast.c	1969-12-31 19:00:00.000000000 -0500
-@@ -1,555 +0,0 @@
--
--/* Copyright (c) Mark J. Kilgard, 1997.  */
--
--/* This program is freely distributable without licensing fees 
--   and is provided without guarantee or warrantee expressed or 
--   implied. This program is -not- in the public domain. */
--
--/* This example demonstrates how to render particle effects
--   with OpenGL.  A cloud of pinkish/orange particles explodes with the
--   particles bouncing off the ground.  When the EXT_point_parameters
--   is present , the particle size is attenuated based on eye distance. */
--
--
--/* Modified by Brian Paul to test GL_ARB_point_sprite */
--
--
--#include <stdio.h>
--#include <stdlib.h>
--#include <string.h>
--#include <math.h>       /* for cos(), sin(), and sqrt() */
--#ifdef _WIN32
--#include <windows.h>
--#endif
--#include <GL/glew.h>
--#include <GL/glut.h>
--
--/* Some <math.h> files do not define M_PI... */
--#ifndef M_PI
--#define M_PI 3.14159265
--#endif
--
--#if 0  /* For debugging. */
--#undef GL_EXT_point_parameters
--#endif
--
--static GLfloat angle = -150;   /* in degrees */
--static int spin = 0;
--static int moving, begin;
--static float theTime;
--static int repeat = 1;
--static int blend = 1;
--int useMipmaps = 1;
--int linearFiltering = 1;
--
--static GLfloat constant[3] = { .2,  0.0,     0.0 };
--static GLfloat linear[3]   = { .0,   .1,     0.0 };
--static GLfloat theQuad[3]  = { .005, 0.1, 1/600.0 };
--
--#define MAX_POINTS 2000
--
--static int numPoints = 200;
--
--static GLfloat pointList[MAX_POINTS][3];
--static GLfloat pointTime[MAX_POINTS];
--static GLfloat pointVelocity[MAX_POINTS][2];
--static GLfloat pointDirection[MAX_POINTS][2];
--static int colorList[MAX_POINTS];
--static int animate = 1, motion = 0, org = 0, sprite = 1, smooth = 1;
--
--static GLfloat colorSet[][4] = {
--  /* Shades of red. */
--  { 0.7, 0.2, 0.4, 0.5 },
--  { 0.8, 0.0, 0.7, 0.5 },
--  { 1.0, 0.0, 0.0, 0.5 },
--  { 0.9, 0.3, 0.6, 0.5 },
--  { 1.0, 0.4, 0.0, 0.5 },
--  { 1.0, 0.0, 0.5, 0.5 },
--};
--
--#define NUM_COLORS (sizeof(colorSet)/sizeof(colorSet[0]))
--
--#define DEAD (NUM_COLORS+1)
--
--
--/* GL */
--static GLint spritePattern[16][16] = {
--   { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
--   { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
--   { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
--   { 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0 },
--   { 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0 },
--   { 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0 },
--   { 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0 },
--   { 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0 },
--   { 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0 },
--   { 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0 },
--   { 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0 },
--   { 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0 },
--   { 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0 },
--   { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
--   { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
--   { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
--};
--
--
--
--
--#if 0  /* drand48 might be better on Unix machines */
--#define RANDOM_RANGE(lo, hi) ((lo) + (hi - lo) * drand48())
--#else
--static float float_rand(void) { return rand() / (float) RAND_MAX; }
--#define RANDOM_RANGE(lo, hi) ((lo) + (hi - lo) * float_rand())
--#endif
--
--#define MEAN_VELOCITY 3.0
--#define GRAVITY 2.0
--
--/* Modeling units of ground extent in each X and Z direction. */
--#define EDGE 12
--
--static void
--makePointList(void)
--{
--  float angle, velocity, direction;
--  int i;
--
--  motion = 1;
--  for (i=0; i<numPoints; i++) {
--    pointList[i][0] = 0.0;
--    pointList[i][1] = 0.0;
--    pointList[i][2] = 0.0;
--    pointTime[i] = 0.0;
--    angle = (RANDOM_RANGE(60.0, 70.0)) * M_PI/180.0;
--    direction = RANDOM_RANGE(0.0, 360.0) * M_PI/180.0;
--    pointDirection[i][0] = cos(direction);
--    pointDirection[i][1] = sin(direction);
--    velocity = MEAN_VELOCITY + RANDOM_RANGE(-0.8, 1.0);
--    pointVelocity[i][0] = velocity * cos(angle);
--    pointVelocity[i][1] = velocity * sin(angle);
--    colorList[i] = rand() % NUM_COLORS;
--  }
--  theTime = 0.0;
--}
--
--static void
--updatePointList(void)
--{
--  float distance;
--  int i;
--
--  static double t0 = -1.;
--  double dt, t = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
--  if (t0 < 0.0)
--    t0 = t;
--  dt = t - t0;
--  t0 = t;
--
--  motion = 0;
--  for (i=0; i<numPoints; i++) {
--    distance = pointVelocity[i][0] * theTime;
--
--    /* X and Z */
--    pointList[i][0] = pointDirection[i][0] * distance;
--    pointList[i][2] = pointDirection[i][1] * distance;
--
--    /* Z */
--    pointList[i][1] =
--      (pointVelocity[i][1] - 0.5 * GRAVITY * pointTime[i])*pointTime[i];
--
--    /* If we hit the ground, bounce the point upward again. */
--    if (pointList[i][1] <= 0.0) {
--      if (distance > EDGE) {
--        /* Particle has hit ground past the distance duration of
--          the particles.  Mark particle as dead. */
--       colorList[i] = NUM_COLORS;  /* Not moving. */
--       continue;
--      }
--
--      pointVelocity[i][1] *= 0.8;  /* 80% of previous up velocity. */
--      pointTime[i] = 0.0;  /* Reset the particles sense of up time. */
--    }
--    motion = 1;
--    pointTime[i] += dt;
--  }
--  theTime += dt;
--  if (!motion && !spin) {
--    if (repeat) {
--      makePointList();
--    } else {
--      glutIdleFunc(NULL);
--    }
--  }
--}
--
--static void
--idle(void)
--{
--  updatePointList();
--  if (spin) {
--    angle += 0.3;
--  }
--  glutPostRedisplay();
--}
--
--static void
--visible(int vis)
--{
--  if (vis == GLUT_VISIBLE) {
--    if (animate && (motion || spin)) {
--      glutIdleFunc(idle);
--    }
--  } else {
--    glutIdleFunc(NULL);
--  }
--}
--
--static void
--redraw(void)
--{
--  int i;
--
--  glDepthMask(GL_TRUE);
--  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
--
--  glPushMatrix();
--  glRotatef(15.0, 1.0, 0.0, 0.0);
--  glRotatef(angle, 0.0, 1.0, 0.0);
--
--
--  /* Draw the floor. */
--/*  glEnable(GL_TEXTURE_2D);*/
--  glColor3f(0.1, 0.5, 1.0);
--  glBegin(GL_QUADS);
--    glTexCoord2f(0.0, 0.0);
--    glVertex3f(-EDGE, -0.05, -EDGE);
--    glTexCoord2f(20.0, 0.0);
--    glVertex3f(EDGE, -0.05, -EDGE);
--    glTexCoord2f(20.0, 20.0);
--    glVertex3f(EDGE, -0.05, EDGE);
--    glTexCoord2f(0.0, 20.0);
--    glVertex3f(-EDGE, -0.05, EDGE);
--  glEnd();
--
--  /* Allow particles to blend with each other. */
--  glDepthMask(GL_FALSE);
--
--  if (blend)
--     glEnable(GL_BLEND);
--
--  if (sprite) {
--     glEnable(GL_TEXTURE_2D);
--#ifdef GL_ARB_point_sprite
--     glEnable(GL_POINT_SPRITE_ARB);
--#endif
--  }
--
--  glColor3f(1,1,1);
--  glBegin(GL_POINTS);
--    for (i=0; i<numPoints; i++) {
--      /* Draw alive particles. */
--      if (colorList[i] != DEAD) {
--        if (!sprite) glColor4fv(colorSet[colorList[i]]);
--        glVertex3fv(pointList[i]);
--      }
--    }
--  glEnd();
--
--  glDisable(GL_TEXTURE_2D);
--#ifdef GL_ARB_point_sprite
--  glDisable(GL_POINT_SPRITE_ARB);
--#endif
--  glDisable(GL_BLEND);
--
--  glPopMatrix();
--
--  glutSwapBuffers();
--}
--
--/* ARGSUSED2 */
--static void
--mouse(int button, int state, int x, int y)
--{
--  /* Scene can be spun around Y axis using left
--     mouse button movement. */
--  if (button == GLUT_LEFT_BUTTON && state == GLUT_DOWN) {
--    moving = 1;
--    begin = x;
--  }
--  if (button == GLUT_LEFT_BUTTON && state == GLUT_UP) {
--    moving = 0;
--  }
--}
--
--/* ARGSUSED1 */
--static void
--mouseMotion(int x, int y)
--{
--  if (moving) {
--    angle = angle + (x - begin);
--    begin = x;
--    glutPostRedisplay();
--  }
--}
--
--static void
--menu(int option)
--{
--  switch (option) {
--  case 0:
--    makePointList();
--    break;
--#ifdef GL_ARB_point_parameters
--  case 1:
--    glPointParameterfvARB(GL_POINT_DISTANCE_ATTENUATION_ARB, constant);
--    break;
--  case 2:
--    glPointParameterfvARB(GL_POINT_DISTANCE_ATTENUATION_ARB, linear);
--    break;
--  case 3:
--    glPointParameterfvARB(GL_POINT_DISTANCE_ATTENUATION_ARB, theQuad);
--    break;
--#endif
--  case 4:
--    blend = 1;
--    break;
--  case 5:
--    blend = 0;
--    break;
--#ifdef GL_ARB_point_parameters
--  case 6:
--    glPointParameterfARB(GL_POINT_FADE_THRESHOLD_SIZE_ARB, 1.0);
--    break;
--  case 7:
--    glPointParameterfARB(GL_POINT_FADE_THRESHOLD_SIZE_ARB, 10.0);
--    break;
--#endif
--  case 8:
--    glEnable(GL_POINT_SMOOTH);
--    smooth = 1;
--    break;
--  case 9:
--    glDisable(GL_POINT_SMOOTH);
--    smooth = 0;
--    break;
--  case 10:
--    glPointSize(16.0);
--    break;
--  case 11:
--    glPointSize(32.0);
--    break;
--  case 12:
--    glPointSize(64.0);
--    break;
--  case 13:
--    spin = 1 - spin;
--    if (animate && (spin || motion)) {
--      glutIdleFunc(idle);
--    } else {
--      glutIdleFunc(NULL);
--    }
--    break;
--  case 14:
--    numPoints = 200;
--    break;
--  case 15:
--    numPoints = 500;
--    break;
--  case 16:
--    numPoints = 1000;
--    break;
--  case 17:
--    numPoints = 2000;
--    break;
--  case 666:
--    exit(0);
--  }
--  glutPostRedisplay();
--}
--
--/* ARGSUSED1 */
--static void
--key(unsigned char c, int x, int y)
--{
--  switch (c) {
--  case 13:
--    animate = 1 - animate;  /* toggle. */
--    if (animate && (motion || spin)) {
--      glutIdleFunc(idle);
--    } else {
--      glutIdleFunc(NULL);
--    }
--    break;
--  case ' ':
--    animate = 1;
--    makePointList();
--    glutIdleFunc(idle);
--    break;
--  case 'o':
--  case 'O':
--    org ^= 1;
--#ifdef GL_VERSION_2_0
--#ifdef GL_ARB_point_parameters
--    glPointParameteri(GL_POINT_SPRITE_COORD_ORIGIN,
--                      org ? GL_LOWER_LEFT : GL_UPPER_LEFT);
--#endif
--#endif
--    glutPostRedisplay();
--    break;
--  case 't':
--  case 'T':
--    sprite ^= 1;
--    glutPostRedisplay();
--    break;
--  case 's':
--  case 'S':
--    (smooth ^= 1) ? glEnable(GL_POINT_SMOOTH) : glDisable(GL_POINT_SMOOTH);
--    glutPostRedisplay();
--    break;
--  case '0':
--    glPointSize(1.0);
--    glutPostRedisplay();
--    break;
--  case '1':
--    glPointSize(16.0);
--    glutPostRedisplay();
--    break;
--  case '2':
--    glPointSize(32.0);
--    glutPostRedisplay();
--    break;
--  case '3':
--    glPointSize(64.0);
--    glutPostRedisplay();
--    break;
--  case '4':
--    glPointSize(128.0);
--    glutPostRedisplay();
--    break;
--  case 27:
--    exit(0);
--  }
--}
--
--
--
--static void
--makeSprite(void)
--{
--   GLubyte texture[16][16][4];
--   int i, j;
--
--   if (!glutExtensionSupported("GL_ARB_point_sprite")) {
--      printf("Sorry, this demo requires GL_ARB_point_sprite.\n");
--      exit(0);
--   }
--   if (!glutExtensionSupported("GL_ARB_point_parameters")) {
--      printf("Sorry, this demo requires GL_ARB_point_parameters.\n");
--      exit(0);
--   }
--
--   for (i = 0; i < 16; i++) {
--      for (j = 0; j < 16; j++) {
--         if (spritePattern[i][j]) {
--            texture[i][j][0] = 255;
--            texture[i][j][1] = 255;
--            texture[i][j][2] = 255;
--            texture[i][j][3] = 255;
--         }
--         else {
--            texture[i][j][0] = 255;
--            texture[i][j][1] = 0;
--            texture[i][j][2] = 0;
--            texture[i][j][3] = 0;
--         }
--      }
--   }
--
--   glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 16, 16, 0, GL_RGBA, GL_UNSIGNED_BYTE,
--                texture);
--   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
--   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
--#ifdef GL_ARB_point_sprite
--   glTexEnvi(GL_POINT_SPRITE_ARB, GL_COORD_REPLACE_ARB, GL_TRUE);
--#endif
--}
--
--
--static void
--reshape(int width, int height)
--{
--  GLfloat h = (GLfloat) height / (GLfloat) width;
--
--  glViewport(0, 0, (GLint) width, (GLint) height);
--  glMatrixMode(GL_PROJECTION);
--  glLoadIdentity();
--  glFrustum(-1.0, 1.0, -h, h, 2.0, 30.0);
--  glMatrixMode(GL_MODELVIEW);
--  glLoadIdentity();
--  glTranslatef(0.0, 0.0, -10.0);
--}
--
--int
--main(int argc, char **argv)
--{
--  int i;
--
--  glutInitWindowSize(600,300);
--  glutInit(&argc, argv);
--  glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH | GLUT_MULTISAMPLE);
--
--  for (i=1; i<argc; i++) {
--    if(!strcmp("-noms", argv[i])) {
--      glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
--      printf("forcing no multisampling\n");
--    } else if(!strcmp("-nomipmaps", argv[i])) {
--      useMipmaps = 0;
--    } else if(!strcmp("-nearest", argv[i])) {
--      linearFiltering = 0;
--    }
--  }
--  glutCreateWindow("sprite blast");
--  glewInit();
--  glutReshapeFunc(reshape);
--  glutDisplayFunc(redraw);
--  glutMouseFunc(mouse);
--  glutMotionFunc(mouseMotion);
--  glutVisibilityFunc(visible);
--  glutKeyboardFunc(key);
--  glutCreateMenu(menu);
--  glutAddMenuEntry("Reset time", 0);
--  glutAddMenuEntry("Constant", 1);
--  glutAddMenuEntry("Linear", 2);
--  glutAddMenuEntry("Quadratic", 3);
--  glutAddMenuEntry("Blend on", 4);
--  glutAddMenuEntry("Blend off", 5);
--  glutAddMenuEntry("Threshold 1", 6);
--  glutAddMenuEntry("Threshold 10", 7);
--  glutAddMenuEntry("Point smooth on", 8);
--  glutAddMenuEntry("Point smooth off", 9);
--  glutAddMenuEntry("Point size 16", 10);
--  glutAddMenuEntry("Point size 32", 11);
--  glutAddMenuEntry("Point size 64", 12);
--  glutAddMenuEntry("Toggle spin", 13);
--  glutAddMenuEntry("200 points ", 14);
--  glutAddMenuEntry("500 points ", 15);
--  glutAddMenuEntry("1000 points ", 16);
--  glutAddMenuEntry("2000 points ", 17);
--  glutAddMenuEntry("Quit", 666);
--  glutAttachMenu(GLUT_RIGHT_BUTTON);
--
--  makePointList();
--  makeSprite();
--
--  glShadeModel(GL_FLAT);
--  glEnable(GL_DEPTH_TEST);
--  glEnable(GL_POINT_SMOOTH);
--  glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
--  glPointSize(32.0);
--#ifdef GL_ARB_point_parameters
--  glPointParameterfvARB(GL_POINT_DISTANCE_ATTENUATION_ARB, theQuad);
--#endif
--
--  glutMainLoop();
--  return 0;             /* ANSI C requires main to return int. */
--}