progs/glsl: compile with scons and glew

Get most of these working with scons.

diff --git a/progs/SConscript b/progs/SConscript
index 71ebe5e0f37013c6819b148533a566c93dbcbb52..620dd30e69c2559a484c8d36c2f25673bae6fbb0 100644 (file)
--- a/progs/SConscript
+++ b/progs/SConscript
@@ -1,6 +1,7 @@
 SConscript([
     'util/SConscript',
     'demos/SConscript',
+    'glsl/SConscript',
     'redbook/SConscript',
     'samples/SConscript',
     'tests/SConscript',

diff --git a/progs/glsl/SConscript b/progs/glsl/SConscript
new file mode 100644 (file)
index 0000000..7a4549c
--- /dev/null
+++ b/progs/glsl/SConscript
@@ -0,0 +1,55 @@
+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 = [
+      'array',
+      'bitmap',
+      'brick',
+      'bump',
+      'convolutions',
+      'deriv',
+      'fragcoord',
+      'identity',
+      'linktest',
+      'mandelbrot',
+      'multinoise',
+      'multitex',
+      'noise',
+      'noise2',
+      'pointcoord',
+      'points',
+      'samplers',
+      'shadow_sampler',
+      'skinning',
+      'texaaline',
+      'texdemo1',
+      'toyball',
+      'trirast',
+      'twoside',
+      'vert-or-frag-only',
+      'vert-tex',
+]
+
+for prog in progs:
+    env.Program(
+        target = prog,
+        source = prog + '.c',
+    )
+    

diff --git a/progs/glsl/array.c b/progs/glsl/array.c
index 46ef8043bcff7a72bcb3a207deb5372a4914d50c..6da15b2fcc034c88fad2e60dfdf1f068bf10ce98 100644 (file)
--- a/progs/glsl/array.c
+++ b/progs/glsl/array.c
@@ -9,9 +9,9 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <math.h>
+#include <GL/glew.h>
 #include <GL/gl.h>
 #include <GL/glut.h>
-#include <GL/glext.h>
 #include "extfuncs.h"
 #include "shaderutil.h"
 
@@ -248,6 +248,7 @@ main(int argc, char *argv[])
    glutInitWindowSize(500, 500);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
    win = glutCreateWindow(argv[0]);
+   glewInit();
    glutReshapeFunc(Reshape);
    glutKeyboardFunc(Key);
    glutSpecialFunc(SpecialKey);

diff --git a/progs/glsl/bitmap.c b/progs/glsl/bitmap.c
index d488ec6cb9f2b584ecaa47c40c4c35e3545eb77e..08fac15c89d71b75e154152cf3584f7f21ee9dbe 100644 (file)
--- a/progs/glsl/bitmap.c
+++ b/progs/glsl/bitmap.c
@@ -9,6 +9,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <math.h>
+#include <GL/glew.h>
 #include <GL/gl.h>
 #include <GL/glut.h>
 #include <GL/glext.h>
@@ -309,6 +310,7 @@ main(int argc, char *argv[])
    glutInitWindowSize(WinWidth, WinHeight);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
    Win = glutCreateWindow(argv[0]);
+   glewInit();
    glutReshapeFunc(Reshape);
    glutKeyboardFunc(Key);
    glutSpecialFunc(SpecialKey);

diff --git a/progs/glsl/brick.c b/progs/glsl/brick.c
index 526ef0e2e3624f3fe3a40a5616318099f7e9659a..607acd05977842fa1e8ee4b02c4aa8ed8d5b7994 100644 (file)
--- a/progs/glsl/brick.c
+++ b/progs/glsl/brick.c
@@ -9,6 +9,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <math.h>
+#include <GL/glew.h>
 #include <GL/gl.h>
 #include <GL/glut.h>
 #include <GL/glext.h>
@@ -191,6 +192,7 @@ main(int argc, char *argv[])
    glutInitWindowSize(400, 400);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
    win = glutCreateWindow(argv[0]);
+   glewInit();
    glutReshapeFunc(Reshape);
    glutKeyboardFunc(Key);
    glutSpecialFunc(SpecialKey);

diff --git a/progs/glsl/bump.c b/progs/glsl/bump.c
index 0ea1f8331ff3cbcc82e1529f041b5b27a22981f5..c401e590f74e02ef7a27cb7aad7f446bad827f53 100644 (file)
--- a/progs/glsl/bump.c
+++ b/progs/glsl/bump.c
@@ -288,6 +288,7 @@ main(int argc, char *argv[])
    glutInitWindowSize(400, 400);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
    win = glutCreateWindow(argv[0]);
+   glewInit();
    glutReshapeFunc(Reshape);
    glutKeyboardFunc(Key);
    glutSpecialFunc(SpecialKey);

diff --git a/progs/glsl/convolutions.c b/progs/glsl/convolutions.c
index ac71c68235e9bba370cfa612e06c270007585bcb..22ce7edcdc530c901b6701793e876439ce34feb5 100644 (file)
--- a/progs/glsl/convolutions.c
+++ b/progs/glsl/convolutions.c
@@ -5,6 +5,8 @@
  * Author: Zack Rusin
  */
 
+#include <GL/glew.h>
+
 #define GL_GLEXT_PROTOTYPES
 #include "readtex.h"
 
@@ -455,6 +457,7 @@ int main(int argc, char **argv)
       exit(1);
    }
 
+   glewInit();
    init();
 
    glutReshapeFunc(reshape);

diff --git a/progs/glsl/deriv.c b/progs/glsl/deriv.c
index e69f0b82c45fbb0abeaf3596796b53869d1a2fa4..3fd674c3310849b83a5a4fb4f5996640ab0eab51 100644 (file)
--- a/progs/glsl/deriv.c
+++ b/progs/glsl/deriv.c
@@ -13,6 +13,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <math.h>
+#include <GL/glew.h>
 #include <GL/gl.h>
 #include <GL/glut.h>
 #include <GL/glext.h>
@@ -228,6 +229,7 @@ main(int argc, char *argv[])
    glutInitWindowSize(200, 200);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
    win = glutCreateWindow(argv[0]);
+   glewInit();
    glutReshapeFunc(Reshape);
    glutKeyboardFunc(Key);
    glutSpecialFunc(SpecialKey);

diff --git a/progs/glsl/fragcoord.c b/progs/glsl/fragcoord.c
index 0b7561f3e474650e68c50255a93d6822e1ad7855..509ad47e7f6dfe967ad07d94b3fed474f3a10c54 100644 (file)
--- a/progs/glsl/fragcoord.c
+++ b/progs/glsl/fragcoord.c
@@ -12,6 +12,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <math.h>
+#include <GL/glew.h>
 #include <GL/gl.h>
 #include <GL/glut.h>
 #include <GL/glext.h>
@@ -174,6 +175,7 @@ main(int argc, char *argv[])
    glutInitWindowSize(WinWidth, WinHeight);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
    win = glutCreateWindow(argv[0]);
+   glewInit();
    glutReshapeFunc(Reshape);
    glutKeyboardFunc(Key);
    glutDisplayFunc(Redisplay);

diff --git a/progs/glsl/identity.c b/progs/glsl/identity.c
index 37579eb3469c41de9dd3ef32c58a861fd3426361..5ba7468cc444c874c246b323d1f9f0ed4cd9547c 100644 (file)
--- a/progs/glsl/identity.c
+++ b/progs/glsl/identity.c
@@ -9,6 +9,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <math.h>
+#include <GL/glew.h>
 #include <GL/gl.h>
 #include <GL/glut.h>
 #include <GL/glext.h>
@@ -195,6 +196,7 @@ main(int argc, char *argv[])
    glutInitWindowSize(200, 200);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
    win = glutCreateWindow(argv[0]);
+   glewInit();
    glutReshapeFunc(Reshape);
    glutKeyboardFunc(Key);
    glutSpecialFunc(SpecialKey);

diff --git a/progs/glsl/linktest.c b/progs/glsl/linktest.c
index 988d0823418069cca94b0f343f6bf0991acdd129..fe5d1564e07dbd00e0b8b260ab86a740eee6776e 100644 (file)
--- a/progs/glsl/linktest.c
+++ b/progs/glsl/linktest.c
@@ -9,6 +9,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <math.h>
+#include <GL/glew.h>
 #include <GL/gl.h>
 #include <GL/glut.h>
 #include <GL/glext.h>
@@ -245,6 +246,7 @@ main(int argc, char *argv[])
    glutInitWindowSize(300, 300);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
    Win = glutCreateWindow(argv[0]);
+   glewInit();
    glutReshapeFunc(Reshape);
    glutKeyboardFunc(Key);
    glutDisplayFunc(Redisplay);

diff --git a/progs/glsl/mandelbrot.c b/progs/glsl/mandelbrot.c
index 24e1992665565e70dcbc780771d4efd20b2e42f6..eeea4eb52ae2b6d259adee89598d4f4e5477d0e2 100644 (file)
--- a/progs/glsl/mandelbrot.c
+++ b/progs/glsl/mandelbrot.c
@@ -9,6 +9,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <math.h>
+#include <GL/glew.h>
 #include <GL/gl.h>
 #include <GL/glut.h>
 #include <GL/glext.h>
@@ -206,6 +207,7 @@ main(int argc, char *argv[])
    glutInitWindowSize(400, 400);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
    win = glutCreateWindow(argv[0]);
+   glewInit();
    glutReshapeFunc(Reshape);
    glutKeyboardFunc(Key);
    glutSpecialFunc(SpecialKey);

diff --git a/progs/glsl/multinoise.c b/progs/glsl/multinoise.c
index 2351863aff89bf0037c565a451079a44059dc017..400511508e1345202a1585749bc69e0aeb5bfd8f 100644 (file)
--- a/progs/glsl/multinoise.c
+++ b/progs/glsl/multinoise.c
@@ -8,6 +8,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <math.h>
+#include <GL/glew.h>
 #include <GL/gl.h>
 #include <GL/glut.h>
 #include <GL/glext.h>
@@ -270,6 +271,7 @@ main(int argc, char *argv[])
    glutInitWindowSize(400, 400);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
    win = glutCreateWindow(argv[0]);
+   glewInit();
    glutReshapeFunc(Reshape);
    glutKeyboardFunc(Key);
    glutSpecialFunc(SpecialKey);

diff --git a/progs/glsl/multitex.c b/progs/glsl/multitex.c
index bbf58af055d15061c22fc434eb381ecb514c35bf..724f15e1a386d8af1a67ee81d3c3d8ad988463a0 100644 (file)
--- a/progs/glsl/multitex.c
+++ b/progs/glsl/multitex.c
@@ -28,6 +28,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <GL/glew.h>
 #include "GL/glut.h"
 #include "readtex.h"
 #include "extfuncs.h"
@@ -334,6 +335,7 @@ main(int argc, char *argv[])
    glutInitWindowSize(500, 400);
    glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
    glutCreateWindow(Demo);
+   glewInit();
    glutReshapeFunc(Reshape);
    glutKeyboardFunc(key);
    glutSpecialFunc(specialkey);

diff --git a/progs/glsl/noise.c b/progs/glsl/noise.c
index bd8f50036bfe6d7a96e0e20cdf568fb16e20f498..83e4696fc99ae40774425bed8f87f57a372a028d 100644 (file)
--- a/progs/glsl/noise.c
+++ b/progs/glsl/noise.c
@@ -8,6 +8,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <math.h>
+#include <GL/glew.h>
 #include <GL/gl.h>
 #include <GL/glut.h>
 #include <GL/glext.h>
@@ -207,6 +208,7 @@ main(int argc, char *argv[])
    glutInitWindowSize(400, 400);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
    win = glutCreateWindow(argv[0]);
+   glewInit();
    glutReshapeFunc(Reshape);
    glutKeyboardFunc(Key);
    glutSpecialFunc(SpecialKey);

diff --git a/progs/glsl/pointcoord.c b/progs/glsl/pointcoord.c
index b240077c2520edf1f4a8bf8c39376dbbfcea6ac0..aa01e2166d7b605b86da20791473236383ac49d0 100644 (file)
--- a/progs/glsl/pointcoord.c
+++ b/progs/glsl/pointcoord.c
@@ -10,6 +10,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <math.h>
+#include <GL/glew.h>
 #include <GL/gl.h>
 #include <GL/glut.h>
 #include <GL/glext.h>
@@ -195,6 +196,7 @@ main(int argc, char *argv[])
    glutInitWindowSize(WinWidth, WinHeight);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
    win = glutCreateWindow(argv[0]);
+   glewInit();
    glutReshapeFunc(Reshape);
    glutKeyboardFunc(Key);
    glutDisplayFunc(Redisplay);

diff --git a/progs/glsl/points.c b/progs/glsl/points.c
index 392dc4db8534a59e5d3e3732abf25a60c19cbc3c..1b346228aa14dfbd48296252f9831a2f6c403760 100644 (file)
--- a/progs/glsl/points.c
+++ b/progs/glsl/points.c
@@ -10,6 +10,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <math.h>
+#include <GL/glew.h>
 #include <GL/gl.h>
 #include <GL/glut.h>
 #include <GL/glext.h>
@@ -248,6 +249,7 @@ main(int argc, char *argv[])
    glutInitWindowSize(WinWidth, WinHeight);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
    Win = glutCreateWindow(argv[0]);
+   glewInit();
    glutReshapeFunc(Reshape);
    glutKeyboardFunc(Key);
    glutSpecialFunc(SpecialKey);

diff --git a/progs/glsl/samplers.c b/progs/glsl/samplers.c
index 3fb8577d5e3afafef956acf09d6dc6df884610e0..cbb264dad17219d2b8b5e1b6d259fbd70243957f 100644 (file)
--- a/progs/glsl/samplers.c
+++ b/progs/glsl/samplers.c
@@ -39,6 +39,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <GL/glew.h>
 #include "GL/glut.h"
 #include "readtex.h"
 #include "extfuncs.h"
@@ -357,6 +358,7 @@ main(int argc, char *argv[])
    glutInitWindowSize(500, 400);
    glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
    glutCreateWindow(Demo);
+   glewInit();
    glutReshapeFunc(Reshape);
    glutKeyboardFunc(key);
    glutSpecialFunc(specialkey);

diff --git a/progs/glsl/shadow_sampler.c b/progs/glsl/shadow_sampler.c
index 2902b535522019b8a2121372a7dd456e717c2390..673ad465ad8b9be51a53f0a17ebfdf4cf8aeec83 100644 (file)
--- a/progs/glsl/shadow_sampler.c
+++ b/progs/glsl/shadow_sampler.c
@@ -10,6 +10,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <math.h>
+#include <GL/glew.h>
 #include <GL/gl.h>
 #include <GL/glut.h>
 #include <GL/glext.h>
@@ -329,6 +330,7 @@ main(int argc, char *argv[])
    glutInitWindowSize(400, 300);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
    win = glutCreateWindow(argv[0]);
+   glewInit();
    glutReshapeFunc(Reshape);
    glutKeyboardFunc(Key);
    glutDisplayFunc(Redisplay);

diff --git a/progs/glsl/skinning.c b/progs/glsl/skinning.c
index 8a65d0667ce7732eadbabfda5e602fb4c1c91c5d..d7b968fed05c18f47430ecdac81607c402273456 100644 (file)
--- a/progs/glsl/skinning.c
+++ b/progs/glsl/skinning.c
@@ -12,6 +12,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <math.h>
+#include <GL/glew.h>
 #include <GL/gl.h>
 #include <GL/glut.h>
 #include <GL/glext.h>
@@ -266,6 +267,7 @@ main(int argc, char *argv[])
    glutInitWindowSize(500, 500);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
    win = glutCreateWindow(argv[0]);
+   glewInit();
    glutReshapeFunc(Reshape);
    glutKeyboardFunc(Key);
    glutSpecialFunc(SpecialKey);

diff --git a/progs/glsl/texaaline.c b/progs/glsl/texaaline.c
index 0b3cc8495860049fad41b78433e7e6406de2b6e1..6720941a6e197ad96405ea64d7c011d85fe4ce39 100644 (file)
--- a/progs/glsl/texaaline.c
+++ b/progs/glsl/texaaline.c
@@ -11,6 +11,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <math.h>
+#include <GL/glew.h>
 #include <GL/gl.h>
 #include <GL/glut.h>
 #include <GL/glext.h>
@@ -359,6 +360,7 @@ main(int argc, char *argv[])
    glutInitWindowSize(WinWidth, WinHeight);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
    win = glutCreateWindow(argv[0]);
+   glewInit();
    glutReshapeFunc(Reshape);
    glutKeyboardFunc(Key);
    glutDisplayFunc(Redisplay);

diff --git a/progs/glsl/texdemo1.c b/progs/glsl/texdemo1.c
index 96ddca1f32d2a6a5eb02b6e58b5cf3f5bea3655f..08a87a51525cead54fbe0fb2914720b99ac5516b 100644 (file)
--- a/progs/glsl/texdemo1.c
+++ b/progs/glsl/texdemo1.c
@@ -28,6 +28,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <GL/glew.h>
 #include "GL/glut.h"
 #include "readtex.h"
 #include "extfuncs.h"
@@ -426,6 +427,7 @@ main(int argc, char *argv[])
    glutInitWindowSize(500, 400);
    glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
    win = glutCreateWindow(Demo);
+   glewInit();
    glutReshapeFunc(Reshape);
    glutKeyboardFunc(key);
    glutSpecialFunc(specialkey);

diff --git a/progs/glsl/toyball.c b/progs/glsl/toyball.c
index 37ad6bf2914e250143ebec184d96e6ca7df9e016..2b644acb6d42006bf58a5d2d2b14de250ce31d45 100644 (file)
--- a/progs/glsl/toyball.c
+++ b/progs/glsl/toyball.c
@@ -9,6 +9,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <math.h>
+#include <GL/glew.h>
 #include <GL/gl.h>
 #include <GL/glut.h>
 #include <GL/glext.h>
@@ -212,6 +213,7 @@ main(int argc, char *argv[])
    glutInitWindowSize(400, 400);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
    win = glutCreateWindow(argv[0]);
+   glewInit();
    glutReshapeFunc(Reshape);
    glutKeyboardFunc(Key);
    glutSpecialFunc(SpecialKey);

diff --git a/progs/glsl/trirast.c b/progs/glsl/trirast.c
index 89df64fc718deaf0dce2aa6a2b0fc248309d0adc..3d4decaa2fb0d785a6004ee82823afc55184f43d 100644 (file)
--- a/progs/glsl/trirast.c
+++ b/progs/glsl/trirast.c
@@ -15,6 +15,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <math.h>
+#include <GL/glew.h>
 #include <GL/gl.h>
 #include <GL/glut.h>
 #include <GL/glext.h>
@@ -247,6 +248,7 @@ main(int argc, char *argv[])
    glutInitWindowSize(WinWidth, WinHeight);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
    win = glutCreateWindow(argv[0]);
+   glewInit();
    glutReshapeFunc(Reshape);
    glutKeyboardFunc(Key);
    glutDisplayFunc(Redisplay);

diff --git a/progs/glsl/twoside.c b/progs/glsl/twoside.c
index 06488bd1759d74187dd2143beef5cdd00acc611e..9ebc4ec36071430fb1e3e2eb79e71927baaa3671 100644 (file)
--- a/progs/glsl/twoside.c
+++ b/progs/glsl/twoside.c
@@ -12,6 +12,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <math.h>
+#include <GL/glew.h>
 #include <GL/gl.h>
 #include <GL/glut.h>
 #include <GL/glext.h>
@@ -293,6 +294,7 @@ main(int argc, char *argv[])
    glutInitWindowSize(WinWidth, WinHeight);
    glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
    win = glutCreateWindow(argv[0]);
+   glewInit();
    glutReshapeFunc(Reshape);
    glutKeyboardFunc(Key);
    glutDisplayFunc(Redisplay);

diff --git a/progs/glsl/vert-or-frag-only.c b/progs/glsl/vert-or-frag-only.c
index f6eedd8327c6c00468ee1ad815d55e73f2b1001d..8e1612aca464e2bb189462b01396f6ee26047582 100644 (file)
--- a/progs/glsl/vert-or-frag-only.c
+++ b/progs/glsl/vert-or-frag-only.c
@@ -11,6 +11,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <math.h>
+#include <GL/glew.h>
 #include <GL/gl.h>
 #include <GL/glut.h>
 #include <GL/glext.h>
@@ -181,6 +182,7 @@ main(int argc, char *argv[])
    glutInitWindowSize(400, 200);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
    Win = glutCreateWindow(argv[0]);
+   glewInit();
    glutReshapeFunc(Reshape);
    glutKeyboardFunc(Key);
    glutDisplayFunc(Redisplay);

diff --git a/progs/glsl/vert-tex.c b/progs/glsl/vert-tex.c
index 9d00a610540fcfb0eedef8aedbce98f70e0cb854..b74bf50679fda5bd690f9238e124811931ccfb14 100644 (file)
--- a/progs/glsl/vert-tex.c
+++ b/progs/glsl/vert-tex.c
@@ -9,6 +9,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <math.h>
+#include <GL/glew.h>
 #include <GL/gl.h>
 #include <GL/glut.h>
 #include <GL/glext.h>
@@ -266,6 +267,7 @@ main(int argc, char *argv[])
    glutInitWindowSize(500, 500);
    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
    win = glutCreateWindow(argv[0]);
+   glewInit();
    glutReshapeFunc(Reshape);
    glutKeyboardFunc(Key);
    glutSpecialFunc(SpecialKey);