DRI2: add OML_sync_control support

[mesa.git] / progs / glsl / convolutions.c

diff --git a/progs/glsl/convolutions.c b/progs/glsl/convolutions.c
index a25dad5ba9279538d0d8836d066c79a000325f18..350e61bbdc5d08288f974b3b9da00fec07b04e43 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"
 
@@ -367,7 +369,7 @@ static void keyPress(unsigned char key, int x, int y)
    case 27:
       exit(0);
    default:
-      return;
+      break;
    }
    glutPostRedisplay();
 }
@@ -439,8 +441,6 @@ static void draw()
 
    glPopMatrix();
 
-   glFlush();
-
    glutSwapBuffers();
 }
 
@@ -448,7 +448,6 @@ int main(int argc, char **argv)
 {
    glutInit(&argc, argv);
 
-   glutInitWindowPosition(0, 0);
    glutInitWindowSize(400, 400);
    glutInitDisplayMode(GLUT_RGB | GLUT_ALPHA | GLUT_DOUBLE);
 
@@ -457,6 +456,7 @@ int main(int argc, char **argv)
       exit(1);
    }
 
+   glewInit();
    init();
 
    glutReshapeFunc(reshape);