check for GL_ARB_point_parameters

2006-08-28 14:20:19 +00:00
parent 9cb82f7917
commit a394f546a4
1 changed files with 5 additions and 0 deletions
@@ -471,6 +471,11 @@ main(int argc, char **argv)
  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);