added glFinish with comment

1 files changed, 6 insertions, 1 deletions

diff --git a/progs/demos/osdemo.c b/progs/demos/osdemo.c
index 25632bc2760..22321cc10f1 100644
--- a/progs/demos/osdemo.c
+++ b/progs/demos/osdemo.c
@@ -1,4 +1,4 @@
-/* $Id: osdemo.c,v 1.9 2002/07/12 15:54:19 brianp Exp $ */
+/* $Id: osdemo.c,v 1.10 2003/03/03 03:14:25 brianp Exp $ */
 
 /*
  * Demo of off-screen Mesa rendering
@@ -139,6 +139,11 @@ static void render_image( void )
 
    glPopMatrix();
 
+   /* This is very important!!!
+    * Make sure buffered commands are finished!!!
+    */
+   glFinish();
+
    Frames++;
    if (perf) {
      GLint t = glutGet(GLUT_ELAPSED_TIME);