From bc2395e659081356079688ba74e8db266d8a802e Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@gmail.com>
Date: Tue, 13 Oct 2009 03:39:00 +0000
Subject: Some GL test fixes.

---
 tests/libdimension/tests.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tests/libdimension/tests.c b/tests/libdimension/tests.c
index f8c02de..56a0368 100644
--- a/tests/libdimension/tests.c
+++ b/tests/libdimension/tests.c
@@ -232,6 +232,9 @@ dmnsn_new_display(const dmnsn_canvas *canvas)
 
   /* Connect the context to the window */
   glXMakeCurrent(display->dpy, display->win, display->cx);
+  glClearColor(0.0, 0.0, 0.0, 1.0);
+  glClear(GL_COLOR_BUFFER_BIT);
+  dmnsn_display_flush(display);
 
   return display;
 }
@@ -251,7 +254,7 @@ dmnsn_delete_display(dmnsn_display *display)
 void
 dmnsn_display_flush(dmnsn_display *display)
 {
-  glFlush();
+  glXWaitX();
   glXSwapBuffers(display->dpy, display->win);
 }
 
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