commit 1bdf31e8da56b0660421d7b9ac253d92bed24352
author Jonas Maebe <jonas.maebe@elis.ugent.be> Mon Sep 10 00:44:15 2012 +0200
committer Jeremy Huddleston Sequoia <jeremyhu@apple.com> Mon Sep 24 16:07:14 2012 -0700
tree df2d7b4e4fdb6f4be1b2ff20b7bebb3e4c4c90f9
parent ecf0bef4cdd58010d25fe845c6da76bbb35f8898

darwin: do not create double-buffered offscreen pixel formats

http://xquartz.macosforge.org/trac/ticket/536

Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
(cherry picked from commit 5fdf1f784bf449d7ce9839506fa23c5357696c4c)

src/glx/apple/apple_visual.c

diff --git a/src/glx/apple/apple_visual.c b/src/glx/apple/apple_visual.c
index a246164..282934f 100644
--- a/src/glx/apple/apple_visual.c
+++ b/src/glx/apple/apple_visual.c
@@ -116,7 +116,7 @@
       *uses_stereo = false;
    }
 
-   if (mode->doubleBufferMode) {
+   if (!offscreen && mode->doubleBufferMode) {
       attr[numattr++] = kCGLPFADoubleBuffer;
       *double_buffered = true;
    }