vcl/source/opengl/OpenGLContext.cxx | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
New commits:
commit 3ddae832bbb71306a574c4e1087de0a0da318966
Author: Markus Mohrhard <markus.mohrh...@googlemail.com>
Date: Mon May 12 17:49:00 2014 +0200
fix crash when glDebugMessageCallback is 0 despite feature being there
Change-Id: I1e6986e1e56f78f10f4677f471d2bdea2231f787
Reviewed-on: https://gerrit.libreoffice.org/9331
Reviewed-by: Miklos Vajna <vmik...@collabora.co.uk>
Tested-by: Miklos Vajna <vmik...@collabora.co.uk>
diff --git a/vcl/source/opengl/OpenGLContext.cxx
b/vcl/source/opengl/OpenGLContext.cxx
index 58202fb..1700488 100644
--- a/vcl/source/opengl/OpenGLContext.cxx
+++ b/vcl/source/opengl/OpenGLContext.cxx
@@ -525,7 +525,9 @@ bool OpenGLContext::ImplInit()
#ifdef DBG_UTIL
// only enable debug output in dbgutil build
- if( GLEW_ARB_debug_output )
+ // somehow there are implementations where the feature is present and the
function
+ // pointer is still NULL
+ if( GLEW_ARB_debug_output && glDebugMessageCallback )
{
glEnable(GL_DEBUG_OUTPUT);
glDebugMessageCallback(&debug_callback, NULL);
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