mesa: Disable glthread when glBegin() is called.

glBegin() swaps dispatch tables, and we don't have any code in place for
handling that in glthread (which also messes with dispatch tables), and I
don't particularly care to at this point.

Acked-by: Timothy Arceri <tarceri@itsqueeze.com>
Acked-by: Marek Olšák <maraeo@gmail.com>
Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>
Tested-by: Mike Lothian <mike@fireburn.co.uk>

diff --git a/src/mapi/glapi/gen/gl_API.xml b/src/mapi/glapi/gen/gl_API.xml
index 77d4436..814c725 100644 (file)
--- a/src/mapi/glapi/gen/gl_API.xml
+++ b/src/mapi/glapi/gen/gl_API.xml
@@ -1148,7 +1148,7 @@
         <glx rop="3"/>
     </function>
 
-    <function name="Begin" deprecated="3.1" exec="dynamic">
+    <function name="Begin" deprecated="3.1" exec="dynamic" marshal_fail="true">
         <param name="mode" type="GLenum"/>
         <glx rop="4"/>
     </function>