[PATCH] XQuartz: GLX: Create a new dispatch table rather than modifying the existing one

[Jeremy Huddleston]

Ajax, can you please review this.  Will NULL entries in the dispatch table be handled properly now, or do we need to initialize the dispatch table with noop stubs?

Fixes regression introduced by b0c665ac0fe6840dda581e4d0d0b76c703d62a7b

0   X11.bin                       	0x0000000100118293 __glXAquaScreenCreateContext + 684
1   X11.bin                       	0x00000001001315b0 DoCreateContext + 163
2   X11.bin                       	0x000000010013509f __glXDispatch + 211
3   X11.bin                       	0x00000001000c7dad Dispatch + 785
4   X11.bin                       	0x00000001000b97e5 dix_main + 1022
5   X11.bin                       	0x00000001000122bc server_thread + 50
6   libSystem.B.dylib             	0x00007fff836554f6 _pthread_start + 331
7   libSystem.B.dylib             	0x00007fff836553a9 thread_start + 13

http://lists.apple.com/archives/X11-users/2011/May/msg00045.html

Signed-off-by: Jeremy Huddleston <jeremyhu at apple.com>
---
 hw/xquartz/GL/indirect.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/hw/xquartz/GL/indirect.c b/hw/xquartz/GL/indirect.c
index 1375bea..5537973 100644
--- a/hw/xquartz/GL/indirect.c
+++ b/hw/xquartz/GL/indirect.c
@@ -682,7 +682,7 @@ GLuint __glFloorLog2(GLuint val)
 }
 
 static void setup_dispatch_table(void) {
-    struct _glapi_table *disp=_glapi_get_dispatch();
+    struct _glapi_table *disp=calloc(1,sizeof(struct _glapi_table));
 
     /* to update:
      * for f in $(grep 'define SET_' ../../../glx/dispatch.h  | cut -f2 -d' ' | cut -f1 -d\( | sort -u); do grep -q $f indirect.c || echo $f ; done | grep -v by_offset | sed 's:SET_\(.*\)$:SET_\1(disp, gl\1)\;:' | pbcopy
@@ -1626,4 +1626,6 @@ static void setup_dispatch_table(void) {
     SET_PixelTexGenParameterivSGIS(disp, glPixelTexGenParameterivSGIS);
     SET_PixelTexGenSGIX(disp, glPixelTexGenSGIX);
 #endif
+
+    _glapi_set_dispatch(disp);
 }
-- 
1.7.4.1