i965:fix segfault issue when clearing the window which

is created with mode GLUT_SINGLE|GLUT_RGB|GLUT_DEPTH.
This issue is introduced by 20b8bff49cba3e8246e29004c5ff38f231d589ff

diff --git a/src/mesa/drivers/dri/i965/brw_metaops.c b/src/mesa/drivers/dri/i965/brw_metaops.c
index dd62be34f4a3dfbbdb05e3262b571403a53c2862..7b34f0f3bd6f58b768e182602deaf31d2bf640a0 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_metaops.c
+++ b/src/mesa/drivers/dri/i965/brw_metaops.c
@@ -372,7 +372,8 @@ static void meta_draw_region( struct intel_context *intel,
    if (intel->frame_buffer_texobj != NULL)
       brw_FrameBufferTexDestroy(brw);
 
-   brw_FrameBufferTexInit(brw, draw_region);
+   if (draw_region)
+       brw_FrameBufferTexInit(brw, draw_region);
 
    brw->state.dirty.mesa |= _NEW_BUFFERS;
 }