Add driver_private field for drivers that hook shader_queue_flush.

diff --git a/src/mesa/pipe/draw/draw_private.h b/src/mesa/pipe/draw/draw_private.h
index fea6d94..7782db0 100644 (file)
--- a/src/mesa/pipe/draw/draw_private.h
+++ b/src/mesa/pipe/draw/draw_private.h
@@ -259,6 +259,8 @@ struct draw_context
 #ifdef MESA_LLVM
    struct gallivm_cpu_engine *engine;
 #endif
+   
+   void *driver_private;
 };