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-rw-r--r--src/mesa/main/mtypes.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index c24e2e389f..58efa0b4f5 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -2222,6 +2222,8 @@ struct gl_shared_state
*/
struct gl_renderbuffer
{
+#define RB_MAGIC 0xaabbccdd
+ int Magic; /** XXX TEMPORARY DEBUG INFO */
_glthread_Mutex Mutex; /**< for thread safety */
GLuint ClassID; /**< Useful for drivers */
GLuint Name;