2 files changed, 7 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/common/dri_util.c b/src/mesa/drivers/dri/common/dri_util.c
index b891fca2b1..58a94b5868 100644
--- a/src/mesa/drivers/dri/common/dri_util.c
+++ b/src/mesa/drivers/dri/common/dri_util.c
@@ -585,6 +585,8 @@ driCreateNewContext(__DRIscreen *psp, const __DRIconfig *config,
     pcp->driDrawablePriv = NULL;
     pcp->loaderPrivate = data;
     
+    pcp->dri2.draw_stamp = 0;
+    pcp->dri2.read_stamp = 0;
     /* When the first context is created for a screen, initialize a "dummy"
      * context.
      */
diff --git a/src/mesa/drivers/dri/common/dri_util.h b/src/mesa/drivers/dri/common/dri_util.h
index 8f0cd4cf9d..2eadb9ac8c 100644
--- a/src/mesa/drivers/dri/common/dri_util.h
+++ b/src/mesa/drivers/dri/common/dri_util.h
@@ -422,6 +422,11 @@ struct __DRIcontextRec {
      * The loaders's private context data.  This structure is opaque.
      */
     void *loaderPrivate;
+
+    struct {
+	int draw_stamp;
+	int read_stamp;
+    } dri2;
 };
 
 /**