2 files changed, 4 insertions, 4 deletions
diff --git a/src/gallium/state_trackers/glx/xlib/xm_api.c b/src/gallium/state_trackers/glx/xlib/xm_api.c
index ab4f6753e11..1be6dd910b8 100644
--- a/src/gallium/state_trackers/glx/xlib/xm_api.c
+++ b/src/gallium/state_trackers/glx/xlib/xm_api.c
@@ -59,6 +59,7 @@
 #include "pipe/p_defines.h"
 #include "pipe/p_screen.h"
 #include "pipe/p_context.h"
+#include "util/u_atomic.h"
 
 #include "xm_public.h"
 #include <GL/glx.h>
@@ -1113,10 +1114,7 @@ XMesaDestroyBuffer(XMesaBuffer b)
 void
 xmesa_notify_invalid_buffer(XMesaBuffer b)
 {
-   XMesaContext xmctx = XMesaGetCurrentContext();
-
-   if (xmctx && xmctx->xm_buffer == b)
-      xmctx->st->notify_invalid_framebuffer(xmctx->st, b->stfb);
+   p_atomic_inc(&b->stfb->stamp);
 }
 
 
diff --git a/src/gallium/state_trackers/glx/xlib/xm_st.c b/src/gallium/state_trackers/glx/xlib/xm_st.c
index 6bfe8b0788c..ec3f531f7df 100644
--- a/src/gallium/state_trackers/glx/xlib/xm_st.c
+++ b/src/gallium/state_trackers/glx/xlib/xm_st.c
@@ -30,6 +30,7 @@
 #include "xm_st.h"
 
 #include "util/u_inlines.h"
+#include "util/u_atomic.h"
 
 struct xmesa_st_framebuffer {
    XMesaDisplay display;
@@ -302,6 +303,7 @@ xmesa_create_st_framebuffer(XMesaDisplay xmdpy, XMesaBuffer b)
    stfbi->visual = &xstfb->stvis;
    stfbi->flush_front = xmesa_st_framebuffer_flush_front;
    stfbi->validate = xmesa_st_framebuffer_validate;
+   p_atomic_set(&stfbi->stamp, 1);
    stfbi->st_manager_private = (void *) xstfb;
 
    return stfbi;