Merge remote-tracking branch 'origin/released'

* origin/released:
  xserver mesa git update 21 nov 2013

1 files changed, 28 insertions, 1 deletions

diff --git a/xorg-server/present/present_fence.c b/xorg-server/present/present_fence.c
index 99855ee57..8be32e1a7 100644
--- a/xorg-server/present/present_fence.c
+++ b/xorg-server/present/present_fence.c
@@ -37,6 +37,8 @@
 struct present_fence {
     SyncTrigger         trigger;
     SyncFence           *fence;
+    void                (*callback)(void *param);
+    void                *param;
 };
 
 /*
@@ -45,12 +47,18 @@ struct present_fence {
 static Bool
 present_fence_sync_check_trigger(SyncTrigger *trigger, XSyncValue oldval)
 {
-    return FALSE;
+    struct present_fence        *present_fence = container_of(trigger, struct present_fence, trigger);
+
+    return present_fence->callback != NULL;
 }
 
 static void
 present_fence_sync_trigger_fired(SyncTrigger *trigger)
 {
+    struct present_fence        *present_fence = container_of(trigger, struct present_fence, trigger);
+
+    if (present_fence->callback)
+        (*present_fence->callback)(present_fence->param);
 }
 
 static void
@@ -101,6 +109,25 @@ present_fence_set_triggered(struct present_fence *present_fence)
             (*present_fence->fence->funcs.SetTriggered) (present_fence->fence);
 }
 
+Bool
+present_fence_check_triggered(struct present_fence *present_fence)
+{
+    if (!present_fence)
+        return TRUE;
+    if (!present_fence->fence)
+        return TRUE;
+    return (*present_fence->fence->funcs.CheckTriggered)(present_fence->fence);
+}
+
+void
+present_fence_set_callback(struct present_fence *present_fence,
+                           void (*callback) (void *param),
+                           void *param)
+{
+    present_fence->callback = callback;
+    present_fence->param = param;
+}
+
 XID
 present_fence_id(struct present_fence *present_fence)
 {