Index: cc/surfaces/compositor_frame_sink_support.cc |
diff --git a/cc/surfaces/compositor_frame_sink_support.cc b/cc/surfaces/compositor_frame_sink_support.cc |
index 011d9a091583d27ac07bb3598771baae74a3fc0a..1bcc64d7c9b73ba36296965c726ba22c99bef916 100644 |
--- a/cc/surfaces/compositor_frame_sink_support.cc |
+++ b/cc/surfaces/compositor_frame_sink_support.cc |
@@ -8,6 +8,7 @@ |
#include "cc/scheduler/begin_frame_source.h" |
#include "cc/surfaces/compositor_frame_sink_support_client.h" |
#include "cc/surfaces/display.h" |
+#include "cc/surfaces/surface.h" |
#include "cc/surfaces/surface_manager.h" |
namespace cc { |
@@ -78,6 +79,23 @@ void CompositorFrameSinkSupport::SubmitCompositorFrame( |
} |
} |
+void CompositorFrameSinkSupport::Require(const LocalFrameId& local_frame_id, |
+ const SurfaceSequence& sequence) { |
+ Surface* surface = surface_manager_->GetSurfaceForId( |
+ SurfaceId(frame_sink_id_, local_frame_id_)); |
+ |
+ // If this fails then that implies that a client is trying to reference a |
+ // surface that no longer exists. This could result in flicker or missing |
+ // components of UI. |
+ DCHECK(surface); |
+ surface->AddDestructionDependency(sequence); |
+} |
+ |
+void CompositorFrameSinkSupport::Satisfy(const SurfaceSequence& sequence) { |
+ std::vector<uint32_t> sequences = {sequence.sequence}; |
+ surface_manager_->DidSatisfySequences(frame_sink_id_, &sequences); |
+} |
+ |
void CompositorFrameSinkSupport::DidReceiveCompositorFrameAck() { |
DCHECK_GT(ack_pending_count_, 0); |
ack_pending_count_--; |