| 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_--;
|
|
|