Index: cc/surfaces/compositor_frame_sink_support.h |
diff --git a/cc/surfaces/compositor_frame_sink_support.h b/cc/surfaces/compositor_frame_sink_support.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..1d89554e025567337fc70b2f21464bccc4c1b434 |
--- /dev/null |
+++ b/cc/surfaces/compositor_frame_sink_support.h |
@@ -0,0 +1,104 @@ |
+// Copyright 2016 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef CC_SURFACES_COMPOSITOR_FRAME_SINK_SUPPORT_H_ |
+#define CC_SURFACES_COMPOSITOR_FRAME_SINK_SUPPORT_H_ |
+ |
+#include "base/compiler_specific.h" |
+#include "base/memory/weak_ptr.h" |
+#include "cc/output/compositor_frame.h" |
+#include "cc/scheduler/begin_frame_source.h" |
+#include "cc/surfaces/display.h" |
+#include "cc/surfaces/display_client.h" |
+#include "cc/surfaces/surface_factory.h" |
+#include "cc/surfaces/surface_factory_client.h" |
+#include "cc/surfaces/surfaces_export.h" |
+ |
+namespace cc { |
+ |
+class CompositorFrameSinkSupportClient; |
+class Display; |
+class SurfaceManager; |
+ |
+class CC_SURFACES_EXPORT CompositorFrameSinkSupport |
+ : public NON_EXPORTED_BASE(DisplayClient), |
+ public SurfaceFactoryClient, |
+ public BeginFrameObserver { |
+ public: |
+ CompositorFrameSinkSupport(CompositorFrameSinkSupportClient* client, |
+ SurfaceManager* surface_manager, |
+ const FrameSinkId& frame_sink_id, |
+ std::unique_ptr<Display> display); |
+ |
+ ~CompositorFrameSinkSupport() override; |
+ |
+ const FrameSinkId& frame_sink_id() const { return frame_sink_id_; } |
+ |
+ void EvictFrame(); |
+ void SetNeedsBeginFrame(bool needs_begin_frame); |
+ void SubmitCompositorFrame(const LocalFrameId& local_frame_id, |
+ CompositorFrame frame); |
+ void AddChildFrameSink(const FrameSinkId& child_frame_sink_id); |
+ void RemoveChildFrameSink(const FrameSinkId& child_frame_sink_id); |
+ |
+ private: |
+ void DidReceiveCompositorFrameAck(); |
+ |
+ // DisplayClient implementation. |
+ void DisplayOutputSurfaceLost() override; |
+ void DisplayWillDrawAndSwap(bool will_draw_and_swap, |
+ const RenderPassList& render_passes) override; |
+ void DisplayDidDrawAndSwap() override; |
+ |
+ // SurfaceFactoryClient implementation. |
+ void ReturnResources(const ReturnedResourceArray& resources) override; |
+ void SetBeginFrameSource(BeginFrameSource* begin_frame_source) override; |
+ void WillDrawSurface(const LocalFrameId& local_frame_id, |
+ const gfx::Rect& damage_rect) override; |
+ |
+ // BeginFrameObserver implementation. |
+ void OnBeginFrame(const BeginFrameArgs& args) override; |
+ const BeginFrameArgs& LastUsedBeginFrameArgs() const override; |
+ void OnBeginFrameSourcePausedChanged(bool paused) override; |
+ |
+ void UpdateNeedsBeginFramesInternal(); |
+ |
+ CompositorFrameSinkSupportClient* const client_; |
+ |
+ SurfaceManager* const surface_manager_; |
+ |
+ const FrameSinkId frame_sink_id_; |
+ |
+ // GpuCompositorFrameSink holds a Display if it created with |
+ // non-null gpu::SurfaceHandle. In the window server, the display root |
+ // window's CompositorFrameSink will have a valid gpu::SurfaceHandle. |
+ std::unique_ptr<Display> display_; |
+ |
+ LocalFrameId local_frame_id_; |
+ SurfaceFactory surface_factory_; |
+ // Counts the number of CompositorFrames that have been submitted and have not |
+ // yet received an ACK. |
+ int ack_pending_count_ = 0; |
+ ReturnedResourceArray surface_returned_resources_; |
+ |
+ // The begin frame source being observered. Null if none. |
+ BeginFrameSource* begin_frame_source_ = nullptr; |
+ |
+ // The last begin frame args generated by the begin frame source. |
+ BeginFrameArgs last_begin_frame_args_; |
+ |
+ // Whether a request for begin frames has been issued. |
+ bool needs_begin_frame_ = false; |
+ |
+ // Whether or not a frame observer has been added. |
+ bool added_frame_observer_ = false; |
+ |
+ base::WeakPtrFactory<CompositorFrameSinkSupport> weak_factory_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(CompositorFrameSinkSupport); |
+}; |
+ |
+} // namespace cc |
+ |
+#endif // CC_SURFACES_COMPOSITOR_FRAME_SINK_SUPPORT_H_ |