Index: components/exo/exo_compositor_frame_sink.h |
diff --git a/components/exo/exo_compositor_frame_sink.h b/components/exo/exo_compositor_frame_sink.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..a263de4702e90781fc3ae2138c8fca73cee3c84c |
--- /dev/null |
+++ b/components/exo/exo_compositor_frame_sink.h |
@@ -0,0 +1,94 @@ |
+// Copyright 2016 The Chromium Authors. All rights reserved. |
reveman
2016/11/16 03:48:38
Why does this need to be in a new file when it's o
|
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include <list> |
+#include <memory> |
+#include <set> |
+#include <utility> |
+ |
+#include "base/callback.h" |
+#include "base/macros.h" |
+#include "base/memory/ref_counted.h" |
+#include "base/memory/weak_ptr.h" |
+#include "base/observer_list.h" |
+#include "cc/ipc/compositor_frame.mojom.h" |
+#include "cc/ipc/mojo_compositor_frame_sink.mojom.h" |
+#include "cc/resources/transferable_resource.h" |
+#include "cc/scheduler/begin_frame_source.h" |
+#include "cc/surfaces/surface_factory.h" |
+#include "cc/surfaces/surface_factory_client.h" |
+#include "cc/surfaces/surface_id_allocator.h" |
+#include "mojo/public/cpp/bindings/binding.h" |
+#include "third_party/skia/include/core/SkRegion.h" |
+#include "third_party/skia/include/core/SkXfermode.h" |
+#include "ui/aura/window.h" |
+#include "ui/aura/window_observer.h" |
+#include "ui/gfx/geometry/rect.h" |
+ |
+namespace cc { |
+class SurfaceFactory; |
+} |
+ |
+namespace exo { |
+ |
+// This class owns the SurfaceFactory and keeps track of references to the |
+// contents of Buffers. It's keeped alive by references from |
+// release_callbacks_. It's destroyed when its owning Surface is destroyed and |
+// the last outstanding release callback is called. |
+class ExoCompositorFrameSink : public base::RefCounted<ExoCompositorFrameSink>, |
reveman
2016/11/16 03:48:38
Exo is typically not used as a prefix inside the e
|
+ public cc::SurfaceFactoryClient, |
+ public cc::BeginFrameObserver { |
+ public: |
+ ExoCompositorFrameSink(const cc::FrameSinkId& frame_sink_id, |
+ cc::SurfaceManager* surface_manager); |
+ |
+ // cc::SurfaceFactoryClient: |
+ void ReturnResources(const cc::ReturnedResourceArray& resources) override; |
+ void WillDrawSurface(const cc::LocalFrameId& id, |
+ const gfx::Rect& damage_rect) override; |
+ void SetBeginFrameSource(cc::BeginFrameSource* begin_frame_source) override; |
+ |
+ // To be cc::mojom::MojoCompositorFrameSink: |
+ void SubmitCompositorFrame(cc::CompositorFrame frame); |
+ |
+ // cc::BeginFrameObserver: |
+ void OnBeginFrame(const cc::BeginFrameArgs& args) override; |
+ const cc::BeginFrameArgs& LastUsedBeginFrameArgs() const override; |
+ void OnBeginFrameSourcePausedChanged(bool paused) override; |
+ |
+ const cc::FrameSinkId& frame_sink_id() { return frame_sink_id_; } |
Fady Samuel
2016/11/15 23:19:46
nit: do you need this?
Alex Z.
2016/11/16 14:55:46
Done.
|
+ cc::SurfaceManager* surface_manager() { return surface_manager_; } |
Fady Samuel
2016/11/15 23:19:46
nit: do you need this?
Alex Z.
2016/11/16 14:55:46
Yes. In CommitSurfaceHierarchy(), the SurfaceManag
|
+ |
+ private: |
+ friend class base::RefCounted<ExoCompositorFrameSink>; |
+ friend class Surface; |
+ |
+ ~ExoCompositorFrameSink() override; |
+ void UpdateNeedsBeginFrameInternal(); |
+ void DidRecieveCompositorFrameAck(); |
+ |
+ std::map<int, |
+ std::pair<scoped_refptr<ExoCompositorFrameSink>, |
+ std::unique_ptr<cc::SingleReleaseCallback>>> |
+ release_callbacks_; |
Fady Samuel
2016/11/15 23:19:46
What is this for?
Alex Z.
2016/11/16 14:55:46
I don't fully understand this part, but it seems t
|
+ cc::FrameSinkId frame_sink_id_; |
Fady Samuel
2016/11/15 23:19:46
Mark as const.
Alex Z.
2016/11/23 14:25:03
Done.
|
+ cc::LocalFrameId local_frame_id_; |
+ cc::SurfaceIdAllocator id_allocator_; |
+ |
+ cc::SurfaceManager* surface_manager_; |
+ cc::SurfaceFactory surface_factory_; |
+ |
+ int ack_pending_count_ = 0; |
+ |
+ cc::BeginFrameSource* begin_frame_source_ = nullptr; |
+ |
+ gfx::Size last_submitted_frame_size_; |
+ |
+ cc::BeginFrameArgs last_begin_frame_args_; |
+ |
+ bool needs_begin_frame_ = false; |
+ bool added_frame_observer_ = false; |
+}; |
+ |
+} // namespace exo |