Index: blimp/client/core/compositor/blimp_compositor_frame_sink_proxy.h |
diff --git a/blimp/client/core/compositor/blimp_compositor_frame_sink_proxy.h b/blimp/client/core/compositor/blimp_compositor_frame_sink_proxy.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..ab995c2913d72d55a7a481de9030acdbc41db75c |
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+++ b/blimp/client/core/compositor/blimp_compositor_frame_sink_proxy.h |
@@ -0,0 +1,56 @@ |
+// 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 BLIMP_CLIENT_CORE_COMPOSITOR_BLIMP_COMPOSITOR_FRAME_SINK_PROXY_H_ |
+#define BLIMP_CLIENT_CORE_COMPOSITOR_BLIMP_COMPOSITOR_FRAME_SINK_PROXY_H_ |
+ |
+#include "base/macros.h" |
+#include "base/memory/weak_ptr.h" |
+#include "cc/resources/returned_resource.h" |
+ |
+namespace cc { |
+class CompositorFrame; |
+} |
+ |
+namespace blimp { |
+namespace client { |
+ |
+class BlimpCompositorFrameSinkProxyClient { |
+ public: |
+ virtual ~BlimpCompositorFrameSinkProxyClient() {} |
+ |
+ // Sent when the compositor can reclaim the |resources| references in a |
+ // compositor frame. |
+ virtual void ReclaimCompositorResources( |
+ const cc::ReturnedResourceArray& resources) = 0; |
+}; |
+ |
+// This class is meant to bounce CompositorFrames from the compositor thread's |
+// CompositorFrameSink to the main thread. As such, it should be used on the |
+// main thread only. |
+class BlimpCompositorFrameSinkProxy { |
+ public: |
+ virtual ~BlimpCompositorFrameSinkProxy() {} |
+ |
+ // Will be called before any frames are sent to the client. The weak ptr |
+ // provided here can be used to post messages to the CompositorFrameSink on |
+ // the compositor thread. |
+ virtual void BindToProxyClient( |
+ base::WeakPtr<BlimpCompositorFrameSinkProxyClient> client) = 0; |
+ |
+ // The implementation should take the contents of the compositor frame and |
+ // return the referenced resources when the frame is no longer being drawn |
+ // using BlimpCompositorFrameSinkProxyClient::ReclaimCompositorResources. |
+ virtual void SwapCompositorFrame(cc::CompositorFrame frame) = 0; |
+ |
+ // Will be called when the use of the CompositorFrameSink is being terminated. |
+ // No calls from this output surface will be made to the client after this |
+ // point. |
+ virtual void UnbindProxyClient() = 0; |
+}; |
+ |
+} // namespace client |
+} // namespace blimp |
+ |
+#endif // BLIMP_CLIENT_CORE_COMPOSITOR_BLIMP_COMPOSITOR_FRAME_SINK_PROXY_H_ |