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1 // Copyright 2016 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef BLIMP_CLIENT_CORE_COMPOSITOR_DELEGATED_OUTPUT_SURFACE_H_ | |
6 #define BLIMP_CLIENT_CORE_COMPOSITOR_DELEGATED_OUTPUT_SURFACE_H_ | |
7 | |
8 #include <memory> | |
9 | |
10 #include "base/macros.h" | |
11 #include "base/memory/weak_ptr.h" | |
12 #include "blimp/client/core/compositor/blimp_output_surface.h" | |
13 #include "cc/output/output_surface.h" | |
14 | |
15 namespace base { | |
16 class SingleThreadTaskRunner; | |
17 } // namespace base | |
18 | |
19 namespace cc { | |
20 class BeginFrameSource; | |
21 class ContextProvider; | |
22 } // namespace cc | |
23 | |
24 namespace blimp { | |
25 namespace client { | |
26 | |
27 // This class is created on the main thread, but then becomes bound to the | |
28 // compositor thread and will be destroyed there (soon, crbug.com/640730). | |
29 class DelegatedOutputSurface : public cc::OutputSurface, | |
30 public BlimpOutputSurface { | |
31 public: | |
32 DelegatedOutputSurface( | |
33 scoped_refptr<cc::ContextProvider> compositor_context_provider, | |
34 scoped_refptr<cc::ContextProvider> worker_context_provider, | |
35 scoped_refptr<base::SingleThreadTaskRunner> main_task_runner, | |
36 base::WeakPtr<BlimpOutputSurfaceClient> client); | |
37 | |
38 ~DelegatedOutputSurface() override; | |
39 | |
40 // cc::OutputSurface implementation. | |
41 uint32_t GetFramebufferCopyTextureFormat() override; | |
42 bool BindToClient(cc::OutputSurfaceClient* client) override; | |
43 void SwapBuffers(cc::CompositorFrame frame) override; | |
44 void DetachFromClient() override; | |
45 | |
46 // BlimpOutputSurface implementation. | |
47 void ReclaimCompositorResources( | |
48 const cc::ReturnedResourceArray& resources) override; | |
49 | |
50 private: | |
51 scoped_refptr<base::SingleThreadTaskRunner> main_task_runner_; | |
52 base::WeakPtr<BlimpOutputSurfaceClient> blimp_client_; | |
53 | |
54 bool bound_to_client_; | |
55 | |
56 // This OutputSurface is responsible for providing the BeginFrameSource to | |
57 // drive frame creation. This will be built on the compositor impl thread at | |
58 // BindToClient call time. | |
59 std::unique_ptr<cc::BeginFrameSource> begin_frame_source_; | |
60 | |
61 base::WeakPtrFactory<DelegatedOutputSurface> weak_factory_; | |
62 | |
63 DISALLOW_COPY_AND_ASSIGN(DelegatedOutputSurface); | |
64 }; | |
65 | |
66 } // namespace client | |
67 } // namespace blimp | |
68 | |
69 #endif // BLIMP_CLIENT_CORE_COMPOSITOR_DELEGATED_OUTPUT_SURFACE_H_ | |
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