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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_RENDERER_GPU_COMPOSITOR_SOFTWARE_OUTPUT_DEVICE_H_ | 5 #ifndef CONTENT_RENDERER_GPU_COMPOSITOR_SOFTWARE_OUTPUT_DEVICE_H_ |
6 #define CONTENT_RENDERER_GPU_COMPOSITOR_SOFTWARE_OUTPUT_DEVICE_H_ | 6 #define CONTENT_RENDERER_GPU_COMPOSITOR_SOFTWARE_OUTPUT_DEVICE_H_ |
7 | 7 |
8 #include "base/memory/scoped_ptr.h" | 8 #include "base/memory/scoped_ptr.h" |
9 #include "base/memory/scoped_vector.h" | 9 #include "base/memory/scoped_vector.h" |
10 #include "base/memory/shared_memory.h" | 10 #include "base/memory/shared_memory.h" |
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24 | 24 |
25 // This class can be created only on the main thread, but then becomes pinned | 25 // This class can be created only on the main thread, but then becomes pinned |
26 // to a fixed thread when BindToClient is called. | 26 // to a fixed thread when BindToClient is called. |
27 class CompositorSoftwareOutputDevice | 27 class CompositorSoftwareOutputDevice |
28 : NON_EXPORTED_BASE(public cc::SoftwareOutputDevice), | 28 : NON_EXPORTED_BASE(public cc::SoftwareOutputDevice), |
29 NON_EXPORTED_BASE(public base::NonThreadSafe) { | 29 NON_EXPORTED_BASE(public base::NonThreadSafe) { |
30 public: | 30 public: |
31 CompositorSoftwareOutputDevice(); | 31 CompositorSoftwareOutputDevice(); |
32 virtual ~CompositorSoftwareOutputDevice(); | 32 virtual ~CompositorSoftwareOutputDevice(); |
33 | 33 |
34 virtual void Resize(const gfx::Size& pixel_size, float scale_factor) OVERRIDE; | 34 virtual void Resize(const gfx::Size& pixel_size, float scale_factor) override; |
35 | 35 |
36 virtual SkCanvas* BeginPaint(const gfx::Rect& damage_rect) OVERRIDE; | 36 virtual SkCanvas* BeginPaint(const gfx::Rect& damage_rect) override; |
37 virtual void EndPaint(cc::SoftwareFrameData* frame_data) OVERRIDE; | 37 virtual void EndPaint(cc::SoftwareFrameData* frame_data) override; |
38 virtual void EnsureBackbuffer() OVERRIDE; | 38 virtual void EnsureBackbuffer() override; |
39 virtual void DiscardBackbuffer() OVERRIDE; | 39 virtual void DiscardBackbuffer() override; |
40 | 40 |
41 virtual void ReclaimSoftwareFrame(unsigned id) OVERRIDE; | 41 virtual void ReclaimSoftwareFrame(unsigned id) override; |
42 | 42 |
43 private: | 43 private: |
44 // Internal buffer class that manages shared memory lifetime and ownership. | 44 // Internal buffer class that manages shared memory lifetime and ownership. |
45 // It also tracks buffers' history so we can calculate what's the minimum | 45 // It also tracks buffers' history so we can calculate what's the minimum |
46 // damage rect difference between any two given buffers (see SetParent and | 46 // damage rect difference between any two given buffers (see SetParent and |
47 // FindDamageDifferenceFrom). | 47 // FindDamageDifferenceFrom). |
48 class Buffer { | 48 class Buffer { |
49 public: | 49 public: |
50 explicit Buffer(unsigned id, scoped_ptr<cc::SharedBitmap> bitmap); | 50 explicit Buffer(unsigned id, scoped_ptr<cc::SharedBitmap> bitmap); |
51 ~Buffer(); | 51 ~Buffer(); |
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92 size_t current_index_; | 92 size_t current_index_; |
93 unsigned next_buffer_id_; | 93 unsigned next_buffer_id_; |
94 ScopedVector<Buffer> buffers_; | 94 ScopedVector<Buffer> buffers_; |
95 ScopedVector<Buffer> awaiting_ack_; | 95 ScopedVector<Buffer> awaiting_ack_; |
96 cc::SharedBitmapManager* shared_bitmap_manager_; | 96 cc::SharedBitmapManager* shared_bitmap_manager_; |
97 }; | 97 }; |
98 | 98 |
99 } // namespace content | 99 } // namespace content |
100 | 100 |
101 #endif // CONTENT_RENDERER_GPU_COMPOSITOR_SOFTWARE_OUTPUT_DEVICE_H_ | 101 #endif // CONTENT_RENDERER_GPU_COMPOSITOR_SOFTWARE_OUTPUT_DEVICE_H_ |
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