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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 GPU_COMMAND_BUFFER_COMMON_COMMAND_BUFFER_H_ | 5 #ifndef GPU_COMMAND_BUFFER_COMMON_COMMAND_BUFFER_H_ |
6 #define GPU_COMMAND_BUFFER_COMMON_COMMAND_BUFFER_H_ | 6 #define GPU_COMMAND_BUFFER_COMMON_COMMAND_BUFFER_H_ |
7 | 7 |
8 #include "gpu/command_buffer/common/buffer.h" | 8 #include "gpu/command_buffer/common/buffer.h" |
9 #include "gpu/command_buffer/common/constants.h" | 9 #include "gpu/command_buffer/common/constants.h" |
10 #include "gpu/gpu_export.h" | 10 #include "gpu/gpu_export.h" |
11 | 11 |
12 namespace base { | 12 namespace base { |
13 class SharedMemory; | 13 class SharedMemory; |
14 } | 14 } |
15 | 15 |
16 namespace gfx { | |
17 class GLImage; | |
18 class GpuMemoryBuffer; | |
19 } | |
20 | |
16 namespace gpu { | 21 namespace gpu { |
17 | 22 |
18 // Common interface for CommandBuffer implementations. | 23 // Common interface for CommandBuffer implementations. |
19 class GPU_EXPORT CommandBuffer { | 24 class GPU_EXPORT CommandBuffer { |
20 public: | 25 public: |
21 struct State { | 26 struct State { |
22 State() | 27 State() |
23 : num_entries(0), | 28 : num_entries(0), |
24 get_offset(0), | 29 get_offset(0), |
25 put_offset(0), | 30 put_offset(0), |
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134 // RendererGLContext::MakeCurrent prior to every GL call. It saves returning 6 | 139 // RendererGLContext::MakeCurrent prior to every GL call. It saves returning 6 |
135 // ints redundantly when only the error is needed for the CommandBufferProxy | 140 // ints redundantly when only the error is needed for the CommandBufferProxy |
136 // implementation. | 141 // implementation. |
137 virtual error::Error GetLastError(); | 142 virtual error::Error GetLastError(); |
138 #endif | 143 #endif |
139 | 144 |
140 // Inserts a sync point, returning its ID. Sync point IDs are global and can | 145 // Inserts a sync point, returning its ID. Sync point IDs are global and can |
141 // be used for cross-context synchronization. | 146 // be used for cross-context synchronization. |
142 virtual uint32 InsertSyncPoint() = 0; | 147 virtual uint32 InsertSyncPoint() = 0; |
143 | 148 |
149 // Create a gpu memory buffer of the given dimensions and format. Returns | |
kaanb
2013/07/31 23:44:05
optional: I prefer using third-person in comments,
reveman
2013/08/01 13:32:18
I prefer to keep it consistent with CreateTransfer
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150 // its ID or -1 on error. | |
151 virtual gfx::GpuMemoryBuffer* CreateGpuMemoryBuffer( | |
piman
2013/08/01 21:19:30
I would prefer if we didn't load up CommandBuffer
no sievers
2013/08/01 21:30:04
Or can it just go through GpuCommandBufferStub?
We
reveman
2013/08/08 23:19:00
I've limited the CommandBuffer changes to adding C
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152 size_t width, | |
153 size_t height, | |
154 unsigned internalformat, | |
155 int32* id) = 0; | |
156 | |
157 // Destroy a gpu memory buffer. The ID must be positive. | |
158 virtual void DestroyGpuMemoryBuffer(int32 id) = 0; | |
159 | |
160 // Get the image associated with an ID. Returns a null image for ID 0. | |
161 virtual gfx::GLImage* GetImage(int32 id) = 0; | |
162 | |
144 private: | 163 private: |
145 DISALLOW_COPY_AND_ASSIGN(CommandBuffer); | 164 DISALLOW_COPY_AND_ASSIGN(CommandBuffer); |
146 }; | 165 }; |
147 | 166 |
148 } // namespace gpu | 167 } // namespace gpu |
149 | 168 |
150 #endif // GPU_COMMAND_BUFFER_COMMON_COMMAND_BUFFER_H_ | 169 #endif // GPU_COMMAND_BUFFER_COMMON_COMMAND_BUFFER_H_ |
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