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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_SERVICE_COMMAND_BUFFER_SERVICE_H_ | 5 #ifndef GPU_COMMAND_BUFFER_SERVICE_COMMAND_BUFFER_SERVICE_H_ |
6 #define GPU_COMMAND_BUFFER_SERVICE_COMMAND_BUFFER_SERVICE_H_ | 6 #define GPU_COMMAND_BUFFER_SERVICE_COMMAND_BUFFER_SERVICE_H_ |
7 | 7 |
8 #include <map> | |
9 | |
8 #include "base/callback.h" | 10 #include "base/callback.h" |
9 #include "base/memory/shared_memory.h" | 11 #include "base/memory/shared_memory.h" |
10 #include "gpu/command_buffer/common/command_buffer.h" | 12 #include "gpu/command_buffer/common/command_buffer.h" |
11 #include "gpu/command_buffer/common/command_buffer_shared.h" | 13 #include "gpu/command_buffer/common/command_buffer_shared.h" |
14 #include "ui/gfx/gpu_memory_buffer.h" | |
12 | 15 |
13 namespace gpu { | 16 namespace gpu { |
17 class GpuMemoryBufferFactory; | |
18 class TransferBufferManagerInterface; | |
14 | 19 |
15 class TransferBufferManagerInterface; | 20 namespace gles2 { |
21 class ImageManager; | |
22 } | |
16 | 23 |
17 // An object that implements a shared memory command buffer and a synchronous | 24 // An object that implements a shared memory command buffer and a synchronous |
18 // API to manage the put and get pointers. | 25 // API to manage the put and get pointers. |
19 class GPU_EXPORT CommandBufferService : public CommandBuffer { | 26 class GPU_EXPORT CommandBufferService : public CommandBuffer { |
20 public: | 27 public: |
21 typedef base::Callback<bool(int32)> GetBufferChangedCallback; | 28 typedef base::Callback<bool(int32)> GetBufferChangedCallback; |
22 explicit CommandBufferService( | 29 CommandBufferService( |
23 TransferBufferManagerInterface* transfer_buffer_manager); | 30 TransferBufferManagerInterface* transfer_buffer_manager, |
31 gles2::ImageManager* image_manager, | |
32 GpuMemoryBufferFactory* gpu_memory_buffer_factory); | |
24 virtual ~CommandBufferService(); | 33 virtual ~CommandBufferService(); |
25 | 34 |
26 // CommandBuffer implementation: | 35 // CommandBuffer implementation: |
27 virtual bool Initialize() OVERRIDE; | 36 virtual bool Initialize() OVERRIDE; |
28 virtual State GetState() OVERRIDE; | 37 virtual State GetState() OVERRIDE; |
29 virtual State GetLastState() OVERRIDE; | 38 virtual State GetLastState() OVERRIDE; |
30 virtual int32 GetLastToken() OVERRIDE; | 39 virtual int32 GetLastToken() OVERRIDE; |
31 virtual void Flush(int32 put_offset) OVERRIDE; | 40 virtual void Flush(int32 put_offset) OVERRIDE; |
32 virtual State FlushSync(int32 put_offset, int32 last_known_get) OVERRIDE; | 41 virtual State FlushSync(int32 put_offset, int32 last_known_get) OVERRIDE; |
33 virtual void SetGetBuffer(int32 transfer_buffer_id) OVERRIDE; | 42 virtual void SetGetBuffer(int32 transfer_buffer_id) OVERRIDE; |
34 virtual void SetGetOffset(int32 get_offset) OVERRIDE; | 43 virtual void SetGetOffset(int32 get_offset) OVERRIDE; |
35 virtual Buffer CreateTransferBuffer(size_t size, int32* id) OVERRIDE; | 44 virtual Buffer CreateTransferBuffer(size_t size, int32* id) OVERRIDE; |
36 virtual void DestroyTransferBuffer(int32 id) OVERRIDE; | 45 virtual void DestroyTransferBuffer(int32 id) OVERRIDE; |
37 virtual Buffer GetTransferBuffer(int32 id) OVERRIDE; | 46 virtual Buffer GetTransferBuffer(int32 id) OVERRIDE; |
38 virtual void SetToken(int32 token) OVERRIDE; | 47 virtual void SetToken(int32 token) OVERRIDE; |
39 virtual void SetParseError(error::Error error) OVERRIDE; | 48 virtual void SetParseError(error::Error error) OVERRIDE; |
40 virtual void SetContextLostReason(error::ContextLostReason) OVERRIDE; | 49 virtual void SetContextLostReason(error::ContextLostReason) OVERRIDE; |
41 virtual uint32 InsertSyncPoint() OVERRIDE; | 50 virtual uint32 InsertSyncPoint() OVERRIDE; |
51 virtual gfx::GpuMemoryBuffer* CreateGpuMemoryBuffer( | |
52 size_t width, | |
53 size_t height, | |
54 unsigned internalformat, | |
55 int32* id) OVERRIDE; | |
56 virtual void DestroyGpuMemoryBuffer(int32 id) OVERRIDE; | |
42 | 57 |
43 // Sets a callback that is called whenever the put offset is changed. When | 58 // Sets a callback that is called whenever the put offset is changed. When |
44 // called with sync==true, the callback must not return until some progress | 59 // called with sync==true, the callback must not return until some progress |
45 // has been made (unless the command buffer is empty), i.e. the get offset | 60 // has been made (unless the command buffer is empty), i.e. the get offset |
46 // must have changed. It need not process the entire command buffer though. | 61 // must have changed. It need not process the entire command buffer though. |
47 // This allows concurrency between the writer and the reader while giving the | 62 // This allows concurrency between the writer and the reader while giving the |
48 // writer a means of waiting for the reader to make some progress before | 63 // writer a means of waiting for the reader to make some progress before |
49 // attempting to write more to the command buffer. Takes ownership of | 64 // attempting to write more to the command buffer. Takes ownership of |
50 // callback. | 65 // callback. |
51 virtual void SetPutOffsetChangeCallback(const base::Closure& callback); | 66 virtual void SetPutOffsetChangeCallback(const base::Closure& callback); |
52 // Sets a callback that is called whenever the get buffer is changed. | 67 // Sets a callback that is called whenever the get buffer is changed. |
53 virtual void SetGetBufferChangeCallback( | 68 virtual void SetGetBufferChangeCallback( |
54 const GetBufferChangedCallback& callback); | 69 const GetBufferChangedCallback& callback); |
55 virtual void SetParseErrorCallback(const base::Closure& callback); | 70 virtual void SetParseErrorCallback(const base::Closure& callback); |
56 | 71 |
57 // Setup the shared memory that shared state should be copied into. | 72 // Setup the shared memory that shared state should be copied into. |
58 bool SetSharedStateBuffer(scoped_ptr<base::SharedMemory> shared_state_shm); | 73 bool SetSharedStateBuffer(scoped_ptr<base::SharedMemory> shared_state_shm); |
59 | 74 |
60 // Copy the current state into the shared state transfer buffer. | 75 // Copy the current state into the shared state transfer buffer. |
61 void UpdateState(); | 76 void UpdateState(); |
62 | 77 |
63 // Register an existing shared memory object and get an ID that can be used | 78 // Register an existing shared memory object and get an ID that can be used |
64 // to identify it in the command buffer. Callee dups the handle until | 79 // to identify it in the command buffer. Callee dups the handle until |
65 // DestroyTransferBuffer is called. | 80 // DestroyTransferBuffer is called. |
66 bool RegisterTransferBuffer(int32 id, | 81 bool RegisterTransferBuffer(int32 id, |
67 base::SharedMemory* shared_memory, | 82 base::SharedMemory* shared_memory, |
68 size_t size); | 83 size_t size); |
69 | 84 |
85 // Register an existing gpu memory buffer and get an ID that can be used | |
kaanb
2013/07/24 03:31:23
nit: s/Registers/Register/
reveman
2013/07/24 05:47:12
It describes what the function is used for and not
| |
86 // to identify it in the command buffer. | |
87 bool RegisterGpuMemoryBuffer(int32 id, | |
88 gfx::GpuMemoryBufferHandle buffer, | |
89 size_t width, | |
90 size_t height, | |
91 unsigned internalformat); | |
92 | |
70 private: | 93 private: |
71 int32 ring_buffer_id_; | 94 int32 ring_buffer_id_; |
72 Buffer ring_buffer_; | 95 Buffer ring_buffer_; |
73 scoped_ptr<base::SharedMemory> shared_state_shm_; | 96 scoped_ptr<base::SharedMemory> shared_state_shm_; |
74 CommandBufferSharedState* shared_state_; | 97 CommandBufferSharedState* shared_state_; |
75 int32 num_entries_; | 98 int32 num_entries_; |
76 int32 get_offset_; | 99 int32 get_offset_; |
77 int32 put_offset_; | 100 int32 put_offset_; |
78 base::Closure put_offset_change_callback_; | 101 base::Closure put_offset_change_callback_; |
79 GetBufferChangedCallback get_buffer_change_callback_; | 102 GetBufferChangedCallback get_buffer_change_callback_; |
80 base::Closure parse_error_callback_; | 103 base::Closure parse_error_callback_; |
81 TransferBufferManagerInterface* transfer_buffer_manager_; | 104 TransferBufferManagerInterface* transfer_buffer_manager_; |
82 int32 token_; | 105 int32 token_; |
83 uint32 generation_; | 106 uint32 generation_; |
84 error::Error error_; | 107 error::Error error_; |
85 error::ContextLostReason context_lost_reason_; | 108 error::ContextLostReason context_lost_reason_; |
109 GpuMemoryBufferFactory* gpu_memory_buffer_factory_; | |
110 gles2::ImageManager* image_manager_; | |
111 typedef std::map<int32, gfx::GpuMemoryBuffer*> GpuMemoryBufferMap; | |
112 GpuMemoryBufferMap gpu_memory_buffers_; | |
86 | 113 |
87 DISALLOW_COPY_AND_ASSIGN(CommandBufferService); | 114 DISALLOW_COPY_AND_ASSIGN(CommandBufferService); |
88 }; | 115 }; |
89 | 116 |
90 } // namespace gpu | 117 } // namespace gpu |
91 | 118 |
92 #endif // GPU_COMMAND_BUFFER_SERVICE_COMMAND_BUFFER_SERVICE_H_ | 119 #endif // GPU_COMMAND_BUFFER_SERVICE_COMMAND_BUFFER_SERVICE_H_ |
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