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Side by Side Diff: gpu/command_buffer/client/mapped_memory.h

Issue 9582024: Revert 124702 - GPU: Buld most of the gpu as a single DLL. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Created 8 years, 9 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2011 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_CLIENT_MAPPED_MEMORY_H_ 5 #ifndef GPU_COMMAND_BUFFER_CLIENT_MAPPED_MEMORY_H_
6 #define GPU_COMMAND_BUFFER_CLIENT_MAPPED_MEMORY_H_ 6 #define GPU_COMMAND_BUFFER_CLIENT_MAPPED_MEMORY_H_
7 7
8 #include <vector> 8 #include <vector>
9 9
10 #include "../../gpu_export.h"
11 #include "../common/types.h" 10 #include "../common/types.h"
12 #include "../client/fenced_allocator.h" 11 #include "../client/fenced_allocator.h"
13 #include "../common/buffer.h" 12 #include "../common/buffer.h"
14 13
15 namespace gpu { 14 namespace gpu {
16 15
17 class CommandBufferHelper; 16 class CommandBufferHelper;
18 17
19 // Manages a shared memory segment. 18 // Manages a shared memory segment.
20 class GPU_EXPORT MemoryChunk { 19 class MemoryChunk {
21 public: 20 public:
22 MemoryChunk(int32 shm_id, gpu::Buffer shm, CommandBufferHelper* helper); 21 MemoryChunk(int32 shm_id, gpu::Buffer shm, CommandBufferHelper* helper);
23 22
24 // Gets the size of the largest free block that is available without waiting. 23 // Gets the size of the largest free block that is available without waiting.
25 unsigned int GetLargestFreeSizeWithoutWaiting() { 24 unsigned int GetLargestFreeSizeWithoutWaiting() {
26 return allocator_.GetLargestFreeSize(); 25 return allocator_.GetLargestFreeSize();
27 } 26 }
28 27
29 // Gets the size of the largest free block that can be allocated if the 28 // Gets the size of the largest free block that can be allocated if the
30 // caller can wait. 29 // caller can wait.
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98 97
99 private: 98 private:
100 int32 shm_id_; 99 int32 shm_id_;
101 gpu::Buffer shm_; 100 gpu::Buffer shm_;
102 FencedAllocatorWrapper allocator_; 101 FencedAllocatorWrapper allocator_;
103 102
104 DISALLOW_COPY_AND_ASSIGN(MemoryChunk); 103 DISALLOW_COPY_AND_ASSIGN(MemoryChunk);
105 }; 104 };
106 105
107 // Manages MemoryChucks. 106 // Manages MemoryChucks.
108 class GPU_EXPORT MappedMemoryManager { 107 class MappedMemoryManager {
109 public: 108 public:
110 explicit MappedMemoryManager(CommandBufferHelper* helper); 109 explicit MappedMemoryManager(CommandBufferHelper* helper);
111 110
112 ~MappedMemoryManager(); 111 ~MappedMemoryManager();
113 112
114 unsigned int chunk_size_multiple() const { 113 unsigned int chunk_size_multiple() const {
115 return chunk_size_multiple_; 114 return chunk_size_multiple_;
116 } 115 }
117 116
118 void set_chunk_size_multiple(unsigned int multiple) { 117 void set_chunk_size_multiple(unsigned int multiple) {
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159 CommandBufferHelper* helper_; 158 CommandBufferHelper* helper_;
160 MemoryChunkVector chunks_; 159 MemoryChunkVector chunks_;
161 160
162 DISALLOW_COPY_AND_ASSIGN(MappedMemoryManager); 161 DISALLOW_COPY_AND_ASSIGN(MappedMemoryManager);
163 }; 162 };
164 163
165 } // namespace gpu 164 } // namespace gpu
166 165
167 #endif // GPU_COMMAND_BUFFER_CLIENT_MAPPED_MEMORY_H_ 166 #endif // GPU_COMMAND_BUFFER_CLIENT_MAPPED_MEMORY_H_
168 167
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