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

Issue 367002: Added Pepper 3D render context that instantiates the GPU plugin.... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: '' Created 11 years ago
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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2009 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 // This file contains the definition of the FencedAllocator class. 5 // This file contains the definition of the FencedAllocator class.
6 6
7 #ifndef GPU_COMMAND_BUFFER_CLIENT_FENCED_ALLOCATOR_H_ 7 #ifndef GPU_COMMAND_BUFFER_CLIENT_FENCED_ALLOCATOR_H_
8 #define GPU_COMMAND_BUFFER_CLIENT_FENCED_ALLOCATOR_H_ 8 #define GPU_COMMAND_BUFFER_CLIENT_FENCED_ALLOCATOR_H_
9 9
10 #include <vector> 10 #include <vector>
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121 // NOTE: this will invalidate block indices. 121 // NOTE: this will invalidate block indices.
122 BlockIndex WaitForTokenAndFreeBlock(BlockIndex index); 122 BlockIndex WaitForTokenAndFreeBlock(BlockIndex index);
123 123
124 // Allocates a block of memory inside a given block, splitting it in two 124 // Allocates a block of memory inside a given block, splitting it in two
125 // (unless that block is of the exact requested size). 125 // (unless that block is of the exact requested size).
126 // NOTE: this will invalidate block indices. 126 // NOTE: this will invalidate block indices.
127 // Returns the offset of the allocated block (NOTE: this is different from 127 // Returns the offset of the allocated block (NOTE: this is different from
128 // the other functions that return a block index). 128 // the other functions that return a block index).
129 Offset AllocInBlock(BlockIndex index, unsigned int size); 129 Offset AllocInBlock(BlockIndex index, unsigned int size);
130 130
131 gpu::CommandBufferHelper *helper_; 131 CommandBufferHelper *helper_;
132 Container blocks_; 132 Container blocks_;
133 133
134 DISALLOW_IMPLICIT_CONSTRUCTORS(FencedAllocator); 134 DISALLOW_IMPLICIT_CONSTRUCTORS(FencedAllocator);
135 }; 135 };
136 136
137 // This class functions just like FencedAllocator, but its API uses pointers 137 // This class functions just like FencedAllocator, but its API uses pointers
138 // instead of offsets. 138 // instead of offsets.
139 class FencedAllocatorWrapper { 139 class FencedAllocatorWrapper {
140 public: 140 public:
141 FencedAllocatorWrapper(unsigned int size, 141 FencedAllocatorWrapper(unsigned int size,
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229 229
230 private: 230 private:
231 FencedAllocator allocator_; 231 FencedAllocator allocator_;
232 void *base_; 232 void *base_;
233 DISALLOW_IMPLICIT_CONSTRUCTORS(FencedAllocatorWrapper); 233 DISALLOW_IMPLICIT_CONSTRUCTORS(FencedAllocatorWrapper);
234 }; 234 };
235 235
236 } // namespace gpu 236 } // namespace gpu
237 237
238 #endif // GPU_COMMAND_BUFFER_CLIENT_FENCED_ALLOCATOR_H_ 238 #endif // GPU_COMMAND_BUFFER_CLIENT_FENCED_ALLOCATOR_H_
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