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| 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 |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef GPU_COMMAND_BUFFER_CLIENT_BUFFER_TRACKER_H_ |
| 6 #define GPU_COMMAND_BUFFER_CLIENT_BUFFER_TRACKER_H_ |
| 7 |
| 8 #include <GLES2/gl2.h> |
| 9 |
| 10 #include <queue> |
| 11 #include "../../gpu_export.h" |
| 12 #include "../client/hash_tables.h" |
| 13 #include "../common/gles2_cmd_format.h" |
| 14 |
| 15 namespace gpu { |
| 16 |
| 17 class CommandBufferHelper; |
| 18 class MappedMemoryManager; |
| 19 |
| 20 namespace gles2 { |
| 21 |
| 22 // Tracks buffer objects for client side of command buffer. |
| 23 class GPU_EXPORT BufferTracker { |
| 24 public: |
| 25 class GPU_EXPORT Buffer { |
| 26 public: |
| 27 Buffer(GLuint id, int32 shm_id, uint32 shm_offset, void* address) |
| 28 : id_(id), |
| 29 shm_id_(shm_id), |
| 30 shm_offset_(shm_offset), |
| 31 address_(address) { |
| 32 } |
| 33 |
| 34 GLenum id() const { |
| 35 return id_; |
| 36 } |
| 37 |
| 38 int32 shm_id() const { |
| 39 return shm_id_; |
| 40 } |
| 41 |
| 42 uint32 shm_offset() const { |
| 43 return shm_offset_; |
| 44 } |
| 45 |
| 46 void* address() const { |
| 47 return address_; |
| 48 } |
| 49 |
| 50 private: |
| 51 friend class BufferTracker; |
| 52 friend class BufferTrackerTest; |
| 53 |
| 54 GLuint id_; |
| 55 int32 shm_id_; |
| 56 uint32 shm_offset_; |
| 57 void* address_; |
| 58 }; |
| 59 |
| 60 BufferTracker(MappedMemoryManager* manager); |
| 61 ~BufferTracker(); |
| 62 |
| 63 Buffer* CreateBuffer(GLuint id, GLsizeiptr size); |
| 64 Buffer* GetBuffer(GLuint id); |
| 65 void RemoveBuffer(GLuint id); |
| 66 |
| 67 private: |
| 68 typedef gpu::hash_map<GLuint, Buffer*> BufferMap; |
| 69 |
| 70 MappedMemoryManager* mapped_memory_; |
| 71 BufferMap buffers_; |
| 72 |
| 73 DISALLOW_COPY_AND_ASSIGN(BufferTracker); |
| 74 }; |
| 75 |
| 76 } // namespace gles2 |
| 77 } // namespace gpu |
| 78 |
| 79 #endif // GPU_COMMAND_BUFFER_CLIENT_BUFFER_TRACKER_H_ |
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