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_SERVICE_TRANSFER_BUFFER_MANAGER_H_ 6 #define GPU_COMMAND_BUFFER_SERVICE_TRANSFER_BUFFER_MANAGER_H_ 7 8 #include <set> 9 #include <vector> 10 11 #include "base/basictypes.h" 12 #include "base/compiler_specific.h" 13 #include "base/containers/hash_tables.h" 14 #include "base/memory/shared_memory.h" 15 #include "gpu/command_buffer/common/command_buffer_shared.h" 16 17 namespace gpu { 18 19 class GPU_EXPORT TransferBufferManagerInterface { 20 public: 21 virtual ~TransferBufferManagerInterface(); 22 23 virtual bool RegisterTransferBuffer(int32 id, 24 scoped_ptr<BufferBacking> buffer) = 0; 25 virtual void DestroyTransferBuffer(int32 id) = 0; 26 virtual scoped_refptr<Buffer> GetTransferBuffer(int32 id) = 0; 27 }; 28 29 class GPU_EXPORT TransferBufferManager 30 : public TransferBufferManagerInterface { 31 public: 32 TransferBufferManager(); 33 34 bool Initialize(); 35 virtual bool RegisterTransferBuffer(int32 id, 36 scoped_ptr<BufferBacking> buffer_backing) 37 OVERRIDE; 38 virtual void DestroyTransferBuffer(int32 id) OVERRIDE; 39 virtual scoped_refptr<Buffer> GetTransferBuffer(int32 id) OVERRIDE; 40 41 private: 42 virtual ~TransferBufferManager(); 43 44 typedef base::hash_map<int32, scoped_refptr<Buffer> > BufferMap; 45 BufferMap registered_buffers_; 46 size_t shared_memory_bytes_allocated_; 47 48 DISALLOW_COPY_AND_ASSIGN(TransferBufferManager); 49 }; 50 51 } // namespace gpu 52 53 #endif // GPU_COMMAND_BUFFER_SERVICE_TRANSFER_BUFFER_MANAGER_H_ 54