| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef GPU_COMMAND_BUFFER_SERVICE_TRANSFER_BUFFER_MANAGER_H_ |
| #define GPU_COMMAND_BUFFER_SERVICE_TRANSFER_BUFFER_MANAGER_H_ |
| |
| #include <set> |
| #include <vector> |
| |
| #include "base/basictypes.h" |
| #include "base/compiler_specific.h" |
| #include "base/containers/hash_tables.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/trace_event/memory_dump_provider.h" |
| #include "gpu/command_buffer/common/command_buffer_shared.h" |
| |
| namespace gpu { |
| namespace gles2 { |
| class MemoryTracker; |
| } |
| |
| class GPU_EXPORT TransferBufferManagerInterface : |
| public base::RefCounted<TransferBufferManagerInterface> { |
| public: |
| virtual bool RegisterTransferBuffer(int32 id, |
| scoped_ptr<BufferBacking> buffer) = 0; |
| virtual void DestroyTransferBuffer(int32 id) = 0; |
| virtual scoped_refptr<Buffer> GetTransferBuffer(int32 id) = 0; |
| |
| protected: |
| friend class base::RefCounted<TransferBufferManagerInterface>; |
| |
| virtual ~TransferBufferManagerInterface(); |
| }; |
| |
| class GPU_EXPORT TransferBufferManager |
| : public TransferBufferManagerInterface, |
| public base::trace_event::MemoryDumpProvider { |
| public: |
| explicit TransferBufferManager(gles2::MemoryTracker* memory_tracker); |
| |
| // Overridden from base::trace_event::MemoryDumpProvider: |
| bool OnMemoryDump(const base::trace_event::MemoryDumpArgs& args, |
| base::trace_event::ProcessMemoryDump* pmd) override; |
| |
| bool Initialize(); |
| bool RegisterTransferBuffer( |
| int32 id, |
| scoped_ptr<BufferBacking> buffer_backing) override; |
| void DestroyTransferBuffer(int32 id) override; |
| scoped_refptr<Buffer> GetTransferBuffer(int32 id) override; |
| |
| private: |
| ~TransferBufferManager() override; |
| |
| typedef base::hash_map<int32, scoped_refptr<Buffer> > BufferMap; |
| BufferMap registered_buffers_; |
| size_t shared_memory_bytes_allocated_; |
| gles2::MemoryTracker* memory_tracker_; |
| |
| DISALLOW_COPY_AND_ASSIGN(TransferBufferManager); |
| }; |
| |
| } // namespace gpu |
| |
| #endif // GPU_COMMAND_BUFFER_SERVICE_TRANSFER_BUFFER_MANAGER_H_ |