| /* |
| ** |
| ** Copyright 2009, The Android Open Source Project |
| ** |
| ** Licensed under the Apache License, Version 2.0 (the "License"); |
| ** you may not use this file except in compliance with the License. |
| ** You may obtain a copy of the License at |
| ** |
| ** http://www.apache.org/licenses/LICENSE-2.0 |
| ** |
| ** Unless required by applicable law or agreed to in writing, software |
| ** distributed under the License is distributed on an "AS IS" BASIS, |
| ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| ** See the License for the specific language governing permissions and |
| ** limitations under the License. |
| */ |
| |
| #ifndef ANDROID_BUFFER_ALLOCATOR_H |
| #define ANDROID_BUFFER_ALLOCATOR_H |
| |
| #include <stdint.h> |
| |
| #include <memory> |
| #include <string> |
| |
| #include <cutils/native_handle.h> |
| |
| #include <ui/PixelFormat.h> |
| |
| #include <utils/Errors.h> |
| #include <utils/KeyedVector.h> |
| #include <utils/Mutex.h> |
| #include <utils/Singleton.h> |
| |
| namespace android { |
| |
| class GrallocAllocator; |
| class GraphicBufferMapper; |
| |
| class GraphicBufferAllocator : public Singleton<GraphicBufferAllocator> |
| { |
| public: |
| static inline GraphicBufferAllocator& get() { return getInstance(); } |
| |
| status_t allocate(uint32_t w, uint32_t h, PixelFormat format, |
| uint32_t layerCount, uint64_t usage, |
| buffer_handle_t* handle, uint32_t* stride, uint64_t graphicBufferId, |
| std::string requestorName); |
| |
| status_t free(buffer_handle_t handle); |
| |
| void dump(std::string& res) const; |
| static void dumpToSystemLog(); |
| |
| private: |
| struct alloc_rec_t { |
| uint32_t width; |
| uint32_t height; |
| uint32_t stride; |
| PixelFormat format; |
| uint32_t layerCount; |
| uint64_t usage; |
| size_t size; |
| std::string requestorName; |
| }; |
| |
| static Mutex sLock; |
| static KeyedVector<buffer_handle_t, alloc_rec_t> sAllocList; |
| |
| friend class Singleton<GraphicBufferAllocator>; |
| GraphicBufferAllocator(); |
| ~GraphicBufferAllocator(); |
| |
| GraphicBufferMapper& mMapper; |
| std::unique_ptr<const GrallocAllocator> mAllocator; |
| }; |
| |
| // --------------------------------------------------------------------------- |
| }; // namespace android |
| |
| #endif // ANDROID_BUFFER_ALLOCATOR_H |