1 /* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_UI_BUFFER_MAPPER_H 18 #define ANDROID_UI_BUFFER_MAPPER_H 19 20 #include <stdint.h> 21 #include <sys/types.h> 22 23 #include <ui/Gralloc1.h> 24 25 #include <utils/Singleton.h> 26 27 namespace android { 28 29 // --------------------------------------------------------------------------- 30 31 class Rect; 32 33 class GraphicBufferMapper : public Singleton<GraphicBufferMapper> 34 { 35 public: get()36 static inline GraphicBufferMapper& get() { return getInstance(); } 37 38 status_t registerBuffer(buffer_handle_t handle); 39 status_t registerBuffer(const GraphicBuffer* buffer); 40 41 status_t unregisterBuffer(buffer_handle_t handle); 42 43 status_t lock(buffer_handle_t handle, 44 uint32_t usage, const Rect& bounds, void** vaddr); 45 46 status_t lockYCbCr(buffer_handle_t handle, 47 uint32_t usage, const Rect& bounds, android_ycbcr *ycbcr); 48 49 status_t unlock(buffer_handle_t handle); 50 51 status_t lockAsync(buffer_handle_t handle, 52 uint32_t usage, const Rect& bounds, void** vaddr, int fenceFd); 53 54 status_t lockAsyncYCbCr(buffer_handle_t handle, 55 uint32_t usage, const Rect& bounds, android_ycbcr *ycbcr, 56 int fenceFd); 57 58 status_t unlockAsync(buffer_handle_t handle, int *fenceFd); 59 60 private: 61 friend class Singleton<GraphicBufferMapper>; 62 63 GraphicBufferMapper(); 64 65 std::unique_ptr<Gralloc1::Loader> mLoader; 66 std::unique_ptr<Gralloc1::Device> mDevice; 67 }; 68 69 // --------------------------------------------------------------------------- 70 71 }; // namespace android 72 73 #endif // ANDROID_UI_BUFFER_MAPPER_H 74 75