| /* |
| * Copyright (C) 2007 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_UI_BUFFER_MAPPER_H |
| #define ANDROID_UI_BUFFER_MAPPER_H |
| |
| #include <stdint.h> |
| #include <sys/types.h> |
| |
| #include <memory> |
| |
| #include <ui/PixelFormat.h> |
| #include <utils/Singleton.h> |
| |
| |
| // Needed by code that still uses the GRALLOC_USAGE_* constants. |
| // when/if we get rid of gralloc, we should provide aliases or fix call sites. |
| #include <hardware/gralloc.h> |
| |
| |
| namespace android { |
| |
| // --------------------------------------------------------------------------- |
| |
| namespace Gralloc2 { |
| class Mapper; |
| } |
| |
| class Rect; |
| |
| class GraphicBufferMapper : public Singleton<GraphicBufferMapper> |
| { |
| public: |
| static void preloadHal(); |
| static inline GraphicBufferMapper& get() { return getInstance(); } |
| |
| // The imported outHandle must be freed with freeBuffer when no longer |
| // needed. rawHandle is owned by the caller. |
| status_t importBuffer(buffer_handle_t rawHandle, |
| uint32_t width, uint32_t height, uint32_t layerCount, |
| PixelFormat format, uint64_t usage, uint32_t stride, |
| buffer_handle_t* outHandle); |
| |
| status_t freeBuffer(buffer_handle_t handle); |
| |
| void getTransportSize(buffer_handle_t handle, |
| uint32_t* outTransportNumFds, uint32_t* outTransportNumInts); |
| |
| status_t lock(buffer_handle_t handle, |
| uint32_t usage, const Rect& bounds, void** vaddr); |
| |
| status_t lockYCbCr(buffer_handle_t handle, |
| uint32_t usage, const Rect& bounds, android_ycbcr *ycbcr); |
| |
| status_t unlock(buffer_handle_t handle); |
| |
| status_t lockAsync(buffer_handle_t handle, |
| uint32_t usage, const Rect& bounds, void** vaddr, int fenceFd); |
| |
| status_t lockAsync(buffer_handle_t handle, |
| uint64_t producerUsage, uint64_t consumerUsage, const Rect& bounds, |
| void** vaddr, int fenceFd); |
| |
| status_t lockAsyncYCbCr(buffer_handle_t handle, |
| uint32_t usage, const Rect& bounds, android_ycbcr *ycbcr, |
| int fenceFd); |
| |
| status_t unlockAsync(buffer_handle_t handle, int *fenceFd); |
| |
| const Gralloc2::Mapper& getGrallocMapper() const |
| { |
| return *mMapper; |
| } |
| |
| private: |
| friend class Singleton<GraphicBufferMapper>; |
| |
| GraphicBufferMapper(); |
| |
| const std::unique_ptr<const Gralloc2::Mapper> mMapper; |
| }; |
| |
| // --------------------------------------------------------------------------- |
| |
| }; // namespace android |
| |
| #endif // ANDROID_UI_BUFFER_MAPPER_H |
| |