| /* |
| * Copyright 2016 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_GRALLOC2_H |
| #define ANDROID_UI_GRALLOC2_H |
| |
| #include <string> |
| |
| #include <android/hardware/graphics/allocator/2.0/IAllocator.h> |
| #include <android/hardware/graphics/common/1.1/types.h> |
| #include <android/hardware/graphics/mapper/2.0/IMapper.h> |
| #include <android/hardware/graphics/mapper/2.1/IMapper.h> |
| #include <ui/Gralloc.h> |
| #include <ui/PixelFormat.h> |
| #include <ui/Rect.h> |
| #include <utils/StrongPointer.h> |
| |
| namespace android { |
| |
| class Gralloc2Mapper : public GrallocMapper { |
| public: |
| static void preload(); |
| |
| Gralloc2Mapper(); |
| |
| bool isLoaded() const override; |
| |
| status_t createDescriptor(void* bufferDescriptorInfo, void* outBufferDescriptor) const override; |
| |
| status_t importBuffer(const hardware::hidl_handle& rawHandle, |
| buffer_handle_t* outBufferHandle) const override; |
| |
| void freeBuffer(buffer_handle_t bufferHandle) const override; |
| |
| status_t validateBufferSize(buffer_handle_t bufferHandle, uint32_t width, uint32_t height, |
| android::PixelFormat format, uint32_t layerCount, uint64_t usage, |
| uint32_t stride) const override; |
| |
| void getTransportSize(buffer_handle_t bufferHandle, uint32_t* outNumFds, |
| uint32_t* outNumInts) const override; |
| |
| status_t lock(buffer_handle_t bufferHandle, uint64_t usage, const Rect& bounds, |
| int acquireFence, void** outData, int32_t* outBytesPerPixel, |
| int32_t* outBytesPerStride) const override; |
| |
| status_t lock(buffer_handle_t bufferHandle, uint64_t usage, const Rect& bounds, |
| int acquireFence, android_ycbcr* ycbcr) const override; |
| |
| int unlock(buffer_handle_t bufferHandle) const override; |
| |
| private: |
| // Determines whether the passed info is compatible with the mapper. |
| status_t validateBufferDescriptorInfo( |
| hardware::graphics::mapper::V2_1::IMapper::BufferDescriptorInfo* descriptorInfo) const; |
| |
| sp<hardware::graphics::mapper::V2_0::IMapper> mMapper; |
| sp<hardware::graphics::mapper::V2_1::IMapper> mMapperV2_1; |
| }; |
| |
| class Gralloc2Allocator : public GrallocAllocator { |
| public: |
| // An allocator relies on a mapper, and that mapper must be alive at all |
| // time. |
| Gralloc2Allocator(const Gralloc2Mapper& mapper); |
| |
| bool isLoaded() const override; |
| |
| std::string dumpDebugInfo(bool less = true) const override; |
| |
| status_t allocate(std::string requestorName, uint32_t width, uint32_t height, |
| PixelFormat format, uint32_t layerCount, uint64_t usage, uint32_t bufferCount, |
| uint32_t* outStride, buffer_handle_t* outBufferHandles, |
| bool importBuffers = true) const override; |
| |
| private: |
| const Gralloc2Mapper& mMapper; |
| sp<hardware::graphics::allocator::V2_0::IAllocator> mAllocator; |
| }; |
| |
| } // namespace android |
| |
| #endif // ANDROID_UI_GRALLOC2_H |