/* * 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_GRALLOC3_H #define ANDROID_UI_GRALLOC3_H #include #include #include #include #include #include #include #include namespace android { class Gralloc3Mapper : public GrallocMapper { public: static void preload(); Gralloc3Mapper(); 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; status_t isSupported(uint32_t width, uint32_t height, android::PixelFormat format, uint32_t layerCount, uint64_t usage, bool* outSupported) const override; private: // Determines whether the passed info is compatible with the mapper. status_t validateBufferDescriptorInfo( hardware::graphics::mapper::V3_0::IMapper::BufferDescriptorInfo* descriptorInfo) const; sp mMapper; }; class Gralloc3Allocator : public GrallocAllocator { public: // An allocator relies on a mapper, and that mapper must be alive at all // time. Gralloc3Allocator(const Gralloc3Mapper& mapper); bool isLoaded() const override; std::string dumpDebugInfo() const override; status_t allocate(uint32_t width, uint32_t height, PixelFormat format, uint32_t layerCount, uint64_t usage, uint32_t bufferCount, uint32_t* outStride, buffer_handle_t* outBufferHandles) const override; private: const Gralloc3Mapper& mMapper; sp mAllocator; }; } // namespace android #endif // ANDROID_UI_GRALLOC3_H