1 /* 2 * Copyright 2016 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_GRALLOC3_H 18 #define ANDROID_UI_GRALLOC3_H 19 20 #include <string> 21 22 #include <android/hardware/graphics/allocator/3.0/IAllocator.h> 23 #include <android/hardware/graphics/common/1.1/types.h> 24 #include <android/hardware/graphics/mapper/3.0/IMapper.h> 25 #include <ui/Gralloc.h> 26 #include <ui/PixelFormat.h> 27 #include <ui/Rect.h> 28 #include <utils/StrongPointer.h> 29 30 namespace android { 31 32 class Gralloc3Mapper : public GrallocMapper { 33 public: 34 static void preload(); 35 36 Gralloc3Mapper(); 37 38 bool isLoaded() const override; 39 40 status_t createDescriptor(void* bufferDescriptorInfo, void* outBufferDescriptor) const override; 41 42 status_t importBuffer(const hardware::hidl_handle& rawHandle, 43 buffer_handle_t* outBufferHandle) const override; 44 45 void freeBuffer(buffer_handle_t bufferHandle) const override; 46 47 status_t validateBufferSize(buffer_handle_t bufferHandle, uint32_t width, uint32_t height, 48 android::PixelFormat format, uint32_t layerCount, uint64_t usage, 49 uint32_t stride) const override; 50 51 void getTransportSize(buffer_handle_t bufferHandle, uint32_t* outNumFds, 52 uint32_t* outNumInts) const override; 53 54 status_t lock(buffer_handle_t bufferHandle, uint64_t usage, const Rect& bounds, 55 int acquireFence, void** outData, int32_t* outBytesPerPixel, 56 int32_t* outBytesPerStride) const override; 57 58 status_t lock(buffer_handle_t bufferHandle, uint64_t usage, const Rect& bounds, 59 int acquireFence, android_ycbcr* ycbcr) const override; 60 61 int unlock(buffer_handle_t bufferHandle) const override; 62 63 status_t isSupported(uint32_t width, uint32_t height, android::PixelFormat format, 64 uint32_t layerCount, uint64_t usage, bool* outSupported) const override; 65 66 private: 67 // Determines whether the passed info is compatible with the mapper. 68 status_t validateBufferDescriptorInfo( 69 hardware::graphics::mapper::V3_0::IMapper::BufferDescriptorInfo* descriptorInfo) const; 70 71 sp<hardware::graphics::mapper::V3_0::IMapper> mMapper; 72 }; 73 74 class Gralloc3Allocator : public GrallocAllocator { 75 public: 76 // An allocator relies on a mapper, and that mapper must be alive at all 77 // time. 78 Gralloc3Allocator(const Gralloc3Mapper& mapper); 79 80 bool isLoaded() const override; 81 82 std::string dumpDebugInfo() const override; 83 84 status_t allocate(uint32_t width, uint32_t height, PixelFormat format, uint32_t layerCount, 85 uint64_t usage, uint32_t bufferCount, uint32_t* outStride, 86 buffer_handle_t* outBufferHandles) const override; 87 88 private: 89 const Gralloc3Mapper& mMapper; 90 sp<hardware::graphics::allocator::V3_0::IAllocator> mAllocator; 91 }; 92 93 } // namespace android 94 95 #endif // ANDROID_UI_GRALLOC3_H 96
