79 lines
3.6 KiB
C++
79 lines
3.6 KiB
C++
/*
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* Copyright (c) 2015-2020, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __HWC_BUFFER_ALLOCATOR_H__
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#define __HWC_BUFFER_ALLOCATOR_H__
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#include <fcntl.h>
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#include <sys/mman.h>
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#include <android/hardware/graphics/allocator/2.0/IAllocator.h>
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#include <android/hardware/graphics/allocator/3.0/IAllocator.h>
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#include <android/hardware/graphics/mapper/2.1/IMapper.h>
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#include <android/hardware/graphics/mapper/3.0/IMapper.h>
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#include "gralloc_priv.h"
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using IAllocatorV3 = android::hardware::graphics::allocator::V3_0::IAllocator;
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using IAllocatorV2 = android::hardware::graphics::allocator::V2_0::IAllocator;
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using IMapperV3 = android::hardware::graphics::mapper::V3_0::IMapper;
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using IMapperV2 = android::hardware::graphics::mapper::V2_0::IMapper;
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namespace sdm {
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template <class Type>
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inline Type ALIGN(Type x, Type align) {
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return (x + align - 1) & ~(align - 1);
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}
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class HWCBufferAllocator : public BufferAllocator {
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public:
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DisplayError AllocateBuffer(BufferInfo *buffer_info);
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DisplayError FreeBuffer(BufferInfo *buffer_info);
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uint32_t GetBufferSize(BufferInfo *buffer_info);
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void GetCustomWidthAndHeight(const private_handle_t *handle, int *width, int *height);
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void GetAlignedWidthAndHeight(int width, int height, int format, uint32_t alloc_type,
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int *aligned_width, int *aligned_height);
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DisplayError GetAllocatedBufferInfo(const BufferConfig &buffer_config,
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AllocatedBufferInfo *allocated_buffer_info);
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DisplayError GetBufferLayout(const AllocatedBufferInfo &buf_info, uint32_t stride[4],
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uint32_t offset[4], uint32_t *num_planes);
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int SetBufferInfo(LayerBufferFormat format, int *target, uint64_t *flags);
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DisplayError MapBuffer(const private_handle_t *handle, shared_ptr<Fence> acquire_fence);
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DisplayError UnmapBuffer(const private_handle_t *handle, int *release_fence);
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private:
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DisplayError GetGrallocInstance();
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android::sp<IMapperV2> mapper_V2_;
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android::sp<IMapperV3> mapper_V3_;
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android::sp<IAllocatorV2> allocator_V2_;
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android::sp<IAllocatorV3> allocator_V3_;
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};
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} // namespace sdm
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#endif // __HWC_BUFFER_ALLOCATOR_H__
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