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/*
* Copyright (C) 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.
*/
#pragma once
#include <vector>
#include <hardware/gralloc.h>
#include "guest/hals/gralloc/legacy/gralloc_vsoc_priv.h"
#include "guest/hals/hwcomposer/common/base_composer.h"
#include "guest/hals/hwcomposer/common/hwcomposer.h"
namespace cvd {
class CpuComposer : public BaseComposer {
public:
CpuComposer(std::unique_ptr<ScreenView> screen_view);
virtual ~CpuComposer() = default;
// override
int PrepareLayers(size_t num_layers, hwc_layer_1_t* layers) override;
// override
int SetLayers(size_t num_layers, hwc_layer_1_t* layers) override;
protected:
static const int kNumTmpBufferPieces;
uint8_t* RotateTmpBuffer(unsigned int order);
uint8_t* GetSpecialTmpBuffer(size_t needed_size);
void CompositeLayer(hwc_layer_1_t* src_layer, int32_t fb_offset);
std::vector<uint8_t> tmp_buffer_;
std::vector<uint8_t> special_tmp_buffer_;
};
} // namespace cvd
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