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/*
* Copyright (C) 2022 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 <hardware/hardware.h>
#include <hardware/hwcomposer.h>
#include <cmath>
#include <cstdbool>
#include <cstdint>
#include <optional>
#include <vector>
#include "bufferinfo/BufferInfo.h"
#include "drm/DrmFbImporter.h"
#include "utils/UniqueFd.h"
namespace android {
class DrmFbIdHandle;
enum LayerTransform : uint32_t {
kIdentity = 0,
kFlipH = 1 << 0,
kFlipV = 1 << 1,
kRotate90 = 1 << 2,
kRotate180 = 1 << 3,
kRotate270 = 1 << 4,
};
struct PresentInfo {
LayerTransform transform{};
uint16_t alpha = UINT16_MAX;
hwc_frect_t source_crop{};
hwc_rect_t display_frame{};
bool RequireScalingOrPhasing() const {
float src_width = source_crop.right - source_crop.left;
float src_height = source_crop.bottom - source_crop.top;
auto dest_width = float(display_frame.right - display_frame.left);
auto dest_height = float(display_frame.bottom - display_frame.top);
bool scaling = src_width != dest_width || src_height != dest_height;
bool phasing = (source_crop.left - std::floor(source_crop.left) != 0) ||
(source_crop.top - std::floor(source_crop.top) != 0);
return scaling || phasing;
}
};
struct LayerData {
auto Clone() {
LayerData clonned;
clonned.bi = bi;
clonned.fb = fb;
clonned.pi = pi;
clonned.acquire_fence = std::move(acquire_fence);
return clonned;
}
std::optional<BufferInfo> bi;
std::shared_ptr<DrmFbIdHandle> fb;
PresentInfo pi;
UniqueFd acquire_fence;
};
} // namespace android
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