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/*
* Copyright 2019 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 <cstdint>
#include <optional>
#include <string>
#include <ui/DisplayInfo.h>
#include <ui/PixelFormat.h>
#include <ui/Size.h>
#include "DisplayHardware/DisplayIdentification.h"
#include "DisplayHardware/PowerAdvisor.h"
namespace android::compositionengine {
class CompositionEngine;
/**
* A parameter object for creating Display instances
*/
struct DisplayCreationArgs {
struct Physical {
DisplayId id;
DisplayConnectionType type;
};
// Required for physical displays. Gives the HWC display id for the existing
// display along with the connection type.
std::optional<Physical> physical;
// Size of the display in pixels
ui::Size pixels = ui::Size::INVALID;
// Pixel format of the display
ui::PixelFormat pixelFormat = static_cast<ui::PixelFormat>(PIXEL_FORMAT_UNKNOWN);
// True if virtual displays should be created with the HWC API if possible
bool useHwcVirtualDisplays = false;
// True if this display should be considered secure
bool isSecure = false;
// Gives the initial layer stack id to be used for the display
uint32_t layerStackId = ~0u;
// Optional pointer to the power advisor interface, if one is needed for
// this display.
Hwc2::PowerAdvisor* powerAdvisor = nullptr;
// Debugging. Human readable name for the display.
std::string name;
};
/**
* A helper for setting up a DisplayCreationArgs value in-line.
* Prefer this builder over raw structure initialization.
*/
class DisplayCreationArgsBuilder {
public:
DisplayCreationArgs build() { return std::move(mArgs); }
DisplayCreationArgsBuilder& setPhysical(DisplayCreationArgs::Physical physical) {
mArgs.physical = physical;
return *this;
}
DisplayCreationArgsBuilder& setPixels(ui::Size pixels) {
mArgs.pixels = pixels;
return *this;
}
DisplayCreationArgsBuilder& setPixelFormat(ui::PixelFormat pixelFormat) {
mArgs.pixelFormat = pixelFormat;
return *this;
}
DisplayCreationArgsBuilder& setUseHwcVirtualDisplays(bool useHwcVirtualDisplays) {
mArgs.useHwcVirtualDisplays = useHwcVirtualDisplays;
return *this;
}
DisplayCreationArgsBuilder& setIsSecure(bool isSecure) {
mArgs.isSecure = isSecure;
return *this;
}
DisplayCreationArgsBuilder& setLayerStackId(uint32_t layerStackId) {
mArgs.layerStackId = layerStackId;
return *this;
}
DisplayCreationArgsBuilder& setPowerAdvisor(Hwc2::PowerAdvisor* powerAdvisor) {
mArgs.powerAdvisor = powerAdvisor;
return *this;
}
DisplayCreationArgsBuilder& setName(std::string name) {
mArgs.name = std::move(name);
return *this;
}
private:
DisplayCreationArgs mArgs;
};
} // namespace android::compositionengine
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