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yuzu/src/core/frontend/framebuffer_layout.h

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C++

// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "common/math_util.h"
namespace Layout {
namespace MinimumSize {
constexpr u32 Width = 640;
constexpr u32 Height = 360;
} // namespace MinimumSize
namespace ScreenUndocked {
constexpr u32 Width = 1280;
constexpr u32 Height = 720;
} // namespace ScreenUndocked
namespace ScreenDocked {
constexpr u32 Width = 1920;
constexpr u32 Height = 1080;
} // namespace ScreenDocked
enum class AspectRatio {
Default,
R4_3,
R21_9,
StretchToWindow,
};
/// Describes the layout of the window framebuffer
struct FramebufferLayout {
u32 width{ScreenUndocked::Width};
u32 height{ScreenUndocked::Height};
bool is_srgb{};
Common::Rectangle<u32> screen;
/**
* Returns the ration of pixel size of the screen, compared to the native size of the undocked
* Switch screen.
*/
float GetScalingRatio() const {
return static_cast<float>(screen.GetWidth()) / ScreenUndocked::Width;
}
};
/**
* Factory method for constructing a default FramebufferLayout
* @param width Window framebuffer width in pixels
* @param height Window framebuffer height in pixels
* @return Newly created FramebufferLayout object with default screen regions initialized
*/
FramebufferLayout DefaultFrameLayout(u32 width, u32 height);
/**
* Convenience method to get frame layout by resolution scale
* @param res_scale resolution scale factor
*/
FramebufferLayout FrameLayoutFromResolutionScale(u32 res_scale);
/**
* Convenience method to determine emulation aspect ratio
* @param aspect Represents the index of aspect ratio stored in Settings::values.aspect_ratio
* @param window_aspect_ratio Current window aspect ratio
* @return Emulation render window aspect ratio
*/
float EmulationAspectRatio(AspectRatio aspect, float window_aspect_ratio);
} // namespace Layout