mirror of
https://github.com/Ryujinx/Ryujinx.git
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0fbcd630bc
* Replace usage of `DllImport` with `LibraryImport` * Mark methods as `partial` * Marshalling * More `partial` & marshalling * More `partial` and marshalling * More partial and marshalling * Update GdiPlusHelper to LibraryImport * Unicorn * More Partial * Marshal * Specify EntryPoint * Specify EntryPoint * Change GlobalMemoryStatusEx to LibraryImport * Change RegisterClassEx to LibraryImport * Define EntryPoints * Update Ryujinx.Ava/Ui/Controls/Win32NativeInterop.cs Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com> * Update Ryujinx.Graphics.Nvdec.FFmpeg/Native/FFmpegApi.cs Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com> * Move return mashal * Remove calling convention specification * Remove calling conventions * Update Ryujinx.Common/SystemInfo/WindowsSystemInfo.cs Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com> * Update Ryujinx/Modules/Updater/Updater.cs Co-authored-by: Mary-nyan <thog@protonmail.com> * Update Ryujinx.Ava/Modules/Updater/Updater.cs Co-authored-by: Mary-nyan <thog@protonmail.com> Co-authored-by: TSRBerry <20988865+TSRBerry@users.noreply.github.com> Co-authored-by: Mary-nyan <thog@protonmail.com>
97 lines
3.6 KiB
C#
97 lines
3.6 KiB
C#
using Ryujinx.Common.Logging;
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using System;
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using System.Globalization;
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using System.Runtime.InteropServices;
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namespace Ryujinx.Common.SystemInterop
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{
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public static partial class ForceDpiAware
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{
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[LibraryImport("user32.dll")]
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[return: MarshalAs(UnmanagedType.Bool)]
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private static partial bool SetProcessDPIAware();
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private const string X11LibraryName = "libX11.so.6";
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[LibraryImport(X11LibraryName)]
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private static partial IntPtr XOpenDisplay([MarshalAs(UnmanagedType.LPStr)] string display);
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[LibraryImport(X11LibraryName)]
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private static partial IntPtr XGetDefault(IntPtr display, [MarshalAs(UnmanagedType.LPStr)] string program, [MarshalAs(UnmanagedType.LPStr)] string option);
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[LibraryImport(X11LibraryName)]
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private static partial int XDisplayWidth(IntPtr display, int screenNumber);
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[LibraryImport(X11LibraryName)]
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private static partial int XDisplayWidthMM(IntPtr display, int screenNumber);
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[LibraryImport(X11LibraryName)]
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private static partial int XCloseDisplay(IntPtr display);
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private static readonly double _standardDpiScale = 96.0;
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private static readonly double _maxScaleFactor = 1.25;
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/// <summary>
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/// Marks the application as DPI-Aware when running on the Windows operating system.
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/// </summary>
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public static void Windows()
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{
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// Make process DPI aware for proper window sizing on high-res screens.
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if (OperatingSystem.IsWindowsVersionAtLeast(6))
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{
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SetProcessDPIAware();
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}
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}
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public static double GetActualScaleFactor()
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{
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double userDpiScale = 96.0;
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try
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{
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if (OperatingSystem.IsWindows())
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{
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userDpiScale = GdiPlusHelper.GetDpiX(IntPtr.Zero);
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}
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else if (OperatingSystem.IsLinux())
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{
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string xdgSessionType = Environment.GetEnvironmentVariable("XDG_SESSION_TYPE")?.ToLower();
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if (xdgSessionType == null || xdgSessionType == "x11")
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{
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IntPtr display = XOpenDisplay(null);
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string dpiString = Marshal.PtrToStringAnsi(XGetDefault(display, "Xft", "dpi"));
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if (dpiString == null || !double.TryParse(dpiString, NumberStyles.Any, CultureInfo.InvariantCulture, out userDpiScale))
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{
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userDpiScale = (double)XDisplayWidth(display, 0) * 25.4 / (double)XDisplayWidthMM(display, 0);
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}
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XCloseDisplay(display);
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}
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else if (xdgSessionType == "wayland")
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{
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// TODO
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Logger.Warning?.Print(LogClass.Application, $"Couldn't determine monitor DPI: Wayland not yet supported");
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}
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else
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{
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Logger.Warning?.Print(LogClass.Application, $"Couldn't determine monitor DPI: Unrecognised XDG_SESSION_TYPE: {xdgSessionType}");
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}
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}
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}
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catch (Exception e)
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{
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Logger.Warning?.Print(LogClass.Application, $"Couldn't determine monitor DPI: {e.Message}");
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}
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return userDpiScale;
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}
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public static double GetWindowScaleFactor()
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{
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double userDpiScale = GetActualScaleFactor();
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return Math.Min(userDpiScale / _standardDpiScale, _maxScaleFactor);
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}
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}
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}
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