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-rw-r--r--src/Ryujinx.Common/SystemInterop/DisplaySleep.cs35
-rw-r--r--src/Ryujinx.Common/SystemInterop/ForceDpiAware.cs96
-rw-r--r--src/Ryujinx.Common/SystemInterop/GdiPlusHelper.cs76
-rw-r--r--src/Ryujinx.Common/SystemInterop/StdErrAdapter.cs109
-rw-r--r--src/Ryujinx.Common/SystemInterop/WindowsMultimediaTimerResolution.cs114
5 files changed, 430 insertions, 0 deletions
diff --git a/src/Ryujinx.Common/SystemInterop/DisplaySleep.cs b/src/Ryujinx.Common/SystemInterop/DisplaySleep.cs
new file mode 100644
index 00000000..5a1f66f5
--- /dev/null
+++ b/src/Ryujinx.Common/SystemInterop/DisplaySleep.cs
@@ -0,0 +1,35 @@
+using System;
+using System.Runtime.InteropServices;
+
+namespace Ryujinx.Common.SystemInterop
+{
+ public partial class DisplaySleep
+ {
+ [Flags]
+ enum EXECUTION_STATE : uint
+ {
+ ES_CONTINUOUS = 0x80000000,
+ ES_DISPLAY_REQUIRED = 0x00000002,
+ ES_SYSTEM_REQUIRED = 0x00000001
+ }
+
+ [LibraryImport("kernel32.dll", SetLastError = true)]
+ private static partial EXECUTION_STATE SetThreadExecutionState(EXECUTION_STATE esFlags);
+
+ static public void Prevent()
+ {
+ if (OperatingSystem.IsWindows())
+ {
+ SetThreadExecutionState(EXECUTION_STATE.ES_CONTINUOUS | EXECUTION_STATE.ES_SYSTEM_REQUIRED | EXECUTION_STATE.ES_DISPLAY_REQUIRED);
+ }
+ }
+
+ static public void Restore()
+ {
+ if (OperatingSystem.IsWindows())
+ {
+ SetThreadExecutionState(EXECUTION_STATE.ES_CONTINUOUS);
+ }
+ }
+ }
+}
diff --git a/src/Ryujinx.Common/SystemInterop/ForceDpiAware.cs b/src/Ryujinx.Common/SystemInterop/ForceDpiAware.cs
new file mode 100644
index 00000000..f17612a6
--- /dev/null
+++ b/src/Ryujinx.Common/SystemInterop/ForceDpiAware.cs
@@ -0,0 +1,96 @@
+using Ryujinx.Common.Logging;
+using System;
+using System.Globalization;
+using System.Runtime.InteropServices;
+
+namespace Ryujinx.Common.SystemInterop
+{
+ public static partial class ForceDpiAware
+ {
+ [LibraryImport("user32.dll")]
+ [return: MarshalAs(UnmanagedType.Bool)]
+ private static partial bool SetProcessDPIAware();
+
+ private const string X11LibraryName = "libX11.so.6";
+
+ [LibraryImport(X11LibraryName)]
+ private static partial IntPtr XOpenDisplay([MarshalAs(UnmanagedType.LPStr)] string display);
+
+ [LibraryImport(X11LibraryName)]
+ private static partial IntPtr XGetDefault(IntPtr display, [MarshalAs(UnmanagedType.LPStr)] string program, [MarshalAs(UnmanagedType.LPStr)] string option);
+
+ [LibraryImport(X11LibraryName)]
+ private static partial int XDisplayWidth(IntPtr display, int screenNumber);
+
+ [LibraryImport(X11LibraryName)]
+ private static partial int XDisplayWidthMM(IntPtr display, int screenNumber);
+
+ [LibraryImport(X11LibraryName)]
+ private static partial int XCloseDisplay(IntPtr display);
+
+ private static readonly double _standardDpiScale = 96.0;
+ private static readonly double _maxScaleFactor = 1.25;
+
+ /// <summary>
+ /// Marks the application as DPI-Aware when running on the Windows operating system.
+ /// </summary>
+ public static void Windows()
+ {
+ // Make process DPI aware for proper window sizing on high-res screens.
+ if (OperatingSystem.IsWindowsVersionAtLeast(6))
+ {
+ SetProcessDPIAware();
+ }
+ }
+
+ public static double GetActualScaleFactor()
+ {
+ double userDpiScale = 96.0;
+
+ try
+ {
+ if (OperatingSystem.IsWindows())
+ {
+ userDpiScale = GdiPlusHelper.GetDpiX(IntPtr.Zero);
+ }
+ else if (OperatingSystem.IsLinux())
+ {
+ string xdgSessionType = Environment.GetEnvironmentVariable("XDG_SESSION_TYPE")?.ToLower();
+
+ if (xdgSessionType == null || xdgSessionType == "x11")
+ {
+ IntPtr display = XOpenDisplay(null);
+ string dpiString = Marshal.PtrToStringAnsi(XGetDefault(display, "Xft", "dpi"));
+ if (dpiString == null || !double.TryParse(dpiString, NumberStyles.Any, CultureInfo.InvariantCulture, out userDpiScale))
+ {
+ userDpiScale = (double)XDisplayWidth(display, 0) * 25.4 / (double)XDisplayWidthMM(display, 0);
+ }
+ XCloseDisplay(display);
+ }
+ else if (xdgSessionType == "wayland")
+ {
+ // TODO
+ Logger.Warning?.Print(LogClass.Application, $"Couldn't determine monitor DPI: Wayland not yet supported");
+ }
+ else
+ {
+ Logger.Warning?.Print(LogClass.Application, $"Couldn't determine monitor DPI: Unrecognised XDG_SESSION_TYPE: {xdgSessionType}");
+ }
+ }
+ }
+ catch (Exception e)
+ {
+ Logger.Warning?.Print(LogClass.Application, $"Couldn't determine monitor DPI: {e.Message}");
+ }
+
+ return userDpiScale;
+ }
+
+ public static double GetWindowScaleFactor()
+ {
+ double userDpiScale = GetActualScaleFactor();
+
+ return Math.Min(userDpiScale / _standardDpiScale, _maxScaleFactor);
+ }
+ }
+}
diff --git a/src/Ryujinx.Common/SystemInterop/GdiPlusHelper.cs b/src/Ryujinx.Common/SystemInterop/GdiPlusHelper.cs
new file mode 100644
index 00000000..1001424d
--- /dev/null
+++ b/src/Ryujinx.Common/SystemInterop/GdiPlusHelper.cs
@@ -0,0 +1,76 @@
+using System;
+using System.Runtime.InteropServices;
+using System.Runtime.Versioning;
+
+namespace Ryujinx.Common.SystemInterop
+{
+ [SupportedOSPlatform("windows")]
+ public static partial class GdiPlusHelper
+ {
+ private const string LibraryName = "gdiplus.dll";
+
+ private static readonly IntPtr _initToken;
+
+ static GdiPlusHelper()
+ {
+ CheckStatus(GdiplusStartup(out _initToken, StartupInputEx.Default, out _));
+ }
+
+ private static void CheckStatus(int gdiStatus)
+ {
+ if (gdiStatus != 0)
+ {
+ throw new Exception($"GDI Status Error: {gdiStatus}");
+ }
+ }
+
+ private struct StartupInputEx
+ {
+ public int GdiplusVersion;
+
+#pragma warning disable CS0649
+ public IntPtr DebugEventCallback;
+ public int SuppressBackgroundThread;
+ public int SuppressExternalCodecs;
+ public int StartupParameters;
+#pragma warning restore CS0649
+
+ public static StartupInputEx Default => new StartupInputEx
+ {
+ // We assume Windows 8 and upper
+ GdiplusVersion = 2,
+ DebugEventCallback = IntPtr.Zero,
+ SuppressBackgroundThread = 0,
+ SuppressExternalCodecs = 0,
+ StartupParameters = 0,
+ };
+ }
+
+ private struct StartupOutput
+ {
+ public IntPtr NotificationHook;
+ public IntPtr NotificationUnhook;
+ }
+
+ [LibraryImport(LibraryName)]
+ private static partial int GdiplusStartup(out IntPtr token, in StartupInputEx input, out StartupOutput output);
+
+ [LibraryImport(LibraryName)]
+ private static partial int GdipCreateFromHWND(IntPtr hwnd, out IntPtr graphics);
+
+ [LibraryImport(LibraryName)]
+ private static partial int GdipDeleteGraphics(IntPtr graphics);
+
+ [LibraryImport(LibraryName)]
+ private static partial int GdipGetDpiX(IntPtr graphics, out float dpi);
+
+ public static float GetDpiX(IntPtr hwnd)
+ {
+ CheckStatus(GdipCreateFromHWND(hwnd, out IntPtr graphicsHandle));
+ CheckStatus(GdipGetDpiX(graphicsHandle, out float result));
+ CheckStatus(GdipDeleteGraphics(graphicsHandle));
+
+ return result;
+ }
+ }
+}
diff --git a/src/Ryujinx.Common/SystemInterop/StdErrAdapter.cs b/src/Ryujinx.Common/SystemInterop/StdErrAdapter.cs
new file mode 100644
index 00000000..b1ed7b68
--- /dev/null
+++ b/src/Ryujinx.Common/SystemInterop/StdErrAdapter.cs
@@ -0,0 +1,109 @@
+using Microsoft.Win32.SafeHandles;
+using Ryujinx.Common.Logging;
+using System;
+using System.IO;
+using System.Runtime.InteropServices;
+using System.Runtime.Versioning;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace Ryujinx.Common.SystemInterop
+{
+ public partial class StdErrAdapter : IDisposable
+ {
+ private bool _disposable = false;
+ private Stream _pipeReader;
+ private Stream _pipeWriter;
+ private CancellationTokenSource _cancellationTokenSource;
+ private Task _worker;
+
+ public StdErrAdapter()
+ {
+ if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS())
+ {
+ RegisterPosix();
+ }
+ }
+
+ [SupportedOSPlatform("linux")]
+ [SupportedOSPlatform("macos")]
+ private void RegisterPosix()
+ {
+ const int stdErrFileno = 2;
+
+ (int readFd, int writeFd) = MakePipe();
+ dup2(writeFd, stdErrFileno);
+
+ _pipeReader = CreateFileDescriptorStream(readFd);
+ _pipeWriter = CreateFileDescriptorStream(writeFd);
+
+ _cancellationTokenSource = new CancellationTokenSource();
+ _worker = Task.Run(async () => await EventWorkerAsync(_cancellationTokenSource.Token), _cancellationTokenSource.Token);
+ _disposable = true;
+ }
+
+ [SupportedOSPlatform("linux")]
+ [SupportedOSPlatform("macos")]
+ private async Task EventWorkerAsync(CancellationToken cancellationToken)
+ {
+ using TextReader reader = new StreamReader(_pipeReader, leaveOpen: true);
+ string line;
+ while (cancellationToken.IsCancellationRequested == false && (line = await reader.ReadLineAsync(cancellationToken)) != null)
+ {
+ Logger.Error?.PrintRawMsg(line);
+ }
+ }
+
+ private void Dispose(bool disposing)
+ {
+ if (_disposable)
+ {
+ _disposable = false;
+
+ if (OperatingSystem.IsLinux() || OperatingSystem.IsMacOS())
+ {
+ _cancellationTokenSource.Cancel();
+ _worker.Wait(0);
+ _pipeReader?.Close();
+ _pipeWriter?.Close();
+ }
+ }
+ }
+
+ public void Dispose()
+ {
+ Dispose(true);
+ }
+
+ [LibraryImport("libc", SetLastError = true)]
+ private static partial int dup2(int fd, int fd2);
+
+ [LibraryImport("libc", SetLastError = true)]
+ private static partial int pipe(Span<int> pipefd);
+
+ private static (int, int) MakePipe()
+ {
+ Span<int> pipefd = stackalloc int[2];
+
+ if (pipe(pipefd) == 0)
+ {
+ return (pipefd[0], pipefd[1]);
+ }
+ else
+ {
+ throw new();
+ }
+ }
+
+ [SupportedOSPlatform("linux")]
+ [SupportedOSPlatform("macos")]
+ private static Stream CreateFileDescriptorStream(int fd)
+ {
+ return new FileStream(
+ new SafeFileHandle((IntPtr)fd, ownsHandle: true),
+ FileAccess.ReadWrite
+ );
+ }
+
+ }
+}
diff --git a/src/Ryujinx.Common/SystemInterop/WindowsMultimediaTimerResolution.cs b/src/Ryujinx.Common/SystemInterop/WindowsMultimediaTimerResolution.cs
new file mode 100644
index 00000000..a4fbf0bd
--- /dev/null
+++ b/src/Ryujinx.Common/SystemInterop/WindowsMultimediaTimerResolution.cs
@@ -0,0 +1,114 @@
+using Ryujinx.Common.Logging;
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using System.Runtime.Versioning;
+
+namespace Ryujinx.Common.SystemInterop
+{
+ /// <summary>
+ /// Handle Windows Multimedia timer resolution.
+ /// </summary>
+ [SupportedOSPlatform("windows")]
+ public partial class WindowsMultimediaTimerResolution : IDisposable
+ {
+ [StructLayout(LayoutKind.Sequential)]
+ public struct TimeCaps
+ {
+ public uint wPeriodMin;
+ public uint wPeriodMax;
+ };
+
+ [LibraryImport("winmm.dll", EntryPoint = "timeGetDevCaps", SetLastError = true)]
+ private static partial uint TimeGetDevCaps(ref TimeCaps timeCaps, uint sizeTimeCaps);
+
+ [LibraryImport("winmm.dll", EntryPoint = "timeBeginPeriod")]
+ private static partial uint TimeBeginPeriod(uint uMilliseconds);
+
+ [LibraryImport("winmm.dll", EntryPoint = "timeEndPeriod")]
+ private static partial uint TimeEndPeriod(uint uMilliseconds);
+
+ private uint _targetResolutionInMilliseconds;
+ private bool _isActive;
+
+ /// <summary>
+ /// Create a new <see cref="WindowsMultimediaTimerResolution"/> and activate the given resolution.
+ /// </summary>
+ /// <param name="targetResolutionInMilliseconds"></param>
+ public WindowsMultimediaTimerResolution(uint targetResolutionInMilliseconds)
+ {
+ _targetResolutionInMilliseconds = targetResolutionInMilliseconds;
+
+ EnsureResolutionSupport();
+ Activate();
+ }
+
+ private void EnsureResolutionSupport()
+ {
+ TimeCaps timeCaps = default;
+
+ uint result = TimeGetDevCaps(ref timeCaps, (uint)Unsafe.SizeOf<TimeCaps>());
+
+ if (result != 0)
+ {
+ Logger.Notice.Print(LogClass.Application, $"timeGetDevCaps failed with result: {result}");
+ }
+ else
+ {
+ uint supportedTargetResolutionInMilliseconds = Math.Min(Math.Max(timeCaps.wPeriodMin, _targetResolutionInMilliseconds), timeCaps.wPeriodMax);
+
+ if (supportedTargetResolutionInMilliseconds != _targetResolutionInMilliseconds)
+ {
+ Logger.Notice.Print(LogClass.Application, $"Target resolution isn't supported by OS, using closest resolution: {supportedTargetResolutionInMilliseconds}ms");
+
+ _targetResolutionInMilliseconds = supportedTargetResolutionInMilliseconds;
+ }
+ }
+ }
+
+ private void Activate()
+ {
+ uint result = TimeBeginPeriod(_targetResolutionInMilliseconds);
+
+ if (result != 0)
+ {
+ Logger.Notice.Print(LogClass.Application, $"timeBeginPeriod failed with result: {result}");
+ }
+ else
+ {
+ _isActive = true;
+ }
+ }
+
+ private void Disable()
+ {
+ if (_isActive)
+ {
+ uint result = TimeEndPeriod(_targetResolutionInMilliseconds);
+
+ if (result != 0)
+ {
+ Logger.Notice.Print(LogClass.Application, $"timeEndPeriod failed with result: {result}");
+ }
+ else
+ {
+ _isActive = false;
+ }
+ }
+ }
+
+ public void Dispose()
+ {
+ Dispose(true);
+ GC.SuppressFinalize(this);
+ }
+
+ protected virtual void Dispose(bool disposing)
+ {
+ if (disposing)
+ {
+ Disable();
+ }
+ }
+ }
+} \ No newline at end of file