diff options
| author | Isaac Marovitz <42140194+IsaacMarovitz@users.noreply.github.com> | 2022-12-15 12:07:31 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-12-15 18:07:31 +0100 |
| commit | 0fbcd630bc57885d6b94fd3c4b3546493e09059e (patch) | |
| tree | 8e1f74775d3393d85e86a845c119a43907459884 /Ryujinx.Common/SystemInterop/WindowsMultimediaTimerResolution.cs | |
| parent | f4d731ae2094128dcd1dc4a4be60b068047a77a7 (diff) | |
Replace `DllImport` usage with `LibraryImport` (#4084)1.1.472
* 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>
Diffstat (limited to 'Ryujinx.Common/SystemInterop/WindowsMultimediaTimerResolution.cs')
| -rw-r--r-- | Ryujinx.Common/SystemInterop/WindowsMultimediaTimerResolution.cs | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/Ryujinx.Common/SystemInterop/WindowsMultimediaTimerResolution.cs b/Ryujinx.Common/SystemInterop/WindowsMultimediaTimerResolution.cs new file mode 100644 index 00000000..a4fbf0bd --- /dev/null +++ b/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(); + } + } + } +}
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