diff options
Diffstat (limited to 'Ryujinx.Common/System/WindowsMultimediaTimerResolution.cs')
| -rw-r--r-- | Ryujinx.Common/System/WindowsMultimediaTimerResolution.cs | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/Ryujinx.Common/System/WindowsMultimediaTimerResolution.cs b/Ryujinx.Common/System/WindowsMultimediaTimerResolution.cs deleted file mode 100644 index d19fbe73..00000000 --- a/Ryujinx.Common/System/WindowsMultimediaTimerResolution.cs +++ /dev/null @@ -1,114 +0,0 @@ -using Ryujinx.Common.Logging; -using System; -using System.Runtime.CompilerServices; -using System.Runtime.InteropServices; -using System.Runtime.Versioning; - -namespace Ryujinx.Common.System -{ - /// <summary> - /// Handle Windows Multimedia timer resolution. - /// </summary> - [SupportedOSPlatform("windows")] - public class WindowsMultimediaTimerResolution : IDisposable - { - [StructLayout(LayoutKind.Sequential)] - public struct TimeCaps - { - public uint wPeriodMin; - public uint wPeriodMax; - }; - - [DllImport("winmm.dll", EntryPoint = "timeGetDevCaps", SetLastError = true)] - private static extern uint TimeGetDevCaps(ref TimeCaps timeCaps, uint sizeTimeCaps); - - [DllImport("winmm.dll", EntryPoint = "timeBeginPeriod")] - private static extern uint TimeBeginPeriod(uint uMilliseconds); - - [DllImport("winmm.dll", EntryPoint = "timeEndPeriod")] - private static extern 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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