diff --git a/Ryujinx.Graphics.Gpu/Engine/Dma/DmaClass.cs b/Ryujinx.Graphics.Gpu/Engine/Dma/DmaClass.cs
index 8e4ac5e229..856d52a9a6 100644
--- a/Ryujinx.Graphics.Gpu/Engine/Dma/DmaClass.cs
+++ b/Ryujinx.Graphics.Gpu/Engine/Dma/DmaClass.cs
@@ -1,4 +1,5 @@
using Ryujinx.Common;
+using Ryujinx.Common.Logging;
using Ryujinx.Graphics.Device;
using Ryujinx.Graphics.Gpu.Engine.Threed;
using Ryujinx.Graphics.Texture;
@@ -98,11 +99,32 @@ namespace Ryujinx.Graphics.Gpu.Engine.Dma
}
}
+ ///
+ /// Releases a semaphore for a given LaunchDma method call.
+ ///
+ /// The LaunchDma call argument
+ private void ReleaseSemaphore(int argument)
+ {
+ LaunchDmaSemaphoreType type = (LaunchDmaSemaphoreType)((argument >> 3) & 0x3);
+ if (type != LaunchDmaSemaphoreType.None)
+ {
+ ulong address = ((ulong)_state.State.SetSemaphoreA << 32) | _state.State.SetSemaphoreB;
+ if (type == LaunchDmaSemaphoreType.ReleaseOneWordSemaphore)
+ {
+ _channel.MemoryManager.Write(address, _state.State.SetSemaphorePayload);
+ }
+ else /* if (type == LaunchDmaSemaphoreType.ReleaseFourWordSemaphore) */
+ {
+ Logger.Warning?.Print(LogClass.Gpu, "DMA semaphore type ReleaseFourWordSemaphore was used, but is not currently implemented.");
+ }
+ }
+ }
+
///
/// Performs a buffer to buffer, or buffer to texture copy.
///
- /// Method call argument
- private void LaunchDma(int argument)
+ /// The LaunchDma call argument
+ private void DmaCopy(int argument)
{
var memoryManager = _channel.MemoryManager;
@@ -296,5 +318,15 @@ namespace Ryujinx.Graphics.Gpu.Engine.Dma
}
}
}
+
+ ///
+ /// Performs a buffer to buffer, or buffer to texture copy, then optionally releases a semaphore.
+ ///
+ /// Method call argument
+ private void LaunchDma(int argument)
+ {
+ DmaCopy(argument);
+ ReleaseSemaphore(argument);
+ }
}
}