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Add support for releasing a semaphore to DmaClass (#2926)
* Add support for releasing a semaphore to DmaClass Fixes freezes in OpenGL games, primarily GameMaker ones such as Undertale. * Address Feedback
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@ -1,4 +1,5 @@
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using Ryujinx.Common;
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using Ryujinx.Common.Logging;
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using Ryujinx.Graphics.Device;
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using Ryujinx.Graphics.Gpu.Engine.Threed;
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using Ryujinx.Graphics.Texture;
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@ -98,11 +99,32 @@ namespace Ryujinx.Graphics.Gpu.Engine.Dma
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}
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}
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/// <summary>
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/// Releases a semaphore for a given LaunchDma method call.
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/// </summary>
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/// <param name="argument">The LaunchDma call argument</param>
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private void ReleaseSemaphore(int argument)
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{
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LaunchDmaSemaphoreType type = (LaunchDmaSemaphoreType)((argument >> 3) & 0x3);
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if (type != LaunchDmaSemaphoreType.None)
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{
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ulong address = ((ulong)_state.State.SetSemaphoreA << 32) | _state.State.SetSemaphoreB;
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if (type == LaunchDmaSemaphoreType.ReleaseOneWordSemaphore)
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{
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_channel.MemoryManager.Write(address, _state.State.SetSemaphorePayload);
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}
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else /* if (type == LaunchDmaSemaphoreType.ReleaseFourWordSemaphore) */
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{
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Logger.Warning?.Print(LogClass.Gpu, "DMA semaphore type ReleaseFourWordSemaphore was used, but is not currently implemented.");
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}
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}
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}
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/// <summary>
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/// Performs a buffer to buffer, or buffer to texture copy.
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/// </summary>
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/// <param name="argument">Method call argument</param>
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private void LaunchDma(int argument)
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/// <param name="argument">The LaunchDma call argument</param>
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private void DmaCopy(int argument)
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{
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var memoryManager = _channel.MemoryManager;
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@ -296,5 +318,15 @@ namespace Ryujinx.Graphics.Gpu.Engine.Dma
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}
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}
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}
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/// <summary>
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/// Performs a buffer to buffer, or buffer to texture copy, then optionally releases a semaphore.
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/// </summary>
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/// <param name="argument">Method call argument</param>
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private void LaunchDma(int argument)
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{
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DmaCopy(argument);
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ReleaseSemaphore(argument);
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}
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}
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}
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