From ec8a5fd05362f04cc77436ee3e45a9188777f75e Mon Sep 17 00:00:00 2001
From: Logan Stromberg <lostromb@microsoft.com>
Date: Thu, 23 Dec 2021 16:48:27 -0800
Subject: [PATCH] Revert "Add support for releasing a semaphore to DmaClass
 (#2926)"

This reverts commit 521a07e6125d3a5d9781512639387a9be5f09107.
---
 Ryujinx.Graphics.Gpu/Engine/Dma/DmaClass.cs | 36 ++-------------------
 1 file changed, 2 insertions(+), 34 deletions(-)

diff --git a/Ryujinx.Graphics.Gpu/Engine/Dma/DmaClass.cs b/Ryujinx.Graphics.Gpu/Engine/Dma/DmaClass.cs
index 856d52a9a..8e4ac5e22 100644
--- a/Ryujinx.Graphics.Gpu/Engine/Dma/DmaClass.cs
+++ b/Ryujinx.Graphics.Gpu/Engine/Dma/DmaClass.cs
@@ -1,5 +1,4 @@
 using Ryujinx.Common;
-using Ryujinx.Common.Logging;
 using Ryujinx.Graphics.Device;
 using Ryujinx.Graphics.Gpu.Engine.Threed;
 using Ryujinx.Graphics.Texture;
@@ -99,32 +98,11 @@ namespace Ryujinx.Graphics.Gpu.Engine.Dma
             }
         }
 
-        /// <summary>
-        /// Releases a semaphore for a given LaunchDma method call.
-        /// </summary>
-        /// <param name="argument">The LaunchDma call argument</param>
-        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.");
-                }
-            }
-        }
-
         /// <summary>
         /// Performs a buffer to buffer, or buffer to texture copy.
         /// </summary>
-        /// <param name="argument">The LaunchDma call argument</param>
-        private void DmaCopy(int argument)
+        /// <param name="argument">Method call argument</param>
+        private void LaunchDma(int argument)
         {
             var memoryManager = _channel.MemoryManager;
 
@@ -318,15 +296,5 @@ namespace Ryujinx.Graphics.Gpu.Engine.Dma
                 }
             }
         }
-
-        /// <summary>
-        /// Performs a buffer to buffer, or buffer to texture copy, then optionally releases a semaphore.
-        /// </summary>
-        /// <param name="argument">Method call argument</param>
-        private void LaunchDma(int argument)
-        {
-            DmaCopy(argument);
-            ReleaseSemaphore(argument);
-        }
     }
 }