From b0d9ec8a8202039b21fb799707c8d26f37c4fbfd Mon Sep 17 00:00:00 2001
From: gdkchan <gab.dark.100@gmail.com>
Date: Fri, 3 Jul 2020 19:30:41 -0300
Subject: [PATCH] Fix compute restore of previous shader state (#1352)

---
 Ryujinx.Graphics.Gpu/Engine/Compute.cs | 2 +-
 Ryujinx.Graphics.Gpu/Engine/Methods.cs | 6 +++++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/Ryujinx.Graphics.Gpu/Engine/Compute.cs b/Ryujinx.Graphics.Gpu/Engine/Compute.cs
index 9f0034eb..4d18f4d3 100644
--- a/Ryujinx.Graphics.Gpu/Engine/Compute.cs
+++ b/Ryujinx.Graphics.Gpu/Engine/Compute.cs
@@ -163,7 +163,7 @@ namespace Ryujinx.Graphics.Gpu.Engine
                 qmd.CtaRasterHeight,
                 qmd.CtaRasterDepth);
 
-            UpdateShaderState(state);
+            _forceShaderUpdate = true;
         }
     }
 }
\ No newline at end of file
diff --git a/Ryujinx.Graphics.Gpu/Engine/Methods.cs b/Ryujinx.Graphics.Gpu/Engine/Methods.cs
index 5957bb62..fc933131 100644
--- a/Ryujinx.Graphics.Gpu/Engine/Methods.cs
+++ b/Ryujinx.Graphics.Gpu/Engine/Methods.cs
@@ -38,6 +38,8 @@ namespace Ryujinx.Graphics.Gpu.Engine
         private bool _isAnyVbInstanced;
         private bool _vsUsesInstanceId;
 
+        private bool _forceShaderUpdate;
+
         /// <summary>
         /// Creates a new instance of the GPU methods class.
         /// </summary>
@@ -121,8 +123,10 @@ namespace Ryujinx.Graphics.Gpu.Engine
             // Shaders must be the first one to be updated if modified, because
             // some of the other state depends on information from the currently
             // bound shaders.
-            if (state.QueryModified(MethodOffset.ShaderBaseAddress, MethodOffset.ShaderState))
+            if (state.QueryModified(MethodOffset.ShaderBaseAddress, MethodOffset.ShaderState) || _forceShaderUpdate)
             {
+                _forceShaderUpdate = false;
+
                 UpdateShaderState(state);
             }