From f224769c493e80ab2bd9a674be697461749e0b94 Mon Sep 17 00:00:00 2001
From: riperiperi <rhy3756547@hotmail.com>
Date: Fri, 10 Jul 2020 18:23:15 +0100
Subject: Implement Logical Operation registers and functionality (#1380)

* Implement Logical Operation registers and functionality.

* Address Feedback 1
---
 Ryujinx.Graphics.Gpu/Engine/Methods.cs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'Ryujinx.Graphics.Gpu/Engine/Methods.cs')

diff --git a/Ryujinx.Graphics.Gpu/Engine/Methods.cs b/Ryujinx.Graphics.Gpu/Engine/Methods.cs
index 5677c8a0..06298cdf 100644
--- a/Ryujinx.Graphics.Gpu/Engine/Methods.cs
+++ b/Ryujinx.Graphics.Gpu/Engine/Methods.cs
@@ -252,6 +252,11 @@ namespace Ryujinx.Graphics.Gpu.Engine
                 UpdateBlendState(state);
             }
 
+            if (state.QueryModified(MethodOffset.LogicOpState))
+            {
+                UpdateLogicOpState(state);
+            }
+
             CommitBindings();
         }
 
@@ -875,6 +880,17 @@ namespace Ryujinx.Graphics.Gpu.Engine
             }
         }
 
+        /// <summary>
+        /// Updates host logical operation state, based on guest state.
+        /// </summary>
+        /// <param name="state">Current GPU state</param>
+        public void UpdateLogicOpState(GpuState state)
+        {
+            LogicalOpState logicOpState = state.Get<LogicalOpState>(MethodOffset.LogicOpState);
+
+            _context.Renderer.Pipeline.SetLogicOpState(logicOpState.Enable, logicOpState.LogicalOp);
+        }
+
         /// <summary>
         /// Storage buffer address and size information.
         /// </summary>
-- 
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