From d8d33417e9e2f451a66af2d1ef2543392bd25f90 Mon Sep 17 00:00:00 2001
From: sunshineinabox <aqemail@gmail.com>
Date: Wed, 29 May 2024 10:14:12 -0700
Subject: [PATCH] Fix oversight with implementing Primitive Topology Dynamic
 State

---
 src/Ryujinx.Graphics.Vulkan/PipelineBase.cs  | 13 ++++++++-----
 src/Ryujinx.Graphics.Vulkan/PipelineState.cs | 11 +++++++++++
 2 files changed, 19 insertions(+), 5 deletions(-)

diff --git a/src/Ryujinx.Graphics.Vulkan/PipelineBase.cs b/src/Ryujinx.Graphics.Vulkan/PipelineBase.cs
index eec57b83d..05d2e5388 100644
--- a/src/Ryujinx.Graphics.Vulkan/PipelineBase.cs
+++ b/src/Ryujinx.Graphics.Vulkan/PipelineBase.cs
@@ -737,7 +737,7 @@ namespace Ryujinx.Graphics.Vulkan
 
                     if (oldTopologyClass != newTopologyClass)
                     {
-                        _newState.Topology = oldTopology;
+                        _newState.TopologyClass = oldTopology;
                     }
                 }
                 else
@@ -747,8 +747,9 @@ namespace Ryujinx.Graphics.Vulkan
                     _newState.DepthTestEnable = oldDepthTestEnable;
                     _newState.DepthWriteEnable = oldDepthWriteEnable;
                     _newState.ViewportsCount = oldViewportsCount;
-                    _newState.Topology = oldTopology;
                 }
+                
+                _newState.Topology = oldTopology;
 
                 DynamicState.SetViewports(ref oldViewports, oldViewportsCount);
 
@@ -1102,17 +1103,19 @@ namespace Ryujinx.Graphics.Vulkan
 
             var vkTopology = Gd.TopologyRemap(topology).Convert();
             var newTopologyClass = GetTopologyClass(vkTopology);
-            var currentTopologyClass = GetTopologyClass(_newState.Topology);
+            var currentTopologyClass = GetTopologyClass(_newState.TopologyClass);
 
             if (_supportExtDynamic)
             {
                 DynamicState.SetPrimitiveTopology(vkTopology);
             }
 
-            if (!_supportExtDynamic || (currentTopologyClass != newTopologyClass))
+            if ((currentTopologyClass != newTopologyClass))
             {
-                _newState.Topology = vkTopology;
+                _newState.TopologyClass = vkTopology;
             }
+            
+            _newState.Topology = vkTopology;
 
             SignalStateChange();
         }
diff --git a/src/Ryujinx.Graphics.Vulkan/PipelineState.cs b/src/Ryujinx.Graphics.Vulkan/PipelineState.cs
index bf2be65ca..c7d4c5ffd 100644
--- a/src/Ryujinx.Graphics.Vulkan/PipelineState.cs
+++ b/src/Ryujinx.Graphics.Vulkan/PipelineState.cs
@@ -131,6 +131,8 @@ namespace Ryujinx.Graphics.Vulkan
             set => Internal.Id7 = (Internal.Id7 & 0xFFFFFFFFFFF0FFFF) | ((ulong)value << 16);
         }
 
+        public PrimitiveTopology TopologyClass;
+        
         public LogicOp LogicOp
         {
             readonly get => (LogicOp)((Internal.Id7 >> 20) & 0xF);
@@ -437,6 +439,15 @@ namespace Ryujinx.Graphics.Vulkan
                     Topology = Topology,
                 };
 
+                if (supportsExtDynamicState)
+                {
+                    inputAssemblyState.Topology = TopologyClass;
+                }
+                else
+                {
+                    inputAssemblyState.Topology = Topology;
+                }
+
                 var tessellationState = new PipelineTessellationStateCreateInfo
                 {
                     SType = StructureType.PipelineTessellationStateCreateInfo,