From af9de85a1b39008d2c185728e1fa42b2dd301c39 Mon Sep 17 00:00:00 2001
From: sunshineinabox <aqemail@gmail.com>
Date: Sun, 4 Aug 2024 20:34:49 -0700
Subject: [PATCH] Origin of crash?

---
 src/Ryujinx.Graphics.Vulkan/HardwareCapabilities.cs | 3 +++
 src/Ryujinx.Graphics.Vulkan/PipelineBase.cs         | 5 +++++
 src/Ryujinx.Graphics.Vulkan/VulkanRenderer.cs       | 1 +
 3 files changed, 9 insertions(+)

diff --git a/src/Ryujinx.Graphics.Vulkan/HardwareCapabilities.cs b/src/Ryujinx.Graphics.Vulkan/HardwareCapabilities.cs
index c7df9bafc..9420aa31c 100644
--- a/src/Ryujinx.Graphics.Vulkan/HardwareCapabilities.cs
+++ b/src/Ryujinx.Graphics.Vulkan/HardwareCapabilities.cs
@@ -54,6 +54,7 @@ namespace Ryujinx.Graphics.Vulkan
         public readonly uint VertexBufferAlignment;
         public readonly uint SubTexelPrecisionBits;
         public readonly ulong MinResourceAlignment;
+        public readonly uint MaxTessellationPatchSize;
 
         public HardwareCapabilities(
             bool supportsIndexTypeUint8,
@@ -72,6 +73,7 @@ namespace Ryujinx.Graphics.Vulkan
             bool supportsConditionalRendering,
             bool supportsExtendedDynamicState,
             PhysicalDeviceExtendedDynamicState2FeaturesEXT supportsExtendedDynamicState2,
+            uint maxTessellationPatchSize,
             bool supportsMultiView,
             bool supportsNullDescriptors,
             bool supportsPushDescriptors,
@@ -111,6 +113,7 @@ namespace Ryujinx.Graphics.Vulkan
             SupportsConditionalRendering = supportsConditionalRendering;
             SupportsExtendedDynamicState = supportsExtendedDynamicState;
             SupportsExtendedDynamicState2 = supportsExtendedDynamicState2;
+            MaxTessellationPatchSize = maxTessellationPatchSize;
             SupportsMultiView = supportsMultiView;
             SupportsNullDescriptors = supportsNullDescriptors;
             SupportsPushDescriptors = supportsPushDescriptors;
diff --git a/src/Ryujinx.Graphics.Vulkan/PipelineBase.cs b/src/Ryujinx.Graphics.Vulkan/PipelineBase.cs
index fe4a4cb90..7afa9acce 100644
--- a/src/Ryujinx.Graphics.Vulkan/PipelineBase.cs
+++ b/src/Ryujinx.Graphics.Vulkan/PipelineBase.cs
@@ -992,6 +992,11 @@ namespace Ryujinx.Graphics.Vulkan
 
         public void SetPatchParameters(int vertices, ReadOnlySpan<float> defaultOuterLevel, ReadOnlySpan<float> defaultInnerLevel)
         {
+            if (vertices == 0 || vertices > Gd.Capabilities.MaxTessellationPatchSize)
+            {
+                return;
+            }
+            
             if (Gd.Capabilities.SupportsExtendedDynamicState2.ExtendedDynamicState2PatchControlPoints)
             {
                 DynamicState.SetPatchControlPoints((uint)vertices);
diff --git a/src/Ryujinx.Graphics.Vulkan/VulkanRenderer.cs b/src/Ryujinx.Graphics.Vulkan/VulkanRenderer.cs
index bb6216be7..fbf8856e5 100644
--- a/src/Ryujinx.Graphics.Vulkan/VulkanRenderer.cs
+++ b/src/Ryujinx.Graphics.Vulkan/VulkanRenderer.cs
@@ -404,6 +404,7 @@ namespace Ryujinx.Graphics.Vulkan
                 _physicalDevice.IsDeviceExtensionPresent(ExtConditionalRendering.ExtensionName),
                 _physicalDevice.IsDeviceExtensionPresent(ExtExtendedDynamicState.ExtensionName),
                 featuresExtendedDynamicState2,
+                _physicalDevice.PhysicalDeviceProperties.Limits.MaxTessellationPatchSize,
                 features2.Features.MultiViewport && !(IsMoltenVk && Vendor == Vendor.Amd), // Workaround for AMD on MoltenVK issue
                 featuresRobustness2.NullDescriptor || IsMoltenVk,
                 supportsPushDescriptors && !IsMoltenVk,