From 2ca935dc72b9626c7e6bbc175d28c11b1b2289ed Mon Sep 17 00:00:00 2001
From: Bill Hollings <bill.hollings@brenwill.com>
Date: Thu, 6 Jun 2024 15:51:37 -0400
Subject: [PATCH] Fix crash when
 VkPipelineShaderStageCreateInfo::pTessellationState is null.

---
 MoltenVK/MoltenVK/GPUObjects/MVKPipeline.mm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/MoltenVK/MoltenVK/GPUObjects/MVKPipeline.mm b/MoltenVK/MoltenVK/GPUObjects/MVKPipeline.mm
index e10f03d18..ae6d60087 100644
--- a/MoltenVK/MoltenVK/GPUObjects/MVKPipeline.mm
+++ b/MoltenVK/MoltenVK/GPUObjects/MVKPipeline.mm
@@ -1592,7 +1592,7 @@ static MTLVertexFormat mvkAdjustFormatVectorToSize(MTLVertexFormat format, uint3
 													const VkPipelineTessellationStateCreateInfo* pTS) {
 
 	VkPipelineTessellationDomainOriginStateCreateInfo* pTessDomainOriginState = nullptr;
-	if (reflectData.patchKind == spv::ExecutionModeTriangles) {
+	if (pTS && reflectData.patchKind == spv::ExecutionModeTriangles) {
 		for (const auto* next = (VkBaseInStructure*)pTS->pNext; next; next = next->pNext) {
 			switch (next->sType) {
 			case VK_STRUCTURE_TYPE_PIPELINE_TESSELLATION_DOMAIN_ORIGIN_STATE_CREATE_INFO: