From dacb3b089158fa8b70d7eb869c05f88e927c8002 Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Tue, 25 Nov 2025 10:30:53 +0100
Subject: [PATCH] Fix rendering on Intel-based macOS to use integrated GPU
 primarly

---
 Source/Engine/GraphicsDevice/Vulkan/GPUDeviceVulkan.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Source/Engine/GraphicsDevice/Vulkan/GPUDeviceVulkan.cpp b/Source/Engine/GraphicsDevice/Vulkan/GPUDeviceVulkan.cpp
index e96f7b3b3..bc33d9d86 100644
--- a/Source/Engine/GraphicsDevice/Vulkan/GPUDeviceVulkan.cpp
+++ b/Source/Engine/GraphicsDevice/Vulkan/GPUDeviceVulkan.cpp
@@ -1187,6 +1187,10 @@ GPUDevice* GPUDeviceVulkan::Create()
         return nullptr;
     }
     uint32 vendorId = 0;
+#if PLATFORM_MAC && PLATFORM_ARCH_X64
+    // Intel-based macs have artifacts on MoltenVK when using dedicated AMD GPU so fallback to integrated Intel GPU
+    vendorId = GPU_VENDOR_ID_INTEL;
+#endif
     if (CommandLine::Options.NVIDIA.IsTrue())
         vendorId = GPU_VENDOR_ID_NVIDIA;
     else if (CommandLine::Options.AMD.IsTrue())