Note Metal requirement in UserGuide.md
diff --git a/Docs/MoltenVK_Runtime_UserGuide.md b/Docs/MoltenVK_Runtime_UserGuide.md
index 454c952..2dbd6e8 100644
--- a/Docs/MoltenVK_Runtime_UserGuide.md
+++ b/Docs/MoltenVK_Runtime_UserGuide.md
@@ -271,7 +271,7 @@
- `VK_KHR_device_group_creation`
- `VK_KHR_driver_properties`
- `VK_KHR_dynamic_rendering`
-- `VK_KHR_fragment_shader_barycentric`
+- `VK_KHR_fragment_shader_barycentric` *(requires Metal 2.2 on Mac or Metal 2.3 on iOS)*
- `VK_KHR_get_memory_requirements2`
- `VK_KHR_get_physical_device_properties2`
- `VK_KHR_get_surface_capabilities2`
diff --git a/MoltenVK/MoltenVK/GPUObjects/MVKDevice.mm b/MoltenVK/MoltenVK/GPUObjects/MVKDevice.mm
index 0693632..836bd30 100644
--- a/MoltenVK/MoltenVK/GPUObjects/MVKDevice.mm
+++ b/MoltenVK/MoltenVK/GPUObjects/MVKDevice.mm
@@ -289,7 +289,7 @@
}
case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FRAGMENT_SHADER_BARYCENTRIC_FEATURES_KHR: {
auto* barycentricProperties = (VkPhysicalDeviceFragmentShaderBarycentricFeaturesKHR*)next;
- barycentricProperties->fragmentShaderBarycentric = true;
+ barycentricProperties->fragmentShaderBarycentric = [_mtlDevice barycentricCoordsSupported];
break;
}
default:
