Source: https://github.com/Gcenx/MoltenVK/commit/1f268bd45f6c928784d7cb90dedce382895f10ae

Fake extensions for DXVK;
- _features.geometryShader
- _features.tessellationShader
- _features.shaderCullDistance

Enabled defaults;
- MVK_ALLOW_METAL_FENCES=1
- MVK_CONFIG_RESUME_LOST_DEVICE=1
---
 MoltenVK/MoltenVK/GPUObjects/MVKDevice.mm  | 3 +++
 MoltenVK/MoltenVK/Utility/MVKEnvironment.h | 4 ++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/MoltenVK/MoltenVK/GPUObjects/MVKDevice.mm b/MoltenVK/MoltenVK/GPUObjects/MVKDevice.mm
index bc6d19df..e1959c6e 100644
--- a/MoltenVK/MoltenVK/GPUObjects/MVKDevice.mm
+++ b/MoltenVK/MoltenVK/GPUObjects/MVKDevice.mm
@@ -1656,6 +1656,8 @@
     _features.robustBufferAccess = true;  // XXX Required by Vulkan spec
     _features.fullDrawIndexUint32 = true;
     _features.independentBlend = true;
+    _features.geometryShader = true;  // XXX Required by DXVK for D3D10
+    _features.tessellationShader = true;  // XXX Required by DXVK for D3D11
     _features.sampleRateShading = true;
     _features.depthBiasClamp = true;
     _features.fillModeNonSolid = true;
@@ -1669,6 +1671,7 @@
     _features.shaderUniformBufferArrayDynamicIndexing = true;
     _features.shaderStorageBufferArrayDynamicIndexing = true;
     _features.shaderClipDistance = true;
+    _features.shaderCullDistance = true;  // XXX Required by DXVK for 10level9
     _features.shaderInt16 = true;
     _features.multiDrawIndirect = true;
     _features.inheritedQueries = true;
diff --git a/MoltenVK/MoltenVK/Utility/MVKEnvironment.h b/MoltenVK/MoltenVK/Utility/MVKEnvironment.h
index 81d0defc..80c414d3 100644
--- a/MoltenVK/MoltenVK/Utility/MVKEnvironment.h
+++ b/MoltenVK/MoltenVK/Utility/MVKEnvironment.h
@@ -240,7 +240,7 @@ void mvkSetConfig(const MVKConfiguration& mvkConfig);
 #   define MVK_ALLOW_METAL_EVENTS    1
 #endif
 #ifndef MVK_ALLOW_METAL_FENCES
-#   define MVK_ALLOW_METAL_FENCES    0
+#   define MVK_ALLOW_METAL_FENCES    1 // XXX Required by DXVK for Apple/NVidia GPUs (better FPS than CPU Emulation)
 #endif
 
 /** Substitute Metal 2D textures for Vulkan 1D images. Enabled by default. */
@@ -275,7 +275,7 @@ void mvkSetConfig(const MVKConfiguration& mvkConfig);
 
 /** Resume MVKDevice VK_ERROR_DEVICE_LOST errors that do not cause MVKPhysicalDevice errors. Disabled by default. */
 #ifndef MVK_CONFIG_RESUME_LOST_DEVICE
-#   define MVK_CONFIG_RESUME_LOST_DEVICE    0
+#   define MVK_CONFIG_RESUME_LOST_DEVICE    1
 #endif
 
 /** Support Metal argument buffers. Disabled by default. */