From 49965fd79e96a36dc4208e56288cd012a9e5455a Mon Sep 17 00:00:00 2001
From: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Date: Tue, 19 Feb 2019 13:57:34 +0100
Subject: [PATCH] [dxvk] Enable depthClipEnable feature if available

---
 src/d3d11/d3d11_device.cpp  |  1 +
 src/dxvk/dxvk_adapter.cpp   | 13 +++++++++++++
 src/dxvk/dxvk_device_info.h |  1 +
 3 files changed, 15 insertions(+)

diff --git a/src/d3d11/d3d11_device.cpp b/src/d3d11/d3d11_device.cpp
index bb42032f9..5aba35f7f 100644
--- a/src/d3d11/d3d11_device.cpp
+++ b/src/d3d11/d3d11_device.cpp
@@ -1370,6 +1370,7 @@ namespace dxvk {
       enabled.core.features.shaderClipDistance                    = VK_TRUE;
       enabled.core.features.shaderCullDistance                    = VK_TRUE;
       enabled.core.features.textureCompressionBC                  = VK_TRUE;
+      enabled.extDepthClipEnable.depthClipEnable                  = supported.extDepthClipEnable.depthClipEnable;
     }
     
     if (featureLevel >= D3D_FEATURE_LEVEL_9_2) {
diff --git a/src/dxvk/dxvk_adapter.cpp b/src/dxvk/dxvk_adapter.cpp
index 9740dc5d0..9d28fe63e 100644
--- a/src/dxvk/dxvk_adapter.cpp
+++ b/src/dxvk/dxvk_adapter.cpp
@@ -215,6 +215,8 @@ namespace dxvk {
                 || !required.core.features.variableMultisampleRate)
         && (m_deviceFeatures.core.features.inheritedQueries
                 || !required.core.features.inheritedQueries)
+        && (m_deviceFeatures.extDepthClipEnable.depthClipEnable
+                || !required.extDepthClipEnable.depthClipEnable)
         && (m_deviceFeatures.extMemoryPriority.memoryPriority
                 || !required.extMemoryPriority.memoryPriority)
         && (m_deviceFeatures.extTransformFeedback.transformFeedback
@@ -272,6 +274,12 @@ namespace dxvk {
     enabledFeatures.core.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2_KHR;
     enabledFeatures.core.pNext = nullptr;
 
+    if (devExtensions.extDepthClipEnable) {
+      enabledFeatures.extDepthClipEnable.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DEPTH_CLIP_ENABLE_FEATURES_EXT;
+      enabledFeatures.extDepthClipEnable.pNext = enabledFeatures.core.pNext;
+      enabledFeatures.core.pNext = &enabledFeatures.extDepthClipEnable;
+    }
+
     if (devExtensions.extMemoryPriority) {
       enabledFeatures.extMemoryPriority.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MEMORY_PRIORITY_FEATURES_EXT;
       enabledFeatures.extMemoryPriority.pNext = enabledFeatures.core.pNext;
@@ -470,6 +478,11 @@ namespace dxvk {
     m_deviceFeatures.core.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2_KHR;
     m_deviceFeatures.core.pNext = nullptr;
 
+    if (m_deviceExtensions.supports(VK_EXT_DEPTH_CLIP_ENABLE_EXTENSION_NAME)) {
+      m_deviceFeatures.extDepthClipEnable.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DEPTH_CLIP_ENABLE_FEATURES_EXT;
+      m_deviceFeatures.extDepthClipEnable.pNext = std::exchange(m_deviceFeatures.core.pNext, &m_deviceFeatures.extDepthClipEnable);
+    }
+
     if (m_deviceExtensions.supports(VK_EXT_MEMORY_PRIORITY_EXTENSION_NAME)) {
       m_deviceFeatures.extMemoryPriority.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MEMORY_PRIORITY_FEATURES_EXT;
       m_deviceFeatures.extMemoryPriority.pNext = std::exchange(m_deviceFeatures.core.pNext, &m_deviceFeatures.extMemoryPriority);
diff --git a/src/dxvk/dxvk_device_info.h b/src/dxvk/dxvk_device_info.h
index 673febfbb..dfa979185 100644
--- a/src/dxvk/dxvk_device_info.h
+++ b/src/dxvk/dxvk_device_info.h
@@ -31,6 +31,7 @@ namespace dxvk {
    */
   struct DxvkDeviceFeatures {
     VkPhysicalDeviceFeatures2KHR                        core;
+    VkPhysicalDeviceDepthClipEnableFeaturesEXT          extDepthClipEnable;
     VkPhysicalDeviceMemoryPriorityFeaturesEXT           extMemoryPriority;
     VkPhysicalDeviceTransformFeedbackFeaturesEXT        extTransformFeedback;
     VkPhysicalDeviceVertexAttributeDivisorFeaturesEXT   extVertexAttributeDivisor;