From e27083a04fdfb5daab01b376f392a166f8e51ab7 Mon Sep 17 00:00:00 2001
From: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Date: Wed, 1 Aug 2018 01:11:00 +0200
Subject: [PATCH] [dxvk] Query transform feedback device properties if
 available

---
 src/dxvk/dxvk_adapter.cpp   | 5 +++++
 src/dxvk/dxvk_device_info.h | 1 +
 2 files changed, 6 insertions(+)

diff --git a/src/dxvk/dxvk_adapter.cpp b/src/dxvk/dxvk_adapter.cpp
index 25059b1b..d6344e11 100644
--- a/src/dxvk/dxvk_adapter.cpp
+++ b/src/dxvk/dxvk_adapter.cpp
@@ -325,6 +325,11 @@ namespace dxvk {
     m_deviceInfo.core.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2_KHR;
     m_deviceInfo.core.pNext = nullptr;
 
+    if (m_deviceExtensions.supports(VK_EXT_TRANSFORM_FEEDBACK_EXTENSION_NAME)) {
+      m_deviceInfo.extTransformFeedback.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_TRANSFORM_FEEDBACK_PROPERTIES_EXT;
+      m_deviceInfo.extTransformFeedback.pNext = std::exchange(m_deviceInfo.core.pNext, &m_deviceInfo.extTransformFeedback);
+    }
+
     if (m_deviceExtensions.supports(VK_EXT_VERTEX_ATTRIBUTE_DIVISOR_EXTENSION_NAME)) {
       m_deviceInfo.extVertexAttributeDivisor.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VERTEX_ATTRIBUTE_DIVISOR_PROPERTIES_EXT;
       m_deviceInfo.extVertexAttributeDivisor.pNext = std::exchange(m_deviceInfo.core.pNext, &m_deviceInfo.extVertexAttributeDivisor);
diff --git a/src/dxvk/dxvk_device_info.h b/src/dxvk/dxvk_device_info.h
index de85fc5a..4af69735 100644
--- a/src/dxvk/dxvk_device_info.h
+++ b/src/dxvk/dxvk_device_info.h
@@ -14,6 +14,7 @@ namespace dxvk {
    */
   struct DxvkDeviceInfo {
     VkPhysicalDeviceProperties2KHR                      core;
+    VkPhysicalDeviceTransformFeedbackPropertiesEXT      extTransformFeedback;
     VkPhysicalDeviceVertexAttributeDivisorPropertiesEXT extVertexAttributeDivisor;
   };