From f21c02caef0d7190c085c2c910c8f20155baa683 Mon Sep 17 00:00:00 2001
From: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Date: Wed, 3 Jul 2019 10:59:48 +0200
Subject: [PATCH] [dxvk] Add support for passive device extensions

These extensions only affect physical device functionality and
do not have to be enabled during device creation.
---
 src/dxvk/dxvk_extensions.cpp | 21 ++++++++++++---------
 src/dxvk/dxvk_extensions.h   |  1 +
 2 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/src/dxvk/dxvk_extensions.cpp b/src/dxvk/dxvk_extensions.cpp
index 5171019b..7a719ac3 100644
--- a/src/dxvk/dxvk_extensions.cpp
+++ b/src/dxvk/dxvk_extensions.cpp
@@ -38,17 +38,20 @@ namespace dxvk {
     for (uint32_t i = 0; i < numExtensions; i++) {
       DxvkExt* ext = ppExtensions[i];
 
-      if (ext->mode() != DxvkExtMode::Disabled) {
-        uint32_t revision = supports(ext->name());
+      if (ext->mode() == DxvkExtMode::Disabled)
+        continue;
+      
+      uint32_t revision = supports(ext->name());
 
-        if (revision != 0) {
+      if (revision) {
+        if (ext->mode() != DxvkExtMode::Passive)
           nameSet.add(ext->name());
-          ext->enable(revision);
-        } else if (ext->mode() == DxvkExtMode::Required) {
-          Logger::info(str::format(
-            "Required Vulkan extension ", ext->name(), " not supported"));
-          allRequiredEnabled = false;
-        }
+
+        ext->enable(revision);
+      } else if (ext->mode() == DxvkExtMode::Required) {
+        Logger::info(str::format("Required Vulkan extension ", ext->name(), " not supported"));
+        allRequiredEnabled = false;
+        continue;
       }
     }
 
diff --git a/src/dxvk/dxvk_extensions.h b/src/dxvk/dxvk_extensions.h
index a3825424..9d143c47 100644
--- a/src/dxvk/dxvk_extensions.h
+++ b/src/dxvk/dxvk_extensions.h
@@ -17,6 +17,7 @@ namespace dxvk {
     Disabled,
     Optional,
     Required,
+    Passive,
   };