From 5ee790a4a37e302d61d1aecb5f259e5072155c6c Mon Sep 17 00:00:00 2001
From: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Date: Tue, 24 Sep 2019 22:18:16 +0200
Subject: [PATCH] [dxbc] Always decorate SV_POSITION as invariant

Apparently fixes Z-Fighting in Saints Row IV on Nvidia.
---
 src/dxbc/dxbc_compiler.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/dxbc/dxbc_compiler.cpp b/src/dxbc/dxbc_compiler.cpp
index 18870906c..8556e6ced 100644
--- a/src/dxbc/dxbc_compiler.cpp
+++ b/src/dxbc/dxbc_compiler.cpp
@@ -7714,6 +7714,7 @@ namespace dxvk {
       members.size(), members.data());
     
     m_module.memberDecorateBuiltIn(typeId, PerVertex_Position, spv::BuiltInPosition);
+    m_module.memberDecorate       (typeId, PerVertex_Position, spv::DecorationInvariant);
 //     m_module.memberDecorateBuiltIn(typeId, PerVertex_CullDist, spv::BuiltInCullDistance);
 //     m_module.memberDecorateBuiltIn(typeId, PerVertex_ClipDist, spv::BuiltInClipDistance);
     m_module.decorateBlock(typeId);