From c3cf65c0150d03e53d8af3fbe41ce8bc96f911fd Mon Sep 17 00:00:00 2001
From: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Date: Thu, 8 Mar 2018 07:50:37 +0100
Subject: [PATCH] [dxbc] Use signed int for component index in OpImageGather

Workaround for a bug in Nvidia's shader compiler, which currently
expects the component index to be signed rather than unsigned.
---
 src/dxbc/dxbc_compiler.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/dxbc/dxbc_compiler.cpp b/src/dxbc/dxbc_compiler.cpp
index cf7599ce..515cf171 100644
--- a/src/dxbc/dxbc_compiler.cpp
+++ b/src/dxbc/dxbc_compiler.cpp
@@ -2870,7 +2870,7 @@ namespace dxvk {
       case DxbcOpcode::Gather4Po: {
         result.id = m_module.opImageGather(
           getVectorTypeId(result.type), sampledImageId, coord.id,
-          m_module.constu32(samplerReg.swizzle[0]),
+          m_module.consti32(samplerReg.swizzle[0]),
           imageOperands);
       } break;