From 50c6974f3aa4406e9d485834ccd3e2c9fb7cd6fe Mon Sep 17 00:00:00 2001
From: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Date: Mon, 23 Aug 2021 14:01:46 +0200
Subject: [PATCH] [dxso] Fix gradient instructions for cube maps

We need 3 components in that case. Based on MSDN documentation, texldd
does not support 3D textures so there's no need to worry about those.

Fixes validation errors in Payday.
---
 src/dxso/dxso_compiler.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/dxso/dxso_compiler.cpp b/src/dxso/dxso_compiler.cpp
index bb878dc44..8ba8283c5 100644
--- a/src/dxso/dxso_compiler.cpp
+++ b/src/dxso/dxso_compiler.cpp
@@ -2732,7 +2732,7 @@ void DxsoCompiler::emitControlFlowGenericLoop(
       }
 
       if (opcode == DxsoOpcode::TexLdd) {
-        DxsoRegMask gradMask(true, true, false, false);
+        DxsoRegMask gradMask(true, true, sampler.dimensions == 3, false);
         imageOperands.flags |= spv::ImageOperandsGradMask;
         imageOperands.sGradX = emitRegisterLoad(ctx.src[2], gradMask).id;
         imageOperands.sGradY = emitRegisterLoad(ctx.src[3], gradMask).id;