From 86931cc3f1f781f8849651e658a222ca821040fa Mon Sep 17 00:00:00 2001
From: Domenico V <35856442+LDj3SNuD@users.noreply.github.com>
Date: Mon, 31 Jul 2023 03:31:57 +0200
Subject: [PATCH] (Graphics.Shader): Handle EmitSuatom constant dests and
 EmitSuld zero dest reg. (#5504)

* (Graphics.Shader): Handle EmitSuatom constant dests.

* Proper fix for EmitSuatom; fix EmitSuld.
---
 .../Instructions/InstEmitSurface.cs                        | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/Ryujinx.Graphics.Shader/Instructions/InstEmitSurface.cs b/src/Ryujinx.Graphics.Shader/Instructions/InstEmitSurface.cs
index 0b929307..6bf7de7f 100644
--- a/src/Ryujinx.Graphics.Shader/Instructions/InstEmitSurface.cs
+++ b/src/Ryujinx.Graphics.Shader/Instructions/InstEmitSurface.cs
@@ -218,7 +218,7 @@ namespace Ryujinx.Graphics.Shader.Instructions
                 return context.Copy(Register(srcB++, RegisterType.Gpr));
             }
 
-            Operand d = dest != RegisterConsts.RegisterZeroIndex ? Register(dest, RegisterType.Gpr) : null;
+            Operand d = Register(dest, RegisterType.Gpr);
 
             List<Operand> sourcesList = new();
 
@@ -304,6 +304,11 @@ namespace Ryujinx.Graphics.Shader.Instructions
             bool byteAddress,
             bool isBindless)
         {
+            if (srcB == RegisterConsts.RegisterZeroIndex)
+            {
+                return;
+            }
+
             context.Config.SetUsedFeature(FeatureFlags.IntegerSampling);
 
             SamplerType type = ConvertSamplerType(dimensions);