From 0bcbe32367eeada2a5aa7e6bb2edccc22cababa3 Mon Sep 17 00:00:00 2001
From: gdkchan <gab.dark.100@gmail.com>
Date: Sun, 6 Mar 2022 16:42:13 -0300
Subject: Only initialize shader outputs that are actually used on the next
 stage (#3054)

* Only initialize shader outputs that are actually used on the next stage

* Shader cache version bump
---
 Ryujinx.Graphics.Shader/Decoders/Decoder.cs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'Ryujinx.Graphics.Shader/Decoders/Decoder.cs')

diff --git a/Ryujinx.Graphics.Shader/Decoders/Decoder.cs b/Ryujinx.Graphics.Shader/Decoders/Decoder.cs
index 8820527f..6fa4055a 100644
--- a/Ryujinx.Graphics.Shader/Decoders/Decoder.cs
+++ b/Ryujinx.Graphics.Shader/Decoders/Decoder.cs
@@ -308,7 +308,8 @@ namespace Ryujinx.Graphics.Shader.Decoders
                     int attr = offset + elemIndex * 4;
                     if (attr >= AttributeConsts.UserAttributeBase && attr < AttributeConsts.UserAttributeEnd)
                     {
-                        int index = (attr - AttributeConsts.UserAttributeBase) / 16;
+                        int userAttr = attr - AttributeConsts.UserAttributeBase;
+                        int index = userAttr / 16;
 
                         if (isStore)
                         {
@@ -316,7 +317,7 @@ namespace Ryujinx.Graphics.Shader.Decoders
                         }
                         else
                         {
-                            config.SetInputUserAttribute(index, perPatch);
+                            config.SetInputUserAttribute(index, (userAttr >> 2) & 3, perPatch);
                         }
                     }
 
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