From 49d7b1c7d82e37f1bde1c4776926f8c1c149727d Mon Sep 17 00:00:00 2001
From: gdkchan <gab.dark.100@gmail.com>
Date: Sun, 22 Mar 2020 18:31:31 -0300
Subject: Implement textureQueryLevels (#1007)

---
 .../CodeGen/Glsl/Instructions/InstGenMemory.cs                   | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGenMemory.cs')

diff --git a/Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGenMemory.cs b/Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGenMemory.cs
index 5687ce7e..74828702 100644
--- a/Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGenMemory.cs
+++ b/Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGenMemory.cs
@@ -494,7 +494,14 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
 
             string lodExpr = GetSoureExpr(context, lod, GetSrcVarType(operation.Inst, lodSrcIndex));
 
-            return $"textureSize({samplerName}, {lodExpr}){GetMask(texOp.Index)}";
+            if (texOp.Index == 3)
+            {
+                return $"textureQueryLevels({samplerName})";
+            }
+            else
+            {
+                return $"textureSize({samplerName}, {lodExpr}){GetMask(texOp.Index)}";
+            }
         }
 
         private static string GetStorageBufferAccessor(string slotExpr, string offsetExpr, ShaderStage stage)
-- 
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