From a2e4b4b6d80aa990ec171a22b597a96f4bf5f9d3 Mon Sep 17 00:00:00 2001
From: gdk <gab.dark.100@gmail.com>
Date: Sun, 13 Feb 2022 16:33:21 -0300
Subject: [PATCH] SPIR-V: Functions must always end with a return

---
 Ryujinx.Graphics.Shader/CodeGen/Spirv/SpirvGenerator.cs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Ryujinx.Graphics.Shader/CodeGen/Spirv/SpirvGenerator.cs b/Ryujinx.Graphics.Shader/CodeGen/Spirv/SpirvGenerator.cs
index 1cd965813..c74d6d30f 100644
--- a/Ryujinx.Graphics.Shader/CodeGen/Spirv/SpirvGenerator.cs
+++ b/Ryujinx.Graphics.Shader/CodeGen/Spirv/SpirvGenerator.cs
@@ -84,6 +84,12 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
 
             Generate(context, function.MainBlock);
 
+            // Functions must always end with a return.
+            if (!(function.MainBlock.Last is AstOperation operation) || operation.Inst != Instruction.Return)
+            {
+                context.Return();
+            }
+
             context.FunctionEnd();
 
             if (funcIndex == 0)