From 247effb43b5c1de608175057bde9946118472d62 Mon Sep 17 00:00:00 2001
From: Sasha Szpakowski <slime73@gmail.com>
Date: Sat, 7 Sep 2024 19:22:34 -0300
Subject: [PATCH] Fix vertex input check looking at builtin vertex inputs.

---
 src/modules/graphics/Shader.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/modules/graphics/Shader.cpp b/src/modules/graphics/Shader.cpp
index ecb82c20d..4d62d9a45 100644
--- a/src/modules/graphics/Shader.cpp
+++ b/src/modules/graphics/Shader.cpp
@@ -1170,6 +1170,10 @@ bool Shader::validateInternal(StrongRef<ShaderStage> stages[], std::string &err,
 	{
 		const glslang::TObjectReflection &info = program.getPipeInput(i);
 
+		// Avoid builtins.
+		if (info.name.rfind("gl_", 0) == 0)
+			continue;
+
 		int location = info.layoutLocation();
 		if (location == glslang::TQualifier::layoutLocationEnd)
 			location = -1;