From b3e7e8cdba9fbe23d80127b2e2562124bd91de76 Mon Sep 17 00:00:00 2001
From: Kai Blaschke <kai.blaschke@kb-dev.net>
Date: Thu, 11 Sep 2025 10:56:36 +0200
Subject: [PATCH] Convert HLSL array subscript operator operand to int

---
 vendor/hlslparser/src/GLSLGenerator.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/vendor/hlslparser/src/GLSLGenerator.cpp b/vendor/hlslparser/src/GLSLGenerator.cpp
index f836f381a7..47a0838864 100644
--- a/vendor/hlslparser/src/GLSLGenerator.cpp
+++ b/vendor/hlslparser/src/GLSLGenerator.cpp
@@ -887,9 +887,11 @@ void GLSLGenerator::OutputExpression(HLSLExpression* expression, const HLSLType*
         }
         else
         {
+            // Array subscript operator in GLSL requires an explicit int parameter
+            const HLSLType& intType = HLSLType(HLSLBaseType_Int);
             OutputExpression(arrayAccess->array);
             m_writer.Write("[");
-            OutputExpression(arrayAccess->index);
+            OutputExpression(arrayAccess->index, &intType);
             m_writer.Write("]");
         }