From 3ca57e5157e0ae610ba3d464c5732f6232bd6f55 Mon Sep 17 00:00:00 2001
From: Yuri Roubinsky <chaosus89@gmail.com>
Date: Sun, 23 Jan 2022 20:22:31 +0300
Subject: [PATCH] Fix incorrect unused local var warning in shader blocks

---
 servers/rendering/shader_language.cpp | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/servers/rendering/shader_language.cpp b/servers/rendering/shader_language.cpp
index 4e07582187a..cb1329d33c2 100644
--- a/servers/rendering/shader_language.cpp
+++ b/servers/rendering/shader_language.cpp
@@ -5208,9 +5208,15 @@ ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, cons
 #ifdef DEBUG_ENABLED
 				if (check_warnings) {
 					StringName func_name;
+					BlockNode *b = p_block;
 
-					if (p_block && p_block->parent_function) {
-						func_name = p_block->parent_function->name;
+					while (b) {
+						if (b->parent_function) {
+							func_name = b->parent_function->name;
+							break;
+						} else {
+							b = b->parent_block;
+						}
 					}
 
 					_parse_used_identifier(identifier, ident_type, func_name);