From 2a93681334d3388eebbe1ba34e633a40ed9f1333 Mon Sep 17 00:00:00 2001
From: lewiji <lewiji+github@gmail.com>
Date: Thu, 29 Jun 2023 16:18:31 +0100
Subject: [PATCH] Return shader parse error when using
 'hint_normal_roughness_texture' and not using the Forward+ backend

---
 servers/rendering/shader_language.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/servers/rendering/shader_language.cpp b/servers/rendering/shader_language.cpp
index ca41cc8d51f..e44b51d3918 100644
--- a/servers/rendering/shader_language.cpp
+++ b/servers/rendering/shader_language.cpp
@@ -8800,8 +8800,8 @@ Error ShaderLanguage::_parse_shader(const HashMap<StringName, FunctionInfo> &p_f
 									new_hint = ShaderNode::Uniform::HINT_NORMAL_ROUGHNESS_TEXTURE;
 									--texture_uniforms;
 									--texture_binding;
-									if (OS::get_singleton()->get_current_rendering_method() == "gl_compatibility") {
-										_set_error(RTR("'hint_normal_roughness_texture' is not supported in gl_compatibility shaders."));
+									if (OS::get_singleton()->get_current_rendering_method() != "forward_plus") {
+										_set_error(RTR("'hint_normal_roughness_texture' is only available when using the Forward+ backend."));
 										return ERR_PARSE_ERROR;
 									}
 									if (String(shader_type_identifier) != "spatial") {