2 files changed, 16 insertions, 0 deletions
diff --git a/scene/resources/visual_shader_nodes.cpp b/scene/resources/visual_shader_nodes.cpp
index 704d1b2ea8..a3358ea8c7 100644
--- a/scene/resources/visual_shader_nodes.cpp
+++ b/scene/resources/visual_shader_nodes.cpp
@@ -724,6 +724,10 @@ Vector<StringName> VisualShaderNodeTexture::get_editable_properties() const {
 }
 
 String VisualShaderNodeTexture::get_warning(Shader::Mode p_mode, VisualShader::Type p_type) const {
+	if (is_input_port_connected(2) && source != SOURCE_PORT) {
+		return TTR("The sampler port is connected but not used. Consider changing the source to 'SamplerPort'.");
+	}
+
 	if (source == SOURCE_TEXTURE) {
 		return String(); // all good
 	}
@@ -980,6 +984,10 @@ void VisualShaderNodeSample3D::_bind_methods() {
 }
 
 String VisualShaderNodeSample3D::get_warning(Shader::Mode p_mode, VisualShader::Type p_type) const {
+	if (is_input_port_connected(2) && source != SOURCE_PORT) {
+		return TTR("The sampler port is connected but not used. Consider changing the source to 'SamplerPort'.");
+	}
+
 	if (source == SOURCE_TEXTURE) {
 		return String(); // all good
 	}
@@ -1276,6 +1284,13 @@ Vector<StringName> VisualShaderNodeCubemap::get_editable_properties() const {
 	return props;
 }
 
+String VisualShaderNodeCubemap::get_warning(Shader::Mode p_mode, VisualShader::Type p_type) const {
+	if (is_input_port_connected(2) && source != SOURCE_PORT) {
+		return TTR("The sampler port is connected but not used. Consider changing the source to 'SamplerPort'.");
+	}
+	return String();
+}
+
 void VisualShaderNodeCubemap::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_source", "value"), &VisualShaderNodeCubemap::set_source);
 	ClassDB::bind_method(D_METHOD("get_source"), &VisualShaderNodeCubemap::get_source);
diff --git a/scene/resources/visual_shader_nodes.h b/scene/resources/visual_shader_nodes.h
index d4d6540baf..4b39c76388 100644
--- a/scene/resources/visual_shader_nodes.h
+++ b/scene/resources/visual_shader_nodes.h
@@ -448,6 +448,7 @@ public:
 	TextureType get_texture_type() const;
 
 	virtual Vector<StringName> get_editable_properties() const override;
+	virtual String get_warning(Shader::Mode p_mode, VisualShader::Type p_type) const override;
 
 	VisualShaderNodeCubemap();
 };