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@@ -5585,6 +5585,12 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const Map<StringName, Bui
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} else if (tk.type == TK_CF_RETURN) {
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//check return type
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BlockNode *b = p_block;
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+
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+ if (b && b->parent_function && (b->parent_function->name == "vertex" || b->parent_function->name == "fragment" || b->parent_function->name == "light")) {
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+ _set_error(vformat("Using 'return' in '%s' processor function results in undefined behavior!", b->parent_function->name));
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+ return ERR_PARSE_ERROR;
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+ }
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+
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while (b && !b->parent_function) {
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b = b->parent_block;
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}
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