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Prevents usage of return in main shader functions

This commit is contained in:
Yuri Roubinsky 2020-06-27 09:24:49 +03:00
parent a4e200a47a
commit 2ce77e4b57
1 changed files with 6 additions and 0 deletions
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6
servers/rendering/shader_language.cpp
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@ -5585,6 +5585,12 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const Map<StringName, Bui
} else if (tk.type == TK_CF_RETURN) {
//check return type
BlockNode *b = p_block;
if (b && b->parent_function && (b->parent_function->name == "vertex" || b->parent_function->name == "fragment" || b->parent_function->name == "light")) {
_set_error(vformat("Using 'return' in '%s' processor function results in undefined behavior!", b->parent_function->name));
return ERR_PARSE_ERROR;
}
while (b && !b->parent_function) {
b = b->parent_block;
}