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glsl: Cleanly fail when a function has an unknown return type. 

Bug #29608.
This commit is contained in:
Eric Anholt 2010-08-23 13:26:52 -07:00
parent 6fb39f0fa2
commit 76e96d74f4
1 changed files with 7 additions and 1 deletions
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8
src/glsl/ast_to_hir.cpp
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@ -2138,7 +2138,13 @@ ast_function::hir(exec_list *instructions,
const glsl_type *return_type =
this->return_type->specifier->glsl_type(& return_type_name, state);
assert(return_type != NULL);
if (!return_type) {
YYLTYPE loc = this->get_location();
_mesa_glsl_error(&loc, state,
"function `%s' has undeclared return type `%s'",
name, return_type_name);
return_type = glsl_type::error_type;
}
/* From page 56 (page 62 of the PDF) of the GLSL 1.30 spec:
* "No qualifier is allowed on the return type of a function."