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mesa: glsl: limit function matching through casting

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This commit is contained in:
Brian Paul 2008-08-19 11:23:25 -06:00
parent 3e1706f720
commit c4cf2513e6
1 changed files with 14 additions and 1 deletions
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15
src/mesa/shader/slang/slang_codegen.c
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@ -1980,6 +1980,12 @@ _slang_gen_function_call_name(slang_assemble_ctx *A, const char *name,
fun = _slang_locate_struct_constructor(A, name);
}
/*
* At this point, some heuristics are used to try to find a function
* that matches the calling signature by means of casting or "unrolling"
* of constructors.
*/
if (!fun && _slang_is_vec_mat_type(name)) {
/* Next, if this call looks like a vec() or mat() constructor call,
* try "unwinding" the args to satisfy a constructor.
@ -1995,7 +2001,7 @@ _slang_gen_function_call_name(slang_assemble_ctx *A, const char *name,
}
}
if (!fun) {
if (!fun && _slang_is_vec_mat_type(name)) {
/* Next, try casting args to the types of the formal parameters */
int numArgs = oper->num_children;
fun = _slang_find_function_by_argc(A->space.funcs, name, numArgs);
@ -2008,6 +2014,13 @@ _slang_gen_function_call_name(slang_assemble_ctx *A, const char *name,
assert(fun);
}
if (!fun) {
slang_info_log_error(A->log,
"Function '%s' not found (check argument types)",
name);
return NULL;
}
n = _slang_gen_function_call(A, fun, oper, dest);
if (n && !n->Store && !dest