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-rw-r--r--src/glsl/ir_function.cpp11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/glsl/ir_function.cpp b/src/glsl/ir_function.cpp
index 51d32b46f98..b34a5008168 100644
--- a/src/glsl/ir_function.cpp
+++ b/src/glsl/ir_function.cpp
@@ -118,6 +118,14 @@ parameter_lists_match(const exec_list *list_a, const exec_list *list_b)
ir_function_signature *
ir_function::matching_signature(const exec_list *actual_parameters)
{
+ bool is_exact;
+ return matching_signature(actual_parameters, &is_exact);
+}
+
+ir_function_signature *
+ir_function::matching_signature(const exec_list *actual_parameters,
+ bool *is_exact)
+{
ir_function_signature *match = NULL;
bool multiple_inexact_matches = false;
@@ -137,6 +145,7 @@ ir_function::matching_signature(const exec_list *actual_parameters)
switch (parameter_lists_match(& sig->parameters, actual_parameters)) {
case PARAMETER_LIST_EXACT_MATCH:
+ *is_exact = true;
return sig;
case PARAMETER_LIST_INEXACT_MATCH:
if (match == NULL)
@@ -159,6 +168,8 @@ ir_function::matching_signature(const exec_list *actual_parameters)
* FINISHME: a "no matching signature" error; it should report that the
* FINISHME: call is ambiguous. But reporting errors from here is hard.
*/
+ *is_exact = false;
+
if (multiple_inexact_matches)
return NULL;