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MESA_shader_integer_functions: Allow new function overload matching rules

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Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
This commit is contained in:
Ian Romanick
2016-06-21 10:29:49 -07:00
parent 90537e1a0e
commit 806add360f
1 changed files with 7 additions and 5 deletions
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12
src/compiler/glsl/ir_function.cpp
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@@ -268,11 +268,13 @@ choose_best_inexact_overload(_mesa_glsl_parse_state *state,
if (num_matches == 1)
return *matches;
/* Without GLSL 4.0 / ARB_gpu_shader5, there is no overload resolution
* among multiple inexact matches. Note that state may be NULL here if
* called from the linker; in that case we assume everything supported in
* any GLSL version is available. */
if (!state || state->is_version(400, 0) || state->ARB_gpu_shader5_enable) {
/* Without GLSL 4.0, ARB_gpu_shader5, or MESA_shader_integer_functions,
* there is no overload resolution among multiple inexact matches. Note
* that state may be NULL here if called from the linker; in that case we
* assume everything supported in any GLSL version is available.
*/
if (!state || state->is_version(400, 0) || state->ARB_gpu_shader5_enable ||
state->MESA_shader_integer_functions_enable) {
for (ir_function_signature **sig = matches; sig < matches + num_matches; sig++) {
if (is_best_inexact_overload(actual_parameters, matches, num_matches, *sig))
return *sig;