glsl: update explicit location matching to support component qualifier

This is needed so we don't optimise away the varying when more than
one shares the same location.

Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Timothy Arceri
2015-12-22 16:37:40 +11:00
parent 0d88b15f07
commit 0317dfcd9b

View File

@@ -2843,7 +2843,7 @@ match_explicit_outputs_to_inputs(struct gl_shader_program *prog,
gl_shader *consumer)
{
glsl_symbol_table parameters;
ir_variable *explicit_locations[MAX_VARYING] = { NULL };
ir_variable *explicit_locations[MAX_VARYING][4] = { {NULL, NULL} };
/* Find all shader outputs in the "producer" stage.
*/
@@ -2856,8 +2856,8 @@ match_explicit_outputs_to_inputs(struct gl_shader_program *prog,
if (var->data.explicit_location &&
var->data.location >= VARYING_SLOT_VAR0) {
const unsigned idx = var->data.location - VARYING_SLOT_VAR0;
if (explicit_locations[idx] == NULL)
explicit_locations[idx] = var;
if (explicit_locations[idx][var->data.location_frac] == NULL)
explicit_locations[idx][var->data.location_frac] = var;
}
}
@@ -2871,7 +2871,8 @@ match_explicit_outputs_to_inputs(struct gl_shader_program *prog,
ir_variable *output = NULL;
if (input->data.explicit_location
&& input->data.location >= VARYING_SLOT_VAR0) {
output = explicit_locations[input->data.location - VARYING_SLOT_VAR0];
output = explicit_locations[input->data.location - VARYING_SLOT_VAR0]
[input->data.location_frac];
if (output != NULL){
input->data.is_unmatched_generic_inout = 0;