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tgsi/ureg: handle redundant declarations in ureg_DECL_system_value

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Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
This commit is contained in:
Marek Olšák 2016-01-07 23:37:53 +01:00
parent c886422656
commit c07cf5f5a9
1 changed files with 9 additions and 1 deletions
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10
src/gallium/auxiliary/tgsi/tgsi_ureg.c
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@ -322,7 +322,14 @@ ureg_DECL_system_value(struct ureg_program *ureg,
unsigned semantic_name,
unsigned semantic_index)
{
unsigned i = 0;
unsigned i;
for (i = 0; i < ureg->nr_system_values; i++) {
if (ureg->system_value[i].semantic_name == semantic_name &&
ureg->system_value[i].semantic_index == semantic_index) {
goto out;
}
}
if (ureg->nr_system_values < UREG_MAX_SYSTEM_VALUE) {
ureg->system_value[ureg->nr_system_values].semantic_name = semantic_name;
@ -333,6 +340,7 @@ ureg_DECL_system_value(struct ureg_program *ureg,
set_bad(ureg);
}
out:
return ureg_src_register(TGSI_FILE_SYSTEM_VALUE, i);
}