diff options
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_ureg.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.c b/src/gallium/auxiliary/tgsi/tgsi_ureg.c index 964272386b3..5b78542413e 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_ureg.c +++ b/src/gallium/auxiliary/tgsi/tgsi_ureg.c @@ -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); } |