---
src/gallium/auxiliary/tgsi/tgsi_scan.c | 3 +++
src/gallium/auxiliary/tgsi/tgsi_scan.h | 1 +
2 files changed, 4 insertions(+)
diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.c
b/src/gallium/auxiliary/tgsi/tgsi_scan.c
index 84d6456..77fe6b3 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_scan.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_scan.c
@@ -548,6 +548,9 @@ scan_declaration(struct tgsi_shader_info *info,
info->num_outputs = MAX2(info->num_outputs, reg + 1);
switch (semName) {
+ case TGSI_SEMANTIC_PRIMID:
+ info->writes_primid = true;
+ break;
case TGSI_SEMANTIC_VIEWPORT_INDEX:
info->writes_viewport_index = true;
break;
diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.h
b/src/gallium/auxiliary/tgsi/tgsi_scan.h
index fe503e8..e4f4018 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_scan.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_scan.h
@@ -113,6 +113,7 @@ struct tgsi_shader_info
boolean writes_position;
boolean writes_psize;
boolean writes_clipvertex;
+ boolean writes_primid;
boolean writes_viewport_index;
boolean writes_layer;
boolean writes_memory; /**< contains stores or atomics to buffers or images
*/
--
2.7.4
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