[Mesa-dev] [PATCH 1/3] tgsi/scan: set if a fragment shader writes sample mask
Marek Olšák
maraeo at gmail.com
Tue Jan 5 17:46:05 PST 2016
From: Marek Olšák <marek.olsak at amd.com>
This will be used by radeonsi.
---
src/gallium/auxiliary/tgsi/tgsi_scan.c | 2 ++
src/gallium/auxiliary/tgsi/tgsi_scan.h | 1 +
2 files changed, 3 insertions(+)
diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.c b/src/gallium/auxiliary/tgsi/tgsi_scan.c
index e04f407..e3feed9 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_scan.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_scan.c
@@ -392,6 +392,8 @@ tgsi_scan_shader(const struct tgsi_token *tokens,
}
else if (semName == TGSI_SEMANTIC_STENCIL) {
info->writes_stencil = TRUE;
+ } else if (semName == TGSI_SEMANTIC_SAMPLEMASK) {
+ info->writes_samplemask = TRUE;
}
}
diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.h b/src/gallium/auxiliary/tgsi/tgsi_scan.h
index 7e9a559..a3e4378 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_scan.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_scan.h
@@ -82,6 +82,7 @@ struct tgsi_shader_info
boolean reads_z; /**< does fragment shader read depth? */
boolean writes_z; /**< does fragment shader write Z value? */
boolean writes_stencil; /**< does fragment shader write stencil value? */
+ boolean writes_samplemask; /**< does fragment shader write sample mask? */
boolean writes_edgeflag; /**< vertex shader outputs edgeflag */
boolean uses_kill; /**< KILL or KILL_IF instruction used? */
boolean uses_persp_center;
--
2.1.4
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