[Mesa-dev] [PATCH] tgsi/scan: add tgsi_shader_info::reads_samplemask

[Marek Olšák]

From: Marek Olšák <marek.olsak at amd.com>

---
 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 7a02e27..687fb54 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_scan.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_scan.c
@@ -377,6 +377,8 @@ tgsi_scan_shader(const struct tgsi_token *tokens,
                      info->reads_position = TRUE;
                   else if (semName == TGSI_SEMANTIC_FACE)
                      info->uses_frontface = TRUE;
+                  else if (semName == TGSI_SEMANTIC_SAMPLEMASK)
+                     info->reads_samplemask = TRUE;
                }
                else if (file == TGSI_FILE_OUTPUT) {
                   info->output_semantic_name[reg] = (ubyte) semName;
diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.h b/src/gallium/auxiliary/tgsi/tgsi_scan.h
index b0b423a..0541255 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_scan.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_scan.h
@@ -81,6 +81,7 @@ struct tgsi_shader_info
    ubyte colors_written;
    boolean reads_position; /**< does fragment shader read position? */
    boolean reads_z; /**< does fragment shader read depth? */
+   boolean reads_samplemask; /**< does fragment shader read sample mask? */
    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? */
-- 
2.1.4