[Mesa-dev] [PATCH 1/2] gallium: add TGSI_SEMANTIC_VERTEXID

[Christoph Bumiller]

---
 src/gallium/auxiliary/tgsi/tgsi_dump.c     |    1 +
 src/gallium/auxiliary/tgsi/tgsi_scan.c     |    3 +++
 src/gallium/auxiliary/tgsi/tgsi_scan.h     |    1 +
 src/gallium/auxiliary/tgsi/tgsi_text.c     |    1 +
 src/gallium/include/pipe/p_shader_tokens.h |    5 +++--
 5 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/gallium/auxiliary/tgsi/tgsi_dump.c 
b/src/gallium/auxiliary/tgsi/tgsi_dump.c
index 64927ed..91bc124 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_dump.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_dump.c
@@ -128,6 +128,7 @@ static const char *semantic_names[] =
    "EDGEFLAG",
    "PRIM_ID",
    "INSTANCEID",
+   "VERTEXID",
    "STENCIL"
 };
 
diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.c 
b/src/gallium/auxiliary/tgsi/tgsi_scan.c
index 60de80d..3ed8dad 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_scan.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_scan.c
@@ -181,6 +181,9 @@ tgsi_scan_shader(const struct tgsi_token *tokens,
 
                   if (fulldecl->Semantic.Name == TGSI_SEMANTIC_INSTANCEID) {
                      info->uses_instanceid = TRUE;
+                  } else
+                  if (fulldecl->Semantic.Name == TGSI_SEMANTIC_VERTEXID) {
+                     info->uses_vertexid = TRUE;
                   }
                }
                else if (file == TGSI_FILE_OUTPUT) {
diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.h 
b/src/gallium/auxiliary/tgsi/tgsi_scan.h
index 30834b4..482c106 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_scan.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_scan.h
@@ -70,6 +70,7 @@ struct tgsi_shader_info
    boolean writes_edgeflag; /**< vertex shader outputs edgeflag */
    boolean uses_kill;  /**< KIL or KILP instruction used? */
    boolean uses_instanceid;
+   boolean uses_vertexid;
    boolean origin_lower_left;
    boolean pixel_center_integer;
    boolean color0_writes_all_cbufs;
diff --git a/src/gallium/auxiliary/tgsi/tgsi_text.c 
b/src/gallium/auxiliary/tgsi/tgsi_text.c
index 6b97803..eb9190c 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_text.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_text.c
@@ -1023,6 +1023,7 @@ static const char *semantic_names[TGSI_SEMANTIC_COUNT] =
    "EDGEFLAG",
    "PRIM_ID",
    "INSTANCEID",
+   "VERTEXID",
    "STENCIL"
 };
 
diff --git a/src/gallium/include/pipe/p_shader_tokens.h 
b/src/gallium/include/pipe/p_shader_tokens.h
index 7236c92..b04e26d 100644
--- a/src/gallium/include/pipe/p_shader_tokens.h
+++ b/src/gallium/include/pipe/p_shader_tokens.h
@@ -144,8 +144,9 @@ struct tgsi_declaration_dimension
 #define TGSI_SEMANTIC_EDGEFLAG   8
 #define TGSI_SEMANTIC_PRIMID     9
 #define TGSI_SEMANTIC_INSTANCEID 10
-#define TGSI_SEMANTIC_STENCIL    11
-#define TGSI_SEMANTIC_COUNT      12 /**< number of semantic values */
+#define TGSI_SEMANTIC_VERTEXID   11
+#define TGSI_SEMANTIC_STENCIL    12
+#define TGSI_SEMANTIC_COUNT      13 /**< number of semantic values */
 
 struct tgsi_declaration_semantic
 {
-- 
1.7.3.4

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