Mesa (master): gallium: add new semantic for clip vertex.

[Dave Airlie]

Module: Mesa
Branch: master
Commit: 9cea86f501eab1f72a148280c12286244cd26acf
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=9cea86f501eab1f72a148280c12286244cd26acf

Author: Dave Airlie <airlied at redhat.com>
Date:   Wed Jan  4 11:48:24 2012 +0000

gallium: add new semantic for clip vertex.

This is to match the gl_ClipVertex output from GLSL 1.20.

Signed-off-by: Dave Airlie <airlied at redhat.com>

---

 src/gallium/auxiliary/tgsi/tgsi_strings.c  |    3 ++-
 src/gallium/include/pipe/p_shader_tokens.h |    3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/gallium/auxiliary/tgsi/tgsi_strings.c b/src/gallium/auxiliary/tgsi/tgsi_strings.c
index 9516095..973b9fe 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_strings.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_strings.c
@@ -71,7 +71,8 @@ const char *tgsi_semantic_names[TGSI_SEMANTIC_COUNT] =
    "INSTANCEID",
    "VERTEXID",
    "STENCIL",
-   "CLIPDIST"
+   "CLIPDIST",
+   "CLIPVERTEX"
 };
 
 const char *tgsi_texture_names[TGSI_TEXTURE_COUNT] =
diff --git a/src/gallium/include/pipe/p_shader_tokens.h b/src/gallium/include/pipe/p_shader_tokens.h
index 330e0ba..b24b64c 100644
--- a/src/gallium/include/pipe/p_shader_tokens.h
+++ b/src/gallium/include/pipe/p_shader_tokens.h
@@ -147,7 +147,8 @@ struct tgsi_declaration_dimension
 #define TGSI_SEMANTIC_VERTEXID   11
 #define TGSI_SEMANTIC_STENCIL    12
 #define TGSI_SEMANTIC_CLIPDIST   13
-#define TGSI_SEMANTIC_COUNT      14 /**< number of semantic values */
+#define TGSI_SEMANTIC_CLIPVERTEX 14
+#define TGSI_SEMANTIC_COUNT      15 /**< number of semantic values */
 
 struct tgsi_declaration_semantic
 {