---
src/gallium/include/pipe/p_shader_tokens.h | 18 ++++++++++++++++++
1 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/src/gallium/include/pipe/p_shader_tokens.h
b/src/gallium/include/pipe/p_shader_tokens.h
index baff802..5d511ba 100644
--- a/src/gallium/include/pipe/p_shader_tokens.h
+++ b/src/gallium/include/pipe/p_shader_tokens.h
@@ -146,6 +146,24 @@ struct tgsi_declaration_dimension
#define TGSI_SEMANTIC_INSTANCEID 10
#define TGSI_SEMANTIC_COUNT 11 /**< number of semantic values */
+/* 219 = (14 * 16 - 5)
+ * All SM3 semantics minus COLOR0, COLOR1, POSITION0, FOG0 and PSIZE0
+ * This value is accurately chosen so that Gallium semantic/indices may be
converted
+ * losslessly from and to SM3 semantics.
+ *
+ * Note that if BCOLOR is used, then this value is actually 211 -
#MAX_BCOLOR_INDEX_USED - 1
+ * (SM3 does not support BCOLOR, and uses FACE instead)
+ *
+ * In any card supports more, this will be handled later.
+ *
+ * However, drivers should support 256 generic indices if the mechanism
+ * they use is not intrinsically limited to a lower value.
+ */
+#define TGSI_SEMANTIC_GENERIC_INDICES 219
+
+#define TGSI_SEMANTIC_INDICES(sem) (((sem) == TGSI_SEMANTIC_GENERIC) ?
TGSI_SEMANTIC_GENERIC_INDICES : \
+ ((sem == TGSI_SEMANTIC_COLOR_INDICES || sem ==
TGSI_SEMANTIC_BCOLOR_INDICES) ? 2 : 1))
+
struct tgsi_declaration_semantic
{
unsigned Name : 8; /**< one of TGSI_SEMANTIC_x */
--
1.7.0.1.147.g6d84b
------------------------------------------------------------------------------
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