From: Francisco Jerez <currojerez@riseup.net>
Date: Sun, 18 Mar 2012 17:13:29 +0000 (+0100)
Subject: gallium/tgsi: Define system values used to query the compute grid parameters.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=581ddbcf93ea8111e71ef43e90fa6937cf46a2cb;p=mesa.git

gallium/tgsi: Define system values used to query the compute grid parameters.
---

diff --git a/src/gallium/auxiliary/tgsi/tgsi_strings.c b/src/gallium/auxiliary/tgsi/tgsi_strings.c
index 1d959b6e0e9..d7b74ba2b8b 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_strings.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_strings.c
@@ -74,7 +74,11 @@ const char *tgsi_semantic_names[TGSI_SEMANTIC_COUNT] =
    "VERTEXID",
    "STENCIL",
    "CLIPDIST",
-   "CLIPVERTEX"
+   "CLIPVERTEX",
+   "GRID_SIZE",
+   "BLOCK_ID",
+   "BLOCK_SIZE",
+   "THREAD_ID"
 };
 
 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 d45a914924e..70a3221f8a9 100644
--- a/src/gallium/include/pipe/p_shader_tokens.h
+++ b/src/gallium/include/pipe/p_shader_tokens.h
@@ -158,7 +158,11 @@ struct tgsi_declaration_interp
 #define TGSI_SEMANTIC_STENCIL    12
 #define TGSI_SEMANTIC_CLIPDIST   13
 #define TGSI_SEMANTIC_CLIPVERTEX 14
-#define TGSI_SEMANTIC_COUNT      15 /**< number of semantic values */
+#define TGSI_SEMANTIC_GRID_SIZE  15 /**< grid size in blocks */
+#define TGSI_SEMANTIC_BLOCK_ID   16 /**< id of the current block */
+#define TGSI_SEMANTIC_BLOCK_SIZE 17 /**< block size in threads */
+#define TGSI_SEMANTIC_THREAD_ID  18 /**< block-relative id of the current thread */
+#define TGSI_SEMANTIC_COUNT      19 /**< number of semantic values */
 
 struct tgsi_declaration_semantic
 {