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-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_strings.c2
-rw-r--r--src/gallium/docs/source/tgsi.rst13
-rw-r--r--src/gallium/include/pipe/p_shader_tokens.h4
3 files changed, 18 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_strings.c b/src/gallium/auxiliary/tgsi/tgsi_strings.c
index fc29a2398aa..fd926b37c47 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_strings.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_strings.c
@@ -96,6 +96,8 @@ const char *tgsi_semantic_names[TGSI_SEMANTIC_COUNT] =
"TESSINNER",
"VERTICESIN",
"HELPER_INVOCATION",
+ "BASEINSTANCE",
+ "DRAWID",
};
const char *tgsi_texture_names[TGSI_TEXTURE_COUNT] =
diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst
index e7b0c2f6377..955ece89da5 100644
--- a/src/gallium/docs/source/tgsi.rst
+++ b/src/gallium/docs/source/tgsi.rst
@@ -2949,6 +2949,19 @@ invocation is covered or not. Helper invocations are created in order
to properly compute derivatives, however it may be desirable to skip
some of the logic in those cases. See ``gl_HelperInvocation`` documentation.
+TGSI_SEMANTIC_BASEINSTANCE
+""""""""""""""""""""""""""
+
+For vertex shaders, the base instance argument supplied for this
+draw. This is an integer value, and only the X component is used.
+
+TGSI_SEMANTIC_DRAWID
+""""""""""""""""""""
+
+For vertex shaders, the zero-based index of the current draw in a
+``glMultiDraw*`` invocation. This is an integer value, and only the X
+component is used.
+
Declaration Interpolate
^^^^^^^^^^^^^^^^^^^^^^^
diff --git a/src/gallium/include/pipe/p_shader_tokens.h b/src/gallium/include/pipe/p_shader_tokens.h
index a3137aec8db..e8f4ad210e1 100644
--- a/src/gallium/include/pipe/p_shader_tokens.h
+++ b/src/gallium/include/pipe/p_shader_tokens.h
@@ -186,7 +186,9 @@ struct tgsi_declaration_interp
#define TGSI_SEMANTIC_TESSINNER 33 /**< inner tessellation levels */
#define TGSI_SEMANTIC_VERTICESIN 34 /**< number of input vertices */
#define TGSI_SEMANTIC_HELPER_INVOCATION 35 /**< current invocation is helper */
-#define TGSI_SEMANTIC_COUNT 36 /**< number of semantic values */
+#define TGSI_SEMANTIC_BASEINSTANCE 36
+#define TGSI_SEMANTIC_DRAWID 37
+#define TGSI_SEMANTIC_COUNT 38 /**< number of semantic values */
struct tgsi_declaration_semantic
{