Signed-off-by: Ilia Mirkin <imir...@alum.mit.edu>
---
src/gallium/docs/source/tgsi.rst | 13 +++++++++++++
src/gallium/include/pipe/p_shader_tokens.h | 4 +++-
2 files changed, 16 insertions(+), 1 deletion(-)
diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst
index acd8f75..f69998f 100644
--- a/src/gallium/docs/source/tgsi.rst
+++ b/src/gallium/docs/source/tgsi.rst
@@ -2955,6 +2955,19 @@ 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 a3137ae..e8f4ad2 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
{
--
2.4.10
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