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-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_strings.c3
-rw-r--r--src/gallium/docs/source/tgsi.rst6
-rw-r--r--src/gallium/include/pipe/p_shader_tokens.h3
3 files changed, 10 insertions, 2 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_strings.c b/src/gallium/auxiliary/tgsi/tgsi_strings.c
index 2be726cdbbf..5b6e47fc87b 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_strings.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_strings.c
@@ -84,7 +84,8 @@ const char *tgsi_semantic_names[TGSI_SEMANTIC_COUNT] =
"CULLDIST",
"SAMPLEID",
"SAMPLEPOS",
- "SAMPLEMASK"
+ "SAMPLEMASK",
+ "INVOCATIONID",
};
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 b7d016acb08..170f83e20ac 100644
--- a/src/gallium/docs/source/tgsi.rst
+++ b/src/gallium/docs/source/tgsi.rst
@@ -2641,6 +2641,12 @@ For fragment shaders, this semantic label indicates that an output contains
the sample mask used to disable further sample processing
(i.e. gl_SampleMask). Only the X value is used, up to 32x MS.
+TGSI_SEMANTIC_INVOCATIONID
+""""""""""""""""""""""""""
+
+For geometry shaders, this semantic label indicates that a system value
+contains the current invocation id (i.e. gl_InvocationID). Only the X value 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 74e04756730..1903d5318a1 100644
--- a/src/gallium/include/pipe/p_shader_tokens.h
+++ b/src/gallium/include/pipe/p_shader_tokens.h
@@ -170,7 +170,8 @@ struct tgsi_declaration_interp
#define TGSI_SEMANTIC_SAMPLEID 24
#define TGSI_SEMANTIC_SAMPLEPOS 25
#define TGSI_SEMANTIC_SAMPLEMASK 26
-#define TGSI_SEMANTIC_COUNT 27 /**< number of semantic values */
+#define TGSI_SEMANTIC_INVOCATIONID 27
+#define TGSI_SEMANTIC_COUNT 28 /**< number of semantic values */
struct tgsi_declaration_semantic
{