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authorIan Romanick <[email protected]>2014-06-20 16:11:50 -0700
committerKenneth Graunke <[email protected]>2014-09-10 11:04:50 -0700
commit1e87fbd78f15f262b3dd2cbc16099e9f484c42a0 (patch)
treeb5042e9f6e4c71ce16e1f20ba027979d9a13d542 /src
parent5964a4f344fa4fd631bcccf67c065b9e66b94108 (diff)
mesa: Add SYSTEM_VALUE_BASE_VERTEX
This system value represents the basevertex value passed to glDrawElementsBaseVertex and related functions. Signed-off-by: Ian Romanick <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]> Reviewed-by: Tapani Pälli <[email protected]>
Diffstat (limited to 'src')
-rw-r--r--src/mesa/main/mtypes.h15
-rw-r--r--src/mesa/state_tracker/st_glsl_to_tgsi.cpp1
2 files changed, 15 insertions, 1 deletions
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 32e308a6172..05534dba288 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -2084,7 +2084,12 @@ typedef enum
* gl_VertexID gets basevertex added in. This differs from DirectX where
* SV_VertexID does \b not get basevertex added in.
*
- * \sa SYSTEM_VALUE_VERTEX_ID_ZERO_BASE
+ * \note
+ * If all system values are available, \c SYSTEM_VALUE_VERTEX_ID will be
+ * equal to \c SYSTEM_VALUE_VERTEX_ID_ZERO_BASE plus
+ * \c SYSTEM_VALUE_BASE_VERTEX.
+ *
+ * \sa SYSTEM_VALUE_VERTEX_ID_ZERO_BASE, SYSTEM_VALUE_BASE_VERTEX
*/
SYSTEM_VALUE_VERTEX_ID,
@@ -2126,6 +2131,14 @@ typedef enum
* \sa SYSTEM_VALUE_VERTEX_ID, SYSTEM_VALUE_BASE_VERTEX
*/
SYSTEM_VALUE_VERTEX_ID_ZERO_BASE,
+
+ /**
+ * Value of \c basevertex passed to \c glDrawElementsBaseVertex and similar
+ * functions.
+ *
+ * \sa SYSTEM_VALUE_VERTEX_ID, SYSTEM_VALUE_VERTEX_ID_ZERO_BASE
+ */
+ SYSTEM_VALUE_BASE_VERTEX,
/*@}*/
/**
diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index 18354605f8f..7c2f0fca03c 100644
--- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -4168,6 +4168,7 @@ const unsigned _mesa_sysval_to_semantic[SYSTEM_VALUE_MAX] = {
TGSI_SEMANTIC_VERTEXID,
TGSI_SEMANTIC_INSTANCEID,
0,
+ 0,
/* Geometry shader
*/