---
src/intel/compiler/brw_compiler.h | 1 +
src/intel/compiler/brw_vec4.cpp | 4 ++++
2 files changed, 5 insertions(+)
diff --git a/src/intel/compiler/brw_compiler.h
b/src/intel/compiler/brw_compiler.h
index 24196248b8e..e3bf535a519 100644
--- a/src/intel/compiler/brw_compiler.h
+++ b/src/intel/compiler/brw_compiler.h
@@ -978,6 +978,7 @@ struct brw_vs_prog_data {
bool uses_vertexid;
bool uses_instanceid;
bool uses_basevertex;
+ bool uses_is_indexed_draw;
bool uses_firstvertex;
bool uses_baseinstance;
bool uses_drawid;
diff --git a/src/intel/compiler/brw_vec4.cpp b/src/intel/compiler/brw_vec4.cpp
index 1e384f5bf4d..e583c549204 100644
--- a/src/intel/compiler/brw_vec4.cpp
+++ b/src/intel/compiler/brw_vec4.cpp
@@ -2837,6 +2837,10 @@ brw_compile_vs(const struct brw_compiler *compiler, void
*log_data,
BITFIELD64_BIT(SYSTEM_VALUE_BASE_VERTEX))
prog_data->uses_basevertex = true;
+ if (shader->info.system_values_read &
+ BITFIELD64_BIT(SYSTEM_VALUE_IS_INDEXED_DRAW))
+ prog_data->uses_is_indexed_draw = true;
+
if (shader->info.system_values_read &
BITFIELD64_BIT(SYSTEM_VALUE_FIRST_VERTEX))
prog_data->uses_firstvertex = true;
--
2.14.1
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