From: Neil Roberts <[email protected]>
---
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 df6ee018546..6b5b73a54f0 100644
--- a/src/intel/compiler/brw_compiler.h
+++ b/src/intel/compiler/brw_compiler.h
@@ -969,6 +969,7 @@ struct brw_vs_prog_data {
bool uses_vertexid;
bool uses_instanceid;
bool uses_basevertex;
+ bool uses_basevertexid;
bool uses_baseinstance;
bool uses_drawid;
};
diff --git a/src/intel/compiler/brw_vec4.cpp b/src/intel/compiler/brw_vec4.cpp
index bbe4585e0c7..d996ab8c89f 100644
--- a/src/intel/compiler/brw_vec4.cpp
+++ b/src/intel/compiler/brw_vec4.cpp
@@ -2795,6 +2795,10 @@ 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_BASE_VERTEX_ID))
+ prog_data->uses_basevertexid = true;
+
if (shader->info.system_values_read &
BITFIELD64_BIT(SYSTEM_VALUE_BASE_INSTANCE))
prog_data->uses_baseinstance = true;
--
2.14.1
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