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-rw-r--r--src/mesa/main/shader_query.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mesa/main/shader_query.cpp b/src/mesa/main/shader_query.cpp
index 42677431690..4871d09657c 100644
--- a/src/mesa/main/shader_query.cpp
+++ b/src/mesa/main/shader_query.cpp
@@ -92,8 +92,8 @@ is_active_attrib(const ir_variable *var)
* are enumerated, including the special built-in inputs gl_VertexID
* and gl_InstanceID."
*/
- return !strcmp(var->name, "gl_VertexID") ||
- !strcmp(var->name, "gl_InstanceID");
+ return var->data.location == SYSTEM_VALUE_VERTEX_ID ||
+ var->data.location == SYSTEM_VALUE_INSTANCE_ID;
default:
return false;