[Mesa-dev] [PATCH 06/13] mesa: Replace string comparisons with SYSTEM_VALUE enum checks.

[Kenneth Graunke]

This is more efficient.

Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>
---
 src/mesa/main/shader_query.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

You can't see it in the diff, but this is in a switch statement on
var->data.mode, in the ir_var_system_value case.

diff --git a/src/mesa/main/shader_query.cpp b/src/mesa/main/shader_query.cpp
index 4267743..4871d09 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;
-- 
2.0.2