glsl: silence unused 'var' variable warning

[mesa.git] / src / glsl / lower_packed_varyings.cpp

diff --git a/src/glsl/lower_packed_varyings.cpp b/src/glsl/lower_packed_varyings.cpp
index 4f617225c0f2169680cda90b60b5dfafb88f08bf..2bcadfd55bc759311feda507365b6a54b3c03897 100644 (file)
--- a/src/glsl/lower_packed_varyings.cpp
+++ b/src/glsl/lower_packed_varyings.cpp
@@ -148,6 +148,8 @@
 #include "ir.h"
 #include "ir_optimization.h"
 
+namespace {
+
 /**
  * Visitor that performs varying packing.  For each varying declared in the
  * shader, this visitor determines whether it needs to be packed.  If so, it
@@ -230,6 +232,8 @@ private:
    exec_list *out_instructions;
 };
 
+} /* anonymous namespace */
+
 lower_packed_varyings_visitor::lower_packed_varyings_visitor(
       void *mem_ctx, unsigned location_base, unsigned locations_used,
       ir_variable_mode mode, unsigned gs_input_vertices,