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Diffstat (limited to 'src/glsl/opt_tree_grafting.cpp')
-rw-r--r--src/glsl/opt_tree_grafting.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/glsl/opt_tree_grafting.cpp b/src/glsl/opt_tree_grafting.cpp
index ae77408dbe..1ef940f9c7 100644
--- a/src/glsl/opt_tree_grafting.cpp
+++ b/src/glsl/opt_tree_grafting.cpp
@@ -195,7 +195,7 @@ ir_tree_grafting_visitor::visit_enter(ir_call *ir)
ir_rvalue *ir = (ir_rvalue *)iter.get();
ir_rvalue *new_ir = ir;
- if (sig_param->mode != ir_var_in)
+ if (sig_param->mode != ir_var_in && sig_param->mode != ir_var_const_in)
continue;
if (do_graft(&new_ir)) {