glsl: Add a helper function for determining if an rvalue could be a saturate.

[mesa.git] / src / glsl / ir.h

diff --git a/src/glsl/ir.h b/src/glsl/ir.h
index be0da07b3b6c8a47d67854c16171a12df2dcf135..850033b185fca229165b89afb8abdab9e83bb904 100644 (file)
--- a/src/glsl/ir.h
+++ b/src/glsl/ir.h
@@ -144,6 +144,8 @@ public:
       return this;
    }
 
+   ir_rvalue *as_rvalue_to_saturate();
+
    virtual bool is_lvalue()
    {
       return false;