glsl: Add a virtual as_discard() method.

NOTE: This is candidate for the 7.9 branch.
(cherry picked from commit 1eb7a81f2e)
This commit is contained in:
Kenneth Graunke 2010-11-24 21:33:07 -08:00 committed by Ian Romanick
parent dcc7a8a80a
commit 1e2e387a15

View file

@ -125,6 +125,7 @@ public:
virtual class ir_if * as_if() { return NULL; }
virtual class ir_swizzle * as_swizzle() { return NULL; }
virtual class ir_constant * as_constant() { return NULL; }
virtual class ir_discard * as_discard() { return NULL; }
/*@}*/
protected:
@ -1044,6 +1045,11 @@ public:
virtual ir_visitor_status accept(ir_hierarchical_visitor *);
virtual ir_discard *as_discard()
{
return this;
}
ir_rvalue *condition;
};
/*@}*/