diff options
author | Eric Anholt <eric@anholt.net> | 2011-03-11 13:23:13 -0800 |
---|---|---|
committer | Eric Anholt <eric@anholt.net> | 2011-03-15 09:49:01 -0700 |
commit | 2b13e135942ea7ebe1426a1809bf0efb7891387d (patch) | |
tree | ea610d53b5042d441bf15e8dce67eec38514dc20 | |
parent | 05cf1ad82eb903eb07d7b379d0ea610bb43dd84a (diff) |
glsl: Skip processing of expression trees in discard simplification.
It only cares about "if", "loop", and "discard".
-rw-r--r-- | src/glsl/opt_discard_simplification.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/glsl/opt_discard_simplification.cpp b/src/glsl/opt_discard_simplification.cpp index 0e577c478a..7c2928d271 100644 --- a/src/glsl/opt_discard_simplification.cpp +++ b/src/glsl/opt_discard_simplification.cpp @@ -95,6 +95,7 @@ public: ir_visitor_status visit_enter(ir_if *); ir_visitor_status visit_enter(ir_loop *); + ir_visitor_status visit_enter(ir_assignment *); bool progress; }; @@ -117,6 +118,15 @@ is_only_instruction(ir_discard *discard) discard->next->is_tail_sentinel()); } +/* We only care about the top level instructions, so don't descend + * into expressions. + */ +ir_visitor_status +discard_simplifier::visit_enter(ir_assignment *ir) +{ + return visit_continue_with_parent; +} + ir_visitor_status discard_simplifier::visit_enter(ir_if *ir) { |