Module: Mesa Branch: master Commit: 2b13e135942ea7ebe1426a1809bf0efb7891387d URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=2b13e135942ea7ebe1426a1809bf0efb7891387d
Author: Eric Anholt <e...@anholt.net> Date: Fri Mar 11 13:23:13 2011 -0800 glsl: Skip processing of expression trees in discard simplification. It only cares about "if", "loop", and "discard". --- 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 0e577c4..7c2928d 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) { _______________________________________________ mesa-commit mailing list mesa-commit@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-commit