diff options
author | Eric Anholt <eric@anholt.net> | 2011-03-11 13:08:26 -0800 |
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committer | Eric Anholt <eric@anholt.net> | 2011-03-15 09:49:00 -0700 |
commit | 991fa4d3d07a3ebda2a1398d346b18b3afbaa736 (patch) | |
tree | 33884cb3128d7abb225d25a60251f782201906fa /src/glsl/opt_if_simplification.cpp | |
parent | d3a444af2d4c42a23e9ec78dbef4c3ee45e1e50c (diff) |
glsl: Skip processing expression trees in do_if_simplification().
Reduces time spent in this during glean texCombine by about 2/3.
Diffstat (limited to 'src/glsl/opt_if_simplification.cpp')
-rw-r--r-- | src/glsl/opt_if_simplification.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/glsl/opt_if_simplification.cpp b/src/glsl/opt_if_simplification.cpp index 618bacfecf1..29b1d18aa59 100644 --- a/src/glsl/opt_if_simplification.cpp +++ b/src/glsl/opt_if_simplification.cpp @@ -38,10 +38,20 @@ public: } ir_visitor_status visit_leave(ir_if *); + ir_visitor_status visit_enter(ir_assignment *); bool made_progress; }; +/* We only care about the top level "if" instructions, so don't + * descend into expressions. + */ +ir_visitor_status +ir_if_simplification_visitor::visit_enter(ir_assignment *ir) +{ + return visit_continue_with_parent; +} + bool do_if_simplification(exec_list *instructions) { |