From 2b837576eb47eeb25f381c534a8bbccda0ee4c89 Mon Sep 17 00:00:00 2001 From: Aras Pranckevicius Date: Wed, 13 Aug 2014 20:40:05 +0300 Subject: glsl: Fixed vectorize pass vs. texture lookups. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=82574 Reviewed-by: Matt Turner --- src/glsl/opt_vectorize.cpp | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'src/glsl') diff --git a/src/glsl/opt_vectorize.cpp b/src/glsl/opt_vectorize.cpp index 28534a86ade..2f71a83583b 100644 --- a/src/glsl/opt_vectorize.cpp +++ b/src/glsl/opt_vectorize.cpp @@ -86,6 +86,7 @@ public: virtual ir_visitor_status visit_enter(ir_expression *); virtual ir_visitor_status visit_enter(ir_if *); virtual ir_visitor_status visit_enter(ir_loop *); + virtual ir_visitor_status visit_enter(ir_texture *); virtual ir_visitor_status visit_leave(ir_assignment *); @@ -351,6 +352,18 @@ ir_vectorize_visitor::visit_enter(ir_loop *ir) return visit_continue_with_parent; } +/** + * Upon entering an ir_texture, remove the current assignment from + * further consideration. Vectorizing multiple texture lookups into one + * is wrong. + */ +ir_visitor_status +ir_vectorize_visitor::visit_enter(ir_texture *) +{ + this->current_assignment = NULL; + return visit_continue_with_parent; +} + /** * Upon leaving an ir_assignment, save a pointer to it in ::assignment[] if * the swizzle mask(s) found were appropriate. Also save a pointer in -- cgit v1.2.3