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glsl: Fixed vectorize pass vs. texture lookups.

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Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=82574
Reviewed-by: Matt Turner <mattst88@gmail.com>
This commit is contained in:
Aras Pranckevicius 2014-08-13 20:40:05 +03:00 • committed by Matt Turner
parent 088106fa79
commit 2b837576eb
1 changed files with 13 additions and 0 deletions
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13
src/glsl/opt_vectorize.cpp
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@ -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