[Bug 82574] GLSL: opt_vectorize goes wrong on texture lookups
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Wed Aug 13 13:57:54 PDT 2014
https://bugs.freedesktop.org/show_bug.cgi?id=82574
--- Comment #1 from Matt Turner <mattst88 at gmail.com> ---
(In reply to comment #0)
> I can make this bug go away by stopping vectorizing on texture samples, i.e.
> adding something like this to opt_vectorize.cpp:
>
>
> /**
> * 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;
> }
Cool. Can you send that as a patch to mesa-dev?
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