[Bug 68524] radeonsi with glamor has very poor performance with primitives drawing

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=68524

--- Comment #45 from Aaron Watry <awatry at gmail.com> ---
(In reply to comment #43)
> Created attachment 92009 [details] [review]
> use mi fallbacks for lines
> 
> can people give this a test to see if it alleviate the openoffice issues at
> least?

On a radeon 5400 (Cedar) in an i7-2600k running mesa/glamor git and llvm-3.5 in
gnome-shell:

Command: gtkperf -a -c 5

Before (glamor git master):
GtkDrawingArea - Lines - time:  7.22

After (dave/eric's mi lines patch):
GtkDrawingArea - Lines - time:  2.28

My previous diagonal lines patch:
GtkDrawingArea - Lines - time:  1.95

So it's an improvement over the status quo for sure.  I can probably test out
the mi fallbacks patch later on the radeonsi (7850) at home, but you'll have to
wait a few hours.

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