http://bugs.freedesktop.org/show_bug.cgi?id=21019
Summary: Performance regression on r200 started with one older
mesa core commit. It is in Mesa-7.4 also.
Product: Mesa
Version: unspecified
Platform: x86 (IA32)
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/DRI/r200
AssignedTo: dri-devel@lists.sourceforge.net
ReportedBy: smoki00...@gmail.com
Created an attachment (id=24477)
--> (http://bugs.freedesktop.org/attachment.cgi?id=24477)
Mesa-7.0.1
Implement mutex/locking around texture object reference counting.
http://cgit.freedesktop.org/mesa/mesa/commit/?id=e279a0a076b7a3c8d60138c19870784c260c9d67
It can be noticed here and there, but especially in planetpenguin-racer
(ppracer). First turn on fps counter from the game menu. Good example is
straight on first level you will notice lower performance and when you go
faster downhill and/or quickly change direction, you'll se many hickups and
also very few fps.
Before this commit game was smooth, without hickups and with stable fps.
Also note that if someone want to isolate just this bug on r200, please use
XAA instead of EXA, because EXA has one another bug which slowing down
something in this game on contrast from using XAA. That is just when statistics
at finish of each levels/races appear. Yes i know this is separate bug, but i
don't know is this
dri, drm or just only ddx related, but here it is... noticed on the same game.
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