[Mesa-dev] [Bug 84570] Borderlands 2: Constant frame rate drops while playing; really bad with additionl lighting

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=84570

--- Comment #15 from Kai <kai at dev.carbon-project.org> ---
(In reply to Michel Dänzer from comment #14)
> People reported that Mesa commit 7b4276d7acf2e0f77044cb50caa6ad936fa78786
> ('r600g,radeonsi: Always use GTT again for PIPE_USAGE_STREAM buffers')
> helped for Borderlands 2.

THAT is a LOT better! Even with DynamicLights on I only get occasional FPS
drops. Usually directly after entering a new area. Sometimes, when there's a
lot to draw, that moves, you can get the drops again as well. I played for
about an hour (with DynamicLights=true), and it didn't get worse with time.
It's just dependent on whether there is lots of new stuff to draw or there are
lots of moving parts with lighting eg. from fires or effects.

TL;DR: Almost there. There are still drops, but not as bad as before and almost
no complete "1 second freezes" any longer.


My current stack is (Debian testing as a base):
GPU: Hawaii PRO [Radeon R9 290] (ChipID = 0x67b1)
Mesa: Git:master/ac557b4c12 + attachment 107542 and attachment 107543
libdrm: Git:master/00847fa48b
LLVM: SVN:trunk/r219409 (3.6 devel)
X.Org: 2:1.16.1-1
Linux: Git:~agd5f/linux:drm-next-3.18:369283bfbd + attachment 107451 and
attachment 107544 (identifies itself as 3.17.0-rc5)
Firmware: <http://people.freedesktop.org/~agd5f/radeon_ucode/>
> 9e05820da42549ce9c89d147cf1f8e19  /lib/firmware/updates/3.17.0-citadel/radeon/hawaii_ce.bin
> c8bab593090fc54f239c8d7596c8d846  /lib/firmware/updates/3.17.0-citadel/radeon/hawaii_mc.bin
> 3618dbb955d8a84970e262bb2e6d2a16  /lib/firmware/updates/3.17.0-citadel/radeon/hawaii_me.bin
> c000b0fc9ff6582145f66504b0ec9597  /lib/firmware/updates/3.17.0-citadel/radeon/hawaii_mec.bin
> 0643ad24b3beff2214cce533e094c1b7  /lib/firmware/updates/3.17.0-citadel/radeon/hawaii_pfp.bin
> ba6054b7d78184a74602fd81607e1386  /lib/firmware/updates/3.17.0-citadel/radeon/hawaii_rlc.bin
> 11288f635737331b69de9ee82fe04898  /lib/firmware/updates/3.17.0-citadel/radeon/hawaii_sdma.bin
> 284429675a5560e0fad42aa982965fc2  /lib/firmware/updates/3.17.0-citadel/radeon/hawaii_smc.bin
libclc: Git:master/7f6f5bff1f
DDX: Git:master/xf86-video-ati-7.5.0

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