Adding a Unity8 task as I suspect this bug will cause Unity8 to never
get bypassed on desktop.
We wouldn't really notice as both bypass and OpenGL compositing and
relatively fast. But it would be nice to ensure it's bypassed for the
best performance (and one frame lower latency).
While giving unity-system-compositor environment
MIR_SERVER_COMPOSITOR_REPORT=log would answer this question, that
doesn't work because lightdm clobbers the environment and never lets you
modify it.
** Also affects: unity8 (Ubuntu)
Importance: Undecided
Status: New
** Summary changed:
- [regression] Some Mir EGL demos don't get bypassed any more in fullscreen
+ [regression] Some EGL clients don't get bypassed any more in fullscreen
** Tags added: performance
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Touch seeded packages, which is subscribed to mesa in Ubuntu.
https://bugs.launchpad.net/bugs/1480755
Title:
[regression] Some EGL clients don't get bypassed any more in
fullscreen
Status in Mir:
Fix Released
Status in mesa package in Ubuntu:
New
Status in unity8 package in Ubuntu:
New
Bug description:
[regression] Fullscreen GL apps don't get bypassed any more.
As you can see in compositor report from any of our demo servers:
[1438572052.621854] compositor: Display 0x7faea4306fa0 averaged 60.537 FPS,
0.506 ms/frame, latency 15.669 ms, 61 frames over 1.007 sec, 0% bypassed
[1438572053.622668] compositor: Display 0x7faea4306fa0 averaged 59.950 FPS,
0.551 ms/frame, latency 15.814 ms, 60 frames over 1.000 sec, 0% bypassed
[1438572054.623370] compositor: Display 0x7faea4306fa0 averaged 59.958 FPS,
0.613 ms/frame, latency 15.721 ms, 60 frames over 1.000 sec, 0% bypassed
I think this is only "medium" though, because it's a transparent
optimization so its absence is very hard to notice in most cases.
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