From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 104603] Below 60 FPS with XScreenSaver discoball on HiDPI monitor
Date: Fri, 12 Jan 2018 16:16:54 +0000 [thread overview]
Message-ID: <bug-104603-502@http.bugs.freedesktop.org/> (raw)
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https://bugs.freedesktop.org/show_bug.cgi?id=104603
Bug ID: 104603
Summary: Below 60 FPS with XScreenSaver discoball on HiDPI
monitor
Product: Mesa
Version: 17.3
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/Gallium/i915g
Assignee: dri-devel@lists.freedesktop.org
Reporter: pmenzel+bugs.freedesktop@molgen.mpg.de
QA Contact: dri-devel@lists.freedesktop.org
With Mesa 17.3.1 and XScreenSaver 5.37 testing the discoball in demo, I do not
get 60 FPS on the DPI monitor Dell U2718Q.
```
$ lspci -nn -s 0:02.0
00:02.0 VGA compatible controller [0300]: Intel Corporation HD Graphics 530
[8086:1912] (rev 06)
$ more /proc/version
Linux version 4.14.13.mx64.201 (root@orpheus.molgen.mpg.de) (gcc version 5.3.0
(GCC)) #1 SMP Wed Jan 10 12:14:02 CET 2018
$ xrandr
Screen 0: minimum 320 x 200, current 3840 x 2160, maximum 8192 x 8192
HDMI-1 disconnected (normal left inverted right x axis y axis)
DP-1 disconnected (normal left inverted right x axis y axis)
HDMI-2 disconnected (normal left inverted right x axis y axis)
DP-2 connected 3840x2160+0+0 (normal left inverted right x axis y axis) 609mm x
349mm
3840x2160 60.00*+ 29.98
2560x1440 59.95
2048x1280 59.99
1920x1200 59.88
2048x1080 24.00
1920x1080 60.00 60.00 50.00 59.94 24.00 23.98
1920x1080i 60.00 50.00 59.94
1600x1200 60.00
1600x900 60.00
1280x1024 75.02 60.02
1152x864 75.00
1280x720 60.00 50.00 59.94
1024x768 75.03 60.00
800x600 75.00 60.32
720x576 50.00
720x480 60.00 59.94
640x480 75.00 60.00 59.94
720x400 70.08
HDMI-3 disconnected (normal left inverted right x axis y axis)
DP-3 disconnected (normal left inverted right x axis y axis)
```
Running the command below, only around 30 FPS are shown and the “animation”
stutters, that means, it is not smooth.
```
$ discoball -delay 0 -count 51 -spin -fps
```
Is that a hardware limitation, can the drivers be improved, or is it even
XScreenSaver?
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next reply other threads:[~2018-01-12 16:16 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-12 16:16 bugzilla-daemon [this message]
2018-01-15 18:50 ` [Bug 104603] Below 60 FPS with XScreenSaver discoball on HiDPI monitor bugzilla-daemon
2018-01-15 18:51 ` bugzilla-daemon
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