Bug#931857: ioquake3: framerate/performance under wayland is poor (FPS misleading)

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Bug#931857: ioquake3: framerate/performance under wayland is poor (FPS misleading)

Jonathan Dowland
Package: ioquake3
Version: 1.36+u20181222.e5da13f~dfsg-2
Severity: normal


Game performance under Wayland is much lower than under Xorg. I have FPS
displayed within the game and in both cases it reports something around
90fps at all times. But I suspect this is misleading in the Wayland case
(possibly due to off-screen rendering or buffers or something?); it
*feels* much lower. I cannot reliably hit things with the Rail gun,
whereas playing the same level/skill/#bots under Xorg is much smoother.

-- System Information:
Debian Release: 10.0
  APT prefers stable
  APT policy: (990, 'stable'), (500, 'stable-debug'), (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 4.19.0-5-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), LANGUAGE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages ioquake3 depends on:
ii  ioquake3-server  1.36+u20181222.e5da13f~dfsg-2
ii  libc6            2.28-10
ii  libcurl3-gnutls  7.64.0-3
ii  libgl1           1.1.0-1
ii  libjpeg62-turbo  1:1.5.2-2+b1
ii  libogg0          1.3.2-1+b1
ii  libopenal1       1:1.19.1-1
ii  libopus0         1.3-1
ii  libopusfile0     0.9+20170913-1
ii  libsdl2-2.0-0    2.0.9+dfsg1-1
ii  libvorbis0a      1.3.6-2
ii  libvorbisfile3   1.3.6-2
ii  zlib1g           1:1.2.11.dfsg-1

Versions of packages ioquake3 recommends:
ii  x11-utils  7.7+4
ii  zenity     3.30.0-2

ioquake3 suggests no packages.

Versions of packages ioquake3 is related to:
ii  libgl1-mesa-dri  18.3.4-2

-- no debconf information