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driconf: Disable fp16 for browsers

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There are way too many broken WebGL apps using the wrong precision
qualifiers, which causes anything from jittery geometry to complete
breakage (e.g. QuakeJS and other games).

In addition, a Firefox bug is breaking basic canvas rendering for the
same reason (mozilla bug #1845309).

Let's just disable fp16 for browsers. There is no hope of getting all
this broken stuff fixed.

Signed-off-by: Asahi Lina <lina@asahilina.net>
Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Eric Engestrom <eric@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25052>
This commit is contained in:
Asahi Lina 2023-08-30 15:42:48 +09:00 • committed by Marge Bot
parent 025da70013
commit 8781c448a4
1 changed files with 33 additions and 0 deletions
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33
src/util/00-mesa-defaults.conf
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@ -915,6 +915,39 @@ TODO: document the other workarounds.
<option name="vk_x11_override_min_image_count" value="3" />
</application>
<!-- Disable fp16 support for browsers, since there is too much
broken WebGL out there that uses the wrong precision.
Bonus workaround for Firefox bug #1845309. -->
<application name="Firefox" executable="firefox">
<option name="no_fp16" value="true" />
</application>
<application name="Firefox ESR" executable="firefox-esr">
<option name="no_fp16" value="true" />
</application>
<application name="Chromium" executable="chromium">
<option name="no_fp16" value="true" />
</application>
<application name="Google Chrome" executable="chrome">
<option name="no_fp16" value="true" />
</application>
<application name="Iceweasel" executable="iceweasel">
<option name="no_fp16" value="true" />
</application>
<application name="Epiphany" executable="epiphany">
<option name="no_fp16" value="true" />
</application>
<application name="Konqueror" executable="konqueror">
<option name="no_fp16" value="true" />
</application>
<application name="Falkon" executable="falkon">
<option name="no_fp16" value="true" />
</application>
<application name="Seamonkey" executable="seamonkey">
<option name="no_fp16" value="true" />
</application>
<application name="Waterfox" executable="waterfox">
<option name="no_fp16" value="true" />
</application>
</device>
<!-- vmwgfx doesn't like full buffer swaps and can't sync to vertical retraces.-->
<device driver="vmwgfx">