P.S. In my experience, confusing GL and GLES is something Mesa actually
does well. It provides a single API for both of them and even lets you
accidentally use GL features in GLES that should not exist.
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Those Mesa errors "Mesa: User error:" all look like OpenGL features that
Unity8 is hitting but mir-demos don't. So those gl calls are also good
candidates for explaining poor performance, especially if Mesa is
falling back to software rendering for them.
Unfortunately we're covering multiple issue
Albert was able to reproduce this on his netbook.
The dash issues we suspect are due to:
https://bugs.launchpad.net/qtubuntu/+bug/1580124
https://bugs.launchpad.net/qtubuntu/+bug/1580118
I suspect also that the poor unity8 performance is due to a GL/GLES mismatch in
unity8. Running unity8 with M
Loïc:
Our findings appear to be identical. Basic rendering on Pineview
(including shaders) is fast and smooth till I used trig functions in
shaders (mir_demo_client_eglplasma).
I doubt Unity/Ubuntu toolkit uses much trig, but it probably hits some
similarly expensive functions.
Expensive functio
Daniel, i have the same processor That hast thou,n450
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https://bugs.launchpad.net/bugs/1549455
Title:
Unity8-dash on Intel Pineview graphics crashes and restarts
continuo
Not related to the assertion but I got a Netbook with such a chip and it
was easily falling back to slow GPU/driver pathes. I remember for
instance transcendental functions in pixel shaders (sin, cos, etc)
taking ~1 sec to complete. So we could be hitting such an issue. Last
time I checked QtQuick
Mir server log on an Atom N450.
** Attachment added: "pineview.txt"
https://bugs.launchpad.net/ubuntu/+source/qtubuntu/+bug/1549455/+attachment/4658970/+files/pineview.txt
** Also affects: unity8 (Ubuntu)
Importance: Undecided
Status: New
** Changed in: unity8 (Ubuntu)
Importanc
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