You have been subscribed to a public bug:
As I also asked in http://askubuntu.com/questions/698855/severe-
rendering-issues-in-games-intel-hd-4000-ubuntu-15-10
After updating Ubuntu to 15.10, 3D Steam games don't render things
correctly. The issue is so severe that it is unplayable, as polygons are
smeared all over the screen (see screenshots in the askubuntu link
above).
GLGears works fine, so I looked for advanced OpenGL samples I can test
it on but couldn't find anything, not ready to use nor something I need
to compile.
My processor is Intel® Core™ i5-4430 CPU @ 3.00GHz × 4 and I use the processors
graphics, i.e. Intel HD 4000 series (Intel® Haswell Desktop).
The system is 64 bit, with 8 gigs of RAM.
I tried installing the ppa:oibaf/graphics-drivers repository and drivers, but
it didn't help.
I tried installing XFCE desktop and running the game from there, so there is no
Compiz interference, but it didn't help.
** Affects: mesa (Ubuntu)
Importance: Undecided
Status: New
** Tags: bot-comment drivers opengl
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Severe OpenGL rendering issues in games
https://bugs.launchpad.net/bugs/1518003
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seeded packages, which is subscribed to mesa in Ubuntu.
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