I have
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 5500 (rev
09)
glxinfo | grep OpenGL
OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) HD Graphics 5500 (Broadwell GT2)
OpenGL core profile version string: 4.3 (Core Profile) Mesa 12.0.1
OpenGL core profile shading language version string: 4.30
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
OpenGL version string: 3.0 Mesa 12.0.1
OpenGL shading language version string: 1.30
OpenGL context flags: (none)
OpenGL extensions:
OpenGL ES profile version string: OpenGL ES 3.1 Mesa 12.0.1
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.10
OpenGL ES profile extensions:
But if I select opengl 3.1 in settings/display/compositor, it doesn't work
reliably. It seems sections of screens are often not updated. This doesn't
happen if I select opengl 2.
I read that intel opengl depends on mesa, and whatever mesa claims to
support should work. Doesn't seem to, any ideas?
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