[Mesa-dev] [Bug 109258] Weston drm-backend.so seems to fail with Mesa master and LIBGL_ALWAYS_SOFTWARE=1

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Jul 1 14:25:32 UTC 2019


--- Comment #14 from Brendan King <brendan.king at imgtec.com> ---
That block of code in platform_drm.c appears to be incorrect. The ForceSoftware
flag is derived from the LIBGL_ALWAYS_SOFTWARE environment variable, but
platform_drm uses GBM, with the DRM backend, which uses the GBM_ALWAYS_SOFTWARE
environment variable to force software rendering, not LIBGL_ALWAYS_SOFTWARE. In
any case, software rendering does appear to be supported, despite what the
comment says.

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