[OE-core] software rendering opengl

[Yi Qingliang]

Hello,
     Is there somebody have experience on software rendering opengl?

     framebuffer + Qt5 + mesa swrast dri driver without hardware 3d
acceleration.

      which plugin should qt5 use? which deviceintegration should eglfs use?

     Thanks!


      the attachment is the detail strace log.

export QT_QPA_PLATFORM=eglfs
./QtDemo
qt.qpa.egldeviceintegration: Failed to load EGL device integration
"eglfs_kms_egldevice"
MESA-LOADER: could not get parent device
gbm: failed to open any driver (search paths /usr/lib/dri)
gbm: Last dlopen error: /usr/lib/dri/vgem_dri.so: cannot open shared
object file: No such file or directory
failed to load driver: vgem
gbm: failed to open any driver (search paths /usr/lib/dri)
gbm: Last dlopen error: /usr/lib/dri/kms_swrast_dri.so: cannot open
shared object file: No such file or directory
failed to load driver: kms_swrast
Unable to query physical screen size, defaulting to 100 dpi.
To override, set QT_QPA_EGLFS_PHYSICAL_WIDTH and
QT_QPA_EGLFS_PHYSICAL_HEIGHT (in millimeters).
EGL Error : Could not create the egl surface: error = 0x300b

Aborted





Yi Qingliang
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