2014-06-19 16:16 GMT+02:00 Axel Davy <axel.d...@ens.fr>: > On 15/06/2014 07:49, Giovanni Campagna wrote : > >> From: Giovanni Campagna <gcampa...@src.gnome.org> >> >> The kms-dri swrast driver cannot share buffers using the GEM, >> so it must tell the loader to disable extensions relying on >> that, without disabling the image DRI extension altogheter >> (which would prevent the loader from working at all). >> This requires a new gallium capability (which is queried on >> the pipe_screen and for swrast drivers it's forwared to the >> winsys), and requires a new version of the DRI image extension. >> > Why does this require a new version of the DRI image extension ? > Could you just set createImageFromName and CreateImageFromNames to NULL, and > add checks for that (instead of checking the capability ? > It's what is done to check if we can import dma-bufs (check if > createImageFromFds is not NULL).
Yes, but in my opinion a generic getCapabilities() that returns a bitmask is more flexible, and will allow avoiding version increases and new vfuncs, should negotiation for new features be needed in the future. Giovanni _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
