Thomas Steffen schrieb:
On 4/13/05, Hetz Ben Hamo <[EMAIL PROTECTED]> wrote:
Anyone thought about using XFree's Xv extension? last time I heard, it
works with all the cards, supported well under XFree, and I think it
will be better working rather with DGA..
Xv has its denefits, but I am not sure that it is the right tool for
the job here. Xv does hardware colorspace expansion, from the color
compression usually done in JPEG/MPEG to the RGB. This is the main
reason that it works better for video, but obviously we don't need
this (unless we want to play videos inside of QEMU).
And most graphics cards support only one Xv area, which is treated as
an overlay. That would be a serious restriction, because you could not
use Xine and QEMU together on one screen.
So I would think that DGA is the way to go first.
Thomas
Please no DGA :)
This is one of the reasons why I don't use VMWare - it needs DGA for
fullscreen mode, and my %&§&% ATI 9200 with this &§$/$%&/% fglrx driver
doesn't like DGA (yes, ok, ATI does make progress: at least dga doesn't
now crash the whole system with the current drivers...)
So I hope that qemu won't use DGA for faster graphics - I think
optimizing the current driver and maybe adding some host-OpenGL support
would be quite an improvement. Besides, such changes would also improve
Qemu on MacOS or Windows, not only on Linux.
Oliver
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