[MPlayer-dev-eng] [PATCH] Improved DGA vertical retrace sync

[Arpi]

Hi,

> > yes, as mga cards don't need it at all, they can do buffer switching by
> > hardware, without any help by driver or sw. just program the chip to switch
> > to buffer N. at next vsync, and it will do that.
> 
> 
> Hi,
> 
> Does the tdfxfb driver handle VSYNC?  I don't think so from looking at the
> kernel tdfxfb.c and at vo_tdfxfb.c.  Or, have I missed something?
> 

i don't think so, as the tdfxfb isn't really an overlay, but a bitmap scaler
which support yuv format textures too.
so, in case of tdfxfb, the scaled image is in the framebuffer, unlike mga
where it's a ghost over the buffer not really rendered but scaled onthefly
by DAC


A'rpi / Astral & ESP-team

--
Developer of MPlayer, the Movie Player for Linux - http://www.MPlayerHQ.hu