On Tue, 15 Feb 2000, Marc Le Roy wrote:
> I need to generate images in real time at frequencies up to 75 Hz, and
> if possible synchronized with the frame synchro of the PCI SVGA graphics
> board.
Which video card do you have? Can you use a fbdev driver? If this is the
case you can write a program that mmaps the MMIO region and test the VBL
bit.
> 1) Is it possible to use RT-linux for this purpose ?
Yes. You have to sync the periodic thread up with the VBL.
> 2) Which software library :
> - compatible with RT-Linux (i.e. usable from kernel modules)
Don't know of any.
> - using accelerated functions of the SVGA adapter,
> should I use in order to avoid to re-develop basic 2D primitives ?
Depends on the video card. Their are several libraries out their with
different types of card support.
Codito, ergo sum - "I code, therefore I am"
James Simmons (o_
fbdev/gfx developer (o_ (o_ //\
http://www.linux-fbdev.org (/)_ (/)_ V_/_
http://linuxgfx.sourceforge.net
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