On Die, 2002-10-22 at 23:12, Tony Wu wrote:
> Does XFree86 video driver support VBlank(Vsync) interrupt? If it does, how to enable
>it?
> I know some librarys offer function calls to sync to Vsync (linke SDL_Flip), but
>they use
> polling instead Vsync interrupt. The performance suffers a lot.
>
On Tue, 22 Oct 2002, Tony Wu wrote:
> Does XFree86 video driver support VBlank(Vsync) interrupt? If it does,
> how to enable it?
XFree86 drivers are user-space drivers, and as such cannot
service interrupts. Only the kernel can handle interrupts.
Since most XFree86 drivers do not have a kern
Does XFree86 video driver support VBlank(Vsync)
interrupt? If it does, how to enable it?
I know some librarys offer function calls to sync
to Vsync (linke SDL_Flip), but they use
polling instead Vsync interrupt. The performance
suffers a lot.
I did some experiment by probing the vidoe
inte
