Re: Snappy GUI response
Torgeir Veimo <[email protected]>
| Newsgroups | gmane.comp.xfree86.forum |
|---|---|
| Message-ID | <[email protected]> |
On Tue, 2003-07-08 at 12:53, Alan Cox wrote: > > That said, getting images from the chip, even if doing it with DMA is an > > expensive operation. Nowaday, most graphic cards have programmable > > Not that expensive. You get the full DMA/AGP bandwidth streaming by DMA > you get a tiny fraction of it How could images best be compressed while being swapped out of video card memory? I'd guess the AGP DMA wouldn't have any provision for (un)compressing data, and that this would have to be done by the vm subsystem itself? -- Torgeir Veimo <[email protected]>