Michel Dänzer wrote:
You have to double draw everything. I don't have an implementation, but a correct one would do those twice, too.On Mon, 2002-12-16 at 13:34, Keith Whitwell wrote:Michel Dänzer wrote:I haven't. I'll have to go back to the last email thread I had on this, with Alan Hourihane, where (I think) I convinced myself once again that there was no way any copying scheme could ever be completely correct, and that only double-drawing could do the job properly.On Mon, 2002-12-16 at 10:47, Keith Whitwell wrote:The 830 page flipping code is turned off for some good reasons:
- I haven't seen it work without really visible corruption on the flip - typically flashing and blank areas
Presumably it uses the mi shadow module, and you should try shadowfb instead? Have you (or anyone else, for that matter) had a chance to try my patch for the radeon driver?
I on the other hand am pretty convinced that double drawing will never work. :) Because it doesn't handle unaccelerated primitives, or how does it?
Keith
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