By default r300_demo and r300_driver have tiling enabled at 16x16 pixel squares, in fact the card should come up with this on by default..
Now on to the next question - how can one fix the 2048x2048 limit ?
check out this thread: http://marc.theaimsgroup.com/?t=106703195300003&r=1&w=2 another option would be to adjust the 3d engine offset: http://marc.theaimsgroup.com/?t=110690272200007&r=1&w=2 however, as I said in another email yesterday, the max width of a tiled surface is 2048.
This was enlightening, thank you !
I think that with R300 we could do this:
* modify vertex program to perform an arbitrary translation as the last step.
* use separate buffer offsets for each 2048x2048 square.
Issues:
* need to check that we have enough of zbuffer/doublebuffer allocated to accomodate this..
What does everyone think ?
best
Vladimir Dergachev
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