"The power of accurate observation is often called cynicism by those who don't have it."
- George Bernard Shaw
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New infinite terrain demo
Thursday, March 9, 2006 | Permalink

This is a demo, quite similar to my old infinite terrain demo, but this time implemented using R2VB.

Enjoy!

2006-03-11 update:
I've added VTF support, so now it should on GeForce 6 series and up too, but as expected, it's quite slow. The 6600 ran at 27fps compared to the X850XT at 272fps.

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Gong
Monday, March 13, 2006

Can X850XT support R2VB?

tEd
Tuesday, March 14, 2006

from r9500 upwards

Mazda
Wednesday, March 15, 2006

Thank you for the great demo Humus.I wonder whether I can use multiple texture as Vertex Elements?It seems that only one texture stage(D3DDMAPSAMPLER)is available for R2VB.

BTW:I think the demo can run much faster if the post-VS-cache is fully utilized.

fellix
Wednesday, March 15, 2006



fellix
Wednesday, March 15, 2006

A 7900GTX at default clocks would perform somewhere with 168 fps.

Humus
Wednesday, March 15, 2006

Mazda, on the vs2.0 hardware there's only the DMAP sampler, they can only use one R2VB stream. On vs3.0 hardware there's also the four vertex samplers, so they can use five streams. But there's always the possibility to run another pass that takes several streams and interleaves them into a single buffer.

Mazda
Wednesday, March 15, 2006

Humus,thanks a lot ;-)

Monk
Friday, March 31, 2006

R2VB and VTF comparison is quite inconsistent. Theese are 2 different techniques and I think, that VBO technique is much closer to R2VB then VTF in terms of realization and performance. VTF is slow in current implementation, TRUE, but it's suited for more complex effects then R2VB

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