Re: [Algorithms] OpenGL LockArrayEXT ... workaround
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From: Mark W. <mwa...@to...> - 2000-08-28 07:39:27
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I believe that this limit was DMA related, rather than index addressing related. I am also under the impression that this limitation is no longer in effect if using the latest drivers (and perhaps DX8) ... and yes, the document should be updated :) > First off, the 64k limit is just because 16-bit indices are used for vertices, > and that's a hard limit to stay for quite some time, I imagine. As for that 2k > vertices per buffer, that was an anomaly of old GeForce drivers, and has been > removed. Hey NVidia, you need to make a new document on how to optimize for T&L > that doesn't dwell so much on the oddities of the GeForce (which really does > have odd performance characterics which are not typical of Radeon and other > future T&L products, like NV20 presumably). I could be wrong, though ... search DirectX list archives for confirmation (I think Richard Huddy from nVidia mentioned the fix). Mark |