[Mesa-dev] Correction about GL_SUN_slice_accum
brianp at vmware.com
Mon Sep 20 07:40:49 PDT 2010
On 09/19/2010 09:55 PM, randrianasulu at gmail.com wrote:
> It is not as old as I was thinking ....
> $Date: 02/03/13 15:15:35 $Revision: 1.3 $
> But extension itself talks about accumulation buffer(s), they supported
> currently in software in mesa, and many old consumer-level cards seems don't
> have them implemented in hardware, unfortunately including old (pre-nv30)
> Nvidia cards, as far as i know .....
> On nv30 and up accumulation buffer can be emulated, sort of. See , or 
> for 12-bit accumulation buffer. There was some interest in implementing
> accum. buffer in Mesa as metaop (?) or in mesa state tracker for Gallium
> drivers, but nothing come out, AFAIK. Sorry, can't find links right now
> http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.91.4497&rep=rep1&type=pdf - "The
> Accumulation Buffer: Hardware Support for High-Quality Rendering"
>  http://www.petewarden.com/notes/archives/2005/05/fragment_progra.html
> http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.14.9136&rep=rep1&type=pdf - "Complex
> Water Effects at Interactive Frame Rates"
Did you post an earlier message about this? Are you advocating that
we implement this extension? If so, why?
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