RE: [Algorithms] Yet another stencil shadow question
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From: Cem C. <CCe...@nv...> - 2002-12-19 21:33:32
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> (b) you're drawing stencil volumes, so 99% of the time you're > fillrate limited, not vertex limited. While I would agree with you that, in general, stencil shadow volumes are fill-bound, note that certain shadow volumes primitives will certainly be bound by something upstream of rasterization in the rendering pipeline (likely vertex, maybe setup). Namely, those that are back-face culled in the traditional render front faces / increment and render back faces / decrement technique (or the equivalent zfail version). So, adding triangles would not be "free", as opposed to a more purely fill-bound scenario. -Cem > -----Original Message----- > From: Tom Forsyth [mailto:to...@mu...] > Sent: Thursday, December 19, 2002 2:39 PM > To: gda...@li... > Subject: RE: [Algorithms] Yet another stencil shadow question > > > True, but: > > (a) you only need to introduce degenerates where the mesh is > coarse and/or sharp-edged. > > (b) you're drawing stencil volumes, so 99% of the time you're > fillrate limited, not vertex limited. > > > Tom Forsyth - Muckyfoot bloke and Microsoft MVP. > > This email is the product of your deranged imagination, > and does not in any way imply existence of the author. > |