RE: [Algorithms] VB vs primitives (was Polygon clipping)

[Tony C. <to...@mi...>]

>Can anybody explain me, why rendering untransformed, unlit, single-textured
>stripes from a huge optimized wr-only vertex buffer is about 50% slower
versus
>rendering them from a huge primitive? Is it something related to the
software
>T&L? We are using ATI Fury 128, DirectX 7 and DrawIndexedPrimitiveVB vs.
>DrawIndexedPrimitive. The vertex percent of total vertices per D3D call is
>about 0.5%. Any idea?

Most definitely OT. Repost on the DirectXDev list and I'll try to help you
out.

Tony Cox - DirectX Luminary
Windows Gaming Developer Relations Group
http://msdn.microsoft.com/directx