> The wireframe mode is slower than the filled
> mode in OpenGL. Where the wireframe mode is faster than the filled in D3D.
> Working on a Geforce2 GTS 32
Actually the reason is quite simple, I believe. If you are just setting it to
draw wireframe instead of filled, and not actual calculating the wireframe
then, in OpenGL, its probably drawing every polygon as a wireframe (strips
may be treated diffrently). What you end up with is, if 2 polys share the
same edge, that line is drawn twice (one for each poly). I'm not to familiar
with D3D but they may have a way to drop this redraw but....
I have one question, are you drawing backfaces? Have you tried turning
backface culling on and off? This is not necesarily to do with what you are
asking, I am just curious about the edges of objects when you do this in the
D3D version.
Leyland Needham
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