To drift sorta OT, I've never seen GL Edge Flag stuff implemented with QC patches and wireframe/line stuff... is there any particular reason for that (besides obscurity?) Is there anything crappy about using that, that I may not be aware of? I kind of like the visual result.
On Tue, Feb 22, 2011 at 4:38 PM, George Toledo <gtole...@gmail.com> wrote: > Ok, that makes perfect sense. Thanks to both of you for explaining that. > > > On Tue, Feb 22, 2011 at 4:32 PM, Christopher Wright < > christopher_wri...@apple.com> wrote: > >> > Many 3D model formats specify culling per face (ie, per quad or >> triangle, although most loaders deal only with triangles). Thus, the face >> fulling is set, per face, and respected per face by the Mesh renderer, >> rather than being set globally for the whole model. >> > >> > On Feb 22, 2011, at 3:56 PM, George Toledo wrote: >> > >> >> What is this in OpenGL terms? How would one emulate it? >> >> >> And to answer the second part (how to emulate it) -- there's not a good >> way to do this. You'd have to reverse the polarity.. er, reverse the order >> of the vertices for triangles that faced the other direction. CL could >> plausibly reverse them, but it doesn't have information to know which >> direction culling was for that face. >> >> -- >> Christopher Wright >> christopher_wri...@apple.com >> >> >> >> > > > -- > George Toledo > gtole...@gmail.com > www.georgetoledo.com > > The information contained in this E-mail and any attachments may be > confidential. > If you have received this E-mail in error, please notify us immediately by > telephone or return E-mail. > You should not use or disclose the contents of this E-mail or any of the > attachments for any purpose or to any persons. > > -- George Toledo gtole...@gmail.com www.georgetoledo.com The information contained in this E-mail and any attachments may be confidential. If you have received this E-mail in error, please notify us immediately by telephone or return E-mail. You should not use or disclose the contents of this E-mail or any of the attachments for any purpose or to any persons.
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