On Wed, Jan 14, 2009 at 10:40 AM, Mathias Heyer <[email protected]> wrote: > Without an affinity-DC, you can't create a window-less FBO. But you can > create an invisible window (using a memory-undemanding pixel format), create > a render context for it and then use that RC to create a FBO which you will > then render into.
Thanks for the info. That was my backup plan, and the glxWindow uses the same approach. > Affinity DCs allow you to create a window-less render context, too. > This is what the specs say: > > " An affinity-DC has no window associated with it, and therefore it > has no default window-system-provided framebuffer. (Note: This is > terminology borrowed from EXT_framebuffer_object). A context made > current to an affinity-DC will only be able to render into an > application-created framebuffer object, or a pBuffer. The default > window-system-framebuffer object, when bound, will be incomplete. > The EXT_framebuffer_object specification defines what 'incomplete' > means exactly. " Well, at least glDrawBuffer generates, unsurprisingly, an error in this case. ;) The current svn version works again for windows and PBuffers. WGL FBO's don't work yet. Cheers, Stefan. _______________________________________________ eq-dev mailing list [email protected] http://www.equalizergraphics.com/cgi-bin/mailman/listinfo/eq-dev http://www.equalizergraphics.com
