[Bug 2398] OpenGL is only used only on top level windows so child
windows get overdrawn
Wine Bugs
wine-bugs at winehq.org
Sun Apr 23 11:07:08 CDT 2006
http://bugs.winehq.org/show_bug.cgi?id=2398
------- Additional Comments From willie at froq.net 2006-23-04 11:07 -------
OpenGL can draw to either a X window, a GLX pixmap, or a Pbuffer. GLX pixmaps
and Pbuffers are offscreen. See "Course 24: OpenGL and Window System
Integration, Siggraph 1997":
http://www.mesa3d.org/brianp/sig97/glxport.htm#Pixmaps
And:
http://techpubs.sgi.com/library/tpl/cgi-bin/getdoc.cgi?coll=0650&db=man&fname=/usr/share/catman/g_man/cat3/OpenGL/glxcreatepbuffer.z
I have no idea if this helps, though. According to the linked article, direct
rendering is usually not available for GLX pixmaps (but the article is quite
old, so this might have changed). No idea about Pbuffers. It is possible to
copy the content of the pixmap anywhere you want, though, as far as I
understood the docs.
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