On Tue, 2008-09-09 at 18:41 +0200, Michel Dänzer wrote: > On Tue, 2008-09-09 at 08:46 -0700, Keith Packard wrote: > > On Tue, 2008-09-09 at 13:27 +0200, Michel Dänzer wrote: > > > I do wonder if DRI2GetBuffers should return the drawable position > > > relative to the origin of each buffer... guess it isn't strictly > > > necessary except maybe for the real frontbuffer. > > > > One of the requirements in DRI2 is that the 'real' front buffer be > > invisible to applications; there's no way the application can sensibly > > use those contents. Moreover, the drawable position may change without > > any warning due to window configuration. > > GLX_EXT_texture_from_pixmap needs the real front buffer.
It does? Texturing from a raw window isn't legal. And if you texture from a pixmap named with NameWindowPixmap, you get the offscreen storage, not the composited result in the root window's pixmap. (In particular, NameWindowPixmap doesn't work on non-redirected windows.) - ajax
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