GLX_EXT_texture_from_pixmap requires GLX 1.3 and only works with glXCreatePixmap. GLX_EXT_texture_from_pixmap existing should be all the test we need to know glXCreatePixmap is safe to use. If we did what you suggest compiz would not work at all on r300 and older ati cards.
GLX_EXT_ texture_ from_pixmap requires GLX 1.3 and only works with glXCreatePixmap. GLX_EXT_ texture_ from_pixmap existing should be all the test we need to know glXCreatePixmap is safe to use. If we did what you suggest compiz would not work at all on r300 and older ati cards.