sacha@coco:~/git/compiz/src$ glxinfo | grep GLX_EXT_texture_from_pixmap
    GLX_ARB_multisample, GLX_EXT_import_context, GLX_EXT_texture_from_pixmap,
    GLX_SGIX_visual_select_group, GLX_EXT_texture_from_pixmap
sacha@coco:~/git/compiz/src$ glxinfo -i | grep GLX_EXT_texture_from_pixmap
    GLX_ARB_multisample, GLX_EXT_import_context, GLX_EXT_texture_from_pixmap,
    GLX_SGIX_visual_select_group, GLX_EXT_texture_from_pixmap
sacha@coco:~/git/compiz/src$ ./compiz --replace gconf
./compiz (core) - Warn: Unable to parse XML metadata from file "core.xml"
./compiz (core) - Fatal: GLX_EXT_texture_from_pixmap is missing
./compiz (core) - Error: Failed to manage screen: 0
./compiz (core) - Fatal: No manageable screens found on display :0.0