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CHANGES for GLUT API version 2
-------------------------------
GLUT API version 2 should be fully compatible with the GLUT API
version 1.
Here are the GLUT API version 2 additions in more detail:
GLUT_MULTISAMPLE - a display mode bit mask for requesting
multi-sampling (hw anti-aliasing) available for Reality Engine
class graphics hardware (IRIX 5.3 has multi-sampling GLX
extension).
GLUT_STEREO - a display mode bit mask for requesting
a stereo (quad buffering) OpenGL visual.
glutGet(GLUT_WINDOW_NUM_SAMPLES) - returns number of
samples for multisampling for the window.
glutGet(GLUT_WINDOW_STEREO) - boolean for it window supports
stereo.
glutGet(GLUT_ELAPSED_TIME) - an OS-portable way to
get the elapsed time in milliseconds since glutInit
glutDeviceGet(GLUT_HAS_KEYBOARD) - if keyboard supported.
glutDeviceGet(GLUT_HAS_MOUSE) - if mouse supported.
glutDeviceGet(GLUT_HAS_SPACEBALL) - if spaceball supported.
glutDeviceGet(GLUT_HAS_DIAL_AND_BUTTON_BOX) - if dial and
button box supported.
glutDeviceGet(GLUT_HAS_TABLET) - if tablet supported.
glutDeviceGet(GLUT_NUM_MOUSE_BUTTONS) - number of mouse
buttons supported.
glutDeviceGet(GLUT_NUM_SPACEBALL_BUTTONS) - number of
spaceball buttons supported.
glutDeviceGet(GLUT_NUM_BUTTON_BOX_BUTTONS) - number of
button box buttons supported.
glutDeviceGet(GLUT_NUM_DIALS) - number of dials supported.
glutDeviceGet(GLUT_NUM_TABLET_BUTTONS) - number of table
buttons supported.
glutSpecialFunc - register callback for keyboard function
and directional keys.
glutSpaceballMotionFunc - register callback for spaceball
motion.
glutSpaceballRotateFunc - register callback for spaceball
rotations.
glutSpaceballButtonFunc - register callback for spaceball
button events.
glutButtonBoxFunc - register callback for button box button
events.
glutDialsFunc - register callback for dial motion.
glutTabletMotionFunc - register callback for tablet motion.
glutTabletButtonFunc - register callback for tablet button
events.
glutExtensionSupported - report if a given OpenGL extension
is supported.
Also there are a handful of minor bug fixes (of course).
The stereo and multisampling stuff is probably (for now) interesting
mainly to Reality Engine graphics users. The new device support uses
the X Input extension. It works with SGI versions of the devices. I'm
investigating how portable the current code is for other vendor's
advertising of their similar X Input devices.
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