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NAME

     glutInitDisplayMode -- Set the window creation display mode.

LIBRARY

     OpenGLUT - window

SYNOPSIS

     #include <openglut.h>

     void
     glutInitDisplayMode(unsigned int displayMode);

PARAMETERS

      displayMode     Requested display mode bitmask.

DESCRIPTION

     glutInitDisplayMode() allows you to control the mode for subsequent OpenGLUT windows.

     Allowable	displayMode  is a combination of:

      -  GLUT_RGB
     Red, green, blue framebuffer.

      -  GLUT_RGBA
     Red, green, blue, alpha framebuffer.

      -  GLUT_INDEX
     Indexed color framebuffer.

      -  GLUT_SINGLE
     Single-buffered mode.

      -  GLUT_DOUBLE
     Double-buffered mode.

      -  GLUT_ACCUM
     Accumulation buffer.

      -  GLUT_ALPHA
     Alpha channel.

      -  GLUT_DEPTH
     Depth buffering.

      -  GLUT_STENCIL
     Stencil buffering.

      -  GLUT_MULTISAMPLE
     Multisampling mode. (not always available)

      -  GLUT_STEREO
     Left and right framebuffers.

      -  GLUT_LUMINANCE
     Greyscale color mode.

     Additionally, the following  experimental	 features are implemented:

      -  GLUT_OFFSCREEN
     Offscreen windows are very much like onscreen windows that have been dragged off of the edge of the screen.  The biggest issue is that off-
     screen windows do not support subwindows.	Other than that, onscreen windows that are dragged off of the edge may not store graphics that you
     render (while  GLUT_OFFSCREEN  windows do), and there is no way to drag an offscreen window onscreen for user interaction.

      -  GLUT_BORDERLESS
     Borderless windows are very experimental, and their precise behavior is not set in stone.	See also glutCreateMenuWindow().

     The following are	defaults  :

      -  GLUT_RGB
      -  GLUT_SINGLE

CAVEATS

     Some display mode features were introduced by OpenGLUT.

     Not all features or combinations of features are valid for all platforms.

     There is no way to change the display mode of an open window.

BUGS

      GLUT_OFFSCREEN  windows do not work with nVidia cards/drivers.  (Both Win32 and X11)

      GLUT_BORDERLESS  seems to vary by the window manager on X11, though twm (for example) performs very similarly to WIN32. But KDE's window
     manager (for example) does not let you send keystrokes to borderless windows without OpenGLUT hacks.

SEE ALSO

     glutCreateMenuWindow(3) glutInit(3) glutInitWindowSize(3) glutInitWindowPosition(3) glutInitDisplayString(3) glutSwapBuffers(3)

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