glutinitdisplaymode(3glut) [suse man page]

glutInitDisplayMode(3GLUT)					       GLUT						glutInitDisplayMode(3GLUT)

NAME

       glutInitDisplayMode - sets the initial display mode.

SYNTAX

       void glutInitDisplayMode(unsigned int mode);

ARGUMENTS

       mode	 Display mode, normally the bitwise {m OR}-ing of GLUT display mode bit masks.  See values below:

       GLUT_RGBA
	       Bit mask to select an RGBA mode window. This is the default if neither GLUT_RGBA nor GLUT_INDEX are specified.

       GLUT_RGB
	       An alias for GLUT_RGBA.

       GLUT_INDEX
	       Bit mask to select a color index mode window. This overrides GLUT_RGBA if it is also specified.

       GLUT_SINGLE
	       Bit mask to select a single buffered window. This is the default if neither GLUT_DOUBLE or GLUT_SINGLE are specified.

       GLUT_DOUBLE
	       Bit mask to select a double buffered window. This overrides GLUT_SINGLE if it is also specified.

       GLUT_ACCUM
	       Bit mask to select a window with an accumulation buffer.

       GLUT_ALPHA
	       Bit mask to select a window with an alpha component to the color buffer(s).

       GLUT_DEPTH
	       Bit mask to select a window with a depth buffer.

       GLUT_STENCIL
	       Bit mask to select a window with a stencil buffer.

       GLUT_MULTISAMPLE
	       Bit mask to select a window with multisampling support. If multisampling is not available, a non-multisampling window will automat-
	       ically be chosen. Note: both the OpenGL client-side and server-side implementations must support the GLX_SAMPLE_SGIS extension  for
	       multisampling to be available.

       GLUT_STEREO
	       Bit mask to select a stereo window.

       GLUT_LUMINANCE
	       Bit  mask to select a window with a ``luminance'' color model.  This model provides the functionality of OpenGL's RGBA color model,
	       but the green and blue components are not maintained in the frame buffer. Instead each pixel's red component  is  converted  to	an
	       index  between zero and glutGet(GLUT_WINDOW_COLORMAP_SIZE)-1 and looked up in a per-window color map to determine the color of pix-
	       els within the window. The initial colormap of GLUT_LUMINANCE windows is initialized to be a linear gray ramp, but can be  modified
	       with GLUT's colormap routines.

DESCRIPTION

       The initial display mode is used when creating top-level windows, subwindows, and overlays to determine the OpenGL display mode for the to-
       be-created window or overlay.

       Note that GLUT_RGBA selects the RGBA color model, but it does not request any bits of alpha (sometimes called an alpha buffer  or  destina-
       tion alpha) be allocated. To request alpha, specify GLUT_ALPHA. The same applies to GLUT_LUMINANCE.

       The glutInitDisplayString routine provides a more powerful way to select frame buffer capabilities for GLUT windows.

GLUT_LUMINANCE IMPLEMENTATION NOTES
       GLUT_LUMINANCE is not supported on most OpenGL platforms.

SEE ALSO

       glutInit, glutCreateWindow, glutInitDisplayString

AUTHOR

       Mark J. Kilgard (mjk@nvidia.com)

GLUT
									3.7						glutInitDisplayMode(3GLUT)

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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)

								       Epoch

Linux and UNIX Man Pages

glutinitdisplaymode(3glut) [suse man page]

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