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getgconfig(3G)							getgconfig(3G)

NAME
     getgconfig - gets the size of a buffer or a state in the current buffer
     configuration

C SPECIFICATION
     long getgconfig(long buffer)

PARAMETERS
     buffer   is a symbolic constant taken from the list below.	 It identifies
	      the buffer or state being queried.

     GC_BITS_CMODE  color index size. zero indicates RGB mode.

     GC_BITS_RED    red component size.

     GC_BITS_GREEN  green component size.

     GC_BITS_BLUE   blue component size.

     GC_BITS_ALPHA  alpha component size.

     GC_BITS_ZBUFFER
		    zbuffer size.

     GC_ZMIN	    minimum depth value that can be stored in the z-buffer.

     GC_ZMAX	    maximum depth value that can be stored in the z-buffer.

     GC_BITS_STENCIL
		    stencil size.

     GC_BITS_ACBUF  accumulation buffer size.

     GC_MS_SAMPLES  number of samples in the multisample buffer.

     GC_BITS_MS_ZBUFFER
		    multisample zbuffer size.

     GC_MS_ZMIN	    minimum depth value that can be stored in the multisample
		    z-buffer.

     GC_MS_ZMAX	    maximum depth value that can be stored in the multisample
		    z-buffer.

     GC_BITS_MS_STENCIL
		    multisample stencil size.

     GC_STEREO	    stereoscopic buffer state.

     GC_DOUBLE	    display double buffer state.

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getgconfig(3G)							getgconfig(3G)

DESCRIPTION
     getgconfig returns the size of a buffer or a state of some buffers in the
     current buffer configuration in the current drawmode.  GC_BITS_ZBUFFER,
     GC_BITS_ACBUF, and GC_BITS_MS_ZBUFFER will return a negative size if the
     buffer is signed.

SEE ALSO
     gconfig, drawmode

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