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glGetPolygonStipple(3G)	       OpenGL Reference	       glGetPolygonStipple(3G)


NAME    [Toc]    [Back]

     glGetPolygonStipple - return the polygon stipple pattern

C SPECIFICATION    [Toc]    [Back]

     void glGetPolygonStipple( GLubyte *mask )

PARAMETERS    [Toc]    [Back]

     mask  Returns the stipple pattern.	The initial value is all 1's.

DESCRIPTION    [Toc]    [Back]

     glGetPolygonStipple returns to mask a 32 x	32 polygon stipple pattern.
     The pattern is packed into	memory as if glReadPixels with both height and
     width of 32, type of GL_BITMAP, and format	of GL_COLOR_INDEX were called,
     and the stipple pattern were stored in an internal	32 x 32	color index
     buffer.  Unlike glReadPixels, however, pixel transfer operations (shift,
     offset, pixel map)	are not	applied	to the returned	stipple	image.

NOTES    [Toc]    [Back]

     If	an error is generated, no change is made to the	contents of mask.

ERRORS    [Toc]    [Back]

     GL_INVALID_OPERATION is generated if glGetPolygonStipple is executed
     between the execution of glBegin and the corresponding execution of
     glEnd.

SEE ALSO    [Toc]    [Back]

      
      
     glPixelStore, glPixelTransfer, glPolygonStipple, glReadPixels


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