GLGETPOLYGONSTIPPLE(3G)GLGETPOLYGONSTIPPLE(3G)NAME
glGetPolygonStipple - return the polygon stipple pattern
C SPECIFICATION
void glGetPolygonStipple( GLubyte *mask )
PARAMETERS
mask Returns the stipple pattern. The initial value is all 1's.
DESCRIPTION
glGetPolygonStipple returns to mask a 32 * 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
* 32 color index buffer. Unlike glReadPixels, however, pixel transfer operations (shift, offset, pixel map) are not applied to the
returned stipple image.
NOTES
If an error is generated, no change is made to the contents of mask.
ERRORS
GL_INVALID_OPERATION is generated if glGetPolygonStipple is executed between the execution of glBegin and the corresponding execution of
glEnd.
SEE ALSO
glPixelStore, glPixelTransfer, glPolygonStipple, glReadPixels
GLGETPOLYGONSTIPPLE(3G)
Check Out this Related Man Page
GLGETPOLYGONSTIPPLE(3G) OpenGL Manual GLGETPOLYGONSTIPPLE(3G)NAME
glGetPolygonStipple - return the polygon stipple pattern
C SPECIFICATION
void glGetPolygonStipple(GLubyte * pattern);
PARAMETERS
pattern
Returns the stipple pattern. The initial value is all 1's.
DESCRIPTION
glGetPolygonStipple returns to pattern 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.
If a non-zero named buffer object is bound to the GL_PIXEL_PACK_BUFFER target (see glBindBuffer()) while a polygon stipple pattern is
requested, pattern is treated as a byte offset into the buffer object's data store.
NOTES
If an error is generated, no change is made to the contents of pattern.
ERRORS
GL_INVALID_OPERATION is generated if a non-zero buffer object name is bound to the GL_PIXEL_PACK_BUFFER target and the buffer object's data
store is currently mapped.
GL_INVALID_OPERATION is generated if a non-zero buffer object name is bound to the GL_PIXEL_PACK_BUFFER target and the data would be packed
to the buffer object such that the memory writes required would exceed the data store size.
GL_INVALID_OPERATION is generated if glGetPolygonStipple is executed between the execution of glBegin() and the corresponding execution of
glEnd().
ASSOCIATED GETS
glGet() with argument GL_PIXEL_PACK_BUFFER_BINDING
SEE ALSO
glPixelStore(), glPixelTransfer(), glPolygonStipple(), glReadPixels()
COPYRIGHT
Copyright (C) 1991-2006 Silicon Graphics, Inc. This document is licensed under the SGI Free Software B License. For details, see
http://oss.sgi.com/projects/FreeB/.
AUTHORS
opengl.org
opengl.org 06/10/2014 GLGETPOLYGONSTIPPLE(3G)
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