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 32x32 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 32x32 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.