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GLGETPOLYGONSTIPPLE() |
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GLGETPOLYGONSTIPPLE() |
glGetPolygonStipple - return the polygon stipple pattern
void glGetPolygonStipple( GLubyte *mask )
- mask
- Returns the stipple pattern. The initial value is all 1's.
glGetPolygonStipple returns to mask a
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
color index buffer. Unlike glReadPixels, however, pixel transfer
operations (shift, offset, pixel map) are not applied to the returned stipple
image.
If an error is generated, no change is made to the contents of mask.
GL_INVALID_OPERATION is generated if glGetPolygonStipple is
executed between the execution of glBegin and the corresponding
execution of glEnd.
glPixelStore, glPixelTransfer, glPolygonStipple,
glReadPixels
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