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Man Pages


Manual Reference Pages  -  GLGETPOLYGONSTIPPLE (3)

NAME

glGetPolygonStipple - return the polygon stipple pattern

CONTENTS

C Specification
Parameters
Description
Notes
Errors
See Also

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 32times32 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 32times32 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
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GLGETPOLYGONSTIPPLE (-->)

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