fglEdgeFlagPointer man page on IRIX

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fglEdgeFlagPointer(3G)	       OpenGL Reference		fglEdgeFlagPointer(3G)

NAME
     fglEdgeFlagPointer - define an array of edge flags

FORTRAN SPECIFICATION
     SUBROUTINE fglEdgeFlagPointer( INTEGER*4 stride,
				    CHARACTER*8 pointer )

PARAMETERS
     stride   Specifies the byte offset between consecutive edge flags.	 If
	      stride is 0 (the initial value), the edge flags are understood
	      to be tightly packed in the array. The initial value is 0.

     pointer  Specifies a pointer to the first edge flag in the array. The
	      initial value is zero.

DESCRIPTION
     fglEdgeFlagPointer specifies the location and data format of an array of
     boolean edge flags to use when rendering. stride specifies the byte
     stride from one edge flag to the next allowing vertices and attributes to
     be packed into a single array or stored in separate arrays.  (Single-
     array storage may be more efficient on some implementations; see
     fglInterleavedArrays.)

     When an edge flag array is specified, stride and pointer are saved as
     client-side state.

     To enable and disable the edge flag array, call fglEnableClientState and
     fglDisableClientState with the argument GL_EDGE_FLAG_ARRAY. If enabled,
     the edge flag array is used when fglDrawArrays, fglDrawElements, or
     fglArrayElement is called.

     Use fglDrawArrays to construct a sequence of primitives (all of the same
     type) from prespecified vertex and vertex attribute arrays.  Use
     fglArrayElement to specify primitives by indexing vertices and vertex
     attributes and fglDrawElements to construct a sequence of primitives by
     indexing vertices and vertex attributes.

NOTES
     fglEdgeFlagPointer is available only if the GL version is 1.1 or greater.

     The edge flag array is initially disabled and it won't be accessed when
     fglArrayElement, fglDrawElements or fglDrawArrays is called.

     Execution of fglEdgeFlagPointer is not allowed between the execution of
     fglBegin and the corresponding execution of fglEnd, but an error may or
     may not be generated. If no error is generated, the operation is
     undefined.

									Page 1

fglEdgeFlagPointer(3G)	       OpenGL Reference		fglEdgeFlagPointer(3G)

     fglEdgeFlagPointer is typically implemented on the client side.

     Edge flag array parameters are client-side state and are therefore not
     saved or restored by fglPushAttrib and fglPopAttrib.  Use
     fglPushClientAttrib and fglPopClientAttrib instead.

ERRORS
     GL_INVALID_ENUM is generated if stride is negative.

ASSOCIATED GETS
     fglIsEnabled with argument GL_EDGE_FLAG_ARRAY
     fglGet with argument GL_EDGE_FLAG_ARRAY_STRIDE
     fglGetPointerv with argument GL_EDGE_FLAG_ARRAY_POINTER

MACHINE DEPENDENCIES
     On RealityEngine, RealityEngine2, and VTX systems, do not enable or
     disable GL_VERTEX_ARRAY, GL_VERTEX_ARRAY_EXT, GL_NORMAL_ARRAY,
     GL_NORMAL_ARRAY_EXT, GL_COLOR_ARRAY, GL_COLOR_ARRAY_EXT,
     GL_INDEX_ARRAY,GL_INDEX_ARRAY_EXT, GL_TEXTURE_COORD_ARRAY,
     GL_TEXTURE_COORD_ARRAY_EXT, GL_EDGE_FLAG_ARRAY or GL_EDGE_FLAG_ARRAY_EXT
     between a call to fglNewList and the corresponding call to fglEndList.
     Instead, enable or disable before the call to fglNewList.

SEE ALSO
     fglArrayElement, fglColorPointer, fglDrawArrays, fglDrawElements,
     fglEnable, fglGetPointerv, fglIndexPointer, fglNormalPointer,
     fglPopClientAttrib, fglPushClientAttrib, fglTexCoordPointer,
     fglVertexPointer

									Page 2

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