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GLEDGEFLAGPOINTER(3gl)					GLEDGEFLAGPOINTER(3gl)

NAME
       glEdgeFlagPointer - define an array of edge flags

C SPECIFICATION
       void glEdgeFlagPointer( GLsizei stride,
			       const GLvoid *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.

       pointer	Specifies a pointer to the first edge flag in the array.

DESCRIPTION
       glEdgeFlagPointer 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 vertexes and attributes
       to be packed into a single array or stored in separate  arrays.	 (Sin‐
       gle-array  storage  may	be more efficient on some implementations; see
       glInterleavedArrays.)

       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 glEnableClientState and
       glDisableClientState  with the argument GL_EDGE_FLAG_ARRAY. If enabled,
       the edge flag array is used when glDrawArrays, glDrawElements, or glAr‐
       rayElement is called.

       Use glDrawArrays to construct a sequence of primitives (all of the same
       type) from prespecified vertex and vertex attribute arrays.  Use	 glAr‐
       rayElement  to  specify	primitives  by	indexing  vertexes  and vertex
       attributes and glDrawElements to construct a sequence of primitives  by
       indexing vertexes and vertex attributes.

NOTES
       glEdgeFlagPointer  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
       glArrayElement, glDrawElements or glDrawArrays is called.

       Execution of glEdgeFlagPointer is not allowed between the execution  of
       glBegin	and  the corresponding execution of glEnd, but an error may or
       may not be generated. If no error is generated, the operation is	 unde‐
       fined.

       glEdgeFlagPointer is typically implemented on the client side.

       Edge  flag array parameters are client-side state and are therefore not
       saved or restored by glPushAttrib and glPopAttrib.  Use glPushClientAt‐
       trib and
       glPopClientAttrib instead.

ERRORS
       GL_INVALID_ENUM is generated if stride is negative.

ASSOCIATED GETS
       glIsEnabled with argument GL_EDGE_FLAG_ARRAY
       glGet with argument GL_EDGE_FLAG_ARRAY_STRIDE
       glGetPointerv with argument GL_EDGE_FLAG_ARRAY_POINTER

SEE ALSO
       glArrayElement, glColorPointer, glDrawArrays, glDrawElements, glEnable,
       glGetPointerv, glIndexPointer, glNormalPointer, glPopClientAttrib,
       glPushClientAttrib, glTexCoordPointer, glVertexPointer

				   15 Mar 97		GLEDGEFLAGPOINTER(3gl)

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