glEdgeFlagPointer man page on Oracle

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GLEDGEFLAGPOINTER(3G)		 OpenGL Manual		 GLEDGEFLAGPOINTER(3G)

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 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 0.

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 vertices and attributes
       to be packed into a single array or stored in separate arrays.

       If a non-zero named buffer object is bound to the GL_ARRAY_BUFFER
       target (see glBindBuffer()) while an edge flag array is specified,
       pointer is treated as a byte offset into the buffer object's data
       store. Also, the buffer object binding (GL_ARRAY_BUFFER_BINDING) is
       saved as edge flag vertex array client-side state
       (GL_EDGE_FLAG_ARRAY_BUFFER_BINDING).

       When an edge flag array is specified, stride and pointer are saved as
       client-side state, in addition to the current vertex array buffer
       object binding.

       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(),
       glMultiDrawArrays(), glDrawElements(), glMultiDrawElements(),
       glDrawRangeElements(), or glArrayElement() is called.

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

       Edge flags are not supported for interleaved vertex array formats (see
       glInterleavedArrays()).

       The edge flag array is initially disabled and isn't accessed when
       glArrayElement(), glDrawElements(), glDrawRangeElements(),
       glDrawArrays(), glMultiDrawArrays(), or glMultiDrawElements() 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
       undefined.

       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
       glPushClientAttrib() 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

       glGet() with argument GL_EDGE_FLAG_ARRAY_BUFFER_BINDING

       glGet() with argument GL_ARRAY_BUFFER_BINDING

       glGetPointerv() with argument GL_EDGE_FLAG_ARRAY_POINTER

SEE ALSO
       glArrayElement(), glBindBuffer(), glColorPointer(),
       glDisableClientState(), glDrawArrays(), glDrawElements(),
       glDrawRangeElements(), glEdgeFlag(), glEnableClientState(),
       glFogCoordPointer(), glIndexPointer(), glInterleavedArrays(),
       glMultiDrawArrays(), glMultiDrawElements(), glNormalPointer(),
       glPopClientAttrib(), glPushClientAttrib(), glSecondaryColorPointer(),
       glTexCoordPointer(), glVertexAttribPointer(), glVertexPointer()

COPYRIGHT
       Copyright © 1991-2006 Silicon Graphics, Inc. This document is licensed
       under the SGI Free Software B License. For details, see
       http://oss.sgi.com/projects/FreeB/.

AUTHORS
       opengl.org

opengl.org			  04/29/2014		 GLEDGEFLAGPOINTER(3G)
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