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GLINDEXPOINTER(3G)		 OpenGL Manual		    GLINDEXPOINTER(3G)

NAME
       glIndexPointer - define an array of color indexes

C SPECIFICATION
       void glIndexPointer(GLenum type, GLsizei stride,
			   const GLvoid * pointer);

PARAMETERS
       type
	   Specifies the data type of each color index in the array. Symbolic
	   constants GL_UNSIGNED_BYTE, GL_SHORT, GL_INT, GL_FLOAT, and
	   GL_DOUBLE are accepted. The initial value is GL_FLOAT.

       stride
	   Specifies the byte offset between consecutive color indexes. If
	   stride is 0, the color indexes are understood to be tightly packed
	   in the array. The initial value is 0.

       pointer
	   Specifies a pointer to the first index in the array. The initial
	   value is 0.

DESCRIPTION
       glIndexPointer specifies the location and data format of an array of
       color indexes to use when rendering.  type specifies the data type of
       each color index and stride specifies the byte stride from one color
       index 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 a color index 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 color index vertex array client-side state
       (GL_INDEX_ARRAY_BUFFER_BINDING).

       When a color index array is specified, type, stride, and pointer are
       saved as client-side state, in addition to the current vertex array
       buffer object binding.

       To enable and disable the color index array, call glEnableClientState()
       and glDisableClientState() with the argument GL_INDEX_ARRAY. If
       enabled, the color index array is used when glDrawArrays(),
       glMultiDrawArrays(), glDrawElements(), glMultiDrawElements(),
       glDrawRangeElements(), or glArrayElement() is called.

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

       Color indexes are not supported for interleaved vertex array formats
       (see glInterleavedArrays()).

       The color index array is initially disabled and isn't accessed when
       glArrayElement(), glDrawElements(), glDrawRangeElements(),
       glDrawArrays(), glMultiDrawArrays(), or glMultiDrawElements() is
       called.

       Execution of glIndexPointer is not allowed between glBegin() and the
       corresponding glEnd(), but an error may or may not be generated. If an
       error is not generated, the operation is undefined.

       glIndexPointer is typically implemented on the client side.

       Color index 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 type is not an accepted value.

       GL_INVALID_VALUE is generated if stride is negative.

ASSOCIATED GETS
       glIsEnabled() with argument GL_INDEX_ARRAY

       glGet() with argument GL_INDEX_ARRAY_TYPE

       glGet() with argument GL_INDEX_ARRAY_STRIDE

       glGet() with argument GL_INDEX_ARRAY_BUFFER_BINDING

       glGet() with argument GL_ARRAY_BUFFER_BINDING

       glGetPointerv() with argument GL_INDEX_ARRAY_POINTER

SEE ALSO
       glArrayElement(), glBindBuffer(), glColorPointer(),
       glDisableClientState(), glDrawArrays(), glDrawElements(),
       glDrawRangeElements(), glEdgeFlagPointer(), glEnableClientState(),
       glFogCoordPointer(), glIndex(), 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		    GLINDEXPOINTER(3G)

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