GL_ATI_element_array
http://oss.sgi.com/projects/ogl-sample/registry/ATI/element_array.txt
	GL_ELEMENT_ARRAY_ATI 0x8768
	GL_ELEMENT_ARRAY_TYPE_ATI 0x8769
	GL_ELEMENT_ARRAY_POINTER_ATI 0x876A
	void glDrawElementArrayATI (GLenum mode, GLsizei count)
	void glDrawRangeElementArrayATI (GLenum mode, GLuint start, GLuint end, GLsizei count)
	void glElementPointerATI (GLenum type, const void* pointer)