GL_EXT_multi_draw_arrays
http://www.opengl.org/registry/specs/EXT/multi_draw_arrays.txt
GL_EXT_multi_draw_arrays
	void glMultiDrawArraysEXT (GLenum mode, const GLint* first, const GLsizei *count, GLsizei primcount)
	void glMultiDrawElementsEXT (GLenum mode, GLsizei* count, GLenum type, const GLvoid **indices, GLsizei primcount)
