GL_ARB_multi_draw_indirect
http://www.opengl.org/registry/specs/ARB/multi_draw_indirect.txt
GL_ARB_multi_draw_indirect

	void glMultiDrawArraysIndirect (GLenum mode, const void *indirect, GLsizei primcount, GLsizei stride)
	void glMultiDrawElementsIndirect (GLenum mode, GLenum type, const void *indirect, GLsizei primcount, GLsizei stride)
