GL_ARB_multi_draw_indirect
http://www.opengl.org/registry/specs/gl/ARB/multi_draw_indirect.txt
GL_ARB_multi_draw_indirect
	void glMultiDrawArraysIndirect (GLenum mode, const GLvoid *indirect, GLsizei primcount, GLsizei stride)
	void glMultiDrawElementsIndirect (GLenum mode, GLenum type, const GLvoid *indirect, GLsizei primcount, GLsizei stride)
