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)