for (j = 0; j < count; j++) {
float *position = out->data[pos];
+#if 0
debug_printf("%d) io = %p, data = %p = [%f, %f, %f, %f]\n",
j, out, position, position[0], position[1], position[2], position[3]);
+#endif
out->clip[0] = position[0];
out->clip[1] = position[1];