public DrawStream(int bufSize) {
mVertBuf = DrawUtil.alloc(bufSize);
// 12 is smallest possible vert size.
// 6/4 is the max ration between indices and verts (for drawing quads)
// 4 at the end is bytes per index.
mIndBuf = DrawUtil.alloc(bufSize / 12 * 6 / 4 * 4);
}
