uint32_t BitReverse(uint32_t x)
{
    x = (((x & 0xAAAAAAAA) >> 1) | ((x & 0x55555555) << 1));
    x = (((x & 0xCCCCCCCC) >> 2) | ((x & 0x33333333) << 2));
    x = (((x & 0xF0F0F0F0) >> 4) | ((x & 0x0F0F0F0F) << 4));
    x = (((x & 0xFF00FF00) >> 8) | ((x & 0x00FF00FF) << 8));

    return ((x >> 16) | (x << 16));
}