Function NextPowerOfTwo

engine/render/src/render/font/fontmap.cpp:520–528

From Box2D

    // From Box2D
    inline uint32_t NextPowerOfTwo(uint32_t x)
    {
        x |= (x >> 1);
        x |= (x >> 2);
        x |= (x >> 4);
        x |= (x >> 8);
        x |= (x >> 16);
        return x + 1;
    }

    static bool GetNextCacheSize(HFontMap font_map, uint16_t* width, uint16_t* height)
    {