Function writeU24

engine/Poseidon/Graphics/Textures/PAAEncoder.cpp:37–42

}

static void writeU24(FILE* f, uint32_t v)
{
    uint8_t buf[3] = {static_cast<uint8_t>(v & 0xFF), static_cast<uint8_t>((v >> 8) & 0xFF),
                      static_cast<uint8_t>((v >> 16) & 0xFF)};
    fwrite(buf, 3, 1, f);
}

// Generate mipmap levels from RGBA source using stb_image_resize2
static std::vector<Image> generateMipmaps(const Image& rgba, int maxLevels)