SDL_Texture* SDL_CreateTextureFromSurface(SDL_Renderer* renderer,
                                          SDL_Surface*  surface)

Uint32 rmask, gmask, bmask, amask;

/* SDL traktuje każdy piksel jako liczbę 32-bitową, więc nasze maski muszą zależeć
       od uporządkowania bajtów na danej platformie */
#if SDL_BYTEORDER == SDL_BIG_ENDIAN
    rmask = 0xff000000;
    gmask = 0x00ff0000;
    bmask = 0x0000ff00;
    amask = 0x000000ff;
#else
    rmask = 0x000000ff;
    gmask = 0x0000ff00;
    bmask = 0x00ff0000;
    amask = 0xff000000;
#endif

SDL_Surface *surface = SDL_CreateRGBSurface(0, 640, 480, 32, rmask, gmask, bmask, amask);

if (surface == NULL)
{
    fprintf(stderr, "CreateRGBSurface failed: %s\n", SDL_GetError());
    exit(1);
}


SDL_Texture *texture = SDL_CreateTextureFromSurface(renderer, surface);

if (texture == NULL)
{
    fprintf(stderr, "CreateTextureFromSurface failed: %s\n", SDL_GetError());
    exit(1);
}

SDL_FreeSurface(surface);
surface = NULL;