fb_pixel_mask
first = fb_pixel_mask(dst->bits, reverse);
last = ~fb_pixel_mask(end & (BITS_PER_LONG-1), reverse);
first = fb_pixel_mask(dst->bits, reverse);
last = ~fb_pixel_mask(end & (BITS_PER_LONG-1), reverse);
first = fb_pixel_mask(dst->bits, reverse);
last = ~fb_pixel_mask(end & (BITS_PER_LONG-1), reverse);
first = fb_pixel_mask(dst->bits, reverse);
last = ~fb_pixel_mask(end & (BITS_PER_LONG-1), reverse);
first = fb_pixel_mask(dst->bits, pattern->reverse);
last = ~fb_pixel_mask(end & (BITS_PER_LONG-1), pattern->reverse);
first = fb_pixel_mask(dst->bits, pattern->reverse);
last = ~fb_pixel_mask(end & (BITS_PER_LONG-1), pattern->reverse);
mask = ~fb_pixel_mask(shift, reverse);