156 #define MIR_BYTES_PER_PIXEL(f) ((f) == mir_pixel_format_bgr_888 ? 3 : \ 157 (f) == mir_pixel_format_rgb_888 ? 3 : \ 158 (f) == mir_pixel_format_rgb_565 ? 2 : \ 159 (f) == mir_pixel_format_rgba_5551 ? 2 : \ 160 (f) == mir_pixel_format_rgba_4444 ? 2 : \