#pragma once

#include <stdint.h>

static const uint8_t VGA_GRAY_LUT[256] = {
    16, 17, 23, 24, 20, 21, 23, 27, 22, 23, 28, 29, 25, 27, 30, 31, 16, 17, 18,
    19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 18, 19, 21, 22, 23, 23,
    23, 22, 22, 24, 26, 28, 30, 29, 28, 27, 26, 27, 27, 27, 28, 26, 23, 21, 26,
    26, 27, 27, 28, 28, 27, 27, 27, 28, 29, 30, 30, 30, 30, 29, 29, 29, 29, 29,
    30, 29, 28, 27, 28, 29, 29, 29, 29, 29, 29, 29, 29, 29, 30, 30, 31, 30, 30,
    30, 30, 30, 30, 30, 30, 30, 29, 29, 17, 17, 18, 18, 19, 19, 19, 18, 18, 19,
    21, 22, 23, 23, 22, 21, 21, 21, 21, 22, 22, 21, 19, 18, 20, 21, 21, 21, 22,
    22, 22, 21, 21, 22, 23, 23, 24, 23, 23, 23, 22, 23, 23, 23, 23, 22, 22, 21,
    22, 22, 22, 23, 23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 23, 23, 23, 23, 23,
    23, 23, 23, 23, 22, 16, 17, 17, 17, 18, 17, 17, 17, 17, 18, 18, 19, 20, 20,
    19, 19, 18, 19, 19, 19, 19, 18, 17, 17, 18, 18, 19, 19, 19, 19, 19, 19, 19,
    19, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 19, 19, 19, 19, 19, 19, 20,
    20, 20, 20, 20, 19, 20, 20, 20, 21, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
    19, 16, 16, 16, 16, 16, 16, 16, 16,
};

static inline uint8_t vga_to_gray(uint8_t color) { return VGA_GRAY_LUT[color]; }