/* See LICENSE file for copyright and license details. */
#include "common.h"

#define GAMMA(TYPE, POW) (t <= (TYPE)0.04045f ? t / (TYPE)12.92f : POW((t + (TYPE)0.055f) / (TYPE)1.055f, (TYPE)2.4f))

static const uint8_t gamma_u8[] = {
	  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   1,   1,   1,   1,   1,
	  1,   1,   2,   2,   2,   2,   2,   2,   2,   2,   3,   3,   3,   3,   3,   3,
	  4,   4,   4,   4,   4,   5,   5,   5,   5,   6,   6,   6,   6,   7,   7,   7,
	  8,   8,   8,   8,   9,   9,   9,  10,  10,  10,  11,  11,  12,  12,  12,  13,
	 13,  13,  14,  14,  15,  15,  16,  16,  17,  17,  17,  18,  18,  19,  19,  20,
	 20,  21,  22,  22,  23,  23,  24,  24,  25,  25,  26,  27,  27,  28,  29,  29,
	 30,  30,  31,  32,  32,  33,  34,  35,  35,  36,  37,  37,  38,  39,  40,  41,
	 41,  42,  43,  44,  45,  45,  46,  47,  48,  49,  50,  51,  51,  52,  53,  54,
	 55,  56,  57,  58,  59,  60,  61,  62,  63,  64,  65,  66,  67,  68,  69,  70,
	 71,  72,  73,  74,  76,  77,  78,  79,  80,  81,  82,  84,  85,  86,  87,  88,
	 90,  91,  92,  93,  95,  96,  97,  99, 100, 101, 103, 104, 105, 107, 108, 109,
	111, 112, 114, 115, 116, 118, 119, 121, 122, 124, 125, 127, 128, 130, 131, 133,
	134, 136, 138, 139, 141, 142, 144, 146, 147, 149, 151, 152, 154, 156, 157, 159,
	161, 163, 164, 166, 168, 170, 171, 173, 175, 177, 179, 181, 183, 184, 186, 188,
	190, 192, 194, 196, 198, 200, 202, 204, 206, 208, 210, 212, 214, 216, 218, 220,
	222, 224, 226, 229, 231, 233, 235, 237, 239, 242, 244, 246, 248, 250, 253, 255
};

#define FUNCTION_NAME libskrift_srgb_preprocess

#include "srgb-gamma.h"