host/vulkan/emulated_textures/shaders/AstcUnquantMap.comp

// Copyright 2022 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// For implementation details, please refer to:
// https://www.khronos.org/registry/OpenGL/extensions/KHR/KHR_texture_compression_astc_hdr.txt

// Please refer to this document for operator precendence (slightly different from C):
// https://www.khronos.org/registry/OpenGL/specs/gl/GLSLangSpec.4.60.html#operators

const uint kUnquantTritWeightMapBitIdx[4] = {
    0,
    3,
    9,
    21,
};

const uint kUnquantTritWeightMap[45] = {
    0, 32, 63, 0,  63, 12, 51, 25, 38, 0,  63, 17, 46, 5,  58, 23, 40, 11, 52, 28, 35, 0,  63,
    8, 55, 16, 47, 24, 39, 2,  61, 11, 52, 19, 44, 27, 36, 5,  58, 13, 50, 22, 41, 30, 33,
};

const uint kUnquantQuintWeightMapBitIdx[3] = {
    0,
    5,
    15,
};

const uint kUnquantQuintWeightMap[35] = {
    0,  16, 32, 47, 63, 0, 63, 7,  56, 14, 49, 21, 42, 28, 35, 0,  63, 16,
    47, 3,  60, 19, 44, 6, 57, 23, 40, 9,  54, 26, 37, 13, 50, 29, 34,
};

const uint kUnquantTritColorMapBitIdx[7] = {
    0, 3, 9, 21, 45, 93, 189,
};

const uint kUnquantTritColorMap[381] = {
    0,   0,   0,   0,   255, 51,  204, 102, 153, 0,   255, 69,  186, 23,  232, 92,  163, 46,  209,
    116, 139, 0,   255, 33,  222, 66,  189, 99,  156, 11,  244, 44,  211, 77,  178, 110, 145, 22,
    233, 55,  200, 88,  167, 121, 134, 0,   255, 16,  239, 32,  223, 48,  207, 65,  190, 81,  174,
    97,  158, 113, 142, 5,   250, 21,  234, 38,  217, 54,  201, 70,  185, 86,  169, 103, 152, 119,
    136, 11,  244, 27,  228, 43,  212, 59,  196, 76,  179, 92,  163, 108, 147, 124, 131, 0,   255,
    8,   247, 16,  239, 24,  231, 32,  223, 40,  215, 48,  207, 56,  199, 64,  191, 72,  183, 80,
    175, 88,  167, 96,  159, 104, 151, 112, 143, 120, 135, 2,   253, 10,  245, 18,  237, 26,  229,
    35,  220, 43,  212, 51,  204, 59,  196, 67,  188, 75,  180, 83,  172, 91,  164, 99,  156, 107,
    148, 115, 140, 123, 132, 5,   250, 13,  242, 21,  234, 29,  226, 37,  218, 45,  210, 53,  202,
    61,  194, 70,  185, 78,  177, 86,  169, 94,  161, 102, 153, 110, 145, 118, 137, 126, 129, 0,
    255, 4,   251, 8,   247, 12,  243, 16,  239, 20,  235, 24,  231, 28,  227, 32,  223, 36,  219,
    40,  215, 44,  211, 48,  207, 52,  203, 56,  199, 60,  195, 64,  191, 68,  187, 72,  183, 76,
    179, 80,  175, 84,  171, 88,  167, 92,  163, 96,  159, 100, 155, 104, 151, 108, 147, 112, 143,
    116, 139, 120, 135, 124, 131, 1,   254, 5,   250, 9,   246, 13,  242, 17,  238, 21,  234, 25,
    230, 29,  226, 33,  222, 37,  218, 41,  214, 45,  210, 49,  206, 53,  202, 57,  198, 61,  194,
    65,  190, 69,  186, 73,  182, 77,  178, 81,  174, 85,  170, 89,  166, 93,  162, 97,  158, 101,
    154, 105, 150, 109, 146, 113, 142, 117, 138, 121, 134, 125, 130, 2,   253, 6,   249, 10,  245,
    14,  241, 18,  237, 22,  233, 26,  229, 30,  225, 34,  221, 38,  217, 42,  213, 46,  209, 50,
    205, 54,  201, 58,  197, 62,  193, 66,  189, 70,  185, 74,  181, 78,  177, 82,  173, 86,  169,
    90,  165, 94,  161, 98,  157, 102, 153, 106, 149, 110, 145, 114, 141, 118, 137, 122, 133, 126,
    129,
};

const uint kUnquantQuintColorMapBitIdx[6] = {
    0, 5, 15, 35, 75, 155,
};

const uint kUnquantQuintColorMap[315] = {
    0,   0,   0,   0,   0,   0,   255, 28,  227, 56,  199, 84,  171, 113, 142, 0,   255, 67,  188,
    13,  242, 80,  175, 27,  228, 94,  161, 40,  215, 107, 148, 54,  201, 121, 134, 0,   255, 32,
    223, 65,  190, 97,  158, 6,   249, 39,  216, 71,  184, 104, 151, 13,  242, 45,  210, 78,  177,
    110, 145, 19,  236, 52,  203, 84,  171, 117, 138, 26,  229, 58,  197, 91,  164, 123, 132, 0,
    255, 16,  239, 32,  223, 48,  207, 64,  191, 80,  175, 96,  159, 112, 143, 3,   252, 19,  236,
    35,  220, 51,  204, 67,  188, 83,  172, 100, 155, 116, 139, 6,   249, 22,  233, 38,  217, 54,
    201, 71,  184, 87,  168, 103, 152, 119, 136, 9,   246, 25,  230, 42,  213, 58,  197, 74,  181,
    90,  165, 106, 149, 122, 133, 13,  242, 29,  226, 45,  210, 61,  194, 77,  178, 93,  162, 109,
    146, 125, 130, 0,   255, 8,   247, 16,  239, 24,  231, 32,  223, 40,  215, 48,  207, 56,  199,
    64,  191, 72,  183, 80,  175, 88,  167, 96,  159, 104, 151, 112, 143, 120, 135, 1,   254, 9,
    246, 17,  238, 25,  230, 33,  222, 41,  214, 49,  206, 57,  198, 65,  190, 73,  182, 81,  174,
    89,  166, 97,  158, 105, 150, 113, 142, 121, 134, 3,   252, 11,  244, 19,  236, 27,  228, 35,
    220, 43,  212, 51,  204, 59,  196, 67,  188, 75,  180, 83,  172, 91,  164, 99,  156, 107, 148,
    115, 140, 123, 132, 4,   251, 12,  243, 20,  235, 28,  227, 36,  219, 44,  211, 52,  203, 60,
    195, 68,  187, 76,  179, 84,  171, 92,  163, 100, 155, 108, 147, 116, 139, 124, 131, 6,   249,
    14,  241, 22,  233, 30,  225, 38,  217, 46,  209, 54,  201, 62,  193, 70,  185, 78,  177, 86,
    169, 94,  161, 102, 153, 110, 145, 118, 137, 126, 129,
};