mirror of
https://github.com/outbackdingo/UltraGrid.git
synced 2026-03-20 09:40:08 +00:00
Manually rewrite of DXT1 shader from Cg to GLSL
This commit is contained in:
Martin Srom
@@ -1,630 +1,185 @@
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#version 130
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#extension GL_EXT_gpu_shader4 : enable
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vec3 _TMP8;
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vec4 _TMP6;
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uniform sampler2D _image3;
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uniform vec2 imageSize;
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vec2 _texelSize0016;
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vec2 _texcoord0016;
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vec3 _col0016[16];
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vec2 _c0018;
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float _Y0020;
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float _U0020;
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float _V0020;
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float _R0020;
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float _G0020;
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float _B0020;
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vec3 _mincol0021;
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vec3 _maxcol0021;
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vec3 _center0026;
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vec3 _mincol0026;
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vec3 _maxcol0026;
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vec2 _cov0026;
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vec3 _t10026;
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vec3 _inset0027;
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vec3 _x0029;
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vec3 _TMP30;
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vec3 _x0037;
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vec3 _TMP38;
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int _TMP44;
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vec3 _maxcol0045;
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vec3 _mincol0045;
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vec3 _tmp10045;
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bool _TMP46;
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ivec3 _c0048;
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int _w0048;
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vec3 _TMP49;
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vec3 _a0050;
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vec3 _x0052;
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ivec3 _c0054;
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int _w0054;
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vec3 _TMP55;
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vec3 _a0056;
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vec3 _x0058;
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vec3 _c0060[4];
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int _indices0060;
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ivec4 _b10060;
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int _b410060;
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int _index10060;
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float _TMP65;
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vec3 _a0068;
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vec3 _b0068;
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float _TMP69;
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vec3 _a0072;
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vec3 _b0072;
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float _TMP73;
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vec3 _a0076;
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vec3 _b0076;
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float _TMP77;
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vec3 _a0080;
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vec3 _b0080;
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in vec4 TEX0;
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out ivec4 _colorInt;
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uniform int imageFormat;
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void main()
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#define lerp mix
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// Image formats
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const int FORMAT_RGB = 0;
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const int FORMAT_YUV = 1;
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// Covert YUV to RGB
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vec3 ConvertYUVToRGB(vec3 color)
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{
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vec3 _block2[16];
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ivec4 _output1;
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_texelSize0016 = 1.00000000E+00/imageSize;
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_texcoord0016 = TEX0.xy - _texelSize0016*2.00000000E+00;
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_TMP6 = texture(_image3, _texcoord0016);
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_col0016[0] = _TMP6.xyz;
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_c0018 = _texcoord0016 + vec2( 1.00000000E+00, 0.00000000E+00)*_texelSize0016;
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_TMP6 = texture(_image3, _c0018);
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_col0016[1] = _TMP6.xyz;
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_c0018 = _texcoord0016 + vec2( 2.00000000E+00, 0.00000000E+00)*_texelSize0016;
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_TMP6 = texture(_image3, _c0018);
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_col0016[2] = _TMP6.xyz;
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_c0018 = _texcoord0016 + vec2( 3.00000000E+00, 0.00000000E+00)*_texelSize0016;
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_TMP6 = texture(_image3, _c0018);
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_col0016[3] = _TMP6.xyz;
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_c0018 = _texcoord0016 + vec2( 0.00000000E+00, 1.00000000E+00)*_texelSize0016;
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_TMP6 = texture(_image3, _c0018);
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_col0016[4] = _TMP6.xyz;
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_c0018 = _texcoord0016 + _texelSize0016;
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_TMP6 = texture(_image3, _c0018);
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_col0016[5] = _TMP6.xyz;
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_c0018 = _texcoord0016 + vec2( 2.00000000E+00, 1.00000000E+00)*_texelSize0016;
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_TMP6 = texture(_image3, _c0018);
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_col0016[6] = _TMP6.xyz;
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_c0018 = _texcoord0016 + vec2( 3.00000000E+00, 1.00000000E+00)*_texelSize0016;
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_TMP6 = texture(_image3, _c0018);
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_col0016[7] = _TMP6.xyz;
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_c0018 = _texcoord0016 + vec2( 0.00000000E+00, 2.00000000E+00)*_texelSize0016;
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_TMP6 = texture(_image3, _c0018);
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_col0016[8] = _TMP6.xyz;
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_c0018 = _texcoord0016 + vec2( 1.00000000E+00, 2.00000000E+00)*_texelSize0016;
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_TMP6 = texture(_image3, _c0018);
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_col0016[9] = _TMP6.xyz;
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_c0018 = _texcoord0016 + vec2( 2.00000000E+00, 2.00000000E+00)*_texelSize0016;
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_TMP6 = texture(_image3, _c0018);
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_col0016[10] = _TMP6.xyz;
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_c0018 = _texcoord0016 + vec2( 3.00000000E+00, 2.00000000E+00)*_texelSize0016;
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_TMP6 = texture(_image3, _c0018);
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_col0016[11] = _TMP6.xyz;
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_c0018 = _texcoord0016 + vec2( 0.00000000E+00, 3.00000000E+00)*_texelSize0016;
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_TMP6 = texture(_image3, _c0018);
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_col0016[12] = _TMP6.xyz;
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_c0018 = _texcoord0016 + vec2( 1.00000000E+00, 3.00000000E+00)*_texelSize0016;
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_TMP6 = texture(_image3, _c0018);
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_col0016[13] = _TMP6.xyz;
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_c0018 = _texcoord0016 + vec2( 2.00000000E+00, 3.00000000E+00)*_texelSize0016;
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_TMP6 = texture(_image3, _c0018);
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_col0016[14] = _TMP6.xyz;
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_c0018 = _texcoord0016 + vec2( 3.00000000E+00, 3.00000000E+00)*_texelSize0016;
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_TMP6 = texture(_image3, _c0018);
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_block2[0] = _col0016[0];
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_block2[1] = _col0016[1];
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_block2[2] = _col0016[2];
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_block2[3] = _col0016[3];
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_block2[4] = _col0016[4];
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_block2[5] = _col0016[5];
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_block2[6] = _col0016[6];
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_block2[7] = _col0016[7];
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_block2[8] = _col0016[8];
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_block2[9] = _col0016[9];
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_block2[10] = _col0016[10];
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_block2[11] = _col0016[11];
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_block2[12] = _col0016[12];
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_block2[13] = _col0016[13];
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_block2[14] = _col0016[14];
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_block2[15] = _TMP6.xyz;
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if (imageFormat == 1) { // if begin
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_U0020 = _col0016[0].y - 5.00000000E-01;
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_V0020 = _col0016[0].z - 5.00000000E-01;
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_Y0020 = 1.16429996E+00*(_col0016[0].x - 6.25000000E-02);
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_R0020 = _Y0020 + 1.59580004E+00*_V0020;
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_G0020 = (_Y0020 - 3.91730011E-01*_U0020) - 8.12900007E-01*_V0020;
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_B0020 = _Y0020 + 2.01699996E+00*_U0020;
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_block2[0] = vec3(_R0020, _G0020, _B0020);
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_U0020 = _col0016[1].y - 5.00000000E-01;
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_V0020 = _col0016[1].z - 5.00000000E-01;
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_Y0020 = 1.16429996E+00*(_col0016[1].x - 6.25000000E-02);
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_R0020 = _Y0020 + 1.59580004E+00*_V0020;
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_G0020 = (_Y0020 - 3.91730011E-01*_U0020) - 8.12900007E-01*_V0020;
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_B0020 = _Y0020 + 2.01699996E+00*_U0020;
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_block2[1] = vec3(_R0020, _G0020, _B0020);
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_U0020 = _col0016[2].y - 5.00000000E-01;
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_V0020 = _col0016[2].z - 5.00000000E-01;
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_Y0020 = 1.16429996E+00*(_col0016[2].x - 6.25000000E-02);
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_R0020 = _Y0020 + 1.59580004E+00*_V0020;
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_G0020 = (_Y0020 - 3.91730011E-01*_U0020) - 8.12900007E-01*_V0020;
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_B0020 = _Y0020 + 2.01699996E+00*_U0020;
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_block2[2] = vec3(_R0020, _G0020, _B0020);
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_U0020 = _col0016[3].y - 5.00000000E-01;
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_V0020 = _col0016[3].z - 5.00000000E-01;
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_Y0020 = 1.16429996E+00*(_col0016[3].x - 6.25000000E-02);
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_R0020 = _Y0020 + 1.59580004E+00*_V0020;
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_G0020 = (_Y0020 - 3.91730011E-01*_U0020) - 8.12900007E-01*_V0020;
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_B0020 = _Y0020 + 2.01699996E+00*_U0020;
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_block2[3] = vec3(_R0020, _G0020, _B0020);
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_U0020 = _col0016[4].y - 5.00000000E-01;
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_V0020 = _col0016[4].z - 5.00000000E-01;
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_Y0020 = 1.16429996E+00*(_col0016[4].x - 6.25000000E-02);
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_R0020 = _Y0020 + 1.59580004E+00*_V0020;
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_G0020 = (_Y0020 - 3.91730011E-01*_U0020) - 8.12900007E-01*_V0020;
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_B0020 = _Y0020 + 2.01699996E+00*_U0020;
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_block2[4] = vec3(_R0020, _G0020, _B0020);
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_U0020 = _col0016[5].y - 5.00000000E-01;
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_V0020 = _col0016[5].z - 5.00000000E-01;
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_Y0020 = 1.16429996E+00*(_col0016[5].x - 6.25000000E-02);
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_R0020 = _Y0020 + 1.59580004E+00*_V0020;
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_G0020 = (_Y0020 - 3.91730011E-01*_U0020) - 8.12900007E-01*_V0020;
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_B0020 = _Y0020 + 2.01699996E+00*_U0020;
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_block2[5] = vec3(_R0020, _G0020, _B0020);
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_U0020 = _col0016[6].y - 5.00000000E-01;
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_V0020 = _col0016[6].z - 5.00000000E-01;
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_Y0020 = 1.16429996E+00*(_col0016[6].x - 6.25000000E-02);
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_R0020 = _Y0020 + 1.59580004E+00*_V0020;
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_G0020 = (_Y0020 - 3.91730011E-01*_U0020) - 8.12900007E-01*_V0020;
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_B0020 = _Y0020 + 2.01699996E+00*_U0020;
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_block2[6] = vec3(_R0020, _G0020, _B0020);
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_U0020 = _col0016[7].y - 5.00000000E-01;
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_V0020 = _col0016[7].z - 5.00000000E-01;
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_Y0020 = 1.16429996E+00*(_col0016[7].x - 6.25000000E-02);
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_R0020 = _Y0020 + 1.59580004E+00*_V0020;
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_G0020 = (_Y0020 - 3.91730011E-01*_U0020) - 8.12900007E-01*_V0020;
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_B0020 = _Y0020 + 2.01699996E+00*_U0020;
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_block2[7] = vec3(_R0020, _G0020, _B0020);
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_U0020 = _col0016[8].y - 5.00000000E-01;
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_V0020 = _col0016[8].z - 5.00000000E-01;
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_Y0020 = 1.16429996E+00*(_col0016[8].x - 6.25000000E-02);
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_R0020 = _Y0020 + 1.59580004E+00*_V0020;
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_G0020 = (_Y0020 - 3.91730011E-01*_U0020) - 8.12900007E-01*_V0020;
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_B0020 = _Y0020 + 2.01699996E+00*_U0020;
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_block2[8] = vec3(_R0020, _G0020, _B0020);
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_U0020 = _col0016[9].y - 5.00000000E-01;
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_V0020 = _col0016[9].z - 5.00000000E-01;
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_Y0020 = 1.16429996E+00*(_col0016[9].x - 6.25000000E-02);
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_R0020 = _Y0020 + 1.59580004E+00*_V0020;
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_G0020 = (_Y0020 - 3.91730011E-01*_U0020) - 8.12900007E-01*_V0020;
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_B0020 = _Y0020 + 2.01699996E+00*_U0020;
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_block2[9] = vec3(_R0020, _G0020, _B0020);
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_U0020 = _col0016[10].y - 5.00000000E-01;
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_V0020 = _col0016[10].z - 5.00000000E-01;
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_Y0020 = 1.16429996E+00*(_col0016[10].x - 6.25000000E-02);
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_R0020 = _Y0020 + 1.59580004E+00*_V0020;
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_G0020 = (_Y0020 - 3.91730011E-01*_U0020) - 8.12900007E-01*_V0020;
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_B0020 = _Y0020 + 2.01699996E+00*_U0020;
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_block2[10] = vec3(_R0020, _G0020, _B0020);
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_U0020 = _col0016[11].y - 5.00000000E-01;
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_V0020 = _col0016[11].z - 5.00000000E-01;
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_Y0020 = 1.16429996E+00*(_col0016[11].x - 6.25000000E-02);
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_R0020 = _Y0020 + 1.59580004E+00*_V0020;
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_G0020 = (_Y0020 - 3.91730011E-01*_U0020) - 8.12900007E-01*_V0020;
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_B0020 = _Y0020 + 2.01699996E+00*_U0020;
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_block2[11] = vec3(_R0020, _G0020, _B0020);
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_U0020 = _col0016[12].y - 5.00000000E-01;
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_V0020 = _col0016[12].z - 5.00000000E-01;
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_Y0020 = 1.16429996E+00*(_col0016[12].x - 6.25000000E-02);
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_R0020 = _Y0020 + 1.59580004E+00*_V0020;
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_G0020 = (_Y0020 - 3.91730011E-01*_U0020) - 8.12900007E-01*_V0020;
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_B0020 = _Y0020 + 2.01699996E+00*_U0020;
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_block2[12] = vec3(_R0020, _G0020, _B0020);
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_U0020 = _col0016[13].y - 5.00000000E-01;
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_V0020 = _col0016[13].z - 5.00000000E-01;
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_Y0020 = 1.16429996E+00*(_col0016[13].x - 6.25000000E-02);
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_R0020 = _Y0020 + 1.59580004E+00*_V0020;
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_G0020 = (_Y0020 - 3.91730011E-01*_U0020) - 8.12900007E-01*_V0020;
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_B0020 = _Y0020 + 2.01699996E+00*_U0020;
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_block2[13] = vec3(_R0020, _G0020, _B0020);
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_U0020 = _col0016[14].y - 5.00000000E-01;
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_V0020 = _col0016[14].z - 5.00000000E-01;
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_Y0020 = 1.16429996E+00*(_col0016[14].x - 6.25000000E-02);
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_R0020 = _Y0020 + 1.59580004E+00*_V0020;
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_G0020 = (_Y0020 - 3.91730011E-01*_U0020) - 8.12900007E-01*_V0020;
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_B0020 = _Y0020 + 2.01699996E+00*_U0020;
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_block2[14] = vec3(_R0020, _G0020, _B0020);
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_U0020 = _TMP6.y - 5.00000000E-01;
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_V0020 = _TMP6.z - 5.00000000E-01;
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_Y0020 = 1.16429996E+00*(_TMP6.x - 6.25000000E-02);
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_R0020 = _Y0020 + 1.59580004E+00*_V0020;
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_G0020 = (_Y0020 - 3.91730011E-01*_U0020) - 8.12900007E-01*_V0020;
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_B0020 = _Y0020 + 2.01699996E+00*_U0020;
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_block2[15] = vec3(_R0020, _G0020, _B0020);
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} // end if
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_mincol0021 = min(_block2[0], _block2[1]);
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_maxcol0021 = max(_block2[0], _block2[1]);
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_mincol0021 = min(_mincol0021, _block2[2]);
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_maxcol0021 = max(_maxcol0021, _block2[2]);
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_mincol0021 = min(_mincol0021, _block2[3]);
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_maxcol0021 = max(_maxcol0021, _block2[3]);
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_mincol0021 = min(_mincol0021, _block2[4]);
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_maxcol0021 = max(_maxcol0021, _block2[4]);
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_mincol0021 = min(_mincol0021, _block2[5]);
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_maxcol0021 = max(_maxcol0021, _block2[5]);
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_mincol0021 = min(_mincol0021, _block2[6]);
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_maxcol0021 = max(_maxcol0021, _block2[6]);
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_mincol0021 = min(_mincol0021, _block2[7]);
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_maxcol0021 = max(_maxcol0021, _block2[7]);
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_mincol0021 = min(_mincol0021, _block2[8]);
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_maxcol0021 = max(_maxcol0021, _block2[8]);
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_mincol0021 = min(_mincol0021, _block2[9]);
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_maxcol0021 = max(_maxcol0021, _block2[9]);
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_mincol0021 = min(_mincol0021, _block2[10]);
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_maxcol0021 = max(_maxcol0021, _block2[10]);
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_mincol0021 = min(_mincol0021, _block2[11]);
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_maxcol0021 = max(_maxcol0021, _block2[11]);
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_mincol0021 = min(_mincol0021, _block2[12]);
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_maxcol0021 = max(_maxcol0021, _block2[12]);
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_mincol0021 = min(_mincol0021, _block2[13]);
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_maxcol0021 = max(_maxcol0021, _block2[13]);
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_mincol0021 = min(_mincol0021, _block2[14]);
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_maxcol0021 = max(_maxcol0021, _block2[14]);
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_mincol0021 = min(_mincol0021, _block2[15]);
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_maxcol0021 = max(_maxcol0021, _block2[15]);
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_mincol0026 = _mincol0021;
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_maxcol0026 = _maxcol0021;
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_center0026 = (_mincol0021 + _maxcol0021)*5.00000000E-01;
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_t10026 = _block2[0] - _center0026;
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_cov0026.x = _t10026.x*_t10026.z;
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_cov0026.y = _t10026.y*_t10026.z;
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_t10026 = _block2[1] - _center0026;
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_cov0026.x = _cov0026.x + _t10026.x*_t10026.z;
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_cov0026.y = _cov0026.y + _t10026.y*_t10026.z;
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_t10026 = _block2[2] - _center0026;
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_cov0026.x = _cov0026.x + _t10026.x*_t10026.z;
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_cov0026.y = _cov0026.y + _t10026.y*_t10026.z;
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_t10026 = _block2[3] - _center0026;
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_cov0026.x = _cov0026.x + _t10026.x*_t10026.z;
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_cov0026.y = _cov0026.y + _t10026.y*_t10026.z;
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_t10026 = _block2[4] - _center0026;
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_cov0026.x = _cov0026.x + _t10026.x*_t10026.z;
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_cov0026.y = _cov0026.y + _t10026.y*_t10026.z;
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_t10026 = _block2[5] - _center0026;
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_cov0026.x = _cov0026.x + _t10026.x*_t10026.z;
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_cov0026.y = _cov0026.y + _t10026.y*_t10026.z;
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_t10026 = _block2[6] - _center0026;
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_cov0026.x = _cov0026.x + _t10026.x*_t10026.z;
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_cov0026.y = _cov0026.y + _t10026.y*_t10026.z;
|
||||
_t10026 = _block2[7] - _center0026;
|
||||
_cov0026.x = _cov0026.x + _t10026.x*_t10026.z;
|
||||
_cov0026.y = _cov0026.y + _t10026.y*_t10026.z;
|
||||
_t10026 = _block2[8] - _center0026;
|
||||
_cov0026.x = _cov0026.x + _t10026.x*_t10026.z;
|
||||
_cov0026.y = _cov0026.y + _t10026.y*_t10026.z;
|
||||
_t10026 = _block2[9] - _center0026;
|
||||
_cov0026.x = _cov0026.x + _t10026.x*_t10026.z;
|
||||
_cov0026.y = _cov0026.y + _t10026.y*_t10026.z;
|
||||
_t10026 = _block2[10] - _center0026;
|
||||
_cov0026.x = _cov0026.x + _t10026.x*_t10026.z;
|
||||
_cov0026.y = _cov0026.y + _t10026.y*_t10026.z;
|
||||
_t10026 = _block2[11] - _center0026;
|
||||
_cov0026.x = _cov0026.x + _t10026.x*_t10026.z;
|
||||
_cov0026.y = _cov0026.y + _t10026.y*_t10026.z;
|
||||
_t10026 = _block2[12] - _center0026;
|
||||
_cov0026.x = _cov0026.x + _t10026.x*_t10026.z;
|
||||
_cov0026.y = _cov0026.y + _t10026.y*_t10026.z;
|
||||
_t10026 = _block2[13] - _center0026;
|
||||
_cov0026.x = _cov0026.x + _t10026.x*_t10026.z;
|
||||
_cov0026.y = _cov0026.y + _t10026.y*_t10026.z;
|
||||
_t10026 = _block2[14] - _center0026;
|
||||
_cov0026.x = _cov0026.x + _t10026.x*_t10026.z;
|
||||
_cov0026.y = _cov0026.y + _t10026.y*_t10026.z;
|
||||
_t10026 = _block2[15] - _center0026;
|
||||
_cov0026.x = _cov0026.x + _t10026.x*_t10026.z;
|
||||
_cov0026.y = _cov0026.y + _t10026.y*_t10026.z;
|
||||
if (_cov0026.x < 0.00000000E+00) { // if begin
|
||||
_maxcol0026.x = _mincol0021.x;
|
||||
_mincol0026.x = _maxcol0021.x;
|
||||
} // end if
|
||||
if (_cov0026.y < 0.00000000E+00) { // if begin
|
||||
_maxcol0026.y = _mincol0021.y;
|
||||
_mincol0026.y = _maxcol0021.y;
|
||||
} // end if
|
||||
_inset0027 = (_maxcol0026 - _mincol0026)/1.60000000E+01 - 1.96078443E-03;
|
||||
_x0029 = _mincol0026 + _inset0027;
|
||||
_TMP8 = min(vec3( 1.00000000E+00, 1.00000000E+00, 1.00000000E+00), _x0029);
|
||||
_TMP30 = max(vec3( 0.00000000E+00, 0.00000000E+00, 0.00000000E+00), _TMP8);
|
||||
_x0037 = _maxcol0026 - _inset0027;
|
||||
_TMP8 = min(vec3( 1.00000000E+00, 1.00000000E+00, 1.00000000E+00), _x0037);
|
||||
_TMP38 = max(vec3( 0.00000000E+00, 0.00000000E+00, 0.00000000E+00), _TMP8);
|
||||
_TMP46 = true;
|
||||
_a0050 = _TMP38*vec3( 3.10000000E+01, 6.30000000E+01, 3.10000000E+01);
|
||||
_x0052 = _a0050 + 5.00000000E-01;
|
||||
_TMP49 = floor(_x0052);
|
||||
_c0048 = ivec3(int(_TMP49.x), int(_TMP49.y), int(_TMP49.z));
|
||||
_w0048 = int(((_c0048.x << 11) | (_c0048.y << 5) | _c0048.z));
|
||||
_c0048.xz = (_c0048.xz << 3) | (_c0048.xz >> 2);
|
||||
_c0048.y = (_c0048.y << 2) | (_c0048.y >> 4);
|
||||
_maxcol0045 = vec3(float(_c0048.x), float(_c0048.y), float(_c0048.z))*3.92156886E-03;
|
||||
_a0056 = _TMP30*vec3( 3.10000000E+01, 6.30000000E+01, 3.10000000E+01);
|
||||
_x0058 = _a0056 + 5.00000000E-01;
|
||||
_TMP55 = floor(_x0058);
|
||||
_c0054 = ivec3(int(_TMP55.x), int(_TMP55.y), int(_TMP55.z));
|
||||
_w0054 = int(((_c0054.x << 11) | (_c0054.y << 5) | _c0054.z));
|
||||
_c0054.xz = (_c0054.xz << 3) | (_c0054.xz >> 2);
|
||||
_c0054.y = (_c0054.y << 2) | (_c0054.y >> 4);
|
||||
_mincol0045 = vec3(float(_c0054.x), float(_c0054.y), float(_c0054.z))*3.92156886E-03;
|
||||
if (_w0048 < _w0054) { // if begin
|
||||
_tmp10045 = _mincol0045;
|
||||
_mincol0045 = _maxcol0045;
|
||||
_maxcol0045 = _tmp10045;
|
||||
_TMP44 = _w0054 | (_w0048 << 16);
|
||||
_TMP46 = false;
|
||||
} // end if
|
||||
if (_TMP46) { // if begin
|
||||
_TMP44 = _w0048 | (_w0054 << 16);
|
||||
} // end if
|
||||
_output1.x = _TMP44;
|
||||
_c0060[2] = _maxcol0045 + 3.33333343E-01*(_mincol0045 - _maxcol0045);
|
||||
_c0060[3] = _maxcol0045 + 6.66666687E-01*(_mincol0045 - _maxcol0045);
|
||||
_a0068 = _block2[0] - _maxcol0045;
|
||||
_b0068 = _block2[0] - _maxcol0045;
|
||||
_TMP65 = dot(_a0068, _b0068);
|
||||
_a0072 = _block2[0] - _mincol0045;
|
||||
_b0072 = _block2[0] - _mincol0045;
|
||||
_TMP69 = dot(_a0072, _b0072);
|
||||
_a0076 = _block2[0] - _c0060[2];
|
||||
_b0076 = _block2[0] - _c0060[2];
|
||||
_TMP73 = dot(_a0076, _b0076);
|
||||
_a0080 = _block2[0] - _c0060[3];
|
||||
_b0080 = _block2[0] - _c0060[3];
|
||||
_TMP77 = dot(_a0080, _b0080);
|
||||
_b10060 = ivec4(int((_TMP65 > _TMP77)), int((_TMP69 > _TMP73)), int((_TMP65 > _TMP73)), int((_TMP69 > _TMP77)));
|
||||
_b410060 = int((_TMP73 > _TMP77));
|
||||
_index10060 = (_b10060.x & _b410060) | (((_b10060.y & _b10060.z) | (_b10060.x & _b10060.w)) << 1);
|
||||
_indices0060 = _index10060;
|
||||
_a0068 = _block2[1] - _maxcol0045;
|
||||
_b0068 = _block2[1] - _maxcol0045;
|
||||
_TMP65 = dot(_a0068, _b0068);
|
||||
_a0072 = _block2[1] - _mincol0045;
|
||||
_b0072 = _block2[1] - _mincol0045;
|
||||
_TMP69 = dot(_a0072, _b0072);
|
||||
_a0076 = _block2[1] - _c0060[2];
|
||||
_b0076 = _block2[1] - _c0060[2];
|
||||
_TMP73 = dot(_a0076, _b0076);
|
||||
_a0080 = _block2[1] - _c0060[3];
|
||||
_b0080 = _block2[1] - _c0060[3];
|
||||
_TMP77 = dot(_a0080, _b0080);
|
||||
_b10060 = ivec4(int((_TMP65 > _TMP77)), int((_TMP69 > _TMP73)), int((_TMP65 > _TMP73)), int((_TMP69 > _TMP77)));
|
||||
_b410060 = int((_TMP73 > _TMP77));
|
||||
_index10060 = (_b10060.x & _b410060) | (((_b10060.y & _b10060.z) | (_b10060.x & _b10060.w)) << 1);
|
||||
_indices0060 = _indices0060 | (_index10060 << 2);
|
||||
_a0068 = _block2[2] - _maxcol0045;
|
||||
_b0068 = _block2[2] - _maxcol0045;
|
||||
_TMP65 = dot(_a0068, _b0068);
|
||||
_a0072 = _block2[2] - _mincol0045;
|
||||
_b0072 = _block2[2] - _mincol0045;
|
||||
_TMP69 = dot(_a0072, _b0072);
|
||||
_a0076 = _block2[2] - _c0060[2];
|
||||
_b0076 = _block2[2] - _c0060[2];
|
||||
_TMP73 = dot(_a0076, _b0076);
|
||||
_a0080 = _block2[2] - _c0060[3];
|
||||
_b0080 = _block2[2] - _c0060[3];
|
||||
_TMP77 = dot(_a0080, _b0080);
|
||||
_b10060 = ivec4(int((_TMP65 > _TMP77)), int((_TMP69 > _TMP73)), int((_TMP65 > _TMP73)), int((_TMP69 > _TMP77)));
|
||||
_b410060 = int((_TMP73 > _TMP77));
|
||||
_index10060 = (_b10060.x & _b410060) | (((_b10060.y & _b10060.z) | (_b10060.x & _b10060.w)) << 1);
|
||||
_indices0060 = _indices0060 | (_index10060 << 4);
|
||||
_a0068 = _block2[3] - _maxcol0045;
|
||||
_b0068 = _block2[3] - _maxcol0045;
|
||||
_TMP65 = dot(_a0068, _b0068);
|
||||
_a0072 = _block2[3] - _mincol0045;
|
||||
_b0072 = _block2[3] - _mincol0045;
|
||||
_TMP69 = dot(_a0072, _b0072);
|
||||
_a0076 = _block2[3] - _c0060[2];
|
||||
_b0076 = _block2[3] - _c0060[2];
|
||||
_TMP73 = dot(_a0076, _b0076);
|
||||
_a0080 = _block2[3] - _c0060[3];
|
||||
_b0080 = _block2[3] - _c0060[3];
|
||||
_TMP77 = dot(_a0080, _b0080);
|
||||
_b10060 = ivec4(int((_TMP65 > _TMP77)), int((_TMP69 > _TMP73)), int((_TMP65 > _TMP73)), int((_TMP69 > _TMP77)));
|
||||
_b410060 = int((_TMP73 > _TMP77));
|
||||
_index10060 = (_b10060.x & _b410060) | (((_b10060.y & _b10060.z) | (_b10060.x & _b10060.w)) << 1);
|
||||
_indices0060 = _indices0060 | (_index10060 << 6);
|
||||
_a0068 = _block2[4] - _maxcol0045;
|
||||
_b0068 = _block2[4] - _maxcol0045;
|
||||
_TMP65 = dot(_a0068, _b0068);
|
||||
_a0072 = _block2[4] - _mincol0045;
|
||||
_b0072 = _block2[4] - _mincol0045;
|
||||
_TMP69 = dot(_a0072, _b0072);
|
||||
_a0076 = _block2[4] - _c0060[2];
|
||||
_b0076 = _block2[4] - _c0060[2];
|
||||
_TMP73 = dot(_a0076, _b0076);
|
||||
_a0080 = _block2[4] - _c0060[3];
|
||||
_b0080 = _block2[4] - _c0060[3];
|
||||
_TMP77 = dot(_a0080, _b0080);
|
||||
_b10060 = ivec4(int((_TMP65 > _TMP77)), int((_TMP69 > _TMP73)), int((_TMP65 > _TMP73)), int((_TMP69 > _TMP77)));
|
||||
_b410060 = int((_TMP73 > _TMP77));
|
||||
_index10060 = (_b10060.x & _b410060) | (((_b10060.y & _b10060.z) | (_b10060.x & _b10060.w)) << 1);
|
||||
_indices0060 = _indices0060 | (_index10060 << 8);
|
||||
_a0068 = _block2[5] - _maxcol0045;
|
||||
_b0068 = _block2[5] - _maxcol0045;
|
||||
_TMP65 = dot(_a0068, _b0068);
|
||||
_a0072 = _block2[5] - _mincol0045;
|
||||
_b0072 = _block2[5] - _mincol0045;
|
||||
_TMP69 = dot(_a0072, _b0072);
|
||||
_a0076 = _block2[5] - _c0060[2];
|
||||
_b0076 = _block2[5] - _c0060[2];
|
||||
_TMP73 = dot(_a0076, _b0076);
|
||||
_a0080 = _block2[5] - _c0060[3];
|
||||
_b0080 = _block2[5] - _c0060[3];
|
||||
_TMP77 = dot(_a0080, _b0080);
|
||||
_b10060 = ivec4(int((_TMP65 > _TMP77)), int((_TMP69 > _TMP73)), int((_TMP65 > _TMP73)), int((_TMP69 > _TMP77)));
|
||||
_b410060 = int((_TMP73 > _TMP77));
|
||||
_index10060 = (_b10060.x & _b410060) | (((_b10060.y & _b10060.z) | (_b10060.x & _b10060.w)) << 1);
|
||||
_indices0060 = _indices0060 | (_index10060 << 10);
|
||||
_a0068 = _block2[6] - _maxcol0045;
|
||||
_b0068 = _block2[6] - _maxcol0045;
|
||||
_TMP65 = dot(_a0068, _b0068);
|
||||
_a0072 = _block2[6] - _mincol0045;
|
||||
_b0072 = _block2[6] - _mincol0045;
|
||||
_TMP69 = dot(_a0072, _b0072);
|
||||
_a0076 = _block2[6] - _c0060[2];
|
||||
_b0076 = _block2[6] - _c0060[2];
|
||||
_TMP73 = dot(_a0076, _b0076);
|
||||
_a0080 = _block2[6] - _c0060[3];
|
||||
_b0080 = _block2[6] - _c0060[3];
|
||||
_TMP77 = dot(_a0080, _b0080);
|
||||
_b10060 = ivec4(int((_TMP65 > _TMP77)), int((_TMP69 > _TMP73)), int((_TMP65 > _TMP73)), int((_TMP69 > _TMP77)));
|
||||
_b410060 = int((_TMP73 > _TMP77));
|
||||
_index10060 = (_b10060.x & _b410060) | (((_b10060.y & _b10060.z) | (_b10060.x & _b10060.w)) << 1);
|
||||
_indices0060 = _indices0060 | (_index10060 << 12);
|
||||
_a0068 = _block2[7] - _maxcol0045;
|
||||
_b0068 = _block2[7] - _maxcol0045;
|
||||
_TMP65 = dot(_a0068, _b0068);
|
||||
_a0072 = _block2[7] - _mincol0045;
|
||||
_b0072 = _block2[7] - _mincol0045;
|
||||
_TMP69 = dot(_a0072, _b0072);
|
||||
_a0076 = _block2[7] - _c0060[2];
|
||||
_b0076 = _block2[7] - _c0060[2];
|
||||
_TMP73 = dot(_a0076, _b0076);
|
||||
_a0080 = _block2[7] - _c0060[3];
|
||||
_b0080 = _block2[7] - _c0060[3];
|
||||
_TMP77 = dot(_a0080, _b0080);
|
||||
_b10060 = ivec4(int((_TMP65 > _TMP77)), int((_TMP69 > _TMP73)), int((_TMP65 > _TMP73)), int((_TMP69 > _TMP77)));
|
||||
_b410060 = int((_TMP73 > _TMP77));
|
||||
_index10060 = (_b10060.x & _b410060) | (((_b10060.y & _b10060.z) | (_b10060.x & _b10060.w)) << 1);
|
||||
_indices0060 = _indices0060 | (_index10060 << 14);
|
||||
_a0068 = _block2[8] - _maxcol0045;
|
||||
_b0068 = _block2[8] - _maxcol0045;
|
||||
_TMP65 = dot(_a0068, _b0068);
|
||||
_a0072 = _block2[8] - _mincol0045;
|
||||
_b0072 = _block2[8] - _mincol0045;
|
||||
_TMP69 = dot(_a0072, _b0072);
|
||||
_a0076 = _block2[8] - _c0060[2];
|
||||
_b0076 = _block2[8] - _c0060[2];
|
||||
_TMP73 = dot(_a0076, _b0076);
|
||||
_a0080 = _block2[8] - _c0060[3];
|
||||
_b0080 = _block2[8] - _c0060[3];
|
||||
_TMP77 = dot(_a0080, _b0080);
|
||||
_b10060 = ivec4(int((_TMP65 > _TMP77)), int((_TMP69 > _TMP73)), int((_TMP65 > _TMP73)), int((_TMP69 > _TMP77)));
|
||||
_b410060 = int((_TMP73 > _TMP77));
|
||||
_index10060 = (_b10060.x & _b410060) | (((_b10060.y & _b10060.z) | (_b10060.x & _b10060.w)) << 1);
|
||||
_indices0060 = _indices0060 | (_index10060 << 16);
|
||||
_a0068 = _block2[9] - _maxcol0045;
|
||||
_b0068 = _block2[9] - _maxcol0045;
|
||||
_TMP65 = dot(_a0068, _b0068);
|
||||
_a0072 = _block2[9] - _mincol0045;
|
||||
_b0072 = _block2[9] - _mincol0045;
|
||||
_TMP69 = dot(_a0072, _b0072);
|
||||
_a0076 = _block2[9] - _c0060[2];
|
||||
_b0076 = _block2[9] - _c0060[2];
|
||||
_TMP73 = dot(_a0076, _b0076);
|
||||
_a0080 = _block2[9] - _c0060[3];
|
||||
_b0080 = _block2[9] - _c0060[3];
|
||||
_TMP77 = dot(_a0080, _b0080);
|
||||
_b10060 = ivec4(int((_TMP65 > _TMP77)), int((_TMP69 > _TMP73)), int((_TMP65 > _TMP73)), int((_TMP69 > _TMP77)));
|
||||
_b410060 = int((_TMP73 > _TMP77));
|
||||
_index10060 = (_b10060.x & _b410060) | (((_b10060.y & _b10060.z) | (_b10060.x & _b10060.w)) << 1);
|
||||
_indices0060 = _indices0060 | (_index10060 << 18);
|
||||
_a0068 = _block2[10] - _maxcol0045;
|
||||
_b0068 = _block2[10] - _maxcol0045;
|
||||
_TMP65 = dot(_a0068, _b0068);
|
||||
_a0072 = _block2[10] - _mincol0045;
|
||||
_b0072 = _block2[10] - _mincol0045;
|
||||
_TMP69 = dot(_a0072, _b0072);
|
||||
_a0076 = _block2[10] - _c0060[2];
|
||||
_b0076 = _block2[10] - _c0060[2];
|
||||
_TMP73 = dot(_a0076, _b0076);
|
||||
_a0080 = _block2[10] - _c0060[3];
|
||||
_b0080 = _block2[10] - _c0060[3];
|
||||
_TMP77 = dot(_a0080, _b0080);
|
||||
_b10060 = ivec4(int((_TMP65 > _TMP77)), int((_TMP69 > _TMP73)), int((_TMP65 > _TMP73)), int((_TMP69 > _TMP77)));
|
||||
_b410060 = int((_TMP73 > _TMP77));
|
||||
_index10060 = (_b10060.x & _b410060) | (((_b10060.y & _b10060.z) | (_b10060.x & _b10060.w)) << 1);
|
||||
_indices0060 = _indices0060 | (_index10060 << 20);
|
||||
_a0068 = _block2[11] - _maxcol0045;
|
||||
_b0068 = _block2[11] - _maxcol0045;
|
||||
_TMP65 = dot(_a0068, _b0068);
|
||||
_a0072 = _block2[11] - _mincol0045;
|
||||
_b0072 = _block2[11] - _mincol0045;
|
||||
_TMP69 = dot(_a0072, _b0072);
|
||||
_a0076 = _block2[11] - _c0060[2];
|
||||
_b0076 = _block2[11] - _c0060[2];
|
||||
_TMP73 = dot(_a0076, _b0076);
|
||||
_a0080 = _block2[11] - _c0060[3];
|
||||
_b0080 = _block2[11] - _c0060[3];
|
||||
_TMP77 = dot(_a0080, _b0080);
|
||||
_b10060 = ivec4(int((_TMP65 > _TMP77)), int((_TMP69 > _TMP73)), int((_TMP65 > _TMP73)), int((_TMP69 > _TMP77)));
|
||||
_b410060 = int((_TMP73 > _TMP77));
|
||||
_index10060 = (_b10060.x & _b410060) | (((_b10060.y & _b10060.z) | (_b10060.x & _b10060.w)) << 1);
|
||||
_indices0060 = _indices0060 | (_index10060 << 22);
|
||||
_a0068 = _block2[12] - _maxcol0045;
|
||||
_b0068 = _block2[12] - _maxcol0045;
|
||||
_TMP65 = dot(_a0068, _b0068);
|
||||
_a0072 = _block2[12] - _mincol0045;
|
||||
_b0072 = _block2[12] - _mincol0045;
|
||||
_TMP69 = dot(_a0072, _b0072);
|
||||
_a0076 = _block2[12] - _c0060[2];
|
||||
_b0076 = _block2[12] - _c0060[2];
|
||||
_TMP73 = dot(_a0076, _b0076);
|
||||
_a0080 = _block2[12] - _c0060[3];
|
||||
_b0080 = _block2[12] - _c0060[3];
|
||||
_TMP77 = dot(_a0080, _b0080);
|
||||
_b10060 = ivec4(int((_TMP65 > _TMP77)), int((_TMP69 > _TMP73)), int((_TMP65 > _TMP73)), int((_TMP69 > _TMP77)));
|
||||
_b410060 = int((_TMP73 > _TMP77));
|
||||
_index10060 = (_b10060.x & _b410060) | (((_b10060.y & _b10060.z) | (_b10060.x & _b10060.w)) << 1);
|
||||
_indices0060 = _indices0060 | (_index10060 << 24);
|
||||
_a0068 = _block2[13] - _maxcol0045;
|
||||
_b0068 = _block2[13] - _maxcol0045;
|
||||
_TMP65 = dot(_a0068, _b0068);
|
||||
_a0072 = _block2[13] - _mincol0045;
|
||||
_b0072 = _block2[13] - _mincol0045;
|
||||
_TMP69 = dot(_a0072, _b0072);
|
||||
_a0076 = _block2[13] - _c0060[2];
|
||||
_b0076 = _block2[13] - _c0060[2];
|
||||
_TMP73 = dot(_a0076, _b0076);
|
||||
_a0080 = _block2[13] - _c0060[3];
|
||||
_b0080 = _block2[13] - _c0060[3];
|
||||
_TMP77 = dot(_a0080, _b0080);
|
||||
_b10060 = ivec4(int((_TMP65 > _TMP77)), int((_TMP69 > _TMP73)), int((_TMP65 > _TMP73)), int((_TMP69 > _TMP77)));
|
||||
_b410060 = int((_TMP73 > _TMP77));
|
||||
_index10060 = (_b10060.x & _b410060) | (((_b10060.y & _b10060.z) | (_b10060.x & _b10060.w)) << 1);
|
||||
_indices0060 = _indices0060 | (_index10060 << 26);
|
||||
_a0068 = _block2[14] - _maxcol0045;
|
||||
_b0068 = _block2[14] - _maxcol0045;
|
||||
_TMP65 = dot(_a0068, _b0068);
|
||||
_a0072 = _block2[14] - _mincol0045;
|
||||
_b0072 = _block2[14] - _mincol0045;
|
||||
_TMP69 = dot(_a0072, _b0072);
|
||||
_a0076 = _block2[14] - _c0060[2];
|
||||
_b0076 = _block2[14] - _c0060[2];
|
||||
_TMP73 = dot(_a0076, _b0076);
|
||||
_a0080 = _block2[14] - _c0060[3];
|
||||
_b0080 = _block2[14] - _c0060[3];
|
||||
_TMP77 = dot(_a0080, _b0080);
|
||||
_b10060 = ivec4(int((_TMP65 > _TMP77)), int((_TMP69 > _TMP73)), int((_TMP65 > _TMP73)), int((_TMP69 > _TMP77)));
|
||||
_b410060 = int((_TMP73 > _TMP77));
|
||||
_index10060 = (_b10060.x & _b410060) | (((_b10060.y & _b10060.z) | (_b10060.x & _b10060.w)) << 1);
|
||||
_indices0060 = _indices0060 | (_index10060 << 28);
|
||||
_a0068 = _block2[15] - _maxcol0045;
|
||||
_b0068 = _block2[15] - _maxcol0045;
|
||||
_TMP65 = dot(_a0068, _b0068);
|
||||
_a0072 = _block2[15] - _mincol0045;
|
||||
_b0072 = _block2[15] - _mincol0045;
|
||||
_TMP69 = dot(_a0072, _b0072);
|
||||
_a0076 = _block2[15] - _c0060[2];
|
||||
_b0076 = _block2[15] - _c0060[2];
|
||||
_TMP73 = dot(_a0076, _b0076);
|
||||
_a0080 = _block2[15] - _c0060[3];
|
||||
_b0080 = _block2[15] - _c0060[3];
|
||||
_TMP77 = dot(_a0080, _b0080);
|
||||
_b10060 = ivec4(int((_TMP65 > _TMP77)), int((_TMP69 > _TMP73)), int((_TMP65 > _TMP73)), int((_TMP69 > _TMP77)));
|
||||
_b410060 = int((_TMP73 > _TMP77));
|
||||
_index10060 = (_b10060.x & _b410060) | (((_b10060.y & _b10060.z) | (_b10060.x & _b10060.w)) << 1);
|
||||
_indices0060 = _indices0060 | (_index10060 << 30);
|
||||
_output1.w = _indices0060;
|
||||
_colorInt = _output1;
|
||||
} // main end
|
||||
float Y = color[0];
|
||||
float U = color[1] - 0.5;
|
||||
float V = color[2] - 0.5;
|
||||
Y = 1.1643 * (Y - 0.0625);
|
||||
|
||||
float R = Y + 1.5958 * V;
|
||||
float G = Y - 0.39173 * U - 0.81290 * V;
|
||||
float B = Y + 2.017 * U;
|
||||
|
||||
return vec3(R, G, B);
|
||||
}
|
||||
|
||||
float colorDistance(vec3 c0, vec3 c1)
|
||||
{
|
||||
return dot(c0-c1, c0-c1);
|
||||
}
|
||||
float colorDistance(vec2 c0, vec2 c1)
|
||||
{
|
||||
return dot(c0-c1, c0-c1);
|
||||
}
|
||||
|
||||
void ExtractColorBlock(out vec3 col[16], sampler2D image, vec4 texcoord, vec2 imageSize)
|
||||
{
|
||||
vec2 texelSize = (1.0f / imageSize);
|
||||
vec2 tex = vec2(texcoord.x, texcoord.y);
|
||||
tex -= texelSize * vec2(2);
|
||||
for ( int i = 0; i < 4; i++ ) {
|
||||
for ( int j = 0; j < 4; j++ ) {
|
||||
col[i * 4 + j] = texture(image, tex + vec2(j, i) * texelSize).rgb;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void FindMinMaxColorsBox(vec3 block[16], out vec3 mincol, out vec3 maxcol)
|
||||
{
|
||||
mincol = block[0];
|
||||
maxcol = block[0];
|
||||
|
||||
for ( int i = 1; i < 16; i++ ) {
|
||||
mincol = min(mincol, block[i]);
|
||||
maxcol = max(maxcol, block[i]);
|
||||
}
|
||||
}
|
||||
|
||||
void SelectDiagonal(vec3 block[16], inout vec3 mincol, inout vec3 maxcol)
|
||||
{
|
||||
vec3 center = (mincol + maxcol) * 0.5;
|
||||
|
||||
vec2 cov = vec2(0, 0);
|
||||
for (int i = 0; i < 16; i++) {
|
||||
vec3 t = block[i] - center;
|
||||
cov.x += t.x * t.z;
|
||||
cov.y += t.y * t.z;
|
||||
}
|
||||
|
||||
if (cov.x < 0) {
|
||||
float temp = maxcol.x;
|
||||
maxcol.x = mincol.x;
|
||||
mincol.x = temp;
|
||||
}
|
||||
if (cov.y < 0) {
|
||||
float temp = maxcol.y;
|
||||
maxcol.y = mincol.y;
|
||||
mincol.y = temp;
|
||||
}
|
||||
}
|
||||
|
||||
void InsetBBox(inout vec3 mincol, inout vec3 maxcol)
|
||||
{
|
||||
vec3 inset = (maxcol - mincol) / 16.0 - (8.0 / 255.0) / 16;
|
||||
mincol = clamp(mincol + inset, 0.0, 1.0);
|
||||
maxcol = clamp(maxcol - inset, 0.0, 1.0);
|
||||
}
|
||||
|
||||
vec3 RoundAndExpand(vec3 v, out uint w)
|
||||
{
|
||||
uvec3 c = uvec3(round(v * vec3(31, 63, 31)));
|
||||
w = (c.r << 11u) | (c.g << 5u) | c.b;
|
||||
|
||||
c.rb = (c.rb << 3u) | (c.rb >> 2u);
|
||||
c.g = (c.g << 2u) | (c.g >> 4u);
|
||||
|
||||
return vec3(c) * (1.0 / 255.0);
|
||||
}
|
||||
|
||||
uint EmitEndPointsDXT1(inout vec3 mincol, inout vec3 maxcol)
|
||||
{
|
||||
uvec2 output;
|
||||
maxcol = RoundAndExpand(maxcol, output.x);
|
||||
mincol = RoundAndExpand(mincol, output.y);
|
||||
|
||||
// We have to do this in case we select an alternate diagonal.
|
||||
if (output.x < output.y)
|
||||
{
|
||||
vec3 tmp = mincol;
|
||||
mincol = maxcol;
|
||||
maxcol = tmp;
|
||||
return output.y | (output.x << 16u);
|
||||
}
|
||||
|
||||
return output.x | (output.y << 16u);
|
||||
}
|
||||
|
||||
uint EmitIndicesDXT1(vec3 col[16], vec3 mincol, vec3 maxcol)
|
||||
{
|
||||
// Compute palette
|
||||
vec3 c[4];
|
||||
c[0] = maxcol;
|
||||
c[1] = mincol;
|
||||
c[2] = lerp(c[0], c[1], 1.0/3.0);
|
||||
c[3] = lerp(c[0], c[1], 2.0/3.0);
|
||||
|
||||
// Compute indices
|
||||
uint indices = 0u;
|
||||
for ( int i = 0; i < 16; i++ ) {
|
||||
|
||||
// find index of closest color
|
||||
vec4 dist;
|
||||
dist.x = colorDistance(col[i], c[0]);
|
||||
dist.y = colorDistance(col[i], c[1]);
|
||||
dist.z = colorDistance(col[i], c[2]);
|
||||
dist.w = colorDistance(col[i], c[3]);
|
||||
|
||||
uvec4 b;
|
||||
b.x = dist.x > dist.w ? 1u : 0u;
|
||||
b.y = dist.y > dist.z ? 1u : 0u;
|
||||
b.z = dist.x > dist.z ? 1u : 0u;
|
||||
b.w = dist.y > dist.w ? 1u : 0u;
|
||||
uint b4 = dist.z > dist.w ? 1u : 0u;
|
||||
|
||||
uint index = (b.x & b4) | (((b.y & b.z) | (b.x & b.w)) << 1u);
|
||||
indices |= index << (uint(i) * 2u);
|
||||
}
|
||||
|
||||
// Output indices
|
||||
return indices;
|
||||
}
|
||||
|
||||
in vec4 TEX0;
|
||||
uniform sampler2D image;
|
||||
uniform int imageFormat = FORMAT_RGB;
|
||||
uniform vec2 imageSize;
|
||||
out uvec4 colorInt;
|
||||
|
||||
void main()
|
||||
{
|
||||
// Read block
|
||||
vec3 block[16];
|
||||
ExtractColorBlock(block, image, TEX0, imageSize);
|
||||
|
||||
// Convert to RGB
|
||||
if ( int(imageFormat) == FORMAT_YUV ) {
|
||||
for ( int index = 0; index < 16; index++ )
|
||||
block[index] = ConvertYUVToRGB(block[index]);
|
||||
}
|
||||
|
||||
// Find min and max colors
|
||||
vec3 mincol, maxcol;
|
||||
FindMinMaxColorsBox(block, mincol, maxcol);
|
||||
|
||||
SelectDiagonal(block, mincol, maxcol);
|
||||
|
||||
InsetBBox(mincol, maxcol);
|
||||
|
||||
uvec4 outp;
|
||||
outp.x = EmitEndPointsDXT1(mincol, maxcol);
|
||||
outp.w = EmitIndicesDXT1(block, mincol, maxcol);
|
||||
outp.y = 0u;
|
||||
outp.z = 0u;
|
||||
|
||||
colorInt = outp;
|
||||
}
|
||||
|
||||
@@ -34,7 +34,6 @@ vec3 ConvertRGBToYCoCg(vec3 color)
|
||||
return vec3(Y, Co, Cg);
|
||||
}
|
||||
|
||||
// Use dot product to minimize RMS instead absolute distance like in the CPU compressor.
|
||||
float colorDistance(vec3 c0, vec3 c1)
|
||||
{
|
||||
return dot(c0-c1, c0-c1);
|
||||
@@ -56,7 +55,6 @@ void ExtractColorBlock(out vec3 col[16], sampler2D image, vec4 texcoord, vec2 im
|
||||
}
|
||||
}
|
||||
|
||||
// find minimum and maximum colors based on bounding box in color space
|
||||
void FindMinMaxColorsBox(vec3 block[16], out vec3 mincol, out vec3 maxcol)
|
||||
{
|
||||
mincol = block[0];
|
||||
|
||||
@@ -41,8 +41,8 @@ dxt_glsl.h:compress_vp.glsl compress_dxt1_fp.glsl compress_dxt5ycocg_fp.glsl dis
|
||||
cat compress_vp.glsl | sed 's/\(.*\)/ \"\1\\n\"/' >> $@
|
||||
echo ";" >> $@
|
||||
# Write fp_compress_dxt1
|
||||
echo "static const char fp_compress_dxt1[] = " >> $@
|
||||
cat compress_dxt1_fp.glsl | sed 's/\(.*\)/ \"\1\\n\"/' >> $@
|
||||
echo "static const char fp_compress_dxt1[] = " >> $@
|
||||
cat compress_dxt1_fp.glsl | sed 's/\([^\r\n]*\)/ \"\1\\n\"/' >> $@
|
||||
echo ";" >> $@
|
||||
# Write fp_compress_dxt5ycocg
|
||||
echo "static const char fp_compress_dxt5ycocg[] = " >> $@
|
||||
@@ -77,15 +77,15 @@ GLSL_FILES=compress_dxt1_fp.glsl.build compress_dxt5ycocg_fp.glsl.build display_
|
||||
glsl: $(GLSL_FILES)
|
||||
|
||||
compress_dxt1_fp.glsl.build: dxt.cg
|
||||
cgc -profile glslf -po version=130 -entry compress_DXT1_fp -o compress_dxt1_fp.glsl dxt.cg
|
||||
#cgc -profile glslf -po version=130 -entry compress_DXT1_fp -o compress_dxt1_fp.glsl dxt.cg
|
||||
# Replace all "_imageFormat#" by "imageFormat"
|
||||
sed -i s/`cat compress_dxt1_fp.glsl | grep "var int imageFormat" | sed "s/.*\(_imageFormat\).*/\1/"`/imageFormat/g compress_dxt1_fp.glsl
|
||||
#sed -i s/`cat compress_dxt1_fp.glsl | grep "var int imageFormat" | sed "s/.*\(_imageFormat\).*/\1/"`/imageFormat/g compress_dxt1_fp.glsl
|
||||
# Replace all "_imageSize#" by "imageSize"
|
||||
sed -i s/`cat compress_dxt1_fp.glsl | grep "var float2 imageSize" | sed "s/.*\(_imageSize[0-9]\).*/\1/"`/imageSize/g compress_dxt1_fp.glsl
|
||||
#sed -i s/`cat compress_dxt1_fp.glsl | grep "var float2 imageSize" | sed "s/.*\(_imageSize[0-9]\).*/\1/"`/imageSize/g compress_dxt1_fp.glsl
|
||||
# Remove comments lines
|
||||
sed -i 's/^ *\/\/.*//g' compress_dxt1_fp.glsl
|
||||
#sed -i 's/^ *\/\/.*//g' compress_dxt1_fp.glsl
|
||||
# Remove empty lines
|
||||
sed -i '/^$$/d' compress_dxt1_fp.glsl
|
||||
#sed -i '/^$$/d' compress_dxt1_fp.glsl
|
||||
|
||||
compress_dxt5ycocg_fp.glsl.build: dxt.cg
|
||||
#cgc -profile glslf -po version=130 -entry compress_YCoCgDXT5_fp -o compress_dxt5ycocg_fp.glsl dxt.cg
|
||||
|
||||
Reference in New Issue
Block a user