qr shader: add format ec bits
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1 changed files with 21 additions and 8 deletions
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@ -18,9 +18,17 @@ CGPROGRAM
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#define ALIGNER_SPACING ((WIDTH - 13) / (ALIGNERS-1))
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#define MISALIGNMENT ((WIDTH - 13) % (ALIGNERS-1))
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#define EC_LEVEL (3)
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#define MASK_TYPE (4)
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#define FORMAT_BITS ((EC_LEVEL << 3) | MASK_TYPE)
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#define EC_LEVEL_L 1
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#define EC_LEVEL_M 0
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#define EC_LEVEL_Q 3
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#define EC_LEVEL_H 2
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#define EC_LEVEL EC_LEVEL_L
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#define MASK_TYPE 1
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static const uint FORMAT_BIT_SETS[32] = {0x5412, 0x5125, 0x5e7c, 0x5b4b, 0x45f9, 0x40ce, 0x4f97, 0x4aa0, 0x77c4, 0x72f3, 0x7daa, 0x789d, 0x662f, 0x6318, 0x6c41, 0x6976, 0x1689, 0x13be, 0x1ce7, 0x19d0, 0x0762, 0x0255, 0x0d0c, 0x083b, 0x355f, 0x3068, 0x3f31, 0x3a06, 0x24b4, 0x2183, 0x2eda, 0x2bed};
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#define FORMAT_BITS_RAW ((EC_LEVEL << 3) | MASK_TYPE)
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#define FORMAT_BITS FORMAT_BIT_SETS[FORMAT_BITS_RAW]
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/*
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v = 15
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@ -88,11 +96,16 @@ CGPROGRAM
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}
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// Format bits
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if (px < 5 && py == 8) return (FORMAT_BITS & (1 << (4 - px))) == 0;
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if (px == 8 && py > WIDTH - 6) return (FORMAT_BITS & (1 << py + 5 - WIDTH)) == 0;
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if (px == 8 && (py < 9 || py > WIDTH - 9)) return PINK;
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if (py == 8 && (px < 9 || px > WIDTH - 9)) return PINK;
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// left
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if (px < 6 && py == 8) return (FORMAT_BITS & (1 << (14 - px))) == 0;
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if (px == 7 && py == 8) return (FORMAT_BITS & (1 << 8)) == 0;
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// right
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if (px > WIDTH - 9 && py == 8) return (FORMAT_BITS & (1 << (WIDTH - 1 - px))) == 0;
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// top
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if (px == 8 && py < 6) return (FORMAT_BITS & (1 << py)) == 0;
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if (px == 8 && py < 9) return (FORMAT_BITS & (1 << (py-1))) == 0;
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// bottom
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if (px == 8 && py > WIDTH - 8) return (FORMAT_BITS & (1 << py + 15 - WIDTH)) == 0;
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uint column = (WIDTH - px - (px > 6))/2;
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uint direction_up = column & 1;
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