2013-03-07 18:51:57 +00:00
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void main()
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2011-01-31 00:08:06 +00:00
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{
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2014-07-29 17:08:57 +00:00
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float4 c0 = Sample();
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float4 c1 = SampleOffset(int2( 1, 1));
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float4 c2 = SampleOffset(int2(-1, -1));
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2014-05-21 03:49:49 +00:00
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float red = c0.r;
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2014-05-21 18:55:45 +00:00
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float green = c0.g;
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2014-05-21 03:49:49 +00:00
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float blue = c0.b;
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2014-05-21 18:55:45 +00:00
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float alpha = c0.a;
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2011-01-31 00:08:06 +00:00
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2014-05-21 03:49:49 +00:00
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red = c0.r - c1.b;
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blue = c0.b - c2.r + (c0.g - c0.r);
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2014-07-29 17:08:57 +00:00
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SetOutput(float4(red, 0.0, blue, alpha));
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2014-05-21 03:49:49 +00:00
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}
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