Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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for($ix=-2;$ix<=2;$ix++) |
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{ |
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for($iy=-2;$iy<=2;$iy++) |
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{ |
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print "vRefractColor += tex2D( RefractSampler, vRefractTexCoord + $ix * ddx1 + $iy * ddy1 );\n"; |
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$sumweights+=1; |
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} |
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} |
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print "float sumweights = $sumweights;\n";
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