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Old 26 January 2010, 12:11   #399
john4p
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Join Date: Feb 2008
Location: Germany
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Well, I always admired 2xSaI on ZNES about 10 years ago. Then, when hq2x (and hq3x and hq4x) arrived I was amazed by the quality of its bright and crisp output. Of course it doesn't look like the original, but I found many games looked even better than originally thanks to having clear-cut, non-blocky diagonals without blur.

But I've just tried 50% and 25% scanlines and I'm beginning to see where the scanline-faction is coming from. With those quasi-scanlines (transparent scanlines) it looks really quite "genuine". Almost like back in the day with my Amiga 500 connected via RGB-cable to my RGB-capable TV...


Now here are eight more examples. Tell me which one do you like best:


1) Kreed's 2xSaI (Double Pixels, then "Scale and Interpolate"):




2) Super2xSaI:




3) SuperEagle:




4) Scale2x:




5) 50% Scanlines without filtering ("Direct3D 16bit point filtering" in WinUAE to be exact)




6) 50% Scanlines with bilinear filtering:




7) 25% Scanlines without filtering:




8) 25% Scanlines with bilinear filtering:




While with 100% scanlines the pic was far too dark, 50% and 25% scanlines do indeed look close to the real thing.
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