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Tidligere Lionhead-udvikler lovpriser 4K-opskalering


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PlayStation 4 Pro tilbyder 4K... og så alligevel ikke. Selvom nogle spil tilbyder en ægte 4K-opløsning, såsom The Last of Us og The Elder Scrolls V: Skyrim, så benytter de fleste titler en opskaleringsløsning, som bliver refereret til som "checkerboard".

Don Williamson, der er tidligere udvikler hos Lionhead, og nu arbejder som ingeniør hos Celtoys, mener at denne halve løsning er en god måde for udviklere at gøre sig bekendt med at udvikle i 4K-opløsning, og de udfordringer der associeres med det.

"[PS4 Pro's checkerboard rendering is] a cute trick that fell out of the temporal anti-aliasing line of thinking. Like TAA it requires a big investment in a specific direction for your engine architecture: you need per-pixel velocity vectors, fallback strategies for the myriad effects that don't fit that design, well-designed reprojection systems and game systems that are aware of single-frame effect limitations. If you've already invested in TAA then it could be a lot easier for you to integrate but there are strains of developers who don't believe betting the farm on TAA is wise: you end up building a significant amount of code that stops working the minute you turn TAA off."

Williamson mener at der er mange fordele ved Checkerboard-opskalering:

"On the plus side? You get stunning performance improvements with visual idiosyncrasies that you might be happy with. That Sony have chosen to accelerate part of this for developers can only be a good thing for the short term as we figure how to target higher resolutions more efficiently."

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