【悲報】PS5のUE5デモがレイトレなし1440p/30fps（可変）の低クオリティな件について Part 2

[過去ﾛｸﾞ] 【悲報】PS5のUE5デモがレイトレなし1440p/30fps（可変）の低クオリティな件について Part 2 (529ﾚｽ)
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517: 名無しさん必死だな [] 2020/05/20(水) 14:26:16 ID:0UpqnMel0

>>515
はい箱勝ち確定
According to Senior Graphics Programmer Brian Karis,
Epic used PlayStation 5's primitive shaders (properly introduced by AMD with the RDNA 1.0 architecture),
though the developers also made 'hyper-optimised' software shaders.

The vast majority of triangles are software rasterised using hyper-optimised compute shaders specifically designed for the advantages we can exploit.
As a result, we've been able to leave hardware rasterisers in the dust at this specific task.
Software rasterisation is a core component of Nanite that allows it to achieve what it does. We can't beat hardware rasterisers in all cases though so we'll use hardware when we've determined it's the faster path.
On PlayStation 5 we use primitive shaders for that path which is considerably faster than using the old pipeline we had before with vertex shaders.

This is the equivalent of NVIDIA's mesh shaders, which are also mentioned by Microsoft as part of the DirectX 12 Ultimate API and of the Xbox Series X hardware.
Clearly the same technique can be used on PC and Xbox Series X, then, and those platforms should outperform PlayStation 5 in this particular task given their superior compute capabilities.

http://krsw.5ch.net/test/read.cgi/ghard/1589429061/517

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