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Precision loss at high ray/pixel count #1

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opened 2025-01-03 19:56:13 +03:00 by noteuclid · 0 comments
noteuclid commented 2025-01-03 19:56:13 +03:00
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When recording at e.g. 1024 rays per pixel the background is clearly posterized, due to precision loss in the 16bpc render target. WGPU doesn’t support 32bpc targets properly yet (https://github.com/gfx-rs/wgpu/issues/6555) so, some work-around is necessary (e.g. accumulating in stages).

When recording at e.g. 1024 rays per pixel the background is clearly posterized, due to precision loss in the 16bpc render target. WGPU doesn’t support 32bpc targets properly yet (https://github.com/gfx-rs/wgpu/issues/6555) so, some work-around is necessary (e.g. accumulating in stages).
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Reference: noteuclid/minitracing#1
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