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Timeshift: Clipped shadows #171

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siro20 opened this issue Dec 5, 2015 · 4 comments
Open

Timeshift: Clipped shadows #171

siro20 opened this issue Dec 5, 2015 · 4 comments
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@siro20
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siro20 commented Dec 5, 2015

Timeshift works fine except that shadows are clipped depending on distance and camera rotation visible here:
timeshift_shadows2_line
timeshift_shadows1
@siro20 siro20 added the bug label Aug 13, 2016
@siro20
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siro20 commented Aug 13, 2016

This seems to be a R600 bug, I couldn't reproduce it on nouveau (NVE4)

@siro20
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siro20 commented Aug 13, 2016

It's visible on nouveau that there are actually two rendering passes, one for high quality shadow and one low quality shadow. Both are clipped at some point (red line in first screenshot). The HQ shadow should be visible on R600, but it's not.

@siro20
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siro20 commented Dec 2, 2017

Tested on AMD TAHITI.
The bug is still present.
Mark it as AMD bug, as it's driver independent and does not affect nouveau.

@axeldavy
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axeldavy commented Mar 4, 2018

Tahiti is GCN. GCn driver is supposed to be more mature.

Could you do a trace ?

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@siro20 @axeldavy