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Fixed
Fixed in 6000.0.1f1
Votes
0
Found in
2023.3.0b9
6000.0.0b11
Issue ID
UUM-59115
Regression
No
Game/Scene View flickers when using multiframe rendering API
Note: this issue was originally reported to the Recorder team but can be reproduced when using only the multiframe API without the Recorder package.
*Reproduction steps:*
# Open the attached [^2023.3.0a17_hdrp_accumbug.zip] project
# Open the {{OutdoorsScene}} scene
# Select the {{Main Camera}} GameObject
# In the {{FrameManager}} component's context menu, select the {{Start Recording}} option
*Expected result:*
The Scene View and GameView windows should display the rendered content of the scene without any artifacts or unexpected behaviors
*Actual result:*
The Scene View and Game View windows start flickering black/white and the images recorded on disk are incorrect.
*NOTES*
The issue only seems to happen when specific values are used with the multiframe API. Notably:
* {{Samples}} = 2
* {{shutterInterval}} <= 0.5
* {{shutterFullyOpen}} > 0
* {{shutterBeginsClosing}} < 1
The problem might still be happening with other values but I've found this combination to be the most visible/obvious.
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Resolution Note (fix version 6000.0.1f1):
The flickering was indeed a bug in the way we handle sequences where the weight of the first frame is zero.
However, given the parameters of the user in the repro project, the expected output is just black: only two time-samples are used and given the shutter profile parameters, both samples have a weight of zero.