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Fixed in 13.0.0

Votes

0

Found in [Package]

12.0.0

Issue ID

1339656

Regression

No

[HDRP][DLSS] Rendering performance drop when Physically Based Depth Of Field is used and DLSS enabled

Package: Scriptable Render Pipeline HD

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How to reproduce:
1. Open the attached project named "hdrp_dxr_dlss.zip"
2. Open the Scenes/samplescene
3. Enter Play mode
4. Observe the frame times when the Physically Based Depth Of Field option is disabled
5. Select the Post Process Volume in the Hierarchy
6. Enable the Physically Based Depth Of Field option
7. Observe the frame times again

Expected results: Frame times are only affected slightly
Actual results: Massive fps drop can be observed (From ~120to ~44 with the testing machine @1080p)

Reprodcuible with: 2021.2.0a18(12.0.0), 2021.2.0b1(12.0.0/SRP master - bbe8ab0384b1af7e812fb75d911a6db19ab8698c)
Could not test with: 2018.4.35f1, 2019.4.28f1, 2020.3.12f1, 2021.1.12f1(DLSS was not available)

Notes:
1. When DLSS is disabled the impact of enabling Physically Based Depth Of Field was 96 -> 86 fps

  1. Resolution Note (fix version 13.0.0):

    Fixed in HDRP 13.0.0 which is available in Unity 2022.1.0a11 and above

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