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Fixed in 2020.2.X

Fixed in 2019.3.X, 2020.1.X

Votes

1

Found in

2019.3.0a9

2019.3.7f1

2020.1

2020.2

Issue ID

1232889

Regression

Yes

Video stuttering when large screen target resolution is set and Vsync is disabled

Video

-

How to reproduce:
1. Open the project from the attached file "1232889.zip"(link in edit)
2. Open the MinimalRepro scene and enter Play Mode
3. In the Game View make sure that the resolution is set to 8192x8192 and Vsync is disabled
4. Inspect the Game View

Expected behavior: Video is played smoothly
Actual behavior: Video is stuttering

Reproducible with: 2019.3.0a9, 2019.3.9f1, 2020.1.0b5, 2020.2.0a7
Not reproducible with: 2017.4.39f1, 2018.4.21f1, 2019.3.0a8

Notes:
- Reproducible with DX11, DX12, OpenGL Graphics API
- "Large screen target resolution" would be referring to approximetily 8192x8192
- If the suttering is not reproducing try to wait a bit(~20sec) or re-enter playmode a few times

  1. Resolution Note (fix version 2020.2):

    Under heavier graphics load, the render thread can become late relative to the game loop. Take this extra delay into account before releasing video texture to avoid them being recycled for decoding too early (leading to visual back-and-forth artifacts).

    Fixed in 2020.2.0a9

  2. Resolution Note (fix version 2020.1):

    Fixed in 2020.1.0b8

  3. Resolution Note (fix version 2019.3):

    Fixed in 2019.3.12f1

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