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Votes

0

Found in

2020.1.0a17

2020.1.0a18

Issue ID

1208466

Regression

Yes

[Lighting] Failed to find a suitable OpenCL device error is thrown on selecting Progressive GPU light mapper

Global Illumination

-

Failed to find a suitable OpenCL device error is thrown on selecting Progressive GPU light mapper. Unable to switch to Progressive GPU for the first time.

Steps to repro:
1. Create a new Project.
2. Windows > Rendering > Light Settings.
3. Lightmapping Settings > Lightmapper.
4. Select Progressive GPU(Preview).

Actual Result:
Failed to find a suitable OpenCL device error in the console.

Expected Result:
No Errors in the console.

Reproducible in:
2020.1.0a18, 2020.1.0a17.

Working Fine in:
2020.1.0a16, 2019.3.0f5(4b9e60e5c3e9).

Environment:
Occurs only on Windows.

Stack trace:
Failed to find a suitable OpenCL device, falling back to CPU lightmapper.

  1. Response avatar

    Resolution Note:

    This is expected to see the fallback to CPU in 2020.1, since your GPU has 3 GB of VRAM. Starting from 2020.1 GPU Lightmapper requires the GPU with at least 4 GB of VRAM and on GPUs having less than 4 GB of VRAM it should fallback to CPU Lightmapper.

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