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Fixed in 2020.1

Fixed in 2019.3



Found in



Issue ID




'Selected texture format 'ARGB 16 bit' is not valid' error is shown after manually baking shadowmask

Global Illumination


Steps to repro:
1. Open the attached project and 'ProgressiveLightmappingExample' scene;
2. In the Lighting window press 'Generate Lighting' button.

Expected result:
Lighting is baked without errors.

Actual result:
Following error is shown:

"Selected texture format 'ARGB 16 bit' for platform 'DefaultTexturePlatform' is not valid with the current texture type 'Default'.
0x00007FF6AE31C23C (Unity) StackWalker::GetCurrentCallstack
0x00007FF6AE31F711 (Unity) StackWalker::ShowCallstack
0x00007FF6ACBCF035 (Unity) GetStacktrace
0x00007FF6AEEBC27D (Unity) DebugStringToFile
0x00007FF6AC4383F3 (Unity) TextureImporter::CheckTextureFormatValue
0x00007FF6AC44ACBF (Unity) TextureImporter::SetPlatformTextureSettings
0x00007FF6AEC281BF (Unity) SetTextureImporterSettings
0x00007FF6AEC2690E (Unity) MoveTextureSnapshotsToAssetsFolder
0x00007FF6AEC25328 (Unity) WriteLightingDataAssetJob::Integrate
0x00007FF6AC7EEC16 (Unity) JobManager::IntegrateCompletedJobs
0x00007FF6AEB944D4 (Unity) GISceneManager::Update
0x00007FF6AEB914B5 (Unity) `GISceneManager::GISceneManager'::`2'::tickGIInEditorRegistrator::Forward
0x00007FF6ABBC5419 (Unity) CallbackArray::Invoke
0x00007FF6AC3487EF (Unity) ProfilerCallbackInvoke<CallbackArray,281736>::Invoke
0x00007FF6AC354923 (Unity) Application::TickTimer
0x00007FF6ACBD6555 (Unity) MainMessageLoop
0x00007FF6ACBD8F8F (Unity) WinMain
0x00007FF6AF855512 (Unity) __scrt_common_main_seh
0x00007FFBF7FC3034 (KERNEL32) BaseThreadInitThunk
0x00007FFBFA9B1471 (ntdll) RtlUserThreadStart"
See attached vide and Editor.log.

Regression introduced in 2019.2.0a11.

- Reproducible in 2019.3.0a1. 2019.2.0a11, 2019.2.0a11;
- Not reproducible in 2019.2.0a10, 2019.1.0f1,
- Reproducible on Windows and OSX;
- Reproducible when baking lighting manually; not reproducible when auto-baking lighting;
- Reproducible only with Shadowmask light mode; not reproducible with Subtractive and Baked Indirect.
- Reproducible when baking with either CPU and GPU PLM and Enlighten.

Comments (14)

  1. A72baba0e25667cea95537b83c8d4d10?d=mm


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  2. A6bba7df2927e1cae43418d4430442f3?d=mm


    Feb 16, 2020 20:59

    Also this introduces bake artifacts so its a showstopper, needs resolve ASAP

  3. A6bba7df2927e1cae43418d4430442f3?d=mm


    Feb 16, 2020 20:58

    Guys you need to backport this to 2019.2.x and 2019.3.x.

  4. 89b37054dfd1cadbd17b6a4188b42ea4?d=mm


    Feb 14, 2020 19:12

    Same issue in 2019.3.1f1

  5. 4ac01c722a5c442aa98b739f64d3d3a0?d=mm


    Feb 08, 2020 00:42

    Reproduced in 2019.3.0f6 (official stable release)

  6. 8ade22452f0f1bbd830916ae0a8072b2?d=mm


    Jan 24, 2020 20:08

    Is this not going to be fixed for 2019.2 and 2019.3?!

  7. 97610986c26a85590f75e66942c26809?d=mm


    Jan 20, 2020 07:48

    Reproducible in 2019.2.17f1

    PHILSA's solution of disabling 'Compress Lightmaps' still works for solving the issue.

  8. 367da484cdd97a54212469469ce68d59?d=mm


    Nov 28, 2019 21:56

    Reproduced in 2019.2.13f1

  9. E6dcccd88bdedfca1329fdf6775bd931?d=mm


    Nov 27, 2019 16:28

    Reproducible in 2019.2.13f1

  10. 2f16f7daec8b6f2bb04191943c048746?d=mm


    Nov 17, 2019 05:16

    Reproducible in 2019.2.11f1

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