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Generated Texture Coordinates broken during playback #129472

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opened 2024-10-28 13:01:44 +01:00 by Poch · 3 comments
Poch commented 2024-10-28 13:01:44 +01:00
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System Information
Operating system: Arch Linux, macOS 14.5 (23F79)
Graphics card: RTX 3090, M1

Blender Version
Broken: LTS 4.2.3, 4.4.0 a (main.c72076aec850)
Worked: Unknown, different behavior in LTS 3.6 but still broken

During viewport playback coordinates generated by Texture Coordinates->Generated node do not work as expected.

Open file, press Play. Notice cube in scene is textured with checker texture matching deformations of a cube. During playback in viewport switch to Solid mode, select/deselect objects or anything in viewport with click. Switch back to Material Preview/Rendered. Unless anything is selected/deselected in viewport with click again, texture on cube will "float". Both EEVEE and CYCLES Rendered modes are affected.

LTS 3.6 "fixes" the issue itself after one loop of timeline.

r_cddata_masks->vmask is set to have CD_MASK_ORCO but it does not work until something updates with user selecting/deselecting objects in viewport?

**System Information** Operating system: Arch Linux, macOS 14.5 (23F79) Graphics card: RTX 3090, M1 **Blender Version** Broken: LTS 4.2.3, 4.4.0 a (main.c72076aec850) Worked: Unknown, different behavior in LTS 3.6 but still broken During viewport playback coordinates generated by Texture Coordinates->Generated node do not work as expected. Open file, press Play. Notice cube in scene is textured with checker texture matching deformations of a cube. During playback in viewport switch to Solid mode, select/deselect objects or anything in viewport with click. Switch back to Material Preview/Rendered. Unless anything is selected/deselected in viewport with click again, texture on cube will "float". Both EEVEE and CYCLES Rendered modes are affected. LTS 3.6 "fixes" the issue itself after one loop of timeline. r_cddata_masks->vmask is set to have CD_MASK_ORCO but it does not work until something updates with user selecting/deselecting objects in viewport?
ORCO_bug.blend
867 KiB
ORCO_bug.mp4
1.9 MiB
Poch added the
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Poch changed title from Generated Texture Coordiantes broken during playback to Generated Texture Coordinates broken during playback 2024-10-28 13:18:24 +01:00
Alaska commented 2024-10-29 04:30:05 +01:00
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I can confirm the issue in 4.2 and 4.3 (didn't test other versions). I'm not sure which module to assign this too as it impacts both render engines.

System Information
Operating system: Windows-10-10.0.22631-SP0 64 Bits
Graphics card: NVIDIA GeForce RTX 4090/PCIe/SSE2 NVIDIA Corporation 4.6.0 NVIDIA 565.90
Blender version: 4.3.0 Beta, branch: blender-v4.3-release, commit date: 2024-10-28 11:14, hash: f0125f26fd15

I can confirm the issue in 4.2 and 4.3 (didn't test other versions). I'm not sure which module to assign this too as it impacts both render engines. **System Information** Operating system: Windows-10-10.0.22631-SP0 64 Bits Graphics card: NVIDIA GeForce RTX 4090/PCIe/SSE2 NVIDIA Corporation 4.6.0 NVIDIA 565.90 Blender version: 4.3.0 Beta, branch: blender-v4.3-release, commit date: 2024-10-28 11:14, hash: `f0125f26fd15`
Weizhen Huang commented 2024-10-29 20:14:43 +01:00
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Seems that scene->customdata_mask did not get the updated value from win_combine_v3d_datamask.
I think the scene should be copied when the user switches viewport shading, so I tried to add DEG_id_tag_update(&scene->id, ID_RECALC_PARAMETERS); in rna_3DViewShading_type_update(). The problem is gone most of the time, but sometimes this still doesn't work. So not sure.

Seems that `scene->customdata_mask` did not get the updated value from `win_combine_v3d_datamask`. I think the scene should be copied when the user switches viewport shading, so I tried to add `DEG_id_tag_update(&scene->id, ID_RECALC_PARAMETERS);` in `rna_3DViewShading_type_update()`. The problem is gone most of the time, but sometimes this still doesn't work. So not sure.
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Iliya Katushenock commented 2024-11-16 20:01:06 +01:00
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I did not get the idea why there might be some optional dependencies based on render mode type (render depend on scene data mask which is depend... on what? sorry if irrelevant). But this seems like this should be on Core module page since fix of this might introduce complete reevaluation of the scene for render mode switch.

I did not get the idea why there might be some optional dependencies based on render mode type (render depend on scene data mask which is depend... on what? sorry if irrelevant). But this seems like this should be on `Core` module page since fix of this might introduce complete reevaluation of the scene for render mode switch.
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