Eevee render texture is overlap other objects #81104

Closed
opened 2020-09-23 21:33:17 +02:00 by Nisim Joseph · 9 comments

System Information
Operating system: Mac Book Pro
Graphics card:

Blender Version
Broken: 2.90.1

Short description of error
output1.png
The output image shows it + the Blender file of the example.
The array of texture elements are overlapping one the other from Reverse order. when the camera looks on the list of objects you can see the next object is "on" the one closer to the camera.
plant.blend

Exact steps for others to reproduce the error
I used a blank blender file and added the object and textures.

**System Information** Operating system: Mac Book Pro Graphics card: **Blender Version** Broken: 2.90.1 **Short description of error** ![output1.png](https://archive.blender.org/developer/F8912765/output1.png) The output image shows it + the Blender file of the example. The array of texture elements are overlapping one the other from Reverse order. when the camera looks on the list of objects you can see the next object is "on" the one closer to the camera. [plant.blend](https://archive.blender.org/developer/F8912774/plant.blend) **Exact steps for others to reproduce the error** I used a blank blender file and added the object and textures.
Author

Added subscriber: @Nisim

Added subscriber: @Nisim
Author

one more thing, when you look on the element and it looks wrong overlapping and then you press Numpad 9 to get the other side direction, it looks good.

one more thing, when you look on the element and it looks wrong overlapping and then you press Numpad 9 to get the other side direction, it looks good.

Added subscriber: @mano-wii

Added subscriber: @mano-wii

Changed status from 'Needs Triage' to: 'Confirmed'

Changed status from 'Needs Triage' to: 'Confirmed'

I can confirm.
This seems to occur in all versions of blender.
The problem is only seen when Blend Mode is Alpha Blend

I can confirm. This seems to occur in all versions of blender. The problem is only seen when `Blend Mode` is `Alpha Blend`

Added subscriber: @mmoeller

Added subscriber: @mmoeller

This is currently a documented limitation of Eevee: https://docs.blender.org/manual/en/latest/render/eevee/materials/settings.html#sorting-problem

Geometry is sorted only per-object (based on object origin) for Blend Mode: Alpha Blend. The sample file contains only one single object with transparent geometry. The array modifier on the object just modifies the object, the result is still one single object (with a fixed draw order for blended geometry).

With Blend Mode: Alpha Hashed or Alpha Clip you might get something that is closer to what you try to achieve. But both modes have other limitations (noise for partially transparent parts in the case of Alpha Hashed, and no partial transparency for Alpha Clip).

The result one gets from plant.blend is correct with respect to the documented behavior, so I would classify this as invalid.

This is currently a documented limitation of Eevee: https://docs.blender.org/manual/en/latest/render/eevee/materials/settings.html#sorting-problem Geometry is sorted only per-object (based on object origin) for Blend Mode: Alpha Blend. The sample file contains only one single object with transparent geometry. The array modifier on the object just modifies the object, the result is still one single object (with a fixed draw order for blended geometry). With Blend Mode: Alpha Hashed or Alpha Clip you might get something that is closer to what you try to achieve. But both modes have other limitations (noise for partially transparent parts in the case of Alpha Hashed, and no partial transparency for Alpha Clip). The result one gets from plant.blend is correct with respect to the documented behavior, so I would classify this as invalid.

Changed status from 'Confirmed' to: 'Archived'

Changed status from 'Confirmed' to: 'Archived'
Germano Cavalcante self-assigned this 2020-09-29 15:36:00 +02:00

Thanks for the info @mmoeller
It is indeed a limitation.

Thanks for the info @mmoeller It is indeed a limitation.
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Reference: blender/blender#81104
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