Mipmaps are inaccurate for UDIM textures #96683

New Issue

Ethan-Hall · 2022-03-21T19:02:23+01:00

Ethan-Hall commented

2022-03-21 19:02:23 +01:00

System Information
Operating system: Windows-10-10.0.19043-SP0 64 Bits
Graphics card: NVIDIA GeForce RTX 2080 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 511.79

Blender Version
Bisect points to e59f754c16 as responsible.
Broken: version: 3.2.0 Alpha, branch: master, commit date: 2022-03-21 16:41, hash: c7e25a25b0
Worked: 3.1.0

Short description of error
Mipmaps are inaccurate when using a UDIM tile texture.

Broken	Working
{F12938657 size=full}	{F12938659 size=full}

Use Mipmaps	UDIM Texture	Single Image
Yes	{F12948717 size=full}	{F12948719 size=full}
No	{F12948722 size=full}	{F12948725 size=full}

Steps to reproduce based on test file
Test File: Eevee Texture Filtering Test UDIM Broken.blend

Unpack the texture.
Change source type from Single Image to UDIM Tiles.
Observe the difference.

**System Information** Operating system: Windows-10-10.0.19043-SP0 64 Bits Graphics card: NVIDIA GeForce RTX 2080 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 511.79 **Blender Version** Bisect points to e59f754c169d as responsible. Broken: version: 3.2.0 Alpha, branch: master, commit date: 2022-03-21 16:41, hash: `c7e25a25b0` Worked: 3.1.0 **Short description of error** Mipmaps are inaccurate when using a UDIM tile texture. |Broken|Working| | -- | -- | |{[F12938657](https://archive.blender.org/developer/F12938657/Broken.png) size=full}|{[F12938659](https://archive.blender.org/developer/F12938659/Working.png) size=full}| |Use Mipmaps|UDIM Texture|Single Image| | -- | -- | -- | |Yes|{[F12948717](https://archive.blender.org/developer/F12948717/UDIM_mipmaps.png) size=full}|{[F12948719](https://archive.blender.org/developer/F12948719/single_image_mipmaps.png) size=full}| |No|{[F12948722](https://archive.blender.org/developer/F12948722/UDIM_mipmaps_off.png) size=full}|{[F12948725](https://archive.blender.org/developer/F12948725/single_image_mipmaps_off.png) size=full}| **Steps to reproduce based on test file** Test File: [Eevee Texture Filtering Test UDIM Broken.blend](https://archive.blender.org/developer/F12938665/Eevee_Texture_Filtering_Test_UDIM_Broken.blend) 1) Unpack the texture. 2) Change source type from `Single Image` to `UDIM Tiles`. 3) Observe the difference.

Ethan-Hall commented

2022-03-21 19:02:23 +01:00

Added subscriber: @Ethan-Hall

Pratik Borhade commented

2022-03-22 05:23:47 +01:00

Added subscriber: @PratikPB2123

Pratik Borhade commented

2022-03-22 05:34:12 +01:00

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

Pratik Borhade commented

2022-03-22 05:34:12 +01:00

Added subscriber: @fclem

Pratik Borhade commented

2022-03-22 05:34:12 +01:00

Bisect points to e59f754c16 as responsible.

@fclem , can you check?

> Bisect points to e59f754c169d as responsible. @fclem , can you check?

Philipp Oeser commented

2022-03-25 16:11:52 +01:00

Added subscriber: @lichtwerk

Philipp Oeser commented

2022-03-25 16:11:52 +01:00

Well, if it is a recent regression, it should be High prio I think.

Philipp Oeser changed title from ~~Mipmaps are broken for JPG UDIM textures.~~ to Regression: Mipmaps are broken for JPG UDIM textures.

2022-03-25 16:12:03 +01:00

Ethan-Hall changed title from ~~Regression: Mipmaps are broken for JPG UDIM textures.~~ to Regression: Mipmaps are inaccurate for UDIM textures

2022-03-27 01:05:26 +01:00

Ethan-Hall commented

2022-03-27 01:08:38 +01:00

I conducted more tests and realize that the mipmaps weren't disabled, they were just inaccurate. Also, I realized the problem was not just for JPG images. My initial JPG test images just happened to make the problem look worse.

Philipp Oeser changed title from ~~Regression: Mipmaps are inaccurate for UDIM textures~~ to Mipmaps are inaccurate for UDIM textures

2022-03-28 11:39:59 +02:00

blender-admin commented

2022-05-07 19:11:34 +02:00

This issue was referenced by 78e7b20c0f

This issue was referenced by 78e7b20c0f8dd2e76148f351ef1104375a4a1c94

Clément Foucault commented

2022-05-07 19:15:29 +02:00

Changed status from 'Confirmed' to: 'Resolved'

Clément Foucault closed this issue

2022-05-07 19:15:29 +02:00

Clément Foucault self-assigned this 2022-05-07 19:15:29 +02:00

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Mipmaps are inaccurate for UDIM textures #96683