EEVEE: shader UV map input is broken for hair curves #115460
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Reference: blender/blender#115460
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System Information
Operating system: Windows-10-10.0.19045-SP0 64 Bits
Graphics card: NVIDIA GeForce RTX 2060 SUPER/PCIe/SSE2 NVIDIA Corporation 4.6.0 NVIDIA 545.84
Blender Version
Broken: version: 4.1.0 Alpha, branch: main, commit date: 2023-11-25 22:37, hash:
1b6cd937ffc8
Worked: n/a
Probably never worked. Also broken in 3.3 which is the version the new curves are introduced.
Short description of error
This is for both EEVEE legacy and EEVEE Next.
In EEVEE shader UV map output for (hair) curves is broken.
UV output of the Texture Coordinate and UV Map nodes does not output UV map properly.
Test file: hair_curves_texture_test.blend
(From the test file choose the hair curves in the UV row.)
For some reason accessing some attribute using the Attribute node temporarily fixes this. But resetting renderer reverts it back to the erroneous one.
EEVEE: shader UV map output is broken for curvesto EEVEE: shader UV map input is broken for hair curvesThank you for the report.
I can confirm the problem with the UV map output for hair curves in both EEVEE legacy and EEVEE Next.
It's noteworthy that the "Particle Hair" functionality seems to work fine, while the issue appears to be specific to "Hair Curves".
Getting similar texture binding errors as #115344. Is definitely related but not sure if it is exactly the same path. @Jeroen-Bakker check this one too.
Just for reference the full stack trace and a 'easier' scene for reproduction
Jeroen Bakker referenced this issue2024-04-25 09:26:51 +02:00
Note that the missing texture bind isn't related to this issue, #121064 fixes the missing texture binding.