checker texture strange behavior in cycles #48139

Closed
opened 2016-04-13 16:00:19 +02:00 by Niko Maisuradze · 12 comments

Windows 7 64

Broken in 2.77a and in latest daily (c1a27a7)
Worked in 2.76b

Checker texture behaves strangely in cycles render, in both viewport and final. Issue appears\visible only if texture coordinates are rotated (mapping node). Bug seems to be in checker texture as other textures (noise, brick) render normally

Steps to reproduce: Assign checker texture to any object (box, suzanne) and rotate its texture coordinates with mapping node

checker_bug.jpg

cube_checker.blend

Windows 7 64 Broken in 2.77a and in latest daily (c1a27a7) Worked in 2.76b Checker texture behaves strangely in cycles render, in both viewport and final. Issue appears\visible only if texture coordinates are rotated (mapping node). Bug seems to be in checker texture as other textures (noise, brick) render normally Steps to reproduce: Assign checker texture to any object (box, suzanne) and rotate its texture coordinates with mapping node ![checker_bug.jpg](https://archive.blender.org/developer/F303212/checker_bug.jpg) [cube_checker.blend](https://archive.blender.org/developer/F303214/cube_checker.blend)

Changed status to: 'Open'

Changed status to: 'Open'

Added subscriber: @NikoMaisuradze

Added subscriber: @NikoMaisuradze

Added subscriber: @Sergey

Added subscriber: @Sergey

I can't really reproduce the issue neither on Linux nor on Windows 7.

Does it happen for you on both CPU and GPU? It is enough to open attached file and go to rendered viewport in order to see the bug?

I can't really reproduce the issue neither on Linux nor on Windows 7. Does it happen for you on both CPU and GPU? It is enough to open attached file and go to rendered viewport in order to see the bug?

Yes. Opening attached file and rendering in viewport or f12 is enough to see the bug. (you may have to create camera for f12 though)
Bug mostly is visible on rotated texture coords

Yes. Opening attached file and rendering in viewport or f12 is enough to see the bug. (you may have to create camera for f12 though) Bug mostly is visible on rotated texture coords

Bug only appears on GPU. (forgot to mention)

Bug only appears on GPU. (forgot to mention)

What's your GPU? And can you share system-info created by Help -> Save System Info ?

What's your GPU? And can you share system-info created by Help -> Save System Info ?

2 GPUs. 980 and 980 Ti. Bug appears on rendering with each of GPUs separately, and with both together

system-info.txt

2 GPUs. 980 and 980 Ti. Bug appears on rendering with each of GPUs separately, and with both together [system-info.txt](https://archive.blender.org/developer/F303401/system-info.txt)

Managed to reproduce with 980Ti on Win10. Will have a look later,

Managed to reproduce with 980Ti on Win10. Will have a look later,

This issue was referenced by 3165e8740b

This issue was referenced by 3165e8740b83f28569a9e405757f4c34c378df3b

Changed status from 'Open' to: 'Resolved'

Changed status from 'Open' to: 'Resolved'

This issue was referenced by blender/cycles@bab3475d68

This issue was referenced by blender/cycles@bab3475d6857d01db55c8130919ccfb69b999aef
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Reference: blender/blender#48139
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