Different roughness values for default and new material #96247
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Reference: blender/blender#96247
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Blender Version
Broken:
ac90c8a774
Worked: any older version
Short description of error
In this commit, the roughness on the default objects is at 0.4, while the default roughness for the Principled BSDF shader is 0.5.
This might've been caused by the default roughness for the viewport (workbench) being changed from 0.4 to 0.5.
Exact steps for others to reproduce the error
Added subscriber: @Koopa512
Added subscriber: @PratikPB2123
Hi, thanks for the report. If I understand correctly, this report is about different roughness value for default material(0.4f) and Principled BSDF node (0.5f)
Not a high priority bug though. It's been there for a quite long time (2.83.17 also has this issue)
Will make some edits in report before confirming.
Default Cube and scuplting sphere roughness at 0.4 even though default principled bsdf is at 0.5to Different roughness values for default and new materialChanged status from 'Needs Triage' to: 'Confirmed'
@PratikPB2123 This task refers to the roughness of the material of the default cube in the startup scene and the sphere in the sculpting template scene, which is 0.4 vs the 0.5 of the material added when clicking the New button on empty material slots in the materials tab. Additionally, the clipping threshold for the materials in those two scenes is 0.0 vs 0.5 for new materials.
Since I am new to blender dev, I am not sure how to proceed here. These scene files are not source code, but rather .blend files that are copy pasted into the final product. Thus, a .diff file will not suffice.
Added subscriber: @tsjordan
Is this as simple as opening
release/datafiles/startup.blend
with blender, changing the roughness to .5, then saving it? It looks like it was last saved in blender 3.0.0 in commitb646846646
in November, 2021. It's probably good to heed the advice in the commit:Yes.
Added subscriber: @liudeyuan
We need to change default roughness from 0.4 to 0.5, or change new material roughness from 0.5 to 0.4?
If the former is true, we need to change default roughness via code, or we can change default roughness via edit startup.blend?
This issue was referenced by
411b4ed6ed
Changed status from 'Confirmed' to: 'Resolved'