2.78b - Light Path as Mix Shader Factor Breaks Viewport Material View #50641

Closed
opened 2017-02-10 07:27:37 +01:00 by shaun kreider · 10 comments

System Information
Win7, GTX1070

Blender Version
Broken: 2.78b
Worked: 2.78a

Using the Light Path node as a final mix factor breaks the viewport material view.

http://puu.sh/tWr8d/dec9dfe2f1.png

Exact steps for others to reproduce the error
steps: open the blend or look at the screenshot. very simple material setup. materialFail.blend

**System Information** Win7, GTX1070 **Blender Version** Broken: 2.78b Worked: 2.78a Using the Light Path node as a final mix factor breaks the viewport material view. http://puu.sh/tWr8d/dec9dfe2f1.png **Exact steps for others to reproduce the error** steps: open the blend or look at the screenshot. very simple material setup. [materialFail.blend](https://archive.blender.org/developer/F482048/materialFail.blend)
Author

Changed status to: 'Open'

Changed status to: 'Open'
Author

Added subscriber: @ShaunKreider

Added subscriber: @ShaunKreider
shaun kreider changed title from Light Path as Mix Shader Factor Breaks Viewport Material View to 2.78b - Light Path as Mix Shader Factor Breaks Viewport Material View 2017-02-10 08:05:37 +01:00

Added subscriber: @italic

Added subscriber: @italic

I'm also seeing the same result and have bisected to d6cf28c5e1

I'm also seeing the same result and have bisected to d6cf28c5e1
Sergey Sharybin was assigned by Bastien Montagne 2017-02-10 12:34:44 +01:00

Changed status from 'Open' to: 'Resolved'

Changed status from 'Open' to: 'Resolved'

This is not a bug in master now. just unfortunate thing happened and fix for that did not make it 2.78b :(

This is not a bug in master now. just unfortunate thing happened and fix for that did not make it 2.78b :(

Added subscriber: @Harvester

Added subscriber: @Harvester

The same here with the official 2.78b portable version (see below)
T50641_278b_test.jpg
and this is with the 2.78a version
T50641_278a_test.jpg

System configuration: Windows 10 Pro 64bit, i7-6820HK @2,7GHz, 32GB RAM, Nvidia GeForce GTX1070 8GB VRAM

P.S.: Ah, OK Sergey. Then disregard this comment.

The same here with the official 2.78b portable version (see below) ![T50641_278b_test.jpg](https://archive.blender.org/developer/F482241/T50641_278b_test.jpg) and this is with the 2.78a version ![T50641_278a_test.jpg](https://archive.blender.org/developer/F482243/T50641_278a_test.jpg) System configuration: Windows 10 Pro 64bit, i7-6820HK @2,7GHz, 32GB RAM, Nvidia GeForce GTX1070 8GB VRAM P.S.: Ah, OK Sergey. Then disregard this comment.
Author

Does this mean that its going to be left in the official 2.78b release on the download page? light-paths nodes are used all the time. that kinda hurts the new viewport.

Does this mean that its going to be left in the official 2.78b release on the download page? light-paths nodes are used all the time. that kinda hurts the new viewport.

What stays in 2.78b stays in 2.78b. That is just given flow of time which we can not revert backwards. Surely it is annoying, but for the time being you can always roll back to 2.78a.

We'll be deciding whether we do an update of 2.78b on the Sunday developer meeting.

What stays in 2.78b stays in 2.78b. That is just given flow of time which we can not revert backwards. Surely it is annoying, but for the time being you can always roll back to 2.78a. We'll be deciding whether we do an update of 2.78b on the Sunday developer meeting.
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Reference: blender/blender#50641
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