Numerous problems with Eevee and new Bump Map #70611

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opened 2019-10-07 17:20:51 +02:00 by Alex · 9 comments

Alex commented

2019-10-07 17:20:51 +02:00

System Information
Intel Core i7, 16 Gb RAM, NVidia GeForce RTX 2070
Windows 10 x64

Blender Version
Broken: 2.81 54a9649e26 from 2019-10-06
Worked: 2.81 f3a4f12ac0 from 2019-09-08

Short description of error
As far as I can see, something was changed in Blender Bump and it looks like that change introduced numerous problems:

Lights behave very strangely and look wrong. Notice the wrong hightlight and lack of shading on the left side of the plane.
Mixing shader nodes became problematic - in some cases mixed material becomes significantly darker and sometimes Bump stops working on large Height values.
Overly darkened Ambient Occlusion where objects with Bump visually or physically overlap each other.
Contact Shadows doesn't seem to work in some cases.
And several other assorted problems.

Exact steps for others to reproduce the error
Take a look at my render or open provided test file and set it to Rendered view.

NewBumpProblems.blend

**System Information** Intel Core i7, 16 Gb RAM, NVidia GeForce RTX 2070 Windows 10 x64 **Blender Version** Broken: 2.81 54a9649e2636 from 2019-10-06 Worked: 2.81 f3a4f12ac090 from 2019-09-08 **Short description of error** As far as I can see, something was changed in Blender Bump and it looks like that change introduced numerous problems: 1. Lights behave very strangely and look wrong. Notice the wrong hightlight and lack of shading on the left side of the plane. 2. Mixing shader nodes became problematic - in some cases mixed material becomes significantly darker and sometimes Bump stops working on large Height values. 3. Overly darkened Ambient Occlusion where objects with Bump visually or physically overlap each other. 4. Contact Shadows doesn't seem to work in some cases. And several other assorted problems. **Exact steps for others to reproduce the error** Take a look at my render or open provided test file and set it to Rendered view. ![WrongNewBump.png](https://archive.blender.org/developer/F7794791/WrongNewBump.png) [NewBumpProblems.blend](https://archive.blender.org/developer/F7794793/NewBumpProblems.blend)

Alex commented

2019-10-07 17:20:51 +02:00

Author

Added subscriber: @SpectreFirst

Added subscriber: @SpectreFirst

blender-admin commented

2019-10-07 17:20:51 +02:00

#70644 was marked as duplicate of this issue

#70644 was marked as duplicate of this issue

Nahuel Belich commented

2019-10-09 15:01:16 +02:00

Added subscriber: @NahuelBelich

Added subscriber: @NahuelBelich

Nahuel Belich commented

2019-10-09 15:01:16 +02:00

can confirm the error, using 40a55be82c win 7 x64 - gtx 1070 Drv: 430.86

can confirm the error, using 40a55be82cf5 win 7 x64 - gtx 1070 Drv: 430.86

Germano Cavalcante commented

2019-10-09 16:18:00 +02:00

Member

Added subscriber: @mano-wii

Added subscriber: @mano-wii

Clément Foucault was assigned by Germano Cavalcante

2019-10-09 16:18:00 +02:00

Germano Cavalcante commented

2019-10-09 16:18:00 +02:00

Member

I can confirm that the result of the bump in the attached file matches better Cycles in Blender 2.80

I can confirm that the result of the bump in the attached file matches better Cycles in Blender 2.80

Germano Cavalcante commented

2019-10-09 21:38:48 +02:00

Member

Added subscribers: @Likkez-2, @EAW

Added subscribers: @Likkez-2, @EAW

Clément Foucault commented

2019-10-09 23:43:10 +02:00

Member

The issue is caused by the texture being used by the bump tree and the rest of the tree. Digging deeper...

The issue is caused by the texture being used by the bump tree and the rest of the tree. Digging deeper...

Clément Foucault commented

2019-10-10 00:23:28 +02:00

Member

Closed as duplicate of #70614

Closed as duplicate of #70614

Clément Foucault closed this issue

2019-10-10 00:23:28 +02:00

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Animation & Rigging

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EEVEE & Viewport

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Nodes & Physics

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Reference: blender/blender#70611

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