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Nodes: Compositor and Eevee renders skip implicit type conversions in some cases #54777

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opened 2018-04-23 20:36:54 +02:00 by Serge Lyatin · 16 comments
Serge Lyatin commented 2018-04-23 20:36:54 +02:00
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System Information
Win10 64bit

Blender Version
Broken: 2.79

Short description of error
RGB To BW node is active when muted

Exact steps for others to reproduce the error
Open file and render
RGB_BW.blend

**System Information** Win10 64bit **Blender Version** Broken: 2.79 **Short description of error** RGB To BW node is active when muted **Exact steps for others to reproduce the error** Open file and render [RGB_BW.blend](https://archive.blender.org/developer/F2960749/RGB_BW.blend)
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Serge Lyatin commented 2018-04-23 20:36:54 +02:00
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Added subscriber: @SergeL

Added subscriber: @SergeL
blender-admin commented 2018-04-23 20:36:54 +02:00
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#81280 was marked as duplicate of this issue

#81280 was marked as duplicate of this issue
blender-admin commented 2018-04-23 20:36:54 +02:00
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#70064 was marked as duplicate of this issue

#70064 was marked as duplicate of this issue
Ray molenkamp commented 2018-04-23 20:41:31 +02:00
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Added subscriber: @LazyDodo

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Ray molenkamp commented 2018-04-23 20:41:31 +02:00
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can confirm on windows, somehow the material view works correctly, but the actual render doesn't.

can confirm on windows, somehow the material view works correctly, but the actual render doesn't.
Philipp Oeser commented 2018-04-24 13:38:22 +02:00
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Added subscribers: @brecht, @lichtwerk

Added subscribers: @brecht, @lichtwerk
Brecht Van Lommel was assigned by Philipp Oeser 2018-04-24 13:38:22 +02:00
Philipp Oeser commented 2018-04-24 13:38:22 +02:00
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same is true for Separate RGB btw.

Had a quick look and it seems that on the blender side the internal links are set up correctly (going from color input to the value/float output), but something breaks when cycles inserts/evaluates its ConvertNode.
When the out socket type is not the same as the one linked to the input socket it seems to fail (but dont know enough of the internals here)

Also tried something like P662, but that makes things even worse... Would like to spend more time on this, but hitting my timelimit for now and would like to pass this on to @brecht?

same is true for `Separate RGB` btw. Had a quick look and it seems that on the blender side the internal links are set up correctly (going from color input to the value/float output), but something breaks when cycles inserts/evaluates its `ConvertNode`. When the out socket type is not the same as the one linked to the input socket it seems to fail (but dont know enough of the internals here) Also tried something like [P662](https://archive.blender.org/developer/P662.txt), but that makes things even worse... Would like to spend more time on this, but hitting my timelimit for now and would like to pass this on to @brecht?
Vaishnav S commented 2019-01-23 12:44:04 +01:00
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Added subscriber: @padthai

Added subscriber: @padthai
Brecht Van Lommel commented 2019-09-19 14:30:11 +02:00
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Added subscribers: @EmmanuelLORANT, @JacquesLucke, @fclem, @tomjk

Added subscribers: @EmmanuelLORANT, @JacquesLucke, @fclem, @tomjk
Brecht Van Lommel was unassigned by Dalai Felinto 2019-12-23 16:36:14 +01:00
Brecht Van Lommel changed title from RGB To BW node is active when muted to Cycles RGB To BW node is active when muted 2020-02-12 11:54:16 +01:00
Joshua Knauber commented 2020-06-25 18:37:23 +02:00
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Joshua Knauber commented 2020-06-25 18:44:05 +02:00
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I just wanted to get some focus back on this, as I just stumbled upon this and was about to report it with the Math node. As mentioned in the duplicate I think the Eevee way makes more sense and it should be the same in Cycles.

image.png

image.png

I just wanted to get some focus back on this, as I just stumbled upon this and was about to report it with the Math node. As mentioned in the duplicate I think the Eevee way makes more sense and it should be the same in Cycles. ![image.png](https://archive.blender.org/developer/F8643902/image.png) ![image.png](https://archive.blender.org/developer/F8643905/image.png)
Clément Foucault commented 2020-06-25 23:58:36 +02:00
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Removed subscriber: @fclem

Removed subscriber: @fclem
Brecht Van Lommel commented 2020-11-04 16:32:37 +01:00
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Added subscribers: @zzzzzig-2, @mano-wii

Added subscribers: @zzzzzig-2, @mano-wii
Philipp Oeser changed title from Cycles RGB To BW node is active when muted to Some Cycles nodes are active when muted (RGB To BW, Math, vector Math, Separate RGB) 2020-11-04 18:31:19 +01:00
Philipp Oeser removed the
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 label 2023-02-09 13:58:32 +01:00
Raimund Klink commented 2023-10-23 13:20:45 +02:00
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I can confirm this issue for Blender 3.0-4.0

I can confirm this issue for Blender 3.0-4.0
Iliya Katushenock commented 2024-04-17 23:18:13 +02:00
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Geometry Nodes an Cycles render behavior is correct. Even if node is muted, link and socket are displayed as data type that should be used for values. EEVEE and compositor render have this inconsistency and should be fixed.

This also is there for node group sockets (see: #120648).

Geometry Nodes an Cycles render behavior is correct. Even if node is muted, link and socket are displayed as data type that should be used for values. EEVEE and compositor render have this inconsistency and should be fixed. This also is there for node group sockets (see: #120648).
Iliya Katushenock changed title from Some Cycles nodes are active when muted (RGB To BW, Math, vector Math, Separate RGB) to Nodes: Compositor and Eevee renders skip implicit type conversions in some cases 2024-04-17 23:21:38 +02:00
Iliya Katushenock added
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Iliya Katushenock commented 2024-04-20 17:10:48 +02:00
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I added this issue in my inconsistency overview, see: #120855

I added this issue in my inconsistency overview, see: #120855
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Reference: blender/blender#54777
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