Burned Out Screen Space Reflections in Eevee Viewport - Nvidia GT 750M #63083

New Issue

Zoltán András Heiner · 2019-03-29T11:41:01+01:00

2019-03-29 11:41:01 +01:00

System Information
Operating system: macOS 10.14.3
Graphics card: NVIDIA GeForce GT 750M 1024 MB

Blender Version
Broken: 2.90.0
Worked: 2.79

Short description of error
In some cases I detected that the Screen Space Reflections in Eevee Viewport gets out of control.
A few seconds after switching to the viewport (even when viewport samples are set to 1) the issue kicks in and – as the sampling continues – an increasing percentage of the reflections get totally white.

The renders are correct.
Surfaces affected by reflection planes are correct.
Hiding the chandeliers meshes solves the problem. Switch tab and back for this to work.

I was able to strip down the scene and identify the source of the problem: Originally I set up the glass material with "multiply" blending. This was converted (when opened with belnder 2.82 alpha) to a "Shader to RGB" and a "Transparent BSDF" node. [1]

The "Shader to RGB" causes the problem in 2.82.
The "multiply" blending of the material causes it in 2.8.

Exact steps for others to reproduce the error
Open the attached file.
Switch to LookDev or Rendered viewport.
Wait.

Chandelier.blend

**System Information** Operating system: macOS 10.14.3 Graphics card: NVIDIA GeForce GT 750M 1024 MB **Blender Version** Broken: 2.90.0 Worked: 2.79 **Short description of error** In some cases I detected that the Screen Space Reflections in Eevee Viewport gets out of control. A few seconds after switching to the viewport (even when viewport samples are set to 1) the issue kicks in and – as the sampling continues – an increasing percentage of the reflections get totally white. ![Screenshot.png](https://archive.blender.org/developer/F6898196/Screenshot.png) The renders are correct. Surfaces affected by reflection planes are correct. Hiding the chandeliers meshes solves the problem. Switch tab and back for this to work. I was able to strip down the scene and identify the source of the problem: Originally I set up the glass material with "multiply" blending. This was converted (when opened with belnder 2.82 alpha) to a "Shader to RGB" and a "Transparent BSDF" node. [1] The "Shader to RGB" causes the problem in 2.82. The "multiply" blending of the material causes it in 2.8. **Exact steps for others to reproduce the error** Open the attached file. Switch to LookDev or Rendered viewport. Wait. [Chandelier.blend](https://archive.blender.org/developer/F8259890/Chandelier.blend)

Zoltán András Heiner commented

2019-03-29 11:41:01 +01:00

Added subscriber: @Andari

Joel Araújo commented

2019-04-21 10:07:16 +02:00

Added subscriber: @Joelino

Joel Araújo commented

2019-04-21 10:07:16 +02:00

I have exactly the same problem. When I activate SSR, all reflections from reflections objects get all of control. Makes the exact same thing in the image you posted and usualy the "burned" effect is black.

But here is the kicker: I opened your file and is all good here. Go figure

I have exactly the same problem. When I activate SSR, all reflections from reflections objects get all of control. Makes the exact same thing in the image you posted and usualy the "burned" effect is black. But here is the kicker: I opened your file and is all good here. Go figure

Marco commented

2019-05-14 14:01:30 +02:00

Added subscriber: @nacioss

Marco commented

2019-05-14 14:01:30 +02:00

I can't reproduce in Ubuntu 18.04.2 using the 2019-05-13 2.8 build

I can't reproduce in Ubuntu 18.04.2 using the 2019-05-13 2.8 build ![Schermata da 2019-05-14 14-00-14.jpg](https://archive.blender.org/developer/F7036250/Schermata_da_2019-05-14_14-00-14.jpg)

Sebastian Parborg commented

2019-06-11 11:52:31 +02:00

Added subscriber: @ZedDB

Sebastian Parborg commented

2019-06-11 11:52:31 +02:00

Is this still an issue?

Zoltán András Heiner commented

2019-06-24 13:10:10 +02:00

Yes, it is. :S

Daniel Bystedt commented

2019-12-23 23:18:29 +01:00

Added subscriber: @DanielBystedt

Daniel Bystedt commented

2019-12-23 23:18:29 +01:00

I can't reproduce this issue on my computer

System Information
Operating system: Windows-10-10.0.17763-SP0 64 Bits
Graphics card: GeForce GTX 1080/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 432.00

Blender Version
Broken: version: 2.82 (sub 6), branch: master, commit date: 2019-12-23 08:34, hash: 708045eb40

I can't reproduce this issue on my computer **System Information** Operating system: Windows-10-10.0.17763-SP0 64 Bits Graphics card: GeForce GTX 1080/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 432.00 **Blender Version** Broken: version: 2.82 (sub 6), branch: master, commit date: 2019-12-23 08:34, hash: `708045eb40` ![image.png](https://archive.blender.org/developer/F8241426/image.png)

Richard Antalik commented

2020-01-02 02:26:32 +01:00

Added subscriber: @iss

Richard Antalik commented

2020-01-02 02:26:32 +01:00

Changed status from 'Needs Developer To Reproduce' to: 'Needs User Info'

Richard Antalik commented

2020-01-02 02:26:32 +01:00

I cannot reproduce this with either the latest stable or current development versions of Blender:

Please try the latest daily build: https://builder.blender.org/download/

Go to File → Defaults → Load Factory Settings and then load your file to see if you still can reproduce this issue.
If the problem persists, please give us more clear instructions on how to reproduce it from scratch.

I cannot reproduce this with either the latest stable or current development versions of Blender: Please try the latest daily build: https://builder.blender.org/download/ Go to File → Defaults → Load Factory Settings and then load your file to see if you still can reproduce this issue. If the problem persists, please give us more clear instructions on how to reproduce it from scratch.

Zoltán András Heiner commented

2020-01-04 19:18:51 +01:00

Hi!

I still have the bug. I was able to strip down the scene and identify the source of the problem: Originally I set up the glass material with "multiply" blending. This was converted (when opened with belnder 2.82 alpha) to a "Shader to RGB" and a "Transparent BSDF" node. [1]

The "Shader to RGB" causes the problem in 2.82.
The "multiply" blending of the material causes it in 2.8.

I realized that using "multiply" was not the best way to achieve what I wanted, so this is no longer a big issue for me.

Theory:
The issue sound like a float overflow of a framebuffer attachment:
It gets +inf on my machine, which supports it
It gets NaN on Joel Araújo's machine.

: Note that this conversion is not corrent:
It should be "Shader to RGB" -> "Invert Color" -> "Transparent BSDF" (Glass 2 in the attached File).
It should use a "Mix Shader" with "Is Camera Ray" for better Cycles compatibility.

Chandelier.blend

Hi! I still have the bug. I was able to strip down the scene and identify the source of the problem: Originally I set up the glass material with "multiply" blending. This was converted (when opened with belnder 2.82 alpha) to a "Shader to RGB" and a "Transparent BSDF" node. [1] The "Shader to RGB" causes the problem in 2.82. The "multiply" blending of the material causes it in 2.8. I realized that using "multiply" was not the best way to achieve what I wanted, so this is no longer a big issue for me. Theory: The issue sound like a float overflow of a framebuffer attachment: It gets +inf on my machine, which supports it It gets NaN on Joel Araújo's machine. - [x]: Note that this conversion is not corrent: It should be "Shader to RGB" -> "Invert Color" -> "Transparent BSDF" (Glass 2 in the attached File). It should use a "Mix Shader" with "Is Camera Ray" for better Cycles compatibility. [Chandelier.blend](https://archive.blender.org/developer/F8259890/Chandelier.blend)

Richard Antalik commented

2020-01-05 21:24:23 +01:00

Changed status from 'Needs User Info' to: 'Needs Developer To Reproduce'

Richard Antalik commented

2020-01-05 21:24:23 +01:00

Thanks for new info!

I still don't see an issue here, though it may be platform issue.

Thanks for new info! I still don't see an issue here, though it may be platform issue.

Jacques Lucke commented

2020-02-12 12:29:30 +01:00

Added subscriber: @JacquesLucke

Jacques Lucke commented

2020-02-12 12:29:30 +01:00

Changed status from 'Needs Developer To Reproduce' to: 'Needs User Info'

Jacques Lucke commented

2020-02-12 12:29:30 +01:00

@Andari Can you make a screenshot of the new file (so we have something to compare against)?
It looks fine for me on Ubuntu.

@Andari Can you make a screenshot of the new file (so we have something to compare against)? It looks fine for me on Ubuntu.

Bastien Montagne commented

2020-02-24 12:55:07 +01:00

Added subscriber: @mont29

Bastien Montagne commented

2020-02-24 12:55:07 +01:00

Changed status from 'Needs User Info' to: 'Archived'

Bastien Montagne closed this issue

2020-02-24 12:55:07 +01:00

Bastien Montagne self-assigned this 2020-02-24 12:55:07 +01:00

Bastien Montagne commented

2020-02-24 12:55:07 +01:00

More than a week of inactivity, closing for now (we can always re-open should requested info be provided).

Zoltán András Heiner commented

2020-02-24 15:44:15 +01:00

Hi!

Sorry for the delay, I don't have much time nowdays. Here are two screenshots made with a fresh build from builder.blender.org. One with "Convert to RGB" and another with that node removed:

Hi! Sorry for the delay, I don't have much time nowdays. Here are two screenshots made with a fresh build from builder.blender.org. One with "Convert to RGB" and another with that node removed: ![01.png](https://archive.blender.org/developer/F8366505/01.png) ![02.png](https://archive.blender.org/developer/F8366506/02.png)

Richard Antalik commented

2020-02-24 15:47:14 +01:00

Changed status from 'Archived' to: 'Needs Developer To Reproduce'

Richard Antalik reopened this issue

2020-02-24 15:47:14 +01:00

Bastien Montagne removed their assignment 2020-02-24 16:51:23 +01:00

Bastien Montagne commented

2020-02-24 16:51:55 +01:00

Please remove the automatically-assigned-on-close assignee when re-opening a bug...

Sebastián Barschkis commented

2020-02-24 17:04:06 +01:00

Added subscriber: @sebbas

Sebastián Barschkis commented

2020-02-24 17:04:06 +01:00

Cannot reproduce the issue on my OSX system (but without NVIDIA card).

Marco commented

2020-02-24 17:04:49 +01:00

Removed subscriber: @nacioss

Clément Foucault commented

2020-06-23 23:02:01 +02:00

Added subscriber: @fclem

Clément Foucault commented

2020-06-23 23:02:01 +02:00

Is this still happening in 2.83 and/or 2.90 alpha?

Zoltán András Heiner commented

2020-07-02 09:17:32 +02:00

Yes, still the same in both 2.83.1 and 2.90.0.

Robert Guetzkow commented

2020-11-23 12:10:02 +01:00

Added subscriber: @rjg

Robert Guetzkow commented

2020-11-23 12:10:02 +01:00

@fclem This ticket has been tagged as Bug but not confirmed, where you able to reproduce the issue?

@fclem This ticket has been tagged as *Bug* but not confirmed, where you able to reproduce the issue?

Richard Antalik changed title from ~~Burned Out Screen Space Reflections in Eevee Viewport~~ to Burned Out Screen Space Reflections in Eevee Viewport - Nvidia GT 750M

2020-11-25 15:23:04 +01:00

Richard Antalik commented

2020-11-25 15:25:36 +01:00

@Andari I am updating old reports so they are more searchable, and I want to ask if this is still issue for you.

Zoltán András Heiner commented

2020-11-26 15:37:05 +01:00

Yes, I can still reproduce it.

Philipp Oeser removed the

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Burned Out Screen Space Reflections in Eevee Viewport - Nvidia GT 750M #63083