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Detailed Lighting Buffer plus others not working

Hi, I'm having a problem with the details lighting buffer (view mode) not working correctly on a small test scene (New Project, third person blueprints) that I'm using to build my materials in. When I'm in 'editor view' All I'm getting is flat grey when using this buffer. I also only see flat grey when using the reflections buffer and solid black when using Lighting complexity buffer. The final and lit buffers look fine and are rendering reflections, surface detail, etc. The strange thing is that when I'm in 'game view' the all of buffers work fine, including the detailed lighting, reflections and lighting complexity. There are only a couple of assets in the scene and I have not really changed to many project settings at this point. If I export my assets to a different project then all works fine. Any idea what might be causing this? I have come across buffer visualization issues before and they were fixed by transferring my levels and assets into a new project. Obviously this is something that I can do at this early stage in development, but it's not something that I want to do further down the line, so It would be great to understand that the issue is. I have attached screen grabs of the detailed lighting buffer in both gave view and editor view to illustrate the problem. I'm currently using UE4 4.3.1 Many thanks, Matt.

Detailed lighting buffer in game view

alt text

Detailed lighting buffer in editor View alt text

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asked Aug 05 '14 at 11:24 AM in Rendering

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Matt_Cooke
181 8 8 17

avatar image Lovecraft_K ♦♦ STAFF Aug 05 '14 at 08:15 PM

Hey Matt_Cooke -

Can I ask what type of lighting setup do you have in your test level? Is it just a directional light? Are your lights set to Static, Stationary or Movable?

Thank You

Eric Ketchum

avatar image Matt_Cooke Aug 05 '14 at 08:31 PM

Hi Eric, Thanks for replying. At the moment I'm simply using the default lighting, which is a stationary directional light. Thanks. Matt

avatar image Lovecraft_K ♦♦ STAFF Aug 05 '14 at 08:46 PM

Hey Matt -

Can you open your project and in Enter Console Commands type "stat lightrendering" and "stat scenerendering" separately and without the quotation marks and upload a screenshot of the results.

Thank You

Eric Ketchum

avatar image Matt_Cooke Aug 05 '14 at 10:08 PM

Hi Eric, Is this what you mean? Thanks in advance. Matt

alt text

consolecommands.jpg (351.1 kB)
avatar image Lovecraft_K ♦♦ STAFF Aug 06 '14 at 01:56 PM

Yes that is what I was referring to but you can also enter them in without PIE. So just setting in editor go to the upper right corner and enter it into the Enter Console Command text field. The same (or slightly different) information and formatting should appear but you should still be in the editor view.

Thanks and sorry for the confusion

Eric Ketchum

avatar image Matt_Cooke Aug 06 '14 at 02:23 PM

I see, my mistake. I didn't know that Console was there until now! glad that I do now though. Anyway, as you can see I get some strange results. The Final Image buffer is also corrupt. In game mode all is well, but in editor view it almost gives me what appears to be an unlit result!

Looks okay in Game mode: alt text

No results in Editor Mode: alt text

avatar image Lovecraft_K ♦♦ STAFF Aug 06 '14 at 02:51 PM

Hey Matt_Cooke -

If you apply one of the included Materials from the Starter content into your level are you seeing the normals render? Could you post a screenshot side by side comparison?

Thank You I am trying to narrow down where the issue is stemming.

Eric Ketchum

avatar image Matt_Cooke Aug 06 '14 at 03:08 PM

I have applied one of the starter materials to the further model and get the same results. this time I have attached the Final buffer visualization. Let me know if you want to see any other of the frame buffers? Thanks

Final Buffer Game mode alt text

Final Buffer Editor mode alt text

avatar image Matt_Cooke Aug 06 '14 at 04:51 PM

HI Eric, strangely, I think this issue could possibly have something to do with Mesh painting. I was trying out the shading network that you suggested to me on my other question thread about mesh painting: https://answers.unrealengine.com/questions/79471/vertex-paint-with-rgb-and-alpha.html I was painting using the final image buffer, when I switched between game and edit mode, after looking through the individual R, G, B and A views in the paint tool. Now this frame buffer looks like the image above in both modes rather than only in the edit view. And thinking back on it, this problem has only arisen during the time that I have been trying to use mesh painting. Anyway, I thought that there might possibly be a connection and that you should be made aware of it. Thanks, Matt

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3 answers: sort voted first

Hello everyone -

In the editor Viewport select Show > Use Defaults

This resets all show flags and fixes the problem (You will have to do this each time you use the vertex paint View).

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answered Aug 27 '15 at 04:55 PM

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zombiethatatehimself
131 5 6 10

avatar image Matt_Cooke Aug 27 '15 at 05:05 PM

Hi zombiethatatehimself, Thanks for sharing. It works! What a strange bug... Best wishes,

Matt

avatar image synthure Sep 18 '17 at 10:06 PM

thanks for this. ran into this issue recently

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Hey Matt_Cooke -

Great catch. There is indeed a bug with the vertex painting and the detail lighting mode in editor. I have alerted our engineers to it and hopefully we will get a fix in soon, but I don't currently have a time table for it.

To clarify, the bug is after painting anything with vertex colors, the detail lighting viewmode will no longer render normals.

Thank You and I will keep you informed as we work on a solution.

Eric Ketchum

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answered Aug 07 '14 at 03:11 PM

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Lovecraft_K ♦♦ STAFF
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avatar image Matt_Cooke Aug 07 '14 at 03:17 PM

Thanks Eric, I believe that this may have been the cause of the strange behavior will all of the aforementioned buffers (detailed lighting, etc.) Please do let me know when you have a fix for this. Best wishes, Matt

avatar image Matt_Cooke Aug 08 '14 at 05:32 PM

Hi Eric,

Just a little update on this. I created a new project and started setting up a new mesh paint material. so far so good, all buffers working as expected. Upon selecting to view the 'RGB' visualization on the mesh paint tool and then going back to 'none', my buffers were once again broken. This bug affects the following frame buffers in Editor view: Wireframe, Detailed lighting, Lighting only, Lighting Complexity, Final image, Separate translucency RGB, and ambient occlusion! I hope that the dev team can fix this one, as it's making mesh painting a pretty big problem. Best wishes,

Matt

avatar image tharmine Mar 11 '15 at 07:49 AM

Any update on this? I have the same issue and it seems to affect the Lighmap rendering on movable objects too. https://answers.unrealengine.com/questions/187167/station-light-on-movabledestructible-objects.html

avatar image fourche13 Mar 11 '15 at 04:56 PM

Same problem here. And this issue corrupt the entire project, not just the level. So I duplicated the project in order to fix the issue....temporarly.

Could you give us some update on this ?

Thanks in advance.

avatar image Lovecraft_K ♦♦ STAFF Mar 13 '15 at 11:07 PM

Hello everyone -

This issue is still currently assigned to an engineer and is being worked on. Unfortunately it is still currently backlogged. I have added the additional interest in getting it fix to the report.

Thank You

Eric Ketchum

avatar image Matt_Cooke Mar 14 '15 at 04:36 PM

Thanks for the update Eric. Hopefully it will get fixed for the next stable build. Best wishes, Matt.

avatar image joshezzell Mar 17 '15 at 05:09 AM

I can confirm that this issue completely corrupts the project you are working on. I hope a fix comes soon.

avatar image Lovecraft_K ♦♦ STAFF Mar 17 '15 at 02:25 PM

Hey joshezzell -

This issue should not corrupt a project. Can you upload a copy of your corrupted project for testing? If you need to keep it private please feel free to message me on the forums.

Thank You

Eric Ketchum

avatar image Matt_Cooke Mar 18 '15 at 09:43 PM

Hi Eric, I too had to create a brand new project to get rid of this issue. It's been a while, but I do not recall being able to solve the problem by simply creating a new map.

avatar image Lovecraft_K ♦♦ STAFF Mar 19 '15 at 02:12 PM

Hello -

My apologies I read joshezzell's comment as it corrupts, as in makes unusable, the project. I do understand that the Detail Lighting Visualization Buffer becomes corrupt but the main pass rendering of the normals does not change. Unfortunately this is why this particular issue has been backlogged by our engineers currently. I have updated the issue information including the newest report and increased the community interest in this issue.

Again, I will keep you all informed as I learn more information.

Thank You

Eric Ketchum

avatar image Matt_Cooke Jul 16 '15 at 03:39 PM

Hi Eric,

Just checking in to see if there has been any update on this issue? Best wishes,

Matt

avatar image Lovecraft_K ♦♦ STAFF Jul 16 '15 at 04:10 PM

Hi Matt -

Unfortunately it is still backlogged in our system (for reference it is UE-3598). I have added additional information and bumped community interest again. If i hear anything further I will let you know

Thank You -

Eric Ketchum

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This is still a bug in 4.16.

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answered Jul 13 '17 at 08:16 PM

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Shirk
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