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Description

Blender internal renderer and general rendering pipeline.

Module Owners: @Brecht Van Lommel (brecht)
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Recent Activity

Today

Brecht Van Lommel (brecht) closed T66111: Animated light size not updating in Cycles rendered view as Resolved by committing rB4f386999ea92: Fix T66111: animated lights not updating in Cycles.
Wed, Jun 26, 3:07 PM · Cycles, Dependency Graph, Animation, Rendering, BF Blender
Philipp Oeser (lichtwerk) added projects to T66111: Animated light size not updating in Cycles rendered view: Rendering, Animation, Dependency Graph, Cycles.

Can confirm this, same is true for Color and Power.

Wed, Jun 26, 12:48 PM · Cycles, Dependency Graph, Animation, Rendering, BF Blender

Thu, Jun 20

Alex Strand (astrand130) added a comment to D4971: added emission strength to the principled BSDF node..

Apologies for the inactivity. I've been dealing with classes. Once 2.80 releases I'll make sure to get the backwards compatibility finished and address any remaining issues so it can make it into 2.81.

Thu, Jun 20, 7:15 PM · Nodes, Rendering, Cycles, Eevee

Mon, Jun 17

Philipp Oeser (lichtwerk) closed T65864: Baking with Eevee as Invalid.

Nice idea :), not sure how to proceed with this though, I guess it would be better to post this to BA or rightclickselect or https://devtalk.blender.org/ first?
(Or possibly do a diff here? https://developer.blender.org/differential/diff/create/).

Mon, Jun 17, 2:12 PM · Rendering, Eevee

Sun, Jun 16

Joseph Eagar (joeedh) created T65864: Baking with Eevee .
Sun, Jun 16, 10:17 PM · Rendering, Eevee
Korbinian Weber (whitecloudFX) added a comment to T59299: Recognizing too much GPU's.

EDIT: Just uninstalled all the drivers for the GPUs and did two rounds of clean-ups using Guru3Ds DisplayDriverUninstaller in Safemode and things work again. Seemed to be an issue on my end, works again right now.

Sun, Jun 16, 6:13 PM · Rendering, Cycles, BF Blender
Korbinian Weber (whitecloudFX) added a comment to T59299: Recognizing too much GPU's.

I have the same issue in Blender 2.8, 0fd96b4128ff
I have 4 GPUs installed but blender shows 8 GPUS.

Sun, Jun 16, 11:55 AM · Rendering, Cycles, BF Blender

Thu, Jun 13

Brecht Van Lommel (brecht) added a comment to T61320: 2.8 test.

The GPU usage in the performance monitor does not count the kind of GPU compute usage that Cycles does.

Thu, Jun 13, 10:43 AM · Rendering, BF Blender
Craig (Cx2) added a comment to T61320: 2.8 test.

Sorry but I think I should have done a better job; Blender is not fully using the GPU in both versions and that’s why the CPU and GPU times are so close.
The reason I said it was is because I looked at the Nvidia icon in the taskbar tray that says it is but when I look at the performance monitor it only indicates 3% GPU usage on both 2.79 and 2.8.
The reason I have not picked up on this before is because I do not use this machine for rendering, I use my tower which has a GTX card.

Thu, Jun 13, 10:38 AM · Rendering, BF Blender

Wed, Jun 12

Brecht Van Lommel (brecht) closed T61320: 2.8 test as Archived.

Those render times are better in 2.80, so I see no bug then.

Wed, Jun 12, 10:50 AM · Rendering, BF Blender
Craig (Cx2) added a comment to T61320: 2.8 test.

I used a basic cube without any materials or lighting effects to simplify the test, I checked that Blender is using the GPU during the tests, should we not be seeing better GPU times?

Wed, Jun 12, 10:47 AM · Rendering, BF Blender

Tue, Jun 11

Sebastian Parborg (zeddb) closed T54890: OpenGL render in conjunction with JACK and "AV Sync" causes progressive slow down as Resolved.
Tue, Jun 11, 9:30 AM · Rendering, BF Blender

Fri, Jun 7

Brecht Van Lommel (brecht) removed a member for Rendering: Ton Roosendaal (ton).
Fri, Jun 7, 1:43 PM
Brecht Van Lommel (brecht) edited Description on Rendering.
Fri, Jun 7, 1:43 PM
Casey Connor (clepsydrae) added a comment to T54890: OpenGL render in conjunction with JACK and "AV Sync" causes progressive slow down.

I can not reproduce this in 2.80, so it's probably safe to close (unless 2.79 bugs are still considered valid?)

Fri, Jun 7, 1:59 AM · Rendering, BF Blender

Thu, Jun 6

Brecht Van Lommel (brecht) added a comment to T61320: 2.8 test.

When comparing render times, please attach a .blend file created in 2.79b. Then render that same .blend file in 2.79b and 2.80, and tell us the render time for CPU and GPU.

Thu, Jun 6, 5:16 PM · Rendering, BF Blender
Craig (Cx2) added a comment to T61320: 2.8 test.

Not completely, I’m still getting an 18 second longer cycles render time with 2.8 when tested side by side against 2.79b.
It has improved dramatically though.

Thu, Jun 6, 5:10 PM · Rendering, BF Blender
Sebastian Parborg (zeddb) added a comment to T61320: 2.8 test.

So it is fixed?

Thu, Jun 6, 3:19 PM · Rendering, BF Blender
Craig (Cx2) added a comment to T61320: 2.8 test.

I’ve just downloaded and done a fresh 2.8 install and the same test recorded these results.

Thu, Jun 6, 3:05 PM · Rendering, BF Blender
Sebastian Parborg (zeddb) triaged T61320: 2.8 test as Needs Information from User priority.

Is this still an issue?

Thu, Jun 6, 12:53 PM · Rendering, BF Blender
Sebastian Parborg (zeddb) triaged T54890: OpenGL render in conjunction with JACK and "AV Sync" causes progressive slow down as Waiting for Developer to Reproduce priority.

I don't think any of the core devs is runing JACK. So it might take a while until this is looked on.

Thu, Jun 6, 12:12 PM · Rendering, BF Blender

Sun, Jun 2

Richard Antalik (ISS) closed T59965: Render Preview disappears as Archived.

I remember this working in 2.79.

Sun, Jun 2, 12:26 AM · User Interface, Rendering, Video Sequencer, BF Blender

Sat, Jun 1

Alex Strand (astrand130) added a comment to D4971: added emission strength to the principled BSDF node..

It's possible to initialize the strength to 1 only if the color is black. See versioning_cycles.c, there's other code there that does this kind of versioning patches for nodes.

Sat, Jun 1, 12:08 AM · Nodes, Rendering, Cycles, Eevee

Fri, May 31

Brecht Van Lommel (brecht) added a comment to D4971: added emission strength to the principled BSDF node..

It's possible to initialize the strength to 1 only if the color is black. See versioning_cycles.c, there's other code there that does this kind of versioning patches for nodes.

Fri, May 31, 11:57 PM · Nodes, Rendering, Cycles, Eevee
Carlo Andreacchio (candreacchio) added a comment to D4971: added emission strength to the principled BSDF node..

Can i suggest that the default values follow what the SubSurface inputs are? the emission strength would be 0 and the default emission colour be white (instead of the inverse?)

That might have been the ideal way to do it, unfortunately I'm afraid that could break older files that only use the emission Color, when the emission strength would default to 0 the material would lack emission. And since this feature seems to be coming post 2.80 that would probably be a much bigger deal then if that change was made during the beta.

Fri, May 31, 7:47 AM · Nodes, Rendering, Cycles, Eevee
Alex Strand (astrand130) added a comment to D4971: added emission strength to the principled BSDF node..

Can i suggest that the default values follow what the SubSurface inputs are? the emission strength would be 0 and the default emission colour be white (instead of the inverse?)

Fri, May 31, 7:44 AM · Nodes, Rendering, Cycles, Eevee

Thu, May 30

Carlo Andreacchio (candreacchio) added a comment to D4971: added emission strength to the principled BSDF node..

Can i suggest that the default values follow what the SubSurface inputs are? the emission strength would be 0 and the default emission colour be white (instead of the inverse?)

Thu, May 30, 11:37 PM · Nodes, Rendering, Cycles, Eevee
Alex Strand (astrand130) added inline comments to D4971: added emission strength to the principled BSDF node..
Thu, May 30, 3:31 AM · Nodes, Rendering, Cycles, Eevee

Wed, May 29

Alex Strand (astrand130) updated the diff for D4971: added emission strength to the principled BSDF node..

After some troubleshooting I just did a fresh installation of the blender source and applied the patches.

Wed, May 29, 9:43 PM · Nodes, Rendering, Cycles, Eevee
Alex Strand (astrand130) updated the diff for D4971: added emission strength to the principled BSDF node..

oops accidentally replaced the entire diff. (I don't know how to use git, sorry let me figure this out.)

Wed, May 29, 7:33 PM · Nodes, Rendering, Cycles, Eevee
Alex Strand (astrand130) updated the diff for D4971: added emission strength to the principled BSDF node..

Fixed hard-coded socket indices.

Wed, May 29, 7:32 PM · Nodes, Rendering, Cycles, Eevee
Brecht Van Lommel (brecht) requested changes to D4971: added emission strength to the principled BSDF node..

No, we don't make exceptions, we were already supposed to freeze in mid May.

Wed, May 29, 6:28 PM · Nodes, Rendering, Cycles, Eevee
Bohdan Lvov (ostapblender) added a comment to D4971: added emission strength to the principled BSDF node..

This is a good improvement, we can add it to 2.81.

Wed, May 29, 5:01 PM · Nodes, Rendering, Cycles, Eevee
Brecht Van Lommel (brecht) accepted D4971: added emission strength to the principled BSDF node..

This is a good improvement, we can add it to 2.81.

Wed, May 29, 12:12 PM · Nodes, Rendering, Cycles, Eevee
Sergey Sharybin (sergey) closed T58251: Blender ignores linked meshes when rendering in Cycles as Resolved by committing rB2f7711962a69: Fix T58251: Cycles ignores linked meshes when rendering.
Wed, May 29, 10:51 AM · BF Blender, Rendering, Cycles
Alex Strand (astrand130) retitled D4971: added emission strength to the principled BSDF node. from I added emission strength to the principled BSDF node. to added emission strength to the principled BSDF node..
Wed, May 29, 6:20 AM · Nodes, Rendering, Cycles, Eevee
Alex Strand (astrand130) updated the diff for D4971: added emission strength to the principled BSDF node..

Edit: cycles socket for emission_strength default value has been updated to 1.0. (doesn't actually seem to have an effect but doing it just to be safe)

Wed, May 29, 4:56 AM · Nodes, Rendering, Cycles, Eevee
Brecht Van Lommel (brecht) closed T56145: Blender is not renderng mesh with cloth phisics as Archived.

This is indeed a known limitation, we should improve the UI here once but for now it is require to have the same level for both.

Wed, May 29, 4:32 AM · Physics, Rendering, BF Blender
Alex Strand (astrand130) created D4971: added emission strength to the principled BSDF node..
Wed, May 29, 4:14 AM · Nodes, Rendering, Cycles, Eevee
Brecht Van Lommel (brecht) added a comment to T65000: Specific File with Dynamic paint hangs on render (but renders on deleting dynamic paint canvas object).

As far as I can tell this is the subdivision surface modifier just being very slow. In the viewport it's disabled due to simplify settings.

Wed, May 29, 2:28 AM · Modifiers, BF Blender

May 24 2019

bassam kurdali (bassamk) added projects to T65000: Specific File with Dynamic paint hangs on render (but renders on deleting dynamic paint canvas object): BF Blender, Rendering, Dependency Graph.
May 24 2019, 3:19 PM · Modifiers, BF Blender

May 23 2019

Brecht Van Lommel (brecht) closed T58273: Subdivision Surface modifier is not taken to account when rendering while in edit mode as Resolved.

This appears to be working now, probably after Sergey's latest depsgraph and mesh API changes.

May 23 2019, 1:55 AM · BF Blender, Cycles, Rendering, Modifiers
Brecht Van Lommel (brecht) closed T64772: OpenCL rendering error on 32-bit as Archived.

This is an artificial setup, we are going to drop 32 bit support soon, it's not worth spending time on this.

May 23 2019, 12:14 AM · Rendering, OpenGL / GPU, Cycles, BF Blender

May 21 2019

Brecht Van Lommel (brecht) closed T64605: alpha channel error in render as Archived.

I can't reproduce the issue in the latest builds. Closing due to lack of information to reproduce the issue, we can reopen the report if more information is provided.

May 21 2019, 11:40 AM · Rendering, Eevee, BF Blender

May 17 2019

Christopher Anderssarian (Christopher_Anderssarian) created T64772: OpenCL rendering error on 32-bit.
May 17 2019, 8:35 PM · Rendering, OpenGL / GPU, Cycles, BF Blender

May 15 2019

Brecht Van Lommel (brecht) closed T37953: Separate sun lamp size as angular diameter as Resolved.
May 15 2019, 4:25 PM · BF Blender, Cycles, Quick Hacks, Rendering

May 14 2019

Marco (nacioss) triaged T64605: alpha channel error in render as Needs Information from User priority.

You are using a 2.8 build from March, we are in May and a loot of things have changed since. Please try with the latest 2.8 build from here https://builder.blender.org/download/

May 14 2019, 4:21 PM · Rendering, Eevee, BF Blender
gabriel (gatack02) added projects to T64605: alpha channel error in render : Eevee, Rendering.
May 14 2019, 3:47 PM · Rendering, Eevee, BF Blender
Brecht Van Lommel (brecht) closed T56674: Rendering with Image Texture and Normal Map nodes crash Blender. as Archived.

We did a lot of fixes and changes in OpenCL kernel compilation. Assuming this is fixed now, I can reopen if it's not the case.

May 14 2019, 1:05 AM · Platform: Windows, Cycles, Nodes, Rendering, BF Blender

May 13 2019

Brecht Van Lommel (brecht) triaged T64561: Bump Node in Cycles (Normal input) - strange result after 2.80.61 as Needs Information from User priority.

Please use the bug reporting template, and attach a .blend file to reproduce the problem.
https://developer.blender.org/maniphest/task/edit/form/1/

May 13 2019, 9:32 PM · Cycles, BF Blender