Brecht Van Lommel (brecht)
Rendering Software Engineer

Projects (15)

User Since
Jan 3 2003, 6:23 PM (738 w, 2 d)
Roles
Administrator

Recent Activity

Today

Brecht Van Lommel (brecht) added a comment to T50785: lag.

This is a bug in the automatic NVidia driver update in Windows. See the other ticket for more details, but basically you can fix it by installing the NVidia driver again.

Sun, Feb 26, 6:07 PM · BF Blender
Brecht Van Lommel (brecht) merged T50785: lag into T50650: Windows10 breaks NVidia GPUs drivers after recent update - makes Blender UI very slow.
Sun, Feb 26, 6:07 PM · Platform: Windows, BF Blender
Brecht Van Lommel (brecht) merged task T50785: lag into T50650: Windows10 breaks NVidia GPUs drivers after recent update - makes Blender UI very slow.
Sun, Feb 26, 6:07 PM · BF Blender
Brecht Van Lommel (brecht) added a comment to T50786: immense lag.

This is a bug in the automatic NVidia driver update in Windows. See the other ticket for more details, but basically you can fix it by installing the NVidia driver again.

Sun, Feb 26, 6:07 PM · BF Blender
Brecht Van Lommel (brecht) merged T50786: immense lag into T50650: Windows10 breaks NVidia GPUs drivers after recent update - makes Blender UI very slow.
Sun, Feb 26, 6:07 PM · Platform: Windows, BF Blender
Brecht Van Lommel (brecht) merged task T50786: immense lag into T50650: Windows10 breaks NVidia GPUs drivers after recent update - makes Blender UI very slow.
Sun, Feb 26, 6:07 PM · BF Blender
Mike Erwin (merwin) awarded rBe9011100f75c: Fix compiler warnings on macOS / clang / c++11. a Doubloon token.
Sun, Feb 26, 4:26 PM
Mike Erwin (merwin) awarded rB2724fad58267: OpenGL: replace gluProject and gluUnProject, and simplify surrounding code. a Doubloon token.
Sun, Feb 26, 4:25 PM
Brecht Van Lommel (brecht) committed rB2724fad58267: OpenGL: replace gluProject and gluUnProject, and simplify surrounding code. (authored by Brecht Van Lommel (brecht)).
OpenGL: replace gluProject and gluUnProject, and simplify surrounding code.
Sun, Feb 26, 12:21 AM
Brecht Van Lommel (brecht) committed rBe9011100f75c: Fix compiler warnings on macOS / clang / c++11. (authored by Brecht Van Lommel (brecht)).
Fix compiler warnings on macOS / clang / c++11.
Sun, Feb 26, 12:21 AM
Brecht Van Lommel (brecht) committed rB3cf2821f2f09: Merge branch 'master' into blender2.8 (authored by Brecht Van Lommel (brecht)).
Merge branch 'master' into blender2.8
Sun, Feb 26, 12:21 AM

Yesterday

Brecht Van Lommel (brecht) committed rB8c5826f59a37: Fix T50698: Cycles baking artifacts with transparent surfaces. (authored by Brecht Van Lommel (brecht)).
Fix T50698: Cycles baking artifacts with transparent surfaces.
Sat, Feb 25, 3:19 AM
Brecht Van Lommel (brecht) committed rB15f1072ee2e1: Fix build error with macOS / clang / c++11. (authored by Brecht Van Lommel (brecht)).
Fix build error with macOS / clang / c++11.
Sat, Feb 25, 3:19 AM
Brecht Van Lommel (brecht) closed T50698: cycles bake artifacts with transparent textures and no color option as "Resolved" by committing rB8c5826f59a37: Fix T50698: Cycles baking artifacts with transparent surfaces..
Sat, Feb 25, 3:19 AM · Cycles, BF Blender
Brecht Van Lommel (brecht) added a comment to T50698: cycles bake artifacts with transparent textures and no color option.

Fixed now, path tracing was baking transparent bounces which should not happen. Branched path already disabled it since it's handled differently for camera rays there.

Sat, Feb 25, 3:18 AM · Cycles, BF Blender
Brecht Van Lommel (brecht) added a comment to T50597: Manipulator position is wrong while editing corrective shape keys.

@Julian Eisel (Severin), see T40505 and D598 if you want to fix this.

Sat, Feb 25, 2:45 AM · User Interface, BF Blender
Brecht Van Lommel (brecht) added a comment to T50776: Blender keeps crashing every time clicking on the User preference->System or switch to cycle rendering.

In the past these kinds of crashes have been know to happen with corrupted driver installations, sometimes when there is or was an Intel or AMD driver installed on the system.

Sat, Feb 25, 2:20 AM · BF Blender
Brecht Van Lommel (brecht) added a project to T50776: Blender keeps crashing every time clicking on the User preference->System or switch to cycle rendering: BF Blender.
Sat, Feb 25, 2:19 AM · BF Blender
Brecht Van Lommel (brecht) closed T50778: Panel separation. as "Invalid".

Thanks, but this tracker is not for feature suggestions, see here for the right places to bring up such ideas:
https://wiki.blender.org/index.php/Dev:Doc/Contact#Requesting_Features

Sat, Feb 25, 2:18 AM
Brecht Van Lommel (brecht) added a comment to T50772: blender freezing all the time.

This is a bug in the automatic NVidia driver update in Windows. See the other ticket for more details, but basically you can fix it by installing the NVidia driver again.

Sat, Feb 25, 2:15 AM · BF Blender
Brecht Van Lommel (brecht) merged T50772: blender freezing all the time into T50650: Windows10 breaks NVidia GPUs drivers after recent update - makes Blender UI very slow.
Sat, Feb 25, 2:13 AM · Platform: Windows, BF Blender
Brecht Van Lommel (brecht) merged task T50772: blender freezing all the time into T50650: Windows10 breaks NVidia GPUs drivers after recent update - makes Blender UI very slow.
Sat, Feb 25, 2:13 AM · BF Blender

Fri, Feb 24

Brecht Van Lommel (brecht) added a comment to T50700: Possible NaNs with refractive BSDF.

I think D2416 would be good for this case.

Fri, Feb 24, 12:45 AM · BF Blender, Cycles
Brecht Van Lommel (brecht) added a comment to T50766: Blender Cycles baking always bake in sRGB.

Baking to a float texture and using View as Render / Save as Render should work though, just not baking directly to an sRGB byte texture.

Fri, Feb 24, 12:40 AM · Cycles, BF Blender

Sun, Feb 19

Brecht Van Lommel (brecht) edited projects for T50564: Locking view to object not working, added: BF Blender; removed BF Blender: Unconfirmed.
Sun, Feb 19, 12:14 AM · BF Blender, Platform: Mac OS X
Brecht Van Lommel (brecht) added a comment to T50564: Locking view to object not working.

I unified the view panning code now so it behaves the same with scrolling and dragging the middle mouse button (and the trackpad). If there's other inconsistencies we'll need to know the specific operation done.

Sun, Feb 19, 12:13 AM · BF Blender, Platform: Mac OS X
Brecht Van Lommel (brecht) committed rB9992e6a1693a: Fix a few compiler warnings with macOS / clang. (authored by Brecht Van Lommel (brecht)).
Fix a few compiler warnings with macOS / clang.
Sun, Feb 19, 12:04 AM
Brecht Van Lommel (brecht) committed rB3f5b2e268295: Fix T50564: 3D view panning with scroll wheel inconsistent with dragging. (authored by Brecht Van Lommel (brecht)).
Fix T50564: 3D view panning with scroll wheel inconsistent with dragging.
Sun, Feb 19, 12:04 AM
Brecht Van Lommel (brecht) closed T50564: Locking view to object not working as "Resolved" by committing rB3f5b2e268295: Fix T50564: 3D view panning with scroll wheel inconsistent with dragging..
Sun, Feb 19, 12:04 AM · BF Blender, Platform: Mac OS X

Sat, Feb 18

Brecht Van Lommel (brecht) added a comment to D2313: Cycles Disney BRDF.

For the tangent, we'd need to add support for that in the GLSL system indeed. Maybe refractor the code to move that computation out of the renderers as much as possible and make it a new customdata layer for Blender itself.

Sat, Feb 18, 11:07 PM · Cycles
Brecht Van Lommel (brecht) accepted D2313: Cycles Disney BRDF.

I didn't expect you'd actually implement the BSDF in GLSL, but that's great. The GLSL shader seems to be working ok on macOS.

Sat, Feb 18, 11:02 PM · Cycles
Brecht Van Lommel (brecht) added a comment to T50564: Locking view to object not working.

The "View offset is locked" message is shown for two operations:

  • View Pan with shift/control + scroll
  • View Dolly with shift + control + middle mouse drag
Sat, Feb 18, 5:17 PM · BF Blender, Platform: Mac OS X

Thu, Feb 16

Brecht Van Lommel (brecht) added a comment to T50658: Voronoi texture cells biased towards mapping coordinates.

Perhaps changing the order to this helps? So there is no repetition in the rows or columns.

Thu, Feb 16, 11:07 PM · BF Blender

Fri, Feb 10

Brecht Van Lommel (brecht) added a comment to D1788: Cycles: Experiment with shadow catcher.

One last question: Is it somehow possible to make the catcher behave as if it was a real object (in the sense of coloring the shadow with the object color) or is the only option to tint it in post?

Fri, Feb 10, 12:52 AM
Brecht Van Lommel (brecht) added a comment to T50628: Blender 2.78b Cycles compute device selection UI issue.

It's been a Blender UI behavior for a long time, when we did the initial button layout for 2.5 the convention was to only use .enabled if strictly necessary (when you could end up in an invalid state or so). I've always seen .active as more convenient than confusing, but I can see how it could seem strange.

Fri, Feb 10, 12:43 AM · User Interface, BF Blender

Thu, Feb 9

Brecht Van Lommel (brecht) added a comment to T50628: Blender 2.78b Cycles compute device selection UI issue.

I intentionally switched it from hiding the button to showing greyed out, it's not an issue in the code, though some might disagree with the design choice.

Thu, Feb 9, 11:43 PM · User Interface, BF Blender
Brecht Van Lommel (brecht) closed T50628: Blender 2.78b Cycles compute device selection UI issue as "Archived".

It's by design, in the Blender UI such greyed out / low contrast options always mean that the option has no effect, and we still generally allow users to change them. I think this is consistent.

Thu, Feb 9, 11:30 PM · User Interface, BF Blender

Sun, Feb 5

Brecht Van Lommel (brecht) added a comment to T50549: Lack of total internal reflection in refract.

The Fresnel node was primarily intended for mixing diffuse and glossy, since the glass BSDF already includes fresnel. For correct handling of multiple scattering and roughness you also need the Fresnel to be baked into the BSDF anyway, doing it using custom nodes is not physically correct.

Sun, Feb 5, 3:02 PM · BF Blender, Cycles
Brecht Van Lommel (brecht) closed T50598: Cycles MBlur doesn't work in animated Curve Bevel Factor as "Archived".

Motion blur is not currently supported for objects with changing mesh topology, it's a know limitation still that is difficult to fix without deep changes to the modifier system.

Sun, Feb 5, 2:37 PM · BF Blender
Brecht Van Lommel (brecht) closed T50600: Missing DNA block as "Invalid".

Most likely the .blend file is corrupted because the computer got shut down while it was being writing to disk.

Sun, Feb 5, 2:34 PM · BF Blender
Brecht Van Lommel (brecht) merged T50599: Missing DNA block into T50600: Missing DNA block.
Sun, Feb 5, 2:33 PM · BF Blender
Brecht Van Lommel (brecht) merged task T50599: Missing DNA block into T50600: Missing DNA block.
Sun, Feb 5, 2:33 PM · BF Blender

Thu, Feb 2

Brecht Van Lommel (brecht) committed rB7f10a889e33c: Fix incorrect spot lamp blend in python GPU uniform export. (authored by Michael Stahre (MichaelStahre)).
Fix incorrect spot lamp blend in python GPU uniform export.
Thu, Feb 2, 4:29 AM
Brecht Van Lommel (brecht) committed rBd4e0557cf181: Fix missing uniform type for python GPU uniform export. (authored by Michael Stahre (MichaelStahre)).
Fix missing uniform type for python GPU uniform export.
Thu, Feb 2, 4:28 AM
Brecht Van Lommel (brecht) closed D2378: Fixed incorrect uniform export by committing rB7f10a889e33c: Fix incorrect spot lamp blend in python GPU uniform export. (authored by Michael Stahre (MichaelStahre)).
Thu, Feb 2, 4:28 AM · BF Blender
Brecht Van Lommel (brecht) closed D2379: Exposed missing uniform type constant to python by committing rBd4e0557cf181: Fix missing uniform type for python GPU uniform export. (authored by Michael Stahre (MichaelStahre)).
Thu, Feb 2, 4:28 AM · BF Blender
Brecht Van Lommel (brecht) committed rBL61787: macOS 10.9 libraries updated to:.
macOS 10.9 libraries updated to:
Thu, Feb 2, 4:25 AM
Brecht Van Lommel (brecht) added a comment to T48036: SLIM Unwrapping algorithm.

Those steps are entirely the right way to do it.

Thu, Feb 2, 4:23 AM · BF Blender
Brecht Van Lommel (brecht) added a comment to D2378: Fixed incorrect uniform export.

Thanks for the fixes, I'll commit.

Thu, Feb 2, 4:17 AM · BF Blender
Brecht Van Lommel (brecht) accepted D2378: Fixed incorrect uniform export.
Thu, Feb 2, 4:16 AM · BF Blender
Brecht Van Lommel (brecht) accepted D2379: Exposed missing uniform type constant to python.
Thu, Feb 2, 4:02 AM · BF Blender

Wed, Feb 1

Brecht Van Lommel (brecht) added a comment to T50564: Locking view to object not working.

The Apple trackpad sends different events like MOUSEPAN, and it may be that the code handling those is not the same. However testing with 2.78a, I could not find any difference between behavior of the mouse and trackpad.

Wed, Feb 1, 5:52 PM · BF Blender, Platform: Mac OS X
Brecht Van Lommel (brecht) accepted D2313: Cycles Disney BRDF.

The updates look good to me, I didn't see anything new to comment on, so basically LGTM. I've been testing various parameter and didn't succeed in breaking it so far.

Wed, Feb 1, 4:45 AM · Cycles
Brecht Van Lommel (brecht) accepted D2226: Cycles: Speedup transparent shadows on CUDA.

Seems to be working correctly, and performance is still great.

Wed, Feb 1, 4:31 AM

Sun, Jan 29

Brecht Van Lommel (brecht) added a comment to T37616: I can't find a way to delete my account.

Ok, I've disabled your account.

Sun, Jan 29, 8:15 PM · Infrastructure: Websites
Brecht Van Lommel (brecht) added a comment to D2226: Cycles: Speedup transparent shadows on CUDA.

The above times are without the extra patch. With the patch I can confirm the slowdown is gone on the other scenes, but Koro renders wrong. This is using GTX 1080 on Linux.

Sun, Jan 29, 3:30 PM

Sat, Jan 28

Brecht Van Lommel (brecht) accepted D830: Cycles: Optimize check for transparent surface in shadow rays cast.

Looks good to me. Render times are fine too.

Sat, Jan 28, 8:32 PM
Brecht Van Lommel (brecht) added a comment to D2226: Cycles: Speedup transparent shadows on CUDA.

It seems that there is a difference between CPU and CUDA currently, and this patch fixes it.

Sat, Jan 28, 8:28 PM

Jan 21 2017

Brecht Van Lommel (brecht) updated subscribers of T50491: Cycles UI breaks when pushing F8.

Started happening after rB8f0dc3cef6c3: Fix T50052: bpy.utils.unregister_module doesn't unregister classes of….

Jan 21 2017, 11:09 PM · BF Blender
Brecht Van Lommel (brecht) added a comment to D2467: Add "script.reload" button to User Preference Panel.

Could we auto reload when changing the scripts path?

Jan 21 2017, 9:11 PM · User Interface
Brecht Van Lommel (brecht) requested changes to D2443: Render API/Cycles: Identify Render Passes by their Name instead of a type flag.

It's great to see this finally tackled, and nice to see so much red in the diff.

Jan 21 2017, 6:28 PM
Brecht Van Lommel (brecht) added a comment to D2313: Cycles Disney BRDF.

What is the status here?

Jan 21 2017, 4:47 PM · Cycles
Brecht Van Lommel (brecht) accepted D2383: Cycles: Add option to replace GI with AO approximation after certain amount of bounces.

@Brecht Van Lommel (brecht), do you think we can go ahead with patch as-is or you think we should change something still?

Jan 21 2017, 4:37 PM
Brecht Van Lommel (brecht) requested changes to D2444: Render API/Cycles: Allow Render Engines to add passes, add ID Properties to Render Layers, bring back Cycles Debug Passes.

Some minor comments, overall seems fine.

Jan 21 2017, 4:35 PM
Brecht Van Lommel (brecht) added inline comments to D2468: Cycles: Make adaptive subdivision work with panoramic projections.
Jan 21 2017, 4:05 PM

Dec 28 2016

Brecht Van Lommel (brecht) added a comment to D2333: Remove quicktime support.

imb_ext_image_qt and imb_ext_movie_qt can be removed as well.

Dec 28 2016, 2:48 PM

Dec 27 2016

Brecht Van Lommel (brecht) requested changes to D2428: Cycles: Make object flag names more obvious that hey are object and not shader.

Looks fine generally.

Dec 27 2016, 9:20 PM
Brecht Van Lommel (brecht) triaged T50289: blender crash as "Incomplete" priority.

There is not enough information here for us to investigate. Please provide a .blend and exact steps to redo the problem using it, otherwise there's nothing we can do.

Dec 27 2016, 4:29 PM · BF Blender
Brecht Van Lommel (brecht) added a comment to T50292: SSS + Win10-64bit + gtx1070.

Lowering Diffuse/SSS/.. samples and increasing AA samples does not lower quality, it's only about performance and noise. Using 8x8 = 64 SSS samples per AA sample is usually the wrong balance, I'd advise to use much lower values.

Dec 27 2016, 4:04 PM · BF Blender
Brecht Van Lommel (brecht) merged T50307: Linking modifiers does not work properly into T49585: Linking subsurf modifier with adaptive checked.
Dec 27 2016, 3:54 PM · Cycles, BF Blender
Brecht Van Lommel (brecht) merged task T50307: Linking modifiers does not work properly into T49585: Linking subsurf modifier with adaptive checked.
Dec 27 2016, 3:54 PM · Cycles, BF Blender

Dec 19 2016

Brecht Van Lommel (brecht) added a comment to D2412: Render layer and collections.

I thought this over again, but I'd still suggest to replace the master collection with a master layer. It seems pretty inconsequent to allow having this special collection to stand alone. The layer is the trunk of each tree, except for the master collection, where the trunk is a collection. This would be a visible inconsistency for users: In 3D Views they could choose from any regular render layer, maybe the local layer and from the master collection. So they could choose from layers and the master collection instead of just layers.
And what if users want to render the master collection with control over AOVs, overrides, etc? They had to create a new render layer just for the master collection.

Dec 19 2016, 10:42 PM · Restricted Project
Brecht Van Lommel (brecht) added a comment to D2285: Cycles: Don't sync unneccessary attributes for final renders.

Seems like a good approach. The downside of this patch is that the simplification is no longer multithreaded. It should be possible to multithreaded BlenderSync::sync_materials though, so that it's even faster than before due to multithreaded Blender material export.

Dec 19 2016, 10:41 PM

Dec 14 2016

Brecht Van Lommel (brecht) added a comment to D2405: Cycles: Add an option to display specified pass in viewport render.

No time to review the patch now, but it's good functionality I think.

Dec 14 2016, 12:02 AM
Brecht Van Lommel (brecht) added a comment to D2383: Cycles: Add option to replace GI with AO approximation after certain amount of bounces.

Seems reasonable, users can indeed always add one extra bounce.

Dec 14 2016, 12:00 AM

Dec 13 2016

Brecht Van Lommel (brecht) accepted D2401: Cycles: Tweak curve segment (un)pack to handle more curve segments.
Dec 13 2016, 11:58 PM
Brecht Van Lommel (brecht) added a comment to D2406: Cycles: Experiment with cutout closure.

I think doing this using objects is the right solution, even if textures let you do some similar things. The purpose here is to be able to apply the cutout on an entire scene without having to go and modify the materials for each object in the scene.

Dec 13 2016, 11:56 PM
Brecht Van Lommel (brecht) added a comment to D1574: Cycles: Switch to reformulated Pluecker ray/triangle intersection.

I have no time to review this code now, but great that you got the performance so close.

Dec 13 2016, 11:48 PM
Brecht Van Lommel (brecht) accepted D2413: Cycles: Consider GGX/Beckmann/Ashikhmin of 0 roughness a singular ray.
Dec 13 2016, 11:47 PM
Brecht Van Lommel (brecht) added a comment to D2398: Cycles: Fix light objects visible in sharp glossy reflections.

There are two tricks that I know of to solve the aliasing issue:

  • Render at higher resolution, tonemap, and scale down. Either manually or as some kind of automatic thing where subpixel samples are preserved. Maybe even using something like OpenDCX deep EXR files, but this is of course quite complicated and affects the entire pipeline.
  • Do a remapping before and after pixel filtering, scaling down high values and scaling them up again. This is biased but still preserves things a bit better than clamping. See e.g. info on the remapping option in RIS here and here.
Dec 13 2016, 11:46 PM

Dec 6 2016

Brecht Van Lommel (brecht) accepted D2399: Cycles: Expose diffuse and glossy depth to Light Path node.

Seems reasonable.

Dec 6 2016, 8:31 PM
Brecht Van Lommel (brecht) added a comment to T38279: Improve Cycles standalone.

Nice work, always cool to see Cycles used in different ways.

Dec 6 2016, 8:30 PM · Cycles, BF Blender
Brecht Van Lommel (brecht) requested changes to D2398: Cycles: Fix light objects visible in sharp glossy reflections.

Adding LABEL_SINGULAR seems fine to me for BSDFs with zero roughness. But that PATH_RAY_MIS_SKIP test I think is wrong.

Dec 6 2016, 8:29 PM

Dec 5 2016

Brecht Van Lommel (brecht) added a comment to D2396: Cycles: Create a new hybrid (CPU + Intel Xeon Phi) computed OMP (OpenMP) device.

This patch also seems to be for an older version of the code, in latest master there have been a bunch of changes to the device code so this will need to be updated for that.

Dec 5 2016, 10:52 PM · Cycles

Dec 4 2016

Brecht Van Lommel (brecht) committed rBdfca1e14605f: CMake: disable QuickTime with macOS SDK 10.12+, no longer supported by Apple. (authored by Brecht Van Lommel (brecht)).
CMake: disable QuickTime with macOS SDK 10.12+, no longer supported by Apple.
Dec 4 2016, 8:28 PM
Brecht Van Lommel (brecht) committed rB1791697d4337: Fix macOS 10.9 build when using OIIO without FFmpeg. (authored by Brecht Van Lommel (brecht)).
Fix macOS 10.9 build when using OIIO without FFmpeg.
Dec 4 2016, 8:28 PM

Dec 3 2016

Brecht Van Lommel (brecht) committed rBL61756: macOS 10.9 libraries updated to:.
macOS 10.9 libraries updated to:
Dec 3 2016, 4:19 PM
Brecht Van Lommel (brecht) committed rBae04d0fcb6e0: CMake: update for macOS 10.9 libs with ffmpeg 3.2.1 and webp support. (authored by Brecht Van Lommel (brecht)).
CMake: update for macOS 10.9 libs with ffmpeg 3.2.1 and webp support.
Dec 3 2016, 3:32 PM
Brecht Van Lommel (brecht) committed rB1a01ef4ae903: Fix macOS build with openimageio 1.7.8 and openexr. (authored by Brecht Van Lommel (brecht)).
Fix macOS build with openimageio 1.7.8 and openexr.
Dec 3 2016, 3:32 PM

Nov 30 2016

Brecht Van Lommel (brecht) added a comment to T50110: python api - python hsv values inconsistent with color picker values.

The HSV value edited in the color picker is in display space (sRGB by default). The values in the API are in scene linear space.

Nov 30 2016, 12:00 AM · Python, BF Blender

Nov 29 2016

Brecht Van Lommel (brecht) added a comment to D2385: Cycles: Fix correlation issues in certain cases.

That seems quite acceptable, especially if solving this correlation helps with convergence in some cases.

Nov 29 2016, 2:04 AM
Brecht Van Lommel (brecht) added a comment to D2383: Cycles: Add option to replace GI with AO approximation after certain amount of bounces.

I don't know if we want to do this, but perhaps we should actually be using shadow_blocked() here to get partial transparency like AO? It's more expensive if there is transparency, but also useful for volumes and cutout transparency.

Nov 29 2016, 1:58 AM

Nov 27 2016

Brecht Van Lommel (brecht) closed T50110: python api - python hsv values inconsistent with color picker values as "Invalid".

There are multiple ways to do HSV to RGB conversion, and it also depends on the color space (sRGB, linear, ..).

Nov 27 2016, 7:58 AM · Python, BF Blender
Brecht Van Lommel (brecht) requested changes to D2383: Cycles: Add option to replace GI with AO approximation after certain amount of bounces.
Nov 27 2016, 7:53 AM
Brecht Van Lommel (brecht) accepted D2385: Cycles: Fix correlation issues in certain cases.
Nov 27 2016, 7:44 AM
Brecht Van Lommel (brecht) closed T50106: The object is shown even though outside of distance culling area. as "Invalid".

It uses the distance to the bounding box of the object, not to the center of the object.

Nov 27 2016, 7:43 AM · Cycles, BF Blender

Nov 26 2016

Brecht Van Lommel (brecht) added a comment to T50116: Light threshold broke branched path tracer.

Perhaps when we have adaptive sampling we can do some kind of brightness estimation and adaptively change the threshold. Currently I suggest to lower the default threshold to 0.01.

Nov 26 2016, 2:11 PM · Cycles, BF Blender

Nov 23 2016

Brecht Van Lommel (brecht) added a comment to rBf68ef05a56b7: Cycles: add basic backwards compatibility for device selection, move to….

Thanks, should be fixed in rB411836d97c03: Fix Cycles device backwards compatibility error if device type is unavailable..

Nov 23 2016, 12:14 AM
Brecht Van Lommel (brecht) added a comment to rBe8641d44740e: Cycles: distance culling for objects..

Thanks, fixed in rB57141ea30e9e: Fix spelling in Cycles distance culling description..

Nov 23 2016, 12:14 AM
Brecht Van Lommel (brecht) committed rB411836d97c03: Fix Cycles device backwards compatibility error if device type is unavailable. (authored by Brecht Van Lommel (brecht)).
Fix Cycles device backwards compatibility error if device type is unavailable.
Nov 23 2016, 12:13 AM