User:Sergey/Foundation/2023

Weekly Reports for year 2023

Week 576: 2nd - 8th January

• General development
  • Catching up with emails and other backlog since the holiday
  • Regular design and code reviews

Week 577: 9th - 15th January

• General development
  • Regular design and code reviews
  • Most of the week is the Gitea migration project

Week 578: 16th - 22th January

• General development
  • Full week working on the Gitea migration

Week 578: 23th - 29th January

• General development
  • Full week working on the Gitea migration

Week 579: 30th January - 5th February

• General development
  • Full week working on the Gitea migration ...
  • ... But also managed to catch up with the backlog of the code/design reviews

Week 580: 6th - 12th February

• • Full week working on the Gitea migration ...
  • ... aaand it's migrated!
  • Quite some time spent dealing with the unforeseen consequences
  • But also managed to put a bit of time for patch review

Week 581: 13th - 19th February

• General development
  • Still some time spent dealing with the consequences of migration
  • Worked on the Git submodules re-organization to solve the confusion with Git tooling
  • Blender Admins meeting
  • Was catching up with the module backlog (the unclassified reports list)
  • Small amount of regular design and code reviews

Week 582: 20th - 26th February

• General development
  • Changes in the submodules organization for blender.git
  • Changes in make update to support new submodule organization, and Github style of remotes
  • Regular design and code reviews

Week 583: 27th February - 5th March

• General development
  • Regular design and code reviews
    • The most remarkable is the grease pencil workshop here

Week 584: 6th -12th March

• General development
  • Workshops for grease pencil, Eevee, rendering for the upcoming open movie project
  • Smaller fixes for the current studio project

Week 585: 13th - 19th March

• General development
  • Regular design and code reviews
  • Worked on the light linking project. Together with the Team got the basics of the UI and Cycles kernel supported

Week 586: 20th - 26th March

• General development
  • Regular design and code reviews
  • Continued working on the light linking project

Week 587: 27th March - 2nd April

• General development
  • Regular design and code reviews
  • Continued working on the light linking project
  • Fix un-initialized variable, which lead to a difficult to track random wrong results of masking node
  • Buildbot: run tests in parallel (making this step 2-4x faster depending on a platform)
    • Needed to fix non-parallelizable tests (IO tests using the same temp file name)

Week 588: 3rd - 9th April

• General development
  • Regular design and code reviews
  • Continued working on the light linking project
  • Parallel regression tests dead-lock investigation
    • Turns out to be an issue in the idiff.exe
    • Worked around on the Blender buildbot side, but upstream repro case and report is needed

Week 589: 10th - 16th April

• General development
  • Regular design and code reviews
  • Continued working on the light linking project
  • Still some time was spent dealing with dead-lock of idiff.exe on the buildbot

Week 590: 17th - 23rd April

• General development
  • Regular design and code reviews
  • Continued working on the light linking project (although, did not have as much time as I've hoped to)
  • Cleanup of compiler warnings with default compilation configuration on Apple Silicon
  • Fix regression tests failure on the latest Xcode

• Bug tracker
  • Fix #107081 Slow selection with context variables
  • Fix #107127 Context property driver to view layer does not work
  • Fix #106977 Crash when OpenEXR IO fails

Week 591: 24th - 30th April

• General development
  • Regular design and code reviews
  • Continued working on the light linking project: got initial support of shadow linking + MIS
  • Fix intersection distance offset in Cycles (precision error, could cause back pixels and maybe infinite loop in some rare cases)

Week 592: 1st - 7th May

• General development
  • Regular design and code reviews
  • Refactor of ImBuf and RenderResult areas to support implicit sharing. The former part is under the review now
  • Continued working on the light linking project: shadow linking + MIS is in the cycles-light-linking branch now

Week 593: 8th - 14th May

• General development
  • Regular design and code reviews
  • Infrastructure/buildbot support for CUDA 12
  • Continued working on the light linking project: multiple shadow linked lights, distant lights, mesh lights

Week 594: 15th - 21st May

• General development
  • Regular design and code reviews
  • The ImBuf refactor is committed, the implicit sharing for the render result is reviewed and ready land
  • Continued working on the light linking project. Still some things to do there, but there is only one merge blocker

Week 595: 22nd - 28th May

• General development
  • Regular design and code reviews
  • Cycles: light and shadow linking committed to the main branch
  • BLI: Replace some macros with inlined functions for C++
  • Refactor Render Result to allow implicit buffer sharing

• Bug tracker
  • Fix #108316 CUDA error rendering Attic scene
  • Fix #108315 Illegal CUDA address with shadow-linked mesh emitters
  • Fix #108240 Cycles fails on macOS and AMD GPU
  • Fix #108250 Cycles: Light Linking disabled after modifying object
  • Fix #108243 Crash when save before close with modified image
  • Fix #107248 Compositor ACCESS VIOLATION when updating datablocks from handlers
  • Fix #108136 Regression : Texture paint is broken
  • Fix specialized light tree building for distant lights
  • Fix hiding receiver disabling light/shadow linking
  • Fix assert in light linking when making an asset.
  • Fix crash doing viewport animation render
  • Fix make update for upstream workflow and missing branch in submodule

Week 596: 29th May - 4th June

• General development
  • Regular design and code reviews

• Bug tracker
  • Fix #108342 Regression: Cycles: Light group does not work
  • Fix #108374 Sun light linking issue on direct sampling
  • Fix #108363 Light linking does not work when linked to self

Week 597: 5th - 11th June

• General development
  • Regular design and code reviews
  • Quite some time spent helping the studio (processes, tools design etc)
  • Work on fixes and optimizations for the newly landed Kuwahara filter

• Bug tracker
  • Fix #108778 Crash when rendering multiple view layers

Week 598: 12th - 18th June

• General development
  • Regular design and code reviews
  • Various fixes and improvements in Cycles and its automated benchmarking script

• Bug tracker
  • Fix #109019 Crash when creating a new collection for light linking

Week 599: 19th - 25th June

• General development
  • Regular design and code reviews
  • Small refactors, as a preparation for a bigger change for the render pass support for the viewport compositor

Week 600: 26th June - 2nd July

• General development
  • Regular design and code reviews.
  • Short week, the most of it was spent at EGSR.

Week 601: 3rd - 9th July

• General development
  • Catching up after the EGSR.
  • Regular design and code reviews.
  • Various fixes for compilers and regression tests.
  • Removed z-buffer image save option.
  • Finished refactoring the RenderPass storage on Blender side. Will be committed on Monday. (This and above is a part of the render passes support for viewport compositor).

Week 602: 10th - 16th July

• General development
  • Regular design and code reviews.
  • Refactor: Use ImBuf to store passes in RenderResult

• Bug tracker
  • Fix #109887 Adding driver from python might crash

Week 603: 17th - 23rd July

• General development
  • Regular design and code reviews.
  • Refactors around the RenderResult to move forward with the viewport compositor passes

Week 604: 24th - 30th July

• General development
  • Regular design and code reviews.
  • Various fixes.

Week 605: 31st July - 6th August

• General development
  • Shorter week, took some time off
  • Regular design and code reviews
  • Main development targets were the passes for viewport compositor and C-side changes needed for the AgX view transform

Week 606: 7th - 13th August

• General development
  • Regular design and code reviews
  • Changes in color management related code needed to move forward with AgX

• Bug tracker
  • Fix #109201 Consistent mapping boundaries of brush textures

Week 607: 14th - 20th August

• General development
  • Regular design and code reviews
  • More changes and fixes in color management related code needed to move forward with AgX:
    • Validate Look on View Transform changes
    • Validate look is compatible with view on load
    • Fix GradingPrimaryTransform OCIO transform in Metal
    • Tweak compatible look check: if a view has any specialized looks, only list specialized looks for the view

• Bug tracker
  • Fix #111165 Regression: Blender Crashes On Scene Switch

Week 608: 21st - 27th August

• General development
  • Regular design and code reviews

• Bug tracker
  • Fix #110328 Clay Strip symmetry does not mirror rotation
  • Fix #111504 Regression: Mesh draw corruption in sculpt mode

Week 609: 28th August - 3rd September

• General development
  • Regular design and code reviews

Week 610: 4th - 10th September

• General development
  • Regular design and code reviews
  • Fixes for Cycles Metal and RT + shadow linking
  • Fix crash in Cycles when cancelling render during light tree building

Week 611: 11th - 17th September

• General development

• General development
  • Regular design and code reviews
  • Planning sessions at the studio
  • Code sign certificate investigation

Week 612: 18th - 24th September

• General development
  • Regular design and code reviews
  • Fix crash when toggling link linking state in the list
  • Light linking: Make list interface look more similar to other places
  • Design/prototype for procedural texturing in Compositor

• Bug tracker
  • Fix #112486 VSE: Rendering transparent frames produces errors/crashes

Week 613: 25th September - 1st October

• General development
  • Regular design and code reviews
  • Light linking: Allow re-ordering in the light linking collections
  • New code signing system for the buildbot and releases. Deployed to UATEST, PROD is the next step

Week 614: 2nd - 8th October

• General development
  • VSE: Fix Split Strips operator not showing shortcut
  • macOS: Enable secure coding for restorable state
  • Fix light linking state being lost on collection copy and duplicate

• Bug tracker
  • Fix #113186 The Render Result attribute "has_data" is always False
  • Fix #113280 Incorrect display of Cycles border render while rendering

• Sculpting
  • Fix: Noisy false-positive assert in dyntopo sculpt
  • Add vertex interpolation for the dynamic topology
  • Improve support of face sets with dyntopo
    • Do not clear face sets when enabling dynamic topology
    • Draw face sets in viewport when dynamic topology is enabled
  • Fix assert in PBVH face set drawing code

Week 615: 9th - 15th October

• General development
  • Regular design and code reviews
  • Sculpt: Support Float2 attributes for dynamic topology
  • Cycles: Add option to control smoothing when using bump map
  • Buildbot: A lot of tweaks to make the code-sign and packaging pipeline robust.

• Bug tracker
  • Fix #113496 Crash in sculpt mode when Float2 attributes used on Vertices
  • Fix #112935 Wrong window order handling on macOS 14

Week 616: 16th - 22nd October

• General development
  • Regular design and code reviews
  • Sculpt: Preserve edge attribute on split with dyntopo
  • Sculpt: Worked on custom data preservation on edge collapse

• Bug tracker
  • Fix #113875 2D Animation template's view transform set to AgX

Week 617: 23rd - 29th October

• General development
  • Short week due to BCON23
  • Regular design and code reviews
  • Continued with the dynamic topology: the edge subdivide/collapse with attribute preservation path is ready for review

Week 618: 30th October - 5th November

• General development
  • Regular design and code reviews
  • Sculpt: Implement face set brush for dyntopo
  • Sculpt: Better boundary preservation with dyntopo
  • Depsgraph: Fix missing relations built for camera referenced by markers
  • Buildbot: Solved issues with compile-gpu step timing-out

• Bug tracker
  • Fix #114129 Crashes on boolean operation macOS Intel

Week 619: 6th - 12th November

• General development
  • Regular design and code reviews
  • Depsgraph: Fix missing relations build for cameras referenced from timeline markers
  • Sculpt: Use C++ in more public API
  • Sculpt: Experiment with preserving face set boundaries for dynamic topology. Ended up on requirement to piece extra state in many common areas. Which lead to the following work
  • Sculpt: Looked into re-formalizing the brushes. Split implementation on the top level, split logic into more of a "kernel" approach. This should help with passing states, keeping it small and clear, as well as should help performance.

Week 620: 13th - 19th November

• General development
  • Regular design and code reviews

• Bug tracker
  • Fix #114661 Incorrect display of Rec.1886 and Rec. 2020 view transforms

Week 621: 20th - 26th November

• General development
  • Regular design and code reviews
  • Helping with the infrasturcture