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2020-03-10Cycles: Using OpenCL popcount() in PMJ sampler.Stefan Werner
2020-03-09Cleanup: avoid (harmless) race condition reported by HelgrindJohan Walles
Differential Revision: https://developer.blender.org/D7058
2020-03-09Fix part of T73921: hang with Eevee light baking and MantaflowBrecht Van Lommel
Now it crashes instead.
2020-03-08Fix T74537: Fixed out of bounds memory access in Cycles' PMJ sampler.Stefan Werner
2020-03-07Fluid: Optimization for smoke simulation (multigrid)Sebastián Barschkis
The solver will now automatically detect static scenes (no moving obstacles) and use a slightly faster pressure solve in those cases.
2020-03-07UI: move Cycles adaptive sampling settings to own subpanelBrecht Van Lommel
2020-03-07Fix T74504: Cycles wrong progress bar with CPU adaptive samplingBrecht Van Lommel
2020-03-07Fix error in Cycles Optix adaptive sampling after recent cleanupBrecht Van Lommel
2020-03-06Cleanup: Fix forward declaration of headersDalai Felinto
2020-03-06Cycles: cleanup warningDalai Felinto
2020-03-06Fluid: Revert bc2ce31d7940 (changes to open boundaries)Sebastián Barschkis
Changes from that commit turned out to be unstable.
2020-03-06Cleanup: tweak Cycles #includes in preparation for clang-format sortingBrecht Van Lommel
2020-03-06Cleanup: spellingCampbell Barton
2020-03-06Fix memory leak in the colorio fallback implementation.Sebastian Parborg
We would previously not store the transforms that were added to the group transform node. This would lead to pointer to allocated memory being lost and not freed.
2020-03-06Attempt to fix build errors on macOSJulian Eisel
Mistake in 5be0e3430d13
2020-03-06GHOST/Keymap: support for detecting repeat eventsCampbell Barton
- Keymap items now have 'repeat' boolean which can be set to make keymap items respond to key repeat events or not. - Support for X11 & WIN32 (not macOS currently). This allows for the possibility to perform actions while a key is held and finish the action upon release. Thanks to @Severin for review and WIN32 support.
2020-03-06Cleanup: spellingCampbell Barton
2020-03-05Ghost: Support drawing OpenGL framebuffers into a DirectX 11 bufferJulian Eisel
Adds a minimal DirectX 11 Ghost context, plus some shared DirectX-OpenGL resource interface using the NV_DX_interop2 WGL extension. From what I know, this should be available on modern GPUs. If not, it should fail gracefully. There should be no user visible changes at this point. Needed for DirectX-only OpenXR platforms (e.g. Windows Mixed Reality). I heard there are other use-cases as well though. It's known that this currently fails on some AMD systems, but that seems to be fixable. Most of this comes from the 2019 GSoC project, "Core Support of Virtual Reality Headsets through OpenXR" (https://wiki.blender.org/wiki/User:Severin/GSoC-2019/). Reviewed by: Jeroen Bakker, Ray Molenkam, Brecht van Lommel Differential Revision: https://developer.blender.org/D6190
2020-03-05Fix T74393: Cycles crashes when both OSL and Optix Denoising are enabledPatrick Mours
Enabling viewport denoising causes Cycles to use a multi-device, which always returned NULL when asked for OSL memory and would subsequently crash. This fixes that by returning the correct OSL memory pointer from the CPU device in the special viewport denoising multi-device.
2020-03-05Fluid: More optimizations in smoke / liquid scriptsSebastián Barschkis
Reduced extrapolation distances, no need to extrapolate that far.
2020-03-05Fluid: Diffusion settings now optionalSebastián Barschkis
For optimization purposes these settings need to be enabled explicitly from now on.
2020-03-05Adaptive Sampling for Cycles.Stefan Werner
This feature takes some inspiration from "RenderMan: An Advanced Path Tracing Architecture for Movie Rendering" and "A Hierarchical Automatic Stopping Condition for Monte Carlo Global Illumination" The basic principle is as follows: While samples are being added to a pixel, the adaptive sampler writes half of the samples to a separate buffer. This gives it two separate estimates of the same pixel, and by comparing their difference it estimates convergence. Once convergence drops below a given threshold, the pixel is considered done. When a pixel has not converged yet and needs more samples than the minimum, its immediate neighbors are also set to take more samples. This is done in order to more reliably detect sharp features such as caustics. A 3x3 box filter that is run periodically over the tile buffer is used for that purpose. After a tile has finished rendering, the values of all passes are scaled as if they were rendered with the full number of samples. This way, any code operating on these buffers, for example the denoiser, does not need to be changed for per-pixel sample counts. Reviewed By: brecht, #cycles Differential Revision: https://developer.blender.org/D4686
2020-03-05Fix T74446: Liquid Inflow Does Not WorkSebastián Barschkis
Somehow this was forgotton in the optimization patch a5c4a44df67e.
2020-03-05Addons: deprecate 'wiki_url'Aaron Carlisle
When running with debug enabled ('-d' argument), warnings are printed for add-ons which are not yet updated. Reminder to name things based on what they do, not the technologies they use :)
2020-03-05Cleanup: formatting, strip trailing spaceCampbell Barton
2020-03-04Fluid: Bounding boxes for effector objectsSebastián Barschkis
This commit adds bounding box support for emission objects - similarly to flow objects. Before, each effector object had to iterate over the entire domain. Bake times of scenes with multiple obstacles improved significantly with this optimization. Other improvements that were implemented alongside the bbox feature: - Option for subframe sampling for effector objects - Option to enable / disable effectors (can be animated) - Optimization for static objects. If a flow or effector object does not move and the adaptive domain is not in use, the bake time will be optimized further by reusing the flow / effector grids from the previous frame (no recalculation).
2020-03-04Fluid: Added sanity grid initializations in smoke / liquid scriptsSebastián Barschkis
Just a sanity check.
2020-03-04Fluid: Naming cleanup for flags gridSebastián Barschkis
Use flags instead of obstacle to avoid confusion with obstacle levelset grid.
2020-03-04Fluid: Added an option to delete fluid inside obstaclesSebastián Barschkis
Simple checkbox that - if enabled - will tell the solver to clear density or liquid particles in obstacle cells.
2020-03-04Fluid: Optimization for extrapolation functions in smoke / liquid scriptsSebastián Barschkis
Too much extrapolation can become expensive. Reducing it here since extrapolating levelsets into a couple of cells should be sufficient.
2020-03-04Cleanup: cmake indentationCampbell Barton
2020-03-02Cycles: add Progressive Multi-Jitter sampling patternStefan Werner
This sampling pattern is particularly suited to adaptive sampling, and will be used for that upcoming feature. Based on "Progressive Multi-Jittered Sample Sequences" by Per Christensen, Andrew Kensler and Charlie Kilpatrick. Ref D4686
2020-03-02Shading: Add invert option to Vector Rotate NodeCharlie Jolly
Checkbox to invert rotation angle, suggested by @simonthommes Differential Revision: https://developer.blender.org/D6932
2020-02-28Fluid: Improved behavior at open boundariesSebastián Barschkis
Use greater boundary width for smoke simulations
2020-02-28Cycles: Rework tile scheduling for denoisingPatrick Mours
This fixes denoising being delayed until after all rendering has finished. Instead, tile-based denoising is now part of the "RENDER" task again, so that it is all in one task and does not cause issues with dedicated task pools where tasks are serialized. Reviewed By: brecht Differential Revision: https://developer.blender.org/D6940
2020-02-28Fix CUDA out of memory error with OptiX viewport denoising on small GPUsPatrick Mours
This makes the memory allocation for the denoiser state use the memory allocator in Cycles, which will evict textures to host memory when there is not enough space on the device. This means the allocation for the denoiser state won't just fail if there is no more space and instead more space is made for it to work. Also simplifies code somewhat.
2020-02-28OpenSubdiv: Allow less topology callbacks assignedSergey Sharybin
Useful for cases when topology does not need to have any crease or UV layers. Now instead of assigning callbacks which returns zero data is possible to simply assign the callback itself to NULL.
2020-02-27Fix T74262: Cycles OpenCL error on some devices after recent changesBrecht Van Lommel
2020-02-27Build: change libc compatibility code to only be used for new glibcBrecht Van Lommel
This way we can still use fast math functions.
2020-02-27Fix Linux CentOS buildbot handing on ffmpeg testBrecht Van Lommel
Don't use -ffast-math functions for libc compatibility implementation, since then the function ends up calling itself. This may not be ideal for performance but should be insignificant in practice.
2020-02-27Fix unreported crash/assert in Cycles with volume render pass in viewportDalai Felinto
Bug introduced on e0085bfd24da.
2020-02-26Fix OpenVDB link error on Windows after recent changesBrecht Van Lommel
2020-02-26Cleanup: add ImageKey to avoid longer argument lists and duplicated codeBrecht Van Lommel
2020-02-26Cleanup: deduplicate OpenVDB library definitions/include/libs logicBrecht Van Lommel
This will more important when we start using OpenVDB in more modules.
2020-02-26Build: add compatibility between precompiled libraries and new glibcBrecht Van Lommel
On Linux, precompiled libraries may be made with a glibc version that is incompatible with the system libraries that Blender is built on. To solve this we add a few -ffast-math symbols that can be missing. Differential Revision: https://developer.blender.org/D6930
2020-02-26Cleanup: spellingCampbell Barton
2020-02-25Fix T74063: Cycles light pass viewport display wrong with saturated colorsBrecht Van Lommel
2020-02-25Cleanup: Remove superfluous "cuda_device_ptr" functionPatrick Mours
2020-02-25Cycles: Add option to change which sample to start viewport denoising atPatrick Mours
This patch adds a new user-configurable option to change at which sample viewport denoising should kick in. Setting it to zero retains previous behavior (start immediately), while other values will defer denoising until the particular sample has been reached. Default is now at one, to avoid the weirdness that is AI denoising at small resolutions. Reviewed By: brecht Differential Revision: https://developer.blender.org/D6906
2020-02-25Overlay: Fix overlays being washed out by render colorsClément Foucault
Clamping here might be a bit too much if output is expected to be HDR. But we don't support HDR atm so clamping is fine.
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