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2020-03-31Fix missing XR space destructionJulian Eisel
I think destructing the XrSession would destruct this anyway, but rather have this done explicitly, consistently and in a controlled manner.
2020-03-30Fluid: Optimization for mesh file loadingSebastián Barschkis
Improved loading times for mesh files by reading bigger chunks of data from the disk at once.
2020-03-29Fluid: Optimization for liquid / secondary particle file loadingSebastián Barschkis
Improved loading times for particles files by reading bigger chunks of data from the disk at once.
2020-03-28Fix key detection issues introduced by D7229Asher
Removing the GHOST_kKeyUnknown check from processKeyEvent() produces epeated unknown key events whenever a modifier key is held down, due to the way ghost uses GHOST_kKeyUnknown as a filter value for modifier key events. Differential Revision: https://developer.blender.org/D7257
2020-03-27Fix Optix build error after recent changesDaniel Santana
Differential Revision: https://developer.blender.org/D7253
2020-03-27Cleanup: Silence uninitialized variable warningCharlie Jolly
2020-03-27Fluid: Removed obstacle levelset optimizationSebastián Barschkis
Currently results in unstable particle behavior and incorrect meshing.
2020-03-26Mantaflow: remove reminents of high res smokeAaron Carlisle
It appears this slipped through the code review Reviewed By: sebbas Differential Revision: https://developer.blender.org/D6760
2020-03-26Cycles: Restore cycles_cubin_cc to working orderRay Molenkamp
Reviewed by: brecht pmoursnv Differential Revision: https://developer.blender.org/D7136
2020-03-26Cycles/Optix: Add CYCLES_OPTIX_TEST overrideRay Molenkamp
This works similarly to the CYCLES_OPENCL_TEST environment variable to allow testing on unsupported hardware. Note: like the OPENCL test override, this is for *testing* only and bug reports on unsupported hardware will *not* be accepted at this point in time.
2020-03-26Fix missing text input on Windows with certain keyboard layoutsGermano Cavalcante
Events for keys specific to certain keyboard layouts unknown to Blender were ignored. Now pass them along as unknown key events for which we can still handle text input, like we already do for Linux and macOS. Differential Revision: https://developer.blender.org/D7229
2020-03-26Fix T74939: Random Walk subsurface appearance in OptiX does not match other ↵Patrick Mours
engines Random Walk subsurface scattering did look different with OptiX because transmittance is calculated based on the hit distance, but the OptiX implementation of `scene_intersect_local` would return the distance in world space, while the Cycles BVH version returns it in object space. This fixes the problem by simply skipping the object->world transforms in all the places using the result of `scene_intersect_local` with OptiX. Reviewed By: brecht Differential Revision: https://developer.blender.org/D7232
2020-03-25UI: remove non-unicode font and simplify default font loading codeBrecht Van Lommel
There is no need to have another font embedded in the Blender executable, we can assume the bundled font exists. In the future we may provide a fallback if the font specified by the user in the preferences is missing a character, but that can use our bundled international font. Differential Revision: https://developer.blender.org/D6854
2020-03-25Cycles: limit number of processes compiling OpenCL kernel based on memoryBrecht Van Lommel
The numbers here can probably be tweaked to be better, but it's hard to predict and this should at least avoid excessive memory swapping. Fixes T57064.
2020-03-25Fluid: Small fix for secondary particlesSebastián Barschkis
Small tweak to ensure index will not run out of bounds during secondary particle computation.
2020-03-24Cycles: use OpenCL C 2.0 if available, to improve performance for AMDBrecht Van Lommel
Tested with AMD Radeon Pro WX 9100, where it brings performance back to 2.80 level, and combined with recent changes is about 2-15% faster than 2.80 in our benchmark scenes. This somehow appears to specifically address the issue where adding more shader nodes leads to slower runtime. I found no additional speedup by applying this to change to 2.80 or removing the new shader node code. Ref T71479 Patch by Jeroen Bakker. Differential Revision: https://developer.blender.org/D6252
2020-03-24Cycles: slightly improve OpenCL performance by reordering SVM enum valuesBrecht Van Lommel
Ref T71479
2020-03-24Cycles: work around OpenCL performance regression after AOVs and vector rotateBrecht Van Lommel
We appear to be hitting some limit where adding any amount of code causes a significant performance regression, no matter what it does. To work around that a new node level was added. Ref T71479
2020-03-24Cleanup: remove unused Cycles kernel feature flags, replace by node levelsBrecht Van Lommel
2020-03-24Fluid: Enforce minimum thickness to planar flow / effector objectsSebastián Barschkis
Planar object now have a thickness by default. This should make it more intuitive for users as there is no need to specify an object thickness.
2020-03-24Fluid: Use different phi for levelset generationSebastián Barschkis
Phi that is used for mesh should be the one that matches particles best.
2020-03-22Fix T73988: Mantaflow fluid simulation - Particles for Spray, Foam and ↵Sebastián Barschkis
Bubbles are one frame ahead of Mesh Fixes an issue with secondary particles being out of sync with the main simulation. Cleaned up the secondary particle code in general too (making sure that all solver attributes - timestep, framelength, etc. - are set correctly).
2020-03-21OpenCL: Bring back CYCLES_OPENCL_TEST overrideRay Molenkamp
Back in 2.79 you could either use the debug panel or an environment variable to override using OpenCL for unsupported hardware. Which was rather useful for developers when testing on NVidia just to be sure the CL kernels at-least build properly. This broke in rB949ab753bb2 This diff restores testing though the CYCLES_OPENCL_TEST environment variable. Differential Revision: https://developer.blender.org/D7202 Reviewers: brecht
2020-03-21Fix T73372: cryptomatte not filling last pass for odd number of levelsBrecht Van Lommel
Make logic consistent with the render pass creation in Python.
2020-03-20Fix T68370, T74973: Cycles cryptomatte not working when other passes are enabledBrecht Van Lommel
Solution found by Blazej Floch.
2020-03-20Fix T74345: missing albedo for Cycles principled hair BSDFBrecht Van Lommel
2020-03-20Fix Python error in Cycles baking panelBrecht Van Lommel
2020-03-20Cleanup: sort file, struct listsCampbell Barton
2020-03-20Cleanup: remove old header conventions recently re-introducedCampbell Barton
2020-03-19Fix Cycles crash in Windows debug mode with volumesBrecht Van Lommel
2020-03-19Fix build WITH_CXX_GUARDEDALLOCGermano Cavalcante
2020-03-19Cleanup: `make format` after SortedIncludes changeDalai Felinto
2020-03-18Cleanup: Prepare XR code for sorted headersJulian Eisel
2020-03-18Fix (harmless) use of uninitialized variables in CyclesBrecht Van Lommel
2020-03-18Volumes: add render settings for volume datablockBrecht Van Lommel
* Space: volume density and step size in object or world space * Step Size: override automatic step size * Clipping: values below this are ignored for tighter volume bounds The last two are Cycles only currently. Ref T73201
2020-03-18Cycles: change volume step size controls, auto adjust based on voxel sizeBrecht Van Lommel
By default it will now set the step size to the voxel size for smoke and volume objects, and 1/10th the bounding box for procedural volume shaders. New settings are: * Scene render/preview step rate: to globally adjust detail and performance * Material step rate: multiplied with auto detected per-object step size * World step size: distance to steo for world shader Differential Revision: https://developer.blender.org/D1777
2020-03-18Cycles: support for rendering of new Hair object prototypeBrecht Van Lommel
Ref T68981
2020-03-18Cycles: support rendering new Volume object typeBrecht Van Lommel
Voxels are loaded directly from the OpenVDB grid. Rendering still only supports dense grid, so memory usage is not great for sparse volumes, this is to be addressed in the future. Ref T73201
2020-03-18Cycles: support for different 3D transform per volume gridBrecht Van Lommel
This is not yet fully supported by automatic volume bounds but works fine in most cases that will have mostly matching bounds. Ref T73201
2020-03-17VR: Initial Virtual Reality support - Milestone 1, Scene InspectionJulian Eisel
NOTE: While most of the milestone 1 goals are there, a few smaller features and improvements are still to be done. Big picture of this milestone: Initial, OpenXR-based virtual reality support for users and foundation for advanced use cases. Maniphest Task: https://developer.blender.org/T71347 The tasks contains more information about this milestone. To be clear: This is not a feature rich VR implementation, it's focused on the initial scene inspection use case. We intentionally focused on that, further features like controller support are part of the next milestone. - How to use? Instructions on how to use this are here: https://wiki.blender.org/wiki/User:Severin/GSoC-2019/How_to_Test These will be updated and moved to a more official place (likely the manual) soon. Currently Windows Mixed Reality and Oculus devices are usable. Valve/HTC headsets don't support the OpenXR standard yet and hence, do not work with this implementation. --------------- This is the C-side implementation of the features added for initial VR support as per milestone 1. A "VR Scene Inspection" Add-on will be committed separately, to expose the VR functionality in the UI. It also adds some further features for milestone 1, namely a landmarking system (stored view locations in the VR space) Main additions/features: * Support for rendering viewports to an HMD, with good performance. * Option to sync the VR view perspective with a fully interactive, regular 3D View (VR-Mirror). * Option to disable positional tracking. Keeps the current position (calculated based on the VR eye center pose) when enabled while a VR session is running. * Some regular viewport settings for the VR view * RNA/Python-API to query and set VR session state information. * WM-XR: Layer tying Ghost-XR to the Blender specific APIs/data * wmSurface API: drawable, non-window container (manages Ghost-OpenGL and GPU context) * DNA/RNA for management of VR session settings * `--debug-xr` and `--debug-xr-time` commandline options * Utility batch & config file for using the Oculus runtime on Windows. * Most VR data is runtime only. The exception is user settings which are saved to files (`XrSessionSettings`). * VR support can be disabled through the `WITH_XR_OPENXR` compiler flag. For architecture and code documentation, see https://wiki.blender.org/wiki/Source/Interface/XR. --------------- A few thank you's: * A huge shoutout to Ray Molenkamp for his help during the project - it would have not been that successful without him! * Sebastian Koenig and Simeon Conzendorf for testing and feedback! * The reviewers, especially Brecht Van Lommel! * Dalai Felinto for pushing and managing me to get this done ;) * The OpenXR working group for providing an open standard. I think we're the first bigger application to adopt OpenXR. Congratulations to them and ourselves :) This project started as a Google Summer of Code 2019 project - "Core Support of Virtual Reality Headsets through OpenXR" (see https://wiki.blender.org/wiki/User:Severin/GSoC-2019/). Some further information, including ideas for further improvements can be found in the final GSoC report: https://wiki.blender.org/wiki/User:Severin/GSoC-2019/Final_Report Differential Revisions: D6193, D7098 Reviewed by: Brecht Van Lommel, Jeroen Bakker
2020-03-17Ghost: Ghost-XR API to abstract away and access OpenXR functionalityJulian Eisel
Extends Ghost to include an abstraction for OpenXR, which I refer to as Ghost-XR. Such an API is the base for the following commit, which introduces VR support to Blender. Main features: * Simple and high-level interface for Blender specific code to call. * Extensible for muliple graphics backends, currently OpenGL and a DirectX compatibility layer are supported. * Carefully designed error handling strategy allowing Blender to handle errors gracefully and with useful error messages. * OpenXR extension and API-layer management. * OpenXR session management. * Basic OpenXR event management. * Debug utilities for Ghost-XR and OpenXR For more information on this API, check https://wiki.blender.org/wiki/Source/Interface/XR. Reviewed by: Brecht Van Lommel Differential Revision: https://developer.blender.org/D6188
2020-03-17Cleanup: process colorspace conversion with a 1D pixel arrayBrecht Van Lommel
No need to assume it's 2D or 3D.
2020-03-17Fluid: Updated manta pp filesSebastián Barschkis
Includes only a rename. The name PyInit_Main was a bit confusing as it just belongs to Manta.
2020-03-16Cycles: Fix bad escape character used for dotSergey Sharybin
2020-03-16Fix T74776: Cycles crash with missing image texture after recent changesBrecht Van Lommel
2020-03-16UI: Show decorators for lights when using CyclesWilliam Reynish
This matches Eevee, and also the rest of Blender.
2020-03-15UI: Fix capitalization in the macOS app menuWilliam Reynish
2020-03-14Cleanup: sort file lists & struct declatationsCampbell Barton
2020-03-13Fluid: Potential fix for Eevee tests crashing with MantaflowSebastián Barschkis
Belongs to T73921. This commit fixes the crashes with light baking (disabled in f3a33a92987f). There is still a memory leak to be fixed though.
2020-03-13OpenSubdiv: Make non-full geometry less strict for sharpnessSergey Sharybin
Allow to mark individual vertices as infinitely sharp even if there is no full topology and no access to edges: infinite sharp vertices do not need connectivity information.
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