* Add GraphicsInteropDevice to check if interop is possible with device
* Rename GraphcisInterop to GraphicsInteropBuffer
* Include display device type and memory size in GraphicsInteropBuffer
* Unnest graphics interop class to make forward declarations possible
Pull Request: https://projects.blender.org/blender/blender/pulls/137363
Check was misc-const-correctness, combined with readability-isolate-declaration
as suggested by the docs.
Temporarily clang-format "QualifierAlignment: Left" was used to get consistency
with the prevailing order of keywords.
Pull Request: https://projects.blender.org/blender/blender/pulls/132361
* Use .empty() and .data()
* Use nullptr instead of 0
* No else after return
* Simple class member initialization
* Add override for virtual methods
* Include C++ instead of C headers
* Remove some unused includes
* Use default constructors
* Always use braces
* Consistent names in definition and declaration
* Change typedef to using
Pull Request: https://projects.blender.org/blender/blender/pulls/132361
Fix the unnecessary recreation of the denoiser that occurs if
Cycles had fallen back to an alternative denoiser in a previous
interation. (E.g. Fallback from OptiX to OIDN)
This issue occured because Cycles didn't understand that when it
previously setup the denoising device, that it had fallen back to
something else. So it thinks the denoising settings have been changes
and tries to recreate the denoiser.
The solution is to first compute the settings change due to
the fallback, then check to see if it's different from the current
denoiser, then recreate the denoiser device if neccesary.
Pull Request: https://projects.blender.org/blender/blender/pulls/125453
Fixes an issue where Blender would crash if the OptiX denoiser was
selected, but an unsupported GPU device (E.g. Intel GPU) was
selected in preferences.
This crash would occur because Cycles uses the device in preferences
to setup the denoiser, and there was no check stopping an unsupported
GPU from being used to try and setup and run the denoiser.
Pull Request: https://projects.blender.org/blender/blender/pulls/124001
Ever since the introduction of GPU OIDN denoising on CPU devices,
using the path_tracing_device info to pick the automatic denoiser has
typically led to incorrect results.
This commit fixes this issue by using the denoising device info to pick
the denoiser.
Pull Request: https://projects.blender.org/blender/blender/pulls/123593
Cycles automatic denoiser picker assumed that OIDN could not be
run on the GPU while the CPU was the render device. So if the user was
using their CPU for rendering, the automatic denoiser picker would
"fallback" to a different denoiser (OptiX or CPU OIDN). This was true
in Blender 4.1, but changed in 4.2. The UI assumed that OIDN could run
on the GPU if there was a compatible OIDN GPU device.
This lead to a issue on systems using the CPU for rendering
while having a NVIDIA GPU installed in the system. The
UI suggested that OIDN would be used, and would switch between
CPU and GPU depending on user preferences. But the automatic
denoiser picker in Cycle's backend said OIDN could not run on
the GPU in this situation and would always "fallback" to the
OptiX denoiser running on the NVIDIA GPU.
This created a mismatch between the UI and what Cycles was
acutally doing. This issue did not effect other GPU vendors because
their "fallback" was the OIDN denoiser.
This commit fixes this issue by aligning the Cycles automatic
denoiser picker in the backend with the UI. Using OIDN if a GPU
is supported, falling back to OptiX if it's not supported,
falling back to OIDN CPU if OptiX isn't supported,
then falling back to no denoiser if that's not supported.
Pull Request: https://projects.blender.org/blender/blender/pulls/123530
Additional requirement is to have OpenImageDenoiser, and the devices
should not support OIDN denoiser.
Reproduced here in the studio with a system on Linux with either double
Quadro GP100 cards, and Limnux with Quadro 6000 + Quadro 6000 ADA.
The reason for the crash is that the find_best_device() might return
nullptr, and it was never checked.
Pull Request: https://projects.blender.org/blender/blender/pulls/122823
Previously, GPU denoisers were ignoring settings about render
configuration and were using any available GPU. With these changes,
GPU denoisers will use the device selected in Blender Cycles
settings.
This allows any GPU denoiser to be used with CPU rendering.
Pull Request: https://projects.blender.org/blender/blender/pulls/118841
OpenImageDenoise V2 comes with GPU support for various backends. This adds a new class, OIDNDenoiserGPU, in order to add this functionality into the existing Cycles post processing pipeline without having to change it much. OptiX and OIDN CPU denoising remain as they are. Rendering on a supported Intel GPU will automatically select the GPU denoiser.
Device support is initially limited to the oneAPI devices that are supported by Cycles, but can be extended.
Ref #115045
Co-authored-by: Stefan Werner <stefan.werner@intel.com>
Co-authored-by: Ray Molenkamp <github@lazydodo.com>
Pull Request: https://projects.blender.org/blender/blender/pulls/108314
Cycles already treats denoising fairly separate in its code, with a
dedicated `Denoiser` base class used to describe denoising
behavior. That class has been fully implemented for OIDN
(`denoiser_oidn.cpp`), but for OptiX was mostly empty
(`denoiser_optix.cpp`) and denoising was instead implemented in
the OptiX device. That meant denoising code was split over various
files and directories, making it a bit awkward to work with. This
patch moves the OptiX denoising implementation into the existing
`OptiXDenoiser` class, so that everything is in one place. There are
no functional changes, code has been mostly moved as-is. To
retain support for potential other denoiser implementations based
on a GPU device in the future, the `DeviceDenoiser` base class was
kept and slightly extended (and its file renamed to
`denoiser_gpu.cpp` to follow similar naming rules as
`path_trace_work_*.cpp`).
Differential Revision: https://developer.blender.org/D16502
This patch causes the render buffers to be copied to the denoiser
device only once before denoising and output/display is then fed
from that single buffer on the denoiser device. That way usually all
but one copy (from all the render devices to the denoiser device)
can be eliminated, provided that the denoiser device is also the
display device (in which case interop is used to update the display).
As such this patch also adds some logic that tries to ensure the
chosen denoiser device is the same as the display device.
Differential Revision: https://developer.blender.org/D15657
* Replace license text in headers with SPDX identifiers.
* Remove specific license info from outdated readme.txt, instead leave details
to the source files.
* Add list of SPDX license identifiers used, and corresponding license texts.
* Update copyright dates while we're at it.
Ref D14069, T95597
Sometime throughout development some checks got lost during refactor.
This change makes it so that if OIDN is not supported on the current
CPU Cycles will report an error and stop rendering. This behavior is
similar to when an OptiX denoiser is requested and there is no OptiX
compatible device available.
The easiest way to verify this change is to force return false from
the `openimagedenoise_supported()`.
Fixes Cycles part of the T94127.
Differential Revision: https://developer.blender.org/D13944
Remove prefix of filenames that is the same as the folder name. This used
to help when #includes were using individual files, but now they are always
relative to the cycles root directory and so the prefixes are redundant.
For patches and branches, git merge and rebase should be able to detect the
renames and move over code to the right file.
* Split render/ into scene/ and session/. The scene/ folder now contains the
scene and its nodes. The session/ folder contains the render session and
associated data structures like drivers and render buffers.
* Move top level kernel headers into new folders kernel/camera/, kernel/film/,
kernel/light/, kernel/sample/, kernel/util/
* Move integrator related kernel headers into kernel/integrator/
* Move OSL shaders from kernel/shaders/ to kernel/osl/shaders/
For patches and branches, git merge and rebase should be able to detect the
renames and move over code to the right file.
This includes much improved GPU rendering performance, viewport interactivity,
new shadow catcher, revamped sampling settings, subsurface scattering anisotropy,
new GPU volume sampling, improved PMJ sampling pattern, and more.
Some features have also been removed or changed, breaking backwards compatibility.
Including the removal of the OpenCL backend, for which alternatives are under
development.
Release notes and code docs:
https://wiki.blender.org/wiki/Reference/Release_Notes/3.0/Cycleshttps://wiki.blender.org/wiki/Source/Render/Cycles
Credits:
* Sergey Sharybin
* Brecht Van Lommel
* Patrick Mours (OptiX backend)
* Christophe Hery (subsurface scattering anisotropy)
* William Leeson (PMJ sampling pattern)
* Alaska (various fixes and tweaks)
* Thomas Dinges (various fixes)
For the full commit history, see the cycles-x branch. This squashes together
all the changes since intermediate changes would often fail building or tests.
Ref T87839, T87837, T87836
Fixes T90734, T89353, T80267, T80267, T77185, T69800
