Commit Graph

18 Commits

Author SHA1 Message Date
Brecht Van Lommel
f99f958c47 Refactor: Cycles: Add host_alloc/free to device API
This may be used for device to do host memory allocation in a way that
is more efficient for copy the host memory to the device.

Also rename and group device memory allocation functions for clarity.

Pull Request: https://projects.blender.org/blender/blender/pulls/134412
2025-02-13 19:58:56 +01:00
Brecht Van Lommel
e8ebcb3ee3 Fix: Cycles: Check if memory is host mapped without access to device_mem_map
This avoids concurrency issues.

Pull Request: https://projects.blender.org/blender/blender/pulls/132912
2025-01-29 14:12:23 +01:00
Brecht Van Lommel
2cfe2e0bfe Fix: Cycles: Re-copy memory from host to device without realloc
Should be a bit more efficient, and it fixes host memory fallback bugs,
where host memory was incorrectly freed during re-copy. For the case
where memory should get reallocated on the host, a new mem_move_to_host
was added.

Thanks to Jorn Visser for investigating and finding this problem.

Pull Request: https://projects.blender.org/blender/blender/pulls/132912
2025-01-29 14:11:50 +01:00
Brecht Van Lommel
57ff24cb99 Refactor: Cycles: Add const keyword to more function parameters
Pull Request: https://projects.blender.org/blender/blender/pulls/132361
2025-01-03 10:23:24 +01:00
Brecht Van Lommel
d0c2e68e5f Refactor: Cycles: Automated clang-tidy fixups in Cycles
* 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
2025-01-03 10:22:55 +01:00
Sergey Sharybin
b803d7fabb Fix: Command line Cycles render crash on multi-CUDA device
Since #118841 there are more cases where Cycles would check for the
graphics interop support. This could lead to a crash when graphics
interop functions are called without having active graphics context.

This change makes it so there is no graphics interop calls when doing
headless render. In order to achieve this the device creation is now
aware of the headless mode.

Pull Request: https://projects.blender.org/blender/blender/pulls/122844
2024-06-07 17:53:44 +02:00
Campbell Barton
c12994612b License headers: use SPDX-FileCopyrightText in intern/cycles 2023-06-14 16:53:23 +10:00
Xavier Hallade
9821a2d397 Cycles: pass kernel features to get_bvh_layout_mask
This allows to selectively disable Hardware Raytracing in oneAPI
backend, depending on features used.
2023-04-18 22:09:42 +02:00
Brecht Van Lommel
cc6d8cd573 Fix #105442: Cycles CUDA and HIP host memory fallback not working
Transforming the host pointer should not be done in an assert, it only works
in debug builds then. Caused by 6dcfb6d.
2023-03-17 21:52:29 +01:00
Nikita Sirgienko
6dcfb6df9c Cycles: Abstract host memory fallback for GPU devices
Host memory fallback in CUDA and HIP devices is almost identical.
We remove duplicated code and create a shared generic version that
other devices (oneAPI) will be able to use.

Reviewed By: brecht

Differential Revision: https://developer.blender.org/D17173
2023-02-06 22:19:32 +01:00
Chris Blackbourn
4b57bc4e5d Cleanup: format 2022-11-09 08:30:18 +13:00
Gon Solo
c306ccb67f Fix Cycles error with runtime compilation when there is no path to OptiX SDK
If no OPTIX_ROOT is set, nvcc fails to compile because there is a stray "-I"
in the arguments. Detect if the include path is empty and act accordingly.

Differential Revision: https://developer.blender.org/D16308
2022-11-08 19:40:57 +01:00
Brecht Van Lommel
9cfc7967dd Cycles: use SPDX license headers
* 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
2022-02-11 17:47:34 +01:00
Thomas Dinges
83a4d51997 Cleanup: Remove unused show_samples() device code in Cycles. 2021-11-17 11:16:48 +01:00
Brecht Van Lommel
fd25e883e2 Cycles: remove prefix from source code file names
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.
2021-10-26 15:37:04 +02:00
Brecht Van Lommel
ab8f24811d Cleanup: remove unused device code and includes 2021-09-24 16:34:14 +02:00
Brecht Van Lommel
d7f803f522 Fix T91641: crash rendering with 16k environment map in Cycles
Protect against integer overflow.
2021-09-23 17:48:16 +02:00
Brecht Van Lommel
0803119725 Cycles: merge of cycles-x branch, a major update to the renderer
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/Cycles
https://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
2021-09-21 14:55:54 +02:00