Commit Graph

7776 Commits

Author SHA1 Message Date
Nikita Sirgienko 1dcc8e6ffa Fix #107356: Cycles: improve oneAPI error handling 2023-05-03 12:06:08 +02:00
Campbell Barton 6b9a500a3a Cleanup: disambiguate terms "name", "file" & "str" / "string"
- Rename name/filename/path to filepath when it's used for full paths.
- Rename name/path to dirpath when it refers to a directory.
- Rename file to filepath or path (when it may be a file or dir).
- Rename ImBuf::name & anim::name to filepath.
2023-05-03 15:26:14 +10:00
Erik Abrahamsson 5b876b810f Fix #106776: Volume cube won't render in Cycles
In some cases the Geometry Nodes Volume Cube generates
a Volume grid that doesn't contain any leaf nodes. This can happen
when only tiles are needed to represent the volume.

This PR changes the `empty_grid` check function to also check if
there are any active tiles in the grid before returning `true`.

Pull Request: https://projects.blender.org/blender/blender/pulls/107551
2023-05-02 20:13:58 +02:00
Campbell Barton a0db0a5580 Cleanup: move comments wrapped with MultiLine control statements
In some cases comments at the end of control statements were wrapped
onto new lines which made it read as if they applied to the next line
instead of the (now) previous line.

Relocate comments to the previous line or in some cases the end of the
line (before the brace) to avoid confusion.

Note that in quite a few cases these blocks didn't read well
even before MultiLine was used as comments after the brace caused
wrapping across multiple lines in a way that didn't follow
formatting used everywhere else.
2023-05-02 09:54:48 +10:00
Campbell Barton 6859bb6e67 Cleanup: format (with BraceWrapping::AfterControlStatement "MultiLine") 2023-05-02 09:37:49 +10:00
Aldo Bleeker d68ed238b9 Cycles: solve compilation errors with OptiX 7.7
* User simpler API names that accept both PTX and OptiX-IR
* New argument for optixProgramGroupGetStackSize, leave to default
* Remove OptixPipelineLinkOptions::debugLevel that does nothing

Pull Request: https://projects.blender.org/blender/blender/pulls/107450
2023-05-01 12:07:26 +02:00
Jesse Yurkovich 97222519de Fix #106945: IES file parsing failures
There were two issues here preventing the proper display of the IES
files in question.

The primary one was that these lights are actually vertical. Their
profiles actually point upwards from 90deg to 180deg but our parser was
trying hard to adjust it to start at 0deg incorrectly.

Lastly, the files in question ended with the parser in the `eof`
state - they are "missing" the final carriage return that other IES
files tend to have but other viewers don't seem to mind. Change the
`eof` check instead for a better one that will indicate if any parsing
errors occurred along the way.

Pull Request: https://projects.blender.org/blender/blender/pulls/107320
2023-04-28 23:29:04 +02:00
Brecht Van Lommel 5b69be00a6 Fix Cycles MetalRT not working after recent oneAPI changes
Forgot to initialize the device info.
2023-04-28 19:54:49 +02:00
Xavier Hallade 252b0a023e Cycles: use intrinsics for fast_rint
MSVC can't optimize it out and even keeps an external call to CRT
function rintf: https://godbolt.org/z/Ex9vjf8vj

It does translate to a real speedup on windows on some scenes, here are the ratios I had on my 13900K:
classroom	101.53%
junkshop	100.71%
monster	100.76%
attic	107.98%
bistro	113.00%

Pull Request: https://projects.blender.org/blender/blender/pulls/107371
2023-04-28 18:49:46 +02:00
Sergey Sharybin 7738f93d56 Cycles: Support newer version of sse2neon
Since the version v1.5.0 of sse2neon the functionality for denormals
flushing is implemented in the library. This commit makes it so the
_MM_SET_FLUSH_ZERO_MODE and _MM_SET_DENORMALS_ZERO_MODE are used from
the ss2neon if available.

This solves macro re-definition when a newer sse2neon is used.

The change is implemented in a way that both current and new sse2neon
are supported.
2023-04-28 17:36:02 +02:00
Sergey Sharybin 86a14faf69 Fix CUDA/OptiX compilation error in Cycles
Apparently, it does not seem to support hex notation for
floating point values.

Pull Request: https://projects.blender.org/blender/blender/pulls/107424
2023-04-28 10:51:03 +02:00
Sergey Sharybin 02b5c04b2b Fix intersection distance offset in Cycles
The intersection distance offset in Cycles could have returned
a denormal floating point value for the input values of 0 (and
for the denormal input value).

This could lead to a situation when ray is unable to be advanced
when it hits an edge between two triangles: the intersection will
keep bouncing between two adjacent triangles. This is because the
ray->tmin is compared inclusively, and 0 >= <denormal zero>.

The solution is to return the smallest possible normalized floating
point value from the intersection_t_offset if the input is zero
or a denormal value (which is covered by the same t == 0 check).

This fix is hard to measure on the user level. The old code did
not cause any infinite traversal loop because of the way how the
integration is organized (some kernels offset ray.P, others check
for the number of bounces). It is possible that this fixes some
corner cases of noise: i.e. if some shadow rays falsefully were
considered occluded due to reached maximum number of bounces.

The actual problematic case was discovered during working on a
prototype which had an in-lined intersection loop with the ray
tmin offset.

Pull Request: https://projects.blender.org/blender/blender/pulls/107364
2023-04-26 11:36:37 +02:00
Campbell Barton db1af0e325 Cleanup: spelling in comments 2023-04-26 16:14:07 +10:00
Sahar A. Kashi 557a245dd5 Cycles: add HIP RT device, for AMD hardware ray tracing on Windows
HIP RT enables AMD hardware ray tracing on RDNA2 and above, and falls back to a
to shader implementation for older graphics cards. It offers an average 25%
sample rendering rate improvement in Cycles benchmarks, on a W6800 card.

The ray tracing feature functions are accessed through HIP RT SDK, available on
GPUOpen. HIP RT traversal functionality is pre-compiled in bitcode format and
shipped with the SDK.

This is not yet enabled as there are issues to be resolved, but landing the
code now makes testing and further changes easier.

Known limitations:
* Not working yet with current public AMD drivers.
* Visual artifact in motion blur.
* One of the buffers allocated for traversal has a static size. Allocating it
  dynamically would reduce memory usage.
* This is for Windows only currently, no Linux support.

Co-authored-by: Brecht Van Lommel <brecht@blender.org>

Ref #105538
2023-04-25 20:19:43 +02:00
Brecht Van Lommel 63dfbdc187 Fix mistake in Cycles float4 pow
Not currently used anywhere, so should be no user visible change.
2023-04-25 20:19:43 +02:00
Brecht Van Lommel ca52f0fae3 Cleanup: make format 2023-04-25 20:19:43 +02:00
Michael Jones d0467a277a Cycles: MetalRT: Don't apply local object transform if it is baked
This patch fixes the failing shader/bevel unit test when MetalRT is enabled. The ray was being transformed into local object space even when the SD_OBJECT_TRANSFORM_APPLIED flag was set.

Pull Request: https://projects.blender.org/blender/blender/pulls/107292
2023-04-24 15:20:21 +02:00
Alaska 4259105d68 Clean up: Fix spacing on Cycles debug message "Use MNEE"
This changes the Cycles Debug message for "Use MNEE" from:
"Use MNEEFalse"
to
"Use MNEE False"

Pull Request: https://projects.blender.org/blender/blender/pulls/107269
2023-04-24 08:49:14 +02:00
Nikita Sirgienko 4babb7c02e Cycles: oneAPI: Fix volume intersection for Embree GPU execution 2023-04-20 21:20:33 +02:00
Nikita Sirgienko 0d9fa73b42 Cycles: oneAPI: Fix motion blur rendering for Embree GPU execution
CPU non-unified shared memory was used for shared geometry buffers.
For the Embree GPU case, we now create new geometry buffers on GPU instead.
2023-04-20 21:20:33 +02:00
Nikita Sirgienko 7e92fb92ec Cycles: oneAPI: Fix kernels preloading in case of incompatible AoT binaries
When running oneAPI with AoT binaries, on hardware that's not compatible with
these, recompilation could have been missing from the kernels loading phase and
happen during execution instead.

These changes fixes it, any kernel compilation will now happen during the
kernels loading phase.
2023-04-20 21:20:33 +02:00
William Leeson 475f9a3e23 Cycles: Break up geometry.cpp and scene.cpp file into smaller pieces
Scene.cpp  and Geometry.cpp are large file it can be broken up into smaller easier to handle files. This change has been broken out from #105403 to make understanding the changes easier.

geometry.cpp is broken up into:
1. geometry.cpp
2. geometry_attributes.cpp
3. geometry_bvh.cpp
4. geometry_mesh.cpp

scene.h & scene.cpp is broken into:
1. scene.h
2. scene.cpp
3. devicescene.h
4. devicescene.cpp

Pull Request: https://projects.blender.org/blender/blender/pulls/107079
2023-04-20 12:26:02 +02:00
Nikita Sirgienko 7ce10ebbbf Cycles: oneAPI: Remove excess quotes in a capabilities output 2023-04-20 11:09:16 +02:00
Brecht Van Lommel d5757a0a10 Cycles: re-enable AMD GPU binaries on Windows
Using the new HIP SDK 5.5 that includes a fix for the compiler bug.

This also enables the light tree.

For Linux the binaries are still disabled. ROCm 5.5 is planned to
include the same fix but not released yet. When that happens we
should be able to enable Linux as well.

Ref #104786
Fix #104085

Pull Request: https://projects.blender.org/blender/blender/pulls/107098
2023-04-19 18:18:05 +02:00
Sergey Sharybin daaed83a32 Fix set but unused variables in Cycles 2023-04-19 10:02:09 +02:00
Sergey Sharybin 7982d86117 Fix unqualified access to std::move in Cycles 2023-04-19 10:02:09 +02:00
Campbell Barton eb2867de90 Cleanup: spelling in comments 2023-04-19 08:02:41 +10:00
Xavier Hallade 4382a0b350 Cleanup: avoid warnings from gcc in oneAPI device compilation
When building using GCC and with Embree without GPU support, there were
a few unused variables and a non-defined macro.
2023-04-18 22:40:40 +02:00
Xavier Hallade 70892e82ac Cycles: oneAPI: use specialization constant to compile with/without Embree on GPU 2023-04-18 22:09:42 +02:00
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
Nikita Sirgienko 3f8c995109 Cycles: add hardware raytracing support to oneAPI device
Updated Embree 4 library with GPU support is required for it to be
compiled - compatiblity with Embree 3 and Embree 4 without GPU support
is maintained.
Enabling hardware raytracing is an opt-in user setting for now.

Pull Request: https://projects.blender.org/blender/blender/pulls/106266
2023-04-18 22:09:42 +02:00
Xavier Hallade 887022257d Cycles: update DPCPP to 2022-12 release
We also backport a patch to program_manager to it as
https://github.com/intel/llvm/commit/61e51015a516f587eb2b8728aabe7d15b9fdb69e
helps avoid unnecessary recompilation when enumerating available
kernels.
2023-04-18 22:09:41 +02:00
Xavier Hallade 954c6c0ae6 Revert "Cycles: move oneAPI kernels dynamic library to blender.shared"
This reverts commit df096eab77.
There is a corner case for when WITH_CYCLES_ONEAPI_BINARIES is set to on
and later turned off during config, in case there is no ocloc.
2023-04-18 18:48:37 +02:00
Weizhen Huang 4d7a7ce67c Fix #107050: accessing nullptr after progress is canceled 2023-04-18 11:58:07 +02:00
Xavier Hallade df096eab77 Cycles: move oneAPI kernels dynamic library to blender.shared
After 17800e0c03, the oneAPI kernels library was still able to find sycl6.dll but that wasn't reliable.
We fix this by moving the oneAPI kernels library also into blender.shared.

Pull Request: https://projects.blender.org/blender/blender/pulls/106894
2023-04-17 21:47:35 +02:00
Brecht Van Lommel 09b770388a Fix #107004: Cycles shadow caustics not working with area lights
Tested the wrong variable after a refactor for light spread.
2023-04-17 20:46:08 +02:00
Brecht Van Lommel 870930bc32 Fix build error using WITH_CYCLES_LOGGING=OFF
Mismatch between glog and stubs. CHECK_NULL does not exist also. Tests
also require logging to be available.
2023-04-17 20:36:18 +02:00
Brecht Van Lommel 74eda0b6fc Fix build error on macOS after previous commit 2023-04-17 17:47:29 +02:00
Brecht Van Lommel 92919864a0 Fix #106293: Cycles importance sampling with multiple suns works poorly
Keep sun in importance map in this case, as we do not use special sun
importance sampling in this case.
2023-04-17 17:30:47 +02:00
Alaska cff94a808e Fix #106706: fireflies with Nishita sky sun sampling at certain angles
Due to floating point differences between importance sampling and
texture evaluation, disagreeing on whether or not a ray lies within
the sun disc.

* Use the same input values for geographical_to_direction() in
  sky_radiance_nishita() and kernel_data.background.sun.
* The mathematical operations in pdf_uniform_cone() were adjusted to
  match sky_radiance_nishita().

Pull Request: https://projects.blender.org/blender/blender/pulls/106764
2023-04-17 17:29:27 +02:00
Brecht Van Lommel 0bc957063c Fix #106405: Cycles multi GPU crash with vertex color baking
Avoid division by zero when one of the devices gets no work.
2023-04-17 15:31:35 +02:00
Hans Goudey 2a4323c2f5 Mesh: Move edges to a generic attribute
Implements #95966, as the final step of #95965.

This commit changes the storage of mesh edge vertex indices from the
`MEdge` type to the generic `int2` attribute type. This follows the
general design for geometry and the attribute system, where the data
storage type and the usage semantics are separated.

The main benefit of the change is reduced memory usage-- the
requirements of storing mesh edges is reduced by 1/3. For example,
this saves 8MB on a 1 million vertex grid. This also gives performance
benefits to any memory-bound mesh processing algorithm that uses edges.

Another benefit is that all of the edge's vertex indices are
contiguous. In a few cases, it's helpful to process all of them as
`Span<int>` rather than `Span<int2>`. Similarly, the type is more
likely to match a generic format used by a library, or code that
shouldn't know about specific Blender `Mesh` types.

Various Notes:
- The `.edge_verts` name is used to reflect a mapping between domains,
  similar to `.corner_verts`, etc. The period means that it the data
  shouldn't change arbitrarily by the user or procedural operations.
- `edge[0]` is now used instead of `edge.v1`
- Signed integers are used instead of unsigned to reduce the mixing
  of signed-ness, which can be error prone.
- All of the previously used core mesh data types (`MVert`, `MEdge`,
  `MLoop`, `MPoly` are now deprecated. Only generic types are used).
- The `vec2i` DNA type is used in the few C files where necessary.

Pull Request: https://projects.blender.org/blender/blender/pulls/106638
2023-04-17 13:47:41 +02:00
Bastien Montagne dfa42c614f Cleanup: UI messages fixes and tweaks. 2023-04-17 11:41:10 +02:00
Weizhen Huang bfd1836861 Cycles: add instancing support in light tree
Build a subtree for each unique mesh light.

Pull Request: #106683
2023-04-14 19:12:16 +02:00
Hans Goudey 988f23cec3 Attributes: Add 2D integer vector attribute type
This type will be used to store mesh edges in #106638, but it could
be used for anything else too. This commit adds support for:
- The new type in the Python API
- Editing the type in the edit mode "Attribute Set" operator
- Rendering the type in EEVEE and Cycles for all geometry types
- Geometry nodes attribute interpolation and mixing
- Viewing the type in the spreadsheet and using row filters

The attribute uses the `blender::int2` type in most code, and
the `vec2i` DNA type in C code when necessary. The enum names
are based on `INT32_2D` for consistency with `INT8` and `INT32`.

Pull Request: https://projects.blender.org/blender/blender/pulls/106677
2023-04-14 16:08:05 +02:00
Campbell Barton 37b7702d74 Cleanup: comment blocks, #if 0 commented code 2023-04-14 13:51:38 +10:00
Patrick Mours 5ba35b3d15 Fix #106748: Rendering with OSL fails with OPTIX_ERROR_PIPELINE_LINK_ERROR
The OSL GPU services implementation of noise intrinsics was missing the
overloads for derivatives and therefore OptiX pipeline creation would fail if
those were referenced.
2023-04-13 15:52:23 +02:00
Sebastian Parborg aa6e95281f Add support for OpenPGL 0.5.0
Some functions changed slightly for this non beta release.
No functional changes though as we didn't use what was removed.

Pull Request: https://projects.blender.org/blender/blender/pulls/106861
2023-04-13 11:44:35 +02:00
Sergey Sharybin e5d50b1787 Fix Cycles unknown passes logged when build with Cycles debug
When WITH_CYCLES_DEBUG is set to ON the following errors are
printed to the console:

E0412 15:51:22.588564 7996345 sync.cpp:737] Unknown pass Guiding Color
E0412 15:51:22.588605 7996345 sync.cpp:737] Unknown pass Guiding Probability
E0412 15:51:22.588613 7996345 sync.cpp:737] Unknown pass Guiding Average Roughness

This change fixes this by treating the guiding passes the same
way as all other passes, solving the errors and making it possible
to visualize guiding passes in the viewport later on.

Pull Request: https://projects.blender.org/blender/blender/pulls/106863
2023-04-13 10:27:07 +02:00
Damien Picard 5cf365554b I18n: disambiguate a few messages
- "Lens" can be a transparent object used in cameras, or specifically
  its property of focal length
- "Empty" can be an adjective meaning void, or an object type. The
  latter is already disambiguated using `ID_ID`
- "New" and "Old" are adjectives that can have agreements in some
  languages
- "Modified" is an adjective that can have agreement in some languages
- "Clipping" can be a property of a camera, or a behavior of the
  mirror modifier
- "Value" in HSV nodes, see #105113
- "Area" in the Face Area geometry node, can mean a measurement or a
  window type
- "New" is an adjective that can have agreement
- "Tab" can be a UI element or a whitespace character
- "Volume" can mean a measurement or an object type. The latter is
  already disambiguated using `ID_ID`

These changes introduce the new `BLT_I18NCONTEXT_TIME` translation
context.

They also remove `BLT_I18NCONTEXT_VIRTUAL_REALITY`, which I added at
one point but then couldn't find which messages I wanted to fix with
it.

Ref #43295

Pull Request: #106718
2023-04-12 15:09:17 +02:00