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Also add missing task ID.
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When verbose level 4 is enabled, Blender prints kernel performance
data for Cycles on GPU backends (except Metal that doesn't use
debug_enqueue_* methods) for groups of kernels.
These changes introduce a new CYCLES_DEBUG_PER_KERNEL_PERFORMANCE
environment variable to allow getting timings for each kernels
separately and not grouped with others. This is done by adding
explicit synchronization after each kernel execution.
Differential Revision: https://developer.blender.org/D15971
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Debug and Release libs are different libs on
Windows and will give linker errors when you
try to mix and match them.
This changes retrieves both libs and fills the
OPENPGL_LIBRARIES variable appropriately resolving
the linker error.
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This patch optimises the Metal inlining policy. It gives a small speedup (2-3% on M1 Max) with no notable compilation slowdown vs what is already in master. Previously noted compilation slowdowns (as reported in T100102) were caused by forcing inlining for `ccl_device`, but we get better rendering perf by relying on compiler heuristics in these cases.
Reviewed By: brecht
Differential Revision: https://developer.blender.org/D16081
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An bug with binary archives was fixed in macOS 13.0 which stops some spurious kernel recompilations. In older macOS versions, falling back on the system shader cache will prevent recompilations in most instances (this is the same behaviour as in Blender 3.1.x and 3.2.x).
Reviewed By: brecht
Differential Revision: https://developer.blender.org/D16082
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This adds path guiding features into Cycles by integrating Intel's Open Path
Guiding Library. It can be enabled in the Sampling > Path Guiding panel in the
render properties.
This feature helps reduce noise in scenes where finding a path to light is
difficult for regular path tracing.
The current implementation supports guiding directional sampling decisions on
surfaces, when the material contains a least one diffuse component, and in
volumes with isotropic and anisotropic Henyey-Greenstein phase functions.
On surfaces, the guided sampling decision is proportional to the product of
the incident radiance and the normal-oriented cosine lobe and in volumes it
is proportional to the product of the incident radiance and the phase function.
The incident radiance field of a scene is learned and updated during rendering
after each per-frame rendering iteration/progression.
At the moment, path guiding is only supported by the CPU backend. Support for
GPU backends will be added in future versions of OpenPGL.
Ref T92571
Differential Revision: https://developer.blender.org/D15286
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Simplifies code overall to do it inside the eval function, most of the BSDFs
already compute the dot product.
The refactoring in bsdf_principled_hair_eval() was needed to avoid a HIP
compiler bug. Cause is unclear, just changing the implementation enough
is meant to sidestep it.
Ref T92571, D15286
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* Return roughness and IOR for BSDF sampling
* Add functions to query IOR and label for given BSDF
* Default IOR to 1.0 instead of 0.0 for BSDFs that don't use it
* Ensure pdf >= 0.0 in case of numerical precision issues
Ref T92571, D15286
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When the GHOST back-end Blender was built with isn't supported,
Blender would crash on startup without any useful information.
This could happen when building X11 only, then running on Wayland.
Now show a list of the GHOST back-ends that were attempted and exit
with an error code instead of crashing.
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Match minimum supported versions from the WIKI [0] by raising them to:
- GCC 9.3.1
- CLANG 8.0
- MVCS 2019 (16.9.16 / 1928)
Details:
- Add CMake checks that ensure supported compiler versions early on.
- Previously GCC per-processor version checks served to exclude
`__clang__`, in some cases this has been replaced by explicitly
excluding `__clang__`. This was needed as CLANG treated some of these
flags differently to GCC, causing the build to fail.
- Remove USE_APPLE_OMP_FIX GCC-4.2 OpenMP workaround.
- Remove linking error workaround for old MSVC versions.
[0]: https://wiki.blender.org/wiki/Building_Blender
Reviewed by: brecht, LazyDodo
Ref D16068
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There was an unused argument warning, quiet by using the argument.
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Available on Windows and macOS, where such gestures are supported.
For Windows, disabling this option restores touchpad behavior to
match Blender 3.2.
Ref T97925
Differential Revision: https://developer.blender.org/D16005
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Windows drivers 101.3430 fix an important GUI-related crash and it's
best to prevent users from running into it.
Linux drivers weren't affected but still had relevant gpu binary
compatibility fixes, so it makes sense to keep the min-supported version
aligned across OSes.
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Use function style casts in C++ headers & source.
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This also simplifies using function style casts when moving to C++.
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Some changes missed from f68cfd6bb078482c4a779a6e26a56e2734edb5b8.
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Some changes missed from f68cfd6bb078482c4a779a6e26a56e2734edb5b8.
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This is very similar to D14077. There are two differences though.
First is that vertex creases are already stored in a separate layer,
and second is that we can now completely remove use of `Mesh.cd_flag`,
since that information is now inherent to whether the layers exist.
There are two functional differences here:
* Operators are used to add and remove layers instead of a property.
* The "crease" attribute can be created and removed by geometry nodes.
The second change should make various geometry nodes slightly faster,
since the "crease" attribute was always processed before. Creases are
now interpolated generically in the CustomData API too, which should
help maintain the values across edits better.
Meshes get an `edge_creases` RNA property like the existing vertex
property, to provide more efficient access to the data in Cycles.
One test failure is expected, where different rounding between float
the old char storage means that 5 additional points are scattered in
a geometry nodes test.
Differential Revision: https://developer.blender.org/D15927
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Use STREQ for readability.
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This is already the case for most CMake usage.
Although some find modules are an exception to this, as they were
originally maintained externally they use some different conventions.
Also corrected bad indentation in: intern/cycles/CMakeLists.txt
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name collision.
For the Metal shader translation support for shader-global uniforms are remapped via macro's, and in such cases where a uniform name matches a vertex attribute name, compilation errors will occur due to this injected syntax being incompatible with the immediate code.
Also adding source-level function interface alternatives where sized arrays are passed in. These are not supported directly in Metal shading language and are instead handled as pointers. These pointers require explicit address-space qualifiers in some cases, if device/constant address space memory is passed into the function.
Ref T96261
Reviewed By: fclem
Differential Revision: https://developer.blender.org/D15898
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MTLContext provides functionality for command encoding, binding management and graphics device management. MTLImmediate provides simple draw enablement with dynamically encoded data. These draws utilise temporary scratch buffer memory to provide minimal bandwidth overhead during workload submission.
This patch also contains empty placeholders for MTLBatch and MTLDrawList to enable testing of first pixels on-screen without failure.
The Metal API also requires access to the GHOST_Context to ensure the same pre-initialized Metal GPU device is used by the viewport. Given the explicit nature of Metal, explicit control is also needed over presentation, to ensure correct work scheduling and rendering pipeline state.
Authored by Apple: Michael Parkin-White
Ref T96261
(The diff is based on 043f59cb3b5835ba1a0bbf6f1cbad080b527f7f6)
Reviewed By: fclem
Differential Revision: https://developer.blender.org/D15953
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Now explicitly including math.h first before #defining funcitons.
This avoids undefined behavior and improves compatibility with
different SYCL compilers and backends.
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Support iterating over modifiers, instead of using macros.
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Also remove unused numpad & caplock key index storage.
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Differential Revision: https://developer.blender.org/D16027
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This doesn't work with path guiding, and likely other features.
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GHOST_SystemWayland::getModifierKeys() now returns the correct
modifier keys held instead of guessing that both left/right modifiers
were held.
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Check modifier keys using XKB_STATE_MODS_DEPRESSED which is used
to check if modifiers are physically held. In practice it's unlikely
this would have caused an error for key-maps in common use.
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* Windows build fixes
* Workaround for Hydra + OpenColorIO link issue
* Bump version
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Switch to target_ functions to avoid this.
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Holding the OS (Windows) key on Win32 used key-repeat behavior.
While as far as I know it didn't cause user visible errors - sending
repeated modifier events isn't expected behavior and doesn't happen
on other platforms (or for other modifier keys).
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Handling the OS key now match other modifiers in GHOST which detect
each key separately, making the behavior simpler to reason about since
mapping a single key to a modifier state is simpler, avoiding handling
that only applied to the OS-Key.
This means simulating key up/down events can use the correct modifier.
In the window-manager this is still only accessed accessed via KM_OSKEY.
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This only affected meshes containing degenerate triangles.
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