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Use struct identifiers in comments before the value.
This has some advantages:
- The struct identifiers didn't mix well with other code-comments,
where other comments were wrapped onto the next line.
- Minor changes could re-align all other comments in the struct.
- PyVarObject_HEAD_INIT & tp_name are no longer placed on the same line.
Remove overly verbose comments copied from PyTypeObject (Python v2.x),
these aren't especially helpful and get outdated.
Also corrected some outdated names:
- PyTypeObject.tp_print -> tp_vectorcall_offset
- PyTypeObject.tp_reserved -> tp_as_async
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This patch adds a placeholder for the vulkan backend.
When activated (`WITH_VULKAN_BACKEND=On` and `--gpu-backend vulkan`)
it might open a blender screen, but nothing should be visible as
none of the functions are implemented or otherwise crash on a nullptr.
This is expected as this is just a placeholder. The goal is to add shader compilation
+validation to this backend as one of the next steps so we can validate
changes to existing shaders on OpenGL, Metal and Vulkan at the same time.
Reviewed By: fclem
Differential Revision: https://developer.blender.org/D16338
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Function returns the active GPU backend type.
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Show the windowing environment on non MS-Windows/Apple systems,
since X11/WAYLAND are selected startup there was no convenient way
for users to know which back-end was being used.
Include the windowing environment in the About splash & system-info.txt
since it will be useful for handling bug reports.
This commit adds a private API call not intended for general use
as I would like to be able to remove this later and it's only needed
in the specific case of testing if Blender is using WAYLAND or X11
(which maybe be used via XWayland).
Python scripts can already inspect the system to check which windowing
environment used, the API call is mainly useful for troubleshooting.
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Uninitialized stack memory was used when intersecting 2D vectors.
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Missed flipping arguments for caller.
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Rename BKE_appdir_folder_id_version to
BKE_appdir_resource_path_id_with_version because BKE_appdir_folder_id
and BKE_appdir_folder_id_version didn't accept compatible arguments.
Also add notes to GHOST_getSystemDir & GHOST_getUserDir that
BKE_appdir_resource_path_id(..) should be used instead (in most cases).
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This is the conventional way of dealing with unused arguments in C++,
since it works on all compilers.
Regex find and replace: `UNUSED\((\w+)\)` -> `/*$1*/`
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Contributed by luzpaz.
Differential Revision: https://developer.blender.org/D16071
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Mathutils types were always GC tracked even when it wasn't intended.
Not having to track objects speeds up Python execution.
In an isolated benchmark created to stress test the GC
creating 4-million vectors (re-assigning them 100 times), this gives
an overall ~2.5x speedup, see: P3221.
Details:
Since [0] (which added support for sub-classed mathutils types)
tp_alloc was called which defaults to PyType_GenericAlloc which always
GC tracked the resulting object when Py_TPFLAGS_HAVE_GC was set.
Avoid using PyType_GenericAlloc unless the type is sub-classed,
in that case the object is un-tracked.
Add asserts that the tracked state is as expected before tracking &
un-tracking, to ensure changes to object creation don't cause objects
to be tracked unintentionally.
Also assign the PyTypeObject.tp_is_gc callback so types optionally GC
track objects only do so when an object is referenced.
[0]: fbd936494495d0de54eef24a97957e000306785f
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Improve correctness, API, comments, memory usage and performance
of the 2D convex hull calculation.
Pre-requisite for UV packing improvements.
Differential Revision: https://developer.blender.org/D16055
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Depending on the actual platform, Blender will disable features that are
known to have a faulty implementation. Add-on developers or users don't
have the ability to check what is actually enabled.
This patch will add the ability to check for
* Compute shader support `gpu.capabilities.compute_shader_support_get()`.
* SSBO support `gpu.capabilities.shader_storage_buffer_objects_support_get()`.
* Image load/store `gpu.capabilities.shader_image_load_store_support_get()`.
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Some changes missed from f68cfd6bb078482c4a779a6e26a56e2734edb5b8.
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Correction of U.dpi to hold actual monitor DPI. Simplify font sizing by
omitting DPI as API argument, always using 72 internally.
See D15961 for more details.
Differential Revision: https://developer.blender.org/D15961
Reviewed by Campbell Barton
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As with the other uniform methods, a single value is expected.
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Allow building a standalone mathutils without including imbuf.
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This simplifies python code.
When we call a method like shader.uniform_float("color", (1,1,1,1)),
we expect the shader's uniform to be updated regardless of whether the
shader is bound or not.
And `batch.draw()` already calls `GPU_shader_bind` inside.
Differential Revision: https://developer.blender.org/D15929
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While both are supported, 'arg' is in more common use so prefer it.
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And remove Python flags from nodes, no longer needed.
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Calling operators in background-mode always printed with the
assumption that output should never be hidden.
However operators called from `bpy.ops` were also printing reports to
the `stdout` (needed for the Python console and generally useful).
Resolve by adding a flag to signal that the owner of the ReportList
is responsible for printing to the `stdout`.
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This shader is required by some addons that need to modulate the alpha of images.
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The following changes have been made to this attribute with
WITH_PYTHON_MODULE is defined:
- Defaults to an empty string (instead of pointing to __init__.so).
- It's writable, so script authors can point to a valid Blender binary.
`where_am_i(..)` is no longer used by BKE_appdir_program_path_init,
there is now a separate code-path for setting the initial program
directory, calls after this can be used to set the binary path.
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Changed in Python 3.5, match Python's internal name.
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When Blender is built as a Python module, exit early if the major
and minor versions don't match. Without this, the error message can
be cryptic/unhelpful.
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Use `verts` instead of `vertices` and `polys` instead of `polygons`
in the API added in 05952aa94d33eeb50. This aligns better with
existing naming where the shorter names are much more common.
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For copy-on-write, we want to share attribute arrays between meshes
where possible. Mutable pointers like `Mesh.mvert` make that difficult
by making ownership vague. They also make code more complex by adding
redundancy.
The simplest solution is just removing them and retrieving layers from
`CustomData` as needed. Similar changes have already been applied to
curves and point clouds (e9f82d3dc7ee, 410a6efb747f). Removing use of
the pointers generally makes code more obvious and more reusable.
Mesh data is now accessed with a C++ API (`Mesh::edges()` or
`Mesh::edges_for_write()`), and a C API (`BKE_mesh_edges(mesh)`).
The CoW changes this commit makes possible are described in T95845
and T95842, and started in D14139 and D14140. The change also simplifies
the ongoing mesh struct-of-array refactors from T95965.
**RNA/Python Access Performance**
Theoretically, accessing mesh elements with the RNA API may become
slower, since the layer needs to be found on every random access.
However, overhead is already high enough that this doesn't make a
noticible differenc, and performance is actually improved in some
cases. Random access can be up to 10% faster, but other situations
might be a bit slower. Generally using `foreach_get/set` are the best
way to improve performance. See the differential revision for more
discussion about Python performance.
Cycles has been updated to use raw pointers and the internal Blender
mesh types, mostly because there is no sense in having this overhead
when it's already compiled with Blender. In my tests this roughly
halves the Cycles mesh creation time (0.19s to 0.10s for a 1 million
face grid).
Differential Revision: https://developer.blender.org/D15488
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Since rB6269d66da, creating formats no longer depends solely on the
shader, but now depends on the dimensions used to fill the VBOs.
This allows 3D shaders to work flawlessly when assigned dimensions are
2D.
So there's no real benefit to us having shaders that are limited to 2D
use anymore.
This limitation makes it difficult to implement other builtin shaders
as they indirectly require a 2D version.
So this commit removes the 2D versions of the builtin sahders used in
Python , renames the string enums but keeps the old enums working for
backward compatibility.
(This brings parts of the changes reviewed in D15836).
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Full support for translation and compilation of shaders in Metal, using
GPUShaderCreateInfo. Includes render pipeline state creation and management,
enabling all standard GPU viewport rendering features in Metal.
Authored by Apple: Michael Parkin-White, Marco Giordano
Ref T96261
Reviewed By: fclem
Maniphest Tasks: T96261
Differential Revision: https://developer.blender.org/D15563
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With the new `attrs_info_get` method, we can get information about
the attributes used in a `GPUShader` and thus have more freedom in the
automatic creation of `GPUVertFormat`s
Reviewed By: fclem, campbellbarton
Differential Revision: https://developer.blender.org/D15764
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Making the callers responsible for this isn't practical as matrices are
often passed indirectly to a functions such as mat3_to_axis_angle,
BKE_object_mat3_to_rot & BKE_pchan_mat3_to_rot.
Or the matrix is combined from other matrices which could be negative.
Given quaternions calculated from negative matrices are completely
invalid and checking only needs to negate matrices with a negative
determinant, move the check into mat3_to_quat and related functions.
Add mat3_normalized_to_quat_fast for cases no error checking on the
input matrix is needed such as blending rotations.
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Rotating a quaternion by a negative matrix gave an invalid result.
Follow up fix for T94231 which negated negative matrices too.
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The result of mat3_normalized_to_quat isn't valid for negative matrices.
Isolate the fix to the Matrix.to_quaternion() instead of changing
mat3_normalized_to_quat to prevent unintended side effects elsewhere.
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