Previously, the number of material slots on the geometry (e.g. mesh) was the
ground truth. However, this had limitations in the case when the object had more
material slots than the evaluated geometry. All extra slots on the object were
ignored.
This patch changes the definition so that the number of materials used for
rendering is the maximum of the number of material slots on the geometry and on
the object. This also implies that one always needs a reference to an object
when determining that number, but that was fairly straight forward to achieve in
current code.
This patch also cleans up the material count handling a fair amount by using the
`BKE_object_material_*_eval` API more consistently instead of manually accessing
`totcol`. Cycles uses the the same API indirectly through RNA.
Pull Request: https://projects.blender.org/blender/blender/pulls/131869
Previously, the number of material slots on the geometry (e.g. mesh) was the
ground truth. However, this had limitations in the case when the object had more
material slots than the evaluated geometry. All extra slots on the object were
ignored.
This patch changes the definition so that the number of materials used for
rendering is the maximum of the number of material slots on the geometry and on
the object. This also implies that one always needs a reference to an object
when determining that number, but that was fairly straight forward to achieve in
current code.
This patch also cleans up the material count handling a fair amount by using the
`BKE_object_material_*_eval` API more consistently instead of manually accessing
`totcol`. Cycles uses the the same API indirectly through RNA.
Pull Request: https://projects.blender.org/blender/blender/pulls/131761
The formats was not using the correct attribute type.
Fixes assert in graph drawing and potential assert in cursor drawing
Fixes assert in sequencer and file browser
Currently replacing the Mesh during evaluation with the object info node
can cause us to use invalid original indices when the source object is
in edit mode. This is really a more fundamental problem though: we have
no way to tell whether an evaluated mesh actually corresponds to the
object's original mesh.
This commit changes to explicitly propagating the edit mesh pointer
through copied and changed meshes during modifier and nodes evaluation,
instead of just blindly copying the edit mode pointer from the original
mesh to the evaluated mesh. A benefit of not writing to the evaluated
mesh means it can be shared, potentially offering a future performance
improvement for uses of the object info node.
When we detect an invalid correspondence between the evaluated/original
meshes, we skip extracting the cage mesh's data and skip extracting edit
mesh data from the evaluated object.
This commit also moves the source of "object is in edit mode" truth in
the draw module from whether the evaluated mesh has an edit mode pointer
to the object's mode flag. That's a simplification that's also helpful
to reduce the strong linking between BMesh and edit mode.
Pull Request: https://projects.blender.org/blender/blender/pulls/120999
For C/C++ doc-strings should be located in headers,
move function comments into the headers, in some cases merging
with existing doc-strings, in other cases, moving implementation
notes into the function body.
Removes unused GPv2 functions in blenkernel.
Notes:
- Functions for layer masks are still in use, but annotations never
have layer masks in the first place. Would be good to remove the data
structures so we can remove the functions too.
- Some multi-frame edit functions are also still nominally used, but
multi-frame editing is not an active feature for annotations. This
should also be removed.
Pull Request: https://projects.blender.org/blender/blender/pulls/128709
Functional Changes:
- Custom shapes using empties now supports line width.
- Line width is supported on MacOS.
- Fixed Stick bone drawing on MacOS.
Some shaders are duplicated and ported to the new
primitive expansion API.
The legacy code inside `overlay_armature.cc` have been
guarded behind `NO_LEGACY_OVERLAY` which can
be enabled to make sure no legacy code is used unnoticed.
This allows for spotting more easily code that needs to be
ported. Moreover, it is easier to remove this legacy code
when the time comes.
Rel #102179
Pull Request: https://projects.blender.org/blender/blender/pulls/126474
This increases playback performance from 2.9fps to 3.2fps in the test file from #126391.
The check is unnecessary in draw code, because we know that the depsgraph
finished evaluation before. These checks were introduced to handle dependency
cycles during depsgraph evaluation.
At some point it may be nice to look into making these checks cheaper to avoid having
to use the unchecked version for performance reasons.
Add a `.data<T>()` method that retrieves a mutable span. This is useful
more and more as we change to filling in vertex buffer data arrays
directly, and compared to raw pointers it's safer too because of asserts
in debug builds.
Pull Request: https://projects.blender.org/blender/blender/pulls/123338
Now that all relevant code is C++, the indirection from the C struct
`GPUVertBuf` to the C++ `blender::gpu::VertBuf` class just adds
complexity and necessitates a wrapper API, making more cleanups like
use of RAII or other C++ types more difficult.
This commit replaces the C wrapper structs with direct use of the
vertex and index buffer base classes. In C++ we can choose which parts
of a class are private, so we don't risk exposing too many
implementation details here.
Pull Request: https://projects.blender.org/blender/blender/pulls/119825
Overall the transition to C++ in the draw module is awkwardly half
complete, but moving more code to a C++ namespace makes cleaning up
this code in other ways much easier, and the next C++ cleanup steps
are clear anyway.
"mesh" reads much better than "me" since "me" is a different word.
There's no reason to avoid using two more characters here. Replacing
all of these at once is better than encountering it repeatedly and
doing the same change bit by bit.
Avoid reusing the custom data type enum with additional values. Instead
use std::variant and type names to properly distinguish between custom
and generic attribute requests. Use a Vector to hold the requests.
Also attempt to simplify the string key building process for requests
and groups of requests in batches. Previously for every PBVH node it
would rebuild the key 3 times, now it only does it once. It's hard to
measure, but that process did show up in profiles, so performance is
probably slightly improved when many nodes are handled at once.
Listing the "Blender Foundation" as copyright holder implied the Blender
Foundation holds copyright to files which may include work from many
developers.
While keeping copyright on headers makes sense for isolated libraries,
Blender's own code may be refactored or moved between files in a way
that makes the per file copyright holders less meaningful.
Copyright references to the "Blender Foundation" have been replaced with
"Blender Authors", with the exception of `./extern/` since these this
contains libraries which are more isolated, any changed to license
headers there can be handled on a case-by-case basis.
Some directories in `./intern/` have also been excluded:
- `./intern/cycles/` it's own `AUTHORS` file is planned.
- `./intern/opensubdiv/`.
An "AUTHORS" file has been added, using the chromium projects authors
file as a template.
Design task: #110784
Ref !110783.
Using ClangBuildAnalyzer on the whole Blender build, it was pointing
out that BLI_math.h is the heaviest "header hub" (i.e. non tiny file
that is included a lot).
However, there's very little (actually zero) source files in Blender
that need "all the math" (base, colors, vectors, matrices,
quaternions, intersection, interpolation, statistics, solvers and
time). A common use case is source files needing just vectors, or
just vectors & matrices, or just colors etc. Actually, 181 files
were including the whole math thing without needing it at all.
This change removes BLI_math.h completely, and instead in all the
places that need it, includes BLI_math_vector.h or BLI_math_color.h
and so on.
Change from that:
- BLI_math_color.h was included 1399 times -> now 408 (took 114.0sec
to parse -> now 36.3sec)
- BLI_simd.h 1403 -> 418 (109.7sec -> 34.9sec).
Full rebuild of Blender (Apple M1, Xcode, RelWithDebInfo) is not
affected much (342sec -> 334sec). Most of benefit would be when
someone's changing BLI_simd.h or BLI_math_color.h or similar files,
that now there's 3x fewer files result in a recompile.
Pull Request #110944
