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author | Hans Goudey <h.goudey@me.com> | 2022-10-13 04:55:26 +0300 |
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committer | Hans Goudey <h.goudey@me.com> | 2022-10-13 04:55:57 +0300 |
commit | c34c6d3e25f2f4d96d124cb5ec43c4392e7de4dc (patch) | |
tree | 433c4a37571a262d4a88a2114957d1b59e33c09e /source/blender/blenkernel/BKE_editmesh_cache.h | |
parent | b3e6a2888a2d6c7040479fa34cb933870773df36 (diff) |
Mesh: Move runtime data out of DNA
This commit replaces the `Mesh_Runtime` struct embedded in `Mesh`
with `blender::bke::MeshRuntime`. This has quite a few benefits:
- It's possible to use C++ types like `std::mutex`, `Array`,
`BitVector`, etc. more easily
- Meshes saved in files are slightly smaller
- Copying and writing meshes is a bit more obvious without
clearing of runtime data, etc.
The first is by far the most important. It will allows us to avoid a
bunch of manual memory management boilerplate that is error-prone and
annoying. It should also simplify future CoW improvements for runtime
data.
This patch doesn't change anything besides changing `mesh.runtime.data`
to `mesh.runtime->data`. The cleanups above will happen separately.
Differential Revision: https://developer.blender.org/D16180
Diffstat (limited to 'source/blender/blenkernel/BKE_editmesh_cache.h')
-rw-r--r-- | source/blender/blenkernel/BKE_editmesh_cache.h | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/source/blender/blenkernel/BKE_editmesh_cache.h b/source/blender/blenkernel/BKE_editmesh_cache.h index 2640356ccf6..454a07be4e3 100644 --- a/source/blender/blenkernel/BKE_editmesh_cache.h +++ b/source/blender/blenkernel/BKE_editmesh_cache.h @@ -11,15 +11,25 @@ extern "C" { #endif struct BMEditMesh; -struct EditMeshData; -void BKE_editmesh_cache_ensure_poly_normals(struct BMEditMesh *em, struct EditMeshData *emd); -void BKE_editmesh_cache_ensure_vert_normals(struct BMEditMesh *em, struct EditMeshData *emd); +typedef struct EditMeshData { + /** when set, \a vertexNos, polyNos are lazy initialized */ + const float (*vertexCos)[3]; -void BKE_editmesh_cache_ensure_poly_centers(struct BMEditMesh *em, struct EditMeshData *emd); + /** lazy initialize (when \a vertexCos is set) */ + float const (*vertexNos)[3]; + float const (*polyNos)[3]; + /** also lazy init but don't depend on \a vertexCos */ + const float (*polyCos)[3]; +} EditMeshData; + +void BKE_editmesh_cache_ensure_poly_normals(struct BMEditMesh *em, EditMeshData *emd); +void BKE_editmesh_cache_ensure_vert_normals(struct BMEditMesh *em, EditMeshData *emd); + +void BKE_editmesh_cache_ensure_poly_centers(struct BMEditMesh *em, EditMeshData *emd); bool BKE_editmesh_cache_calc_minmax(struct BMEditMesh *em, - struct EditMeshData *emd, + EditMeshData *emd, float min[3], float max[3]); |