diff options
author | Jacques Lucke <jacques@blender.org> | 2021-04-29 13:59:44 +0300 |
---|---|---|
committer | Jacques Lucke <jacques@blender.org> | 2021-04-29 13:59:44 +0300 |
commit | 4e10b196ac15339cfded8d5615f04ac40c93e19b (patch) | |
tree | a2288584d4433f1a32047adb393edb51cf863165 /source/blender/functions/FN_generic_virtual_array.hh | |
parent | f903e3a3fd003e5295f7aea35710a77b2e74f846 (diff) |
Functions: make copying virtual arrays to span more efficient
Sometimes functions expect a span instead of a virtual array.
If the virtual array is a span internally already, great. But if it is
not (e.g. the position attribute on a mesh), the elements have
to be copied over to a span.
This patch makes the copying process more efficient by giving
the compiler more opportunity for optimization.
Diffstat (limited to 'source/blender/functions/FN_generic_virtual_array.hh')
-rw-r--r-- | source/blender/functions/FN_generic_virtual_array.hh | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/source/blender/functions/FN_generic_virtual_array.hh b/source/blender/functions/FN_generic_virtual_array.hh index c1af00fd4cd..848deb6bc04 100644 --- a/source/blender/functions/FN_generic_virtual_array.hh +++ b/source/blender/functions/FN_generic_virtual_array.hh @@ -128,6 +128,7 @@ class GVArray { this->get_internal_single(r_value); } + void materialize_to_uninitialized(void *dst) const; void materialize_to_uninitialized(const IndexMask mask, void *dst) const; template<typename T> const VArray<T> *try_get_internal_varray() const @@ -152,6 +153,8 @@ class GVArray { virtual bool is_single_impl() const; virtual void get_internal_single_impl(void *UNUSED(r_value)) const; + virtual void materialize_to_uninitialized_impl(const IndexMask mask, void *dst) const; + virtual const void *try_get_internal_varray_impl() const; }; @@ -361,6 +364,11 @@ template<typename T> class GVArray_For_VArray : public GVArray { *(T *)r_value = varray_->get_internal_single(); } + void materialize_to_uninitialized_impl(const IndexMask mask, void *dst) const override + { + varray_->materialize_to_uninitialized(mask, MutableSpan((T *)dst, mask.min_array_size())); + } + const void *try_get_internal_varray_impl() const override { return varray_; |