Geometry Nodes: move geometry set instance handling to separate file

In an upcoming commit I'll also move the make-instances-real functionality
to this file. This code is not essential to working with geometry sets in general,
so it makes sense to move it to a separate header.

1 files changed, 0 insertions, 22 deletions

diff --git a/source/blender/blenkernel/BKE_geometry_set.hh b/source/blender/blenkernel/BKE_geometry_set.hh
index 5b429a61b3f..02b3c88183a 100644
--- a/source/blender/blenkernel/BKE_geometry_set.hh
+++ b/source/blender/blenkernel/BKE_geometry_set.hh
@@ -467,25 +467,3 @@ class VolumeComponent : public GeometryComponent {
 
   static constexpr inline GeometryComponentType static_type = GeometryComponentType::Volume;
 };
-
-/**
- * Used to keep track of a group of instances using the same geometry data.
- */
-struct GeometryInstanceGroup {
-  /**
-   * The geometry set instanced on each of the transforms. The components are not necessarily
-   * owned here. For example, they may be owned by the instanced object. This cannot be a
-   * reference because not all instanced data will necessarily have a #geometry_set_eval.
-   */
-  GeometrySet geometry_set;
-
-  /**
-   * As an optimization to avoid copying, the same geometry set can be associated with multiple
-   * instances. Each instance is stored as a transform matrix here. Again, these must be owned
-   * because they may be transformed from the original data. TODO: Validate that last statement.
-   */
-  blender::Vector<blender::float4x4> transforms;
-};
-
-blender::Vector<GeometryInstanceGroup> BKE_geometry_set_gather_instances(
-    const GeometrySet &geometry_set);