Blender Git Loki

Don't put PatchMap into global namespace.

Clarify buffer interface state comment.

Use proper enum type.

Comment.

Attempt to properly check if subsurf is the last enabled modifier for
the evaluation mode.

Use enum type.

Detect need for subdivision at the end of the depsgraph build.

Add copyright headers.

Correct comment, spelling.

Cleanup.

Cleanup, remove debug conditions.

Clarify "wrap".

Store the subdivision cache in the MeshBatchCache.

Move DAG_EVAL_NEED_SUBDIVISION_MESH to DEG_add_object_relation.

Remove todo comments.

Use PIMPL idiom, put PatchMap in blender::opensubdiv namespace.

etype

Cleanup, style.

Add support for sculpt data.

Deduplicate evaluator implementations.