From f827e3c84bc9ec585d16a796b614f4b1694e4507 Mon Sep 17 00:00:00 2001 From: Sergey Sharybin Date: Thu, 13 Sep 2018 11:29:08 +0200 Subject: Subdiv: Cache Subdiv in CCG surface Allows to do re-shaping easier, since we will know for sure what was the limit surface the CCG is created for. --- source/blender/blenkernel/BKE_subdiv_ccg.h | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) (limited to 'source/blender/blenkernel/BKE_subdiv_ccg.h') diff --git a/source/blender/blenkernel/BKE_subdiv_ccg.h b/source/blender/blenkernel/BKE_subdiv_ccg.h index 8f8a605d309..59a31e158cc 100644 --- a/source/blender/blenkernel/BKE_subdiv_ccg.h +++ b/source/blender/blenkernel/BKE_subdiv_ccg.h @@ -57,6 +57,12 @@ typedef struct SubdivToCCGSettings { /* Representation of subdivision surface which uses CCG grids. */ typedef struct SubdivCCG { + /* This is a subdivision surface this CCG was created for. + * + * TODO(sergey): Make sure the whole descriptor is valid, including all the + * displacement attached to the surface. + */ + struct Subdiv *subdiv; /* A level at which geometry was subdivided. This is what defines grid * resolution. It is NOT the topology refinement level. */ @@ -110,7 +116,14 @@ typedef struct SubdivCCG { */ } SubdivCCG; -/* Create real hi-res CCG from subdivision. */ +/* Create real hi-res CCG from subdivision. + * + * NOTE: CCG becomes an owner of subdiv. + * + * TODO(sergey): Allow some user-counter or more explicit control over who owns + * the Subdiv. The goal should be to allow viewport GL Mesh and CCG to share + * same Subsurf without conflicts. + */ struct SubdivCCG *BKE_subdiv_to_ccg( struct Subdiv *subdiv, const SubdivToCCGSettings *settings, -- cgit v1.2.3