diff options
Diffstat (limited to 'source/blender/blenkernel/intern')
| -rw-r--r-- | source/blender/blenkernel/intern/CCGSubSurf.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/CCGSubSurf.c b/source/blender/blenkernel/intern/CCGSubSurf.c index db2f41aca3e..a15d5938641 100644 --- a/source/blender/blenkernel/intern/CCGSubSurf.c +++ b/source/blender/blenkernel/intern/CCGSubSurf.c @@ -7,6 +7,7 @@ #include <string.h> #include <math.h> +#include "BKE_ccg.h" #include "CCGSubSurf.h" #include "BKE_subsurf.h" @@ -3101,3 +3102,30 @@ int ccgSubSurf_getNumFinalFaces(const CCGSubSurf *ss) int numFinalFaces = ss->numGrids * ((gridSize - 1) * (gridSize - 1)); return numFinalFaces; } + +/***/ + +void CCG_key(CCGKey *key, const CCGSubSurf *ss, int level) +{ + key->level = level; + + key->elem_size = ss->meshIFC.vertDataSize; + key->has_normals = ss->calcVertNormals; + key->num_layers = ss->meshIFC.numLayers; + + /* if normals are present, always the last three floats of an + element */ + if (key->has_normals) + key->normal_offset = key->elem_size - sizeof(float) * 3; + else + key->normal_offset = -1; + + key->grid_size = ccgSubSurf_getGridLevelSize(ss, level); + key->grid_area = key->grid_size * key->grid_size; + key->grid_bytes = key->elem_size * key->grid_area; +} + +void CCG_key_top_level(CCGKey *key, const CCGSubSurf *ss) +{ + CCG_key(key, ss, ccgSubSurf_getSubdivisionLevels(ss)); +} |