diff options
| author | Nicholas Bishop <nicholasbishop@gmail.com> | 2012-03-14 10:31:24 +0400 |
|---|---|---|
| committer | Nicholas Bishop <nicholasbishop@gmail.com> | 2012-03-14 10:31:24 +0400 |
| commit | 0c918213646734acbbda110dca3fa2e2198b3894 (patch) | |
| tree | 0835c6f9ab9195740c1d17c1ffe924e3711bd93f /source/blender/blenkernel/intern/CCGSubSurf.c | |
| parent | 7f2acc173e13b36a7bcecf1ab749e15b219f35f3 (diff) | |
Add new CCG accessor functions.
ccg_gridsize() converts a level into gridsize, ccg_factor() is for
converting coordinates between different multires levels.
Diffstat (limited to 'source/blender/blenkernel/intern/CCGSubSurf.c')
| -rw-r--r-- | source/blender/blenkernel/intern/CCGSubSurf.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/source/blender/blenkernel/intern/CCGSubSurf.c b/source/blender/blenkernel/intern/CCGSubSurf.c index 7cee0272e4b..f0075217102 100644 --- a/source/blender/blenkernel/intern/CCGSubSurf.c +++ b/source/blender/blenkernel/intern/CCGSubSurf.c @@ -8,6 +8,7 @@ #include <math.h> #include "CCGSubSurf.h" +#include "BKE_subsurf.h" #include "MEM_guardedalloc.h" #include "BLO_sys_types.h" // for intptr_t support @@ -227,7 +228,7 @@ static CCGAllocatorIFC *_getStandardAllocatorIFC(void) /***/ -static int ccg_gridsize(int level) +int ccg_gridsize(int level) { BLI_assert(level > 0); BLI_assert(level <= 31); @@ -235,6 +236,14 @@ static int ccg_gridsize(int level) return (1 << (level - 1)) + 1; } +int ccg_factor(int low_level, int high_level) +{ + BLI_assert(low_level > 0 && high_level > 0); + BLI_assert(low_level <= high_level); + + return 1 << (high_level - low_level); +} + static int ccg_edgesize(int level) { BLI_assert(level > 0); |