diff options
Diffstat (limited to 'source/blender/imbuf/intern/filter.c')
| -rw-r--r-- | source/blender/imbuf/intern/filter.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/source/blender/imbuf/intern/filter.c b/source/blender/imbuf/intern/filter.c index 343211eb6b0..fd9dac1af2b 100644 --- a/source/blender/imbuf/intern/filter.c +++ b/source/blender/imbuf/intern/filter.c @@ -302,3 +302,28 @@ void IMB_filter_extend(struct ImBuf *ibuf) } } +void IMB_makemipmap(ImBuf *ibuf, int use_filter) +{ + ImBuf *hbuf= ibuf; + int minsize, curmap=0; + + minsize= ibuf->x<ibuf->y?ibuf->x:ibuf->y; + + while(minsize>10 && curmap<IB_MIPMAP_LEVELS) { + if(use_filter) { + ImBuf *nbuf= IMB_allocImBuf(hbuf->x, hbuf->y, 32, IB_rect, 0); + IMB_filterN(nbuf, hbuf); + ibuf->mipmap[curmap]= IMB_onehalf(nbuf); + IMB_freeImBuf(nbuf); + } + else { + ibuf->mipmap[curmap]= IMB_onehalf(hbuf); + } + hbuf= ibuf->mipmap[curmap]; + + curmap++; + minsize= hbuf->x<hbuf->y?hbuf->x:hbuf->y; + } +} + + |