diff options
Diffstat (limited to 'source/blender/nodes/intern/CMP_util.c')
| -rw-r--r-- | source/blender/nodes/intern/CMP_util.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/source/blender/nodes/intern/CMP_util.c b/source/blender/nodes/intern/CMP_util.c index 78025f4d964..b73a46c7d7d 100644 --- a/source/blender/nodes/intern/CMP_util.c +++ b/source/blender/nodes/intern/CMP_util.c @@ -1320,6 +1320,12 @@ void IIR_gauss(CompBuf* src, float sigma, int chan, int xy) if ((xy < 1) || (xy > 3)) xy = 3; + // XXX The YVV macro defined below explicitely expects sources of at least 3x3 pixels, + // so just skiping blur along faulty direction if src's def is below that limit! + if (src->x < 3) xy &= ~(int) 1; + if (src->y < 3) xy &= ~(int) 2; + if (xy < 1) return; + // see "Recursive Gabor Filtering" by Young/VanVliet // all factors here in double.prec. Required, because for single.prec it seems to blow up if sigma > ~200 if (sigma >= 3.556) |