diff options
Diffstat (limited to 'source/blender/blenkernel/intern/customdata.c')
| -rw-r--r-- | source/blender/blenkernel/intern/customdata.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/source/blender/blenkernel/intern/customdata.c b/source/blender/blenkernel/intern/customdata.c index 8c47401cbc3..a022f3f5d14 100644 --- a/source/blender/blenkernel/intern/customdata.c +++ b/source/blender/blenkernel/intern/customdata.c @@ -699,6 +699,24 @@ static size_t layerFilesize_mdisps(CDataFile *UNUSED(cdf), const void *data, int return size; } +static void layerInterp_paint_mask( + const void **sources, const float *weights, const float *sub_weights, int count, void *dest) +{ + float mask = 0.0f; + const float *sub_weight = sub_weights; + for (int i = 0; i < count; i++) { + float weight = weights ? weights[i] : 1.0f; + const float *src = sources[i]; + if (sub_weights) { + mask += (*src) * (*sub_weight) * weight; + sub_weight++; + } + else { + mask += (*src) * weight; + } + } + *(float *)dest = mask; +} static void layerCopy_grid_paint_mask(const void *source, void *dest, int count) { @@ -1595,7 +1613,7 @@ static const LayerTypeInfo LAYERTYPEINFO[CD_NUMTYPES] = { /* END BMESH ONLY */ /* 34: CD_PAINT_MASK */ - {sizeof(float), "", 0, NULL, NULL, NULL, NULL, NULL, NULL}, + {sizeof(float), "", 0, NULL, NULL, NULL, layerInterp_paint_mask, NULL, NULL}, /* 35: CD_GRID_PAINT_MASK */ {sizeof(GridPaintMask), "GridPaintMask", |