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CDDM Copy: Only tag data layers dirty if we ignored tessellation data 

This solves assert failure in CustomData_from_bmeshpoly() happening with
broom.blend file from barber shop SVN.
This commit is contained in:
Sergey Sharybin 2017-02-16 09:55:44 +01:00
parent 809ed38075
commit fc185fb1d2
1 changed files with 6 additions and 2 deletions
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8
source/blender/blenkernel/intern/cdderivedmesh.c
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@ -2428,8 +2428,12 @@ static DerivedMesh *cddm_copy_ex(DerivedMesh *source,
dm->cd_flag = source->cd_flag;
dm->dirty = source->dirty;
/* Tessellation data is never copied, so tag it here. */
dm->dirty |= DM_DIRTY_TESS_CDLAYERS;
/* Tessellation data is never copied, so tag it here.
* Only tag dirty layers if we really ignored tessellation faces.
*/
if (!copy_tessface_data) {
dm->dirty |= DM_DIRTY_TESS_CDLAYERS;
}
CustomData_copy_data(&source->vertData, &dm->vertData, 0, 0, numVerts);
CustomData_copy_data(&source->edgeData, &dm->edgeData, 0, 0, numEdges);