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Subsurf: Fix wrong vertices index in vertex data interpolation

This commit is contained in:
Sergey Sharybin 2018-07-23 19:09:16 +02:00
parent f6eccd367c
commit b466c09c30
Notes: blender-bot 2023-06-12 00:52:52 +02:00 
Referenced by issue #56171, Issues with MS Office VBA code execution after opening Blender 2.8 for first time
Referenced by issue #56155, Right Click Option for Header available in Pop Overs
Referenced by issue #55806, Immediate crash when opening model or when selecting other than solid render after appending objects
1 changed files with 9 additions and 7 deletions
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16
source/blender/blenkernel/intern/subdiv_mesh.c
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@ -355,7 +355,7 @@ static void vertex_interpolation_init(
int *indices = BLI_array_alloca(indices, coarse_poly->totloop);
for (int i = 0; i < coarse_poly->totloop; ++i) {
weights[i] = weight;
indices[i] = coarse_poly->loopstart + i;
indices[i] = coarse_mloop[coarse_poly->loopstart + i].v;
}
CustomData_interp(&coarse_mesh->vdata,
&vertex_interpolation->vertex_data_storage,
@ -395,13 +395,15 @@ static void vertex_interpolation_from_ptex(
* iteration.
*/
const float weights[2] = {0.5f, 0.5f};
const int first_loop_index = loops_of_ptex.first_loop - coarse_mloop;
const int last_loop_index = loops_of_ptex.last_loop - coarse_mloop;
const int first_indices[2] = {
coarse_mloop[loops_of_ptex.first_loop - coarse_mloop].v,
coarse_mloop[(loops_of_ptex.first_loop + 1 - coarse_mloop) %
coarse_poly->totloop].v};
const int last_indices[2] = {
coarse_mloop[loops_of_ptex.last_loop - coarse_mloop].v,
coarse_mloop[loops_of_ptex.first_loop - coarse_mloop].v};
coarse_mloop[first_loop_index].v,
coarse_mloop[coarse_poly->loopstart +
(first_loop_index - coarse_poly->loopstart + 1) %
coarse_poly->totloop].v};
const int last_indices[2] = {coarse_mloop[first_loop_index].v,
coarse_mloop[last_loop_index].v};
CustomData_interp(vertex_data,
&vertex_interpolation->vertex_data_storage,
first_indices,