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Fix T98913: GPU Subdivision: "Show Wire" overlay glitch

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Issue is caused by an off by one error which would map some edge loops to
the loops of some the next polygon in the list of polygon, which may not
be a topological neighbor.
This commit is contained in:
Kévin Dietrich
2022-06-20 12:13:55 +02:00
parent 088157e447
commit b73a52302e
1 changed files with 2 additions and 1 deletions
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3
source/blender/draw/intern/mesh_extractors/extract_mesh_ibo_lines_paint_mask.cc
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@@ -126,7 +126,8 @@ static void extract_lines_paint_mask_iter_subdiv_mesh(const DRWSubdivCache *subd
if (!((mr->use_hide && (me->flag & ME_HIDE)) ||
((mr->extract_type == MR_EXTRACT_MAPPED) && (mr->e_origindex) &&
(mr->e_origindex[coarse_edge_index] == ORIGINDEX_NONE)))) {
const uint ml_index_other = (loop_idx == end_loop_idx) ? start_loop_idx : loop_idx + 1;
const uint ml_index_other = (loop_idx == (end_loop_idx - 1)) ? start_loop_idx :
loop_idx + 1;
if (coarse_quad->flag & ME_FACE_SEL) {
if (BLI_BITMAP_TEST_AND_SET_ATOMIC(data->select_map, coarse_edge_index)) {
/* Hide edge as it has more than 2 selected loop. */