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authorKévin Dietrich <kevin.dietrich@mailoo.org>2022-06-20 13:13:55 +0300
committerPhilipp Oeser <info@graphics-engineer.com>2022-06-22 13:25:44 +0300
commit72b8f607e77f674b5918f0526f55c4cb07c941eb (patch)
tree853e6f3aad8aa4c9eedf2e2e8b5550d7958e1193 /source
parentd69fe52bad684b40a9419ca37ac88a0d461cb8ce (diff)
Fix T98913: GPU Subdivision: "Show Wire" overlay glitch
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.
Diffstat (limited to 'source')
-rw-r--r--source/blender/draw/intern/mesh_extractors/extract_mesh_ibo_lines_paint_mask.cc3
1 files changed, 2 insertions, 1 deletions
diff --git a/source/blender/draw/intern/mesh_extractors/extract_mesh_ibo_lines_paint_mask.cc b/source/blender/draw/intern/mesh_extractors/extract_mesh_ibo_lines_paint_mask.cc
index 286c7ea9c43..f435dc0a24f 100644
--- a/source/blender/draw/intern/mesh_extractors/extract_mesh_ibo_lines_paint_mask.cc
+++ b/source/blender/draw/intern/mesh_extractors/extract_mesh_ibo_lines_paint_mask.cc
@@ -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. */