LineArt: Noise tolerant chaining.

Instead of splitting it at each occlusion change, it tolerates short segments of "zig-zag" occlusion incoherence and doesn't split the chain at these points, thus creating a much smoother result.

Reviewed By: Antonio Vazquez (antoniov), Aleš Jelovčan (frogstomp)

Differential Revision: https://developer.blender.org/D13851

1 files changed, 2 insertions, 0 deletions

diff --git a/source/blender/gpencil_modifiers/intern/lineart/MOD_lineart.h b/source/blender/gpencil_modifiers/intern/lineart/MOD_lineart.h
index 8c5820c9667..2691dcc8408 100644
--- a/source/blender/gpencil_modifiers/intern/lineart/MOD_lineart.h
+++ b/source/blender/gpencil_modifiers/intern/lineart/MOD_lineart.h
@@ -308,6 +308,8 @@ typedef struct LineartRenderBuffer {
   bool force_crease;
   bool sharp_as_crease;
 
+  bool chain_preserve_details;
+
   /* Keep an copy of these data so when line art is running it's self-contained. */
   bool cam_is_persp;
   float cam_obmat[4][4];