Commit: eaee064dd17c3646ba9ce91b2e117ec8b4d34992
Author: YimingWu
Date: Tue Dec 28 11:54:41 2021 +0800
Branches: temp-lineart-contained
https://developer.blender.org/rBeaee064dd17c3646ba9ce91b2e117ec8b4d34992
LineArt: Correct handling out of bound isect index
Handles rare cases where line doesn't intersect the triangle correctly.
===================================================================
M source/blender/gpencil_modifiers/intern/lineart/lineart_cpu.c
===================================================================
diff --git a/source/blender/gpencil_modifiers/intern/lineart/lineart_cpu.c
b/source/blender/gpencil_modifiers/intern/lineart/lineart_cpu.c
index 3ddf8222157..6ab73bc6830 100644
--- a/source/blender/gpencil_modifiers/intern/lineart/lineart_cpu.c
+++ b/source/blender/gpencil_modifiers/intern/lineart/lineart_cpu.c
@@ -2697,8 +2697,12 @@ static bool
lineart_triangle_edge_image_space_occlusion(SpinLock *UNUSED(spl),
INTERSECT_JUST_GREATER(is, order, is[LCross], RCross);
}
else {
- INTERSECT_JUST_GREATER(is, order, is[LCross], LCross);
- INTERSECT_JUST_GREATER(is, order, is[LCross], RCross);
+ if (LCross >= 0) {
+ INTERSECT_JUST_GREATER(is, order, is[LCross], LCross);
+ if (LCross >= 0) {
+ INTERSECT_JUST_GREATER(is, order, is[LCross], RCross);
+ }
+ }
}
}
}
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