Commit: e2166dc2174e4face0d263043bf438152badbd3c
Author: YimingWu
Date: Tue Dec 28 11:19:28 2021 +0800
Branches: temp-lineart-contained
https://developer.blender.org/rBe2166dc2174e4face0d263043bf438152badbd3c
LineArt: Intersection function additional clamping
To handle a rare case where it leads to a -1 index in isect order lookup
===================================================================
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..cb0032c31e0 100644
--- a/source/blender/gpencil_modifiers/intern/lineart/lineart_cpu.c
+++ b/source/blender/gpencil_modifiers/intern/lineart/lineart_cpu.c
@@ -2697,8 +2697,10 @@ 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);
+ INTERSECT_JUST_GREATER(is, order, 1 - DBL_TRIANGLE_LIM, LCross);
+ if (LCross > 0) {
+ INTERSECT_JUST_GREATER(is, order, is[LCross], RCross);
+ }
}
}
}
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