[Bf-blender-cvs] [97ae08c9fcc] master: LineArt: Correct clamping of out of bound isect index
YimingWu
noreply at git.blender.org
Fri Dec 31 14:56:35 CET 2021
Commit: 97ae08c9fcca55179f72f9bc318cc750e8f9d8a4
Author: YimingWu
Date: Fri Dec 31 21:25:03 2021 +0800
Branches: master
https://developer.blender.org/rB97ae08c9fcca55179f72f9bc318cc750e8f9d8a4
LineArt: Correct clamping of 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 9241d256db0..9e1476d928e 100644
--- a/source/blender/gpencil_modifiers/intern/lineart/lineart_cpu.c
+++ b/source/blender/gpencil_modifiers/intern/lineart/lineart_cpu.c
@@ -2585,8 +2585,12 @@ 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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