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-rw-r--r--gfx/wr/wrench/reftests/backface/backface-double-flip.yaml21
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diff --git a/gfx/wr/wrench/reftests/backface/backface-double-flip.yaml b/gfx/wr/wrench/reftests/backface/backface-double-flip.yaml
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+++ b/gfx/wr/wrench/reftests/backface/backface-double-flip.yaml
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+# In this test, the red rectangle has backface visibility turned off.
+# However its world transformation makes it front-facing.
+# However it's still invisible because it's back-facing in the picture space
+# of the transformed stacking context.
+---
+root:
+ items:
+ - type: stacking-context
+ items:
+ - type: stacking-context
+ transform: rotate-y(180)
+ transform-style: preserve-3d
+ transform-origin: 50 50
+ items:
+ - type: stacking-context
+ transform: rotate-y(180)
+ items:
+ - type: rect
+ color: red
+ backface-visible: false
+ bounds: 0 0 100 100