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-rw-r--r--gfx/wr/wrench/reftests/split/cross-ref.yaml36
-rw-r--r--gfx/wr/wrench/reftests/split/cross.yaml24
-rw-r--r--gfx/wr/wrench/reftests/split/filter-ref.yaml10
-rw-r--r--gfx/wr/wrench/reftests/split/filter.yaml21
-rw-r--r--gfx/wr/wrench/reftests/split/gradient-ref.yaml39
-rw-r--r--gfx/wr/wrench/reftests/split/gradient.yaml42
-rw-r--r--gfx/wr/wrench/reftests/split/intermediate-1-ref.yaml12
-rw-r--r--gfx/wr/wrench/reftests/split/intermediate-1.yaml38
-rw-r--r--gfx/wr/wrench/reftests/split/intermediate-2.yaml34
-rw-r--r--gfx/wr/wrench/reftests/split/mixed-order-ref.yaml22
-rw-r--r--gfx/wr/wrench/reftests/split/mixed-order.yaml25
-rw-r--r--gfx/wr/wrench/reftests/split/near-plane.pngbin0 -> 3210 bytes
-rw-r--r--gfx/wr/wrench/reftests/split/near-plane.yaml16
-rw-r--r--gfx/wr/wrench/reftests/split/nested-coord-systems-ref.yaml6
-rw-r--r--gfx/wr/wrench/reftests/split/nested-coord-systems.yaml28
-rw-r--r--gfx/wr/wrench/reftests/split/nested-preserve3d-crash.yaml37
-rw-r--r--gfx/wr/wrench/reftests/split/nested-ref.yaml12
-rw-r--r--gfx/wr/wrench/reftests/split/nested.yaml25
-rw-r--r--gfx/wr/wrench/reftests/split/order-1-ref.yaml8
-rw-r--r--gfx/wr/wrench/reftests/split/order-1.yaml20
-rw-r--r--gfx/wr/wrench/reftests/split/order-2-ref.yaml8
-rw-r--r--gfx/wr/wrench/reftests/split/order-2.yaml27
-rw-r--r--gfx/wr/wrench/reftests/split/order-3-ref.yaml15
-rw-r--r--gfx/wr/wrench/reftests/split/order-3.yaml31
-rw-r--r--gfx/wr/wrench/reftests/split/ordering-ref.yaml15
-rw-r--r--gfx/wr/wrench/reftests/split/ordering.yaml25
-rw-r--r--gfx/wr/wrench/reftests/split/perspective-clipping-ref.yaml9
-rw-r--r--gfx/wr/wrench/reftests/split/perspective-clipping.yaml23
-rw-r--r--gfx/wr/wrench/reftests/split/reftest.list22
-rw-r--r--gfx/wr/wrench/reftests/split/same-plane.pngbin0 -> 4279 bytes
-rw-r--r--gfx/wr/wrench/reftests/split/same-plane.yaml33
-rw-r--r--gfx/wr/wrench/reftests/split/simple-ref.yaml12
-rw-r--r--gfx/wr/wrench/reftests/split/simple.yaml24
-rw-r--r--gfx/wr/wrench/reftests/split/split-intersect1-ref.yaml15
-rw-r--r--gfx/wr/wrench/reftests/split/split-intersect1.yaml18
35 files changed, 732 insertions, 0 deletions
diff --git a/gfx/wr/wrench/reftests/split/cross-ref.yaml b/gfx/wr/wrench/reftests/split/cross-ref.yaml
new file mode 100644
index 0000000000..c784e62fce
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/cross-ref.yaml
@@ -0,0 +1,36 @@
+---
+root:
+ items:
+ - type: stacking-context
+ bounds: [0, 0, 100, 200]
+ items:
+ - type: stacking-context
+ bounds: [0, 0, 100, 200]
+ transform: rotate-y(-45) rotate-x(45)
+ items:
+ - type: rect
+ bounds: [0, 0, 50, 100]
+ color: green
+ - type: stacking-context
+ bounds: [0, 0, 100, 200]
+ transform: rotate-y(45) rotate-x(45)
+ items:
+ - type: rect
+ bounds: [0, 0, 50, 100]
+ color: red
+ - type: stacking-context
+ bounds: [0, 0, 100, 200]
+ transform: rotate-y(45) rotate-x(45)
+ items:
+ - type: rect
+ bounds: [50, 0, 50, 100]
+ color: red
+ - type: stacking-context
+ bounds: [0, 0, 100, 200]
+ transform: rotate-y(-45) rotate-x(45)
+ items:
+ - type: rect
+ bounds: [50, 0, 50, 100]
+ color: green
+
+
diff --git a/gfx/wr/wrench/reftests/split/cross.yaml b/gfx/wr/wrench/reftests/split/cross.yaml
new file mode 100644
index 0000000000..e306dbad33
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/cross.yaml
@@ -0,0 +1,24 @@
+# Crossed planes test. Similar to "simple" but has more complex transformations,
+# which puts higher requirements on the precision of arithmetics,
+# and all 4 pieces are visible on screen.
+---
+root:
+ items:
+ - type: stacking-context
+ bounds: [0, 0, 100, 200]
+ transform-style: preserve-3d
+ items:
+ - type: stacking-context
+ bounds: [0, 0, 100, 200]
+ transform: rotate-y(45) rotate-x(45)
+ items:
+ - type: rect
+ bounds: [0, 0, 100, 100]
+ color: red
+ - type: stacking-context
+ bounds: [0, 0, 100, 200]
+ transform: rotate-y(-45) rotate-x(45)
+ items:
+ - type: rect
+ bounds: [0, 0, 100, 100]
+ color: green
diff --git a/gfx/wr/wrench/reftests/split/filter-ref.yaml b/gfx/wr/wrench/reftests/split/filter-ref.yaml
new file mode 100644
index 0000000000..01e16b6e8f
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/filter-ref.yaml
@@ -0,0 +1,10 @@
+---
+root:
+ items:
+ - type: stacking-context
+ bounds: [0, 0, 200, 200]
+ transform-style: preserve-3d
+ items:
+ - type: rect
+ bounds: [0, 0, 200, 200]
+ color: [255, 0, 0, 0.5]
diff --git a/gfx/wr/wrench/reftests/split/filter.yaml b/gfx/wr/wrench/reftests/split/filter.yaml
new file mode 100644
index 0000000000..54667c0652
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/filter.yaml
@@ -0,0 +1,21 @@
+# This test ensures that an opacity filter forces the flattening of preserve-3D context.
+# The innermost rectangle has backface visibility disabled. If the parent stacking context
+# is a part of preserve-3D hierarchy, then the item would be backward-facing, thus invisible.
+# With the opacity filter, it's no longer a part of the preserve-3D, thus visible.
+---
+root:
+ items:
+ - type: stacking-context
+ bounds: [0, 0, 200, 200]
+ transform-style: preserve-3d
+ transform: rotate-y(180)
+ items:
+ - type: stacking-context
+ bounds: [0, 0, 200, 200]
+ transform-style: preserve-3d
+ filters: [opacity(0.5)]
+ items:
+ - type: rect
+ bounds: [0, 0, 200, 200]
+ color: red
+ backface-visible: false
diff --git a/gfx/wr/wrench/reftests/split/gradient-ref.yaml b/gfx/wr/wrench/reftests/split/gradient-ref.yaml
new file mode 100644
index 0000000000..5a461c737d
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/gradient-ref.yaml
@@ -0,0 +1,39 @@
+# Checks the UV interpolation of a preserved 3d stacking context matches
+# a flat stacking context. There are four black rectangles that overlap
+# the edges of the transformed gradient to minimize fuzz.
+---
+root:
+ items:
+ - type: "reference-frame"
+ bounds: [0, 0, 2746, 1408]
+ transform-style: flat
+ perspective: [1, 0, 0, 0, 0, 1, 0, 0, -0.4699999988079071, -0.44999998807907104, 1, -0.0012499999720603228, 176, 160, 0, 1]
+ items:
+ - type: "reference-frame"
+ bounds: [0, 0, 2746, 1408]
+ transform-style: flat
+ transform: rotate-y(-53)
+ items:
+ - type: "stacking-context"
+ transform-style: flat
+ items:
+ - type: rect
+ bounds: [0, 0, 300, 300]
+ color: 255 255 255 1.0000
+ - type: gradient
+ bounds: [0, 0, 300, 150]
+ start: [150, 0]
+ end: [150, 150]
+ stops: [0.0, [255, 0, 0, 1], 1.0, [254, 0, 0, 1]]
+ - type: rect
+ bounds: [520, 260, 120, 20]
+ color: 0 0 0 1.0000
+ - type: rect
+ bounds: [520, 336, 120, 3]
+ color: 0 0 0 1.0000
+ - type: rect
+ bounds: [520, 260, 10, 80]
+ color: 0 0 0 1.0000
+ - type: rect
+ bounds: [622, 260, 10, 80]
+ color: 0 0 0 1.0000
diff --git a/gfx/wr/wrench/reftests/split/gradient.yaml b/gfx/wr/wrench/reftests/split/gradient.yaml
new file mode 100644
index 0000000000..8da777df03
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/gradient.yaml
@@ -0,0 +1,42 @@
+# Checks the UV interpolation of a preserved 3d stacking context matches
+# a flat stacking context. There are four black rectangles that overlap
+# the edges of the transformed gradient to minimize fuzz.
+---
+root:
+ items:
+ - type: "reference-frame"
+ bounds: [0, 0, 2746, 1408]
+ transform-style: preserve-3d
+ perspective: [1, 0, 0, 0, 0, 1, 0, 0, -0.4699999988079071, -0.44999998807907104, 1, -0.0012499999720603228, 176, 160, 0, 1]
+ items:
+ - type: "reference-frame"
+ bounds: [0, 0, 2746, 1408]
+ transform-style: preserve-3d
+ transform: rotate-y(-53)
+ items:
+ - type: "stacking-context"
+ transform-style: preserve-3d
+ items:
+ - type: "stacking-context"
+ transform-style: flat
+ items:
+ - type: rect
+ bounds: [0, 0, 300, 300]
+ color: 255 255 255 1.0000
+ - type: gradient
+ bounds: [0, 0, 300, 150]
+ start: [150, 0]
+ end: [150, 150]
+ stops: [0.0, [255, 0, 0, 1], 1.0, [254, 0, 0, 1]]
+ - type: rect
+ bounds: [520, 260, 120, 20]
+ color: 0 0 0 1.0000
+ - type: rect
+ bounds: [520, 336, 120, 3]
+ color: 0 0 0 1.0000
+ - type: rect
+ bounds: [520, 260, 10, 80]
+ color: 0 0 0 1.0000
+ - type: rect
+ bounds: [622, 260, 10, 80]
+ color: 0 0 0 1.0000
diff --git a/gfx/wr/wrench/reftests/split/intermediate-1-ref.yaml b/gfx/wr/wrench/reftests/split/intermediate-1-ref.yaml
new file mode 100644
index 0000000000..2d67df4ead
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/intermediate-1-ref.yaml
@@ -0,0 +1,12 @@
+---
+root:
+ items:
+ - type: rect
+ bounds: 8 36 100 100
+ color: green
+ - type: rect
+ bounds: 108 36 100 100
+ color: blue
+ - type: rect
+ bounds: 208 36 100 100
+ color: yellow
diff --git a/gfx/wr/wrench/reftests/split/intermediate-1.yaml b/gfx/wr/wrench/reftests/split/intermediate-1.yaml
new file mode 100644
index 0000000000..0c02fe8e3c
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/intermediate-1.yaml
@@ -0,0 +1,38 @@
+---
+root:
+ items:
+ - type: rect
+ bounds: 8 36 300 100
+ color: red
+ - type: stacking-context
+ transform-style: preserve-3d
+ transform: translate(8, 36, 0)
+ items:
+ - type: stacking-context
+ transform-style: preserve-3d
+ items:
+ - type: rect
+ bounds: 0 0 100 100
+ color: green
+ - type: stacking-context # flat, intermediate surface
+ items:
+ - type: stacking-context
+ transform: translate(100, 0, 0)
+ transform-style: preserve-3d
+ items:
+ - type: stacking-context
+ transform-style: preserve-3d
+ items:
+ - type: rect
+ bounds: 0 0 100 100
+ color: blue
+ - type: stacking-context
+ transform: translate(100, 0, 0)
+ transform-style: preserve-3d
+ items:
+ - type: stacking-context
+ transform-style: preserve-3d
+ items:
+ - type: rect
+ bounds: 0 0 100 100
+ color: yellow
diff --git a/gfx/wr/wrench/reftests/split/intermediate-2.yaml b/gfx/wr/wrench/reftests/split/intermediate-2.yaml
new file mode 100644
index 0000000000..7d926ade4a
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/intermediate-2.yaml
@@ -0,0 +1,34 @@
+---
+root:
+ items:
+ - type: rect
+ bounds: 8 36 300 100
+ color: red
+ - type: stacking-context
+ transform-style: preserve-3d
+ transform: translate(8, 36, 0)
+ items:
+ - type: stacking-context
+ transform-style: preserve-3d
+ items:
+ - type: rect
+ bounds: 0 0 100 100
+ color: green
+ - type: stacking-context
+ items:
+ - type: stacking-context
+ transform: translate(100, 0, 0)
+ items:
+ - type: rect
+ bounds: 0 0 100 100
+ color: blue
+ - type: stacking-context
+ transform: translate(100, 0, 0)
+ transform-style: preserve-3d
+ items:
+ - type: stacking-context
+ transform-style: preserve-3d
+ items:
+ - type: rect
+ bounds: 0 0 100 100
+ color: yellow
diff --git a/gfx/wr/wrench/reftests/split/mixed-order-ref.yaml b/gfx/wr/wrench/reftests/split/mixed-order-ref.yaml
new file mode 100644
index 0000000000..e3632665c0
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/mixed-order-ref.yaml
@@ -0,0 +1,22 @@
+# The result should be matching the flat ordering, since there
+# is no variation in Z of the preserve-3D children.
+---
+root:
+ items:
+ - type: stacking-context
+ bounds: [0, 0, 200, 200]
+ transform: rotate-x(30)
+ items:
+ - type: rect
+ bounds: [0, 0, 100, 100]
+ color: green
+ - type: stacking-context
+ bounds: [25, 25, 100, 100]
+ #transform: rotate-z(45)
+ items:
+ - type: rect
+ bounds: [0, 0, 100, 100]
+ color: red
+ - type: rect
+ bounds: [100, 0, 100, 100]
+ color: blue
diff --git a/gfx/wr/wrench/reftests/split/mixed-order.yaml b/gfx/wr/wrench/reftests/split/mixed-order.yaml
new file mode 100644
index 0000000000..789621dc5b
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/mixed-order.yaml
@@ -0,0 +1,25 @@
+# The "preserve-3d" context has a mix of children being other stacking contexts and
+# just primitives. The other stacking contexts are also "preserve-3d" but on the same plane,
+# so the result ordering should be exactly matching the way we specify the children.
+---
+root:
+ items:
+ - type: stacking-context
+ bounds: [0, 0, 200, 200]
+ transform-style: preserve-3d
+ transform: rotate-x(30)
+ items:
+ - type: rect
+ bounds: [0, 0, 100, 100]
+ color: green
+ - type: stacking-context
+ bounds: [25, 25, 100, 100]
+ #TODO: https://github.com/servo/webrender/issues/2946
+ #transform: rotate-z(45)
+ items:
+ - type: rect
+ bounds: [0, 0, 100, 100]
+ color: red
+ - type: rect
+ bounds: [100, 0, 100, 100]
+ color: blue
diff --git a/gfx/wr/wrench/reftests/split/near-plane.png b/gfx/wr/wrench/reftests/split/near-plane.png
new file mode 100644
index 0000000000..c6e81c9983
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/near-plane.png
Binary files differ
diff --git a/gfx/wr/wrench/reftests/split/near-plane.yaml b/gfx/wr/wrench/reftests/split/near-plane.yaml
new file mode 100644
index 0000000000..f1911674ca
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/near-plane.yaml
@@ -0,0 +1,16 @@
+# In this test, there is a single polygon intersecting the near plane.
+---
+root:
+ items:
+ - type: stacking-context
+ bounds: [0, 0, 600, 600]
+ transform-style: preserve-3d
+ perspective: 200
+ items:
+ - type: stacking-context
+ bounds: [0, 0, 600, 600]
+ transform: rotate-x(-60.0)
+ items:
+ - type: rect
+ bounds: [000, 0, 600, 600]
+ color: [255, 0, 0, 0.5]
diff --git a/gfx/wr/wrench/reftests/split/nested-coord-systems-ref.yaml b/gfx/wr/wrench/reftests/split/nested-coord-systems-ref.yaml
new file mode 100644
index 0000000000..97e2e82fc5
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/nested-coord-systems-ref.yaml
@@ -0,0 +1,6 @@
+---
+root:
+ items:
+ - type: rect
+ bounds: 0 0 150 200
+ color: green
diff --git a/gfx/wr/wrench/reftests/split/nested-coord-systems.yaml b/gfx/wr/wrench/reftests/split/nested-coord-systems.yaml
new file mode 100644
index 0000000000..5cdc4ab634
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/nested-coord-systems.yaml
@@ -0,0 +1,28 @@
+# This test checks our ability to have the plane splitting root itself to be rasterized
+# in some local space. Perspective transform forces WR to use the local space.
+---
+root:
+ items:
+ - type: stacking-context
+ bounds: 0 0 400 400
+ transform-style: preserve-3d
+ items:
+ - type: stacking-context
+ bounds: 0 0 400 400
+ transform-style: flat
+ transform: perspective(100) rotate-y(30)
+ transform-origin: 0 0
+ items:
+ - type: stacking-context
+ bounds: 0 0 400 400
+ transform-style: preserve-3d
+ items:
+ - type: stacking-context
+ bounds: 0 0 400 400
+ transform-style: flat
+ transform: perspective(100) rotate-y(30)
+ transform-origin: 0 0
+ items:
+ - type: rect
+ bounds: 0 0 200 200
+ color: green
diff --git a/gfx/wr/wrench/reftests/split/nested-preserve3d-crash.yaml b/gfx/wr/wrench/reftests/split/nested-preserve3d-crash.yaml
new file mode 100644
index 0000000000..68a01ebeb1
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/nested-preserve3d-crash.yaml
@@ -0,0 +1,37 @@
+---
+root:
+ items:
+ - type: stacking-context
+ bounds: 0 0 1024 768
+ items:
+ - type: stacking-context
+ bounds: 0 0 1024 768
+ transform-style: preserve-3d
+ transform: rotate-x(180)
+ items:
+ - type: stacking-context
+ bounds: 0 0 1024 768
+ items:
+ - type: rect
+ bounds: 0 0 200 200
+ color: green
+ - type: stacking-context
+ bounds: 0 0 1024 768
+ items:
+ - type: rect
+ bounds: 0 0 200 200
+ color: green
+ - type: stacking-context
+ bounds: 0 0 1024 768
+ transform-style: preserve-3d
+ transform: rotate-x(180)
+ items:
+ - type: rect
+ bounds: 0 0 200 200
+ color: green
+ - type: stacking-context
+ bounds: 0 0 1024 768
+ items:
+ - type: rect
+ bounds: 0 0 200 200
+ color: green
diff --git a/gfx/wr/wrench/reftests/split/nested-ref.yaml b/gfx/wr/wrench/reftests/split/nested-ref.yaml
new file mode 100644
index 0000000000..798b624356
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/nested-ref.yaml
@@ -0,0 +1,12 @@
+---
+root:
+ items:
+ - type: stacking-context
+ bounds: [0, 0, 1024, 1024]
+ items:
+ - type: rect
+ bounds: [150, 0, 300, 600]
+ color: red
+ - type: rect
+ bounds: [150, 0, 300, 200]
+ color: green
diff --git a/gfx/wr/wrench/reftests/split/nested.yaml b/gfx/wr/wrench/reftests/split/nested.yaml
new file mode 100644
index 0000000000..5b93224fda
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/nested.yaml
@@ -0,0 +1,25 @@
+# This tests have a non-preserve3d stacking context nested within
+# preserve-3d sub-tree. This nested context is still getting baked in
+# and participates (as a whole) in plane splitting.
+# It is layed out in the same plane as the parent, so should be ordered
+# last, given that it's coming later than the parent.
+---
+root:
+ items:
+ - type: stacking-context
+ bounds: [0, 0, 1024, 1024]
+ items:
+ - type: stacking-context
+ bounds: [0, 0, 600, 600]
+ transform-style: preserve-3d
+ transform: rotate-y(60.0)
+ items:
+ - type: rect
+ bounds: [0, 0, 600, 600]
+ color: red
+ - type: stacking-context
+ bounds: [0, 0, 100, 100]
+ items:
+ - type: rect
+ bounds: [0, 0, 600, 200]
+ color: green
diff --git a/gfx/wr/wrench/reftests/split/order-1-ref.yaml b/gfx/wr/wrench/reftests/split/order-1-ref.yaml
new file mode 100644
index 0000000000..930ac5c8b9
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/order-1-ref.yaml
@@ -0,0 +1,8 @@
+root:
+ items:
+ - type: stacking-context
+ bounds: [0, 0, 100, 100]
+ items:
+ - type: rect
+ bounds: [0, 0, 100, 100]
+ color: green
diff --git a/gfx/wr/wrench/reftests/split/order-1.yaml b/gfx/wr/wrench/reftests/split/order-1.yaml
new file mode 100644
index 0000000000..7b5613f6d3
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/order-1.yaml
@@ -0,0 +1,20 @@
+# The "preserve-3d" context has a "flat" child. Rotation by 180 degrees and positive Z offset
+# should compensate each other, resulting in a green rectangle.
+---
+root:
+ items:
+ - type: stacking-context
+ bounds: [0, 0, 100, 100]
+ transform-style: preserve-3d
+ transform: rotate-x(180)
+ items:
+ - type: rect
+ bounds: [0, 0, 100, 100]
+ color: green
+ - type: stacking-context
+ bounds: [0, 0, 100, 100]
+ transform: translate(0, 0, 10)
+ items:
+ - type: rect
+ bounds: [0, 0, 100, 100]
+ color: red
diff --git a/gfx/wr/wrench/reftests/split/order-2-ref.yaml b/gfx/wr/wrench/reftests/split/order-2-ref.yaml
new file mode 100644
index 0000000000..930ac5c8b9
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/order-2-ref.yaml
@@ -0,0 +1,8 @@
+root:
+ items:
+ - type: stacking-context
+ bounds: [0, 0, 100, 100]
+ items:
+ - type: rect
+ bounds: [0, 0, 100, 100]
+ color: green
diff --git a/gfx/wr/wrench/reftests/split/order-2.yaml b/gfx/wr/wrench/reftests/split/order-2.yaml
new file mode 100644
index 0000000000..a94d25b8f1
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/order-2.yaml
@@ -0,0 +1,27 @@
+# The "preserve-3d" context has a "flat" child, which contains two other stacking contexts
+# that have their Z modified. The Z should not affect their drawing order, since they
+# are hidden from the 3D hierarchy by the flat parent.
+---
+root:
+ items:
+ - type: stacking-context
+ bounds: [0, 0, 100, 100]
+ transform-style: preserve-3d
+ items:
+ - type: stacking-context
+ bounds: [0, 0, 100, 100]
+ items:
+ - type: stacking-context
+ bounds: [0, 0, 100, 100]
+ transform: translate(0, 0, 10)
+ items:
+ - type: rect
+ bounds: [0, 0, 100, 100]
+ color: red
+ - type: stacking-context
+ bounds: [0, 0, 100, 100]
+ transform: translate(0, 0, -10)
+ items:
+ - type: rect
+ bounds: [0, 0, 100, 100]
+ color: green
diff --git a/gfx/wr/wrench/reftests/split/order-3-ref.yaml b/gfx/wr/wrench/reftests/split/order-3-ref.yaml
new file mode 100644
index 0000000000..9d896d9699
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/order-3-ref.yaml
@@ -0,0 +1,15 @@
+---
+root:
+ items:
+ -
+ type: rect
+ bounds: [8, 8, 200, 200]
+ color: blue
+ -
+ type: rect
+ bounds: [8, 208, 200, 200]
+ color: blue
+ -
+ type: rect
+ bounds: [8, 408, 200, 200]
+ color: blue
diff --git a/gfx/wr/wrench/reftests/split/order-3.yaml b/gfx/wr/wrench/reftests/split/order-3.yaml
new file mode 100644
index 0000000000..7f80652af6
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/order-3.yaml
@@ -0,0 +1,31 @@
+# Ensure that preserve-3d items are correctly batched with transparent siblings.
+---
+root:
+ items:
+ -
+ type: stacking-context
+ transform-style: "preserve-3d"
+ items:
+ -
+ type: rect
+ bounds: [8, 8, 200, 200]
+ color: blue
+ -
+ type: stacking-context
+ transform-style: "preserve-3d"
+ items:
+ -
+ type: rect
+ bounds: [8, 208, 200, 200]
+ color: blue
+ - type: rect
+ color: [255, 0, 0, 0.5]
+ bounds: [8, 408, 200, 200]
+ -
+ type: stacking-context
+ transform-style: "preserve-3d"
+ items:
+ -
+ type: rect
+ bounds: [8, 408, 200, 200]
+ color: blue
diff --git a/gfx/wr/wrench/reftests/split/ordering-ref.yaml b/gfx/wr/wrench/reftests/split/ordering-ref.yaml
new file mode 100644
index 0000000000..33ad571660
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/ordering-ref.yaml
@@ -0,0 +1,15 @@
+---
+root:
+ items:
+ -
+ bounds: [15, 15, 150, 300]
+ type: rect
+ color: 255 0 0 1.0000
+ -
+ bounds: [203, 15, 150, 300]
+ type: rect
+ color: 255 0 0 1.0000
+ -
+ bounds: [0, 0, 450, 150]
+ type: rect
+ color: 0 0 0 0.6667
diff --git a/gfx/wr/wrench/reftests/split/ordering.yaml b/gfx/wr/wrench/reftests/split/ordering.yaml
new file mode 100644
index 0000000000..2809166454
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/ordering.yaml
@@ -0,0 +1,25 @@
+---
+root:
+ items:
+ -
+ type: "stacking-context"
+ transform: [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 15, 15, 0, 1]
+ "transform-style": "preserve-3d"
+ items:
+ -
+ perspective: [1, 0, 0, 0, 0, 1, 0, 0, -0.05, -0.1, 1, -0.00066666666, 0, 0, 0, 1]
+ type: "stacking-context"
+ "transform-style": "preserve-3d"
+ items:
+ -
+ bounds: [0, 0, 150, 300]
+ type: rect
+ color: 255 0 0 1.0000
+ -
+ bounds: [203, 15, 150, 300]
+ type: rect
+ color: 255 0 0 1.0000
+ -
+ bounds: [0, 0, 450, 150]
+ type: rect
+ color: 0 0 0 0.6667
diff --git a/gfx/wr/wrench/reftests/split/perspective-clipping-ref.yaml b/gfx/wr/wrench/reftests/split/perspective-clipping-ref.yaml
new file mode 100644
index 0000000000..8f6d4a1566
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/perspective-clipping-ref.yaml
@@ -0,0 +1,9 @@
+---
+root:
+ items:
+ - type: stacking-context
+ bounds: 0 0 1024 768
+ items:
+ - type: rect
+ bounds: 0 0 1024 768
+ color: green
diff --git a/gfx/wr/wrench/reftests/split/perspective-clipping.yaml b/gfx/wr/wrench/reftests/split/perspective-clipping.yaml
new file mode 100644
index 0000000000..7135f27c37
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/perspective-clipping.yaml
@@ -0,0 +1,23 @@
+---
+root:
+ items:
+ - type: stacking-context
+ bounds: 0 0 1024 768
+ items:
+ - type: rect
+ bounds: 0 0 1024 768
+ color: red
+ - type: stacking-context
+ bounds: 0 0 1024 768
+ transform-style: preserve-3d
+ perspective: 300
+ perspective-origin: 0 0
+ items:
+ - type: stacking-context
+ bounds: 0 0 1024 768
+ # translate-Z(-300) scale(2)
+ transform: 2 0 0 0 0 2 0 0 0 0 2 0 0 0 -300 1
+ items:
+ - type: rect
+ bounds: 0 0 1024 768
+ color: green
diff --git a/gfx/wr/wrench/reftests/split/reftest.list b/gfx/wr/wrench/reftests/split/reftest.list
new file mode 100644
index 0000000000..cd9b33c02b
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/reftest.list
@@ -0,0 +1,22 @@
+fuzzy-if(platform(swgl),1,180000) == simple.yaml simple-ref.yaml
+== order-1.yaml order-1-ref.yaml
+== order-2.yaml order-2-ref.yaml
+== nested.yaml nested-ref.yaml
+# fuzziness is needed due to perspective for the edge
+fuzzy(35,200) == nested-coord-systems.yaml nested-coord-systems-ref.yaml
+== nested-preserve3d-crash.yaml nested-preserve3d-crash.yaml
+== perspective-clipping.yaml perspective-clipping-ref.yaml
+== intermediate-1.yaml intermediate-1-ref.yaml
+== intermediate-2.yaml intermediate-1-ref.yaml
+== split-intersect1.yaml split-intersect1-ref.yaml
+== ordering.yaml ordering-ref.yaml
+fuzzy(1,20) fuzzy-if(platform(swgl),128,39) == near-plane.yaml near-plane.png
+# Note: on windows the image is rendered at a slightly different spot.
+# similarly, a lot of tests in "transform" are non-windows. TODO: investigate
+platform(linux,mac) fuzzy(1,20) == same-plane.yaml same-plane.png
+#TODO: https://github.com/servo/webrender/issues/2946
+#== cross.yaml cross-ref.yaml
+== mixed-order.yaml mixed-order-ref.yaml
+fuzzy(1,40000) == filter.yaml filter-ref.yaml
+fuzzy(1,10000) == gradient.yaml gradient-ref.yaml
+== order-3.yaml order-3-ref.yaml
diff --git a/gfx/wr/wrench/reftests/split/same-plane.png b/gfx/wr/wrench/reftests/split/same-plane.png
new file mode 100644
index 0000000000..cfcd475488
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/same-plane.png
Binary files differ
diff --git a/gfx/wr/wrench/reftests/split/same-plane.yaml b/gfx/wr/wrench/reftests/split/same-plane.yaml
new file mode 100644
index 0000000000..277709bad1
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/same-plane.yaml
@@ -0,0 +1,33 @@
+# This test has a number of rectangles placed on the same transformed preserve3d plane.
+# The expected result is that the rectangles are rendered in the order they are listed.
+# This can fail if the primitives are considered outside of the main plane due
+# to floating point precision issues in plane-splitting and transformation.
+---
+root:
+ items:
+ - type: "stacking-context"
+ transform-style: preserve-3d
+ transform: rotate-y(-30) rotate-x(-75) translate(-100, 100, 0)
+ items:
+ - type: "stacking-context"
+ perspective: 400
+ transform-style: preserve-3d
+ items:
+ - type: rect
+ bounds: [0, 0, 450, 300]
+ color: 0 255 0 1.0000
+ - type: stacking-context
+ bounds: [0, 0, 600, 600]
+ transform: translate(200, 0, 0)
+ items:
+ - type: rect
+ bounds: [-200, 0, 150, 300]
+ color: 255 0 0 1.0000
+ - type: stacking-context
+ bounds: [0, 0, 600, 600]
+ transform: rotate-z(-90)
+ items:
+ -
+ bounds: [0, 200, 150, 200]
+ type: rect
+ color: 0 0 255 1.0000
diff --git a/gfx/wr/wrench/reftests/split/simple-ref.yaml b/gfx/wr/wrench/reftests/split/simple-ref.yaml
new file mode 100644
index 0000000000..de1fad9440
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/simple-ref.yaml
@@ -0,0 +1,12 @@
+---
+root:
+ items:
+ - type: stacking-context
+ bounds: [0, 0, 1024, 1024]
+ items:
+ - type: rect
+ bounds: [150, 0, 150, 600]
+ color: [191, 127, 63]
+ - type: rect
+ bounds: [300, 0, 150, 600]
+ color: [127, 191, 63]
diff --git a/gfx/wr/wrench/reftests/split/simple.yaml b/gfx/wr/wrench/reftests/split/simple.yaml
new file mode 100644
index 0000000000..b6445780f5
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/simple.yaml
@@ -0,0 +1,24 @@
+# This tests a simple intersection of 2 rotated planes to split properly.
+# If the split doesn't happen, we see a single-colored rectangle.
+# If it does, the rectangle gets split vertically in 2 parts of different colors.
+---
+root:
+ items:
+ - type: stacking-context
+ bounds: [0, 0, 1024, 1024]
+ transform-style: preserve-3d
+ items:
+ - type: stacking-context
+ bounds: [0, 0, 600, 600]
+ transform: rotate-y(-60.0)
+ items:
+ - type: rect
+ bounds: [0, 0, 600, 600]
+ color: [255, 0, 0, 0.5]
+ - type: stacking-context
+ bounds: [0, 0, 600, 600]
+ transform: rotate-y(60.0)
+ items:
+ - type: rect
+ bounds: [0, 0, 600, 600]
+ color: [0, 255, 0, 0.5]
diff --git a/gfx/wr/wrench/reftests/split/split-intersect1-ref.yaml b/gfx/wr/wrench/reftests/split/split-intersect1-ref.yaml
new file mode 100644
index 0000000000..134698571c
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/split-intersect1-ref.yaml
@@ -0,0 +1,15 @@
+---
+root:
+ items:
+ - type: stacking-context
+ items:
+ - type: stacking-context
+ items:
+ - type: rect
+ bounds: 50 0 50 100
+ color: red
+ - type: stacking-context
+ items:
+ - type: rect
+ bounds: 0 0 50 100
+ color: green
diff --git a/gfx/wr/wrench/reftests/split/split-intersect1.yaml b/gfx/wr/wrench/reftests/split/split-intersect1.yaml
new file mode 100644
index 0000000000..dff7638707
--- /dev/null
+++ b/gfx/wr/wrench/reftests/split/split-intersect1.yaml
@@ -0,0 +1,18 @@
+---
+root:
+ items:
+ - type: stacking-context
+ transform-style: preserve-3d
+ items:
+ - type: stacking-context
+ items:
+ - type: rect
+ bounds: 0 0 100 100
+ color: red
+ - type: stacking-context
+ transform: rotate-y(-0.1)
+ bounds: 0 0 100 100
+ items:
+ - type: rect
+ bounds: 0 0 100 100
+ color: green