REVERT(268166@main): Implement the 'backdrop root' concept for backdr…

…op-filter.

rdar://115803479
https://bugs.webkit.org/show_bug.cgi?id=261840

Reviewed by Jonathan Bedard.

4 API tests having constant issues (2 failures, 2 timeouts), and 43 layout tests consistently crashing. Reverting 268166@main.

* LayoutTests/css3/filters/backdrop/backdrop-filter-does-not-size-properly-absolute-expected.txt:
* LayoutTests/css3/filters/backdrop/backdrop-filter-does-not-size-properly-border-and-padding-expected.txt:
* LayoutTests/css3/filters/backdrop/backdrop-filter-with-cliprect-expected.txt:
* LayoutTests/css3/filters/backdrop/backdrop-filter-with-mask-expected.txt:
* LayoutTests/css3/filters/backdrop/backdrop-with-visibility-hidden-changing-expected.txt:
* LayoutTests/css3/filters/backdrop/backdrop-with-visibility-hidden-expected.txt:
* LayoutTests/css3/filters/backdrop/resource-use-add-more-layers-expected.txt:
* LayoutTests/css3/filters/backdrop/resource-use-excessive-expected.txt:
* LayoutTests/css3/filters/backdrop/resource-use-ok-expected.txt:
* LayoutTests/css3/filters/backdrop/resource-use-remove-some-layers-expected.txt:
* Source/JavaScriptCore/inspector/protocol/LayerTree.json:
* Source/WebCore/inspector/agents/InspectorLayerTreeAgent.cpp:
(WebCore::InspectorLayerTreeAgent::reasonsForCompositingLayer):
* Source/WebCore/platform/graphics/GraphicsLayer.cpp:
(WebCore::GraphicsLayer::GraphicsLayer):
* Source/WebCore/platform/graphics/GraphicsLayer.h:
(WebCore::GraphicsLayer::setIsBackdropRoot): Deleted.
(WebCore::GraphicsLayer::isBackdropRoot const): Deleted.
* Source/WebCore/platform/graphics/ca/GraphicsLayerCA.cpp:
(WebCore::GraphicsLayerCA::commitLayerChangesBeforeSublayers):
(WebCore::GraphicsLayerCA::ensureStructuralLayer):
(WebCore::GraphicsLayerCA::layerChangeAsString):
(WebCore::GraphicsLayerCA::changeLayerTypeTo):
(WebCore::GraphicsLayerCA::setIsBackdropRoot): Deleted.
(WebCore::GraphicsLayerCA::updateBackdropRoot): Deleted.
* Source/WebCore/platform/graphics/ca/GraphicsLayerCA.h:
* Source/WebCore/platform/graphics/ca/PlatformCALayer.h:
* Source/WebCore/platform/graphics/ca/cocoa/PlatformCALayerCocoa.h:
* Source/WebCore/platform/graphics/ca/cocoa/PlatformCALayerCocoa.mm:
(WebCore::PlatformCALayerCocoa::setIsBackdropRoot): Deleted.
* Source/WebCore/rendering/RenderLayer.cpp:
(WebCore::RenderLayer::RenderLayer):
(WebCore::RenderLayer::calculateClipRects const):
(WebCore::RenderLayer::computeCanBeBackdropRoot const): Deleted.
(WebCore::RenderLayer::setCanBeBackdropRoot): Deleted.
* Source/WebCore/rendering/RenderLayer.h:
(WebCore::RenderLayer::hasBackdropFilterDescendantsWithoutRoot const): Deleted.
(WebCore::RenderLayer::setHasBackdropFilterDescendantsWithoutRoot): Deleted.
(WebCore::RenderLayer::canBeBackdropRoot const): Deleted.
(WebCore::RenderLayer::isBackdropRoot const): Deleted.
* Source/WebCore/rendering/RenderLayerBacking.cpp:
(WebCore::RenderLayerBacking::createPrimaryGraphicsLayer):
(WebCore::RenderLayerBacking::updateConfigurationAfterStyleChange):
(WebCore::RenderLayerBacking::updateConfiguration):
(WebCore::RenderLayerBacking::updateGeometry):
(WebCore::RenderLayerBacking::updateBackdropRoot): Deleted.
* Source/WebCore/rendering/RenderLayerBacking.h:
* Source/WebCore/rendering/RenderLayerCompositor.cpp:
(WebCore::RenderLayerCompositor::CompositingState::stateForPaintOrderChildren const):
(WebCore::RenderLayerCompositor::CompositingState::updateWithDescendantStateAndLayer):
(WebCore::RenderLayerCompositor::computeCompositingRequirements):
(WebCore::RenderLayerCompositor::reasonsForCompositing const):
(WebCore::compositingReasonToString):
(WebCore::RenderLayerCompositor::computeIndirectCompositingReason const):
* Source/WebCore/rendering/RenderLayerCompositor.h:
* Source/WebCore/rendering/style/WillChangeData.cpp:
(WebCore::WillChangeData::canBeBackdropRoot const): Deleted.
* Source/WebCore/rendering/style/WillChangeData.h:
(WebCore::WillChangeData::canCreateStackingContext const):
* Source/WebInspectorUI/Localizations/en.lproj/localizedStrings.js:
* Source/WebInspectorUI/UserInterface/Views/LayerTreeDetailsSidebarPanel.js:
(WI.LayerTreeDetailsSidebarPanel.prototype._populateListOfCompositingReasons):
(WI.LayerTreeDetailsSidebarPanel):
* Source/WebKit/Shared/RemoteLayerTree/LayerProperties.h:
* Source/WebKit/Shared/RemoteLayerTree/RemoteLayerTree.serialization.in:
* Source/WebKit/Shared/RemoteLayerTree/RemoteLayerTreePropertyApplier.mm:
(WebKit::RemoteLayerTreePropertyApplier::applyPropertiesToLayer):
* Source/WebKit/WebProcess/WebPage/RemoteLayerTree/PlatformCALayerRemote.h:
* Source/WebKit/WebProcess/WebPage/RemoteLayerTree/PlatformCALayerRemote.mm:
(WebKit::PlatformCALayerRemote::setIsBackdropRoot): Deleted.

Canonical link: https://commits.webkit.org/268221@main

LayoutTests/css3/filters/backdrop/backdrop-filter-does-not-size-properly-absolute-expected.txt

@@ -8,22 +8,16 @@ foo foobar
       (contentsOpaque 1)
       (children 1
         (GraphicsLayer
-          (bounds 800.00 600.00)
+          (position 8.00 8.00)
+          (bounds 342.00 318.00)
           (drawsContent 1)
-          (children 1
-            (GraphicsLayer
-              (position 8.00 8.00)
-              (bounds 342.00 318.00)
-              (drawsContent 1)
-              (structural layer
-                (position 179.00 167.00)
-                (bounds 342.00 318.00)
-              )
-              (backdrop layer
-                (position 0.00 0.00)
-                (bounds 100.00 200.00)
-              )
-            )
+          (structural layer
+            (position 179.00 167.00)
+            (bounds 342.00 318.00)
+          )
+          (backdrop layer
+            (position 0.00 0.00)
+            (bounds 100.00 200.00)
           )
         )
       )

LayoutTests/css3/filters/backdrop/backdrop-filter-does-not-size-properly-border-and-padding-expected.txt

@@ -8,22 +8,16 @@ foo
       (contentsOpaque 1)
       (children 1
         (GraphicsLayer
-          (bounds 800.00 600.00)
+          (position 8.00 8.00)
+          (bounds 180.00 280.00)
           (drawsContent 1)
-          (children 1
-            (GraphicsLayer
-              (position 8.00 8.00)
-              (bounds 180.00 280.00)
-              (drawsContent 1)
-              (structural layer
-                (position 98.00 148.00)
-                (bounds 180.00 280.00)
-              )
-              (backdrop layer
-                (position 0.00 0.00)
-                (bounds 180.00 280.00)
-              )
-            )
+          (structural layer
+            (position 98.00 148.00)
+            (bounds 180.00 280.00)
+          )
+          (backdrop layer
+            (position 0.00 0.00)
+            (bounds 180.00 280.00)
           )
         )
       )

LayoutTests/css3/filters/backdrop/backdrop-filter-with-cliprect-expected.txt

@@ -9,22 +9,16 @@ bar
       (contentsOpaque 1)
       (children 1
         (GraphicsLayer
-          (bounds 800.00 600.00)
+          (position 8.00 26.00)
+          (bounds 120.00 120.00)
           (drawsContent 1)
-          (children 1
-            (GraphicsLayer
-              (position 8.00 26.00)
-              (bounds 120.00 120.00)
-              (drawsContent 1)
-              (structural layer
-                (position 68.00 86.00)
-                (bounds 120.00 120.00)
-              )
-              (backdrop layer
-                (position 0.00 0.00)
-                (bounds 120.00 120.00)
-              )
-            )
+          (structural layer
+            (position 68.00 86.00)
+            (bounds 120.00 120.00)
+          )
+          (backdrop layer
+            (position 0.00 0.00)
+            (bounds 120.00 120.00)
           )
         )
       )

LayoutTests/css3/filters/backdrop/backdrop-filter-with-mask-expected.txt

@@ -9,27 +9,21 @@ bar
       (contentsOpaque 1)
       (children 1
         (GraphicsLayer
-          (bounds 800.00 600.00)
+          (position 8.00 26.00)
+          (bounds 120.00 120.00)
           (drawsContent 1)
-          (children 1
+          (mask layer)
             (GraphicsLayer
-              (position 8.00 26.00)
               (bounds 120.00 120.00)
               (drawsContent 1)
-              (mask layer)
-                (GraphicsLayer
-                  (bounds 120.00 120.00)
-                  (drawsContent 1)
-                )
-              (structural layer
-                (position 68.00 86.00)
-                (bounds 120.00 120.00)
-              )
-              (backdrop layer
-                (position 0.00 0.00)
-                (bounds 120.00 120.00)
-              )
             )
+          (structural layer
+            (position 68.00 86.00)
+            (bounds 120.00 120.00)
+          )
+          (backdrop layer
+            (position 0.00 0.00)
+            (bounds 120.00 120.00)
           )
         )
       )

LayoutTests/css3/filters/backdrop/backdrop-with-visibility-hidden-changing-expected.txt

@@ -8,22 +8,16 @@ Dump when filter is visible:
       (contentsOpaque 1)
       (children 1
         (GraphicsLayer
-          (bounds 800.00 600.00)
+          (position 0.00 150.00)
+          (bounds 402.00 52.00)
           (drawsContent 1)
-          (children 1
-            (GraphicsLayer
-              (position 0.00 150.00)
-              (bounds 402.00 52.00)
-              (drawsContent 1)
-              (structural layer
-                (position 201.00 176.00)
-                (bounds 402.00 52.00)
-              )
-              (backdrop layer
-                (position 0.00 0.00)
-                (bounds 402.00 52.00)
-              )
-            )
+          (structural layer
+            (position 201.00 176.00)
+            (bounds 402.00 52.00)
+          )
+          (backdrop layer
+            (position 0.00 0.00)
+            (bounds 402.00 52.00)
           )
         )
       )
@@ -40,23 +34,17 @@ Dump when filter is hidden:
       (contentsOpaque 1)
       (children 1
         (GraphicsLayer
-          (bounds 800.00 600.00)
-          (drawsContent 1)
-          (children 1
-            (GraphicsLayer
-              (position 0.00 150.00)
-              (bounds 402.00 52.00)
-              (contentsVisible 0)
-              (structural layer
-                (position 201.00 176.00)
-                (bounds 402.00 52.00)
-              )
-              (backdrop layer
-                (position 0.00 0.00)
-                (bounds 402.00 52.00)
-                (hidden)
-              )
-            )
+          (position 0.00 150.00)
+          (bounds 402.00 52.00)
+          (contentsVisible 0)
+          (structural layer
+            (position 201.00 176.00)
+            (bounds 402.00 52.00)
+          )
+          (backdrop layer
+            (position 0.00 0.00)
+            (bounds 402.00 52.00)
+            (hidden)
           )
         )
       )
@@ -73,22 +61,16 @@ Dump when filter is visible again:
       (contentsOpaque 1)
       (children 1
         (GraphicsLayer
-          (bounds 800.00 600.00)
+          (position 0.00 150.00)
+          (bounds 402.00 52.00)
           (drawsContent 1)
-          (children 1
-            (GraphicsLayer
-              (position 0.00 150.00)
-              (bounds 402.00 52.00)
-              (drawsContent 1)
-              (structural layer
-                (position 201.00 176.00)
-                (bounds 402.00 52.00)
-              )
-              (backdrop layer
-                (position 0.00 0.00)
-                (bounds 402.00 52.00)
-              )
-            )
+          (structural layer
+            (position 201.00 176.00)
+            (bounds 402.00 52.00)
+          )
+          (backdrop layer
+            (position 0.00 0.00)
+            (bounds 402.00 52.00)
           )
         )
       )

LayoutTests/css3/filters/backdrop/backdrop-with-visibility-hidden-expected.txt

@@ -7,23 +7,17 @@
       (contentsOpaque 1)
       (children 1
         (GraphicsLayer
-          (bounds 800.00 600.00)
-          (drawsContent 1)
-          (children 1
-            (GraphicsLayer
-              (position 0.00 150.00)
-              (bounds 402.00 52.00)
-              (contentsVisible 0)
-              (structural layer
-                (position 201.00 176.00)
-                (bounds 402.00 52.00)
-              )
-              (backdrop layer
-                (position 0.00 0.00)
-                (bounds 402.00 52.00)
-                (hidden)
-              )
-            )
+          (position 0.00 150.00)
+          (bounds 402.00 52.00)
+          (contentsVisible 0)
+          (structural layer
+            (position 201.00 176.00)
+            (bounds 402.00 52.00)
+          )
+          (backdrop layer
+            (position 0.00 0.00)
+            (bounds 402.00 52.00)
+            (hidden)
           )
         )
       )