Diff
Modified: trunk/LayoutTests/ChangeLog (206661 => 206662)
--- trunk/LayoutTests/ChangeLog 2016-09-30 20:52:02 UTC (rev 206661)
+++ trunk/LayoutTests/ChangeLog 2016-09-30 20:58:29 UTC (rev 206662)
@@ -1,3 +1,15 @@
+2016-09-30 Zalan Bujtas <[email protected]>
+
+ Unreviewed, rolling out r206611.
+
+ Scroll perf did not recover.
+
+ Reverted changeset:
+
+ "Unreviewed, rolling out r206483."
+ https://bugs.webkit.org/show_bug.cgi?id=162750
+ http://trac.webkit.org/changeset/206611
+
2016-09-30 Ryan Haddad <[email protected]>
Rebaseline js/dom/stack-trace.html after r206654.
Added: trunk/LayoutTests/compositing/hidpi-composited-container-and-graphics-layer-gap-changes-expected.html (0 => 206662)
--- trunk/LayoutTests/compositing/hidpi-composited-container-and-graphics-layer-gap-changes-expected.html (rev 0)
+++ trunk/LayoutTests/compositing/hidpi-composited-container-and-graphics-layer-gap-changes-expected.html 2016-09-30 20:58:29 UTC (rev 206662)
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<html>
+<head>
+<title>This tests when the gap between the graphics layer and its associated renderer changes dynamically.</title>
+<style>
+div {
+ width: 20px;
+ height: 20px;
+ background-color: green;
+ position: absolute;
+}
+</style>
+</head>
+<body>
+<p id="container"></p>
+<script>
+ var subpixel = 0;
+ var container = document.getElementById("container");
+ for (i = 0; i < 20; ++i) {
+ for (j = 0; j < 20; ++j) {
+ var outer = document.createElement("div");
+ outer.style.top = 25 * i + subpixel + "px";
+ outer.style.left = 25 * j + subpixel + "px";
+ container.appendChild(outer);
+ subpixel += 0.1;
+ }
+ }
+</script>
+</body>
+</html>
Added: trunk/LayoutTests/compositing/hidpi-composited-container-and-graphics-layer-gap-changes.html (0 => 206662)
--- trunk/LayoutTests/compositing/hidpi-composited-container-and-graphics-layer-gap-changes.html (rev 0)
+++ trunk/LayoutTests/compositing/hidpi-composited-container-and-graphics-layer-gap-changes.html 2016-09-30 20:58:29 UTC (rev 206662)
@@ -0,0 +1,51 @@
+<!DOCTYPE html>
+<html>
+<head>
+<title>This tests when the gap between the graphics layer and its associated renderer changes dynamically.</title>
+<style>
+div {
+ transform: translateZ(0);
+ width: 20px;
+ height: 20px;
+ background-color: green;
+ position: absolute;
+}
+
+.boxShadow {
+ background-color: yellow;
+}
+</style>
+<script>
+ if (window.testRunner)
+ testRunner.waitUntilDone();
+
+ function runTest() {
+ setTimeout(function() {
+ var elements = document.getElementsByClassName("boxShadow")
+ for (var i = 0; i < elements.length; ++i)
+ elements[i].style.boxShadow = "0px 0px 10px transparent";
+ if (window.testRunner)
+ testRunner.notifyDone();
+ }, 0);
+ }
+</script>
+</head>
+<body _onload_="runTest()">
+<p id="container"></p>
+<script>
+ var subpixel = 0;
+ var container = document.getElementById("container");
+ for (i = 0; i < 20; ++i) {
+ for (j = 0; j < 20; ++j) {
+ var outer = document.createElement("div");
+ outer.style.top = 25 * i + subpixel + "px";
+ outer.style.left = 25 * j + subpixel + "px";
+ outer.className = "boxShadow";
+ outer.appendChild(document.createElement("div"));
+ container.appendChild(outer);
+ subpixel += 0.1;
+ }
+ }
+</script>
+</body>
+</html>
Added: trunk/LayoutTests/compositing/hidpi-negative-composited-bounds-on-device-pixel-expected.html (0 => 206662)
--- trunk/LayoutTests/compositing/hidpi-negative-composited-bounds-on-device-pixel-expected.html (rev 0)
+++ trunk/LayoutTests/compositing/hidpi-negative-composited-bounds-on-device-pixel-expected.html 2016-09-30 20:58:29 UTC (rev 206662)
@@ -0,0 +1,37 @@
+<!DOCTYPE html>
+<html>
+<head>
+<title>This tests when the composited bounds lands on device pixel.</title>
+<style>
+.container {
+ position: absolute;
+ background-color: green;
+ width: 50px;
+ height: 50px;
+ left: 10.1px;
+ top: 10.1px;
+}
+
+.offset {
+ background-color: blue;
+ width: 10px;
+ height: 10px;
+ left: -0.6px;
+ top: -0.7px;
+ position: relative;
+ }
+
+.jiggle {
+ height: 30px;
+ width: 30px;
+ background-color: red;
+}
+</style>
+</head>
+<body>
+<div class=container>
+ <div class=offset></div>
+ <div class=jiggle></div>
+</div>
+</body>
+</html>
Added: trunk/LayoutTests/compositing/hidpi-negative-composited-bounds-on-device-pixel.html (0 => 206662)
--- trunk/LayoutTests/compositing/hidpi-negative-composited-bounds-on-device-pixel.html (rev 0)
+++ trunk/LayoutTests/compositing/hidpi-negative-composited-bounds-on-device-pixel.html 2016-09-30 20:58:29 UTC (rev 206662)
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<html>
+<head>
+<title>This tests when the composited bounds lands on device pixel.</title>
+<style>
+.container {
+ position: absolute;
+ background-color: green;
+ transform: translateZ(0);
+ width: 50px;
+ height: 50px;
+ left: 10.1px;
+ top: 10.1px;
+}
+
+.offset {
+ background-color: blue;
+ width: 10px;
+ height: 10px;
+ left: -0.6px;
+ top: -0.7px;
+ position: relative;
+ }
+
+.jiggle {
+ height: 30px;
+ width: 30px;
+ background-color: red;
+ transform: translateZ(0);
+}
+</style>
+</head>
+<body>
+<div class=container>
+ <div class=offset></div>
+ <div class=jiggle></div>
+</div>
+</body>
+</html>
Modified: trunk/Source/WebCore/ChangeLog (206661 => 206662)
--- trunk/Source/WebCore/ChangeLog 2016-09-30 20:52:02 UTC (rev 206661)
+++ trunk/Source/WebCore/ChangeLog 2016-09-30 20:58:29 UTC (rev 206662)
@@ -1,5 +1,17 @@
2016-09-30 Zalan Bujtas <[email protected]>
+ Unreviewed, rolling out r206611.
+
+ Scroll perf did not recover.
+
+ Reverted changeset:
+
+ "Unreviewed, rolling out r206483."
+ https://bugs.webkit.org/show_bug.cgi?id=162750
+ http://trac.webkit.org/changeset/206611
+
+2016-09-30 Zalan Bujtas <[email protected]>
+
Remove ClipRects's custom refcounting.
https://bugs.webkit.org/show_bug.cgi?id=162798
Modified: trunk/Source/WebCore/rendering/RenderLayerBacking.cpp (206661 => 206662)
--- trunk/Source/WebCore/rendering/RenderLayerBacking.cpp 2016-09-30 20:52:02 UTC (rev 206661)
+++ trunk/Source/WebCore/rendering/RenderLayerBacking.cpp 2016-09-30 20:58:29 UTC (rev 206662)
@@ -740,14 +740,18 @@
return snappedGraphicsLayer;
}
-static LayoutSize computeOffsetFromAncestorGraphicsLayer(RenderLayer* compositedAncestor, const LayoutPoint& location)
+static LayoutSize computeOffsetFromAncestorGraphicsLayer(RenderLayer* compositedAncestor, const LayoutPoint& location, float deviceScaleFactor)
{
if (!compositedAncestor)
return toLayoutSize(location);
- LayoutSize ancestorRenderLayerOffsetFromAncestorGraphicsLayer = -(LayoutSize(compositedAncestor->backing()->graphicsLayer()->offsetFromRenderer())
- + compositedAncestor->backing()->subpixelOffsetFromRenderer());
- return ancestorRenderLayerOffsetFromAncestorGraphicsLayer + toLayoutSize(location);
+ // FIXME: This is a workaround until after webkit.org/162634 gets fixed. ancestorSubpixelOffsetFromRenderer
+ // could be stale when a dynamic composited state change triggers a pre-order updateGeometry() traversal.
+ LayoutSize ancestorSubpixelOffsetFromRenderer = compositedAncestor->backing()->subpixelOffsetFromRenderer();
+ LayoutRect ancestorCompositedBounds = compositedAncestor->backing()->compositedBounds();
+ LayoutSize floored = toLayoutSize(LayoutPoint(floorPointToDevicePixels(ancestorCompositedBounds.location() - ancestorSubpixelOffsetFromRenderer, deviceScaleFactor)));
+ LayoutSize ancestorRendererOffsetFromAncestorGraphicsLayer = -(floored + ancestorSubpixelOffsetFromRenderer);
+ return ancestorRendererOffsetFromAncestorGraphicsLayer + toLayoutSize(location);
}
class ComputedOffsets {
@@ -757,6 +761,7 @@
, m_location(localRect.location())
, m_parentGraphicsLayerOffset(toLayoutSize(parentGraphicsLayerRect.location()))
, m_primaryGraphicsLayerOffset(toLayoutSize(primaryGraphicsLayerRect.location()))
+ , m_deviceScaleFactor(renderLayer.renderer().document().deviceScaleFactor())
{
}
@@ -780,7 +785,7 @@
if (!m_fromAncestorGraphicsLayer) {
RenderLayer* compositedAncestor = m_renderLayer.ancestorCompositingLayer();
LayoutPoint localPointInAncestorRenderLayerCoords = m_renderLayer.convertToLayerCoords(compositedAncestor, m_location, RenderLayer::AdjustForColumns);
- m_fromAncestorGraphicsLayer = computeOffsetFromAncestorGraphicsLayer(compositedAncestor, localPointInAncestorRenderLayerCoords);
+ m_fromAncestorGraphicsLayer = computeOffsetFromAncestorGraphicsLayer(compositedAncestor, localPointInAncestorRenderLayerCoords, m_deviceScaleFactor);
}
return m_fromAncestorGraphicsLayer.value();
}
@@ -794,6 +799,7 @@
const LayoutPoint m_location;
const LayoutSize m_parentGraphicsLayerOffset;
const LayoutSize m_primaryGraphicsLayerOffset;
+ float m_deviceScaleFactor;
};
LayoutRect RenderLayerBacking::computePrimaryGraphicsLayerRect(const LayoutRect& parentGraphicsLayerRect) const
@@ -821,7 +827,7 @@
if (ancestorBackingLayer->hasClippingLayer()) {
// If the compositing ancestor has a layer to clip children, we parent in that, and therefore position relative to it.
LayoutRect clippingBox = clipBox(downcast<RenderBox>(compositedAncestor->renderer()));
- LayoutSize clippingBoxOffset = computeOffsetFromAncestorGraphicsLayer(compositedAncestor, clippingBox.location());
+ LayoutSize clippingBoxOffset = computeOffsetFromAncestorGraphicsLayer(compositedAncestor, clippingBox.location(), deviceScaleFactor());
parentGraphicsLayerRect = snappedGraphicsLayer(clippingBoxOffset, clippingBox.size(), deviceScaleFactor()).m_snappedRect;
}
@@ -850,7 +856,7 @@
RenderLayer::ClipRectsContext clipRectsContext(compositedAncestor, TemporaryClipRects, IgnoreOverlayScrollbarSize, shouldRespectOverflowClip);
LayoutRect parentClipRect = m_owningLayer.backgroundClipRect(clipRectsContext).rect(); // FIXME: Incorrect for CSS regions.
ASSERT(!parentClipRect.isInfinite());
- LayoutSize clippingOffset = computeOffsetFromAncestorGraphicsLayer(compositedAncestor, parentClipRect.location());
+ LayoutSize clippingOffset = computeOffsetFromAncestorGraphicsLayer(compositedAncestor, parentClipRect.location(), deviceScaleFactor());
LayoutRect snappedClippingLayerRect = snappedGraphicsLayer(clippingOffset, parentClipRect.size(), deviceScaleFactor()).m_snappedRect;
// The primary layer is then parented in, and positioned relative to this clipping layer.
ancestorClippingLayerOffset = snappedClippingLayerRect.location() - parentGraphicsLayerRect.location();