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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/196358">196358</a></dd>
<dt>Author</dt> <dd>bshafiei@apple.com</dd>
<dt>Date</dt> <dd>2016-02-09 19:12:37 -0800 (Tue, 09 Feb 2016)</dd>
</dl>
<h3>Log Message</h3>
<pre>Merged <a href="http://trac.webkit.org/projects/webkit/changeset/190616">r190616</a>. rdar://problem/24563410</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#branchessafari601branchSourceWebCoreChangeLog">branches/safari-601-branch/Source/WebCore/ChangeLog</a></li>
<li><a href="#branchessafari601branchSourceWebCoreplatformgraphicscaTileGridcpp">branches/safari-601-branch/Source/WebCore/platform/graphics/ca/TileGrid.cpp</a></li>
<li><a href="#branchessafari601branchSourceWebCoreplatformgraphicscawinPlatformCALayerWinInternalcpp">branches/safari-601-branch/Source/WebCore/platform/graphics/ca/win/PlatformCALayerWinInternal.cpp</a></li>
<li><a href="#branchessafari601branchSourceWebCoreplatformgraphicscawinWebTiledBackingLayerWincpp">branches/safari-601-branch/Source/WebCore/platform/graphics/ca/win/WebTiledBackingLayerWin.cpp</a></li>
</ul>
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<div id="patch">
<h3>Diff</h3>
<a id="branchessafari601branchSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: branches/safari-601-branch/Source/WebCore/ChangeLog (196357 => 196358)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-601-branch/Source/WebCore/ChangeLog 2016-02-10 03:11:09 UTC (rev 196357)
+++ branches/safari-601-branch/Source/WebCore/ChangeLog 2016-02-10 03:12:37 UTC (rev 196358)
</span><span class="lines">@@ -1,5 +1,35 @@
</span><span class="cx"> 2016-02-09 Babak Shafiei <bshafiei@apple.com>
</span><span class="cx">
</span><ins>+ Merge r190616.
+
+ 2015-10-06 Brent Fulgham <bfulgham@apple.com>
+
+ [Win] Correct positioning error introduced in r190235
+ https://bugs.webkit.org/show_bug.cgi?id=149631
+ <rdar://problem/22635080>
+
+ Reviewed by Simon Fraser.
+
+ Covered by existing compositing tests:
+ css3/filters/clipping-overflow-scroll-with-pixel-moving-effect-on.html
+ fast/layers/no-clipping-overflow-hidden-added-after-transform.html
+ fast/layers/no-clipping-overflow-hidden-added-after-transition.html
+ fast/layers/no-clipping-overflow-hidden-hardware-acceleration.html
+ transforms/2d/preserve3d-not-fixed-container.html
+
+ * platform/graphics/ca/TileGrid.cpp:
+ (TileGrid::platformCALayerPaintContents): No need to do this extra flipping step
+ on Windows.
+ * platform/graphics/ca/win/PlatformCALayerWinInternal.cpp:
+ (PlatformCALayerWinInternal::displayCallback): We should always flip the
+ coordinate system when drawing these layers on Windows.
+ (shouldInvertBeforeDrawingContent): Deleted.
+ * platform/graphics/ca/win/WebTiledBackingLayerWin.cpp:
+ (WebTiledBackingLayerWin::displayCallback): We do not need to flip coordinates
+ for these tiled layers; that's already accounted for in common tile drawing code.
+
+2016-02-09 Babak Shafiei <bshafiei@apple.com>
+
</ins><span class="cx"> Merge patch for rdar://problem/24563410.
</span><span class="cx">
</span><span class="cx"> 2016-02-09 Brent Fulgham <bfulgham@apple.com>
</span></span></pre></div>
<a id="branchessafari601branchSourceWebCoreplatformgraphicscaTileGridcpp"></a>
<div class="modfile"><h4>Modified: branches/safari-601-branch/Source/WebCore/platform/graphics/ca/TileGrid.cpp (196357 => 196358)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-601-branch/Source/WebCore/platform/graphics/ca/TileGrid.cpp 2016-02-10 03:11:09 UTC (rev 196357)
+++ branches/safari-601-branch/Source/WebCore/platform/graphics/ca/TileGrid.cpp 2016-02-10 03:12:37 UTC (rev 196358)
</span><span class="lines">@@ -673,13 +673,8 @@
</span><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> int repaintCount = platformCALayerIncrementRepaintCount(platformCALayer);
</span><del>- if (m_controller.rootLayer().owner()->platformCALayerShowRepaintCounter(0)) {
-#if OS(WINDOWS)
- // Tiled layers in Windows have flipped coordinates
- PlatformCALayer::flipContext(context.platformContext(), platformCALayer->bounds().size().height());
-#endif
</del><ins>+ if (m_controller.rootLayer().owner()->platformCALayerShowRepaintCounter(0))
</ins><span class="cx"> PlatformCALayer::drawRepaintIndicator(context.platformContext(), platformCALayer, repaintCount, cachedCGColor(m_controller.tileDebugBorderColor(), ColorSpaceDeviceRGB));
</span><del>- }
</del><span class="cx">
</span><span class="cx"> if (m_controller.scrollingPerformanceLoggingEnabled()) {
</span><span class="cx"> FloatRect visiblePart(platformCALayer->position().x(), platformCALayer->position().y(), platformCALayer->bounds().size().width(), platformCALayer->bounds().size().height());
</span></span></pre></div>
<a id="branchessafari601branchSourceWebCoreplatformgraphicscawinPlatformCALayerWinInternalcpp"></a>
<div class="modfile"><h4>Modified: branches/safari-601-branch/Source/WebCore/platform/graphics/ca/win/PlatformCALayerWinInternal.cpp (196357 => 196358)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-601-branch/Source/WebCore/platform/graphics/ca/win/PlatformCALayerWinInternal.cpp 2016-02-10 03:11:09 UTC (rev 196357)
+++ branches/safari-601-branch/Source/WebCore/platform/graphics/ca/win/PlatformCALayerWinInternal.cpp 2016-02-10 03:12:37 UTC (rev 196358)
</span><span class="lines">@@ -71,12 +71,6 @@
</span><span class="cx"> self->displayCallback(retainedContext->layer.get(), retainedContext->context.get());
</span><span class="cx"> }
</span><span class="cx">
</span><del>-static bool shouldInvertBeforeDrawingContent(PlatformCALayer::LayerType layerType, GraphicsLayer::CompositingCoordinatesOrientation coordinateOrientation)
-{
- return (layerType != PlatformCALayer::LayerTypeTiledBackingTileLayer)
- && (coordinateOrientation == GraphicsLayer::CompositingCoordinatesTopDown);
-}
-
</del><span class="cx"> static bool repaintCountersAreDrawnByGridController(PlatformCALayer::LayerType layerType)
</span><span class="cx"> {
</span><span class="cx"> return layerType == PlatformCALayer::LayerTypeTiledBackingTileLayer;
</span><span class="lines">@@ -100,8 +94,7 @@
</span><span class="cx"> PlatformCALayerClient* client = owner()->owner();
</span><span class="cx"> GraphicsLayer::CompositingCoordinatesOrientation orientation = client->platformCALayerContentsOrientation();
</span><span class="cx">
</span><del>- if (shouldInvertBeforeDrawingContent(layerType, orientation))
- PlatformCALayer::flipContext(context, layerBounds.size.height);
</del><ins>+ PlatformCALayer::flipContext(context, layerBounds.size.height);
</ins><span class="cx">
</span><span class="cx"> GraphicsContext graphicsContext(context);
</span><span class="cx">
</span></span></pre></div>
<a id="branchessafari601branchSourceWebCoreplatformgraphicscawinWebTiledBackingLayerWincpp"></a>
<div class="modfile"><h4>Modified: branches/safari-601-branch/Source/WebCore/platform/graphics/ca/win/WebTiledBackingLayerWin.cpp (196357 => 196358)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-601-branch/Source/WebCore/platform/graphics/ca/win/WebTiledBackingLayerWin.cpp 2016-02-10 03:11:09 UTC (rev 196357)
+++ branches/safari-601-branch/Source/WebCore/platform/graphics/ca/win/WebTiledBackingLayerWin.cpp 2016-02-10 03:12:37 UTC (rev 196358)
</span><span class="lines">@@ -87,8 +87,6 @@
</span><span class="cx"> PlatformCALayerClient* client = owner()->owner();
</span><span class="cx"> GraphicsLayer::CompositingCoordinatesOrientation orientation = client->platformCALayerContentsOrientation();
</span><span class="cx">
</span><del>- PlatformCALayer::flipContext(context, layerBounds.size.height);
-
</del><span class="cx"> GraphicsContext graphicsContext(context);
</span><span class="cx">
</span><span class="cx"> // It's important to get the clip from the context, because it may be significantly
</span></span></pre>
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