[SPInvalidation] Use GeometryMapper in PaintLayerClipper for paint.

third_party/WebKit/Source/core/paint/PaintLayerPainter.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/paint/PaintLayerPainter.h"
 
 #include "core/frame/LocalFrame.h"
 #include "core/layout/LayoutView.h"
 #include "core/paint/ClipPathClipper.h"
 #include "core/paint/FilterPainter.h"
@@ skipping 209 matching lines @@
   // Repaint subsequence if the layer is marked for needing repaint.
   // We don't set needsResetEmptyPaintPhase here, but clear the empty paint
   // phase flags in PaintLayer::setNeedsPaintPhaseXXX(), to ensure that we won't
   // clear previousPaintPhaseXXXEmpty flags when unrelated things changed which
   // won't cause the paint phases to become non-empty.
   if (paintLayer.needsRepaint())
     needsRepaint = true;
 
   // Repaint if layer's clip changes.
   if (!RuntimeEnabledFeatures::slimmingPaintInvalidationEnabled()) {
-    ClipRects& clipRects = paintLayer.clipper().paintingClipRects(
+    ClipRects& clipRects = paintLayer.clipper(false).paintingClipRects(
         paintingInfo.rootLayer, respectOverflowClip, subpixelAccumulation);
     ClipRects* previousClipRects = paintLayer.previousPaintingClipRects();
     if (&clipRects != previousClipRects &&
         (!previousClipRects || clipRects != *previousClipRects)) {
       needsRepaint = true;
       shouldClearEmptyPaintPhaseFlags = true;
     }
     paintLayer.setPreviousPaintingClipRects(clipRects);
   }
 
@@ skipping 197 matching lines @@
     }
 
     // TODO(trchen): We haven't decided how to handle visual fragmentation with
     // SPv2.  Related thread
     // https://groups.google.com/a/chromium.org/forum/#!topic/graphics-dev/81XuWFf-mxM
     if (fragmentPolicy == ForceSingleFragment ||
         RuntimeEnabledFeatures::slimmingPaintV2Enabled()) {
       paintLayerForFragments->appendSingleFragmentIgnoringPagination(
           layerFragments, localPaintingInfo.rootLayer,
           localPaintingInfo.paintDirtyRect, cacheSlot,
+          RuntimeEnabledFeatures::slimmingPaintInvalidationEnabled(),
           IgnoreOverlayScrollbarSize, respectOverflowClip, &offsetFromRoot,
           localPaintingInfo.subPixelAccumulation);
     } else if (isFixedPositionObjectInPagedMedia()) {
       PaintLayerFragments singleFragment;
       paintLayerForFragments->appendSingleFragmentIgnoringPagination(
           singleFragment, localPaintingInfo.rootLayer,
           localPaintingInfo.paintDirtyRect, cacheSlot,
+          RuntimeEnabledFeatures::slimmingPaintInvalidationEnabled(),
           IgnoreOverlayScrollbarSize, respectOverflowClip, &offsetFromRoot,
           localPaintingInfo.subPixelAccumulation);
       repeatFixedPositionObjectInPages(singleFragment[0], paintingInfo,
                                        layerFragments);
     } else {
       paintLayerForFragments->collectFragments(
           layerFragments, localPaintingInfo.rootLayer,
           localPaintingInfo.paintDirtyRect, cacheSlot,
+          RuntimeEnabledFeatures::slimmingPaintInvalidationEnabled(),
           IgnoreOverlayScrollbarSize, respectOverflowClip, &offsetFromRoot,
           localPaintingInfo.subPixelAccumulation);
     }
 
     if (paintFlags & PaintLayerPaintingAncestorClippingMaskPhase) {
       // Fragment offsets have been computed in the clipping container's
       // layer's coordinate system, but for the rest of painting we need
       // them in the layer coordinate. So move them and the foreground rect
       // that is also in the clipper's space.
       LayoutSize negativeOffset(-offsetToClipper.x(), -offsetToClipper.y());
@@ skipping 239 matching lines @@
     // to figure out which fragmentainers (e.g. columns) we need to visit.
     LayoutRect transformedExtent = PaintLayer::transparencyClipBox(
         &m_paintLayer, paginationLayer, PaintLayer::PaintingTransparencyClipBox,
         PaintLayer::RootOfTransparencyClipBox,
         paintingInfo.subPixelAccumulation, paintingInfo.getGlobalPaintFlags());
     // FIXME: we don't check if paginationLayer is within
     // paintingInfo.rootLayer
     // here.
     paginationLayer->collectFragments(
         layerFragments, paintingInfo.rootLayer, paintingInfo.paintDirtyRect,
-        cacheSlot, IgnoreOverlayScrollbarSize, respectOverflowClip, nullptr,
+        cacheSlot, RuntimeEnabledFeatures::slimmingPaintInvalidationEnabled(),
+        IgnoreOverlayScrollbarSize, respectOverflowClip, nullptr,
         paintingInfo.subPixelAccumulation, &transformedExtent);
   }
 
   Optional<DisplayItemCacheSkipper> cacheSkipper;
   if (layerFragments.size() > 1)
     cacheSkipper.emplace(context);
 
   ClipRect ancestorBackgroundClipRect;
   if (!RuntimeEnabledFeatures::slimmingPaintV2Enabled()) {
     if (parentLayer) {
       // Calculate the clip rectangle that the ancestors establish.
       ClipRectsContext clipRectsContext(
           paintingInfo.rootLayer,
           (paintFlags & PaintLayerUncachedClipRects) ? UncachedClipRects
                                                      : PaintingClipRects,
           IgnoreOverlayScrollbarSize);
       if (shouldRespectOverflowClip(paintFlags, m_paintLayer.layoutObject()) ==
           IgnoreOverflowClip)
         clipRectsContext.setIgnoreOverflowClip();
       ancestorBackgroundClipRect =
-          m_paintLayer.clipper().backgroundClipRect(clipRectsContext);
+          m_paintLayer
+              .clipper(
+                  RuntimeEnabledFeatures::slimmingPaintInvalidationEnabled())
+              .backgroundClipRect(clipRectsContext);
     }
   }
 
   PaintResult result = FullyPainted;
   for (const auto& fragment : layerFragments) {
     Optional<LayerClipRecorder> clipRecorder;
     if (parentLayer && !RuntimeEnabledFeatures::slimmingPaintV2Enabled()) {
       ClipRect clipRectForFragment(ancestorBackgroundClipRect);
       // A fixed-position object is repeated on every page instead of paginated,
       // so we should apply the original ancestor clip rect.
@@ skipping 432 matching lines @@
           context, layoutObject, PaintPhaseClippingMask))
     return;
 
   IntRect snappedClipRect = pixelSnappedIntRect(clipRect.rect());
   LayoutObjectDrawingRecorder drawingRecorder(
       context, layoutObject, PaintPhaseClippingMask, snappedClipRect);
   context.fillRect(snappedClipRect, Color::black);
 }
 
 }  // namespace blink