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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "config.h" |
| 6 #include "web/tests/sim/SimCompositor.h" |
| 7 |
| 8 #include "core/frame/FrameView.h" |
| 9 #include "core/layout/LayoutView.h" |
| 10 #include "core/layout/compositing/CompositedDeprecatedPaintLayerMapping.h" |
| 11 #include "core/paint/DeprecatedPaintLayer.h" |
| 12 #include "platform/graphics/ContentLayerDelegate.h" |
| 13 #include "public/platform/WebRect.h" |
| 14 #include "web/WebLocalFrameImpl.h" |
| 15 #include "web/WebViewImpl.h" |
| 16 #include "web/tests/sim/SimDisplayItemList.h" |
| 17 #include "web/tests/sim/SimLayerTreeView.h" |
| 18 #include "wtf/CurrentTime.h" |
| 19 |
| 20 namespace blink { |
| 21 |
| 22 static void paintLayers(DeprecatedPaintLayer& layer, SimDisplayItemList& display
List) |
| 23 { |
| 24 if (layer.compositingState() == PaintsIntoOwnBacking) { |
| 25 CompositedDeprecatedPaintLayerMapping* mapping = layer.compositedDepreca
tedPaintLayerMapping(); |
| 26 GraphicsLayer* graphicsLayer = mapping->mainGraphicsLayer(); |
| 27 if (graphicsLayer->hasTrackedPaintInvalidations()) { |
| 28 ContentLayerDelegate* delegate = graphicsLayer->contentLayerDelegate
ForTesting(); |
| 29 delegate->paintContents(&displayList, WebRect(0, 0, layer.size().wid
th(), layer.size().height())); |
| 30 graphicsLayer->resetTrackedPaintInvalidations(); |
| 31 } |
| 32 } |
| 33 for (DeprecatedPaintLayer* child = layer.firstChild(); child; child = child-
>nextSibling()) |
| 34 paintLayers(*child, displayList); |
| 35 } |
| 36 |
| 37 static void paintFrames(LocalFrame& root, SimDisplayItemList& displayList) |
| 38 { |
| 39 for (Frame* frame = &root; frame; frame = frame->tree().traverseNext(&root))
{ |
| 40 if (!frame->isLocalFrame()) |
| 41 continue; |
| 42 DeprecatedPaintLayer* layer = toLocalFrame(frame)->view()->layoutView()-
>layer(); |
| 43 paintLayers(*layer, displayList); |
| 44 } |
| 45 } |
| 46 |
| 47 SimCompositor::SimCompositor(SimLayerTreeView& layerTreeView) |
| 48 : m_layerTreeView(&layerTreeView) |
| 49 , m_webViewImpl(0) |
| 50 , m_lastFrameTimeMonotonic(0) |
| 51 { |
| 52 FrameView::setInitialTracksPaintInvalidationsForTesting(true); |
| 53 // Disable the debug red fill so the output display list doesn't differ in |
| 54 // size in Release vs Debug builds. |
| 55 GraphicsLayer::setDrawDebugRedFillForTesting(false); |
| 56 } |
| 57 |
| 58 SimCompositor::~SimCompositor() |
| 59 { |
| 60 FrameView::setInitialTracksPaintInvalidationsForTesting(false); |
| 61 GraphicsLayer::setDrawDebugRedFillForTesting(true); |
| 62 } |
| 63 |
| 64 void SimCompositor::setWebViewImpl(WebViewImpl& webViewImpl) |
| 65 { |
| 66 m_webViewImpl = &webViewImpl; |
| 67 } |
| 68 |
| 69 SimDisplayItemList SimCompositor::beginFrame() |
| 70 { |
| 71 ASSERT(m_webViewImpl); |
| 72 ASSERT(!m_layerTreeView->deferCommits()); |
| 73 ASSERT(m_layerTreeView->needsAnimate()); |
| 74 |
| 75 // Always advance the time as if the compositor was running at 60fps. |
| 76 m_lastFrameTimeMonotonic = monotonicallyIncreasingTime() + 0.016; |
| 77 |
| 78 WebBeginFrameArgs args(m_lastFrameTimeMonotonic, 0, 0); |
| 79 m_webViewImpl->beginFrame(args); |
| 80 m_webViewImpl->layout(); |
| 81 |
| 82 LocalFrame* root = m_webViewImpl->mainFrameImpl()->frame(); |
| 83 |
| 84 SimDisplayItemList displayList; |
| 85 paintFrames(*root, displayList); |
| 86 |
| 87 m_layerTreeView->clearNeedsAnimate(); |
| 88 |
| 89 return displayList; |
| 90 } |
| 91 |
| 92 } // namespace blink |
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