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1 // Copyright 2011 The Chromium Authors. All rights reserved. | 1 // Copyright 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "cc/layer_tree_host.h" | 5 #include "cc/layer_tree_host.h" |
6 | 6 |
7 #include "base/command_line.h" | 7 #include "base/command_line.h" |
8 #include "base/debug/trace_event.h" | 8 #include "base/debug/trace_event.h" |
9 #include "base/message_loop.h" | 9 #include "base/message_loop.h" |
10 #include "cc/font_atlas.h" | 10 #include "cc/font_atlas.h" |
11 #include "cc/graphics_context.h" | 11 #include "cc/graphics_context.h" |
12 #include "cc/heads_up_display_layer.h" | 12 #include "cc/heads_up_display_layer.h" |
13 #include "cc/heads_up_display_layer_impl.h" | 13 #include "cc/heads_up_display_layer_impl.h" |
14 #include "cc/layer.h" | 14 #include "cc/layer.h" |
15 #include "cc/layer_animation_controller.h" | 15 #include "cc/layer_animation_controller.h" |
16 #include "cc/layer_iterator.h" | 16 #include "cc/layer_iterator.h" |
17 #include "cc/layer_tree_host_client.h" | 17 #include "cc/layer_tree_host_client.h" |
18 #include "cc/layer_tree_host_common.h" | 18 #include "cc/layer_tree_host_common.h" |
19 #include "cc/layer_tree_host_impl.h" | 19 #include "cc/layer_tree_host_impl.h" |
20 #include "cc/math_util.h" | 20 #include "cc/math_util.h" |
21 #include "cc/occlusion_tracker.h" | 21 #include "cc/occlusion_tracker.h" |
22 #include "cc/overdraw_metrics.h" | 22 #include "cc/overdraw_metrics.h" |
23 #include "cc/settings.h" | |
24 #include "cc/single_thread_proxy.h" | 23 #include "cc/single_thread_proxy.h" |
25 #include "cc/switches.h" | 24 #include "cc/switches.h" |
26 #include "cc/thread.h" | 25 #include "cc/thread.h" |
27 #include "cc/thread_proxy.h" | 26 #include "cc/thread_proxy.h" |
28 #include "cc/tree_synchronizer.h" | 27 #include "cc/tree_synchronizer.h" |
29 | 28 |
30 using namespace std; | 29 using namespace std; |
31 | 30 |
32 namespace { | 31 namespace { |
33 static int numLayerTreeInstances; | 32 static int numLayerTreeInstances; |
34 } | 33 } |
35 | 34 |
36 namespace cc { | 35 namespace cc { |
37 | 36 |
38 bool LayerTreeHost::s_needsFilterContext = false; | 37 bool LayerTreeHost::s_needsFilterContext = false; |
39 | 38 |
40 LayerTreeSettings::LayerTreeSettings() | 39 LayerTreeSettings::LayerTreeSettings() |
41 : acceleratePainting(false) | 40 : acceleratePainting(false) |
42 , showPlatformLayerTree(false) | 41 , showPlatformLayerTree(false) |
43 , showPaintRects(false) | 42 , showPaintRects(false) |
44 , showPropertyChangedRects(false) | 43 , showPropertyChangedRects(false) |
45 , showSurfaceDamageRects(false) | 44 , showSurfaceDamageRects(false) |
46 , showScreenSpaceRects(false) | 45 , showScreenSpaceRects(false) |
47 , showReplicaScreenSpaceRects(false) | 46 , showReplicaScreenSpaceRects(false) |
48 , showOccludingRects(false) | 47 , showOccludingRects(false) |
49 , renderVSyncEnabled(true) | 48 , renderVSyncEnabled(true) |
49 , perTilePaintingEnabled(false) | |
50 , partialSwapEnabled(false) | |
51 , acceleratedAnimationEnabled(false) | |
52 , pageScalePinchZoomEnabled(false) | |
53 , jankInsteadOfCheckerboard(false) | |
slavi
2012/11/14 00:54:58
Wasn't jank-instead-of-checkerboard removed a coup
danakj
2012/11/14 00:56:36
it's in the process of dying in the CQ.
| |
54 , backgroundColorInsteadOfCheckerboard(false) | |
55 , showOverdrawInTracing(false) | |
50 , refreshRate(0) | 56 , refreshRate(0) |
51 , maxPartialTextureUpdates(std::numeric_limits<size_t>::max()) | 57 , maxPartialTextureUpdates(std::numeric_limits<size_t>::max()) |
52 , defaultTileSize(gfx::Size(256, 256)) | 58 , defaultTileSize(gfx::Size(256, 256)) |
53 , maxUntiledLayerSize(gfx::Size(512, 512)) | 59 , maxUntiledLayerSize(gfx::Size(512, 512)) |
54 , minimumOcclusionTrackingSize(gfx::Size(160, 160)) | 60 , minimumOcclusionTrackingSize(gfx::Size(160, 160)) |
55 { | 61 { |
56 // TODO(danakj): Move this to chromium when we don't go through the WebKit A PI anymore. | 62 // TODO(danakj): Move this to chromium when we don't go through the WebKit A PI anymore. |
57 showPropertyChangedRects = CommandLine::ForCurrentProcess()->HasSwitch(cc::s witches::kShowPropertyChangedRects); | 63 showPropertyChangedRects = CommandLine::ForCurrentProcess()->HasSwitch(cc::s witches::kShowPropertyChangedRects); |
58 showSurfaceDamageRects = CommandLine::ForCurrentProcess()->HasSwitch(cc::swi tches::kShowSurfaceDamageRects); | 64 showSurfaceDamageRects = CommandLine::ForCurrentProcess()->HasSwitch(cc::swi tches::kShowSurfaceDamageRects); |
59 showScreenSpaceRects = CommandLine::ForCurrentProcess()->HasSwitch(cc::switc hes::kShowScreenSpaceRects); | 65 showScreenSpaceRects = CommandLine::ForCurrentProcess()->HasSwitch(cc::switc hes::kShowScreenSpaceRects); |
60 showReplicaScreenSpaceRects = CommandLine::ForCurrentProcess()->HasSwitch(cc ::switches::kShowReplicaScreenSpaceRects); | 66 showReplicaScreenSpaceRects = CommandLine::ForCurrentProcess()->HasSwitch(cc ::switches::kShowReplicaScreenSpaceRects); |
61 showOccludingRects = CommandLine::ForCurrentProcess()->HasSwitch(cc::switche s::kShowOccludingRects); | 67 showOccludingRects = CommandLine::ForCurrentProcess()->HasSwitch(cc::switche s::kShowOccludingRects); |
68 partialSwapEnabled = CommandLine::ForCurrentProcess()->HasSwitch(switches::k EnablePartialSwap); | |
69 jankInsteadOfCheckerboard = CommandLine::ForCurrentProcess()->HasSwitch(swit ches::kJankInsteadOfCheckerboard); | |
70 backgroundColorInsteadOfCheckerboard = CommandLine::ForCurrentProcess()->Has Switch(switches::kBackgroundColorInsteadOfCheckerboard); | |
71 showOverdrawInTracing = CommandLine::ForCurrentProcess()->HasSwitch(switches ::kTraceOverdraw); | |
62 } | 72 } |
63 | 73 |
64 LayerTreeSettings::~LayerTreeSettings() | 74 LayerTreeSettings::~LayerTreeSettings() |
65 { | 75 { |
66 } | 76 } |
67 | 77 |
68 RendererCapabilities::RendererCapabilities() | 78 RendererCapabilities::RendererCapabilities() |
69 : bestTextureFormat(0) | 79 : bestTextureFormat(0) |
70 , contextHasCachedFrontBuffer(false) | 80 , contextHasCachedFrontBuffer(false) |
71 , usingPartialSwap(false) | 81 , usingPartialSwap(false) |
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538 return 0; | 548 return 0; |
539 } | 549 } |
540 | 550 |
541 void LayerTreeHost::updateLayers(Layer* rootLayer, ResourceUpdateQueue& queue) | 551 void LayerTreeHost::updateLayers(Layer* rootLayer, ResourceUpdateQueue& queue) |
542 { | 552 { |
543 TRACE_EVENT0("cc", "LayerTreeHost::updateLayers"); | 553 TRACE_EVENT0("cc", "LayerTreeHost::updateLayers"); |
544 | 554 |
545 LayerList updateList; | 555 LayerList updateList; |
546 | 556 |
547 { | 557 { |
548 if (Settings::pageScalePinchZoomEnabled()) { | 558 if (m_settings.pageScalePinchZoomEnabled) { |
549 Layer* rootScroll = findFirstScrollableLayer(rootLayer); | 559 Layer* rootScroll = findFirstScrollableLayer(rootLayer); |
550 if (rootScroll) | 560 if (rootScroll) |
551 rootScroll->setImplTransform(m_implTransform); | 561 rootScroll->setImplTransform(m_implTransform); |
552 } | 562 } |
553 | 563 |
554 TRACE_EVENT0("cc", "LayerTreeHost::updateLayers::calcDrawEtc"); | 564 TRACE_EVENT0("cc", "LayerTreeHost::updateLayers::calcDrawEtc"); |
555 LayerTreeHostCommon::calculateDrawTransforms(rootLayer, deviceViewportSi ze(), m_deviceScaleFactor, m_pageScaleFactor, rendererCapabilities().maxTextureS ize, updateList); | 565 LayerTreeHostCommon::calculateDrawTransforms(rootLayer, deviceViewportSi ze(), m_deviceScaleFactor, m_pageScaleFactor, rendererCapabilities().maxTextureS ize, updateList); |
556 } | 566 } |
557 | 567 |
558 // Reset partial texture update requests. | 568 // Reset partial texture update requests. |
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665 } | 675 } |
666 return needMoreUpdates; | 676 return needMoreUpdates; |
667 } | 677 } |
668 | 678 |
669 bool LayerTreeHost::paintLayerContents(const LayerList& renderSurfaceLayerList, ResourceUpdateQueue& queue) | 679 bool LayerTreeHost::paintLayerContents(const LayerList& renderSurfaceLayerList, ResourceUpdateQueue& queue) |
670 { | 680 { |
671 // Use FrontToBack to allow for testing occlusion and performing culling dur ing the tree walk. | 681 // Use FrontToBack to allow for testing occlusion and performing culling dur ing the tree walk. |
672 typedef LayerIterator<Layer, LayerList, RenderSurface, LayerIteratorActions: :FrontToBack> LayerIteratorType; | 682 typedef LayerIterator<Layer, LayerList, RenderSurface, LayerIteratorActions: :FrontToBack> LayerIteratorType; |
673 | 683 |
674 bool needMoreUpdates = false; | 684 bool needMoreUpdates = false; |
675 bool recordMetricsForFrame = Settings::traceOverdraw() && base::debug::Trace Log::GetInstance() && base::debug::TraceLog::GetInstance()->IsEnabled(); | 685 bool recordMetricsForFrame = m_settings.showOverdrawInTracing && base::debug ::TraceLog::GetInstance() && base::debug::TraceLog::GetInstance()->IsEnabled(); |
676 OcclusionTracker occlusionTracker(m_rootLayer->renderSurface()->contentRect( ), recordMetricsForFrame); | 686 OcclusionTracker occlusionTracker(m_rootLayer->renderSurface()->contentRect( ), recordMetricsForFrame); |
677 occlusionTracker.setMinimumTrackingSize(m_settings.minimumOcclusionTrackingS ize); | 687 occlusionTracker.setMinimumTrackingSize(m_settings.minimumOcclusionTrackingS ize); |
678 | 688 |
679 prioritizeTextures(renderSurfaceLayerList, occlusionTracker.overdrawMetrics( )); | 689 prioritizeTextures(renderSurfaceLayerList, occlusionTracker.overdrawMetrics( )); |
680 | 690 |
681 LayerIteratorType end = LayerIteratorType::end(&renderSurfaceLayerList); | 691 LayerIteratorType end = LayerIteratorType::end(&renderSurfaceLayerList); |
682 for (LayerIteratorType it = LayerIteratorType::begin(&renderSurfaceLayerList ); it != end; ++it) { | 692 for (LayerIteratorType it = LayerIteratorType::begin(&renderSurfaceLayerList ); it != end; ++it) { |
683 occlusionTracker.enterLayer(it); | 693 occlusionTracker.enterLayer(it); |
684 | 694 |
685 if (it.representsTargetRenderSurface()) { | 695 if (it.representsTargetRenderSurface()) { |
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796 { | 806 { |
797 if (deviceScaleFactor == m_deviceScaleFactor) | 807 if (deviceScaleFactor == m_deviceScaleFactor) |
798 return; | 808 return; |
799 m_deviceScaleFactor = deviceScaleFactor; | 809 m_deviceScaleFactor = deviceScaleFactor; |
800 | 810 |
801 setNeedsCommit(); | 811 setNeedsCommit(); |
802 } | 812 } |
803 | 813 |
804 void LayerTreeHost::animateLayers(base::TimeTicks time) | 814 void LayerTreeHost::animateLayers(base::TimeTicks time) |
805 { | 815 { |
806 if (!Settings::acceleratedAnimationEnabled() || !m_needsAnimateLayers) | 816 if (!m_settings.acceleratedAnimationEnabled || !m_needsAnimateLayers) |
807 return; | 817 return; |
808 | 818 |
809 TRACE_EVENT0("cc", "LayerTreeHostImpl::animateLayers"); | 819 TRACE_EVENT0("cc", "LayerTreeHostImpl::animateLayers"); |
810 m_needsAnimateLayers = animateLayersRecursive(m_rootLayer.get(), time); | 820 m_needsAnimateLayers = animateLayersRecursive(m_rootLayer.get(), time); |
811 } | 821 } |
812 | 822 |
813 bool LayerTreeHost::animateLayersRecursive(Layer* current, base::TimeTicks time) | 823 bool LayerTreeHost::animateLayersRecursive(Layer* current, base::TimeTicks time) |
814 { | 824 { |
815 if (!current) | 825 if (!current) |
816 return false; | 826 return false; |
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844 else | 854 else |
845 layer->notifyAnimationFinished(wallClockTime.ToDoubleT()); | 855 layer->notifyAnimationFinished(wallClockTime.ToDoubleT()); |
846 } | 856 } |
847 } | 857 } |
848 | 858 |
849 for (size_t childIndex = 0; childIndex < layer->children().size(); ++childIn dex) | 859 for (size_t childIndex = 0; childIndex < layer->children().size(); ++childIn dex) |
850 setAnimationEventsRecursive(events, layer->children()[childIndex].get(), wallClockTime); | 860 setAnimationEventsRecursive(events, layer->children()[childIndex].get(), wallClockTime); |
851 } | 861 } |
852 | 862 |
853 } // namespace cc | 863 } // namespace cc |
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