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| 1 // Copyright 2012 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 "cc/picture_layer.h" | |
| 6 | |
| 7 #include "cc/debug/devtools_instrumentation.h" | |
| 8 #include "cc/picture_layer_impl.h" | |
| 9 #include "cc/trees/layer_tree_impl.h" | |
| 10 #include "ui/gfx/rect_conversions.h" | |
| 11 | |
| 12 namespace cc { | |
| 13 | |
| 14 scoped_refptr<PictureLayer> PictureLayer::Create(ContentLayerClient* client) { | |
| 15 return make_scoped_refptr(new PictureLayer(client)); | |
| 16 } | |
| 17 | |
| 18 PictureLayer::PictureLayer(ContentLayerClient* client) : | |
| 19 client_(client), | |
| 20 pile_(make_scoped_refptr(new PicturePile())), | |
| 21 instrumentation_object_tracker_(id()), | |
| 22 is_mask_(false) { | |
| 23 } | |
| 24 | |
| 25 PictureLayer::~PictureLayer() { | |
| 26 } | |
| 27 | |
| 28 bool PictureLayer::DrawsContent() const { | |
| 29 return Layer::DrawsContent() && client_; | |
| 30 } | |
| 31 | |
| 32 scoped_ptr<LayerImpl> PictureLayer::CreateLayerImpl(LayerTreeImpl* tree_impl) { | |
| 33 return PictureLayerImpl::Create(tree_impl, id()).PassAs<LayerImpl>(); | |
| 34 } | |
| 35 | |
| 36 void PictureLayer::PushPropertiesTo(LayerImpl* base_layer) { | |
| 37 Layer::PushPropertiesTo(base_layer); | |
| 38 | |
| 39 PictureLayerImpl* layer_impl = static_cast<PictureLayerImpl*>(base_layer); | |
| 40 layer_impl->SetIsMask(is_mask_); | |
| 41 layer_impl->CreateTilingSet(); | |
| 42 layer_impl->invalidation_.Clear(); | |
| 43 layer_impl->invalidation_.Swap(pile_invalidation_); | |
| 44 layer_impl->pile_ = PicturePileImpl::CreateFromOther(pile_); | |
| 45 | |
| 46 layer_impl->SyncFromActiveLayer(); | |
| 47 } | |
| 48 | |
| 49 void PictureLayer::SetLayerTreeHost(LayerTreeHost* host) { | |
| 50 Layer::SetLayerTreeHost(host); | |
| 51 if (host) { | |
| 52 pile_->SetMinContentsScale(host->settings().minimumContentsScale); | |
| 53 pile_->SetTileGridSize(host->settings().defaultTileSize); | |
| 54 pile_->set_num_raster_threads(host->settings().numRasterThreads); | |
| 55 pile_->set_slow_down_raster_scale_factor( | |
| 56 host->debug_state().slowDownRasterScaleFactor); | |
| 57 } | |
| 58 } | |
| 59 | |
| 60 void PictureLayer::SetNeedsDisplayRect(const gfx::RectF& layer_rect) { | |
| 61 gfx::Rect rect = gfx::ToEnclosedRect(layer_rect); | |
| 62 if (!rect.IsEmpty()) { | |
| 63 // Clamp invalidation to the layer bounds. | |
| 64 rect.Intersect(gfx::Rect(bounds())); | |
| 65 pending_invalidation_.Union(rect); | |
| 66 } | |
| 67 Layer::SetNeedsDisplayRect(layer_rect); | |
| 68 } | |
| 69 | |
| 70 void PictureLayer::Update(ResourceUpdateQueue*, | |
| 71 const OcclusionTracker*, | |
| 72 RenderingStats* stats) { | |
| 73 // Do not early-out of this function so that PicturePile::Update has a chance | |
| 74 // to record pictures due to changing visibility of this layer. | |
| 75 | |
| 76 pile_->Resize(bounds()); | |
| 77 | |
| 78 // Calling paint in WebKit can sometimes cause invalidations, so save | |
| 79 // off the invalidation prior to calling update. | |
| 80 pile_invalidation_.Swap(pending_invalidation_); | |
| 81 pending_invalidation_.Clear(); | |
| 82 | |
| 83 gfx::Rect visible_layer_rect = gfx::ToEnclosingRect( | |
| 84 gfx::ScaleRect(visible_content_rect(), 1.f / contents_scale_x())); | |
| 85 devtools_instrumentation::ScopedPaintLayer paint_layer(id()); | |
| 86 pile_->Update(client_, | |
| 87 background_color(), | |
| 88 pile_invalidation_, | |
| 89 visible_layer_rect, | |
| 90 stats); | |
| 91 } | |
| 92 | |
| 93 void PictureLayer::SetIsMask(bool is_mask) { | |
| 94 is_mask_ = is_mask; | |
| 95 } | |
| 96 | |
| 97 } // namespace cc | |
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Chromium Code Reviews
Issue 12603013:
Part 10 of cc/ directory shuffles: layers (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src