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| 1 // Copyright 2010 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/content_layer.h" | |
| 6 | |
| 7 #include "base/auto_reset.h" | |
| 8 #include "base/metrics/histogram.h" | |
| 9 #include "base/time.h" | |
| 10 #include "cc/content_layer_client.h" | |
| 11 #include "cc/resources/bitmap_content_layer_updater.h" | |
| 12 #include "cc/resources/bitmap_skpicture_content_layer_updater.h" | |
| 13 #include "cc/resources/layer_painter.h" | |
| 14 #include "cc/trees/layer_tree_host.h" | |
| 15 | |
| 16 namespace cc { | |
| 17 | |
| 18 ContentLayerPainter::ContentLayerPainter(ContentLayerClient* client) | |
| 19 : client_(client) {} | |
| 20 | |
| 21 scoped_ptr<ContentLayerPainter> ContentLayerPainter::Create( | |
| 22 ContentLayerClient* client) { | |
| 23 return make_scoped_ptr(new ContentLayerPainter(client)); | |
| 24 } | |
| 25 | |
| 26 void ContentLayerPainter::Paint(SkCanvas* canvas, | |
| 27 gfx::Rect content_rect, | |
| 28 gfx::RectF* opaque) { | |
| 29 base::TimeTicks paint_start = base::TimeTicks::HighResNow(); | |
| 30 client_->PaintContents(canvas, content_rect, opaque); | |
| 31 base::TimeTicks paint_end = base::TimeTicks::HighResNow(); | |
| 32 double pixels_per_sec = (content_rect.width() * content_rect.height()) / | |
| 33 (paint_end - paint_start).InSecondsF(); | |
| 34 UMA_HISTOGRAM_CUSTOM_COUNTS("Renderer4.AccelContentPaintDurationMS", | |
| 35 (paint_end - paint_start).InMilliseconds(), | |
| 36 0, | |
| 37 120, | |
| 38 30); | |
| 39 UMA_HISTOGRAM_CUSTOM_COUNTS("Renderer4.AccelContentPaintMegapixPerSecond", | |
| 40 pixels_per_sec / 1000000, | |
| 41 10, | |
| 42 210, | |
| 43 30); | |
| 44 } | |
| 45 | |
| 46 scoped_refptr<ContentLayer> ContentLayer::Create(ContentLayerClient* client) { | |
| 47 return make_scoped_refptr(new ContentLayer(client)); | |
| 48 } | |
| 49 | |
| 50 ContentLayer::ContentLayer(ContentLayerClient* client) | |
| 51 : TiledLayer(), | |
| 52 client_(client) {} | |
| 53 | |
| 54 ContentLayer::~ContentLayer() {} | |
| 55 | |
| 56 bool ContentLayer::DrawsContent() const { | |
| 57 return TiledLayer::DrawsContent() && client_; | |
| 58 } | |
| 59 | |
| 60 void ContentLayer::SetTexturePriorities( | |
| 61 const PriorityCalculator& priority_calc) { | |
| 62 // Update the tile data before creating all the layer's tiles. | |
| 63 UpdateTileSizeAndTilingOption(); | |
| 64 | |
| 65 TiledLayer::SetTexturePriorities(priority_calc); | |
| 66 } | |
| 67 | |
| 68 void ContentLayer::Update(ResourceUpdateQueue* queue, | |
| 69 const OcclusionTracker* occlusion, | |
| 70 RenderingStats* stats) { | |
| 71 { | |
| 72 base::AutoReset<bool> ignore_set_needs_commit(&ignore_set_needs_commit_, | |
| 73 true); | |
| 74 | |
| 75 CreateUpdaterIfNeeded(); | |
| 76 } | |
| 77 | |
| 78 TiledLayer::Update(queue, occlusion, stats); | |
| 79 needs_display_ = false; | |
| 80 } | |
| 81 | |
| 82 bool ContentLayer::NeedMoreUpdates() { | |
| 83 return NeedsIdlePaint(); | |
| 84 } | |
| 85 | |
| 86 LayerUpdater* ContentLayer::Updater() const { | |
| 87 return updater_.get(); | |
| 88 } | |
| 89 | |
| 90 void ContentLayer::CreateUpdaterIfNeeded() { | |
| 91 if (updater_) | |
| 92 return; | |
| 93 scoped_ptr<LayerPainter> painter = | |
| 94 ContentLayerPainter::Create(client_).PassAs<LayerPainter>(); | |
| 95 if (layer_tree_host()->settings().acceleratePainting) | |
| 96 updater_ = SkPictureContentLayerUpdater::Create(painter.Pass()); | |
| 97 else if (layer_tree_host()->settings().perTilePaintingEnabled) | |
| 98 updater_ = BitmapSkPictureContentLayerUpdater::Create(painter.Pass()); | |
| 99 else | |
| 100 updater_ = BitmapContentLayerUpdater::Create(painter.Pass()); | |
| 101 updater_->SetOpaque(contents_opaque()); | |
| 102 | |
| 103 unsigned texture_format = | |
| 104 layer_tree_host()->GetRendererCapabilities().best_texture_format; | |
| 105 SetTextureFormat(texture_format); | |
| 106 } | |
| 107 | |
| 108 void ContentLayer::SetContentsOpaque(bool opaque) { | |
| 109 Layer::SetContentsOpaque(opaque); | |
| 110 if (updater_) | |
| 111 updater_->SetOpaque(opaque); | |
| 112 } | |
| 113 | |
| 114 } // 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