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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 #ifndef CC_HEADS_UP_DISPLAY_LAYER_IMPL_H_ | |
| 6 #define CC_HEADS_UP_DISPLAY_LAYER_IMPL_H_ | |
| 7 | |
| 8 #include "base/memory/scoped_ptr.h" | |
| 9 #include "base/time.h" | |
| 10 #include "cc/base/cc_export.h" | |
| 11 #include "cc/layer_impl.h" | |
| 12 #include "cc/resources/memory_history.h" | |
| 13 #include "cc/resources/scoped_resource.h" | |
| 14 | |
| 15 class SkCanvas; | |
| 16 class SkPaint; | |
| 17 class SkTypeface; | |
| 18 struct SkRect; | |
| 19 | |
| 20 namespace cc { | |
| 21 | |
| 22 class DebugRectHistory; | |
| 23 class FrameRateCounter; | |
| 24 class PaintTimeCounter; | |
| 25 | |
| 26 class CC_EXPORT HeadsUpDisplayLayerImpl : public LayerImpl { | |
| 27 public: | |
| 28 static scoped_ptr<HeadsUpDisplayLayerImpl> Create(LayerTreeImpl* tree_impl, | |
| 29 int id) { | |
| 30 return make_scoped_ptr(new HeadsUpDisplayLayerImpl(tree_impl, id)); | |
| 31 } | |
| 32 virtual ~HeadsUpDisplayLayerImpl(); | |
| 33 | |
| 34 virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) | |
| 35 OVERRIDE; | |
| 36 | |
| 37 virtual void WillDraw(ResourceProvider* resource_provider) OVERRIDE; | |
| 38 virtual void AppendQuads(QuadSink* quad_sink, | |
| 39 AppendQuadsData* append_quads_data) OVERRIDE; | |
| 40 void UpdateHudTexture(ResourceProvider* resource_provider); | |
| 41 virtual void DidDraw(ResourceProvider* resource_provider) OVERRIDE; | |
| 42 | |
| 43 virtual void DidLoseOutputSurface() OVERRIDE; | |
| 44 | |
| 45 virtual bool LayerIsAlwaysDamaged() const OVERRIDE; | |
| 46 | |
| 47 private: | |
| 48 class Graph { | |
| 49 public: | |
| 50 Graph(double indicator_value, double start_upper_bound); | |
| 51 | |
| 52 // Eases the upper bound, which limits what is currently visible in the | |
| 53 // graph, so that the graph always scales to either it's max or | |
| 54 // default_upper_bound. | |
| 55 double UpdateUpperBound(); | |
| 56 | |
| 57 double value; | |
| 58 double min; | |
| 59 double max; | |
| 60 | |
| 61 double current_upper_bound; | |
| 62 const double default_upper_bound; | |
| 63 const double indicator; | |
| 64 }; | |
| 65 | |
| 66 HeadsUpDisplayLayerImpl(LayerTreeImpl* tree_impl, int id); | |
| 67 | |
| 68 virtual const char* LayerTypeAsString() const OVERRIDE; | |
| 69 | |
| 70 void UpdateHudContents(); | |
| 71 void DrawHudContents(SkCanvas* canvas) const; | |
| 72 | |
| 73 void DrawText(SkCanvas* canvas, | |
| 74 SkPaint* paint, | |
| 75 const std::string& text, | |
| 76 SkPaint::Align align, | |
| 77 int size, | |
| 78 int x, | |
| 79 int y) const; | |
| 80 void DrawText(SkCanvas* canvas, | |
| 81 SkPaint* paint, | |
| 82 const std::string& text, | |
| 83 SkPaint::Align align, | |
| 84 int size, | |
| 85 const SkPoint& pos) const; | |
| 86 void DrawGraphBackground(SkCanvas* canvas, | |
| 87 SkPaint* paint, | |
| 88 const SkRect& bounds) const; | |
| 89 void DrawGraphLines(SkCanvas* canvas, | |
| 90 SkPaint* paint, | |
| 91 const SkRect& bounds, | |
| 92 const Graph& graph) const; | |
| 93 | |
| 94 void DrawPlatformLayerTree(SkCanvas* canvas) const; | |
| 95 SkRect DrawFPSDisplay(SkCanvas* canvas, | |
| 96 const FrameRateCounter* fps_counter, | |
| 97 int right, | |
| 98 int top) const; | |
| 99 SkRect DrawMemoryDisplay(SkCanvas* canvas, | |
| 100 int top, | |
| 101 int right, | |
| 102 int width) const; | |
| 103 SkRect DrawPaintTimeDisplay(SkCanvas* canvas, | |
| 104 const PaintTimeCounter* paint_time_counter, | |
| 105 int top, | |
| 106 int right) const; | |
| 107 void DrawDebugRects(SkCanvas* canvas, | |
| 108 DebugRectHistory* debug_rect_history) const; | |
| 109 | |
| 110 scoped_ptr<ScopedResource> hud_texture_; | |
| 111 scoped_ptr<SkCanvas> hud_canvas_; | |
| 112 | |
| 113 skia::RefPtr<SkTypeface> typeface_; | |
| 114 | |
| 115 Graph fps_graph_; | |
| 116 Graph paint_time_graph_; | |
| 117 MemoryHistory::Entry memory_entry_; | |
| 118 | |
| 119 base::TimeTicks time_of_last_graph_update_; | |
| 120 | |
| 121 DISALLOW_COPY_AND_ASSIGN(HeadsUpDisplayLayerImpl); | |
| 122 }; | |
| 123 | |
| 124 } // namespace cc | |
| 125 | |
| 126 #endif // CC_HEADS_UP_DISPLAY_LAYER_IMPL_H_ | |
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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