tiled_layer_impl.h revision 2a99a7e74a7f215066514fe81d2bfa6639d9eddd 
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
3// found in the LICENSE file.
4
5#ifndef CC_LAYERS_TILED_LAYER_IMPL_H_
6#define CC_LAYERS_TILED_LAYER_IMPL_H_
7
8#include "cc/base/cc_export.h"
9#include "cc/layers/layer_impl.h"
10
11namespace cc {
12
13class LayerTilingData;
14class DrawableTile;
15
16class CC_EXPORT TiledLayerImpl : public LayerImpl {
17 public:
18  static scoped_ptr<TiledLayerImpl> Create(LayerTreeImpl* tree_impl, int id) {
19    return make_scoped_ptr(new TiledLayerImpl(tree_impl, id));
20  }
21  virtual ~TiledLayerImpl();
22
23  virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl)
24      OVERRIDE;
25  virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE;
26
27  virtual void AppendQuads(QuadSink* quad_sink,
28                           AppendQuadsData* append_quads_data) OVERRIDE;
29
30  virtual ResourceProvider::ResourceId ContentsResourceId() const OVERRIDE;
31
32  virtual void DumpLayerProperties(std::string* str, int indent) const OVERRIDE;
33
34  void set_skips_draw(bool skips_draw) { skips_draw_ = skips_draw; }
35  void SetTilingData(const LayerTilingData& tiler);
36  void PushTileProperties(int i,
37                          int j,
38                          ResourceProvider::ResourceId resource,
39                          gfx::Rect opaque_rect,
40                          bool contents_swizzled);
41  void PushInvalidTile(int i, int j);
42
43  virtual Region VisibleContentOpaqueRegion() const OVERRIDE;
44  virtual void DidLoseOutputSurface() OVERRIDE;
45
46 protected:
47  TiledLayerImpl(LayerTreeImpl* tree_impl, int id);
48  // Exposed for testing.
49  bool HasTileAt(int i, int j) const;
50  bool HasResourceIdForTileAt(int i, int j) const;
51
52  virtual void GetDebugBorderProperties(SkColor* color, float* width) const
53      OVERRIDE;
54
55 private:
56  virtual const char* LayerTypeAsString() const OVERRIDE;
57
58  DrawableTile* TileAt(int i, int j) const;
59  DrawableTile* CreateTile(int i, int j);
60
61  bool skips_draw_;
62
63  scoped_ptr<LayerTilingData> tiler_;
64
65  DISALLOW_COPY_AND_ASSIGN(TiledLayerImpl);
66};
67
68}  // namespace cc
69
70#endif  // CC_LAYERS_TILED_LAYER_IMPL_H_
71