src/cc/layers/tiled_layer_impl.h

   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 <string>
   9
  10 #include "cc/base/cc_export.h"
  11 #include "cc/layers/layer_impl.h"
  12
  13 namespace cc {
  14
  15 class LayerTilingData;
  16 class DrawableTile;
  17
  18 class CC_EXPORT TiledLayerImpl : public LayerImpl {
  19  public:
  20   static scoped_ptr<TiledLayerImpl> Create(LayerTreeImpl* tree_impl, int id) {
  21     return make_scoped_ptr(new TiledLayerImpl(tree_impl, id));
  22   }
  23   virtual ~TiledLayerImpl();
  24
  25   virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl)
  26       OVERRIDE;
  27   virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE;
  28
  29   virtual bool WillDraw(DrawMode draw_mode,
  30                         ResourceProvider* resource_provider) OVERRIDE;
  31   virtual void AppendQuads(RenderPass* render_pass,
  32                            const OcclusionTracker<LayerImpl>& occlusion_tracker,
  33                            AppendQuadsData* append_quads_data) OVERRIDE;
  34
  35   virtual ResourceProvider::ResourceId ContentsResourceId() const OVERRIDE;
  36
  37   void set_skips_draw(bool skips_draw) { skips_draw_ = skips_draw; }
  38   void SetTilingData(const LayerTilingData& tiler);
  39   void PushTileProperties(int i,
  40                           int j,
  41                           ResourceProvider::ResourceId resource,
  42                           bool contents_swizzled);
  43   void PushInvalidTile(int i, int j);
  44
  45   virtual SimpleEnclosedRegion VisibleContentOpaqueRegion() const OVERRIDE;
  46   virtual void ReleaseResources() OVERRIDE;
  47
  48   const LayerTilingData* TilingForTesting() const { return tiler_.get(); }
  49
  50   virtual size_t GPUMemoryUsageInBytes() const OVERRIDE;
  51
  52  protected:
  53   TiledLayerImpl(LayerTreeImpl* tree_impl, int id);
  54   // Exposed for testing.
  55   bool HasTileAt(int i, int j) const;
  56   bool HasResourceIdForTileAt(int i, int j) const;
  57
  58   virtual void GetDebugBorderProperties(SkColor* color, float* width) const
  59       OVERRIDE;
  60   virtual void AsValueInto(base::debug::TracedValue* dict) const OVERRIDE;
  61
  62  private:
  63   virtual const char* LayerTypeAsString() const OVERRIDE;
  64
  65   DrawableTile* TileAt(int i, int j) const;
  66   DrawableTile* CreateTile(int i, int j);
  67
  68   bool skips_draw_;
  69
  70   scoped_ptr<LayerTilingData> tiler_;
  71
  72   DISALLOW_COPY_AND_ASSIGN(TiledLayerImpl);
  73 };
  74
  75 }  // namespace cc
  76
  77 #endif  // CC_LAYERS_TILED_LAYER_IMPL_H_