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                           const gfx::Rect& opaque_rect,
  43                           bool contents_swizzled);
  44   void PushInvalidTile(int i, int j);
  45
  46   virtual SimpleEnclosedRegion VisibleContentOpaqueRegion() const OVERRIDE;
  47   virtual void ReleaseResources() OVERRIDE;
  48
  49   const LayerTilingData* TilingForTesting() const { return tiler_.get(); }
  50
  51   virtual size_t GPUMemoryUsageInBytes() const OVERRIDE;
  52
  53  protected:
  54   TiledLayerImpl(LayerTreeImpl* tree_impl, int id);
  55   // Exposed for testing.
  56   bool HasTileAt(int i, int j) const;
  57   bool HasResourceIdForTileAt(int i, int j) const;
  58
  59   virtual void GetDebugBorderProperties(SkColor* color, float* width) const
  60       OVERRIDE;
  61   virtual void AsValueInto(base::debug::TracedValue* dict) const OVERRIDE;
  62
  63  private:
  64   virtual const char* LayerTypeAsString() const OVERRIDE;
  65
  66   DrawableTile* TileAt(int i, int j) const;
  67   DrawableTile* CreateTile(int i, int j);
  68
  69   bool skips_draw_;
  70
  71   scoped_ptr<LayerTilingData> tiler_;
  72
  73   DISALLOW_COPY_AND_ASSIGN(TiledLayerImpl);
  74 };
  75
  76 }  // namespace cc
  77
  78 #endif  // CC_LAYERS_TILED_LAYER_IMPL_H_