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   ~TiledLayerImpl() override;
  24
  25   scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override;
  26   void PushPropertiesTo(LayerImpl* layer) override;
  27
  28   bool WillDraw(DrawMode draw_mode,
  29                 ResourceProvider* resource_provider) override;
  30   void AppendQuads(RenderPass* render_pass,
  31                    const Occlusion& occlusion_in_content_space,
  32                    AppendQuadsData* append_quads_data) override;
  33
  34   void GetContentsResourceId(ResourceProvider::ResourceId* resource_id,
  35                              gfx::Size* resource_size) 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   SimpleEnclosedRegion VisibleContentOpaqueRegion() const override;
  46   void ReleaseResources() override;
  47
  48   const LayerTilingData* TilingForTesting() const { return tiler_.get(); }
  49
  50   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   void GetDebugBorderProperties(SkColor* color, float* width) const override;
  59   void AsValueInto(base::debug::TracedValue* dict) const override;
  60
  61  private:
  62   const char* LayerTypeAsString() const override;
  63
  64   DrawableTile* TileAt(int i, int j) const;
  65   DrawableTile* CreateTile(int i, int j);
  66
  67   bool skips_draw_;
  68
  69   scoped_ptr<LayerTilingData> tiler_;
  70
  71   DISALLOW_COPY_AND_ASSIGN(TiledLayerImpl);
  72 };
  73
  74 }  // namespace cc
  75
  76 #endif  // CC_LAYERS_TILED_LAYER_IMPL_H_