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// Copyright 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CC_LAYERS_TILED_LAYER_IMPL_H_
#define CC_LAYERS_TILED_LAYER_IMPL_H_
#include <string>
#include "cc/base/cc_export.h"
#include "cc/layers/layer_impl.h"
namespace cc {
class LayerTilingData;
class DrawableTile;
class CC_EXPORT TiledLayerImpl : public LayerImpl {
public:
static scoped_ptr<TiledLayerImpl> Create(LayerTreeImpl* tree_impl, int id) {
return make_scoped_ptr(new TiledLayerImpl(tree_impl, id));
}
virtual ~TiledLayerImpl();
virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl)
OVERRIDE;
virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE;
virtual bool WillDraw(DrawMode draw_mode,
ResourceProvider* resource_provider) OVERRIDE;
virtual void AppendQuads(RenderPass* render_pass,
const OcclusionTracker<LayerImpl>& occlusion_tracker,
AppendQuadsData* append_quads_data) OVERRIDE;
virtual ResourceProvider::ResourceId ContentsResourceId() const OVERRIDE;
void set_skips_draw(bool skips_draw) { skips_draw_ = skips_draw; }
void SetTilingData(const LayerTilingData& tiler);
void PushTileProperties(int i,
int j,
ResourceProvider::ResourceId resource,
bool contents_swizzled);
void PushInvalidTile(int i, int j);
virtual SimpleEnclosedRegion VisibleContentOpaqueRegion() const OVERRIDE;
virtual void ReleaseResources() OVERRIDE;
const LayerTilingData* TilingForTesting() const { return tiler_.get(); }
virtual size_t GPUMemoryUsageInBytes() const OVERRIDE;
protected:
TiledLayerImpl(LayerTreeImpl* tree_impl, int id);
// Exposed for testing.
bool HasTileAt(int i, int j) const;
bool HasResourceIdForTileAt(int i, int j) const;
virtual void GetDebugBorderProperties(SkColor* color, float* width) const
OVERRIDE;
virtual void AsValueInto(base::debug::TracedValue* dict) const OVERRIDE;
private:
virtual const char* LayerTypeAsString() const OVERRIDE;
DrawableTile* TileAt(int i, int j) const;
DrawableTile* CreateTile(int i, int j);
bool skips_draw_;
scoped_ptr<LayerTilingData> tiler_;
DISALLOW_COPY_AND_ASSIGN(TiledLayerImpl);
};
} // namespace cc
#endif // CC_LAYERS_TILED_LAYER_IMPL_H_
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