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// Copyright 2014 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_PLAYBACK_DISPLAY_LIST_RASTER_SOURCE_H_
#define CC_PLAYBACK_DISPLAY_LIST_RASTER_SOURCE_H_
#include <vector>
#include "base/memory/scoped_ptr.h"
#include "cc/base/cc_export.h"
#include "cc/debug/rendering_stats_instrumentation.h"
#include "cc/playback/display_list_recording_source.h"
#include "cc/playback/raster_source.h"
#include "skia/ext/analysis_canvas.h"
#include "skia/ext/refptr.h"
#include "third_party/skia/include/core/SkPicture.h"
namespace cc {
class DisplayItemList;
class CC_EXPORT DisplayListRasterSource : public RasterSource {
public:
static scoped_refptr<DisplayListRasterSource>
CreateFromDisplayListRecordingSource(const DisplayListRecordingSource* other,
bool can_use_lcd_text);
// RasterSource overrides.
void PlaybackToCanvas(SkCanvas* canvas,
const gfx::Rect& canvas_bitmap_rect,
const gfx::Rect& canvas_playback_rect,
float contents_scale) const override;
void PlaybackToSharedCanvas(SkCanvas* canvas,
const gfx::Rect& canvas_rect,
float contents_scale) const override;
void PerformSolidColorAnalysis(
const gfx::Rect& content_rect,
float contents_scale,
RasterSource::SolidColorAnalysis* analysis) const override;
bool IsSolidColor() const override;
SkColor GetSolidColor() const override;
gfx::Size GetSize() const override;
void GatherPixelRefs(
const gfx::Rect& content_rect,
float contents_scale,
std::vector<skia::PositionPixelRef>* pixel_refs) const override;
bool CoversRect(const gfx::Rect& content_rect,
float contents_scale) const override;
bool HasRecordings() const override;
void SetShouldAttemptToUseDistanceFieldText() override;
bool ShouldAttemptToUseDistanceFieldText() const override;
void DidBeginTracing() override;
void AsValueInto(base::trace_event::TracedValue* array) const override;
skia::RefPtr<SkPicture> GetFlattenedPicture() override;
size_t GetPictureMemoryUsage() const override;
bool CanUseLCDText() const override;
scoped_refptr<RasterSource> CreateCloneWithoutLCDText() const override;
protected:
DisplayListRasterSource();
DisplayListRasterSource(const DisplayListRecordingSource* other,
bool can_use_lcd_text);
DisplayListRasterSource(const DisplayListRasterSource* other,
bool can_use_lcd_text);
~DisplayListRasterSource() override;
// These members are const as this raster source may be in use on another
// thread and so should not be touched after construction.
const scoped_refptr<DisplayItemList> display_list_;
const size_t painter_reported_memory_usage_;
const SkColor background_color_;
const bool requires_clear_;
const bool can_use_lcd_text_;
const bool is_solid_color_;
const SkColor solid_color_;
const gfx::Rect recorded_viewport_;
const gfx::Size size_;
const bool clear_canvas_with_debug_color_;
const int slow_down_raster_scale_factor_for_debug_;
// TODO(enne/vmiura): this has a read/write race between raster and compositor
// threads with multi-threaded Ganesh. Make this const or remove it.
bool should_attempt_to_use_distance_field_text_;
private:
// Called when analyzing a tile. We can use AnalysisCanvas as
// SkPicture::AbortCallback, which allows us to early out from analysis.
void RasterForAnalysis(skia::AnalysisCanvas* canvas,
const gfx::Rect& canvas_rect,
float contents_scale) const;
void RasterCommon(SkCanvas* canvas,
SkPicture::AbortCallback* callback,
const gfx::Rect& canvas_bitmap_rect,
const gfx::Rect& canvas_playback_rect,
float contents_scale) const;
DISALLOW_COPY_AND_ASSIGN(DisplayListRasterSource);
};
} // namespace cc
#endif // CC_PLAYBACK_DISPLAY_LIST_RASTER_SOURCE_H_
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