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// Copyright 2013 The Flutter 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 FLUTTER_DISPLAY_LIST_BENCHMARKING_DL_COMPLEXITY_METAL_H_
#define FLUTTER_DISPLAY_LIST_BENCHMARKING_DL_COMPLEXITY_METAL_H_
#include "flutter/display_list/benchmarking/dl_complexity_helper.h"
namespace flutter {
class DisplayListMetalComplexityCalculator
: public DisplayListComplexityCalculator {
public:
static DisplayListMetalComplexityCalculator* GetInstance();
unsigned int Compute(const DisplayList* display_list) override {
MetalHelper helper(ceiling_);
display_list->Dispatch(helper);
return helper.ComplexityScore();
}
bool ShouldBeCached(unsigned int complexity_score) override {
// Set cache threshold at 1ms
return complexity_score > 200000u;
}
void SetComplexityCeiling(unsigned int ceiling) override {
ceiling_ = ceiling;
}
private:
class MetalHelper : public ComplexityCalculatorHelper {
public:
explicit MetalHelper(unsigned int ceiling)
: ComplexityCalculatorHelper(ceiling) {}
void saveLayer(const SkRect& bounds,
const SaveLayerOptions options,
const DlImageFilter* backdrop) override;
void drawLine(const SkPoint& p0, const SkPoint& p1) override;
void drawRect(const SkRect& rect) override;
void drawOval(const SkRect& bounds) override;
void drawCircle(const SkPoint& center, SkScalar radius) override;
void drawRRect(const SkRRect& rrect) override;
void drawDRRect(const SkRRect& outer, const SkRRect& inner) override;
void drawPath(const SkPath& path) override;
void drawArc(const SkRect& oval_bounds,
SkScalar start_degrees,
SkScalar sweep_degrees,
bool use_center) override;
void drawPoints(DlCanvas::PointMode mode,
uint32_t count,
const SkPoint points[]) override;
void drawVertices(const DlVertices* vertices, DlBlendMode mode) override;
void drawImage(const sk_sp<DlImage> image,
const SkPoint point,
DlImageSampling sampling,
bool render_with_attributes) override;
void drawImageNine(const sk_sp<DlImage> image,
const SkIRect& center,
const SkRect& dst,
DlFilterMode filter,
bool render_with_attributes) override;
void drawDisplayList(const sk_sp<DisplayList> display_list,
SkScalar opacity) override;
void drawTextBlob(const sk_sp<SkTextBlob> blob,
SkScalar x,
SkScalar y) override;
void drawTextFrame(const std::shared_ptr<impeller::TextFrame>& text_frame,
SkScalar x,
SkScalar y) override;
void drawShadow(const SkPath& path,
const DlColor color,
const SkScalar elevation,
bool transparent_occluder,
SkScalar dpr) override;
protected:
void ImageRect(const SkISize& size,
bool texture_backed,
bool render_with_attributes,
bool enforce_src_edges) override;
unsigned int BatchedComplexity() override;
private:
unsigned int save_layer_count_ = 0;
unsigned int draw_text_blob_count_ = 0;
};
DisplayListMetalComplexityCalculator()
: ceiling_(std::numeric_limits<unsigned int>::max()) {}
static DisplayListMetalComplexityCalculator* instance_;
unsigned int ceiling_;
};
} // namespace flutter
#endif // FLUTTER_DISPLAY_LIST_BENCHMARKING_DL_COMPLEXITY_METAL_H_