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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_FLOW_LAYERS_PERFORMANCE_OVERLAY_LAYER_H_
#define FLUTTER_FLOW_LAYERS_PERFORMANCE_OVERLAY_LAYER_H_
#include <string>
#include "flutter/flow/instrumentation.h"
#include "flutter/flow/layers/layer.h"
#include "flutter/fml/macros.h"
class SkTextBlob;
namespace flutter {
const int kDisplayRasterizerStatistics = 1 << 0;
const int kVisualizeRasterizerStatistics = 1 << 1;
const int kDisplayEngineStatistics = 1 << 2;
const int kVisualizeEngineStatistics = 1 << 3;
class PerformanceOverlayLayer : public Layer {
public:
static sk_sp<SkTextBlob> MakeStatisticsText(const Stopwatch& stopwatch,
const std::string& label_prefix,
const std::string& font_path);
bool IsReplacing(DiffContext* context, const Layer* layer) const override {
return layer->as_performance_overlay_layer() != nullptr;
}
void Diff(DiffContext* context, const Layer* old_layer) override;
const PerformanceOverlayLayer* as_performance_overlay_layer() const override {
return this;
}
explicit PerformanceOverlayLayer(uint64_t options,
const char* font_path = nullptr);
void Paint(PaintContext& context) const override;
private:
int options_;
std::string font_path_;
FML_DISALLOW_COPY_AND_ASSIGN(PerformanceOverlayLayer);
};
} // namespace flutter
#endif // FLUTTER_FLOW_LAYERS_PERFORMANCE_OVERLAY_LAYER_H_