dl_complexity.cc

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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.
 
#include "flutter/display_list/benchmarking/dl_complexity.h"
#include "flutter/display_list/benchmarking/dl_complexity_gl.h"
#include "flutter/display_list/benchmarking/dl_complexity_metal.h"
#include "flutter/display_list/display_list.h"
 
namespace flutter {
 
DisplayListNaiveComplexityCalculator*
    DisplayListNaiveComplexityCalculator::instance_ = nullptr;
 
DisplayListComplexityCalculator*
DisplayListNaiveComplexityCalculator::GetInstance() {
  if (instance_ == nullptr) {
    instance_ = new DisplayListNaiveComplexityCalculator();
  }
  return instance_;
}
 
DisplayListComplexityCalculator* DisplayListComplexityCalculator::GetForBackend(
    GrBackendApi backend) {
  switch (backend) {
    case GrBackendApi::kMetal:
      return DisplayListMetalComplexityCalculator::GetInstance();
    case GrBackendApi::kOpenGL:
      return DisplayListGLComplexityCalculator::GetInstance();
    default:
      return DisplayListNaiveComplexityCalculator::GetInstance();
  }
}
 
DisplayListComplexityCalculator*
DisplayListComplexityCalculator::GetForSoftware() {
  return DisplayListNaiveComplexityCalculator::GetInstance();
}
 
}  // namespace flutter