// 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/display_list_benchmarks_gl.h"
#include "flutter/display_list/display_list_benchmarks.h"

#include "third_party/skia/include/core/SkCanvas.h"
#include "third_party/skia/include/core/SkSurface.h"

namespace flutter {
namespace testing {

void OpenGLCanvasProvider::InitializeSurface(const size_t width,
                                             const size_t height) {
  surface_size_ = SkISize::Make(width, height);

  gl_surface_ = std::make_unique<TestGLSurface>(surface_size_);
  gl_surface_->MakeCurrent();

  const auto image_info = SkImageInfo::MakeN32Premul(surface_size_);
  surface_ = SkSurface::MakeRenderTarget(
      gl_surface_->GetGrContext().get(), skgpu::Budgeted::kNo, image_info, 1,
      kTopLeft_GrSurfaceOrigin, nullptr, false);
  surface_->getCanvas()->clear(SK_ColorTRANSPARENT);
}

sk_sp<SkSurface> OpenGLCanvasProvider::GetSurface() {
  if (!gl_surface_->MakeCurrent()) {
    return nullptr;
  }
  return surface_;
}

sk_sp<SkSurface> OpenGLCanvasProvider::MakeOffscreenSurface(
    const size_t width,
    const size_t height) {
  surface_size_ = SkISize::Make(width, height);
  const auto image_info = SkImageInfo::MakeN32Premul(surface_size_);

  auto offscreen_surface = SkSurface::MakeRenderTarget(
      gl_surface_->GetGrContext().get(), skgpu::Budgeted::kNo, image_info, 1,
      kTopLeft_GrSurfaceOrigin, nullptr, false);

  offscreen_surface->getCanvas()->clear(SK_ColorTRANSPARENT);
  return offscreen_surface;
}

RUN_DISPLAYLIST_BENCHMARKS(OpenGL)

}  // namespace testing
}  // namespace flutter