/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_layers_PaintCounter_h_

#define mozilla_layers_PaintCounter_h_

#include <map>                          // for std::map

#include "mozilla/Maybe.h"

#include "mozilla/RefPtr.h"             // for already_AddRefed, RefCounted

#include "mozilla/TimeStamp.h"          // for TimeStamp, TimeDuration

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

namespace mozilla {

namespace layers {

class Compositor;

using namespace mozilla::gfx;

using namespace mozilla::gl;

// Keeps track and paints how long a full invalidation paint takes to rasterize

// and composite.

class PaintCounter {

public:

  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(PaintCounter)

  PaintCounter();

  void Draw(Compositor* aCompositor, TimeDuration aPaintTime, TimeDuration aCompositeTime);

  static IntRect GetPaintRect() { return PaintCounter::mRect; }

private:

  virtual ~PaintCounter();

  SurfaceFormat mFormat;

  std::unique_ptr<SkCanvas> mCanvas;

  IntSize mSize;

  int mStride;

  RefPtr<DataSourceSurface> mSurface;

  RefPtr<DataTextureSource> mTextureSource;

  RefPtr<TexturedEffect> mTexturedEffect;

  Maybe<DataSourceSurface::ScopedMap> mMap;

  static IntRect mRect;

};

} // namespace layers

} // namespace mozilla

#endif // mozilla_layers_opengl_PaintCounter_h_