/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
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 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Mozilla Corporation code.
 *
 * The Initial Developer of the Original Code is Mozilla Foundation.
 * Portions created by the Initial Developer are Copyright (C) 2012
 * the Initial Developer. All Rights Reserved.
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 * Contributor(s):
 *   Benoit Girard <bgirard@mozilla.com>
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// This is a general tool that will let you visualize platform operation.
// Currently used for the layer system, the general syntax allows this
// tools to be adapted to trace other operations.
//
// For the front end see: https://github.com/staktrace/rendertrace

// Uncomment this line to enable RENDERTRACE
//#define MOZ_RENDERTRACE

#ifndef GFX_RENDERTRACE_H
#define GFX_RENDERTRACE_H

#include "gfx3DMatrix.h"
#include "nsRect.h"

namespace mozilla {
namespace layers {

class Layer;

void RenderTraceLayers(Layer *aLayer, const char *aColor, const gfx3DMatrix aRootTransform = gfx3DMatrix(), bool aReset = true);

void RenderTraceInvalidateStart(Layer *aLayer, const char *aColor, const nsIntRect aRect);
void RenderTraceInvalidateEnd(Layer *aLayer, const char *aColor);

void renderTraceEventStart(const char *aComment, const char *aColor);
void renderTraceEventEnd(const char *aComment, const char *aColor);
void renderTraceEventEnd(const char *aColor);

struct RenderTraceScope {
public:
  RenderTraceScope(const char *aComment, const char *aColor)
    : mComment(aComment)
    , mColor(aColor)
  {
    renderTraceEventStart(mComment, mColor);
  }
  ~RenderTraceScope() {
    renderTraceEventEnd(mComment, mColor);
  }
private:
  const char *mComment;
  const char *mColor;
};

#ifndef MOZ_RENDERTRACE
inline void RenderTraceLayers(Layer *aLayer, const char *aColor, const gfx3DMatrix aRootTransform, bool aReset)
{}

inline void RenderTraceInvalidateStart(Layer *aLayer, const char *aColor, const nsIntRect aRect)
{}

inline void RenderTraceInvalidateEnd(Layer *aLayer, const char *aColor)
{}

inline void renderTraceEventStart(const char *aComment, const char *aColor)
{}

inline void renderTraceEventEnd(const char *aComment, const char *aColor)
{}

inline void renderTraceEventEnd(const char *aColor)
{}

#endif // MOZ_RENDERTRACE

}
}

#endif //GFX_RENDERTRACE_H