gecko-dev/gfx/layers/RenderTrace.h

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/* -*- 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/. */
// 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 "nsRect.h"
#include "mozilla/gfx/Matrix.h"
namespace mozilla {
namespace layers {
class Layer;
void RenderTraceLayers(Layer *aLayer, const char *aColor,
const gfx::Matrix4x4 aRootTransform = gfx::Matrix4x4(),
bool aReset = true);
void RenderTraceInvalidateStart(Layer *aLayer, const char *aColor,
const gfx::IntRect 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 gfx::Matrix4x4 aRootTransform,
bool aReset) {}
inline void RenderTraceInvalidateStart(Layer *aLayer, const char *aColor,
const gfx::IntRect 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
} // namespace layers
} // namespace mozilla
#endif // GFX_RENDERTRACE_H