The Tor Browser: gfx/layers/RenderTrace.h@97036ab72558

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

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

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

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

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

     6 // This is a general tool that will let you visualize platform operation.

     7 // Currently used for the layer system, the general syntax allows this

     8 // tools to be adapted to trace other operations.

     9 //

    10 // For the front end see: https://github.com/staktrace/rendertrace

    12 // Uncomment this line to enable RENDERTRACE

    13 //#define MOZ_RENDERTRACE

    15 #ifndef GFX_RENDERTRACE_H

    16 #define GFX_RENDERTRACE_H

    18 #include "gfx3DMatrix.h"

    19 #include "nsRect.h"

    21 namespace mozilla {

    22 namespace layers {

    24 class Layer;

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

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

    29 void RenderTraceInvalidateEnd(Layer *aLayer, const char *aColor);

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

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

    33 void renderTraceEventEnd(const char *aColor);

    35 struct RenderTraceScope {

    36 public:

    37   RenderTraceScope(const char *aComment, const char *aColor)

    38     : mComment(aComment)

    39     , mColor(aColor)

    40   {

    41     renderTraceEventStart(mComment, mColor);

    42   }

    43   ~RenderTraceScope() {

    44     renderTraceEventEnd(mComment, mColor);

    45   }

    46 private:

    47   const char *mComment;

    48   const char *mColor;

    49 };

    51 #ifndef MOZ_RENDERTRACE

    52 inline void RenderTraceLayers(Layer *aLayer, const char *aColor, const gfx3DMatrix aRootTransform, bool aReset)

    53 {}

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

    56 {}

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

    59 {}

    61 inline void renderTraceEventStart(const char *aComment, const char *aColor)

    62 {}

    64 inline void renderTraceEventEnd(const char *aComment, const char *aColor)

    65 {}

    67 inline void renderTraceEventEnd(const char *aColor)

    68 {}

    70 #endif // MOZ_RENDERTRACE

    72 }

    73 }

    75 #endif //GFX_RENDERTRACE_H

The Tor Browser / file revision

gfx/layers/RenderTrace.h@97036ab72558

gfx/layers/RenderTrace.h