The Tor Browser: content/canvas/src/WebGLUniformLocation.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: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

     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 #ifndef WEBGLUNIFORMLOCATION_H_

     7 #define WEBGLUNIFORMLOCATION_H_

     9 #include "WebGLObjectModel.h"

    10 #include "WebGLUniformInfo.h"

    12 namespace mozilla {

    14 class WebGLProgram;

    16 class WebGLUniformLocation MOZ_FINAL

    17     : public WebGLContextBoundObject

    18 {

    19 public:

    20     WebGLUniformLocation(WebGLContext *context, WebGLProgram *program, GLint location, const WebGLUniformInfo& info);

    22     ~WebGLUniformLocation() {

    23     }

    25     // needed for certain helper functions like ValidateObject.

    26     // WebGLUniformLocation's can't be 'Deleted' in the WebGL sense.

    27     bool IsDeleted() const { return false; }

    29     const WebGLUniformInfo &Info() const { return mInfo; }

    31     WebGLProgram *Program() const { return mProgram; }

    32     GLint Location() const { return mLocation; }

    33     uint32_t ProgramGeneration() const { return mProgramGeneration; }

    34     int ElementSize() const { return mElementSize; }

    36     JSObject* WrapObject(JSContext *cx);

    38     NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(WebGLUniformLocation)

    39     NS_DECL_CYCLE_COLLECTION_NATIVE_CLASS(WebGLUniformLocation)

    41 protected:

    42     // nsRefPtr, not WebGLRefPtr, so that we don't prevent the program from being explicitly deleted.

    43     // we just want to avoid having a dangling pointer.

    44     nsRefPtr<WebGLProgram> mProgram;

    46     uint32_t mProgramGeneration;

    47     GLint mLocation;

    48     WebGLUniformInfo mInfo;

    49     int mElementSize;

    50     friend class WebGLProgram;

    51 };

    53 } // namespace mozilla

    55 #endif

The Tor Browser / file revision

content/canvas/src/WebGLUniformLocation.h@97036ab72558

content/canvas/src/WebGLUniformLocation.h