The Tor Browser: gfx/gl/GLContextWGL.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: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

     2 /* vim: set ts=8 sts=4 et sw=4 tw=80: */

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

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

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

     7 #ifndef GLCONTEXTWGL_H_

     8 #define GLCONTEXTWGL_H_

    10 #include "GLContext.h"

    11 #include "WGLLibrary.h"

    13 namespace mozilla {

    14 namespace gl {

    16 class GLContextWGL : public GLContext

    17 {

    18 public:

    19     MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(GLContextWGL)

    20     // From Window: (possibly for offscreen!)

    21     GLContextWGL(const SurfaceCaps& caps,

    22                  GLContext* sharedContext,

    23                  bool isOffscreen,

    24                  HDC aDC,

    25                  HGLRC aContext,

    26                  HWND aWindow = nullptr);

    28     // From PBuffer

    29     GLContextWGL(const SurfaceCaps& caps,

    30                  GLContext* sharedContext,

    31                  bool isOffscreen,

    32                  HANDLE aPbuffer,

    33                  HDC aDC,

    34                  HGLRC aContext,

    35                  int aPixelFormat);

    37     ~GLContextWGL();

    39     virtual GLContextType GetContextType() const MOZ_OVERRIDE { return GLContextType::WGL; }

    41     static GLContextWGL* Cast(GLContext* gl) {

    42         MOZ_ASSERT(gl->GetContextType() == GLContextType::WGL);

    43         return static_cast<GLContextWGL*>(gl);

    44     }

    46     bool Init() MOZ_OVERRIDE;

    48     virtual bool MakeCurrentImpl(bool aForce) MOZ_OVERRIDE;

    50     virtual bool IsCurrent() MOZ_OVERRIDE;

    52     void SetIsDoubleBuffered(bool aIsDB);

    54     virtual bool IsDoubleBuffered() const MOZ_OVERRIDE;

    56     virtual bool SupportsRobustness() const MOZ_OVERRIDE;

    58     virtual bool SwapBuffers() MOZ_OVERRIDE;

    60     virtual bool SetupLookupFunction() MOZ_OVERRIDE;

    62     HGLRC Context() { return mContext; }

    64 protected:

    65     friend class GLContextProviderWGL;

    67     HDC mDC;

    68     HGLRC mContext;

    69     HWND mWnd;

    70     HANDLE mPBuffer;

    71     int mPixelFormat;

    72     bool mIsDoubleBuffered;

    73 };

    75 }

    76 }

    78 #endif // GLCONTEXTWGL_H_

The Tor Browser / file revision

gfx/gl/GLContextWGL.h@97036ab72558

gfx/gl/GLContextWGL.h