The Tor Browser: gfx/gl/SurfaceTypes.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++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40; -*- */

     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 SURFACE_TYPES_H_

     7 #define SURFACE_TYPES_H_

     9 #include "mozilla/TypedEnum.h"

    10 #include "mozilla/RefPtr.h"

    11 #include "mozilla/Attributes.h"

    12 #include <stdint.h>

    14 namespace mozilla {

    15 namespace layers {

    16 class ISurfaceAllocator;

    17 }

    19 namespace gfx {

    21 typedef uintptr_t SurfaceStreamHandle;

    23 struct SurfaceCaps MOZ_FINAL

    24 {

    25     bool any;

    26     bool color, alpha;

    27     bool bpp16;

    28     bool depth, stencil;

    29     bool antialias;

    30     bool preserve;

    32     // The surface allocator that we want to create this

    33     // for.  May be null.

    34     RefPtr<layers::ISurfaceAllocator> surfaceAllocator;

    36     SurfaceCaps();

    37     SurfaceCaps(const SurfaceCaps& other);

    38     ~SurfaceCaps();

    40     void Clear();

    42     SurfaceCaps& operator=(const SurfaceCaps& other);

    44     // We can't use just 'RGB' here, since it's an ancient Windows macro.

    45     static SurfaceCaps ForRGB() {

    46         SurfaceCaps caps;

    48         caps.color = true;

    50         return caps;

    51     }

    53     static SurfaceCaps ForRGBA() {

    54         SurfaceCaps caps;

    56         caps.color = true;

    57         caps.alpha = true;

    59         return caps;

    60     }

    62     static SurfaceCaps Any() {

    63         SurfaceCaps caps;

    65         caps.any = true;

    67         return caps;

    68     }

    69 };

    71 MOZ_BEGIN_ENUM_CLASS(SharedSurfaceType, uint8_t)

    72     Unknown = 0,

    74     Basic,

    75     GLTextureShare,

    76     EGLImageShare,

    77     EGLSurfaceANGLE,

    78     DXGLInterop,

    79     DXGLInterop2,

    80     Gralloc,

    81     IOSurface,

    83     Max

    84 MOZ_END_ENUM_CLASS(SharedSurfaceType)

    87 MOZ_BEGIN_ENUM_CLASS(SurfaceStreamType, uint8_t)

    88     SingleBuffer,

    89     TripleBuffer_Copy,

    90     TripleBuffer_Async,

    91     TripleBuffer,

    92     Max

    93 MOZ_END_ENUM_CLASS(SurfaceStreamType)

    96 MOZ_BEGIN_ENUM_CLASS(APITypeT, uint8_t)

    97     Generic = 0,

    99     OpenGL,

   101     Max

   102 MOZ_END_ENUM_CLASS(APITypeT)

   105 MOZ_BEGIN_ENUM_CLASS(AttachmentType, uint8_t)

   106     Screen = 0,

   108     GLTexture,

   109     GLRenderbuffer,

   111     Max

   112 MOZ_END_ENUM_CLASS(AttachmentType)

   114 } /* namespace gfx */

   115 } /* namespace mozilla */

   117 #endif /* SURFACE_TYPES_H_ */

The Tor Browser / file revision

gfx/gl/SurfaceTypes.h@97036ab72558

gfx/gl/SurfaceTypes.h