gfx/layers/ipc/ShadowLayerUtils.h@97036ab72558 (annotated)
gfx/layers/ipc/ShadowLayerUtils.h
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
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.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- |
| michael@0 | 2 | * vim: sw=2 ts=8 et : |
| michael@0 | 3 | */ |
| michael@0 | 4 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 5 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 6 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 7 | |
| michael@0 | 8 | #ifndef IPC_ShadowLayerUtils_h |
| michael@0 | 9 | #define IPC_ShadowLayerUtils_h |
| michael@0 | 10 | |
| michael@0 | 11 | #include "ipc/IPCMessageUtils.h" |
| michael@0 | 12 | #include "GLContextTypes.h" |
| michael@0 | 13 | #include "SurfaceTypes.h" |
| michael@0 | 14 | #include "mozilla/WidgetUtils.h" |
| michael@0 | 15 | |
| michael@0 | 16 | #if defined(MOZ_ENABLE_D3D10_LAYER) |
| michael@0 | 17 | # include "mozilla/layers/ShadowLayerUtilsD3D10.h" |
| michael@0 | 18 | #endif |
| michael@0 | 19 | |
| michael@0 | 20 | #if defined(XP_MACOSX) |
| michael@0 | 21 | #define MOZ_HAVE_PLATFORM_SPECIFIC_LAYER_BUFFERS |
| michael@0 | 22 | #endif |
| michael@0 | 23 | |
| michael@0 | 24 | #if defined(MOZ_X11) |
| michael@0 | 25 | # include "mozilla/layers/ShadowLayerUtilsX11.h" |
| michael@0 | 26 | #else |
| michael@0 | 27 | namespace mozilla { namespace layers { |
| michael@0 | 28 | struct SurfaceDescriptorX11 { |
| michael@0 | 29 | bool operator==(const SurfaceDescriptorX11&) const { return false; } |
| michael@0 | 30 | }; |
| michael@0 | 31 | } } |
| michael@0 | 32 | #endif |
| michael@0 | 33 | |
| michael@0 | 34 | #if defined(MOZ_WIDGET_GONK) |
| michael@0 | 35 | # include "mozilla/layers/ShadowLayerUtilsGralloc.h" |
| michael@0 | 36 | #else |
| michael@0 | 37 | namespace mozilla { namespace layers { |
| michael@0 | 38 | struct MagicGrallocBufferHandle { |
| michael@0 | 39 | bool operator==(const MagicGrallocBufferHandle&) const { return false; } |
| michael@0 | 40 | }; |
| michael@0 | 41 | } } |
| michael@0 | 42 | #endif |
| michael@0 | 43 | |
| michael@0 | 44 | namespace IPC { |
| michael@0 | 45 | |
| michael@0 | 46 | #if !defined(MOZ_HAVE_SURFACEDESCRIPTORX11) |
| michael@0 | 47 | template <> |
| michael@0 | 48 | struct ParamTraits<mozilla::layers::SurfaceDescriptorX11> { |
| michael@0 | 49 | typedef mozilla::layers::SurfaceDescriptorX11 paramType; |
| michael@0 | 50 | static void Write(Message*, const paramType&) {} |
| michael@0 | 51 | static bool Read(const Message*, void**, paramType*) { return false; } |
| michael@0 | 52 | }; |
| michael@0 | 53 | #endif // !defined(MOZ_HAVE_XSURFACEDESCRIPTORX11) |
| michael@0 | 54 | |
| michael@0 | 55 | template<> |
| michael@0 | 56 | struct ParamTraits<mozilla::gl::SharedTextureShareType> |
| michael@0 | 57 | { |
| michael@0 | 58 | typedef mozilla::gl::SharedTextureShareType paramType; |
| michael@0 | 59 | |
| michael@0 | 60 | static void Write(Message* msg, const paramType& param) |
| michael@0 | 61 | { |
| michael@0 | 62 | static_assert(sizeof(paramType) <= sizeof(int32_t), |
| michael@0 | 63 | "TextureShareType assumes to be int32_t"); |
| michael@0 | 64 | WriteParam(msg, int32_t(param)); |
| michael@0 | 65 | } |
| michael@0 | 66 | |
| michael@0 | 67 | static bool Read(const Message* msg, void** iter, paramType* result) |
| michael@0 | 68 | { |
| michael@0 | 69 | int32_t type; |
| michael@0 | 70 | if (!ReadParam(msg, iter, &type)) |
| michael@0 | 71 | return false; |
| michael@0 | 72 | |
| michael@0 | 73 | *result = paramType(type); |
| michael@0 | 74 | return true; |
| michael@0 | 75 | } |
| michael@0 | 76 | }; |
| michael@0 | 77 | |
| michael@0 | 78 | #if !defined(MOZ_HAVE_SURFACEDESCRIPTORGRALLOC) |
| michael@0 | 79 | template <> |
| michael@0 | 80 | struct ParamTraits<mozilla::layers::MagicGrallocBufferHandle> { |
| michael@0 | 81 | typedef mozilla::layers::MagicGrallocBufferHandle paramType; |
| michael@0 | 82 | static void Write(Message*, const paramType&) {} |
| michael@0 | 83 | static bool Read(const Message*, void**, paramType*) { return false; } |
| michael@0 | 84 | }; |
| michael@0 | 85 | #endif // !defined(MOZ_HAVE_XSURFACEDESCRIPTORGRALLOC) |
| michael@0 | 86 | |
| michael@0 | 87 | template <> |
| michael@0 | 88 | struct ParamTraits<mozilla::ScreenRotation> |
| michael@0 | 89 | : public ContiguousEnumSerializer< |
| michael@0 | 90 | mozilla::ScreenRotation, |
| michael@0 | 91 | mozilla::ROTATION_0, |
| michael@0 | 92 | mozilla::ROTATION_COUNT> |
| michael@0 | 93 | {}; |
| michael@0 | 94 | |
| michael@0 | 95 | } // namespace IPC |
| michael@0 | 96 | |
| michael@0 | 97 | #endif // IPC_ShadowLayerUtils_h |
