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comparison: gfx/layers/ipc/ShadowLayerUtilsX11.h
gfx/layers/ipc/ShadowLayerUtilsX11.h
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- TOR_BUG_9701
- changeset 8
- 97036ab72558
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| -1:000000000000 | 0:65e9acae819f |
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| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- | |
| 2 * vim: sw=2 ts=8 et : | |
| 3 */ | |
| 4 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 5 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 6 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 7 | |
| 8 #ifndef mozilla_layers_ShadowLayerUtilsX11_h | |
| 9 #define mozilla_layers_ShadowLayerUtilsX11_h | |
| 10 | |
| 11 #include "ipc/IPCMessageUtils.h" | |
| 12 #include "mozilla/GfxMessageUtils.h" | |
| 13 #include "nsCOMPtr.h" // for already_AddRefed | |
| 14 | |
| 15 #define MOZ_HAVE_SURFACEDESCRIPTORX11 | |
| 16 #define MOZ_HAVE_PLATFORM_SPECIFIC_LAYER_BUFFERS | |
| 17 | |
| 18 typedef unsigned long XID; | |
| 19 typedef XID Drawable; | |
| 20 | |
| 21 class gfxXlibSurface; | |
| 22 | |
| 23 namespace IPC { | |
| 24 class Message; | |
| 25 } | |
| 26 | |
| 27 namespace mozilla { | |
| 28 namespace layers { | |
| 29 | |
| 30 struct SurfaceDescriptorX11 { | |
| 31 SurfaceDescriptorX11() | |
| 32 { } | |
| 33 | |
| 34 SurfaceDescriptorX11(gfxXlibSurface* aSurf); | |
| 35 | |
| 36 SurfaceDescriptorX11(Drawable aDrawable, XID aFormatID, | |
| 37 const gfx::IntSize& aSize); | |
| 38 | |
| 39 // Default copy ctor and operator= are OK | |
| 40 | |
| 41 bool operator==(const SurfaceDescriptorX11& aOther) const { | |
| 42 // Define == as two descriptors having the same XID for now, | |
| 43 // ignoring size and render format. If the two indeed refer to | |
| 44 // the same valid XID, then size/format are "actually" the same | |
| 45 // anyway, regardless of the values of the fields in | |
| 46 // SurfaceDescriptorX11. | |
| 47 return mId == aOther.mId; | |
| 48 } | |
| 49 | |
| 50 already_AddRefed<gfxXlibSurface> OpenForeign() const; | |
| 51 | |
| 52 Drawable mId; | |
| 53 XID mFormat; // either a PictFormat or VisualID | |
| 54 gfx::IntSize mSize; | |
| 55 }; | |
| 56 | |
| 57 } // namespace layers | |
| 58 } // namespace mozilla | |
| 59 | |
| 60 namespace IPC { | |
| 61 | |
| 62 template <> | |
| 63 struct ParamTraits<mozilla::layers::SurfaceDescriptorX11> { | |
| 64 typedef mozilla::layers::SurfaceDescriptorX11 paramType; | |
| 65 | |
| 66 static void Write(Message* aMsg, const paramType& aParam) { | |
| 67 WriteParam(aMsg, aParam.mId); | |
| 68 WriteParam(aMsg, aParam.mSize); | |
| 69 WriteParam(aMsg, aParam.mFormat); | |
| 70 } | |
| 71 | |
| 72 static bool Read(const Message* aMsg, void** aIter, paramType* aResult) { | |
| 73 return (ReadParam(aMsg, aIter, &aResult->mId) && | |
| 74 ReadParam(aMsg, aIter, &aResult->mSize) && | |
| 75 ReadParam(aMsg, aIter, &aResult->mFormat)); | |
| 76 } | |
| 77 }; | |
| 78 | |
| 79 } // namespace IPC | |
| 80 | |
| 81 #endif // mozilla_layers_ShadowLayerUtilsX11_h |
