1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/layers/ipc/ShadowLayerUtilsX11.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,81 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
1.5 + * vim: sw=2 ts=8 et :
1.6 + */
1.7 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.8 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.9 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.10 +
1.11 +#ifndef mozilla_layers_ShadowLayerUtilsX11_h
1.12 +#define mozilla_layers_ShadowLayerUtilsX11_h
1.13 +
1.14 +#include "ipc/IPCMessageUtils.h"
1.15 +#include "mozilla/GfxMessageUtils.h"
1.16 +#include "nsCOMPtr.h" // for already_AddRefed
1.17 +
1.18 +#define MOZ_HAVE_SURFACEDESCRIPTORX11
1.19 +#define MOZ_HAVE_PLATFORM_SPECIFIC_LAYER_BUFFERS
1.20 +
1.21 +typedef unsigned long XID;
1.22 +typedef XID Drawable;
1.23 +
1.24 +class gfxXlibSurface;
1.25 +
1.26 +namespace IPC {
1.27 +class Message;
1.28 +}
1.29 +
1.30 +namespace mozilla {
1.31 +namespace layers {
1.32 +
1.33 +struct SurfaceDescriptorX11 {
1.34 + SurfaceDescriptorX11()
1.35 + { }
1.36 +
1.37 + SurfaceDescriptorX11(gfxXlibSurface* aSurf);
1.38 +
1.39 + SurfaceDescriptorX11(Drawable aDrawable, XID aFormatID,
1.40 + const gfx::IntSize& aSize);
1.41 +
1.42 + // Default copy ctor and operator= are OK
1.43 +
1.44 + bool operator==(const SurfaceDescriptorX11& aOther) const {
1.45 + // Define == as two descriptors having the same XID for now,
1.46 + // ignoring size and render format. If the two indeed refer to
1.47 + // the same valid XID, then size/format are "actually" the same
1.48 + // anyway, regardless of the values of the fields in
1.49 + // SurfaceDescriptorX11.
1.50 + return mId == aOther.mId;
1.51 + }
1.52 +
1.53 + already_AddRefed<gfxXlibSurface> OpenForeign() const;
1.54 +
1.55 + Drawable mId;
1.56 + XID mFormat; // either a PictFormat or VisualID
1.57 + gfx::IntSize mSize;
1.58 +};
1.59 +
1.60 +} // namespace layers
1.61 +} // namespace mozilla
1.62 +
1.63 +namespace IPC {
1.64 +
1.65 +template <>
1.66 +struct ParamTraits<mozilla::layers::SurfaceDescriptorX11> {
1.67 + typedef mozilla::layers::SurfaceDescriptorX11 paramType;
1.68 +
1.69 + static void Write(Message* aMsg, const paramType& aParam) {
1.70 + WriteParam(aMsg, aParam.mId);
1.71 + WriteParam(aMsg, aParam.mSize);
1.72 + WriteParam(aMsg, aParam.mFormat);
1.73 + }
1.74 +
1.75 + static bool Read(const Message* aMsg, void** aIter, paramType* aResult) {
1.76 + return (ReadParam(aMsg, aIter, &aResult->mId) &&
1.77 + ReadParam(aMsg, aIter, &aResult->mSize) &&
1.78 + ReadParam(aMsg, aIter, &aResult->mFormat));
1.79 + }
1.80 +};
1.81 +
1.82 +} // namespace IPC
1.83 +
1.84 +#endif // mozilla_layers_ShadowLayerUtilsX11_h
