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-rw-r--r--gfx/layers/ipc/ShadowLayerUtilsX11.h85
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diff --git a/gfx/layers/ipc/ShadowLayerUtilsX11.h b/gfx/layers/ipc/ShadowLayerUtilsX11.h
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+++ b/gfx/layers/ipc/ShadowLayerUtilsX11.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: sw=2 ts=8 et :
+ */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_layers_ShadowLayerUtilsX11_h
+#define mozilla_layers_ShadowLayerUtilsX11_h
+
+#include "ipc/IPCMessageUtils.h"
+#include "mozilla/GfxMessageUtils.h"
+#include "nsCOMPtr.h" // for already_AddRefed
+
+#define MOZ_HAVE_SURFACEDESCRIPTORX11
+#define MOZ_HAVE_PLATFORM_SPECIFIC_LAYER_BUFFERS
+
+typedef unsigned long XID;
+typedef XID Drawable;
+
+class gfxXlibSurface;
+
+namespace IPC {
+class Message;
+}
+
+namespace mozilla {
+namespace layers {
+
+struct SurfaceDescriptorX11 {
+ SurfaceDescriptorX11()
+ { }
+
+ explicit SurfaceDescriptorX11(gfxXlibSurface* aSurf, bool aForwardGLX = false);
+
+ SurfaceDescriptorX11(Drawable aDrawable, XID aFormatID,
+ const gfx::IntSize& aSize);
+
+ // Default copy ctor and operator= are OK
+
+ bool operator==(const SurfaceDescriptorX11& aOther) const {
+ // Define == as two descriptors having the same XID for now,
+ // ignoring size and render format. If the two indeed refer to
+ // the same valid XID, then size/format are "actually" the same
+ // anyway, regardless of the values of the fields in
+ // SurfaceDescriptorX11.
+ return mId == aOther.mId;
+ }
+
+ already_AddRefed<gfxXlibSurface> OpenForeign() const;
+
+ MOZ_INIT_OUTSIDE_CTOR Drawable mId;
+ MOZ_INIT_OUTSIDE_CTOR XID mFormat; // either a PictFormat or VisualID
+ MOZ_INIT_OUTSIDE_CTOR gfx::IntSize mSize;
+ MOZ_INIT_OUTSIDE_CTOR Drawable mGLXPixmap; // used to prevent multiple bindings to the same GLXPixmap in-process
+};
+
+} // namespace layers
+} // namespace mozilla
+
+namespace IPC {
+
+template <>
+struct ParamTraits<mozilla::layers::SurfaceDescriptorX11> {
+ typedef mozilla::layers::SurfaceDescriptorX11 paramType;
+
+ static void Write(Message* aMsg, const paramType& aParam) {
+ WriteParam(aMsg, aParam.mId);
+ WriteParam(aMsg, aParam.mSize);
+ WriteParam(aMsg, aParam.mFormat);
+ WriteParam(aMsg, aParam.mGLXPixmap);
+ }
+
+ static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult) {
+ return (ReadParam(aMsg, aIter, &aResult->mId) &&
+ ReadParam(aMsg, aIter, &aResult->mSize) &&
+ ReadParam(aMsg, aIter, &aResult->mFormat) &&
+ ReadParam(aMsg, aIter, &aResult->mGLXPixmap)
+ );
+ }
+};
+
+} // namespace IPC
+
+#endif // mozilla_layers_ShadowLayerUtilsX11_h