1 : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2 : * vim: sw=2 ts=8 et :
3 : */
4 : /* ***** BEGIN LICENSE BLOCK *****
5 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
6 : *
7 : * The contents of this file are subject to the Mozilla Public License Version
8 : * 1.1 (the "License"); you may not use this file except in compliance with
9 : * the License. You may obtain a copy of the License at:
10 : * http://www.mozilla.org/MPL/
11 : *
12 : * Software distributed under the License is distributed on an "AS IS" basis,
13 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
14 : * for the specific language governing rights and limitations under the
15 : * License.
16 : *
17 : * The Original Code is Mozilla Code.
18 : *
19 : * The Initial Developer of the Original Code is
20 : * The Mozilla Foundation
21 : * Portions created by the Initial Developer are Copyright (C) 2010
22 : * the Initial Developer. All Rights Reserved.
23 : *
24 : * Contributor(s):
25 : * Chris Jones <jones.chris.g@gmail.com>
26 : *
27 : * Alternatively, the contents of this file may be used under the terms of
28 : * either the GNU General Public License Version 2 or later (the "GPL"), or
29 : * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
30 : * in which case the provisions of the GPL or the LGPL are applicable instead
31 : * of those above. If you wish to allow use of your version of this file only
32 : * under the terms of either the GPL or the LGPL, and not to allow others to
33 : * use your version of this file under the terms of the MPL, indicate your
34 : * decision by deleting the provisions above and replace them with the notice
35 : * and other provisions required by the GPL or the LGPL. If you do not delete
36 : * the provisions above, a recipient may use your version of this file under
37 : * the terms of any one of the MPL, the GPL or the LGPL.
38 : *
39 : * ***** END LICENSE BLOCK ***** */
40 :
41 : #ifndef mozilla_layers_ShadowLayerUtilsX11_h
42 : #define mozilla_layers_ShadowLayerUtilsX11_h
43 :
44 : #include <X11/extensions/Xrender.h>
45 : #include <X11/Xlib.h>
46 :
47 : #include "IPC/IPCMessageUtils.h"
48 :
49 : #define MOZ_HAVE_SURFACEDESCRIPTORX11
50 : #define MOZ_HAVE_PLATFORM_SPECIFIC_LAYER_BUFFERS
51 :
52 : class gfxXlibSurface;
53 :
54 : namespace mozilla {
55 : namespace layers {
56 :
57 0 : struct SurfaceDescriptorX11 {
58 0 : SurfaceDescriptorX11()
59 0 : { }
60 :
61 : SurfaceDescriptorX11(gfxXlibSurface* aSurf);
62 :
63 : SurfaceDescriptorX11(Drawable aDrawable, XID aFormatID,
64 : const gfxIntSize& aSize);
65 :
66 : // Default copy ctor and operator= are OK
67 :
68 0 : bool operator==(const SurfaceDescriptorX11& aOther) const {
69 : // Define == as two descriptors having the same XID for now,
70 : // ignoring size and render format. If the two indeed refer to
71 : // the same valid XID, then size/format are "actually" the same
72 : // anyway, regardless of the values of the fields in
73 : // SurfaceDescriptorX11.
74 0 : return mId == aOther.mId;
75 : }
76 :
77 : already_AddRefed<gfxXlibSurface> OpenForeign() const;
78 :
79 : Drawable mId;
80 : XID mFormat; // either a PictFormat or VisualID
81 : gfxIntSize mSize;
82 : };
83 :
84 : } // namespace layers
85 : } // namespace mozilla
86 :
87 : namespace IPC {
88 :
89 : template <>
90 : struct ParamTraits<mozilla::layers::SurfaceDescriptorX11> {
91 : typedef mozilla::layers::SurfaceDescriptorX11 paramType;
92 :
93 0 : static void Write(Message* aMsg, const paramType& aParam) {
94 0 : WriteParam(aMsg, aParam.mId);
95 0 : WriteParam(aMsg, aParam.mSize);
96 0 : WriteParam(aMsg, aParam.mFormat);
97 0 : }
98 :
99 0 : static bool Read(const Message* aMsg, void** aIter, paramType* aResult) {
100 0 : return (ReadParam(aMsg, aIter, &aResult->mId) &&
101 0 : ReadParam(aMsg, aIter, &aResult->mSize) &&
102 0 : ReadParam(aMsg, aIter, &aResult->mFormat));
103 : }
104 : };
105 :
106 : } // namespace IPC
107 :
108 : #endif // mozilla_layers_ShadowLayerUtilsX11_h
|