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removing gfxSharedImageSurface files. part of backout of 544250
This commit is contained in:
Doug Turner
parent
184af0aa49
commit
02e532de27
@ -1,146 +0,0 @@
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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Nokia Corporation code.
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*
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* The Initial Developer of the Original Code is Nokia Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2005
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Oleg Romashin <romaxa@gmail.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef GFX_SHARED_IMAGESURFACE_H
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#define GFX_SHARED_IMAGESURFACE_H
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#ifdef HAVE_XSHM
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#include "gfxASurface.h"
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#include "gfxImageSurface.h"
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#include "gfxPoint.h"
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#include <stdlib.h>
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#include <string.h>
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#ifdef MOZ_WIDGET_QT
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#include <QX11Info>
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#endif
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#ifdef MOZ_WIDGET_GTK2
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#include <gtk/gtk.h>
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#include <gdk/gdk.h>
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#include <gdk/gdkx.h>
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#endif
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#ifdef MOZ_X11
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/extensions/XShm.h>
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#endif
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#include <sys/ipc.h>
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#include <sys/shm.h>
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class THEBES_API gfxSharedImageSurface : public gfxASurface {
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public:
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gfxSharedImageSurface();
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~gfxSharedImageSurface();
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// ImageSurface methods
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gfxImageFormat Format() const { return mFormat; }
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const gfxIntSize& GetSize() const { return mSize; }
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int Width() const { return mSize.width; }
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int Height() const { return mSize.height; }
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/**
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* Distance in bytes between the start of a line and the start of the
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* next line.
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*/
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int Stride() const { return mStride; }
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/**
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* Returns a pointer for the image data. Users of this function can
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* write to it, but must not attempt to free the buffer.
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*/
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unsigned char* Data() const { return mData; } // delete this data under us and die.
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/**
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* Returns the total size of the image data.
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*/
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int GetDataSize() const { return mStride*mSize.height; }
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/**
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* Returns a pointer for the X-image structure.
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*/
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XImage *image() const { return mXShmImage; }
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/**
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* Returns a gfxImageSurface as gfxASurface.
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*/
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already_AddRefed<gfxASurface> getASurface(void);
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/**
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* Construct an shared image surface and XImage
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* @param aSize The size of the buffer
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* @param aFormat Format of the data
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* @see gfxImageFormat
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* @param aShmId Shared Memory ID of data created outside,
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* if not specified, then class will allocate own shared memory
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* @display aDisplay display used for X-Image creation
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* if not specified, then used system default
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*
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*/
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bool Init(const gfxIntSize& aSize,
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gfxImageFormat aFormat = ImageFormatUnknown,
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int aShmId = -1,
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Display *aDisplay = NULL);
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private:
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bool CreateInternal(int aShmid);
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long ComputeStride() const;
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inline bool ComputeDepth();
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inline bool ComputeFormat();
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unsigned int mDepth;
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int mShmId;
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gfxIntSize mSize;
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bool mOwnsData;
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unsigned char *mData;
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gfxImageFormat mFormat;
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long mStride;
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Display *mDisp;
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XShmSegmentInfo mShmInfo;
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XImage *mXShmImage;
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};
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#endif /* HAVE_XSHM */
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#endif /* GFX_SHARED_IMAGESURFACE_H */
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@ -1,238 +0,0 @@
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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Nokia Corporation code.
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*
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* The Initial Developer of the Original Code is Nokia Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2005
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Oleg Romashin <romaxa@gmail.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "gfxSharedImageSurface.h"
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#include <stdio.h>
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#ifdef HAVE_XSHM
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gfxSharedImageSurface::gfxSharedImageSurface()
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: mDepth(0),
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mShmId(0),
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mOwnsData(true),
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mData(NULL),
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mStride(0),
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mXShmImage(NULL)
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{
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memset(&mShmInfo, 0, sizeof(XShmSegmentInfo));
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}
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gfxSharedImageSurface::~gfxSharedImageSurface()
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{
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// Finish all pending XServer operations
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if (mDisp) {
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XSync(mDisp, False);
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XShmDetach(mDisp, &mShmInfo);
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}
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if (mData)
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shmdt(mData);
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if (mXShmImage)
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XDestroyImage(mXShmImage);
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}
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already_AddRefed<gfxASurface>
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gfxSharedImageSurface::getASurface(void)
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{
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NS_ENSURE_TRUE(mData, NULL);
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gfxASurface::gfxImageFormat imageFormat = gfxASurface::ImageFormatRGB24;
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if (mDepth == 32)
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imageFormat = gfxASurface::ImageFormatARGB32;
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gfxASurface* result = new gfxImageSurface(mData, mSize, mStride, imageFormat);
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NS_IF_ADDREF(result);
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return result;
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}
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#ifdef MOZ_WIDGET_QT
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static unsigned int
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getSystemDepth()
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{
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return QX11Info::appDepth();
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}
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static Display*
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getSystemDisplay()
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{
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return QX11Info::display();
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}
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#endif
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#ifdef MOZ_WIDGET_GTK2
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static unsigned int
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getSystemDepth()
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{
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return gdk_visual_get_system()->depth;
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}
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static Display*
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getSystemDisplay()
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{
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return GDK_DISPLAY();
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}
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#endif
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bool
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gfxSharedImageSurface::Init(const gfxIntSize& aSize,
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gfxImageFormat aFormat,
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int aShmId,
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Display *aDisplay)
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{
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mSize = aSize;
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if (aFormat != ImageFormatUnknown) {
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mFormat = aFormat;
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if (!ComputeDepth())
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return false;
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} else {
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mDepth = getSystemDepth();
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if (!ComputeFormat())
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NS_WARNING("Will work with system depth");
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}
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mDisp = aDisplay ? aDisplay : getSystemDisplay();
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if (!mDisp)
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return false;
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return CreateInternal(aShmId);
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}
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bool
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gfxSharedImageSurface::CreateInternal(int aShmid)
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{
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memset(&mShmInfo, 0, sizeof(mShmInfo));
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mStride = ComputeStride();
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if (aShmid != -1) {
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mShmId = aShmid;
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mOwnsData = false;
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} else
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mShmId = shmget(IPC_PRIVATE, GetDataSize(), IPC_CREAT | 0777);
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if (mShmId == -1)
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return false;
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void *data = shmat(mShmId, 0, 0);
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shmctl(mShmId, IPC_RMID, 0);
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if (data == (void *)-1)
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return false;
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mData = (unsigned char *)data;
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mXShmImage = XShmCreateImage(mDisp, NULL,
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mDepth, ZPixmap,
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NULL, &mShmInfo,
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mSize.width,
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mSize.height);
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if (!mXShmImage)
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return false;
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mShmInfo.shmid = mShmId;
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if (mStride != mXShmImage->bytes_per_line) {
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NS_WARNING("XStride and gfxSharedImageSurface calculated stride does not match");
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return false;
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}
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mShmInfo.shmaddr = mXShmImage->data = (char*)data;
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mShmInfo.readOnly = False;
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if (!XShmAttach(mDisp, &mShmInfo))
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return false;
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return true;
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}
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bool
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gfxSharedImageSurface::ComputeFormat()
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{
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if (mDepth == 32)
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mFormat = ImageFormatARGB32;
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if (mDepth == 24)
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mFormat = ImageFormatRGB24;
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else {
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NS_WARNING("Unknown depth specified to gfxSharedImageSurface!");
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mFormat = ImageFormatUnknown;
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return false;
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}
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return true;
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}
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bool
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gfxSharedImageSurface::ComputeDepth()
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{
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mDepth = 0;
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if (mFormat == ImageFormatARGB32)
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mDepth = 32;
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else if (mFormat == ImageFormatRGB24)
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mDepth = 24;
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else {
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NS_WARNING("Unknown format specified to gfxSharedImageSurface!");
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return false;
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}
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return true;
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}
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long
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gfxSharedImageSurface::ComputeStride() const
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{
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long stride;
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if (mDepth == 16)
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stride = mSize.width * 2;
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else if (mFormat == ImageFormatARGB32)
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stride = mSize.width * 4;
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else if (mFormat == ImageFormatRGB24)
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stride = mSize.width * 4;
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else if (mFormat == ImageFormatA8)
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stride = mSize.width;
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else if (mFormat == ImageFormatA1) {
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stride = (mSize.width + 7) / 8;
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} else {
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NS_WARNING("Unknown format specified to gfxImageSurface!");
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stride = mSize.width * 4;
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}
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stride = ((stride + 3) / 4) * 4;
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return stride;
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}
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#endif /* HAVE_XSHM */
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