Merge branch '4.7-upstream' into 4.7-doc

8 files changed, 412 insertions, 239 deletions

diff --git a/src/plugins/gfxdrivers/directfb/qdirectfbpixmap.cpp b/src/plugins/gfxdrivers/directfb/qdirectfbpixmap.cpp
index c0d96d7..ce3a05a 100644
--- a/src/plugins/gfxdrivers/directfb/qdirectfbpixmap.cpp
+++ b/src/plugins/gfxdrivers/directfb/qdirectfbpixmap.cpp
@@ -251,12 +251,6 @@ bool QDirectFBPixmapData::fromDataBufferDescription(const DFBDataBufferDescripti
     }
     QDirectFBPointer<IDirectFBImageProvider> provider(providerPtr);
 
-    DFBSurfaceDescription surfaceDescription;
-    if ((result = provider->GetSurfaceDescription(provider.data(), &surfaceDescription)) != DFB_OK) {
-        DirectFBError("QDirectFBPixmapData::fromDataBufferDescription(): Can't get surface description", result);
-        return false;
-    }
-
     DFBImageDescription imageDescription;
     result = provider->GetImageDescription(provider.data(), &imageDescription);
     if (result != DFB_OK) {
@@ -264,7 +258,17 @@ bool QDirectFBPixmapData::fromDataBufferDescription(const DFBDataBufferDescripti
         return false;
     }
 
-    alpha = imageDescription.caps & (DICAPS_ALPHACHANNEL|DICAPS_COLORKEY);
+    if (imageDescription.caps & DICAPS_COLORKEY) {
+        return false;
+    }
+
+    DFBSurfaceDescription surfaceDescription;
+    if ((result = provider->GetSurfaceDescription(provider.data(), &surfaceDescription)) != DFB_OK) {
+        DirectFBError("QDirectFBPixmapData::fromDataBufferDescription(): Can't get surface description", result);
+        return false;
+    }
+
+    alpha = imageDescription.caps & DICAPS_ALPHACHANNEL;
     imageFormat = alpha ? screen->alphaPixmapFormat() : screen->pixelFormat();
 
     dfbSurface = screen->createDFBSurface(QSize(surfaceDescription.width, surfaceDescription.height),
diff --git a/src/plugins/graphicssystems/meego/meego.pro b/src/plugins/graphicssystems/meego/meego.pro
index eaccd4a..0b157fa 100644
--- a/src/plugins/graphicssystems/meego/meego.pro
+++ b/src/plugins/graphicssystems/meego/meego.pro
@@ -5,8 +5,8 @@ QT += gui opengl
 
 QTDIR_build:DESTDIR = $$QT_BUILD_TREE/plugins/graphicssystems
 
-HEADERS = qmeegographicssystem.h qmeegopixmapdata.h qmeegoextensions.h qmeegorasterpixmapdata.h
-SOURCES = qmeegographicssystem.cpp qmeegographicssystem.h qmeegographicssystemplugin.h qmeegographicssystemplugin.cpp qmeegopixmapdata.h qmeegopixmapdata.cpp qmeegoextensions.h qmeegoextensions.cpp qmeegorasterpixmapdata.h qmeegorasterpixmapdata.cpp
+HEADERS = qmeegographicssystem.h qmeegopixmapdata.h qmeegoextensions.h qmeegorasterpixmapdata.h qmeegolivepixmapdata.h
+SOURCES = qmeegographicssystem.cpp qmeegographicssystem.h qmeegographicssystemplugin.h qmeegographicssystemplugin.cpp qmeegopixmapdata.h qmeegopixmapdata.cpp qmeegoextensions.h qmeegoextensions.cpp qmeegorasterpixmapdata.h qmeegorasterpixmapdata.cpp qmeegolivepixmapdata.cpp qmeegolivepixmapdata.h
 
 target.path += $$[QT_INSTALL_PLUGINS]/graphicssystems
 INSTALLS += target
diff --git a/src/plugins/graphicssystems/meego/qmeegographicssystem.cpp b/src/plugins/graphicssystems/meego/qmeegographicssystem.cpp
index 772db44..96fbd6c 100644
--- a/src/plugins/graphicssystems/meego/qmeegographicssystem.cpp
+++ b/src/plugins/graphicssystems/meego/qmeegographicssystem.cpp
@@ -54,6 +54,7 @@
 #include <private/qpixmap_x11_p.h>
 
 #include "qmeegopixmapdata.h"
+#include "qmeegolivepixmapdata.h"
 #include "qmeegographicssystem.h"
 #include "qmeegoextensions.h"
 
@@ -174,22 +175,6 @@ QPixmapData *QMeeGoGraphicsSystem::pixmapDataFromEGLSharedImage(Qt::HANDLE handl
     }
 }
 
-QPixmapData *QMeeGoGraphicsSystem::pixmapDataFromEGLImage(Qt::HANDLE handle)
-{
-    if (QMeeGoGraphicsSystem::meeGoRunning()) {
-        QMeeGoPixmapData *pmd = new QMeeGoPixmapData;
-        pmd->fromEGLImage(handle);
-
-        // FIXME Ok. This is a bit BAD BAD BAD. We're abusing here the fact that we KNOW
-        // that this function is used for the live pixmap...
-        pmd->texture()->options &= ~QGLContext::InvertedYBindOption;
-        return QMeeGoGraphicsSystem::wrapPixmapData(pmd);
-    } else {
-        qFatal("Can't create from EGL image when not running meego graphics system!");
-        return NULL;
-    }
-}
-
 void QMeeGoGraphicsSystem::updateEGLSharedImagePixmap(QPixmap *pixmap)
 {
     QMeeGoPixmapData *pmd = (QMeeGoPixmapData *) pixmap->pixmapData();
@@ -208,117 +193,6 @@ QPixmapData *QMeeGoGraphicsSystem::pixmapDataWithGLTexture(int w, int h)
     return QMeeGoGraphicsSystem::wrapPixmapData(pmd);
 }
 
-Qt::HANDLE QMeeGoGraphicsSystem::createLiveTexture(int w, int h, QImage::Format format)
-{
-    // No need to wrap the QPixmapData here. This QPixmap(Data) is a 
-    // internal implementation and we don't migrate it between 
-    // graphics system switching.
-    
-    // We use a bit ugly way of enforcing a color format on the X pixmap -- we create 
-    // a local QImage and fromImage from there. This is quite redundant (extra overhead of creating 
-    // the useless image only to delete it) but shouldn't be too bad for now... you're not expected
-    // to call createLiveTexture too often anyways. Would be great if QX11PixmapData had a way to 
-    // force the X format upon creation or resize.
-    
-    QImage image(w, h, format);
-    QX11PixmapData *pmd = new QX11PixmapData(QPixmapData::PixmapType);
-    pmd->fromImage(image, Qt::NoOpaqueDetection);
-    QPixmap *p = new QPixmap(pmd);
-    
-    liveTexturePixmaps.insert(p->handle(), p);
-    return p->handle();
-}
-
-void QMeeGoGraphicsSystem::destroyLiveTexture(Qt::HANDLE h)
-{
-    if (liveTexturePixmaps.contains(h)) {
-        QPixmap *p = liveTexturePixmaps.value(h);
-        delete p;
-        liveTexturePixmaps.remove(h);
-    } else
-        qWarning("Trying to destroy live texture %ld which was not found!", h);
-}
-
-bool QMeeGoGraphicsSystem::lockLiveTexture(Qt::HANDLE h)
-{
-    if (! liveTexturePixmaps.contains(h)) {
-        qWarning("Trying to lock live texture %ld which was not found!", h);
-        return false;
-    }
-
-    EGLint attribs[] = {
-        EGL_MAP_PRESERVE_PIXELS_KHR, EGL_TRUE,
-        EGL_LOCK_USAGE_HINT_KHR, EGL_READ_SURFACE_BIT_KHR | EGL_WRITE_SURFACE_BIT_KHR, 
-        EGL_NONE
-    };
-
-    QGLShareContextScope ctx(qt_gl_share_widget()->context());
-    EGLSurface surface = getSurfaceForLiveTexturePixmap(liveTexturePixmaps.value(h));
-    return QMeeGoExtensions::eglLockSurfaceKHR(QEgl::display(), surface, attribs);
-}
-
-bool QMeeGoGraphicsSystem::unlockLiveTexture(Qt::HANDLE h)
-{
-    if (! liveTexturePixmaps.contains(h)) {
-        qWarning("Trying to lock live texture %ld which was not found!", h);
-        return false;
-    }
-
-    QGLShareContextScope ctx(qt_gl_share_widget()->context());
-    QMeeGoExtensions::ensureInitialized();
-
-    EGLSurface surface = getSurfaceForLiveTexturePixmap(liveTexturePixmaps.value(h));
-    if (QMeeGoExtensions::eglUnlockSurfaceKHR(QEgl::display(), surface)) {
-        glFinish();
-        return true;
-    } else {
-        return false;
-    }
-}
-
-void QMeeGoGraphicsSystem::queryLiveTexture(Qt::HANDLE h, void **data, int *pitch, QImage::Format *f)
-{
-    // FIXME Only allow this on locked surfaces
-    if (! liveTexturePixmaps.contains(h)) {
-        qWarning("Trying to query live texture %ld which was not found!", h);
-        return;
-    }
-
-    QGLShareContextScope ctx(qt_gl_share_widget()->context());
-    QMeeGoExtensions::ensureInitialized();
-
-    EGLSurface surface = getSurfaceForLiveTexturePixmap(liveTexturePixmaps.value(h));
-    eglQuerySurface(QEgl::display(), surface, EGL_BITMAP_POINTER_KHR, (EGLint*) data);
-    eglQuerySurface(QEgl::display(), surface, EGL_BITMAP_PITCH_KHR, (EGLint*) pitch);
-
-    // Ok, here we know we just support those two formats. Real solution would be:
-    // in liveTexturePixmaps store a small structure containing the pixmap and the
-    // original Qt format.
-    if (liveTexturePixmaps.value(h)->depth() > 16)
-        *f = QImage::Format_ARGB32_Premultiplied;
-    else
-        *f = QImage::Format_RGB16;
-}
-
-Qt::HANDLE QMeeGoGraphicsSystem::liveTextureToEGLImage(Qt::HANDLE h)
-{
-    QGLShareContextScope ctx(qt_gl_share_widget()->context());
-    QMeeGoExtensions::ensureInitialized();
-
-    EGLint attribs[] = {
-        EGL_IMAGE_PRESERVED_KHR, EGL_TRUE,
-        EGL_NONE
-    };
-
-    EGLImageKHR eglImage = QEgl::eglCreateImageKHR(QEgl::display(), EGL_NO_CONTEXT, EGL_NATIVE_PIXMAP_KHR,
-                                                   (EGLClientBuffer) h, attribs);
-
-    if (eglImage == EGL_NO_IMAGE_KHR) 
-        qWarning("eglCreateImageKHR failed!");
-
-    return (Qt::HANDLE) eglImage;
-}
-
 bool QMeeGoGraphicsSystem::meeGoRunning()
 {
     if (! QApplicationPrivate::instance()) {
@@ -335,52 +209,32 @@ bool QMeeGoGraphicsSystem::meeGoRunning()
     return (name == "meego");
 }
 
-void QMeeGoGraphicsSystem::destroySurfaceForLiveTexturePixmap(QPixmapData* pmd)
+QPixmapData* QMeeGoGraphicsSystem::pixmapDataWithNewLiveTexture(int w, int h, QImage::Format format)
 {
-    Q_ASSERT(pmd->classId() == QPixmapData::X11Class);
-    QX11PixmapData *pixmapData = static_cast<QX11PixmapData*>(pmd);
-    if (pixmapData->gl_surface) {
-        eglDestroySurface(QEgl::display(), (EGLSurface)pixmapData->gl_surface);
-        pixmapData->gl_surface = 0;
-    }
+    return new QMeeGoLivePixmapData(w, h, format);
 }
 
-EGLSurface QMeeGoGraphicsSystem::getSurfaceForLiveTexturePixmap(QPixmap *pixmap)
+QPixmapData* QMeeGoGraphicsSystem::pixmapDataFromLiveTextureHandle(Qt::HANDLE handle)
 {
-    // This code is a crative remix of the stuff that can be found in the 
-    // Qt's TFP implementation in /src/opengl/qgl_x11egl.cpp ::bindiTextureFromNativePixmap
-    QX11PixmapData *pixmapData = static_cast<QX11PixmapData*>(pixmap->data_ptr().data());
-    Q_ASSERT(pixmapData->classId() == QPixmapData::X11Class);
-    bool hasAlpha = pixmapData->hasAlphaChannel();
-   
-    if (pixmapData->gl_surface &&
-        hasAlpha == (pixmapData->flags & QX11PixmapData::GlSurfaceCreatedWithAlpha))
-        return pixmapData->gl_surface;
-
-    // Check to see if the surface is still valid
-    if (pixmapData->gl_surface &&
-        hasAlpha != ((pixmapData->flags & QX11PixmapData::GlSurfaceCreatedWithAlpha) > 0)) {
-        // Surface is invalid!
-        QMeeGoGraphicsSystem::destroySurfaceForLiveTexturePixmap(pixmapData);
-    }
+    return new QMeeGoLivePixmapData(handle);
+}
 
-    if (pixmapData->gl_surface == 0) {
-        EGLConfig config = QEgl::defaultConfig(QInternal::Pixmap,
-                                               QEgl::OpenGL,
-                                               hasAlpha ? QEgl::Translucent : QEgl::NoOptions);
+QImage* QMeeGoGraphicsSystem::lockLiveTexture(QPixmap* pixmap)
+{
+    QMeeGoLivePixmapData *pixmapData = static_cast<QMeeGoLivePixmapData*>(pixmap->data_ptr().data());
+    return pixmapData->lock();
+}
 
-        pixmapData->gl_surface = (void*)QEgl::createSurface(pixmap, config);
-        
-        if (hasAlpha)
-            pixmapData->flags |= QX11PixmapData::GlSurfaceCreatedWithAlpha;
-        else
-            pixmapData->flags &= ~QX11PixmapData::GlSurfaceCreatedWithAlpha;
-            
-        if (pixmapData->gl_surface == (void*)EGL_NO_SURFACE)
-            return NULL;
-    }
+bool QMeeGoGraphicsSystem::releaseLiveTexture(QPixmap *pixmap, QImage *image)
+{
+    QMeeGoLivePixmapData *pixmapData = static_cast<QMeeGoLivePixmapData*>(pixmap->data_ptr().data());
+    return pixmapData->release(image);
+}
 
-    return pixmapData->gl_surface;
+Qt::HANDLE QMeeGoGraphicsSystem::getLiveTextureHandle(QPixmap *pixmap)
+{
+    QMeeGoLivePixmapData *pixmapData = static_cast<QMeeGoLivePixmapData*>(pixmap->data_ptr().data());
+    return pixmapData->handle();
 }
 
 /* C API */
@@ -395,11 +249,6 @@ QPixmapData* qt_meego_pixmapdata_from_egl_shared_image(Qt::HANDLE handle, const
     return QMeeGoGraphicsSystem::pixmapDataFromEGLSharedImage(handle, softImage);
 }
 
-QPixmapData* qt_meego_pixmapdata_from_egl_image(Qt::HANDLE handle)
-{
-    return QMeeGoGraphicsSystem::pixmapDataFromEGLImage(handle);
-}
-
 QPixmapData* qt_meego_pixmapdata_with_gl_texture(int w, int h)
 {
     return QMeeGoGraphicsSystem::pixmapDataWithGLTexture(w, h);
@@ -430,32 +279,27 @@ void qt_meego_update_egl_shared_image_pixmap(QPixmap *pixmap)
     QMeeGoGraphicsSystem::updateEGLSharedImagePixmap(pixmap);
 }
 
-Qt::HANDLE qt_meego_live_texture_create(int w, int h, QImage::Format format)
+QPixmapData* qt_meego_pixmapdata_with_new_live_texture(int w, int h, QImage::Format format)
 {
-    return QMeeGoGraphicsSystem::createLiveTexture(w, h, format);
+    return QMeeGoGraphicsSystem::pixmapDataWithNewLiveTexture(w, h, format);
 }
 
-void qt_meego_live_texture_destroy(Qt::HANDLE h)
+QPixmapData* qt_meego_pixmapdata_from_live_texture_handle(Qt::HANDLE handle)
 {
-    QMeeGoGraphicsSystem::destroyLiveTexture(h);
+    return QMeeGoGraphicsSystem::pixmapDataFromLiveTextureHandle(handle);
 }
 
-bool qt_meego_live_texture_lock(Qt::HANDLE h)
+QImage* qt_meego_live_texture_lock(QPixmap *pixmap)
 {
-    return QMeeGoGraphicsSystem::lockLiveTexture(h);
+    return QMeeGoGraphicsSystem::lockLiveTexture(pixmap);
 }
 
-bool qt_meego_live_texture_unlock(Qt::HANDLE h)
+bool qt_meego_live_texture_release(QPixmap *pixmap, QImage *image)
 {
-    return QMeeGoGraphicsSystem::unlockLiveTexture(h);
+    return QMeeGoGraphicsSystem::releaseLiveTexture(pixmap, image);
 }
 
-void qt_meego_live_texture_query(Qt::HANDLE h, void **data, int *pitch, QImage::Format *f)
+Qt::HANDLE qt_meego_live_texture_get_handle(QPixmap *pixmap)
 {
-    return QMeeGoGraphicsSystem::queryLiveTexture(h, data, pitch, f);
-}
-
-Qt::HANDLE qt_meego_live_texture_to_egl_image(Qt::HANDLE h)
-{
-    return QMeeGoGraphicsSystem::liveTextureToEGLImage(h); 
-}
+    return QMeeGoGraphicsSystem::getLiveTextureHandle(pixmap);
+}
\ No newline at end of file
diff --git a/src/plugins/graphicssystems/meego/qmeegographicssystem.h b/src/plugins/graphicssystems/meego/qmeegographicssystem.h
index fad0db6..2697f0f 100644
--- a/src/plugins/graphicssystems/meego/qmeegographicssystem.h
+++ b/src/plugins/graphicssystems/meego/qmeegographicssystem.h
@@ -67,12 +67,11 @@ public:
     static QPixmapData *pixmapDataWithGLTexture(int w, int h);
     static void updateEGLSharedImagePixmap(QPixmap *pixmap);
 
-    static Qt::HANDLE createLiveTexture(int w, int h, QImage::Format format);
-    static void destroyLiveTexture(Qt::HANDLE h);
-    static bool lockLiveTexture(Qt::HANDLE h);
-    static bool unlockLiveTexture(Qt::HANDLE h);
-    static void queryLiveTexture(Qt::HANDLE h, void **data, int *pitch, QImage::Format *format);
-    static Qt::HANDLE liveTextureToEGLImage(Qt::HANDLE h);
+    static QPixmapData *pixmapDataWithNewLiveTexture(int w, int h, QImage::Format format);
+    static QPixmapData *pixmapDataFromLiveTextureHandle(Qt::HANDLE handle);
+    static QImage *lockLiveTexture(QPixmap* pixmap);
+    static bool releaseLiveTexture(QPixmap *pixmap, QImage *image);
+    static Qt::HANDLE getLiveTextureHandle(QPixmap *pixmap);
 
 private:
     static bool meeGoRunning();
@@ -88,19 +87,17 @@ private:
 extern "C" {
     Q_DECL_EXPORT int qt_meego_image_to_egl_shared_image(const QImage &image);
     Q_DECL_EXPORT QPixmapData* qt_meego_pixmapdata_from_egl_shared_image(Qt::HANDLE handle, const QImage &softImage);
-    Q_DECL_EXPORT QPixmapData* qt_meego_pixmapdata_from_egl_image(Qt::HANDLE handle);
     Q_DECL_EXPORT QPixmapData* qt_meego_pixmapdata_with_gl_texture(int w, int h);
     Q_DECL_EXPORT void qt_meego_update_egl_shared_image_pixmap(QPixmap *pixmap);
     Q_DECL_EXPORT bool qt_meego_destroy_egl_shared_image(Qt::HANDLE handle);
     Q_DECL_EXPORT void qt_meego_set_surface_fixed_size(int width, int height);
     Q_DECL_EXPORT void qt_meego_set_surface_scaling(int x, int y, int width, int height);
-    Q_DECL_EXPORT void qt_meego_set_translucent(bool translucent);
-    Q_DECL_EXPORT Qt::HANDLE m_live_texture_create(int w, int h, QImage::Format format);
-    Q_DECL_EXPORT void m_live_texture_destroy(Qt::HANDLE h);
-    Q_DECL_EXPORT bool m_live_texture_lock(Qt::HANDLE h);
-    Q_DECL_EXPORT bool m_live_texture_unlock(Qt::HANDLE h);
-    Q_DECL_EXPORT void m_live_texture_query(Qt::HANDLE h, void **data, int *pitch, QImage::Format *f);
-    Q_DECL_EXPORT Qt::HANDLE m_live_texture_to_egl_image(Qt::HANDLE h);
+    Q_DECL_EXPORT void qt_meego_set_translucent(bool translucent);    
+    Q_DECL_EXPORT QPixmapData* qt_meego_pixmapdata_with_new_live_texture(int w, int h, QImage::Format format);
+    Q_DECL_EXPORT QPixmapData* qt_meego_pixmapdata_from_live_texture_handle(Qt::HANDLE handle);
+    Q_DECL_EXPORT QImage* qt_meego_live_texture_lock(QPixmap *pixmap);
+    Q_DECL_EXPORT bool qt_meego_live_texture_release(QPixmap *pixmap, QImage *image);
+    Q_DECL_EXPORT Qt::HANDLE qt_meego_live_texture_get_handle(QPixmap *pixmap);
 }
 
 #endif 
diff --git a/src/plugins/graphicssystems/meego/qmeegolivepixmapdata.cpp b/src/plugins/graphicssystems/meego/qmeegolivepixmapdata.cpp
new file mode 100644
index 0000000..405b765
--- /dev/null
+++ b/src/plugins/graphicssystems/meego/qmeegolivepixmapdata.cpp
@@ -0,0 +1,287 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qmeegolivepixmapdata.h"
+#include "qmeegoextensions.h"
+#include "qmeegorasterpixmapdata.h"
+#include <private/qimage_p.h>
+#include <private/qwindowsurface_gl_p.h>
+#include <private/qeglcontext_p.h>
+#include <private/qapplication_p.h>
+#include <private/qgraphicssystem_runtime_p.h>
+#include <private/qpixmap_x11_p.h>
+#include <stdio.h>
+
+static EGLint lock_attribs[] = {
+    EGL_MAP_PRESERVE_PIXELS_KHR, EGL_TRUE,
+    EGL_LOCK_USAGE_HINT_KHR, EGL_READ_SURFACE_BIT_KHR | EGL_WRITE_SURFACE_BIT_KHR,
+    EGL_NONE
+};
+
+static EGLint preserved_attribs[] = {
+    EGL_IMAGE_PRESERVED_KHR, EGL_TRUE,
+    EGL_NONE
+};
+
+// as copied from qwindowsurface.cpp
+void qt_scrollRectInImage(QImage &img, const QRect &rect, const QPoint &offset)
+{
+    // make sure we don't detach
+    uchar *mem = const_cast<uchar*>(const_cast<const QImage &>(img).bits());
+
+    int lineskip = img.bytesPerLine();
+    int depth = img.depth() >> 3;
+
+    const QRect imageRect(0, 0, img.width(), img.height());
+    const QRect r = rect & imageRect & imageRect.translated(-offset);
+    const QPoint p = rect.topLeft() + offset;
+
+    if (r.isEmpty())
+        return;
+
+    const uchar *src;
+    uchar *dest;
+
+    if (r.top() < p.y()) {
+        src = mem + r.bottom() * lineskip + r.left() * depth;
+        dest = mem + (p.y() + r.height() - 1) * lineskip + p.x() * depth;
+        lineskip = -lineskip;
+    } else {
+        src = mem + r.top() * lineskip + r.left() * depth;
+        dest = mem + p.y() * lineskip + p.x() * depth;
+    }
+
+    const int w = r.width();
+    int h = r.height();
+    const int bytes = w * depth;
+
+    // overlapping segments?
+    if (offset.y() == 0 && qAbs(offset.x()) < w) {
+        do {
+            ::memmove(dest, src, bytes);
+            dest += lineskip;
+            src += lineskip;
+        } while (--h);
+    } else {
+        do {
+            ::memcpy(dest, src, bytes);
+            dest += lineskip;
+            src += lineskip;
+        } while (--h);
+    }
+}
+
+/* Public */
+
+QMeeGoLivePixmapData::QMeeGoLivePixmapData(int w, int h, QImage::Format format) : QGLPixmapData(QPixmapData::PixmapType)
+{
+    QImage image(w, h, format);
+    QX11PixmapData *pmd = new QX11PixmapData(QPixmapData::PixmapType);
+    pmd->fromImage(image, Qt::NoOpaqueDetection);
+    backingX11Pixmap = new QPixmap(pmd);
+
+    initializeThroughEGLImage();
+}
+
+QMeeGoLivePixmapData::QMeeGoLivePixmapData(Qt::HANDLE h) : QGLPixmapData(QPixmapData::PixmapType)
+{
+    backingX11Pixmap = new QPixmap(QPixmap::fromX11Pixmap(h));
+    initializeThroughEGLImage();
+}
+
+QMeeGoLivePixmapData::~QMeeGoLivePixmapData()
+{
+    delete backingX11Pixmap;
+}
+
+void QMeeGoLivePixmapData::initializeThroughEGLImage()
+{
+    QGLShareContextScope ctx(qt_gl_share_widget()->context());
+    QMeeGoExtensions::ensureInitialized();
+
+    EGLImageKHR eglImage = EGL_NO_IMAGE_KHR;
+    GLuint newTextureId = 0;
+
+    eglImage = QEgl::eglCreateImageKHR(QEgl::display(), EGL_NO_CONTEXT, EGL_NATIVE_PIXMAP_KHR,
+                                       (EGLClientBuffer) backingX11Pixmap->handle(), preserved_attribs);
+
+    if (eglImage == EGL_NO_IMAGE_KHR) {
+        qWarning("eglCreateImageKHR failed (live texture)!");
+        return;
+    }
+
+    glGenTextures(1, &newTextureId);
+    glBindTexture(GL_TEXTURE_2D, newTextureId);
+
+    glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, (EGLImageKHR) eglImage);
+    if (glGetError() == GL_NO_ERROR) {
+        resize(backingX11Pixmap->width(), backingX11Pixmap->height());
+        texture()->id = newTextureId;
+        texture()->options &= ~QGLContext::InvertedYBindOption;
+        m_hasAlpha = backingX11Pixmap->hasAlphaChannel();
+    } else {
+        qWarning("Failed to create a texture from an egl image (live texture)!");
+        glDeleteTextures(1, &newTextureId);
+    }
+
+    QEgl::eglDestroyImageKHR(QEgl::display(), eglImage);
+}
+
+QPixmapData *QMeeGoLivePixmapData::createCompatiblePixmapData() const
+{
+    qWarning("Create compatible called on live pixmap! Expect fail soon...");
+    return new QMeeGoRasterPixmapData(pixelType());
+}
+
+QImage* QMeeGoLivePixmapData::lock()
+{
+    QGLShareContextScope ctx(qt_gl_share_widget()->context());
+    QMeeGoExtensions::ensureInitialized();
+
+    void *data = 0;
+    int pitch = 0;
+    EGLSurface surface = 0;
+    QImage::Format format;
+    lockedImage = QImage();
+
+    surface = getSurfaceForBackingPixmap();
+    if (! QMeeGoExtensions::eglLockSurfaceKHR(QEgl::display(), surface, lock_attribs)) {
+        qWarning("Failed to lock surface (live texture)!");
+        return &lockedImage;
+    }
+
+    eglQuerySurface(QEgl::display(), surface, EGL_BITMAP_POINTER_KHR, (EGLint*) &data);
+    eglQuerySurface(QEgl::display(), surface, EGL_BITMAP_PITCH_KHR, (EGLint*) &pitch);
+
+    // Ok, here we know we just support those two formats. Real solution would be:
+    // uqery also the format.
+    if (backingX11Pixmap->depth() > 16)
+        format = QImage::Format_ARGB32_Premultiplied;
+    else
+        format = QImage::Format_RGB16;
+
+    if (data == NULL || pitch == 0) {
+        qWarning("Failed to query the live texture!");
+        return &lockedImage;
+    }
+
+    lockedImage = QImage((uchar *) data, width(), height(), format);
+    return &lockedImage;
+}
+
+bool QMeeGoLivePixmapData::release(QImage* /*img*/)
+{
+    QGLShareContextScope ctx(qt_gl_share_widget()->context());
+    QMeeGoExtensions::ensureInitialized();
+
+    if (QMeeGoExtensions::eglUnlockSurfaceKHR(QEgl::display(), getSurfaceForBackingPixmap())) {
+        lockedImage = QImage();
+        glFinish();
+        return true;
+    } else {
+        lockedImage = QImage();
+        return false;
+    }
+}
+
+Qt::HANDLE QMeeGoLivePixmapData::handle()
+{
+    return backingX11Pixmap->handle();
+}
+
+bool QMeeGoLivePixmapData::scroll(int dx, int dy, const QRect &rect)
+{
+    lock();
+
+    if (!lockedImage.isNull())
+        qt_scrollRectInImage(lockedImage, rect, QPoint(dx, dy));
+
+    release(&lockedImage);
+    return true;
+}
+
+EGLSurface QMeeGoLivePixmapData::getSurfaceForBackingPixmap()
+{
+    // This code is a crative remix of the stuff that can be found in the
+    // Qt's TFP implementation in /src/opengl/qgl_x11egl.cpp ::bindiTextureFromNativePixmap
+    QX11PixmapData *pixmapData = static_cast<QX11PixmapData*>(backingX11Pixmap->data_ptr().data());
+    Q_ASSERT(pixmapData->classId() == QPixmapData::X11Class);
+    bool hasAlpha = pixmapData->hasAlphaChannel();
+
+    if (pixmapData->gl_surface &&
+        hasAlpha == (pixmapData->flags & QX11PixmapData::GlSurfaceCreatedWithAlpha))
+        return pixmapData->gl_surface;
+
+    // Check to see if the surface is still valid
+    if (pixmapData->gl_surface &&
+        hasAlpha != ((pixmapData->flags & QX11PixmapData::GlSurfaceCreatedWithAlpha) > 0)) {
+        // Surface is invalid!
+        destroySurfaceForPixmapData(pixmapData);
+    }
+
+    if (pixmapData->gl_surface == 0) {
+        EGLConfig config = QEgl::defaultConfig(QInternal::Pixmap,
+                                               QEgl::OpenGL,
+                                               hasAlpha ? QEgl::Translucent : QEgl::NoOptions);
+
+        pixmapData->gl_surface = (void*)QEgl::createSurface(backingX11Pixmap, config);
+
+        if (hasAlpha)
+            pixmapData->flags |= QX11PixmapData::GlSurfaceCreatedWithAlpha;
+        else
+            pixmapData->flags &= ~QX11PixmapData::GlSurfaceCreatedWithAlpha;
+
+        if (pixmapData->gl_surface == (void*)EGL_NO_SURFACE)
+            return NULL;
+    }
+
+    return pixmapData->gl_surface;
+}
+
+void QMeeGoLivePixmapData::destroySurfaceForPixmapData(QPixmapData* pmd)
+{
+    Q_ASSERT(pmd->classId() == QPixmapData::X11Class);
+    QX11PixmapData *pixmapData = static_cast<QX11PixmapData*>(pmd);
+    if (pixmapData->gl_surface) {
+        eglDestroySurface(QEgl::display(), (EGLSurface)pixmapData->gl_surface);
+        pixmapData->gl_surface = 0;
+    }
+}
diff --git a/src/plugins/graphicssystems/meego/qmeegolivepixmapdata.h b/src/plugins/graphicssystems/meego/qmeegolivepixmapdata.h
new file mode 100644
index 0000000..1d647f0
--- /dev/null
+++ b/src/plugins/graphicssystems/meego/qmeegolivepixmapdata.h
@@ -0,0 +1,70 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef MLIVEPIXMAPDATA_H
+#define MLIVEPIXMAPDATA_H
+
+#include <private/qpixmapdata_gl_p.h>
+
+class QMeeGoLivePixmapData : public QGLPixmapData
+{
+public:
+    QMeeGoLivePixmapData(int w, int h, QImage::Format format);
+    QMeeGoLivePixmapData(Qt::HANDLE h);
+    ~QMeeGoLivePixmapData();
+    
+    QPixmapData *createCompatiblePixmapData() const;
+    bool scroll(int dx, int dy, const QRect &rect);
+
+    void initializeThroughEGLImage();
+        
+    QImage* lock();
+    bool release(QImage *img);
+    Qt::HANDLE handle();
+    
+    EGLSurface getSurfaceForBackingPixmap();
+    void destroySurfaceForPixmapData(QPixmapData* pmd);
+
+    QPixmap *backingX11Pixmap;
+    QImage lockedImage;
+};
+
+#endif
diff --git a/src/plugins/graphicssystems/meego/qmeegopixmapdata.cpp b/src/plugins/graphicssystems/meego/qmeegopixmapdata.cpp
index 08c2656..0899f2d 100644
--- a/src/plugins/graphicssystems/meego/qmeegopixmapdata.cpp
+++ b/src/plugins/graphicssystems/meego/qmeegopixmapdata.cpp
@@ -106,34 +106,6 @@ void QMeeGoPixmapData::fromImage(const QImage &image,
     }
 }
 
-void QMeeGoPixmapData::fromEGLImage(Qt::HANDLE handle)
-{
-    QGLShareContextScope ctx(qt_gl_share_widget()->context());
-    QMeeGoExtensions::ensureInitialized();
- 
-    bool textureIsBound = false;
-    GLuint newTextureId;
-    GLint newWidth, newHeight;
-
-    glGenTextures(1, &newTextureId);
-    glBindTexture(GL_TEXTURE_2D, newTextureId);
-   
-    glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, (EGLImageKHR) handle);
-    GLint err = glGetError();
-    if (err == GL_NO_ERROR)
-        textureIsBound = true;
-        
-    QMeeGoExtensions::eglQueryImageNOK(QEgl::display(), (EGLImageKHR) handle, EGL_WIDTH, &newWidth);
-    QMeeGoExtensions::eglQueryImageNOK(QEgl::display(), (EGLImageKHR) handle, EGL_HEIGHT, &newHeight);
-          
-    if (textureIsBound) {
-        fromTexture(newTextureId, newWidth, newHeight, true); 
-    } else {
-        qWarning("Failed to create a texture from an egl image!");
-        glDeleteTextures(1, &newTextureId);
-    }
-}
-
 void QMeeGoPixmapData::fromEGLSharedImage(Qt::HANDLE handle, const QImage &si)
 {
     if (si.isNull())
diff --git a/src/plugins/graphicssystems/meego/qmeegopixmapdata.h b/src/plugins/graphicssystems/meego/qmeegopixmapdata.h
index 649556d..c66e719 100644
--- a/src/plugins/graphicssystems/meego/qmeegopixmapdata.h
+++ b/src/plugins/graphicssystems/meego/qmeegopixmapdata.h
@@ -57,7 +57,6 @@ public:
     void fromTexture(GLuint textureId, int w, int h, bool alpha);
     QPixmapData *createCompatiblePixmapData() const;
 
-    virtual void fromEGLImage(Qt::HANDLE handle);
     virtual void fromEGLSharedImage(Qt::HANDLE handle, const QImage &softImage);
     virtual void fromImage (const QImage &image, Qt::ImageConversionFlags flags);
     virtual QImage toImage() const;