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-rw-r--r--src/gui/image/qnativeimage.cpp10
-rw-r--r--src/gui/kernel/qapplication_x11.cpp14
-rw-r--r--src/gui/kernel/qt_x11_p.h1
-rw-r--r--src/gui/painting/qwindowsurface_raster.cpp6
4 files changed, 21 insertions, 10 deletions
diff --git a/src/gui/image/qnativeimage.cpp b/src/gui/image/qnativeimage.cpp
index 88faea8..e4ea2e9 100644
--- a/src/gui/image/qnativeimage.cpp
+++ b/src/gui/image/qnativeimage.cpp
@@ -199,10 +199,12 @@ QNativeImage::QNativeImage(int width, int height, QImage::Format format,bool /*
shmctl(xshminfo.shmid, IPC_RMID, 0);
return;
}
- xshmpm = XShmCreatePixmap(X11->display, DefaultRootWindow(X11->display), xshmimg->data,
- &xshminfo, width, height, dd);
- if (!xshmpm) {
- qWarning() << "QNativeImage: Unable to create shared Pixmap.";
+ if (X11->use_mitshm_pixmaps) {
+ xshmpm = XShmCreatePixmap(X11->display, DefaultRootWindow(X11->display), xshmimg->data,
+ &xshminfo, width, height, dd);
+ if (!xshmpm) {
+ qWarning() << "QNativeImage: Unable to create shared Pixmap.";
+ }
}
}
diff --git a/src/gui/kernel/qapplication_x11.cpp b/src/gui/kernel/qapplication_x11.cpp
index bf95684..7f11faa 100644
--- a/src/gui/kernel/qapplication_x11.cpp
+++ b/src/gui/kernel/qapplication_x11.cpp
@@ -1625,6 +1625,7 @@ void qt_init(QApplicationPrivate *priv, int,
// MIT-SHM
X11->use_mitshm = false;
+ X11->use_mitshm_pixmaps = false;
X11->mitshm_major = 0;
X11->sip_serial = 0;
@@ -1918,12 +1919,13 @@ void qt_init(QApplicationPrivate *priv, int,
bool local = displayName.isEmpty() || displayName.lastIndexOf(QLatin1Char(':')) == 0;
if (local && (qgetenv("QT_X11_NO_MITSHM").toInt() == 0)) {
Visual *defaultVisual = DefaultVisual(X11->display, DefaultScreen(X11->display));
- X11->use_mitshm = mitshm_pixmaps && ((defaultVisual->red_mask == 0xff0000
- || defaultVisual->red_mask == 0xf800)
- && (defaultVisual->green_mask == 0xff00
- || defaultVisual->green_mask == 0x7e0)
- && (defaultVisual->blue_mask == 0xff
- || defaultVisual->blue_mask == 0x1f));
+ X11->use_mitshm = ((defaultVisual->red_mask == 0xff0000
+ || defaultVisual->red_mask == 0xf800)
+ && (defaultVisual->green_mask == 0xff00
+ || defaultVisual->green_mask == 0x7e0)
+ && (defaultVisual->blue_mask == 0xff
+ || defaultVisual->blue_mask == 0x1f));
+ X11->use_mitshm_pixmaps = X11->use_mitshm && mitshm_pixmaps;
}
}
#endif // QT_NO_MITSHM
diff --git a/src/gui/kernel/qt_x11_p.h b/src/gui/kernel/qt_x11_p.h
index 61acbac..9f08dc6 100644
--- a/src/gui/kernel/qt_x11_p.h
+++ b/src/gui/kernel/qt_x11_p.h
@@ -428,6 +428,7 @@ struct QX11Data
// true if Qt is compiled w/ MIT-SHM support and MIT-SHM is supported on the connected Display
bool use_mitshm;
+ bool use_mitshm_pixmaps;
int mitshm_major;
// true if Qt is compiled w/ Tablet support and we have a tablet.
diff --git a/src/gui/painting/qwindowsurface_raster.cpp b/src/gui/painting/qwindowsurface_raster.cpp
index 3a118bd..d412040 100644
--- a/src/gui/painting/qwindowsurface_raster.cpp
+++ b/src/gui/painting/qwindowsurface_raster.cpp
@@ -215,6 +215,12 @@ void QRasterWindowSurface::flush(QWidget *widget, const QRegion &rgn, const QPoi
XCopyArea(X11->display, d_ptr->image->xshmpm, widget->handle(), d_ptr->gc,
br.x(), br.y(), br.width(), br.height(), wbr.x(), wbr.y());
XSync(X11->display, False);
+ } else if (d_ptr->image->xshmimg) {
+ const QImage &src = d->image->image;
+ br = br.intersected(src.rect());
+ XShmPutImage(X11->display, widget->handle(), d_ptr->gc, d_ptr->image->xshmimg,
+ br.x(), br.y(), wbr.x(), wbr.y(), br.width(), br.height(), False);
+ XSync(X11->display, False);
} else
#endif
{