qt/0274-shm-native-image-fix.patch
2009-10-27 01:20:17 +00:00

89 lines
4.8 KiB
Diff

diff -up qt-x11-opensource-src-4.5.3/src/gui/image/qnativeimage.cpp.me qt-x11-opensource-src-4.5.3/src/gui/image/qnativeimage.cpp
--- qt-x11-opensource-src-4.5.3/src/gui/image/qnativeimage.cpp.me 2009-10-02 18:26:02.000000000 +0200
+++ qt-x11-opensource-src-4.5.3/src/gui/image/qnativeimage.cpp 2009-10-02 18:27:13.000000000 +0200
@@ -144,7 +144,7 @@ QImage::Format QNativeImage::systemForma
#elif defined(Q_WS_X11) && !defined(QT_NO_MITSHM)
QNativeImage::QNativeImage(int width, int height, QImage::Format format,bool /* isTextBuffer */, QWidget *widget)
- : xshmimg(0), xshmpm(0)
+ : xshmimg(0)
{
if (!X11->use_mitshm) {
image = QImage(width, height, format);
@@ -195,11 +195,6 @@ QNativeImage::QNativeImage(int width, in
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.";
- }
}
@@ -208,10 +203,6 @@ QNativeImage::~QNativeImage()
if (!xshmimg)
return;
- if (xshmpm) {
- XFreePixmap(X11->display, xshmpm);
- xshmpm = 0;
- }
XShmDetach(X11->display, &xshminfo);
xshmimg->data = 0;
XDestroyImage(xshmimg);
diff -up qt-x11-opensource-src-4.5.3/src/gui/image/qnativeimage_p.h.me qt-x11-opensource-src-4.5.3/src/gui/image/qnativeimage_p.h
--- qt-x11-opensource-src-4.5.3/src/gui/image/qnativeimage_p.h.me 2009-10-02 18:33:38.000000000 +0200
+++ qt-x11-opensource-src-4.5.3/src/gui/image/qnativeimage_p.h 2009-10-02 18:34:01.000000000 +0200
@@ -90,7 +90,6 @@ public:
#elif defined(Q_WS_X11) && !defined(QT_NO_MITSHM)
XImage *xshmimg;
- Pixmap xshmpm;
XShmSegmentInfo xshminfo;
#elif defined(Q_WS_MAC)
diff -up qt-x11-opensource-src-4.5.3/src/gui/kernel/qapplication_x11.cpp.me qt-x11-opensource-src-4.5.3/src/gui/kernel/qapplication_x11.cpp
--- qt-x11-opensource-src-4.5.3/src/gui/kernel/qapplication_x11.cpp.me 2009-10-02 18:27:55.000000000 +0200
+++ qt-x11-opensource-src-4.5.3/src/gui/kernel/qapplication_x11.cpp 2009-10-02 18:33:30.000000000 +0200
@@ -1959,12 +1959,9 @@ void qt_init(QApplicationPrivate *priv,
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);
}
}
#endif // QT_NO_MITSHM
diff -up qt-x11-opensource-src-4.5.3/src/gui/painting/qwindowsurface_raster.cpp.me qt-x11-opensource-src-4.5.3/src/gui/painting/qwindowsurface_raster.cpp
--- qt-x11-opensource-src-4.5.3/src/gui/painting/qwindowsurface_raster.cpp.me 2009-10-02 18:34:18.000000000 +0200
+++ qt-x11-opensource-src-4.5.3/src/gui/painting/qwindowsurface_raster.cpp 2009-10-02 18:35:54.000000000 +0200
@@ -220,9 +220,16 @@ void QRasterWindowSurface::flush(QWidget
QRect br = rgn.boundingRect().translated(offset);
#ifndef QT_NO_MITSHM
- if (d_ptr->image->xshmpm) {
- XCopyArea(X11->display, d_ptr->image->xshmpm, widget->handle(), d_ptr->gc,
- br.x(), br.y(), br.width(), br.height(), wbr.x(), wbr.y());
+ if (d_ptr->image->xshmimg && (br.width() * br.height() > 65536)) {
+ const QImage &src = d->image->image;
+ br = br.intersected(src.rect());
+ // Hack to make sure we satisify the PutImage() constraints in the X server,
+ // since the doShmPutImage() route currently forces a migration to system ram.
+ wbr.setX(wbr.x() - br.x());
+ br.setX(0);
+ br.setWidth(src.width());
+ 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