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-rw-r--r--src/gui/kernel/qclipboard_win.cpp15
-rw-r--r--src/opengl/qgl_egl.cpp27
-rw-r--r--src/plugins/graphicssystems/meego/qmeegographicssystem.cpp39
3 files changed, 76 insertions, 5 deletions
diff --git a/src/gui/kernel/qclipboard_win.cpp b/src/gui/kernel/qclipboard_win.cpp
index 52b9663..ea41165 100644
--- a/src/gui/kernel/qclipboard_win.cpp
+++ b/src/gui/kernel/qclipboard_win.cpp
@@ -52,6 +52,7 @@
#include "qt_windows.h"
#include "qdnd_p.h"
#include <private/qwidget_p.h>
+#include <private/qsystemlibrary_p.h>
QT_BEGIN_NAMESPACE
@@ -70,6 +71,9 @@ void QtCeFlushClipboard();
#endif
+typedef BOOL (WINAPI *PtrIsHungAppWindow)(HWND);
+
+static PtrIsHungAppWindow ptrIsHungAppWindow = 0;
class QClipboardWatcher : public QInternalMimeData {
public:
@@ -327,9 +331,16 @@ bool QClipboard::event(QEvent *e)
d->releaseIData();
propagate = true;
}
-
if (propagate && d->nextClipboardViewer) {
- SendMessage(d->nextClipboardViewer, m->message, m->wParam, m->lParam);
+ if (ptrIsHungAppWindow == 0) {
+ QSystemLibrary library(QLatin1String("User32"));
+ ptrIsHungAppWindow = (PtrIsHungAppWindow)library.resolve("IsHungAppWindow");
+ }
+ if (ptrIsHungAppWindow && ptrIsHungAppWindow(d->nextClipboardViewer)) {
+ qWarning("%s: Cowardly refusing to send clipboard message to hung application...", Q_FUNC_INFO);
+ } else {
+ SendMessage(d->nextClipboardViewer, m->message, m->wParam, m->lParam);
+ }
}
return true;
diff --git a/src/opengl/qgl_egl.cpp b/src/opengl/qgl_egl.cpp
index 674d80d..d6b2d3b 100644
--- a/src/opengl/qgl_egl.cpp
+++ b/src/opengl/qgl_egl.cpp
@@ -39,6 +39,7 @@
**
****************************************************************************/
+#include <QtCore/qdebug.h>
#include <QtOpenGL/qgl.h>
#include <QtOpenGL/qglpixelbuffer.h>
#include "qgl_p.h"
@@ -195,6 +196,7 @@ void QGLContext::makeCurrent()
// PowerVR MBX/SGX chips needs to clear all buffers when starting to render
// a new frame, otherwise there will be a performance penalty to pay for
// each frame.
+ qDebug() << "Found SGX/MBX driver, enabling FullClearOnEveryFrame";
d->workaround_needsFullClearOnEveryFrame = true;
// Older PowerVR SGX drivers (like the one in the N900) have a
@@ -202,10 +204,31 @@ void QGLContext::makeCurrent()
// or GL_ALPHA texture bound to an FBO. The only way to
// identify that driver is to check the EGL version number for it.
const char *egl_version = eglQueryString(d->eglContext->display(), EGL_VERSION);
- if (egl_version && strstr(egl_version, "1.3"))
+
+ if (egl_version && strstr(egl_version, "1.3")) {
+ qDebug() << "Found v1.3 driver, enabling brokenFBOReadBack";
d->workaround_brokenFBOReadBack = true;
- else if (egl_version && strstr(egl_version, "1.4"))
+ } else if (egl_version && strstr(egl_version, "1.4")) {
+ qDebug() << "Found v1.4 driver, enabling brokenTexSubImage";
d->workaround_brokenTexSubImage = true;
+
+ // this is a bit complicated; 1.4 version SGX drivers from
+ // Nokia have fixed the brokenFBOReadBack problem, but
+ // official drivers from TI haven't, meaning that things
+ // like the beagleboard are broken unless we hack around it
+ // - but at the same time, we want to not reduce performance
+ // by not enabling this elsewhere.
+ //
+ // so, let's check for a Nokia-specific addon, and only
+ // enable if it isn't present.
+ // (see MeeGo bug #5616)
+ if (!QEgl::hasExtension("EGL_NOK_image_shared")) {
+ // no Nokia extension, this is probably a standard SGX
+ // driver, so enable the workaround
+ qDebug() << "Found non-Nokia v1.4 driver, enabling brokenFBOReadBack";
+ d->workaround_brokenFBOReadBack = true;
+ }
+ }
}
}
}
diff --git a/src/plugins/graphicssystems/meego/qmeegographicssystem.cpp b/src/plugins/graphicssystems/meego/qmeegographicssystem.cpp
index 18a0944..cb66695 100644
--- a/src/plugins/graphicssystems/meego/qmeegographicssystem.cpp
+++ b/src/plugins/graphicssystems/meego/qmeegographicssystem.cpp
@@ -59,6 +59,8 @@
#include "qmeegographicssystem.h"
#include "qmeegoextensions.h"
+#include <QTimer>
+
bool QMeeGoGraphicsSystem::surfaceWasCreated = false;
QHash <Qt::HANDLE, QPixmap*> QMeeGoGraphicsSystem::liveTexturePixmaps;
@@ -85,8 +87,12 @@ public:
void addWidget(QWidget *widget);
bool eventFilter(QObject *, QEvent *);
+ void handleMapNotify();
+
private slots:
void removeWidget(QObject *object);
+ void switchToRaster();
+ void switchToMeeGo();
private:
int visibleWidgets() const;
@@ -95,22 +101,46 @@ private:
QList<QWidget *> m_widgets;
};
+typedef bool(*QX11FilterFunction)(XEvent *event);
+Q_GUI_EXPORT void qt_installX11EventFilter(QX11FilterFunction func);
+
+static bool x11EventFilter(XEvent *event);
+
QMeeGoGraphicsSystemSwitchHandler::QMeeGoGraphicsSystemSwitchHandler()
{
+ qt_installX11EventFilter(x11EventFilter);
}
void QMeeGoGraphicsSystemSwitchHandler::addWidget(QWidget *widget)
{
- if (!m_widgets.contains(widget)) {
+ if (widget != qt_gl_share_widget() && !m_widgets.contains(widget)) {
widget->installEventFilter(this);
connect(widget, SIGNAL(destroyed(QObject *)), this, SLOT(removeWidget(QObject *)));
m_widgets << widget;
}
}
+void QMeeGoGraphicsSystemSwitchHandler::handleMapNotify()
+{
+ if (m_widgets.isEmpty())
+ QTimer::singleShot(0, this, SLOT(switchToMeeGo()));
+}
+
void QMeeGoGraphicsSystemSwitchHandler::removeWidget(QObject *object)
{
m_widgets.removeOne(static_cast<QWidget *>(object));
+ if (m_widgets.isEmpty())
+ QTimer::singleShot(0, this, SLOT(switchToRaster()));
+}
+
+void QMeeGoGraphicsSystemSwitchHandler::switchToRaster()
+{
+ QMeeGoGraphicsSystem::switchToRaster();
+}
+
+void QMeeGoGraphicsSystemSwitchHandler::switchToMeeGo()
+{
+ QMeeGoGraphicsSystem::switchToMeeGo();
}
int QMeeGoGraphicsSystemSwitchHandler::visibleWidgets() const
@@ -148,6 +178,13 @@ bool QMeeGoGraphicsSystemSwitchHandler::eventFilter(QObject *object, QEvent *eve
Q_GLOBAL_STATIC(QMeeGoGraphicsSystemSwitchHandler, switch_handler)
+bool x11EventFilter(XEvent *event)
+{
+ if (event->type == MapNotify)
+ switch_handler()->handleMapNotify();
+ return false;
+}
+
QWindowSurface* QMeeGoGraphicsSystem::createWindowSurface(QWidget *widget) const
{
QGLWidget *shareWidget = qt_gl_share_widget();