diff options
Diffstat (limited to 'src/gui/opengl/qopengldebug.cpp')
-rw-r--r-- | src/gui/opengl/qopengldebug.cpp | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/gui/opengl/qopengldebug.cpp b/src/gui/opengl/qopengldebug.cpp index 24aa6094dd..f6c3af37dd 100644 --- a/src/gui/opengl/qopengldebug.cpp +++ b/src/gui/opengl/qopengldebug.cpp @@ -42,6 +42,7 @@ #include <QtCore/qvarlengtharray.h> #include <QtGui/qopengl.h> #include <QtGui/qopenglfunctions.h> +#include <QtGui/qoffscreensurface.h> #include "qopengldebug.h" @@ -1287,8 +1288,41 @@ void QOpenGLDebugLoggerPrivate::controlDebugMessages(QOpenGLDebugMessage::Source */ void QOpenGLDebugLoggerPrivate::_q_contextAboutToBeDestroyed() { + Q_ASSERT(context); + + // Re-make our context current somehow, otherwise stopLogging will fail. + + // Save the current context and its surface in case we need to set them back + QOpenGLContext *currentContext = QOpenGLContext::currentContext(); + QSurface *currentSurface = 0; + + QScopedPointer<QOffscreenSurface> offscreenSurface; + + if (context != currentContext) { + // Make our old context current on a temporary surface + if (currentContext) + currentSurface = currentContext->surface(); + + offscreenSurface.reset(new QOffscreenSurface); + offscreenSurface->setFormat(context->format()); + offscreenSurface->create(); + if (!context->makeCurrent(offscreenSurface.data())) + qWarning("QOpenGLDebugLoggerPrivate::_q_contextAboutToBeDestroyed(): could not make the owning GL context current for cleanup"); + } + Q_Q(QOpenGLDebugLogger); q->stopLogging(); + + if (offscreenSurface) { + // We did change the current context: set it back + if (currentContext) + currentContext->makeCurrent(currentSurface); + else + context->doneCurrent(); + } + + QObject::disconnect(context, SIGNAL(aboutToBeDestroyed()), q, SLOT(_q_contextAboutToBeDestroyed())); + context = 0; initialized = false; } @@ -1494,6 +1528,12 @@ void QOpenGLDebugLogger::stopLogging() if (!d->isLogging) return; + QOpenGLContext *currentContext = QOpenGLContext::currentContext(); + if (!currentContext || currentContext != d->context) { + qWarning("QOpenGLDebugLogger::stopLogging(): attempting to stop logging with the wrong OpenGL context current"); + return; + } + d->isLogging = false; d->glDebugMessageCallback(d->oldDebugCallbackFunction, d->oldDebugCallbackParameter); |