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Diffstat (limited to 'src/opengl/qwindowsurface_gl.cpp')
-rw-r--r--src/opengl/qwindowsurface_gl.cpp23
1 files changed, 17 insertions, 6 deletions
diff --git a/src/opengl/qwindowsurface_gl.cpp b/src/opengl/qwindowsurface_gl.cpp
index d602000..f98dcff 100644
--- a/src/opengl/qwindowsurface_gl.cpp
+++ b/src/opengl/qwindowsurface_gl.cpp
@@ -190,7 +190,10 @@ public:
QGLWidget *shareWidget() {
if (!initializing && !widget && !cleanedUp) {
initializing = true;
- widget = new QGLWidget;
+
+ widget = new QGLWidget(QGLFormat(QGL::SingleBuffer | QGL::NoDepthBuffer | QGL::NoStencilBuffer));
+ widget->resize(1, 1);
+
// We dont need this internal widget to appear in QApplication::topLevelWidgets()
if (QWidgetPrivate::allWidgets)
QWidgetPrivate::allWidgets->remove(widget);
@@ -342,12 +345,14 @@ QGLWindowSurface::~QGLWindowSurface()
void QGLWindowSurface::deleted(QObject *object)
{
- // Make sure that the fbo is destroyed before destroying its context.
- delete d_ptr->fbo;
- d_ptr->fbo = 0;
-
QWidget *widget = qobject_cast<QWidget *>(object);
if (widget) {
+ if (widget == window()) {
+ // Make sure that the fbo is destroyed before destroying its context.
+ delete d_ptr->fbo;
+ d_ptr->fbo = 0;
+ }
+
QWidgetPrivate *widgetPrivate = widget->d_func();
if (widgetPrivate->extraData()) {
union { QGLContext **ctxPtr; void **voidPtr; };
@@ -419,6 +424,8 @@ QPaintDevice *QGLWindowSurface::paintDevice()
QGLContext *ctx = reinterpret_cast<QGLContext *>(window()->d_func()->extraData()->glContext);
ctx->makeCurrent();
+
+ Q_ASSERT(d_ptr->fbo);
return d_ptr->fbo;
}
@@ -574,7 +581,9 @@ void QGLWindowSurface::flush(QWidget *widget, const QRegion &rgn, const QPoint &
const int ty1 = parent->height() - rect.top();
if (window() == parent || d_ptr->fbo->format().samples() <= 1) {
- // glBindFramebuffer(GL_DRAW_FRAMEBUFFER_EXT, 0);
+ if (ctx->d_ptr->current_fbo != 0)
+ glBindFramebuffer(GL_DRAW_FRAMEBUFFER_EXT, 0);
+
glBindFramebuffer(GL_READ_FRAMEBUFFER_EXT, d_ptr->fbo->handle());
glBlitFramebufferEXT(sx0, sy0, sx1, sy1,
@@ -607,6 +616,8 @@ void QGLWindowSurface::flush(QWidget *widget, const QRegion &rgn, const QPoint &
qgl_fbo_pool()->release(temp);
}
+
+ ctx->d_ptr->current_fbo = 0;
}
#if !defined(QT_OPENGL_ES_2)
else {