void qt_vg_hibernate_pixmaps(QVGSharedContext *shared)
{
// Artificially increase the reference count to prevent the
// context from being destroyed until after we have finished
// the hibernation process.
++(shared->refCount);
// We need a context current to hibernate the VGImage objects.
shared->context->makeCurrent(qt_vg_shared_surface());
// Scan all QVGPixmapData objects in the system and hibernate them.
QVGPixmapData *pd = shared->firstPixmap;
while (pd != 0) {
pd->hibernate();
pd = pd->next;
}
// Hibernate any remaining VGImage's in the image pool.
QVGImagePool::instance()->hibernate();
// Don't need the current context any more.
shared->context->lazyDoneCurrent();
// Decrease the reference count and destroy the context if necessary.
if (--(shared->refCount) <= 0)
qt_vg_destroy_shared_context(shared);
}
void tst_NativeImageHandleProvider::hibernate()
{
#if defined(Q_OS_SYMBIAN) && !defined(QT_NO_OPENVG)
QPixmap tmp(10, 20);
if (tmp.pixmapData()->classId() == QPixmapData::OpenVGClass) {
BitmapProvider prov;
prov.bmp = new CFbsBitmap;
QCOMPARE(prov.bmp->Create(TSize(prov.w, prov.h), EColor16MAP), KErrNone);
QPixmap pm = pixmapFromNativeImageHandleProvider(&prov);
QCOMPARE(prov.refCount, 1);
QVGPixmapData *vgpd = static_cast<QVGPixmapData *>(pm.pixmapData());
vgpd->hibernate();
QCOMPARE(prov.refCount, 0);
// Calling toVGImage() may cause some warnings as we don't have a gui initialized,
// but the only thing we care about here is get() being called.
vgpd->toVGImage();
QCOMPARE(prov.refCount, 1);
pm = QPixmap();
QCOMPARE(prov.refCount, 0);
delete prov.bmp;
} else {
QSKIP("Not openvg", SkipSingle);
}
#else
QSKIP("Not applicable", SkipSingle);
#endif
}
void QVGImagePool::hibernate()
{
Q_D(QVGImagePool);
QVGPixmapData *pd = d->lruLast;
while (pd) {
QVGPixmapData *prevLRU = pd->prevLRU;
pd->inImagePool = false;
pd->inLRU = false;
pd->nextLRU = 0;
pd->prevLRU = 0;
pd->hibernate();
pd = prevLRU;
}
d->lruFirst = 0;
d->lruLast = 0;
}