diff options
Diffstat (limited to 'src/quick/scenegraph/qsgrenderloop.cpp')
| -rw-r--r-- | src/quick/scenegraph/qsgrenderloop.cpp | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/src/quick/scenegraph/qsgrenderloop.cpp b/src/quick/scenegraph/qsgrenderloop.cpp index 87dd521807..68947d3a3c 100644 --- a/src/quick/scenegraph/qsgrenderloop.cpp +++ b/src/quick/scenegraph/qsgrenderloop.cpp @@ -199,13 +199,15 @@ QSGRenderLoop *QSGRenderLoop::instance() else if (qmlForceThreadedRenderer()) loopType = ThreadedRenderLoop; - const QByteArray loopName = qgetenv("QSG_RENDER_LOOP"); - if (loopName == QByteArrayLiteral("windows")) - loopType = WindowsRenderLoop; - else if (loopName == QByteArrayLiteral("basic")) - loopType = BasicRenderLoop; - else if (loopName == QByteArrayLiteral("threaded")) - loopType = ThreadedRenderLoop; + if (Q_UNLIKELY(qEnvironmentVariableIsSet("QSG_RENDER_LOOP"))) { + const QByteArray loopName = qgetenv("QSG_RENDER_LOOP"); + if (loopName == QByteArrayLiteral("windows")) + loopType = WindowsRenderLoop; + else if (loopName == QByteArrayLiteral("basic")) + loopType = BasicRenderLoop; + else if (loopName == QByteArrayLiteral("threaded")) + loopType = ThreadedRenderLoop; + } switch (loopType) { case ThreadedRenderLoop: |