M src/platform/qt/DisplayGL.cpp → src/platform/qt/DisplayGL.cpp

@@ -318,15 +318,6 @@ void PainterGL::draw() {
 	if (m_queue.isEmpty() || !mCoreThreadIsActive(m_context)) {
 		return;
 	}
-	if (!m_delayTimer.isValid()) {
-		m_delayTimer.start();
-	} else if (m_delayTimer.elapsed() < 16) {
-		QMetaObject::invokeMethod(this, "draw", Qt::QueuedConnection);
-		QThread::usleep(500);
-		return;
-	} else {
-		m_delayTimer.restart();
-	}
 
 	if (mCoreSyncWaitFrameStart(&m_context->sync) || !m_queue.isEmpty()) {
 		dequeue();
@@ -335,6 +326,14 @@ m_painter.begin(m_gl->context()->device());
 		performDraw();
 		m_painter.end();
 		m_backend->swap(m_backend);
+		if (!m_delayTimer.isValid()) {
+			m_delayTimer.start();
+		} else {
+			while (m_delayTimer.elapsed() < 15) {
+				QThread::usleep(100);
+			}
+			m_delayTimer.restart();
+		}
 	} else {
 		mCoreSyncWaitFrameEnd(&m_context->sync);
 	}