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

@@ -42,6 +42,7 @@ m_painter = new Painter(this);
 	m_painter->setContext(thread);
 	m_painter->setBacking(buffer);
 	m_painter->moveToThread(m_drawThread);
+	m_context = thread;
 	doneCurrent();
 	context()->moveToThread(m_drawThread);
 	connect(m_drawThread, SIGNAL(started()), m_painter, SLOT(start()));
@@ -50,9 +51,13 @@ }
 
 void Display::stopDrawing() {
 	if (m_drawThread) {
+		GBAThreadInterrupt(m_context);
+		GBASyncSuspendDrawing(&m_context->sync);
 		QMetaObject::invokeMethod(m_painter, "stop", Qt::BlockingQueuedConnection);
 		m_drawThread->exit();
 		m_drawThread = nullptr;
+		GBASyncResumeDrawing(&m_context->sync);
+		GBAThreadContinue(m_context);
 	}
 }
 
@@ -70,7 +75,11 @@ }
 
 void Display::resizeEvent(QResizeEvent* event) {
 	if (m_drawThread) {
+		GBAThreadInterrupt(m_context);
+		GBASyncSuspendDrawing(&m_context->sync);
 		QMetaObject::invokeMethod(m_painter, "resize", Qt::BlockingQueuedConnection, Q_ARG(QSize, event->size()));
+		GBASyncResumeDrawing(&m_context->sync);
+		GBAThreadContinue(m_context);
 	}
 }
 

M src/platform/qt/Display.h → src/platform/qt/Display.h

@@ -29,6 +29,7 @@
 private:
 	Painter* m_painter;
 	QThread* m_drawThread;
+	GBAThread* m_context;
 };
 
 class Painter : public QObject {

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

@@ -215,7 +215,6 @@
 void GameController::loadState(int slot) {
 	GBAThreadInterrupt(&m_threadContext);
 	GBALoadState(m_threadContext.gba, m_threadContext.stateDir, slot);
-	ConditionWake(&m_threadContext.sync.videoFrameAvailableCond); // Hack: wake up the drawing thread
 	GBAThreadContinue(&m_threadContext);
 	emit stateLoaded(&m_threadContext);
 	emit frameAvailable(m_drawContext);