From bdb584a39849899db5062f0894058c7783860381 Mon Sep 17 00:00:00 2001
From: Vicki Pfau <vi@endrift.com>
Date: Mon, 20 May 2019 19:12:45 -0700
Subject: [PATCH] Qt: Fix GL scaling

---
 src/platform/qt/CoreController.cpp | 1 +
 src/platform/qt/CoreController.h   | 1 +
 src/platform/qt/DisplayGL.cpp      | 1 +
 3 files changed, 3 insertions(+)

diff --git a/src/platform/qt/CoreController.cpp b/src/platform/qt/CoreController.cpp
index bd12de40d81..d073ac654b2 100644
--- a/src/platform/qt/CoreController.cpp
+++ b/src/platform/qt/CoreController.cpp
@@ -86,6 +86,7 @@ CoreController::CoreController(mCore* core, QObject* parent)
 			context->core->setVideoBuffer(context->core, reinterpret_cast<color_t*>(controller->m_activeBuffer->data()), controller->screenDimensions().width());
 		}
 
+		QMetaObject::invokeMethod(controller, "didReset");
 		controller->finishFrame();
 	};
 
diff --git a/src/platform/qt/CoreController.h b/src/platform/qt/CoreController.h
index e31602117dc..59fd37ee59f 100644
--- a/src/platform/qt/CoreController.h
+++ b/src/platform/qt/CoreController.h
@@ -170,6 +170,7 @@ public slots:
 	void crashed(const QString& errorMessage);
 	void failed();
 	void frameAvailable();
+	void didReset();
 	void stateLoaded();
 	void rewound();
 
diff --git a/src/platform/qt/DisplayGL.cpp b/src/platform/qt/DisplayGL.cpp
index 3bba105e38f..4bbb5a5750b 100644
--- a/src/platform/qt/DisplayGL.cpp
+++ b/src/platform/qt/DisplayGL.cpp
@@ -108,6 +108,7 @@ void DisplayGL::startDrawing(std::shared_ptr<CoreController> controller) {
 	messagePainter()->resize(size(), isAspectRatioLocked(), devicePixelRatio());
 #endif
 	resizePainter();
+	connect(m_context.get(), &CoreController::didReset, this, &DisplayGL::resizeContext);
 }
 
 void DisplayGL::stopDrawing() {