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

@@ -350,6 +350,7 @@ }
 
 void PainterGL::resize(const QSize& size) {
 	m_size = size;
+	m_window->setSize(m_size);
 	if (m_started && !m_active) {
 		forceDraw();
 	}

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

@@ -29,6 +29,8 @@ #include "VideoProxy.h"
 
 #include "platform/video-backend.h"
 
+class QOpenGLPaintDevice;
+
 namespace QGBA {
 
 class PainterGL;
@@ -119,7 +121,7 @@ QQueue<uint32_t*> m_queue;
 	QPainter m_painter;
 	QMutex m_mutex;
 	QWindow* m_surface;
-	QPaintDevice* m_window;
+	QOpenGLPaintDevice* m_window;
 	QOpenGLContext* m_gl;
 	bool m_active = false;
 	bool m_started = false;