diff -r b273b43b16d2 -r 8354b390f1a2 qmlfrontend/game_view.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qmlfrontend/game_view.cpp	Wed Nov 07 15:59:51 2018 +0100
@@ -0,0 +1,87 @@
+#include "gameview.h"
+
+#include <QtQuick/qquickwindow.h>
+#include <QCursor>
+#include <QTimer>
+#include <QtGui/QOpenGLContext>
+#include <QtGui/QOpenGLShaderProgram>
+
+#include "flib.h"
+
+extern "C" {
+extern GameTick_t* flibGameTick;
+extern ResizeWindow_t* flibResizeWindow;
+extern updateMousePosition_t* flibUpdateMousePosition;
+}
+
+GameView::GameView() : m_delta(0), m_renderer(nullptr), m_windowChanged(true) {
+  connect(this, &QQuickItem::windowChanged, this,
+          &GameView::handleWindowChanged);
+}
+
+void GameView::tick(quint32 delta) {
+  m_delta = delta;
+
+  if (window()) {
+    QTimer* timer = new QTimer(this);
+    connect(timer, &QTimer::timeout, window(), &QQuickWindow::update);
+    timer->start(100);
+
+    // window()->update();
+  }
+}
+
+void GameView::handleWindowChanged(QQuickWindow* win) {
+  if (win) {
+    connect(win, &QQuickWindow::beforeSynchronizing, this, &GameView::sync,
+            Qt::DirectConnection);
+    connect(win, &QQuickWindow::sceneGraphInvalidated, this, &GameView::cleanup,
+            Qt::DirectConnection);
+
+    win->setClearBeforeRendering(false);
+
+    m_windowChanged = true;
+  }
+}
+
+void GameView::cleanup() {
+  if (m_renderer) {
+    delete m_renderer;
+    m_renderer = 0;
+  }
+}
+
+void GameView::sync() {
+  if (!m_renderer) {
+    m_renderer = new GameViewRenderer();
+    connect(window(), &QQuickWindow::beforeRendering, m_renderer,
+            &GameViewRenderer::paint, Qt::DirectConnection);
+  }
+
+  if (m_windowChanged) {
+    QSize windowSize = window()->size();
+    m_renderer->setViewportSize(windowSize * window()->devicePixelRatio());
+    m_centerX = windowSize.width() / 2;
+    m_centerY = windowSize.height() / 2;
+  }
+
+  QPoint mousePos = mapFromGlobal(QCursor::pos()).toPoint();
+  if (flibUpdateMousePosition(m_centerX, m_centerY, mousePos.x(), mousePos.y()))
+    QCursor::setPos(mapToGlobal(QPointF(m_centerX, m_centerY)).toPoint());
+
+  m_renderer->tick(m_delta);
+}
+
+GameViewRenderer::~GameViewRenderer() {}
+
+void GameViewRenderer::setViewportSize(const QSize& size) {
+  flibResizeWindow(size.width(), size.height());
+}
+
+void GameViewRenderer::paint() {
+  if (m_delta == 0) return;
+
+  flibGameTick(m_delta);
+
+  // m_window->resetOpenGLState();
+}