fix flicker and hopefully qpaintengine warnings

allen-cell-animated · Dec 18, 2023 · 9e91458 · 9e91458
1 parent 1cf18fb
commit 9e91458
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Showing 3 changed files with 21 additions and 17 deletions.
diff --git a/agave_app/main.cpp b/agave_app/main.cpp
@@ -98,6 +98,7 @@ main(int argc, char* argv[])
 
   QApplication::setAttribute(Qt::AA_UseDesktopOpenGL);
   QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+  QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
   QApplication a(argc, argv);
   a.setOrganizationName("Allen Institute for Cell Science");
   a.setOrganizationDomain("allencell.org");

diff --git a/agave_app/wgpuView3D.cpp b/agave_app/wgpuView3D.cpp
@@ -753,3 +753,21 @@ WgpuView3D::restartRenderLoop()
   std::shared_ptr<CStatus> s = getStatus();
   s->EnableUpdates(true);
 }
+
+
+WgpuCanvas::WgpuCanvas(QCamera* cam, QRenderSettings* qrs, RenderSettings* rs, QWidget* parent)
+{
+  setAttribute(Qt::WA_DeleteOnClose);
+  setMouseTracking(true);
+
+  m_view = new WgpuView3D(cam, qrs, rs, this);
+  connect(m_view, SIGNAL(ChangedRenderer()), this, SLOT(OnChangedRenderer()));
+  m_view->winId();
+
+  m_layout = new QHBoxLayout(this);
+  m_layout->setContentsMargins(0, 0, 0, 0);
+  setLayout(m_layout);
+  m_layout->addWidget(m_view);
+
+  show();
+}
diff --git a/agave_app/wgpuView3D.h b/agave_app/wgpuView3D.h
@@ -124,30 +124,15 @@ public slots:
   void resizeEvent(QResizeEvent* event) override;
   void paintEvent(QPaintEvent* event) override;
 
-  //  virtual QPaintEngine* paintEngine() const override { return nullptr; }
+  virtual QPaintEngine* paintEngine() const override { return nullptr; }
 };
 
 class WgpuCanvas : public QWidget
 {
   Q_OBJECT;
 
 public:
-  WgpuCanvas(QCamera* cam, QRenderSettings* qrs, RenderSettings* rs, QWidget* parent = 0)
-  {
-    setAttribute(Qt::WA_DeleteOnClose);
-    setMouseTracking(true);
-
-    m_view = new WgpuView3D(cam, qrs, rs, this);
-    connect(m_view, SIGNAL(ChangedRenderer()), this, SLOT(OnChangedRenderer()));
-    m_view->winId();
-
-    m_layout = new QHBoxLayout(this);
-    m_layout->setContentsMargins(0, 0, 0, 0);
-    setLayout(m_layout);
-    m_layout->addWidget(m_view);
-
-    show();
-  }
+  WgpuCanvas(QCamera* cam, QRenderSettings* qrs, RenderSettings* rs, QWidget* parent = 0);
   ~WgpuCanvas() { delete m_view; }
 
   // make sure every time this updates, the child updates