Fixed OpenGL viewport being updated at each frame
That could cause ratio flickering on paint() on some devices
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parent
9b2c60fe16
commit
1077e4dca3
2 changed files with 16 additions and 1 deletions
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@ -18,6 +18,8 @@ OpenGLView::OpenGLView(QQuickItem *parent) :
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mouse_button = Qt::NoButton;
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connect(this, SIGNAL(windowChanged(QQuickWindow*)), this, SLOT(handleWindowChanged(QQuickWindow*)));
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connect(this, SIGNAL(widthChanged()), this, SLOT(handleResize()));
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connect(this, SIGNAL(heightChanged()), this, SLOT(handleResize()));
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startTimer(50);
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}
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@ -45,9 +47,15 @@ void OpenGLView::paint()
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{
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renderer->initialize();
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initialized = true;
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resized = true;
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}
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if (resized)
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{
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renderer->resize(width(), height());
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resized = false;
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}
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renderer->resize(width(), height());
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renderer->prepareOpenGLState();
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renderer->paint();
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@ -57,6 +65,11 @@ void OpenGLView::paint()
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}
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}
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void OpenGLView::handleResize()
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{
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resized = true;
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}
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void OpenGLView::wheelEvent(QWheelEvent *event)
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{
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if (not acceptInputs())
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@ -17,6 +17,7 @@ public:
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public slots:
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void handleWindowChanged(QQuickWindow *win);
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void paint();
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void handleResize();
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protected:
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virtual void wheelEvent(QWheelEvent *event) override;
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@ -31,6 +32,7 @@ private:
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private:
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bool initialized;
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bool resized;
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MainModelerWindow *window;
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OpenGLRenderer *renderer;
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