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| author | Tor Arne Vestbø <tor.arne.vestbo@qt.io> | 2019-01-14 14:21:10 +0100 |
|---|---|---|
| committer | Tor Arne Vestbø <tor.arne.vestbo@qt.io> | 2019-01-22 21:25:39 +0000 |
| commit | a20c52dffcef05f9ee44ed4cf3a729a19b1c2ab9 (patch) | |
| tree | 13ee2ca741e0110bf4546adcbf68dd704f1043fd /examples/opengl/contextinfo/renderwindow.cpp | |
| parent | e823c351c6226765ccfe66e2ee93a2797dcc9721 (diff) | |
Use requestUpdate instead of timer in a few GL examples
Change-Id: I235ad367fe693c86ef5a0844fde0573371b284db
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
Diffstat (limited to 'examples/opengl/contextinfo/renderwindow.cpp')
| -rw-r--r-- | examples/opengl/contextinfo/renderwindow.cpp | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/examples/opengl/contextinfo/renderwindow.cpp b/examples/opengl/contextinfo/renderwindow.cpp index 2ac2a38afbf..21b7434be68 100644 --- a/examples/opengl/contextinfo/renderwindow.cpp +++ b/examples/opengl/contextinfo/renderwindow.cpp @@ -181,6 +181,13 @@ void RenderWindow::setupVertexAttribs() m_vbo.release(); } +bool RenderWindow::event(QEvent *ev) +{ + if (ev->type() == QEvent::UpdateRequest) + render(); + return QWindow::event(ev); +} + void RenderWindow::render() { if (!m_context->makeCurrent(this)) { @@ -227,9 +234,5 @@ void RenderWindow::render() m_angle += 1.0f; - // Instead of 0 wait a few more milliseconds before rendering again. This is - // only here to make the UI widgets more responsive on slower machines. We - // can afford it since our rendering is so lightweight. - const int interval = 5; - QTimer::singleShot(interval, this, &RenderWindow::render); + requestUpdate(); } |