From a20c52dffcef05f9ee44ed4cf3a729a19b1c2ab9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Tor=20Arne=20Vestb=C3=B8?= Date: Mon, 14 Jan 2019 14:21:10 +0100 Subject: Use requestUpdate instead of timer in a few GL examples Change-Id: I235ad367fe693c86ef5a0844fde0573371b284db Reviewed-by: Laszlo Agocs --- examples/opengl/contextinfo/renderwindow.cpp | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) (limited to 'examples/opengl/contextinfo/renderwindow.cpp') 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(); } -- cgit v1.2.3