Mirrors/overte
3
0
Fork 0
mirror of https://github.com/overte-org/overte.git synced 2025-04-20 12:04:18 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

Fix for the “ringing” issue. Don’t let Qt handle our buffer swaps. Handle the swaps ourselves.

Browse source
This commit is contained in:
Geenz 2014-03-14 19:38:17 -04:00
parent 89a6ecd1c1
commit d02f0ba687
1 changed files with 7 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
interface/src/GLCanvas.cpp
View file

@ -13,9 +13,9 @@
#include <QUrl>
#include <QMainWindow>
GLCanvas::GLCanvas() : QGLWidget(QGLFormat(QGL::NoDepthBuffer, QGL::NoStencilBuffer)),
GLCanvas::GLCanvas() : QGLWidget(QGLFormat(QGL::NoDepthBuffer)),
_throttleRendering(false),
_idleRenderInterval(100)
_idleRenderInterval(64)
{
}
@ -25,11 +25,15 @@ void GLCanvas::initializeGL() {
setAcceptDrops(true);
connect(Application::getInstance(), SIGNAL(applicationStateChanged(Qt::ApplicationState)), this, SLOT(activeChanged(Qt::ApplicationState)));
connect(&_frameTimer, SIGNAL(timeout()), this, SLOT(throttleRender()));
// Note, we *DO NOT* want Qt to automatically swap buffers for us. This results in the "ringing" bug mentioned in WL#19514 when we're throttling the framerate.
setAutoBufferSwap(false);
}
void GLCanvas::paintGL() {
if (!_throttleRendering && !Application::getInstance()->getWindow()->isMinimized()) {
Application::getInstance()->paintGL();
swapBuffers();
}
}
@ -86,6 +90,7 @@ void GLCanvas::throttleRender() {
_frameTimer.start(_idleRenderInterval);
if (!Application::getInstance()->getWindow()->isMinimized()) {
Application::getInstance()->paintGL();
swapBuffers();
}
}