Added multisampling support

* Only when available of course
* Uses highest number of buffers by default

src/pulsaranimationwidget.cpp

@@ -23,7 +23,7 @@
 const float PulsarAnimationWidget::deg2rad = PI/180.0f;
 
 PulsarAnimationWidget::PulsarAnimationWidget(QWidget *parent) :
-	QGLWidget(QGLFormat(QGL::AlphaChannel), parent),
+	QGLWidget(QGLFormat(QGL::AlphaChannel | QGL::SampleBuffers), parent),
 	m_frameTimer()
 {
 	if(!format().rgba()) {
@@ -32,6 +32,9 @@ PulsarAnimationWidget::PulsarAnimationWidget(QWidget *parent) :
 	if(!format().alpha()) {
 		qWarning("Sorry, no alpha channel support...");
 	}
+	if(!format().sampleBuffers()) {
+		qWarning("Sorry, no multisampling support...");
+	}
 
     connect(&m_frameTimer, SIGNAL(timeout()), this, SLOT(updateFrame()));