void PointCloudVBO::checkGLContext()
// ----------------------------------------------------------------------------
// Do what's needed if GL context has changed
// ----------------------------------------------------------------------------
{
if (QGLContext::currentContext() != context)
{
IFTRACE(pointcloud)
debug() << "GL context changed\n";
// Re-create VBO(s)
genPointBuffer();
if (colored())
genColorBuffer();
if (optimized)
{
IFTRACE(pointcloud)
debug() << "GL context changed on optimized cloud\n";
XL_ASSERT(file != "" || nbRandom != 0);
if (file != "")
{
IFTRACE(pointcloud)
debug() << "Reloading file\n";
text f = file;
clear();
loadData(f, sep, xi, yi, zi, colorScale, ri, gi, bi, ai);
}
else if (nbRandom != 0)
{
IFTRACE(pointcloud)
debug() << "Re-creating random points\n";
unsigned n = nbRandom;
clear();
randomPoints(n, coloredRandom);
}
optimized = false;
XL_ASSERT(!dirty);
}
else
updateVbo();
context = QGLContext::currentContext();
}
}
void SeedPointGenerator::process() {
if (useSameSeed_.get()) {
mt_.seed(seed_.get());
}
switch (generator_.get()) {
case RND:
randomPoints();
break;
case PLANE:
planePoints();
break;
case LINE:
linePoints();
break;
case SPHERE:
spherePoints();
break;
default:
LogWarn("No points generated since given type is not yet implemented");
break;
}
}