Hello Michael,
Carsten Neumann wrote:
> Michael Raab wrote:
>> What do think when and where exactly I should call setEnabled(false) on FBO?
>
> hm, good question. A fairly hacky approach would be to do it after the
> first frame is rendered - at that point all the viewports should be
> synced to the servers so you can iterate over them and disable those
> that are not relevant for each node. Not a very nice solution, but I
> can't really think of something better at the moment.
to make this approach a bit more feasible I added
ClusterServer::getServerId(). With that you can iterate over the
viewports and depending on the server id disable those that you don't
need/want on each node.
Something like this (not tested) should probably do it:
ClusterServer *server;
bool firstFrame = true;
void display(void)
{
server->doSync(false);
if(firstFrame == true)
{
firstFrame = false;
UInt32 serverId = server->getServerId();
WindowPtr serverWin = server->getServerWindow();
for(UInt32 i = 0; i < serverWin->getMFPort()->size(); ++i)
{
ViewportPtr serverPort = serverWin->getPort(i);
FBOViewportPtr serverFBOPort = FBOViewportPtr::dcast(serverPort);
if(serverFBOPort != NullFC &&
i != serverId * 3 &&
i != serverId * 3 + 1 )
{
serverFBOPort->setEnabled(false);
}
}
}
server->doRender(ract);
server->doSwap();
}
Cheers,
Carsten
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