Re: [Chromium-users] Chromium and VNC: remote rendering of desktop

[Dan P. <ph...@cs...>]

Dan Phung wrote:
> Brian Paul wrote:
>   
>> Dan B. Phung wrote:
>>     
>>> Brian Paul wrote:
>>>       
>>>> Dan Phung wrote:
>>>>         
>>>>> Hi all,
>>>>>
>>>>> I'm trying to get the setup where the local (app) node sends its
>>>>> rendering data to a remote node to get rendered, and then sent back to
>>>>> get displayed.  From what I've read, I should use the VNC SPU.
>>>>>           
>>>> Do you want to use VNC?
>>>>
>>>> Or, are you trying to render back into the original application window?
>>>>         
>>> I guess I don't really want to use VNC, but that's what I read as one 
>>> way of going about this...
>>> but yes, I'm trying to render back to the original application window.
>>>       
>> See the render SPU's 'render_to_app_window' option.  I think there's 
>> at least one or two sample .conf files that use it.
>>
>> -Brian
>>     
> I tried working from the rb.conf example and got something to 
> display...but I still don't have a complete understanding of the correct 
> way to do this.  For clarity, what I'm trying to accomplish is for the 
> local application node to send off the 3d openGL rendering to the server 
> node, and having it drawn back locally on the application node. 
>
> Here's my configuration:
>
> ----------------
> import sys
> sys.path.append( '../server' )
> from mothership import *
>
> demo = crbindir+"/atlantis -s 100";
>
> server_spu = SPU( 'render' )
> client_spu = SPU( 'pack' )
> readback_spu = SPU( 'readback' )
>
> server_spu.Conf( 'window_geometry', [0, 0, 512, 192] )
> server_spu.Conf( 'title', "server SPU" )
> server_spu.Conf( 'swap_master_url', "" )
> server_spu.Conf( 'render_to_app_window', 1 )
> client_spu.Conf( 'draw_bbox', 1 )
>
> server_node = CRNetworkNode('remote_renderer')
> server_node.AddSPU( server_spu )
>
> client_node = CRApplicationNode( )
> client_node.AddSPU( readback_spu )
> client_node.AddSPU( client_spu )
> client_spu.AddServer( server_node, 'tcpip' )
>
> client_node.SetApplication( demo )
> client_node.StartDir( crbindir )
>
> cr = CR()
> cr.MTU( 1024*1024 )
> cr.AddNode( client_node )
> cr.AddNode( server_node )
> cr.Go()
> -----------------
>
> so with the 'render_to_app_window' line in, the crserver gives this warning:
>   CR Warning(remote_renderer:30801): Render SPU: render_to_app/crut_window
>   option is set but the window ID 0x1c00002 is invalid on the display 
> named :0.0.
>
> I had first tried this with the line 'server_spu.Conf( 
> 'render_to_app_window', 1 )'
> commented out (as it is in the example) and it rendered in both the 
> server and
> application node.  I saw bandwidth usage go up, so that's how I know 
> that some
> data is coming back from the server...but it looks the same on the 
> application
> node with or without the render_to_app_window line in/out. 
>
> Lastly, I tried mucking around with the 'window_geometry', but couldn't 
> get the
> atlantis example to draw correctly.  It seems to be cut in half...
>
> thanks,
> dan
>   
arghh, sorry, I should've read the docs more, seems like what I want is 
to use: render_to_crut_window since the crserver doesn't have access to 
the original application window.