RE: Typo in renderspu_wgl.c

Hi,

What kind of error would this produce?  We're have some trouble with our
Windows install of Chromium 1.8.  We have it installed on an SGI IRIX
6.5, and two Windows XP machines.  On the SGI if we do the 'python
crdemo.conf atlantis' or 'python crdemo.conf atlantis tilesort' things
work fine.  On the XP machines if we do 'python crdemo.conf atlantis'
things work fine, but if we do 'python crdemo.conf atlantis tilesort',
the GLUT frame and render frame comes up and then Windows pops up and
says some memory can't be written to.

Is this a different problem? (hopefully a known one)  Here is the
crdemo.conf file that was used:

# Copyright (c) 2001, Stanford University
# All rights reserved
#
# See the file LICENSE.txt for information on redistributing this
software.

import sys
sys.path.append( '../server' )
from mothership import *

if len(sys.argv) > 3 or len(sys.argv) < 2:
	print 'Usage: %s <demo> [spu]' % sys.argv[0] 
	sys.exit(-1)

demo = sys.argv[1]

if len(sys.argv) == 3:
	clientspuname = sys.argv[2]
else:
	clientspuname = 'pack'

server_spu = SPU( 'render' )
client_spu = SPU( clientspuname )

W = 500
H = 500

server_spu.Conf( 'window_geometry', [0, 0, W, H] )
server_spu.Conf( 'swap_master_url', "" )

server_node = CRNetworkNode( )
server_node.AddSPU( server_spu )

if (clientspuname == 'tilesort' ):
	server_node.AddTile( 0, 0, W, H )

client_node = CRApplicationNode( )
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()



Thanks,
Archie





-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Brian
Paul
Sent: Wednesday, May 25, 2005 1:15 PM
To: [email protected]
Cc: [email protected]; [email protected];
[email protected]
Subject: Re: [Chromium-dev] Typo in renderspu_wgl.c

[email protected] wrote:
> Hi all,
> 
> I think I've spotted a bug in renderspu_wgl.c near line 252 and line
270.
> 
> The bad code:
> render_spu.ws.wglDescribePixelFormat( hdc, pixelformat, sizeof(ppfd), 
> ppfd );
> 
> Better code:
> render_spu.ws.wglDescribePixelFormat( hdc, pixelformat, sizeof(*ppfd),

> ppfd );
> 
> The error near line 270 is similar...
> 
> DescribePixelFormat expects the size of the pixelformat structure (~40

> bytes), not the size of the pointer (4 bytes)!

I've checked in the change.  Thanks.

-Brian



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