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From: "Leonardo E. Reiter" <lreiter@win4lin.com>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Updated BGR vs. RGB vga patch...
Date: Mon, 10 Apr 2006 12:48:02 -0400	[thread overview]
Message-ID: <443A8C42.1070209@win4lin.com> (raw)
In-Reply-To: <200604101746.12090.paul@codesourcery.com>

Okay, that makes perfect sense.  Let me see if I can figure out how to 
get SDL to report the ordering, and I'll try to roll it out that way.

thanks for clarifying,

- Leo Reiter

Paul Brook wrote:
>>Unfortunately X11 will not allow you to force a certain color order in
>>24-bit mode.  You can tell it to force byte-order but this only affects
>>16-bit blits - it's ignored for 24-bit since the individual components
>>of the 24-bit blits, even if packed into 32-bits, are still 8-bits long.
>>  That's what the color masks are for.  There is no efficient way to do
>>this at the server level that I can see.  If you find a better way
>>(within the current scope of the VGA architecture), I'd be glad to try
>>to implement it.  I was just sharing something that was useful to me.
> 
> 
> It should be possible to select between different 24-bit packings the same way 
> different bit depths are handled.
> 
> Paul

-- 
Leonardo E. Reiter
Vice President of Product Development, CTO

Win4Lin, Inc.
Virtual Computing from Desktop to Data Center
Main: +1 512 339 7979
Fax: +1 512 532 6501
http://www.win4lin.com

  reply	other threads:[~2006-04-10 16:48 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-04-10 16:25 [Qemu-devel] Updated BGR vs. RGB vga patch Leonardo E. Reiter
2006-04-10 16:35 ` Paul Brook
2006-04-10 16:41   ` Leonardo E. Reiter
2006-04-10 16:46     ` Paul Brook
2006-04-10 16:48       ` Leonardo E. Reiter [this message]
2006-04-10 16:44   ` Leonardo E. Reiter
2006-04-10 16:49     ` Paul Brook
2006-04-10 16:51       ` Leonardo E. Reiter
2006-04-10 16:59         ` Paul Brook
2006-04-10 18:24           ` Leonardo E. Reiter
2006-04-10 19:08             ` malc
2006-04-10 19:11               ` Leonardo E. Reiter
2006-04-11 17:06               ` Leonardo E. Reiter
2006-04-11 17:11               ` Leonardo E. Reiter
2006-04-10 18:25           ` Leonardo E. Reiter
2006-04-10 23:12 ` Thiemo Seufer
2006-04-10 23:22   ` Leonardo E. Reiter

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