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List:       freedesktop-xorg
Subject:    Re: The motivation of adding fallback_counter to exa
From:       Adam Jackson <ajax () nwnk ! net>
Date:       2010-10-14 16:33:44
Message-ID: 1287074024.5986.1764.camel () atropine
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On Thu, 2010-10-14 at 13:46 +0800, fly fancy wrote:
> Thanks a lot! I would agree with your explanations. However, I have
> another confusion.
> In mixed pixmap mode, when the arguments 'w' and 'h' passed to
> exaCreatePixmap_mixed is either zero, 
> this pixmap will become a driver pixmap through
> exaCreateDriverPixmap_mixed right away. Usually, 
> in this situation, the exaModifyPixmapHeader_mixed should be called
> with non-null pPixData. But,  
> exaModifyPixmapHeader_mixed will delete pixmap driver private when
> pPixData is non-null and set 
> this pixmap pinned. Therefore, I think this(create pixmap driver
> private, then destroy it without using it) is 
> meaningless. Do I understand it wrong? Thanks!

That sounds like extra work, but it sounds harmless, so I think you
understand it right.

- ajax

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