[Xcb] [PATCH] Add RandR 1.3 requests

Antoine Latter aslatter at gmail.com
Sun Apr 26 13:49:24 PDT 2009

On Sun, Apr 26, 2009 at 3:46 PM, Peter Harris <git at peter.is-a-geek.org> wrote:
> On Sun, Apr 26, 2009 at 4:06 PM, Antoine Latter <aslatter at gmail.com> wrote:
>> I notice that we're introducing a list without a length.  Is there
>> some way to specify the length of it, or is it of length "whatever
>> we've got left"?
> It's "whatever we've got left". The X protocol does this in a number
> of places (eg xproto/PolyFillRectangle,
> render/SetPictureClipRectangles).
>> Also, it looks like there is supposed to be some variable amount of
>> padding between filter_name and filter_params.  There are a couple of
>> other 1.3 requests that use variable padding between request elements.
>>  Do we do this in any other places?  I remember having to cope with
>> this in the setup reuest spec as well.
> Yes. As you recall, xproto/Setup does this. Also xv/AdaptorInfo, among others.
> Implicit padding is a bit of a pain for generator authors, but this is
> far from the first use of it in XCB.
> Peter Harris

Sounds good then.  Thanks for the response.


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