RandR 1.4 restart

Ville Syrjälä ville.syrjala at nokia.com
Tue Mar 1 05:48:51 PST 2011

On Mon, Feb 28, 2011 at 05:29:56PM -0800, ext Keith Packard wrote:
> Ok, let's try to get a bit of protocol review, then look at the library
> API, then the server internal APIs and finally the server
> implementation. Most of the code already exists, so this shouldn't take
> a terribly long time.
> I've cleaned up the protocol a bit, reducing the changes so that we've
> got only one 'set' and one 'get' request, each of which do 'everything'
> except deal with output properties. The separate requests to set and
> query the sprite transforms are gone.
> For the library changes, I'd like to know is whether I should emulate
> the new SetCrtcConfigs interface using old requests on old servers. That
> would involve duplicating a bit of structure from the insides of the X
> server, but would mean that applications could switch to the new
> interface and not worry about preserving compatibility with the old.
> Here's a diff from 1.3.2 of just the protocol specification. Please see
> if this looks reasonable from a protocol perspective.

So what about also allowing windows to use the scanout pixmaps as their
backing pixmap? I'm mainly interested in something that would allow
unredirected 32bpp windows on a 16bpp screen.

Ville Syrjälä

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