[Spice-devel] [PATCH v4 0/2] protocol: add gl scanout support

[Christophe Fergeau]

On Thu, Jan 14, 2016 at 10:33:04AM -0500, Marc-André Lureau wrote:
> This is just arbitrary numbers. What I know is this works well for the
> last year, and I don't expect it to need changes soon.

This is not really what I'm asking...
Let's say we add all of this to spice-protocol, we release clients,
servers, ... depending on this.

Then we realize in order to achieve X or Y, we need to do things
slightly differently. What is our escape plan there? Do we have an easy
way out without breaking older clients? If yes, all fine with me, if
not, we are back to my initial question, do we want to/how do we mark
these additions as unstable while things settle down for a bit?

I'm not asking that we do some very complicated work now and wait
undefinitely, I'm precisely trying to ask if we'll be able to
evolve this as usual.

Christophe
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