Jonas Ådahl <[email protected]> writes:

> On Tue, Sep 29, 2015 at 09:49:46AM -0700, Keith Packard wrote:
>> Jonas Ådahl <[email protected]> writes:
>> 
>> > As mentioned, a different approach would be to work-around the issue in
>> > xwayland, but I consider such a solution more hacky than this. Please let
>> > me know what you think.
>> 
>> All you need do in xwayland is smash pSpriteCursor to some other value,
>> like ((CursorPtr) (intptr_t) 1). That'll make the existing checks fail
>> and force the driver to be called with the new cursor.
>> 
>> No mipointer changes ABI/API needed, which means we could merge this for
>> 1.18 (given the DIX patch which I've already reviewed).
>
> The added field is in the end of the struct, and for what I can
> understand from Adam running abidiff, the only remaining ABI issue was
> the fact that SpriteRec was put in the middle of another public struct
> making it impossible to extend; this new patch does not modify
> SpriteRec. It feels less hacky than adding a "fake" pointer
> ((intptr_t) 1)and the necessary checks all over mipointer.c.

There wouldn't be any changes to mipointer.c.

-- 
-keith

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