https://bugs.freedesktop.org/show_bug.cgi?id=78190
--- Comment #11 from Jason Ekstrand <[email protected]> --- (In reply to Pekka Paalanen from comment #10) > My recent reasoning about interface version backward compatibility is an > argument for not changing wl_surface.damage semantics in a version bump. > Instead, we should add a new request. > > See: > http://lists.freedesktop.org/archives/wayland-devel/2014-October/017687.html > > "Don't modify old protocol just by version, it won't be backward > compatible." seems like a good mantra to me. The only reason why changing damage coordinates would work is precicely because it's not backwards compatable. Backwards is broken. If we add a new request, then EGL implementations will continue to happily report damage in buffer coordinates to the request that needs surface coordinates and ignore the one that takes buffer coordinates. -- You are receiving this mail because: You are the assignee for the bug.
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