[PATCH] damageext: Make DamageSubtract actually work for raw-rects mode

2015-07-14 Thread Adam Jackson
I swear this has come up before, but I have no idea why this isn't implemented. This basically makes the raw mode unusable since you can never subtract damage, your only recourse is to destroy the old damage and make a new one as the old one saturates in area. I can't see a good reason to leave i

Re: [PATCH] damageext: Make DamageSubtract actually work for raw-rects mode

2015-07-14 Thread Eric Anholt
Adam Jackson writes: > I swear this has come up before, but I have no idea why this isn't > implemented. This basically makes the raw mode unusable since you can > never subtract damage, your only recourse is to destroy the old damage > and make a new one as the old one saturates in area. I can

Re: [PATCH] damageext: Make DamageSubtract actually work for raw-rects mode

2015-07-15 Thread Adam Jackson
On Tue, 2015-07-14 at 16:58 -0700, Eric Anholt wrote: > Adam Jackson writes: > > > I swear this has come up before, but I have no idea why this isn't > > implemented. This basically makes the raw mode unusable since you can > > never subtract damage, your only recourse is to destroy the old dama