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| author | Owen Taylor <otaylor@fishsoup.net> | 2008-09-19 09:52:07 -0400 |
|---|---|---|
| committer | Adam Jackson <ajax@redhat.com> | 2008-09-19 09:52:07 -0400 |
| commit | c25bdf1cce48ad1b2bb33ba45969572e6e4d385f (patch) | |
| tree | 6675125d4078b6021820d7c9f6293cbb6f3f71a9 | |
| parent | ad1a35b351012a347c49246f986655e3a91431df (diff) | |
| download | xorg-proto-damageproto-c25bdf1cce48ad1b2bb33ba45969572e6e4d385f.tar.gz | |
Document that 'parts' may be None for DamageSubtract
The server code has handled parts == None since at least 2004.
| -rw-r--r-- | damageproto.txt | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/damageproto.txt b/damageproto.txt index 54910ad..1f254d4 100644 --- a/damageproto.txt +++ b/damageproto.txt @@ -191,20 +191,21 @@ DamageSubtract damage: DAMAGE repair: Region or None - parts: Region + parts: Region or None Synchronously modifies the regions in the following manner: If repair is None: - 1) parts = damage + 1) if parts is not None, parts = damage 2) damage = <empty> Otherwise: - 1) parts = damage INTERSECT repair - 2) damage = damage - parts - 3) Generate DamageNotify for remaining damage areas + 1) tmp = damage INTERSECT repair + 2) damage = damage - tmp + 3) if parts is not None, parts = tmp + 4) Generate DamageNotify for remaining damage areas DamageAdd |