{"action":"opened","issue":{"url":"https://api.github.com/repos/appleseedhq/appleseed/issues/1088","repository_url":"https://api.github.com/repos/appleseedhq/appleseed","labels_url":"https://api.github.com/repos/appleseedhq/appleseed/issues/1088/labels{/name}","comments_url":"https://api.github.com/repos/appleseedhq/appleseed/issues/1088/comments","events_url":"https://api.github.com/repos/appleseedhq/appleseed/issues/1088/events","html_url":"https://github.com/appleseedhq/appleseed/issues/1088","id":176881630,"number":1088,"title":"Skip truly empty tiles during rendering","user":{"login":"dictoon","id":321290,"avatar_url":"https://avatars.githubusercontent.com/u/321290?v=3","gravatar_id":"","url":"https://api.github.com/users/dictoon","html_url":"https://github.com/dictoon","followers_url":"https://api.github.com/users/dictoon/followers","following_url":"https://api.github.com/users/dictoon/following{/other_user}","gists_url":"https://api.github.com/users/dictoon/gists{/gist_id}","starred_url":"https://api.github.com/users/dictoon/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dictoon/subscriptions","organizations_url":"https://api.github.com/users/dictoon/orgs","repos_url":"https://api.github.com/users/dictoon/repos","events_url":"https://api.github.com/users/dictoon/events{/privacy}","received_events_url":"https://api.github.com/users/dictoon/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/appleseedhq/appleseed/labels/Easy","name":"Easy","color":"fbca04"},{"url":"https://api.github.com/repos/appleseedhq/appleseed/labels/Optimization","name":"Optimization","color":"f7c6c7"}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-09-14T11:23:03Z","updated_at":"2016-09-14T11:23:03Z","closed_at":null,"body":"Currently appleseed is spending a significant amount of time rendering completely empty tiles. It might be possible to optimize rendering of empty tiles but it will always take time to iterate over all samples of all pixels of a tile.\r\n\r\nWhen a tile does not intersect any geometry and there are ro environment shader or full scene volume, completely skip this tile."}}
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