{"action":"opened","issue":{"url":"https://api.github.com/repos/KhronosGroup/glslang/issues/167","repository_url":"https://api.github.com/repos/KhronosGroup/glslang","labels_url":"https://api.github.com/repos/KhronosGroup/glslang/issues/167/labels{/name}","comments_url":"https://api.github.com/repos/KhronosGroup/glslang/issues/167/comments","events_url":"https://api.github.com/repos/KhronosGroup/glslang/issues/167/events","html_url":"https://github.com/KhronosGroup/glslang/issues/167","id":135178183,"number":167,"title":"In Vulkan mode the default execution mode should be OriginUpperLeft","user":{"login":"tomaka","id":1412254,"avatar_url":"https://avatars.githubusercontent.com/u/1412254?v=3","gravatar_id":"","url":"https://api.github.com/users/tomaka","html_url":"https://github.com/tomaka","followers_url":"https://api.github.com/users/tomaka/followers","following_url":"https://api.github.com/users/tomaka/following{/other_user}","gists_url":"https://api.github.com/users/tomaka/gists{/gist_id}","starred_url":"https://api.github.com/users/tomaka/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/tomaka/subscriptions","organizations_url":"https://api.github.com/users/tomaka/orgs","repos_url":"https://api.github.com/users/tomaka/repos","events_url":"https://api.github.com/users/tomaka/events{/privacy}","received_events_url":"https://api.github.com/users/tomaka/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2016-02-21T08:20:12Z","updated_at":"2016-02-21T08:20:12Z","closed_at":null,"body":"Appendix `A.3` of the Vulkan specs says:\r\n\r\n> The OriginLowerLeft execution mode must not be used; fragment entry points must declare OriginUpperLeft. \r\n\r\nBut when you compile a shader that doesn't specify an origin it is set to `OriginLowerLeft` by default, even with the `-V` flag.\r\n"}}