{"action":"created","issue":{"url":"https://api.github.com/repos/servo/webrender/issues/1210","repository_url":"https://api.github.com/repos/servo/webrender","labels_url":"https://api.github.com/repos/servo/webrender/issues/1210/labels{/name}","comments_url":"https://api.github.com/repos/servo/webrender/issues/1210/comments","events_url":"https://api.github.com/repos/servo/webrender/issues/1210/events","html_url":"https://github.com/servo/webrender/pull/1210","id":226963698,"number":1210,"title":"Fix the YCbCr color conversion matrix memory layout error and the wrong GL_APPLE_rgb_422 format texture fetching.","user":{"login":"JerryShih","id":5842681,"avatar_url":"https://avatars0.githubusercontent.com/u/5842681?v=3","gravatar_id":"","url":"https://api.github.com/users/JerryShih","html_url":"https://github.com/JerryShih","followers_url":"https://api.github.com/users/JerryShih/followers","following_url":"https://api.github.com/users/JerryShih/following{/other_user}","gists_url":"https://api.github.com/users/JerryShih/gists{/gist_id}","starred_url":"https://api.github.com/users/JerryShih/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/JerryShih/subscriptions","organizations_url":"https://api.github.com/users/JerryShih/orgs","repos_url":"https://api.github.com/users/JerryShih/repos","events_url":"https://api.github.com/users/JerryShih/events{/privacy}","received_events_url":"https://api.github.com/users/JerryShih/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":2,"created_at":"2017-05-08T07:41:14Z","updated_at":"2017-05-08T08:21:54Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/servo/webrender/pulls/1210","html_url":"https://github.com/servo/webrender/pull/1210","diff_url":"https://github.com/servo/webrender/pull/1210.diff","patch_url":"https://github.com/servo/webrender/pull/1210.patch"},"body":"r? @kvark @glennw \r\ncc @nical \r\n\r\nI try to use the GL_APPLE_rgb_422 with the real video at mac. There are some bugs in that. : (\r\n\r\na) fix the wrong channel fetching for GL_APPLE_rgb_422.\r\nThese come from the spec:\r\n> In order to avoid defining entirely new color channels within GL,the Y, Cb and Cr color channels\r\n> within the 422 data are mapped into the existing green, blue and red color channels, respectively. \r\n> Developers must write their own fragment shader/program to perform the desired color space\r\n> transformation.\r\nhttps://www.khronos.org/registry/OpenGL/extensions/APPLE/APPLE_rgb_422.txt\r\n\r\nb) fix the color conversion matrix memory layout.\r\nhttps://www.opengl.org/archives/resources/faq/technical/transformations.htm\n\n<!-- Reviewable:start -->\n---\nThis change is [<img src=\"https://reviewable.io/review_button.svg\" height=\"34\" align=\"absmiddle\" alt=\"Reviewable\"/>](https://reviewable.io/reviews/servo/webrender/1210)\n<!-- Reviewable:end -->\n"},"comment":{"url":"https://api.github.com/repos/servo/webrender/issues/comments/299803730","html_url":"https://github.com/servo/webrender/pull/1210#issuecomment-299803730","issue_url":"https://api.github.com/repos/servo/webrender/issues/1210","id":299803730,"user":{"login":"bors-servo","id":4368172,"avatar_url":"https://avatars2.githubusercontent.com/u/4368172?v=3","gravatar_id":"","url":"https://api.github.com/users/bors-servo","html_url":"https://github.com/bors-servo","followers_url":"https://api.github.com/users/bors-servo/followers","following_url":"https://api.github.com/users/bors-servo/following{/other_user}","gists_url":"https://api.github.com/users/bors-servo/gists{/gist_id}","starred_url":"https://api.github.com/users/bors-servo/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/bors-servo/subscriptions","organizations_url":"https://api.github.com/users/bors-servo/orgs","repos_url":"https://api.github.com/users/bors-servo/repos","events_url":"https://api.github.com/users/bors-servo/events{/privacy}","received_events_url":"https://api.github.com/users/bors-servo/received_events","type":"User","site_admin":false},"created_at":"2017-05-08T08:21:54Z","updated_at":"2017-05-08T08:21:54Z","body":":hourglass: Testing commit 90aba41412a81fbe6ea33093d5a4c85092ded207 with merge d2dc4e3e4be5e3869c356080d396cbe10941495c..."}}
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