56740 2011-03-21 06:53:51 -0700 [Qt] WebGL canvas is mirrored along y-axis when copied to image buffer 2011-03-31 01:08:37 -0700 1 1 1 Unclassified WebKit WebGL 528+ (Nightly build) All All RESOLVED WONTFIX Qt, QtTriaged P2 Normal --- 0 jarkko.j.sakkinen webkit-unassigned benjamin jarkko.j.sakkinen oldest_to_newest 370353 0 jarkko.j.sakkinen 2011-03-21 06:53:51 -0700 The problem can be reproduced with QtTestBrowser: - Options "-gl-viewport -graphicsbased -webgl": attached triangle.html is rendered correctly. - Options "-graphicsbased -webgl": the canvas is mirrored along y-axis. 370355 1 86317 jarkko.j.sakkinen 2011-03-21 06:54:39 -0700 Created attachment 86317 HTML file that reproduces the issue. 370358 2 jarkko.j.sakkinen 2011-03-21 06:56:49 -0700 Perhaps this can be fixed in the patch for https://bugs.webkit.org/show_bug.cgi?id=40884 ? 376986 3 jarkko.j.sakkinen 2011-03-31 01:08:37 -0700 This is already solved by Benjamins patch for https://bugs.webkit.org/show_bug.cgi?id=40884 86317 2011-03-21 06:54:39 -0700 2011-03-21 06:54:39 -0700 HTML file that reproduces the issue. triangle.html text/html 2569 jarkko.j.sakkinen PGh0bWw+CjxoZWFkPgo8dGl0bGU+U2ltcGxlIHRyaWFuZ2xlPC90aXRsZT4KPC9oZWFkPgo8c2Ny aXB0IGlkPSJ2c2giIHR5cGU9Ingtc2hhZGVyL3gtdmVydGV4Ij4KcHJlY2lzaW9uIG1lZGl1bXAg ZmxvYXQ7CmF0dHJpYnV0ZSB2ZWMyIGFQb3M7Cgp2b2lkIG1haW4oKQp7CiAgICBnbF9Qb3NpdGlv biA9IHZlYzQoYVBvcywgMC4wLCAxLjApOwp9Cjwvc2NyaXB0Pgo8c2NyaXB0IGlkPSJmc2giIHR5 cGU9Ingtc2hhZGVyL3gtZnJhZ21lbnQiPgpwcmVjaXNpb24gbWVkaXVtcCBmbG9hdDsKCnZvaWQg bWFpbigpCnsKICAgIGdsX0ZyYWdDb2xvciA9IHZlYzQoMS4wLCAxLjAsIDEuMCwgMS4wKTsKfQo8 L3NjcmlwdD4KPHNjcmlwdCB0eXBlPSJ0ZXh0L2phdmFzY3JpcHQiPgp2YXIgV0lEVEggPSAxMjg7 CnZhciBIRUlHSFQgPSAxMjg7Cgp2YXIgZ2wgPSBudWxsOwp2YXIgdmVydGljZXMgPSBudWxsOwp2 YXIgaW5kaWNlcyA9IG51bGw7CnZhciBzaGFkZXIgPSBudWxsOwoKZnVuY3Rpb24gY3JlYXRlU2hh ZGVyKGlkLCBnbCkKewogICAgdmFyIGVsZW0gPSBkb2N1bWVudC5nZXRFbGVtZW50QnlJZChpZCk7 CiAgICBpZiAoIWVsZW0pCiAgICAgICAgICByZXR1cm4gbnVsbDsKCiAgICB2YXIgdGV4dCA9IGVs ZW0udGV4dDsgCiAgICB2YXIgc2hhZGVyOwoKICAgIGlmIChlbGVtLnR5cGUgPT0gIngtc2hhZGVy L3gtZnJhZ21lbnQiKQogICAgICAgIHNoYWRlciA9IGdsLmNyZWF0ZVNoYWRlcihnbC5GUkFHTUVO VF9TSEFERVIpOwogICAgZWxzZSBpZiAoZWxlbS50eXBlID09ICJ4LXNoYWRlci94LXZlcnRleCIp CiAgICAgICAgc2hhZGVyID0gZ2wuY3JlYXRlU2hhZGVyKGdsLlZFUlRFWF9TSEFERVIpOwogICAg ZWxzZQogICAgICAgIHJldHVybiBudWxsOwoKICAgIGdsLnNoYWRlclNvdXJjZShzaGFkZXIsIHRl eHQpOwogICAgZ2wuY29tcGlsZVNoYWRlcihzaGFkZXIpOwoKICAgIGlmICghZ2wuZ2V0U2hhZGVy UGFyYW1ldGVyKHNoYWRlciwgZ2wuQ09NUElMRV9TVEFUVVMpKSB7CiAgICAgICAgICBhbGVydChn bC5nZXRTaGFkZXJJbmZvTG9nKHNoYWRlcikpOwogICAgICAgICAgcmV0dXJuIG51bGw7CiAgICB9 CgogICAgcmV0dXJuIHNoYWRlcjsKfQoKZnVuY3Rpb24gcHJlcGFyZSgpCnsKICAgIHZhciBkaXNw bGF5ID0gZG9jdW1lbnQuZ2V0RWxlbWVudEJ5SWQoJ2Rpc3BsYXknKTsKCiAgICBpZiAoIWRpc3Bs YXkgfHwgIWRpc3BsYXkuZ2V0Q29udGV4dCkKICAgICAgICByZXR1cm47CgogICAgZGlzcGxheS53 aWR0aCA9IFdJRFRIOwogICAgZGlzcGxheS5oZWlnaHQgPSBIRUlHSFQ7CgogICAgZ2wgPSBkaXNw bGF5LmdldENvbnRleHQoJ2V4cGVyaW1lbnRhbC13ZWJnbCcpOwoKICAgIHZhciB2c2ggPSBjcmVh dGVTaGFkZXIoInZzaCIsIGdsKTsKICAgIGlmICghdnNoKQogICAgICAgIHJldHVybjsKCiAgICB2 YXIgZnNoID0gY3JlYXRlU2hhZGVyKCJmc2giLCBnbCk7CiAgICBpZiAoIWZzaCkKICAgICAgICBy ZXR1cm47CgogICAgc2hhZGVyID0gZ2wuY3JlYXRlUHJvZ3JhbSgpOwoKICAgIGdsLmF0dGFjaFNo YWRlcihzaGFkZXIsIHZzaCk7CiAgICBnbC5hdHRhY2hTaGFkZXIoc2hhZGVyLCBmc2gpOwogICAg Z2wuYmluZEF0dHJpYkxvY2F0aW9uKHNoYWRlciwgMCwgImFQb3MiKTsKICAgIGdsLmxpbmtQcm9n cmFtKHNoYWRlcik7CgogICAgaWYgKCFnbC5nZXRQcm9ncmFtUGFyYW1ldGVyKHNoYWRlciwgZ2wu TElOS19TVEFUVVMpKSB7CiAgICAgICAgYWxlcnQoZ2wuZ2V0UHJvZ3JhbUluZm9Mb2coc2hhZGVy KSk7CiAgICAgICAgcmV0dXJuOwogICAgfQoKICAgIHZlcnRpY2VzID0gZ2wuY3JlYXRlQnVmZmVy KCk7CiAgICBnbC5iaW5kQnVmZmVyKGdsLkFSUkFZX0JVRkZFUiwgdmVydGljZXMpOwogICAgZ2wu YnVmZmVyRGF0YShnbC5BUlJBWV9CVUZGRVIsIG5ldyBGbG9hdDMyQXJyYXkoWwogICAgICAgIC0x LC0xLAogICAgICAgIC0xLDEsCiAgICAgICAgMSwtMSwKICAgIF0pLCBnbC5TVEFUSUNfRFJBVyk7 CgogICAgaW5kaWNlcyA9IGdsLmNyZWF0ZUJ1ZmZlcigpOwogICAgZ2wuYmluZEJ1ZmZlcihnbC5F TEVNRU5UX0FSUkFZX0JVRkZFUiwgaW5kaWNlcyk7CiAgICBnbC5idWZmZXJEYXRhKGdsLkVMRU1F TlRfQVJSQVlfQlVGRkVSLCBuZXcgVWludDE2QXJyYXkoWwogICAgICAgIDAsIDEsIDIKICAgIF0p LCBnbC5TVEFUSUNfRFJBVyk7CgogICAgZ2wudmlld3BvcnQoMCwgMCwgV0lEVEgsIEhFSUdIVCk7 CiAgICBnbC5jbGVhckNvbG9yKDAuMCwgMC4wLCAwLjAsIDEuMCk7CiAgICBnbC5jbGVhcihnbC5D T0xPUl9CVUZGRVJfQklUKTsKCiAgICBnbC51c2VQcm9ncmFtKHNoYWRlcik7CgogICAgZ2wuZW5h YmxlVmVydGV4QXR0cmliQXJyYXkoMCk7CiAgICBnbC52ZXJ0ZXhBdHRyaWJQb2ludGVyKDAsIDIs IGdsLkZMT0FULCBmYWxzZSwgMCwgMCk7CiAgICBnbC5kcmF3RWxlbWVudHMoZ2wuVFJJQU5HTEVT LCAzLCBnbC5VTlNJR05FRF9TSE9SVCwgMCk7Cn0KPC9zY3JpcHQ+Cgo8Ym9keSBvbkxvYWQ9InBy ZXBhcmUoKTsiPgoKPGNhbnZhcyBpZD0iZGlzcGxheSI+CjwvY2FudmFzPgoKPC9ib2R5Pgo8L2h0 bWw+Cg==