41137 2010-06-24 01:14:27 -0700 [Qt] QtWebKit -webkit-transform:translate3d fails on big DIV elements 2012-02-23 18:07:49 -0800 1 1 1 Unclassified WebKit Layout and Rendering 528+ (Nightly build) All All RESOLVED WORKSFORME Qt, QtTriaged P2 Normal --- 39691 1 jonni.rainisto webkit-unassigned ademar benjamin diegohcg hausmann laszlo.gombos noam suresh.voruganti oldest_to_newest 242369 0 59623 jonni.rainisto 2010-06-24 01:14:27 -0700 Created attachment 59623 scrolling-testcase Following scrolling-testcase.html file fails in Harmattan QtWebkit (red div turns black/disapears), and works on other platforms. Maybe QtWebKit OpenGL backend releated bug? 254308 1 diegohcg 2010-07-21 08:28:29 -0700 Cannot reproduce this bug. Please check if it is still reproducible for you. If so try to reproduce it in a open platform. 259897 2 jonni.rainisto 2010-08-03 23:55:00 -0700 I can still reproduce this in Harmattan week31 release, so its still valid. Seems to be releated to QTWebKit opengl es2 backed, since div stays red if I do --graphicssystem=raster -software. Cannot reproduce on open platform (as I dont have any open hw which has gles2 backend). 282238 3 jonni.rainisto 2010-09-21 05:49:06 -0700 I can still reproduce this in Harmattan 38-8 QtWebKit using webwidgetrunner (red div disapears when you try to scroll the screen. 299630 4 suresh.voruganti 2010-10-26 11:28:15 -0700 Is this still reproducible? Can you give Meego Bugzilla ID? 300103 5 jonni.rainisto 2010-10-27 03:48:08 -0700 Yes, its still reproducible in 43-6. I created now also PMO bug in https://projects.maemo.org/bugzilla/show_bug.cgi?id=200690 301754 6 hausmann 2010-10-29 07:32:31 -0700 Could this be a problem in the OpenGL paint engine? 301757 7 benjamin 2010-10-29 07:45:01 -0700 I think MAX_TEXTURE_SIZE is 2048 in this case. Textures bigger than that just fail. This could be worked around by adding tiling for texture, either in WebKit or (better) in the graphics system. I am tempted to just ignore that for the graphics view implementation and do a proper fix for the texture mapper. How important is the bug? 301765 8 hausmann 2010-10-29 08:09:14 -0700 (In reply to comment #7) > How important is the bug? It originates from a Maemo 6 bug (41137), triggered by the Qt Web Runtime. 301830 9 noam 2010-10-29 09:55:05 -0700 See https://bugs.webkit.org/show_bug.cgi?id=39691, I think it fixes it, though the patch needs to be re-applied etc. 304218 10 ademar 2010-11-03 12:55:24 -0700 Please confirm if bug 39691 fixes it so that I can backport/cherry-pick the fix into qtwebkit-2.1 304225 11 suresh.voruganti 2010-11-03 13:02:47 -0700 I think we cannot test with out the fix of 39691 integrated to Qtwebkit 2.1 Let me know if we can test with out the fix being picked to 2.1? 304231 12 72856 ademar 2010-11-03 13:13:17 -0700 Created attachment 72856 patch enabling tiling on qtwebkit-2.1 Patch backported to qtwebkit-2.1. Please test, if it really solves the problem I'll push it into the official branch. 304593 13 jonni.rainisto 2010-11-04 05:03:42 -0700 applied the patch to harmattan 43-6, and tested it, but bug still appears. So this patch does not help.(In reply to comment #12) > Created an attachment (id=72856) [details] > patch enabling tiling on qtwebkit-2.1 > > Patch backported to qtwebkit-2.1. Please test, if it really solves the problem I'll push it into the official branch. applied the patch to harmattan 43-6 qtwebkit sources, and tested it, but bug still appears. So this patch does not seem to help. 304748 14 noam 2010-11-04 10:45:56 -0700 Can we work around this for now (e.g. by using smaller layers in HTML) and postpone actual fix to 2.2? 59623 2010-06-24 01:14:27 -0700 2010-06-24 01:14:27 -0700 scrolling-testcase scrolling-testcase.html text/html 367 jonni.rainisto PGJvZHk+CjxwPk1vdmUgdGhlIG1vdXNlLiBUaGUgcmVkIERJViBlbGVtZW50IHNob3VsZCBtb3Zl IGFsb25nIGFuZCBub3QgZGlzYXBwZWFyLjwvcD4KPGRpdiBpZD0idGVzdCIgc3R5bGU9ImJhY2tn cm91bmQ6I2YwMDt3aWR0aDo4MDBweDtoZWlnaHQ6NTAwMHB4OyI+CjwvZGl2Pgo8c2NyaXB0Pgog IHZhciB0ZXN0ID0gZG9jdW1lbnQuZ2V0RWxlbWVudEJ5SWQoJ3Rlc3QnKTsKICBkb2N1bWVudC5i b2R5Lm9ubW91c2Vtb3ZlID0gZnVuY3Rpb24oZXZlbnQpewogICAgdGVzdC5zdHlsZS5jc3NUZXh0 ICs9ICc7LXdlYmtpdC10cmFuc2Zvcm06dHJhbnNsYXRlM2QoMCwnK2V2ZW50LnBhZ2VZKydweCww KSc7CiAgfQo8L3NjcmlwdD4KPC9ib2R5Pg== 72856 2010-11-03 13:13:17 -0700 2010-11-03 13:13:17 -0700 patch enabling tiling on qtwebkit-2.1 0001-Qt-GraphicsLayer-support-tiling.patch text/plain 9529 ademar 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