Public bug reported: The Mesa 8.0 branch contains the following patch which avoids Firefox falling back to the slow path during WebGL rendering. Could it please be added to Precise as an SRU?
author Brian Paul <bri...@vmware.com> 2012-04-17 23:41:09 (GMT) committer Brian Paul <bri...@vmware.com> 2012-04-17 23:41:09 (GMT) commit 49ed43b6de98482c898334a9abfc574720391c9f tree b9fab1a668caff3f81a75f1bbcf04d543371ca9b parent 9f150ffe8ee5f184861a377637091e4f06210927 mesa: add a couple fast-paths to fast_read_rgba_pixels_memcpy() Accelerates a few glReadPixels cases for WebGL. See https://bugs.freedesktop.org/show_bug.cgi?id=48545 v2: Per Jose, use bit twiddling for the swizzle case instead of ubyte arrays (it's about 44% faster). Note: This is a candidate for the 8.0 branch. Reviewed-by: José Fonseca <jfons...@vmware.com> (cherry picked from commit a5e95a419e4f6ad93e35a960113d97ae2de27476) ** Affects: mesa (Ubuntu) Importance: Undecided Status: New ** Tags: precise ** Description changed: The Mesa 8.0 branch contains the following patch which avoids Firefox falling back to the slow path during WebGL rendering. Could it please be added to Precise as an SRU? author Brian Paul <bri...@vmware.com> 2012-04-17 23:41:09 (GMT) committer Brian Paul <bri...@vmware.com> 2012-04-17 23:41:09 (GMT) - commit 49ed43b6de98482c898334a9abfc574720391c9f (patch) (side-by-side diff) + commit 49ed43b6de98482c898334a9abfc574720391c9f tree b9fab1a668caff3f81a75f1bbcf04d543371ca9b - parent 9f150ffe8ee5f184861a377637091e4f06210927 (diff) + parent 9f150ffe8ee5f184861a377637091e4f06210927 mesa: add a couple fast-paths to fast_read_rgba_pixels_memcpy() Accelerates a few glReadPixels cases for WebGL. See https://bugs.freedesktop.org/show_bug.cgi?id=48545 - v2: Per Jose, use bit twiddling for the swizzle case instead of ubyte + v2: Per Jose, use bit twiddling for the swizzle case instead of ubyte arrays (it's about 44% faster). Note: This is a candidate for the 8.0 branch. Reviewed-by: José Fonseca <jfons...@vmware.com> (cherry picked from commit a5e95a419e4f6ad93e35a960113d97ae2de27476) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/988343 Title: Patch to correct slow WebGL in Firefox To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/988343/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
