59129 2011-04-21 12:22:13 -0700 [chromium] Texture manager textures don't always get unreserved 2011-04-21 18:05:58 -0700 1 1 1 Unclassified WebKit WebCore Misc. 528+ (Nightly build) PC OS X 10.5 RESOLVED FIXED P2 Normal --- 1 vangelis vangelis enne jamesr oldest_to_newest 390242 0 vangelis 2011-04-21 12:22:13 -0700 Currently layers reserve textures in the texture manager when their contents are painted and unreserve after the layer has been drawn. Since the compositor can skip layers at draw time (e.g. when the layer is outside the clip rect) some textures are left reserved. Over time they add to the memory (VRAM) bloat. The debug chromium builds currently assert when a texture is reserved twice (which is an indication that the texture was not unreserved after the previous draw). An easy repro case for the assert is loading this page: http://www.satine.org/research/webkit/snowleopard/snowstack.html 390249 1 90577 vangelis 2011-04-21 12:27:52 -0700 Created attachment 90577 Patch 390266 2 90577 jamesr 2011-04-21 12:58:37 -0700 Comment on attachment 90577 Patch Looks good. I'm pretty sure this will conflict with enne's upload patch. 390509 3 vangelis 2011-04-21 18:05:58 -0700 Committed r84582: <http://trac.webkit.org/changeset/84582> 90577 2011-04-21 12:27:52 -0700 2011-04-21 12:58:37 -0700 Patch bug-59129-20110421122751.patch text/plain 17252 vangelis SW5kZXg6IFNvdXJjZS9XZWJDb3JlL0NoYW5nZUxvZwo9PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09Ci0tLSBTb3VyY2UvV2Vi Q29yZS9DaGFuZ2VMb2cJKHJldmlzaW9uIDg0NTM2KQorKysgU291cmNlL1dlYkNvcmUvQ2hhbmdl TG9nCSh3b3JraW5nIGNvcHkpCkBAIC0xLDMgKzEsNDEgQEAKKzIwMTEtMDQtMjEgIFZhbmdlbGlz IEtva2tldmlzICA8dmFuZ2VsaXNAY2hyb21pdW0ub3JnPgorCisgICAgICAgIFJldmlld2VkIGJ5 IE5PQk9EWSAoT09QUyEpLgorCisgICAgICAgIFtjaHJvbWl1bV0gT25seSB1cGRhdGUgdGhlIGNv bnRlbnRzIG9mIGxheWVycyB0aGF0IGFyZSBnb2luZyB0bworICAgICAgICBiZSBkcmF3bi4gUmVt b3ZlIGluZGl2aWR1YWwgdGV4dHVyZSB1bnJlc2VydmVzIHRoYXQgaGFwcGVuCisgICAgICAgIGFm dGVyIHRoZSBsYXllciBkcmF3IGNhbGxzIHdpdGggYSBzaW5nbGUgdW5yZXNlcnZlIGZvciBhbGwg 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