65655 2011-08-03 16:32:52 -0700 [chromium] Implement a global resource limit for DrawingBuffer to limit the amount of GPU memory used by 2d canvas backing stores 2011-08-04 16:47:16 -0700 1 1 1 Unclassified WebKit New Bugs 528+ (Nightly build) Unspecified Unspecified RESOLVED FIXED P2 Normal --- 1 jamesr jamesr kbr senorblanco tomhudson vangelis webkit.review.bot oldest_to_newest 446207 0 jamesr 2011-08-03 16:32:52 -0700 [chromium] Implement a global resource limit for DrawingBuffer to limit the amount of GPU memory used by 2d canvas backing stores 446208 1 102856 jamesr 2011-08-03 16:34:54 -0700 Created attachment 102856 Patch 446225 2 102860 jamesr 2011-08-03 16:45:03 -0700 Created attachment 102860 Patch 446227 3 jamesr 2011-08-03 16:52:30 -0700 This patch is necessary for wilderness downtown, which tries to create 475mb worth of DrawingBuffer textures/stencil buffers without this patch. We can extend this in the future to allow setting the limit dynamically, and possibly do readbacks for DrawingBuffers if memory gets tight, but this seems like a good start and should work for now. I picked a limit (somewhat arbitrarily) of 16megapixels, which means 128mb of vram assuming 4 bytes/pixel for the color attachment and 4 bytes/pixel for the stencil buffer, assuming that it's packed in the card. 446765 4 102860 kbr 2011-08-04 14:07:12 -0700 Comment on attachment 102860 Patch This looks okay to me as a first pass workaround. Assuming it's been tested. 446894 5 102860 webkit.review.bot 2011-08-04 16:47:12 -0700 Comment on attachment 102860 Patch Clearing flags on attachment: 102860 Committed r92430: <http://trac.webkit.org/changeset/92430> 446895 6 webkit.review.bot 2011-08-04 16:47:16 -0700 All reviewed patches have been landed. Closing bug. 102856 2011-08-03 16:34:54 -0700 2011-08-03 16:45:00 -0700 Patch bug-65655-20110803163453.patch text/plain 4068 jamesr U3VidmVyc2lvbiBSZXZpc2lvbjogOTIzMTQKZGlmZiAtLWdpdCBhL1NvdXJjZS9XZWJDb3JlL0No YW5nZUxvZyBiL1NvdXJjZS9XZWJDb3JlL0NoYW5nZUxvZwppbmRleCBhZmZjOGFlNjlkMjZiMmM1 M2QwYzU1MTRlYTlhOWRmZDU1NzEyOTkzLi4yYzNhZjdhMzkyNTQ3MmE5MzU5MGU1MjAyODUxYWU1 YWUyNTM2OWUxIDEwMDY0NAotLS0gYS9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKKysrIGIvU291 cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCkBAIC0xLDMgKzEsMTYgQEAKKzIwMTEtMDgtMDMgIEphbWVz IFJvYmluc29uICA8amFtZXNyQGNocm9taXVtLm9yZz4KKworICAgICAgICBbY2hyb21pdW1dIElt cGxlbWVudCBhIGdsb2JhbCByZXNvdXJjZSBsaW1pdCBmb3IgRHJhd2luZ0J1ZmZlciB0byBsaW1p dCB0aGUgYW1vdW50IG9mIEdQVSBtZW1vcnkgdXNlZCBieSAyZCBjYW52YXMgYmFja2luZyBzdG9y ZXMKKyAgICAgICAgaHR0cHM6Ly9idWdzLndlYmtpdC5vcmcvc2hvd19idWcuY2dpP2lkPTY1NjU1 CisKKyAgICAgICAgUmV2aWV3ZWQgYnkgTk9CT0RZIChPT1BTISkuCisKKyAgICAgICAgKiBwbGF0 Zm9ybS9ncmFwaGljcy9ncHUvRHJhd2luZ0J1ZmZlci5jcHA6CisgICAgICAgIChXZWJDb3JlOjpE 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