60077 2011-05-03 16:04:13 -0700 [chromium] Properly handle huge initial dimensions for 2d canvas when accelerated 2d canvas is enabled 2011-05-24 01:43:02 -0700 1 1 1 Unclassified WebKit New Bugs 528+ (Nightly build) Other OS X 10.5 RESOLVED FIXED P2 Normal --- 1 jamesr jamesr commit-queue enne kbr senorblanco vangelis oldest_to_newest 397485 0 jamesr 2011-05-03 16:04:13 -0700 [chromium] Properly handle huge initial dimensions for 2d canvas when accelerated 2d canvas is enabled 397493 1 92155 jamesr 2011-05-03 16:08:30 -0700 Created attachment 92155 Patch 398068 2 92155 kbr 2011-05-04 10:55:17 -0700 Comment on attachment 92155 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=92155&action=review > Source/WebCore/platform/graphics/chromium/DrawingBufferChromium.cpp:101 > + if (!reset(size)) { > + m_context.clear(); > + return; > + } The implementation of reset() references m_fbo which isn't initialized until the following line. Was this patch tested? 398267 3 jamesr 2011-05-04 14:44:47 -0700 (In reply to comment #2) > (From update of attachment 92155 [details]) > View in context: https://bugs.webkit.org/attachment.cgi?id=92155&action=review > > > Source/WebCore/platform/graphics/chromium/DrawingBufferChromium.cpp:101 > > + if (!reset(size)) { > > + m_context.clear(); > > + return; > > + } > > The implementation of reset() references m_fbo which isn't initialized until the following line. Was this patch tested? Whoops, I tested cases where the reset() fails but didn't test the case where it succeeds carefully enough. Good catch. 408536 4 94532 jamesr 2011-05-23 18:20:46 -0700 Created attachment 94532 Patch 408538 5 jamesr 2011-05-23 18:22:12 -0700 (In reply to comment #2) > (From update of attachment 92155 [details]) > View in context: https://bugs.webkit.org/attachment.cgi?id=92155&action=review > > > Source/WebCore/platform/graphics/chromium/DrawingBufferChromium.cpp:101 > > + if (!reset(size)) { > > + m_context.clear(); > > + return; > > + } > > The implementation of reset() references m_fbo which isn't initialized until the following line. Was this patch tested? Good catch. Patch updated. if m_context is cleared then the ::create() function returns 0 and the DrawingBuffer and its resources are released. 408555 6 94532 kbr 2011-05-23 18:45:57 -0700 Comment on attachment 94532 Patch Looks fine. I do wonder whether we should attempt to allocate the color buffer (generateColorTexture) at all if the size is too large, but it should fail with an OpenGL error and the cleanup code should work. 408556 7 jamesr 2011-05-23 18:47:43 -0700 (In reply to comment #6) > (From update of attachment 94532 [details]) > Looks fine. I do wonder whether we should attempt to allocate the color buffer (generateColorTexture) at all if the size is too large, but it should fail with an OpenGL error and the cleanup code should work. I think it'd be better to not attempt to create it, but everything should work correctly even if it fails. This path is not gonna be fast or resource light no matter what we do :) 408724 8 94532 commit-queue 2011-05-24 01:42:57 -0700 Comment on attachment 94532 Patch Clearing flags on attachment: 94532 Committed r87136: <http://trac.webkit.org/changeset/87136> 408725 9 commit-queue 2011-05-24 01:43:02 -0700 All reviewed patches have been landed. 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