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Sign upSync changes from mozilla-central gfx/wr #4023
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…ration. r=miko When iterating a "built display list" the iterator expects there to be a red zone at the end of the data buffer. The incremental display list emitter fakes having a built display list, but it still needs to tack on the red zone to satisfy the iterator (and assertions inside peek-poke). However we don't want to keep this red zone there after we're done, so this patch also adds a new method to peek-poke that strips away the red zone. The churn caused on the vector capacity should be negligible because this churn would happen anyway as new items are added to the display list and when the display list is actually finalized at the end. Differential Revision: https://phabricator.services.mozilla.com/D83788 [ghsync] From https://hg.mozilla.org/mozilla-central/rev/abb94818ea0d4798420c3d0c80871812a9754e79
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@bors-servo r=auto |
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moz-gfx commentedJul 20, 2020
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