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Read-only Git mirror of the Mercurial gecko repositories at https://hg.mozilla.org. How to contribute: https://firefox-source-docs.mozilla.org/contributing/contribution_quickref.html
3b6922b0b9
The size of the visible region, for either a painted layer or a webrender blob image, is calculated from the building rects of the contained display items, in local-space. This should be restricted to the display port, to prevent the visible regions growing too large leading to excessive memory usage. For items within large scale transforms, the local-space visible region should be very small. However, as we do not allow fractional sizes, the size of the visible region will be rounded up to at least 1. This means that when we convert the region back to screen-space, we are multiplying the extremely large scale by at least one, rather than by a much smaller fraction. This can result in incredibly large visible regions, and was causing OOM crashes. To avoid this, we clamp the maximum chosen scale for these layers/blob images to 32k. Layers affected by this problem should have a visible region with dimensions of 1 or 2, so this limits the resulting screen-space size for those to an acceptable value. Layers with visible regions sized greater than that should not have scales anywhere near this large, so will not be affected. Differential Revision: https://phabricator.services.mozilla.com/D55691 --HG-- extra : moz-landing-system : lando |
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| accessible | ||
| browser | ||
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| caps | ||
| chrome | ||
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| dom | ||
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| hal | ||
| image | ||
| intl | ||
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| js | ||
| layout | ||
| media | ||
| memory | ||
| mfbt | ||
| mobile | ||
| modules | ||
| mozglue | ||
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| remote | ||
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| services | ||
| servo | ||
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| view | ||
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| .cron.yml | ||
| .eslintignore | ||
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| .flake8 | ||
| .gdbinit | ||
| .gdbinit_python | ||
| .git-blame-ignore-revs | ||
| .gitattributes | ||
| .gitignore | ||
| .hg-annotate-ignore-revs | ||
| .hg-format-source | ||
| .hgignore | ||
| .hgtags | ||
| .lldbinit | ||
| .mailmap | ||
| .prettierignore | ||
| .prettierrc | ||
| .taskcluster.yml | ||
| .trackerignore | ||
| .yamllint | ||
| .ycm_extra_conf.py | ||
| aclocal.m4 | ||
| AUTHORS | ||
| build.gradle | ||
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| client.mk | ||
| client.py | ||
| CLOBBER | ||
| configure.in | ||
| configure.py | ||
| GNUmakefile | ||
| gradle.properties | ||
| gradlew | ||
| gradlew.bat | ||
| LEGAL | ||
| LICENSE | ||
| mach | ||
| Makefile.in | ||
| moz.build | ||
| moz.configure | ||
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| package.json | ||
| README.txt | ||
| settings.gradle | ||
| substitute-local-geckoview.gradle | ||
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An explanation of the Mozilla Source Code Directory Structure and links to
project pages with documentation can be found at:
https://developer.mozilla.org/en/Mozilla_Source_Code_Directory_Structure
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