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Force editor layer for faster paint. #11267

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marijnh wants to merge 1 commit from github/fork/Tihauan/perf/editor-layer into master
pull from: github/fork/Tihauan/perf/editor-layer
merge into: codemirror:master
Conversation 3 Commits 1 Files changed 1 +1
marijnh commented 2016-07-12 20:32:28 +02:00 (Migrated from gitlab.com)
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Implement the layer separation suggested in [1] to reduce the print area when scrolling. The editor will get its own GPU accelerated layer [2]. It applies to Chrome/WebKit.

Before
before

After
after

[1] Tricks for high performance scrolling
[2] Accelerated Rendering in Chrome

Implement the layer separation suggested in [1] to reduce the print area when scrolling. The editor will get its own GPU accelerated layer [2]. It applies to Chrome/WebKit. Before ![before](https://cloud.githubusercontent.com/assets/284743/16778483/7f2fe2d4-486e-11e6-839a-323c8072704c.PNG) After ![after](https://cloud.githubusercontent.com/assets/284743/16778503/920c3394-486e-11e6-84e9-73e368b2440b.PNG) [1] [Tricks for high performance scrolling](https://groups.google.com/forum/#!searchin/codemirror/translate3d/codemirror/kQirncJtBjI/rdzEf1zOeRwJ) [2] [Accelerated Rendering in Chrome](http://www.html5rocks.com/en/tutorials/speed/layers/)
marijnh commented 2016-07-19 09:47:31 +02:00 (Migrated from gitlab.com)
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This will disable editor's subpixel anti aliasing.

This will disable editor's subpixel anti aliasing.
marijnh commented 2016-07-19 10:10:45 +02:00 (Migrated from gitlab.com)
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That's definitely a downside. And there are other invasive effects from applying transforms. Since this is easy enough to enable with a custom CSS rule if you really want it, I think I'd prefer not to merge this.

That's definitely a downside. And there are other [invasive effects](https://github.com/codemirror/CodeMirror/issues/3238#issuecomment-175849461) from applying transforms. Since this is easy enough to enable with a custom CSS rule if you really want it, I think I'd prefer not to merge this.
marijnh commented 2017-01-03 23:16:51 +01:00 (Migrated from gitlab.com)
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Closing until further notice.

Closing until further notice.
marijnh (Migrated from gitlab.com) closed this pull request 2017-01-03 23:16:51 +01:00

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