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MXCFB: Match the Kobo behavior for "fast" on every device where I know it'll behave sanely. #1312

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merged 3 commits into from Feb 21, 2021

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@NiLuJe NiLuJe commented Feb 21, 2021

We've effectively switched to DU for "fast" everywhere, and we've
limited our usage of "fast" to plain highlights.
Relying on FORCE_MONOCHROME for these use-cases is unnecessary, and has
known side-effects on various platforms, ranging from minor refresh
glitches to more severe and pernicious issues.

(That leaves PB, which I can't test, and where DU and especially A2
are already special snowflakes to begin with, even on NXP SoCs).


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it'll behave sanely.

We've effectively switched to DU for "fast" everywhere, and we've
limited our usage of "fast" to plain highlights.
Relying on FORCE_MONOCHROME for these use-cases is unnecessary, and has
known side-effects on various platforms, ranging from minor refresh
glitches to more severe and pernicious issues.

(That leaves PB, which I can't test, and where DU and especially A2
are already special snowflakes to begin with, even on NXP SoCs).
@NiLuJe
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NiLuJe commented Feb 21, 2021

In short: stop requesting FORCE_MONOCHROME for fast. We don't need it, and it's hella buggy on EPDCv2.

It's highly device & context specific,
but given the fact that A2/DU mangles text no matter what,
I'll take the option that doesn't cause more weird bugs ^^.
@NiLuJe NiLuJe merged commit 529d741 into koreader:master Feb 21, 2021
NiLuJe added a commit to NiLuJe/koreader that referenced this pull request Feb 21, 2021
NiLuJe added a commit to koreader/koreader that referenced this pull request Feb 21, 2021
@yparitcher
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regression:
koreader/koreader#7326 (comment)
on PW4 (rex)

@NiLuJe NiLuJe mentioned this pull request Feb 23, 2021
NiLuJe added a commit that referenced this pull request Feb 23, 2021
* Fix a terrible typo in #1312 that used the wrong A2 constant on Zelda/Rex, causing the Reader to get squished to 2bit by FORCE_MONOCHROME. Ouch.
roygbyte pushed a commit to roygbyte/koreader-base that referenced this pull request Mar 3, 2022
…w it'll behave sanely. (koreader#1312)

* MXCFB: Match the Kobo behavior for "fast" on every device where I know
it'll behave sanely.

We've effectively switched to DU for "fast" everywhere, and we've
limited our usage of "fast" to plain highlights.
Relying on FORCE_MONOCHROME for these use-cases is unnecessary, and has
known side-effects on various platforms, ranging from minor refresh
glitches to more severe and pernicious issues.

(That leaves PB, which I can't test, and where DU and especially A2
are already special snowflakes to begin with, even on NXP SoCs).
roygbyte pushed a commit to roygbyte/koreader-base that referenced this pull request Mar 3, 2022
* Fix a terrible typo in koreader#1312 that used the wrong A2 constant on Zelda/Rex, causing the Reader to get squished to 2bit by FORCE_MONOCHROME. Ouch.
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2 participants