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[Windows Standalone][Stylus/Touch] touch.pressure is always reported as 0 #171

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renaldasrep opened this issue Jul 12, 2018 · 3 comments
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[Windows Standalone][Stylus/Touch] touch.pressure is always reported as 0 #171

renaldasrep opened this issue Jul 12, 2018 · 3 comments
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enhancement Functionality that would be good to have

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@renaldasrep
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Found using: b0c8fc2
Device: Microsoft Surface Pro (Model: 1796) + Microsoft Surface Pen (Model: 1776)

Pressure is always reported as 0
@renaldasrep renaldasrep changed the title [Windows][Stylus] Pressure is always reported as 0 [Windows][Stylus/Touch] Pressure is always reported as 0 Jul 12, 2018
@renaldasrep renaldasrep changed the title [Windows][Stylus/Touch] Pressure is always reported as 0 [Windows Standalone][Stylus/Touch] Pressure is always reported as 0 Jul 12, 2018
@renaldasrep renaldasrep changed the title [Windows Standalone][Stylus/Touch] Pressure is always reported as 0 [Windows Standalone][Stylus/Touch] touch.pressure is always reported as 0 Jul 13, 2018
@Rene-Damm
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The Windows 7 touch API does not support pressure. I think what we ultimately want is Windows 8+ pointer API-based touch support. Unfortunately, as long as we haven't dropped Win 7 support (which likely won't be the case for quite a while), that'll mean that the touch codepath will get split in two, making it quite likely the old Win7 codepath will break more often.

Anyway, something to look into. For now, as long as we support pressure on pens, I'm not terribly concerned about not supporting pressure on touch.

@Rene-Damm Rene-Damm added the enhancement Functionality that would be good to have label Jul 18, 2018
@renaldasrep
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now it seems to be either 0 or some cosmical number like 8.884232E-43

@JiaUnity
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Closing. Tracked here: https://issuetracker.unity3d.com/issues/windows-touch-touch-dot-pressure-is-always-reported-as-0

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@Rene-Damm @JiaUnity @renaldasrep