[Scummvm-tracker] [ScummVM :: Bugs] #15012: WIN32: High-DPI scaling on OpenGL-rendered games cause mouse DPI to scale down

[ScummVM :: Bugs]

#15012: WIN32: High-DPI scaling on OpenGL-rendered games cause mouse DPI to scale
down
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Reporter:  lotharsm  |      Owner:  (none)
    Type:  defect    |     Status:  new
Priority:  normal    |  Component:  Port: Win64
 Version:            |   Keywords:
    Game:            |
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 I noticed a strange issue when testing TWP with the current master code.

 To replicate, you need a High-DPI screen with the OpenGL auto-scaling
 enabled. I usually tend to set my mouse DPI fairly high to get a very
 "fast" movement.

 I noticed that after starting TWP, the mouse curser moves _way_ slower
 than before, even after returning to launcher through the GMM.

 I wasn't able to replicate it with the "default" OpenGL rendered games
 though, it seems to be an issue with the OpenGL3D backend.

 Switching to and from the OpenGL3D backup seems to mess up the internal
 scaling somehow...
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Ticket URL: <https://bugs.scummvm.org/ticket/15012>
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