[Scummvm-tracker] [ScummVM :: Bugs] #12473: Switching between windowed and fullscreen mode in 3D OpenGL games loses the loaded textures

[ScummVM :: Bugs]

#12473: Switching between windowed and fullscreen mode in 3D OpenGL games loses the
loaded textures
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Reporter:  eriktorbjorn  |      Owner:  (none)
    Type:  defect        |     Status:  new
Priority:  normal        |  Component:  Graphics
 Version:                |   Keywords:
    Game:                |
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 When switching between windowed and fullscreen mode in a 3D game, the
 textures are lost. I'm led to believe that these are stored as part of an
 OpenGL context, that gets destroyed and (not quite) recreated in the
 process?

 At least this happens when I run the games under Linux. It seems the
 "OpenGL" renderer tends to leave the screen white, while the "OpenGL with
 shaders" renderer leaves the screen black.

 The software renderer works (and also honors the "stretch mode" setting; I
 haven't found any way to run Grim Fandango in fullscreen and OpenGL
 without distorting the game to fill the whole screen), but that's not an
 ideal solution. Particularly not with Myst III, where software rendering
 runs pretty slow.
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Ticket URL: <https://bugs.scummvm.org/ticket/12473>
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