[Scummvm-tracker] [ScummVM :: Bugs] #15978: Sanitarium always blits fullscreen rectangles

[ScummVM :: Bugs]

#15978: Sanitarium always blits fullscreen rectangles
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Reporter:  mikrosk  |      Owner:  (none)
    Type:  defect   |     Status:  new
Priority:  normal   |  Component:  Engine: Asylum
 Version:           |   Keywords:  performance
    Game:           |
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 Tested on Sanitarium Demo available from scummmvm.org: no matter the
 amount of animating sprites, the engine always blits a full 640x480
 rectangle, crippling performance quite noticeably on weaker hardware.
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Ticket URL: <https://bugs.scummvm.org/ticket/15978>
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