D27788: Implement EGL_KHR_partial_update and EGL_EXT_swap_buffers_with_damage

[David Edmundson]

davidedmundson added a comment.


  > he dirty region for the next frame is computed too late and I don't see how we can fix it because effects have the final say in what area of the screen will be repainted. :/
  
  Those effects will set the transform flag which means we'll be in paintGenericScreen which marks the whole screen as dirty anyway.
  As long as that happens, we don't need them to precalculate the correct geometry.

REPOSITORY
  R108 KWin

REVISION DETAIL
  https://phabricator.kde.org/D27788

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