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ImGUI root window size mismatch in Borderless mode with custom resolution (SSE Display Tweaks)

Open zndxcvbn opened this issue 3 months ago • 1 comments
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When using Borderless mode with SSE Display Tweaks, the ImGUI root window size does not match the in-game resolution, causing UI elements to be cut off or rendered outside the visible area.

Reproduction Steps:

  1. Set native monitor resolution to 1920x1080.
  2. Use SSE Display Tweaks to run the game in Borderless mode at a higher resolution, e.g. 2560x1440.
  3. Open CS Menu.

For OAR - Open Animation Replacer, which also uses ImGUI, this problem does not occur. The following information may help in solving the problem: Information from patchuli (link to CS Discord with discussion): https://discord.com/channels/1080142797870485606/1386469571443163237/1394069538395525200

Implementation of the OAR menu: https://github.com/ersh1/OpenAnimationReplacer/blob/786b286ffc0f680d9cbe3e70f59c5cf2387d3017/src/UI/UIManager.cpp

Screenshot (game resolution 3840x2400, native monitor resolution 2560x1600): Image

How does OAR work with the same settings (game resolution 3840x2400, native monitor resolution 2560x1600): Image

My settings SSE Display Tweaks: SSE DisplayTweeks Borderless Settings.zip

zndxcvbn avatar Jul 27 '25 14:07 zndxcvbn