Fix rounded corners in popups and dropdowns #29389
Merged
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Resolves: #29291
Introduces a new
RoundedCornersEffect
shader effect, replacing the masking functionality from Qt5Compat. Using this to clip the contents of popups and dropdowns according to rounded corners.The shader is for a big part written by GitHub Copilot, but I did compare it to solutions found online. I assume that writing a simple shader should be faster than creating another Rectangle and using masking, but I'm not certain of that.