How I Built GPU-Accelerated Frosted Glass and Acrylic Blur for .NET MAUI (And Why Every Other Library Gets It Wrong)

Blur on Android in MAUI is kind of a mess. I needed a frosted-glass effect over a scrolling message list and everything I tried either stuttered or just looked bad when the content behind it moved. So I dug into how all the existing libraries actually work under the hood. Turns out they're all doing the same thing: Grab a Bitmap of what's behind the view, on the CPU Run a blur pass in software Push it back up to the GPU Do it again next frame Every. Single. Frame. No wonder it drops frames. Why