The whole Terminal code is open source https://github.com/microsoft/terminal/blob/main/src/renderer/dx/DxRenderer.cpp#L1077 https://github.com/microsoft/termin

The whole Terminal code is open source https://github.com/microsoft/terminal/blob/main/src/renderer/dx/DxRenderer.cpp#L1077 https://github.com/microsoft/terminal/blob/main/src/renderer... The first comment in this function (DxEngine::StartPaint), for example: // If retro terminal effects are on, we must invalidate everything for them to draw correctly. // Yes, this will further impact the performance of retro terminal effects. // But we're talking about running the entire display pipeline through a shader for // cosmetic effect, so performance isn't likely the top concern with this feature.