David Maas

This feels extremely like an [XY problem](https://xyproblem.info/). What you're describing sounds excessively convoluted. The best documentation for understanding the ID stack is [this FAQ entry](https://github.com/ocornut/imgui/blob/d3c3514a59bb31406c954c2b525f330e9d167845/docs/FAQ.md#q-about-the-id-stack-system). It feels like you have...

> What happens if local temporary objects go out of scope, before the call to render? Will that matter to ImGui? As Omar noted, that reference isn't stored or used...

> I think it’d be important to see if this strategy can make sense in multi-viewport mode. This change only applies to `SDL_Renderer` as far as I can tell, and...

This is a known issue, see https://github.com/ocornut/imgui/issues/2361 (Also thanks for filling out the entire issue template!)

Dear ImGui currently doesn't play nice with sRGB backbuffers. https://github.com/ocornut/imgui/issues/578 https://github.com/ocornut/imgui/issues/1724 https://github.com/ocornut/imgui/pull/2943 https://github.com/ocornut/imgui/issues/4890 Unfortunately no consensus has been reached on what the appropriate fix should be. The maybe-good-enough bandaid fix...

Dear ImGui currently does not support secondary viewports with transparent backgrounds. ([Alpha is explicitly ignored for viewport-owned windows](https://github.com/ocornut/imgui/blob/a88e5be7f478233e74c72c72eabb1d5f1cb69bb5/imgui.cpp#L6320-L6322)) See also https://github.com/ocornut/imgui/pull/2766 > win32/ogl3 is the odd one out as the...

Found in the wild, [Portal with RTX](https://store.steampowered.com/app/2012840/Portal_with_RTX/) features a familiar face: