linux: Better GPU debugging (#14706)

Release Notes:

- linux: Added GPU information to `editor: Copy System Specs to
Clipboard`
- linux: Show a prominant warning before running under llvmpipe and
similar.

crates/gpui/src/platform/linux/wayland/window.rs

@@ -25,7 +25,7 @@ use crate::platform::linux::wayland::serial::SerialKind;
 use crate::platform::{PlatformAtlas, PlatformInputHandler, PlatformWindow};
 use crate::scene::Scene;
 use crate::{
-    px, size, AnyWindowHandle, Bounds, Decorations, Globals, Modifiers, Output, Pixels,
+    px, size, AnyWindowHandle, Bounds, Decorations, GPUSpecs, Globals, Modifiers, Output, Pixels,
     PlatformDisplay, PlatformInput, Point, PromptLevel, ResizeEdge, Size, Tiling,
     WaylandClientStatePtr, WindowAppearance, WindowBackgroundAppearance, WindowBounds,
     WindowControls, WindowDecorations, WindowParams,
@@ -1007,6 +1007,10 @@ impl PlatformWindow for WaylandWindow {
             update_window(state);
         }
     }
+
+    fn gpu_specs(&self) -> Option<GPUSpecs> {
+        self.borrow().renderer.gpu_specs().into()
+    }
 }
 
 fn update_window(mut state: RefMut<WaylandWindowState>) {