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//! WGPU rendering backend (GPU acceleration) #[cfg(feature = "gpu")] use wgpu; #[cfg(feature = "gpu")] use egui_wgpu; /// WGPU backend for GPU-accelerated rendering #[cfg(feature = "gpu")] pub struct WgpuBackend { // GPU resources would be stored here } #[cfg(feature = "gpu")] impl WgpuBackend { pub fn new() -> Self { Self {} } }