use wgpu's Backends::PRIMARY instead of Backends::all() #2704
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Usage of
wgpu::Backends::PRIMARYinstead ofwgpu::Backends::all()prevents SIGSEGV on quit of any application that uses wgpu for rendering (see gfx-rs/wgpu#4650 (comment))This problem occurred in any application that uses iced (and wgpu) on Linux, Wayland (see #2625)
Even if this PR is not accepted, i think we need a way to set custom
wgpu::Backendsfromicedcrate without need to use raw iced's core crates