default to bevy default

Author: mockersf

crates/bevy_render/src/view/window/mod.rs

@@ -1,7 +1,7 @@
 use crate::{
     render_resource::{PipelineCache, SpecializedRenderPipelines, SurfaceTexture, TextureView},
     renderer::{RenderAdapter, RenderDevice, RenderInstance},
-    texture::TextureFormatPixelInfo,
+    texture::{BevyDefault, TextureFormatPixelInfo},
     Extract, ExtractSchedule, Render, RenderApp, RenderSet,
 };
 use bevy_app::{App, Plugin};
@@ -245,7 +245,7 @@ pub fn prepare_windows(
                 // For future HDR output support, we'll need to request a format that supports HDR,
                 // but as of wgpu 0.15 that is not yet supported.
                 // Prefer sRGB formats for surfaces, but fall back to first available format if no sRGB formats are available.
-                let mut format = *formats.get(0).expect("No supported formats for surface");
+                let mut format = *formats.get(0).unwrap_or(&TextureFormat::bevy_default());
                 for available_format in formats {
                     // Rgba8UnormSrgb and Bgra8UnormSrgb and the only sRGB formats wgpu exposes that we can use for surfaces.
                     if available_format == TextureFormat::Rgba8UnormSrgb