cranpose 0.1.162

Cranpose runtime and UI facade
Documentation 
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use super::*;

#[test]
fn prefers_non_srgb_over_srgb() {
    let formats = [
        wgpu::TextureFormat::Bgra8UnormSrgb,
        wgpu::TextureFormat::Bgra8Unorm,
        wgpu::TextureFormat::Rgba8Unorm,
    ];
    assert_eq!(
        select_display_surface_format(&formats),
        Some(wgpu::TextureFormat::Bgra8Unorm),
        "sRGB views double-encode the framework's sRGB-space colors"
    );
}

#[test]
fn falls_back_to_first_format_when_only_srgb_is_offered() {
    let formats = [wgpu::TextureFormat::Bgra8UnormSrgb];
    assert_eq!(
        select_display_surface_format(&formats),
        Some(wgpu::TextureFormat::Bgra8UnormSrgb)
    );
}

#[test]
fn empty_capabilities_yield_none() {
    assert_eq!(select_display_surface_format(&[]), None);
}

#[test]
fn srgb_surface_uses_linear_view_for_native_srgb_values() {
    assert_eq!(
        display_surface_view_format(wgpu::TextureFormat::Bgra8UnormSrgb),
        wgpu::TextureFormat::Bgra8Unorm
    );
    assert_eq!(
        display_surface_view_formats(wgpu::TextureFormat::Bgra8UnormSrgb),
        vec![wgpu::TextureFormat::Bgra8Unorm]
    );
    assert!(display_surface_view_formats(wgpu::TextureFormat::Bgra8Unorm).is_empty());
}