cranpose 0.1.162

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

#[test]
fn uniform_binding_size_follows_adapter_up_to_desktop_default() {
    let desktop_binding = wgpu::Limits::default().max_uniform_buffer_binding_size;

    let capable = mobile_device_limits(wgpu::Limits::default());
    assert_eq!(capable.max_uniform_buffer_binding_size, desktop_binding);

    let mut minimal = wgpu::Limits::downlevel_defaults();
    minimal.max_uniform_buffer_binding_size = 16384;
    let limits = mobile_device_limits(minimal);
    assert_eq!(limits.max_uniform_buffer_binding_size, 16384);

    let big_textures = wgpu::Limits {
        max_texture_dimension_2d: 16384,
        ..wgpu::Limits::default()
    };
    let limits = mobile_device_limits(big_textures);
    assert_eq!(limits.max_texture_dimension_2d, 16384);
}

#[test]
fn compute_limits_never_exceed_adapter() {
    let no_compute = wgpu::Limits {
        max_compute_workgroups_per_dimension: 0,
        max_compute_invocations_per_workgroup: 0,
        max_compute_workgroup_size_x: 0,
        max_compute_workgroup_size_y: 0,
        max_compute_workgroup_size_z: 0,
        max_compute_workgroup_storage_size: 0,
        ..wgpu::Limits::downlevel_defaults()
    };
    let limits = mobile_device_limits(no_compute);
    assert_eq!(limits.max_compute_workgroups_per_dimension, 0);
    assert_eq!(limits.max_compute_invocations_per_workgroup, 0);
    assert_eq!(limits.max_compute_workgroup_storage_size, 0);
}

#[test]
fn storage_limits_never_exceed_adapter() {
    let no_storage = wgpu::Limits {
        max_storage_buffer_binding_size: 0,
        max_storage_buffers_per_shader_stage: 0,
        max_storage_textures_per_shader_stage: 0,
        max_dynamic_storage_buffers_per_pipeline_layout: 0,
        ..wgpu::Limits::downlevel_defaults()
    };
    let limits = mobile_device_limits(no_storage);
    assert_eq!(limits.max_storage_buffer_binding_size, 0);
    assert_eq!(limits.max_storage_buffers_per_shader_stage, 0);
    assert_eq!(limits.max_storage_textures_per_shader_stage, 0);
    assert_eq!(limits.max_dynamic_storage_buffers_per_pipeline_layout, 0);
}