tests/sksl/wgsl/CastVec4ToMat2x2.wgsl

struct FSIn {
    @builtin(front_facing) sk_Clockwise: bool,
};
struct FSOut {
    @location(0) sk_FragColor: vec4<f32>,
};
fn main(_stageOut: ptr<function, FSOut>) {
    var m1: mat2x2<f32> = mat2x2<f32>(vec2<f32>(1.0, 2.0), vec2<f32>(3.0, 4.0));
    var m2: mat2x2<f32> = mat2x2<f32>(vec2<f32>(1.0, 2.0), vec2<f32>(3.0, 4.0));
    var m3: mat2x2<f32> = mat2x2<f32>(vec2<f32>(1.0, 2.0), vec2<f32>(3.0, 4.0));
    var m4: mat2x2<f32> = mat2x2<f32>(vec2<f32>(1.0, 2.0), vec2<f32>(3.0, 4.0));
    (*_stageOut).sk_FragColor = ((m1 * m2) * mat2x2<f32>(m3 * m4)[0]).xyxy;
}
@fragment fn fragmentMain(_stageIn: FSIn) -> FSOut {
    var _stageOut: FSOut;
    main(&_stageOut);
    return _stageOut;
}