[require]
shader model >= 5.0
format r32-float uav-load

[uav 0]
format r32-float
size (2d, 1, 1)

0.1

[compute shader]
RWTexture2D<float> u;

    [numthreads(1, 1, 1)]
void main()
{
    u[uint2(0, 0)] = -123.0;
}

[test]
todo(glsl) dispatch 1 1 1
probe uav 0 (0, 0) r (-123.0)