layout(local_size_x = 64) in;

layout(set=0, binding=0) uniform constants {
    int x;
};

layout(set=0, binding=1) buffer outputBuffer {
    int[] results;
};

void main() {
    results[sk_GlobalInvocationID.x] *= x;
}
