1cb93a386Sopenharmony_ciuniform half4 colorGreen, colorRed;
2cb93a386Sopenharmony_ci
3cb93a386Sopenharmony_ciconst float3x3 values = float3x3(1);
4cb93a386Sopenharmony_ci
5cb93a386Sopenharmony_ciinline float3 indexMatrix(int index) {
6cb93a386Sopenharmony_ci    return values[index];
7cb93a386Sopenharmony_ci}
8cb93a386Sopenharmony_ci
9cb93a386Sopenharmony_cihalf4 main(float2 coords) {
10cb93a386Sopenharmony_ci    float3 ok = indexMatrix(0) + indexMatrix(1) + indexMatrix(2);
11cb93a386Sopenharmony_ci    float3 undefined = indexMatrix(-1) + indexMatrix(3);
12cb93a386Sopenharmony_ci    return colorGreen;
13cb93a386Sopenharmony_ci}
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