1### Compilation failed: 2 3error: 1: 'in' is not permitted here 4layout(location=0) in float defaultVarying; 5^^^^^^^^^^^^^^^^^^^^^ 6error: 1: layout qualifier 'location' is not permitted here 7layout(location=0) in float defaultVarying; 8^^^^^^^^^^^^^^^^^^^^^ 9error: 2: 'in' is not permitted here 10layout(location=1) in noperspective float linearVarying; 11^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 12error: 2: 'noperspective' is not permitted here 13layout(location=1) in noperspective float linearVarying; 14^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 15error: 2: layout qualifier 'location' is not permitted here 16layout(location=1) in noperspective float linearVarying; 17^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 18error: 3: 'in' is not permitted here 19layout(location=2) in flat float flatVarying; 20^^^^^^^^^^^^^^^^^^^^^^^^^^ 21error: 3: 'flat' is not permitted here 22layout(location=2) in flat float flatVarying; 23^^^^^^^^^^^^^^^^^^^^^^^^^^ 24error: 3: layout qualifier 'location' is not permitted here 25layout(location=2) in flat float flatVarying; 26^^^^^^^^^^^^^^^^^^^^^^^^^^ 27error: 5: 'main' must return: 'vec4', 'float4', or 'half4' 28void main() { 29^^^^^^^^^^^ 30error: 6: unknown identifier 'sk_FragColor' 31 sk_FragColor = half4(defaultVarying, linearVarying, flatVarying, 1.0); 32 ^^^^^^^^^^^^ 3310 errors 34