### Compilation failed:

error: 1: type 'texture2D' does not support qualifier 'readonly'
layout(set = 0, binding = 1, rgba8) readonly texture2D aTexture;
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: 1: invalid type
layout(set = 0, binding = 1, rgba8) readonly texture2D aTexture;
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: 2: invalid type
layout(set = 0, binding = 2) sampler2D aSampledTexture;
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: 4: 'in' is not permitted here
layout(location = 1) in float2 c;
^^^^^^^^^^^^^^^^^^^^^^^
error: 4: layout qualifier 'location' is not permitted here
layout(location = 1) in float2 c;
^^^^^^^^^^^^^^^^^^^^^^^
error: 6: type 'texture2D' does not support qualifier 'readonly'
noinline half4 helpers_helper(sampler2D s, layout(rgba8) readonly texture2D t) {
                                           ^^^^^^^^^^^^^^^^^^^^^^
error: 6: layout qualifier 'rgba8' is not permitted here
noinline half4 helpers_helper(sampler2D s, layout(rgba8) readonly texture2D t) {
                                           ^^^^^^^^^^^^^^^^^^^^^^
error: 7: unknown identifier 'sample'
    return sample(s, c);
           ^^^^^^
error: 10: type 'texture2D' does not support qualifier 'readonly'
noinline half4 helper(layout(rgba8) readonly texture2D t, sampler2D s) {
                      ^^^^^^^^^^^^^^^^^^^^^^
error: 10: layout qualifier 'rgba8' is not permitted here
noinline half4 helper(layout(rgba8) readonly texture2D t, sampler2D s) {
                      ^^^^^^^^^^^^^^^^^^^^^^
error: 14: 'main' must return: 'vec4', 'float4', or 'half4'
void main() {
^^^^^^^^^^^
error: 15: unknown identifier 'sk_FragColor'
    sk_FragColor = helper(aTexture, aSampledTexture);
    ^^^^^^^^^^^^
error: 15: unknown identifier 'aTexture'
    sk_FragColor = helper(aTexture, aSampledTexture);
                          ^^^^^^^^
error: 15: unknown identifier 'aSampledTexture'
    sk_FragColor = helper(aTexture, aSampledTexture);
                                    ^^^^^^^^^^^^^^^
14 errors