### Compilation failed:

error: 6: 'main' parameters must be (vec4|float4|half4, vec4|float4|half4)
error: 7: 'main' parameters must be (vec4|float4|half4, vec4|float4|half4)
error: 7: unknown identifier 'src'
error: 8: 'main' parameters must be (vec4|float4|half4, vec4|float4|half4)
error: 8: unknown identifier 'src'
error: 9: 'main' parameters must be (vec4|float4|half4, vec4|float4|half4)
error: 9: unknown identifier 'src'
error: 9: unknown identifier 'dst'
error: 10: 'main' parameters must be (vec4|float4|half4, vec4|float4|half4)
error: 10: unknown identifier 'src'
error: 10: unknown identifier 'dst'
11 errors