| ### Compilation failed: | |
| error: 1: function 'half4 blend_src_over(half4 src, half4 dst)' was already defined | |
| half4 blend_src_over(half4 src, half4 dst) { | |
| ^... | |
| error: 5: shader 'main' must be main() or main(float2) | |
| half4 main(half4 src, half4 dst) { | |
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | |
| error: 6: unknown identifier 'src' | |
| return blend_src_over(src, half4(1) - dst); | |
| ^^^ | |
| error: 6: unknown identifier 'dst' | |
| return blend_src_over(src, half4(1) - dst); | |
| ^^^ | |
| 4 errors |