1*c8dee2aaSAndroid Build Coastguard Worker#version 400 2*c8dee2aaSAndroid Build Coastguard Workerout vec4 sk_FragColor; 3*c8dee2aaSAndroid Build Coastguard Workeruniform vec4 src; 4*c8dee2aaSAndroid Build Coastguard Workeruniform vec4 dst; 5*c8dee2aaSAndroid Build Coastguard Workervoid main() { 6*c8dee2aaSAndroid Build Coastguard Worker sk_FragColor = vec4((src.xyz + dst.xyz) - 2.0 * min(src.xyz * dst.w, dst.xyz * src.w), src.w + (1.0 - src.w) * dst.w); 7*c8dee2aaSAndroid Build Coastguard Worker} 8