xref: /aosp_15_r20/external/skia/resources/sksl/runtime/SwitchWithFallthrough.rts (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1*c8dee2aaSAndroid Build Coastguard Workeruniform half4 colorGreen, colorRed;
2*c8dee2aaSAndroid Build Coastguard Worker
3*c8dee2aaSAndroid Build Coastguard Workerbool switch_fallthrough(int value) {
4*c8dee2aaSAndroid Build Coastguard Worker    bool ok = false;
5*c8dee2aaSAndroid Build Coastguard Worker    switch (value) {
6*c8dee2aaSAndroid Build Coastguard Worker        case 2:  break;
7*c8dee2aaSAndroid Build Coastguard Worker        case 1:
8*c8dee2aaSAndroid Build Coastguard Worker        case 0:  ok = true; break;
9*c8dee2aaSAndroid Build Coastguard Worker        default: break;
10*c8dee2aaSAndroid Build Coastguard Worker    }
11*c8dee2aaSAndroid Build Coastguard Worker    return ok;
12*c8dee2aaSAndroid Build Coastguard Worker}
13*c8dee2aaSAndroid Build Coastguard Worker
14*c8dee2aaSAndroid Build Coastguard Workerbool switch_fallthrough_twice(int value) {
15*c8dee2aaSAndroid Build Coastguard Worker    bool ok = false;
16*c8dee2aaSAndroid Build Coastguard Worker    switch (value) {
17*c8dee2aaSAndroid Build Coastguard Worker        case 0:  break;
18*c8dee2aaSAndroid Build Coastguard Worker        case 1:
19*c8dee2aaSAndroid Build Coastguard Worker        case 2:
20*c8dee2aaSAndroid Build Coastguard Worker        case 3:  ok = true; break;
21*c8dee2aaSAndroid Build Coastguard Worker        default: break;
22*c8dee2aaSAndroid Build Coastguard Worker    }
23*c8dee2aaSAndroid Build Coastguard Worker    return ok;
24*c8dee2aaSAndroid Build Coastguard Worker}
25*c8dee2aaSAndroid Build Coastguard Worker
26*c8dee2aaSAndroid Build Coastguard Workerhalf4 main(float2 coords) {
27*c8dee2aaSAndroid Build Coastguard Worker    int x = int(colorGreen.g);
28*c8dee2aaSAndroid Build Coastguard Worker    return (switch_fallthrough(x) && switch_fallthrough_twice(x)) ? colorGreen : colorRed;
29*c8dee2aaSAndroid Build Coastguard Worker}
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