xref: /aosp_15_r20/external/skia/resources/sksl/shared/PostfixExpressions.sksl (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1*c8dee2aaSAndroid Build Coastguard Workeruniform half4 colorGreen, colorRed;
2*c8dee2aaSAndroid Build Coastguard Worker
3*c8dee2aaSAndroid Build Coastguard Workerhalf4 main(float2 c) {
4*c8dee2aaSAndroid Build Coastguard Worker    bool ok = true;
5*c8dee2aaSAndroid Build Coastguard Worker
6*c8dee2aaSAndroid Build Coastguard Worker    // Postfix ++ and -- (scalar int).
7*c8dee2aaSAndroid Build Coastguard Worker    int i = 5;
8*c8dee2aaSAndroid Build Coastguard Worker    i++;
9*c8dee2aaSAndroid Build Coastguard Worker    ok = ok && (i++ == 6);
10*c8dee2aaSAndroid Build Coastguard Worker    ok = ok && (i == 7);
11*c8dee2aaSAndroid Build Coastguard Worker    ok = ok && (i-- == 7);
12*c8dee2aaSAndroid Build Coastguard Worker    ok = ok && (i == 6);
13*c8dee2aaSAndroid Build Coastguard Worker    i--;
14*c8dee2aaSAndroid Build Coastguard Worker    ok = ok && (i == 5);
15*c8dee2aaSAndroid Build Coastguard Worker
16*c8dee2aaSAndroid Build Coastguard Worker    // Postfix ++ and -- (scalar float).
17*c8dee2aaSAndroid Build Coastguard Worker    float f = 0.5;
18*c8dee2aaSAndroid Build Coastguard Worker    f++;
19*c8dee2aaSAndroid Build Coastguard Worker    ok = ok && (f++ == 1.5);
20*c8dee2aaSAndroid Build Coastguard Worker    ok = ok && (f == 2.5);
21*c8dee2aaSAndroid Build Coastguard Worker    ok = ok && (f-- == 2.5);
22*c8dee2aaSAndroid Build Coastguard Worker    ok = ok && (f == 1.5);
23*c8dee2aaSAndroid Build Coastguard Worker    f--;
24*c8dee2aaSAndroid Build Coastguard Worker    ok = ok && (f == 0.5);
25*c8dee2aaSAndroid Build Coastguard Worker
26*c8dee2aaSAndroid Build Coastguard Worker    // Postfix ++ and -- (vector-component float).
27*c8dee2aaSAndroid Build Coastguard Worker    float2 f2 = float2(0.5);
28*c8dee2aaSAndroid Build Coastguard Worker    f2.x++;
29*c8dee2aaSAndroid Build Coastguard Worker    ok = ok && (f2.x++ == 1.5);
30*c8dee2aaSAndroid Build Coastguard Worker    ok = ok && (f2.x == 2.5);
31*c8dee2aaSAndroid Build Coastguard Worker    ok = ok && (f2.x-- == 2.5);
32*c8dee2aaSAndroid Build Coastguard Worker    ok = ok && (f2.x == 1.5);
33*c8dee2aaSAndroid Build Coastguard Worker    f2.x--;
34*c8dee2aaSAndroid Build Coastguard Worker    ok = ok && (f2.x == 0.5);
35*c8dee2aaSAndroid Build Coastguard Worker
36*c8dee2aaSAndroid Build Coastguard Worker    // Postfix ++ and -- (vector float).
37*c8dee2aaSAndroid Build Coastguard Worker    f2++;
38*c8dee2aaSAndroid Build Coastguard Worker    ok = ok && (f2++ == float2(1.5));
39*c8dee2aaSAndroid Build Coastguard Worker    ok = ok && (f2 == float2(2.5));
40*c8dee2aaSAndroid Build Coastguard Worker    ok = ok && (f2-- == float2(2.5));
41*c8dee2aaSAndroid Build Coastguard Worker    ok = ok && (f2 == float2(1.5));
42*c8dee2aaSAndroid Build Coastguard Worker    f2--;
43*c8dee2aaSAndroid Build Coastguard Worker    ok = ok && (f2 == float2(0.5));
44*c8dee2aaSAndroid Build Coastguard Worker
45*c8dee2aaSAndroid Build Coastguard Worker    // Postfix ++ and -- (vector int).
46*c8dee2aaSAndroid Build Coastguard Worker    int4 i4 = int4(7, 8, 9, 10);
47*c8dee2aaSAndroid Build Coastguard Worker    i4++;
48*c8dee2aaSAndroid Build Coastguard Worker    ok = ok && (i4++ == int4(8, 9, 10, 11));
49*c8dee2aaSAndroid Build Coastguard Worker    ok = ok && (i4 == int4(9, 10, 11, 12));
50*c8dee2aaSAndroid Build Coastguard Worker    ok = ok && (i4-- == int4(9, 10, 11, 12));
51*c8dee2aaSAndroid Build Coastguard Worker    ok = ok && (i4 == int4(8, 9, 10, 11));
52*c8dee2aaSAndroid Build Coastguard Worker    i4--;
53*c8dee2aaSAndroid Build Coastguard Worker    ok = ok && (i4 == int4(7, 8, 9, 10));
54*c8dee2aaSAndroid Build Coastguard Worker
55*c8dee2aaSAndroid Build Coastguard Worker    // Postfix ++ and -- (matrix).
56*c8dee2aaSAndroid Build Coastguard Worker    float3x3 m3x3 = float3x3(1, 2, 3, 4, 5, 6, 7, 8, 9);
57*c8dee2aaSAndroid Build Coastguard Worker    m3x3++;
58*c8dee2aaSAndroid Build Coastguard Worker    ok = ok && (m3x3++ == float3x3(2, 3, 4, 5, 6, 7, 8, 9, 10));
59*c8dee2aaSAndroid Build Coastguard Worker    ok = ok && (m3x3 == float3x3(3, 4, 5, 6, 7, 8, 9, 10, 11));
60*c8dee2aaSAndroid Build Coastguard Worker    ok = ok && (m3x3-- == float3x3(3, 4, 5, 6, 7, 8, 9, 10, 11));
61*c8dee2aaSAndroid Build Coastguard Worker    ok = ok && (m3x3 == float3x3(2, 3, 4, 5, 6, 7, 8, 9, 10));
62*c8dee2aaSAndroid Build Coastguard Worker    m3x3--;
63*c8dee2aaSAndroid Build Coastguard Worker    ok = ok && (m3x3 == float3x3(1, 2, 3, 4, 5, 6, 7, 8, 9));
64*c8dee2aaSAndroid Build Coastguard Worker
65*c8dee2aaSAndroid Build Coastguard Worker    return ok ? colorGreen : colorRed;
66*c8dee2aaSAndroid Build Coastguard Worker}
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