xref: /aosp_15_r20/external/skia/resources/sksl/shared/StructsInFunctions.sksl (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1/*#pragma settings NoInline*/
2
3uniform half4 colorRed, colorGreen;
4
5struct S { float x; int y; };
6
7struct Nested { S a, b; };
8
9struct Compound { float4 f4; int3 i3; };
10
11S returns_a_struct() {
12    S s;
13    s.x = 1;
14    s.y = 2;
15    return s;
16}
17
18S constructs_a_struct() {
19    return S(2, 3);
20}
21
22float accepts_a_struct(S s) {
23    return s.x + float(s.y);
24}
25
26void modifies_a_struct(inout S s) {
27    s.x++;
28    s.y++;
29}
30
31half4 main(float2 coords) {
32    S s = returns_a_struct();
33    float x = accepts_a_struct(s);
34    modifies_a_struct(s);
35
36    S expected = constructs_a_struct();
37
38    Nested n1, n2, n3;
39    n1.a = returns_a_struct();
40    n1.b = n1.a;
41    n2 = n1;
42    n3 = n2;
43    modifies_a_struct(n3.b);
44
45    Compound c1 = Compound(float4(1, 2, 3, 4), int3(5, 6, 7));
46    Compound c2 = Compound(float4(colorGreen.g, 2, 3, 4), int3(5, 6, 7));
47    Compound c3 = Compound(float4(colorGreen.r, 2, 3, 4), int3(5, 6, 7));
48
49    bool valid = (x == 3) && (s.x == 2) && (s.y == 3) &&
50                 (s == expected) && (s == S(2, 3)) && (s != returns_a_struct()) &&
51                 (n1 == n2) && (n1 != n3) && (n3 == Nested(S(1, 2), S(2, 3))) &&
52                 (c1 == c2) && (c2 != c3);
53
54    return valid ? colorGreen : colorRed;
55}
56