xref: /aosp_15_r20/external/skia/resources/sksl/folding/Negation.rts (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1uniform half4 colorGreen, colorRed;
2
3bool test_fvec() {
4    const float one = 1;
5    float two = 2;
6    const half4 one_splat = half4(1);
7    const half4 one_compound = half4(1, 1, 1, 1);
8
9    bool ok = true;
10    ok = ok && (half4(-1) == -one_splat);
11    ok = ok && (half4(-1, -1, -1, -1) == -one_splat);
12    ok = ok && (half4(-1) == -one_compound);
13    ok = ok && (half4(-1, -1, -1, -1) == -one_compound);
14    ok = ok && (-half4(1) == -one_splat);
15    ok = ok && (-half4(1, 1, 1, 1) == -one_splat);
16    ok = ok && (-half4(1) == -one_compound);
17    ok = ok && (-half4(1, 1, 1, 1) == -one_compound);
18    ok = ok && (half4(-1) == -one_compound);
19    ok = ok && (half4(-1) == -half4(-half2(-1), half2(1)));
20    ok = ok && (half4(1) != -half4(1));
21    ok = ok && (-half4(two) == half4(-two, half3(-two)));
22    ok = ok && (-half2(-one, one + one) == -half2(one - two, two));
23    ok = ok && (-1 * one == -one);
24    ok = ok && (-two == -1 * two);
25    ok = ok && (colorGreen.g * -1 == -colorGreen.g);
26    ok = ok && (-colorGreen == -1 * colorGreen);
27    return ok;
28}
29
30bool test_ivec() {
31    int one = 1;
32    const int two = 2;
33    const int4 one_splat = int4(1);
34    const int4 one_compound = int4(1, 1, 1, 1);
35
36    bool ok = true;
37    ok = ok && (int4(-1) == -one_splat);
38    ok = ok && (int4(-1, -1, -1, -1) == -one_splat);
39    ok = ok && (int4(-1) == -one_compound);
40    ok = ok && (int4(-1, -1, -1, -1) == -one_compound);
41    ok = ok && (-int4(1) == -one_splat);
42    ok = ok && (-int4(1, 1, 1, 1) == -one_splat);
43    ok = ok && (-int4(1) == -one_compound);
44    ok = ok && (-int4(1, 1, 1, 1) == -one_compound);
45    ok = ok && (int4(-1) == -int4(-int2(-1), int2(1)));
46    ok = ok && (int4(1) != -int4(1));
47    ok = ok && (-int4(two) == int4(-two, int3(-two)));
48    ok = ok && (-int2(-one, one + one) == -int2(one - two, two));
49    ok = ok && (-1 * one == -one);
50    ok = ok && (-two == -1 * two);
51    ok = ok && (-int(colorGreen.g) == -1 * int(colorGreen.g));
52    ok = ok && (int4(colorGreen) * -1 == -int4(colorGreen));
53    return ok;
54}
55
56bool test_mat() {
57    const float3x3 one_diagonal = float3x3(1);
58    const float3x3 one_compound = float3x3(1, 0, 0,
59                                           0, 1, 0,
60                                           0, 0, 1);
61    bool ok = true;
62    ok = ok && (float3x3(-1) == -one_diagonal);
63    ok = ok && (float3x3(-1, 0, 0, 0, -1, 0, 0, 0, -1) == -one_diagonal);
64    ok = ok && (float3x3(-1) == -one_compound);
65    ok = ok && (float3x3(-1, 0, 0, 0, -1, 0, 0, 0, -1) == -one_compound);
66    ok = ok && (-float3x3(1) == -one_diagonal);
67    ok = ok && (-float3x3(1, 0, 0, 0, 1, 0, 0, 0, 1) == -one_diagonal);
68    ok = ok && (-float3x3(1) == -one_compound);
69    ok = ok && (-float3x3(1, 0, 0, 0, 1, 0, 0, 0, 1) == -one_compound);
70    return ok;
71}
72
73half4 main(float2 coords) {
74    return test_fvec() && test_ivec() && test_mat() ? colorGreen : colorRed;
75}
76