xref: /aosp_15_r20/external/skia/tests/sksl/shared/Matrices.glsl (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17) 
1
2out vec4 sk_FragColor;
3uniform vec4 colorGreen;
4uniform vec4 colorRed;
5bool test_half_b() {
6    bool ok = true;
7    mat2 m1 = mat2(1.0, 2.0, 3.0, 4.0);
8    ok = ok && m1 == mat2(1.0, 2.0, 3.0, 4.0);
9    mat2 m3 = m1;
10    ok = ok && m3 == mat2(1.0, 2.0, 3.0, 4.0);
11    mat2 m4 = mat2(6.0);
12    ok = ok && m4 == mat2(6.0, 0.0, 0.0, 6.0);
13    m3 *= m4;
14    ok = ok && m3 == mat2(6.0, 12.0, 18.0, 24.0);
15    mat2 m5 = mat2(m1[1].y);
16    ok = ok && m5 == mat2(4.0, 0.0, 0.0, 4.0);
17    m1 += m5;
18    ok = ok && m1 == mat2(5.0, 2.0, 3.0, 8.0);
19    mat2 m7 = mat2(5.0, 6.0, 7.0, 8.0);
20    ok = ok && m7 == mat2(5.0, 6.0, 7.0, 8.0);
21    mat3 m9 = mat3(9.0);
22    ok = ok && m9 == mat3(9.0, 0.0, 0.0, 0.0, 9.0, 0.0, 0.0, 0.0, 9.0);
23    mat4 m10 = mat4(11.0);
24    ok = ok && m10 == mat4(11.0, 0.0, 0.0, 0.0, 0.0, 11.0, 0.0, 0.0, 0.0, 0.0, 11.0, 0.0, 0.0, 0.0, 0.0, 11.0);
25    mat4 m11 = mat4(20.0, 20.0, 20.0, 20.0, 20.0, 20.0, 20.0, 20.0, 20.0, 20.0, 20.0, 20.0, 20.0, 20.0, 20.0, 20.0);
26    m11 -= m10;
27    ok = ok && m11 == mat4(9.0, 20.0, 20.0, 20.0, 20.0, 9.0, 20.0, 20.0, 20.0, 20.0, 9.0, 20.0, 20.0, 20.0, 20.0, 9.0);
28    return ok;
29}
30bool test_comma_b() {
31    mat2 x;
32    mat2 y;
33    return ((x = mat2(1.0, 2.0, 3.0, 4.0), y = mat2(1.0, 2.0, 3.0, 4.0)), x == y);
34}
35vec4 main() {
36    bool _0_ok = true;
37    mat2 _1_m1 = mat2(1.0, 2.0, 3.0, 4.0);
38    _0_ok = _0_ok && _1_m1 == mat2(1.0, 2.0, 3.0, 4.0);
39    mat2 _2_m3 = _1_m1;
40    _0_ok = _0_ok && _2_m3 == mat2(1.0, 2.0, 3.0, 4.0);
41    const mat2 _3_m4 = mat2(6.0);
42    _2_m3 *= _3_m4;
43    _0_ok = _0_ok && _2_m3 == mat2(6.0, 12.0, 18.0, 24.0);
44    mat2 _4_m5 = mat2(_1_m1[1].y);
45    _0_ok = _0_ok && _4_m5 == mat2(4.0, 0.0, 0.0, 4.0);
46    _1_m1 += _4_m5;
47    _0_ok = _0_ok && _1_m1 == mat2(5.0, 2.0, 3.0, 8.0);
48    const mat4 _7_m10 = mat4(11.0);
49    mat4 _8_m11 = mat4(20.0, 20.0, 20.0, 20.0, 20.0, 20.0, 20.0, 20.0, 20.0, 20.0, 20.0, 20.0, 20.0, 20.0, 20.0, 20.0);
50    _8_m11 -= _7_m10;
51    _0_ok = _0_ok && _8_m11 == mat4(9.0, 20.0, 20.0, 20.0, 20.0, 9.0, 20.0, 20.0, 20.0, 20.0, 9.0, 20.0, 20.0, 20.0, 20.0, 9.0);
52    return (_0_ok && test_half_b()) && test_comma_b() ? colorGreen : colorRed;
53}
54