yum-mirror/slang

Making it easier to work with shaders

git clone https://git.yummers.dev/yum-mirror/slang

kaizhangNVFeature/initialize list side branch (#6058)9ec6b9168

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1//TEST:SIMPLE(filecheck=CHK): -target spirv -entry computeMain
2
3extern static const int flag;
4
5struct None
6{
7    int a;
8    int b;
9
10    __init()
11    {
12        a = 0;
13        b = 0;
14    }
15}
16
17struct Simple
18{
19    int value;
20    Simple *next;
21
22    __init(int v, Simple* ptr)
23    {
24        value = v;
25        //CHK-DAG: warning 41020: exiting constructor without initializing field 'next'
26    }
27}
28
29struct Conditional
30{
31    int field;
32    int another_field;
33
34    __init()
35    {
36        field = 0;
37        if (flag == 0)
38            //CHK-DAG: warning 41020: exiting constructor without initializing field 'another_field'
39            return;
40
41        another_field = 0;
42    }
43};
44
45struct Partial
46{
47    int inline = 0;
48    int body = 0;
49
50    __init(int x)
51    {
52        body = x;
53    }
54}
55
56// Warnings here should be a bit different
57struct Implicit
58{
59    int a;
60    int b = 1;
61    int c;
62    int d = 1 + 1;
63}
64
65int using_implicit(int x)
66{
67    // no default constructor will be called, because there is no __init() synthesized for `Implicit`
68    // so no warnings will be reported on members of `Implicit`
69    Implicit impl;
70    impl.a = x;
71    return impl.c;
72}
73
74struct UnusedImplicit
75{
76    // Shouldn't warn here, since its never used
77    int a;
78    int b = 1;
79    int c;
80    int d = 1 + 1;
81}
82
83struct Pass
84{
85    int x = 0;
86    int y = 0;
87}
88
89//CHK-NOT: warning 41020
90//CHK-NOT: warning 41021
91
92[Shader("compute")]
93[NumThreads(4, 1, 1)]
94void computeMain(int3 dispatchThreadID : SV_DispatchThreadID)
95{
96}
97