yum-mirror/slang

Making it easier to work with shaders

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

Yong HeSupport `constref` parameters passing. (#3249)b7d318f48

master
branchesmasterall refs →
769 B36 linesraw
1// param-mutation.slang
2
3// When a parameter is passed to `in`, it is mutable but generates a warning as it probably (?)
4// isn't what the programmer intended.
5
6//DIAGNOSTIC_TEST:SIMPLE:
7
8struct MutatingStruct
9{
10    [mutating] void setValue(int value) { m_value = value; }
11    int m_value;
12};
13
14int doThing(MutatingStruct s, int v)
15{
16    // Should generate a warning. 
17    s.setValue(v + 1);
18    return s.m_value;
19}
20
21// For non-copyable types (such as HitObject or NonCopyableStruct declared below), if passed as as `in`
22// should produce an error.
23
24[__NonCopyableType]
25struct NonCopyableStruct
26{
27    [mutating] void setValue(int value) { m_value = value; }
28    int m_value;
29};
30
31int doThing2(NonCopyableStruct s, int v)
32{
33    s.setValue(v + 1);
34    return s.m_value;
35}
36