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
2//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=BUFFER):-shaderobj -vk
3//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=BUFFER):-shaderobj
4
5import modulea;
6
7// Definition of the Foo struct
8// struct Foo
9// {
10//     int a;
11//     int b;
12// }
13
14// This test demonstrates that whether struct is a C-Style type only depends on the definition of the struct, not the extension.
15// Even we have an explicit constructor defined in extension of Foo, it is still a C-Style type.
16
17extension Foo
18{
19    __init(int a)
20    {
21        this.a = a + 5;
22        this.b = 3;
23    }
24}
25
26//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name=outputBuffer
27RWStructuredBuffer<int> outputBuffer;
28
29[shader("compute")]
30[numthreads(1, 1, 1)]
31void computeMain()
32{
33
34    // This will miss both synthesized constructor and explicit constructor in extension, but it will still fall back
35    // to legacy initializer list because Foo is a C-Style type.
36    Foo foo = {};
37    //CHECK: BUFFER: 0
38    //CHECK: BUFFER-NEXT: 0
39    outputBuffer[0] = foo.a;
40    outputBuffer[1] = foo.b;
41
42
43    // When providing 1 parameter, it will lookup for the explicit constructor in extension.
44    Foo foo1 = {1};
45    //CHECK: BUFFER: 6
46    //CHECK: BUFFER-NEXT: 3
47    outputBuffer[2] = foo1.a;
48    outputBuffer[3] = foo1.b;
49}