yum-mirror/slang

Making it easier to work with shaders

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

Yong HeOpen existential on arguments after overload resolution. (#4982)599dae52e

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1//TEST(compute):COMPARE_COMPUTE_EX(filecheck-buffer=CHK): -d3d12 -compute -shaderobj -output-using-type
2//TEST(compute, vulkan):COMPARE_COMPUTE_EX(filecheck-buffer=CHK): -vk -compute -shaderobj -output-using-type
3
4
5// Test that we can synthesize a [mutating] interface requirement from a nonmutating implementation,
6// and the interface requirement signature contains an output interface-typed parameter.
7
8//TEST_INPUT: ubuffer(data=[0 0], stride=4):out,name outputBuffer
9RWStructuredBuffer<int> outputBuffer;
10
11interface IFoo
12{
13    int getVal();
14};
15
16interface IBar
17{
18    [mutating] void method(out IFoo o);
19};
20
21struct FooImpl : IFoo
22{
23    int x;
24    int getVal() { return x; }
25}
26
27struct BarImpl : IBar
28{
29    void method(out IFoo o)
30    {
31        o = FooImpl(1);
32    }
33};
34
35[numthreads(1,1,1)]
36void computeMain()
37{
38    BarImpl bar;
39    IFoo foo;
40    bar.method(foo);
41    // CHK: 1
42    outputBuffer[0] = foo.getVal();
43}