yum-mirror/slang

Making it easier to work with shaders

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

Yong HeSupport mutable existential parameters. (#3836)dfdf243f0

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1//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=CHECK):-shaderobj -output-using-type
2
3interface IOperation
4{
5    [mutating]
6    void Store(float v);
7
8    float Load();
9};
10
11struct TOperationMax : IOperation
12{
13    float result;
14
15    [mutating]
16    void Store(float v)
17    {
18        result = v;
19    }
20
21    float Load()
22    {
23        return result;
24    }
25};
26
27float Run(inout IOperation op, float val)
28{
29    op.Store(val);
30    return op.Load();
31}
32
33//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name outputBuffer
34RWStructuredBuffer<float> outputBuffer;
35
36[numthreads(4, 1, 1)]
37[shader("compute")]
38void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
39{
40    TOperationMax opMax;
41    opMax.result = 0.f;
42    float val = 2.f;
43    IOperation op = opMax;
44    float result = Run(op, val);
45    // CHECK: 2.0
46    outputBuffer[0] = result;
47}