yum-mirror/slang

Making it easier to work with shaders

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

Yong HeFix a bug in empty array legalization. (#7444)84148b80b

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1//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=CHECK):
2//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=CHECK): -vk
3
4public struct ContextND<let N: int>
5{
6    public uint3 thread_id;
7    public int[N] call_id;
8
9    public ContextND<0> map(int)
10    {
11        return { thread_id };
12    }
13
14    public ContextND<M> map<let M : int>(int[M] mapping)
15    {
16        ContextND<M> result;
17        result.thread_id = thread_id;
18        for (int i = 0; i < M; ++i)
19            result.call_id[i] = call_id[mapping[i]];
20        return result;
21    }
22}
23
24typealias Context = ContextND<0>;
25
26//TEST_INPUT: set value = out ubuffer(data=[0 0 0 0], stride=4)
27RWStructuredBuffer<int> value;
28
29void store(Context context, in int v) { value[0] = v; }
30
31[shader("compute")]
32[numthreads(1, 1, 1)]
33void computeMain(uint3 dispatchThreadID: SV_DispatchThreadID)
34{
35    Context context = {dispatchThreadID};
36    int c = 1;
37    int m_c = 0;
38    // CHECK: 1
39    store(context.map(m_c), c);
40}