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// interface-extension.slang
2
3// Test that an `extension` applied to an interface type works as users expect
4
5//TEST(compute):COMPARE_COMPUTE: -shaderobj
6//TEST(compute):COMPARE_COMPUTE: -vk -shaderobj
7
8interface ICounter
9{
10	[mutating] void add(int value);
11}
12
13struct MyCounter : ICounter
14{
15	int _state = 0;
16
17	[mutating] void add(int value) { _state += value; }
18}
19
20__generic<T : ICounter>
21extension T
22{
23	[mutating] void increment()
24	{
25	    this.add(1);
26	}
27}
28
29void helper<T : ICounter>(in out T counter)
30{
31	counter.increment();
32}
33
34int test(int value)
35{
36	MyCounter counter = { value };
37	counter.increment();
38	helper(counter);
39	return counter._state;
40}
41
42//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name=outputBuffer
43RWStructuredBuffer<int> outputBuffer;
44
45[numthreads(4, 1, 1)]
46void computeMain(int3 dispatchThreadID : SV_DispatchThreadID)
47{
48    int tid = dispatchThreadID.x;
49    int inVal = tid;
50    int outVal = test(inVal);
51    outputBuffer[tid] = outVal;
52}