yum-mirror/slang

Making it easier to work with shaders

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

venkataram-nvWarn when inout parameter is never written (#4777)20bd48659

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1//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=CHECK):-compute -output-using-type
2//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=CHECK):-vk -compute -output-using-type
3
4//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name=outputBuffer
5RWStructuredBuffer<int> outputBuffer;
6
7int g(int arr[])
8{
9    int tmp[] = arr;
10    return tmp.getCount();
11}
12
13int test(int arr[])
14{
15    return arr[0] + g(arr);
16}
17
18int test2<T>(inout T arr[])
19{
20    unmodified(arr);
21    return arr.getCount();
22}
23
24[numthreads(1, 1, 1)]
25void computeMain(int3 dispatchThreadID: SV_DispatchThreadID)
26{
27    int arr[3] = {1, 2, 3};
28
29    // CHECK: 4
30    outputBuffer[0] = test(arr);
31
32    // CHECK: 3
33    outputBuffer[1] = test2(arr);
34
35    int arr2[2] = { 1, 2 };
36
37    // CHECK: 3
38    outputBuffer[2] = test(arr2);
39
40    // CHECK: 2
41    outputBuffer[3] = test2(arr2);
42
43}