yum-mirror/slang

Making it easier to work with shaders

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

jsmall-nvidiaLanguage experiments (#2068)447b7e0e2

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1//DISABLE_TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj
2
3/* A test to use generics to treat an enum as a set. */
4/* Doesn't work because doesn't know can convert E into an int type. 
5
6If E could be specified as any enum type then perhaps this could work.
7*/
8
9//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name outputBuffer
10RWStructuredBuffer<float> outputBuffer;
11
12enum Enum
13{
14    A = 0x1,
15    B = 0x2, 
16    C = 0x4,
17};
18
19__generic<E>
20struct Flags
21{
22    [mutating] void set(E e) { value |= (int)e; }
23    void isSet(E e) { return (((int)e) & value) != 0; }
24    int value = 0;
25};
26
27[numthreads(4, 1, 1)]
28void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
29{
30    int index = dispatchThreadID.x;
31    
32    Flags<Enum> flags;
33
34    if (index & 1)
35    {
36        flags.set(Enum::A);
37    }
38    bool isASet = flags.isSet(Enum::A);
39   
40	outputBuffer[index] = isASet ? 2 : 1;
41}
42