yum-mirror/slang

Making it easier to work with shaders

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

Yong HeSupport visibility control and default to `internal`. (#3380)11111e573

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1// Test using interface typed shader parameters with dynamic dispatch.
2
3// TODO: This test has been disabled because it relies on
4// `ConstantBuffer<IInterface>` which we expect to change
5// implementation approaches for soon.
6
7//DISABLE_TEST(compute):COMPARE_COMPUTE:-dx11 -shaderobj
8//DISABLE_TEST(compute):COMPARE_COMPUTE:-vk -shaderobj
9//DISABLE_TEST(compute):COMPARE_COMPUTE:-cpu -xslang -disable-specialization -shaderobj
10//DISABLE_TEST(compute):COMPARE_COMPUTE:-cuda -xslang -disable-specialization -shaderobj
11
12[anyValueSize(8)]
13interface IInterface
14{
15    int run(int input);
16}
17
18//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name=gOutputBuffer
19RWStructuredBuffer<int> gOutputBuffer;
20
21//TEST_INPUT:cbuffer(data=[rtti(MyImpl) witness(MyImpl, IInterface) 1 0], stride=4):name=gCb
22ConstantBuffer<IInterface> gCb;
23
24[numthreads(4, 1, 1)]
25void computeMain(uint3       dispatchThreadID : SV_DispatchThreadID)
26{
27    let tid = dispatchThreadID.x;
28
29    let inputVal : int = tid;
30    let outputVal = gCb.run(inputVal);
31
32    gOutputBuffer[tid] = outputVal;
33}
34
35// No type input for dynamic dispatch //TEST_INPUT: globalExistentialType MyImpl
36// Type must be marked `public` to ensure it is visible in the generated DLL.
37export struct MyImpl : IInterface
38{
39    int val;
40    int run(int input)
41    {
42        return input + val;
43    }
44};