yum-mirror/slang

Making it easier to work with shaders

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

James Helferty (NVIDIA)render-test: Change D3D12 default to sm_6_5 (#8320)f02b08490

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1//TEST(compute):COMPARE_COMPUTE:-d3d12 -output-using-type -profile sm_6_5 -render-feature ray-query
2//TEST(compute):COMPARE_COMPUTE:-vk -output-using-type -render-feature ray-query
3
4//TEST_INPUT: set scene = AccelerationStructure
5uniform RaytracingAccelerationStructure scene;
6
7//TEST_INPUT:set outputBuffer = out ubuffer(data=[0], stride=4)
8RWStructuredBuffer<float> outputBuffer;
9
10bool traceRayClosestHit(
11    float3 rayOrigin,
12    float3 rayDir,
13    out float t)
14{
15    RayDesc ray;
16    ray.Origin = rayOrigin;
17    ray.TMin = 0.01f;
18    ray.Direction = rayDir;
19    ray.TMax = 1e4f;
20    RayQuery<RAY_FLAG_NONE> q;
21    let rayFlags = RAY_FLAG_NONE;
22
23    q.TraceRayInline(
24        scene,
25        rayFlags,
26        0xff,
27        ray);
28
29    q.Proceed();
30    if(q.CommittedStatus() == COMMITTED_TRIANGLE_HIT)
31    {
32        t = q.CommittedRayT();
33        //primitiveIndex = q.CommittedPrimitiveIndex();
34        return true;
35    }
36    unused(t);
37    return false;
38}
39
40[shader("compute")]
41[numthreads(1,1,1)]
42void computeMain(
43    uint3 threadIdx : SV_DispatchThreadID)
44{
45    float t = 0.0;
46    traceRayClosestHit(float3(0.1, 0.1, 0.0), float3(0,0,1), t);
47    outputBuffer[threadIdx.x] = t;
48}