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//TEST(compute):COMPARE_COMPUTE:-d3d12 -output-using-type -profile sm_6_5 -render-feature ray-query
//TEST(compute):COMPARE_COMPUTE:-vk -output-using-type -render-feature ray-query
//TEST_INPUT: set scene = AccelerationStructure
uniform RaytracingAccelerationStructure scene;
//TEST_INPUT:set outputBuffer = out ubuffer(data=[0], stride=4)
RWStructuredBuffer<float> outputBuffer;
bool traceRayClosestHit(
float3 rayOrigin,
float3 rayDir,
out float t)
{
RayDesc ray;
ray.Origin = rayOrigin;
ray.TMin = 0.01f;
ray.Direction = rayDir;
ray.TMax = 1e4f;
RayQuery<RAY_FLAG_NONE> q;
let rayFlags = RAY_FLAG_NONE;
q.TraceRayInline(
scene,
rayFlags,
0xff,
ray);
q.Proceed();
if(q.CommittedStatus() == COMMITTED_TRIANGLE_HIT)
{
t = q.CommittedRayT();
//primitiveIndex = q.CommittedPrimitiveIndex();
return true;
}
unused(t);
return false;
}
[shader("compute")]
[numthreads(1,1,1)]
void computeMain(
uint3 threadIdx : SV_DispatchThreadID)
{
float t = 0.0;
traceRayClosestHit(float3(0.1, 0.1, 0.0), float3(0,0,1), t);
outputBuffer[threadIdx.x] = t;
}
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