1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
// Run: %dxc -T lib_6_3 -fspv-target-env=vulkan1.2
// CHECK: OpCapability RayTracingKHR
// CHECK: OpCapability RayQueryKHR
// CHECK: OpExtension "SPV_KHR_ray_tracing"
// CHECK: OpExtension "SPV_KHR_ray_query"
RaytracingAccelerationStructure AccelerationStructure : register(t0);
RayDesc MakeRayDesc()
{
RayDesc desc;
desc.Origin = float3(0,0,0);
desc.Direction = float3(1,0,0);
desc.TMin = 0.0f;
desc.TMax = 9999.0;
return desc;
}
void doInitialize(RayQuery<RAY_FLAG_FORCE_OPAQUE> query, RayDesc ray)
{
query.TraceRayInline(AccelerationStructure,RAY_FLAG_FORCE_NON_OPAQUE,0xFF,ray);
}
struct CallData
{
float4 data;
};
[shader("callable")]
void main() {
RayQuery<RAY_FLAG_FORCE_OPAQUE> q;
RayDesc ray = MakeRayDesc();
// CHECK: [[accel:%\d+]] = OpLoad %accelerationStructureNV %AccelerationStructure
// CHECK: OpRayQueryInitializeKHR [[rayquery]] [[accel]] %uint_1 %uint_255 {{%\d+}} %float_0 {{%\d+}} %float_9999
q.TraceRayInline(AccelerationStructure,RAY_FLAG_FORCE_OPAQUE, 0xFF, ray);
// CHECK: OpRayQueryInitializeKHR [[rayquery]] [[accel]] %uint_3 %uint_255 {{%\d+}} %float_0 {{%\d+}} %float_9999
doInitialize(q, ray);
Attribute myHitAttribute = { float2(0.0f,0.0f) };
// CHECK: OpReportIntersectionKHR %bool %float_0 %uint_0
ReportHit(0.0f, 0U, myHitAttribute);
}
|
