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// closesthit.slang
//TEST:SIMPLE(filecheck=GL_SPIRV): -stage anyhit -entry main -target spirv-assembly -emit-spirv-via-glsl
//TEST:SIMPLE(filecheck=SPIRV): -stage anyhit -entry main -target spirv
struct SphereHitAttributes
{
float3 normal;
};
struct ShadowRay
{
float4 hitDistance;
float3 dummyOut;
};
struct Params
{
Texture2D<float> alphaMap;
SamplerState sampler;
int mode;
}
ParameterBlock<Params> gParams;
void main(
SphereHitAttributes attributes,
in out ShadowRay ioPayload)
{
if(gParams.mode != 0)
{
float val = gParams.alphaMap.SampleLevel(
gParams.sampler,
attributes.normal.xy, 0);
if(val > 0)
{
AcceptHitAndEndSearch();
}
else
{
IgnoreHit();
}
}
uint index = 0U;
ioPayload.dummyOut = HitTriangleVertexPosition(index);
index = 1U;
ioPayload.dummyOut += HitTriangleVertexPosition(index);
index = 2U;
ioPayload.dummyOut += HitTriangleVertexPosition(index);
}
// SPIRV-DAG: OpCapability RayTracing
// SPIRV-DAG: OpCapability RayTracingPositionFetchKHR
// SPIRV: OpEntryPoint
// SPIRV: BuiltIn HitTriangleVertexPositionsKHR
// SPIRV: OpTypePointer HitAttribute{{NV|KHR}}
// SPIRV: OpVariable{{.*}}HitAttribute{{NV|KHR}}
// SPIRV: OpIgnoreIntersectionKHR
// SPIRV: OpTerminateRayKHR
// SPIRV-DAG: %{{.*}} = OpAccessChain %{{.*}} %{{.*}} %{{.*}}
// SPIRV-DAG: %{{.*}} = OpAccessChain %{{.*}} %{{.*}} %{{.*}}
// SPIRV-DAG: %{{.*}} = OpAccessChain %{{.*}} %{{.*}} %{{.*}}
// GL_SPIRV-DAG: OpCapability RayTracing
// GL_SPIRV-DAG: OpCapability RayTracingPositionFetchKHR
// GL_SPIRV: OpEntryPoint
// GL_SPIRV: BuiltIn HitTriangleVertexPositionsKHR
// GL_SPIRV-DAG: OpTypePointer HitAttribute{{NV|KHR}}
// GL_SPIRV: OpTerminateRayKHR
// GL_SPIRV: OpIgnoreIntersectionKHR
// GL_SPIRV-DAG: %{{.*}} = OpAccessChain %{{.*}} %{{.*}} %{{.*}}
// GL_SPIRV-DAG: %{{.*}} = OpAccessChain %{{.*}} %{{.*}} %{{.*}}
// GL_SPIRV-DAG: %{{.*}} = OpAccessChain %{{.*}} %{{.*}} %{{.*}}
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