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//TEST:CROSS_COMPILE: -profile glsl_460+GL_NV_ray_tracing -entry HitMain -stage closesthit -target spirv-assembly
//TEST:SIMPLE(filecheck=DXIL): -target dxil -entry HitMain -stage closesthit -profile sm_6_5
//TEST:SIMPLE(filecheck=SPV): -target spirv
// DXIL: define void @
// SPV: OpEntryPoint
#define USE_RCP 0
struct ParameterBlockTest
{
SamplerState sam;
StructuredBuffer<float> sbuf;
};
ConstantBuffer<ParameterBlockTest> gParamBlock;
struct RayHitInfoPacked
{
float4 PackedHitInfoA : PACKED_HIT_INFO_A;
};
[shader("closesthit")]
void HitMain(inout RayHitInfoPacked RayData, BuiltInTriangleIntersectionAttributes Attributes)
{
float HitT = RayTCurrent();
RayData.PackedHitInfoA.x = HitT;
int offs = 0;
uint use_rcp = USE_RCP;
float offsfloat = gParamBlock.sbuf.Load(offs);
use_rcp |= HitT > 0.0;
if (use_rcp != 0)
RayData.PackedHitInfoA.y = rcp(offsfloat);
else if ((use_rcp > 0) & (offsfloat == 0.0))
RayData.PackedHitInfoA.y = rsqrt(offsfloat + 1.0);
else
RayData.PackedHitInfoA.y = rsqrt(offsfloat);
}
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