LightmapNormalIntegration.urtshader

#pragma only_renderers d3d11 vulkan metal glcore
#define UNIFIED_RT_GROUP_SIZE_X 64
#define UNIFIED_RT_GROUP_SIZE_Y 1
#define UNIFIED_RT_RAYGEN_FUNC AccumulateInternal

#include "PathTracing.hlsl"
#include "LightmapIntegrationHelpers.hlsl"

int g_SampleOffset;
float g_PushOff;
RWStructuredBuffer<float4> g_ExpandedOutput;
float g_AOMaxDistance;

void AccumulateInternal(UnifiedRT::DispatchInfo dispatchInfo)
{
    float3 worldPosition = 0.f;
    float3 worldNormal = 0.f;
    float3 worldFaceNormal = 0.f;
    uint localSampleOffset = 0;
    uint2 instanceTexelPos = 0;
    const bool gotSample = GetExpandedSample(dispatchInfo.dispatchThreadID.x, localSampleOffset, instanceTexelPos, worldPosition, worldNormal, worldFaceNormal);
    if (!gotSample)
        return;
    g_ExpandedOutput[dispatchInfo.dispatchThreadID.x] = float4(worldNormal, 1.0f);
}