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// Copyright 2009-2021 Intel Corporation
// SPDX-License-Identifier: Apache-2.0

#pragma once

#include "../common/geometry.h"
#include "../common/ray.h"
#include "../common/hit.h"
#include "../common/context.h"

namespace embree
{
  __forceinline bool runIntersectionFilter1Helper(RTCFilterFunctionNArguments* args, int& mask, const Geometry* const geometry, RayQueryContext* context)
  {
    typedef void (*RTCFilterFunctionSYCL)(const void* args);
    const RTCFeatureFlags feature_mask MAYBE_UNUSED = context->args->feature_mask;
    
#if EMBREE_SYCL_GEOMETRY_CALLBACK
    if (feature_mask & RTC_FEATURE_FLAG_FILTER_FUNCTION_IN_GEOMETRY)
    {
      RTCFilterFunctionSYCL gfilter = (RTCFilterFunctionSYCL) geometry->intersectionFilterN;
      if (gfilter)
      {
        gfilter(args);
        
        if (mask == 0)
          return false;
      }
    }
#endif

    if (feature_mask & RTC_FEATURE_FLAG_FILTER_FUNCTION_IN_ARGUMENTS)
    {
      RTCFilterFunctionSYCL cfilter = (RTCFilterFunctionSYCL) context->args->filter;
      if (cfilter)
      {
        if (context->enforceArgumentFilterFunction() || geometry->hasArgumentFilterFunctions())
          cfilter(args);
        
        if (mask == 0)
          return false;
      }
    }
    
    return true;
  }

  __forceinline bool runOcclusionFilter1Helper(RTCFilterFunctionNArguments* args, int& mask, const Geometry* const geometry, RayQueryContext* context)
  {
    typedef void (*RTCFilterFunctionSYCL)(const void* args);
    const RTCFeatureFlags feature_mask MAYBE_UNUSED = context->args->feature_mask;
    
#if EMBREE_SYCL_GEOMETRY_CALLBACK
    if (feature_mask & RTC_FEATURE_FLAG_FILTER_FUNCTION_IN_GEOMETRY)
    {
      RTCFilterFunctionSYCL gfilter = (RTCFilterFunctionSYCL) geometry->occlusionFilterN;
      if (gfilter)
      {
        gfilter(args);
        
        if (mask == 0)
          return false;
      }
    }
#endif

    if (feature_mask & RTC_FEATURE_FLAG_FILTER_FUNCTION_IN_ARGUMENTS)
    {
      RTCFilterFunctionSYCL cfilter = (RTCFilterFunctionSYCL) context->args->filter;
      if (cfilter)
      {
        if (context->enforceArgumentFilterFunction() || geometry->hasArgumentFilterFunctions())
          cfilter(args);
        
        if (mask == 0)
          return false;
      }
    }

    return true;
  }
  
  __forceinline bool runIntersectionFilter1SYCL(Geometry* geometry, RayHit& ray, sycl::private_ptr<RayQueryContext> context, Hit& hit)
  {
    RTCFilterFunctionNArguments args;
    int mask = -1;
    args.valid = &mask;
    args.geometryUserPtr = geometry->userPtr;
    args.context = context->user;
    args.ray = (RTCRayN*) &ray;
    args.hit = (RTCHitN*) &hit;
    args.N = 1;
    return runIntersectionFilter1Helper(&args,mask,geometry,context);
  }


  __forceinline bool runIntersectionFilter1SYCL(Geometry* geometry, Ray& ray, sycl::private_ptr<RayQueryContext> context, Hit& hit)
  {
    RTCFilterFunctionNArguments args;
    int mask = -1;
    args.valid = &mask;
    args.geometryUserPtr = geometry->userPtr;
    args.context = context->user;
    args.ray = (RTCRayN*) &ray;
    args.hit = (RTCHitN*) &hit;
    args.N = 1;
    return runOcclusionFilter1Helper(&args,mask,geometry,context);
  }
}