Function rtcIntersect4

kernels/common/rtcore.cpp:670–713

  }

  RTC_API void rtcIntersect4 (const int* valid, RTCScene hscene, RTCRayHit4* rayhit, RTCIntersectArguments* args) 
  {
    Scene* scene = (Scene*) hscene;
    RTC_CATCH_BEGIN;
    RTC_TRACE(rtcIntersect4);

#if defined(DEBUG)
    RTC_VERIFY_HANDLE(hscene);
    if (scene->isModified()) throw_RTCError(RTC_ERROR_INVALID_OPERATION,"scene not committed");
    if (((size_t)valid) & 0x0F) throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "mask not aligned to 16 bytes");   
    if (((size_t)rayhit)   & 0x0F) throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "rayhit not aligned to 16 bytes");   
#endif
    STAT(size_t cnt=0; for (size_t i=0; i<4; i++) cnt += ((int*)valid)[i] == -1;);
    STAT3(normal.travs,cnt,cnt,cnt);

    RTCIntersectArguments defaultArgs;
    if (unlikely(args == nullptr)) {
      rtcInitIntersectArguments(&defaultArgs);
      args = &defaultArgs;
    }
    RTCRayQueryContext* user_context = args->context;
    
    RTCRayQueryContext defaultContext;
    if (unlikely(user_context == nullptr)) {
      rtcInitRayQueryContext(&defaultContext);
      user_context = &defaultContext;
    }
    RayQueryContext context(scene,user_context,args);

    if (likely(scene->intersectors.intersector4))
      scene->intersectors.intersect4(valid,*rayhit,&context);

    else {
      RayHit4* ray4 = (RayHit4*) rayhit;
      for (size_t i=0; i<4; i++) {
        if (!valid[i]) continue;
        RayHit ray1; ray4->get(i,ray1);
        scene->intersectors.intersect((RTCRayHit&)ray1,&context);
        ray4->set(i,ray1);
      }
    }
    
    RTC_CATCH_END2(scene);
  }

  template<int N> void copy(float* dst, float* src);