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// Copyright 2009 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
// ospray
#include "common/Data.ih"
#include "common/DifferentialGeometry.ih"
#include "common/FilterIntersect.ih"
#include "common/Intersect.ih"
#include "common/Ray.ih"
#include "rkcommon/math/box.ih"
#include "rkcommon/math/vec.ih"
// c++ shared
#include "BoxesShared.h"
OSPRAY_BEGIN_ISPC_NAMESPACE
export void Boxes_bounds(const RTCBoundsFunctionArguments *uniform args)
{
Boxes *uniform self = (Boxes * uniform) args->geometryUserPtr;
uniform int primID = args->primID;
box3fa *uniform out = (box3fa * uniform) args->bounds_o;
*out = make_box3fa(get_box3f(self->boxes, primID));
}
SYCL_EXTERNAL unmasked void Boxes_intersect_kernel(
const RTCIntersectFunctionNArguments *uniform args,
const uniform bool isOcclusionTest)
{
// make sure to set the mask
if (!args->valid[programIndex]) {
return;
}
args->valid[programIndex] = 0;
Boxes *uniform self = (Boxes * uniform) args->geometryUserPtr;
varying Ray *uniform ray = (varying Ray * uniform) args->rayhit;
uniform int primID = args->primID;
uniform box3f box = get_box3f(self->boxes, primID);
const Intersections isect = intersectBox(ray->org, ray->dir, box);
// call intersection filtering callback and setup hit if accepted
if (filterIntersectionBoth(args, isect, isOcclusionTest)) {
args->valid[programIndex] = -1;
}
}
export void Boxes_intersect(
const struct RTCIntersectFunctionNArguments *uniform args)
{
Boxes_intersect_kernel(args, false);
}
export void Boxes_occluded(
const struct RTCOccludedFunctionNArguments *uniform args)
{
Boxes_intersect_kernel((RTCIntersectFunctionNArguments * uniform) args, true);
}
SYCL_EXTERNAL void Boxes_postIntersect(const Geometry *uniform,
varying DifferentialGeometry &dg,
const varying Ray &ray,
uniform int64)
{
dg.Ng = dg.Ns = ray.Ng;
}
export void *uniform Boxes_postIntersect_addr()
{
return (void *uniform)Boxes_postIntersect;
}
OSPRAY_END_ISPC_NAMESPACE
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