208 lines
6 KiB
C++
208 lines
6 KiB
C++
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// Copyright 2009-2021 Intel Corporation
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// SPDX-License-Identifier: Apache-2.0
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#pragma once
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#include "../common/ray.h"
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#include "../common/context.h"
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#include "filter_sycl.h"
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namespace embree
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{
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template<typename Ray>
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struct Intersect1Epilog1_HWIF;
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template<>
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struct Intersect1Epilog1_HWIF<RayHit>
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{
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RayHit& ray;
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sycl::private_ptr<RayQueryContext> context;
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const unsigned int geomID;
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const unsigned int primID;
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const bool filter;
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__forceinline Intersect1Epilog1_HWIF(RayHit& ray,
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sycl::private_ptr<RayQueryContext> context,
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const unsigned int geomID,
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const unsigned int primID,
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const bool filter)
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: ray(ray), context(context), geomID(geomID), primID(primID), filter(filter) {}
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template<typename Hit_i>
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__forceinline bool operator() (Hit_i& hit_i) const
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{
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hit_i.finalize();
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Scene* scene MAYBE_UNUSED = context->scene;
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Geometry* geometry MAYBE_UNUSED = scene->get(geomID);
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/* ray mask test */
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#if defined(EMBREE_RAY_MASK)
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if ((geometry->mask & ray.mask) == 0)
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return false;
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#endif
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/* call intersection filter function */
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#if defined(EMBREE_FILTER_FUNCTION)
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if (filter && (unlikely(context->hasContextFilter() || geometry->hasIntersectionFilter())))
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{
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Hit h(context->user,geomID,primID,Vec2f(hit_i.u,hit_i.v),hit_i.Ng);
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float old_t = ray.tfar;
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ray.tfar = hit_i.t;
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bool found = runIntersectionFilter1SYCL(geometry,ray,context,h);
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if (!found) {
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ray.tfar = old_t;
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return false;
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}
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}
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#endif
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ray.tfar = hit_i.t;
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ray.u = hit_i.u;
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ray.v = hit_i.v;
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ray.Ng.x = hit_i.Ng.x;
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ray.Ng.y = hit_i.Ng.y;
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ray.Ng.z = hit_i.Ng.z;
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ray.geomID = geomID;
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ray.primID = primID;
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instance_id_stack::copy_UU(context->user, context->user->instID, ray.instID);
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#if defined(EMBREE_GEOMETRY_INSTANCE_ARRAY)
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instance_id_stack::copy_UU(context->user, context->user->instPrimID, ray.instPrimID);
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#endif
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return true;
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}
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template<typename Hit_i>
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__forceinline bool operator() (bool, Hit_i& hit_i) const
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{
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hit_i.finalize();
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Scene* scene MAYBE_UNUSED = context->scene;
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Geometry* geometry MAYBE_UNUSED = scene->get(geomID);
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/* ray mask test */
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#if defined(EMBREE_RAY_MASK)
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if ((geometry->mask & ray.mask) == 0)
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return false;
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#endif
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const Vec3fa Ng = hit_i.Ng();
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const Vec2f uv = hit_i.uv();
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/* call intersection filter function */
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#if defined(EMBREE_FILTER_FUNCTION)
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if (filter && (unlikely(context->hasContextFilter() || geometry->hasIntersectionFilter())))
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{
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Hit h(context->user,geomID,primID,uv,Ng);
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float old_t = ray.tfar;
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ray.tfar = hit_i.t();
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bool found = runIntersectionFilter1SYCL(geometry,ray,context,h);
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if (!found) {
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ray.tfar = old_t;
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return false;
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}
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}
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#endif
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ray.tfar = hit_i.t();
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ray.u = uv.x;
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ray.v = uv.y;
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ray.Ng.x = Ng.x;
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ray.Ng.y = Ng.y;
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ray.Ng.z = Ng.z;
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ray.geomID = geomID;
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ray.primID = primID;
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instance_id_stack::copy_UU(context->user, context->user->instID, ray.instID);
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#if defined(EMBREE_GEOMETRY_INSTANCE_ARRAY)
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instance_id_stack::copy_UU(context->user, context->user->instPrimID, ray.instPrimID);
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#endif
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return true;
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}
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};
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template<>
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struct Intersect1Epilog1_HWIF<Ray>
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{
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Ray& ray;
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sycl::private_ptr<RayQueryContext> context;
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const unsigned int geomID;
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const unsigned int primID;
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const bool filter;
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__forceinline Intersect1Epilog1_HWIF(Ray& ray,
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sycl::private_ptr<RayQueryContext> context,
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const unsigned int geomID,
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const unsigned int primID,
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const bool filter)
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: ray(ray), context(context), geomID(geomID), primID(primID), filter(filter) {}
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template<typename Hit_i>
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__forceinline bool operator() (Hit_i& hit_i) const
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{
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hit_i.finalize();
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Scene* scene MAYBE_UNUSED = context->scene;
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Geometry* geometry MAYBE_UNUSED = scene->get(geomID);
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/* ray mask test */
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#if defined(EMBREE_RAY_MASK)
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if ((geometry->mask & ray.mask) == 0)
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return false;
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#endif
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/* call intersection filter function */
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#if defined(EMBREE_FILTER_FUNCTION)
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if (filter && (unlikely(context->hasContextFilter() || geometry->hasOcclusionFilter())))
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{
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Hit h(context->user,geomID,primID,Vec2f(hit_i.u,hit_i.v),hit_i.Ng);
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float old_t = ray.tfar;
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ray.tfar = hit_i.t;
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bool found = runIntersectionFilter1SYCL(geometry,ray,context,h);
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if (!found) {
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ray.tfar = old_t;
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return false;
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}
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}
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#endif
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ray.tfar = neg_inf;
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return true;
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}
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template<typename Hit_i>
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__forceinline bool operator() (bool, Hit_i& hit_i) const
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{
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hit_i.finalize();
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Scene* scene MAYBE_UNUSED = context->scene;
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Geometry* geometry MAYBE_UNUSED = scene->get(geomID);
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/* ray mask test */
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#if defined(EMBREE_RAY_MASK)
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if ((geometry->mask & ray.mask) == 0)
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return false;
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#endif
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/* call intersection filter function */
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#if defined(EMBREE_FILTER_FUNCTION)
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if (filter && (unlikely(context->hasContextFilter() || geometry->hasOcclusionFilter())))
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{
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const Vec3fa Ng = hit_i.Ng();
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const Vec2f uv = hit_i.uv();
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Hit h(context->user,geomID,primID,uv,Ng);
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float old_t = ray.tfar;
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ray.tfar = hit_i.t();
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bool found = runIntersectionFilter1SYCL(geometry,ray,context,h);
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if (!found) {
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ray.tfar = old_t;
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return false;
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}
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}
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#endif
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ray.tfar = neg_inf;
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return true;
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}
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};
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}
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