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++ // Copyright 2009-2021 Intel Corporation
++ // SPDX-License-Identifier: Apache-2.0
++
++ #pragma once
++
++ #include "accel.h"
++ #include "builder.h"
++
++ namespace embree
++ {
++ class AccelInstance : public Accel
++ {
++ public:
++ AccelInstance (AccelData* accel, Builder* builder, Intersectors& intersectors)
++ : Accel(AccelData::TY_ACCEL_INSTANCE,intersectors), accel(accel), builder(builder) {}
++
++ void immutable () {
++ builder.reset(nullptr);
++ }
++
++ public:
++ void build () {
++ if (builder) builder->build();
++ bounds = accel->bounds;
++ }
++
++ void deleteGeometry(size_t geomID) {
++ if (accel ) accel->deleteGeometry(geomID);
++ if (builder) builder->deleteGeometry(geomID);
++ }
++
++ void clear() {
++ if (accel) accel->clear();
++ if (builder) builder->clear();
++ }
++
++ private:
++ std::unique_ptr<AccelData> accel;
++ std::unique_ptr<Builder> builder;
++ };
++ }