86 lines
2.5 KiB
C++
86 lines
2.5 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 "primitive.h"
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#include "../common/scene_instance_array.h"
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namespace embree
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{
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//template<int M>
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struct InstanceArrayPrimitive
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{
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struct Type : public PrimitiveType
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{
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const char* name() const;
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size_t sizeActive(const char* This) const;
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size_t sizeTotal(const char* This) const;
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size_t getBytes(const char* This) const;
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};
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static Type type;
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public:
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/* primitive supports multiple time segments */
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static const bool singleTimeSegment = false;
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/* Returns maximum number of stored primitives */
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static __forceinline size_t max_size() { return 1; }
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/* Returns required number of primitive blocks for N primitives */
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static __forceinline size_t blocks(size_t N) { return N; }
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public:
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InstanceArrayPrimitive (const uint32_t geomID, const uint32_t primID)
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: primID_(primID)
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, instID_(geomID)
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{}
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__forceinline bool valid() const {
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return primID_ != -1;
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}
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void fill(const PrimRef* prims, size_t& i, size_t end, Scene* scene)
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{
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assert(end-i == 1);
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const PrimRef& prim = prims[i]; i++;
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const unsigned int geomID = prim.geomID();
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const unsigned int primID = prim.primID();
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new (this) InstanceArrayPrimitive(geomID, primID);
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}
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__forceinline LBBox3fa fillMB(const PrimRef* prims, size_t& i, size_t end, Scene* scene, size_t itime)
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{
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assert(end-i == 1);
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const PrimRef& prim = prims[i]; i++;
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const unsigned int geomID = prim.geomID();
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const size_t primID = prim.primID();
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new (this) InstanceArrayPrimitive(geomID, primID);
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const InstanceArray* instanceArray = scene->get<InstanceArray>(geomID);
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return instanceArray->linearBounds(primID,itime);
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}
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__forceinline LBBox3fa fillMB(const PrimRefMB* prims, size_t& i, size_t end, Scene* scene, const BBox1f time_range)
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{
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assert(end-i == 1);
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const PrimRefMB& prim = prims[i]; i++;
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const unsigned int geomID = prim.geomID();
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const size_t primID = prim.primID();
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new (this) InstanceArrayPrimitive(geomID, primID);
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const InstanceArray* instanceArray = scene->get<InstanceArray>(geomID);
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return instanceArray->linearBounds(primID,time_range);
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}
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/* Updates the primitive */
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__forceinline BBox3fa update(InstanceArray* instanceArray) {
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return instanceArray->bounds(0);
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}
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public:
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unsigned int primID_;
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unsigned int instID_;
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};
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}
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