godot/thirdparty/embree/kernels/geometry/object.h

85 lines
2.4 KiB
C++

// Copyright 2009-2021 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#pragma once
#include "primitive.h"
namespace embree
{
struct Object
{
struct Type : public PrimitiveType
{
const char* name() const;
size_t sizeActive(const char* This) const;
size_t sizeTotal(const char* This) const;
size_t getBytes(const char* This) const;
};
static Type type;
public:
/* primitive supports multiple time segments */
static const bool singleTimeSegment = false;
/* Returns maximum number of stored primitives */
static __forceinline size_t max_size() { return 1; }
/* Returns required number of primitive blocks for N primitives */
static __forceinline size_t blocks(size_t N) { return N; }
public:
/*! constructs a virtual object */
Object (unsigned geomID, unsigned primID)
: _geomID(geomID), _primID(primID) {}
__forceinline unsigned geomID() const {
return _geomID;
}
__forceinline unsigned primID() const {
return _primID;
}
/*! fill triangle from triangle list */
__forceinline void fill(const PrimRef* prims, size_t& i, size_t end, Scene* scene)
{
const PrimRef& prim = prims[i]; i++;
new (this) Object(prim.geomID(), prim.primID());
}
/*! fill triangle from triangle list */
__forceinline LBBox3fa fillMB(const PrimRef* prims, size_t& i, size_t end, Scene* scene, size_t itime)
{
const PrimRef& prim = prims[i]; i++;
const unsigned geomID = prim.geomID();
const unsigned primID = prim.primID();
new (this) Object(geomID, primID);
AccelSet* accel = (AccelSet*) scene->get(geomID);
return accel->linearBounds(primID,itime);
}
/*! fill triangle from triangle list */
__forceinline LBBox3fa fillMB(const PrimRefMB* prims, size_t& i, size_t end, Scene* scene, const BBox1f time_range)
{
const PrimRefMB& prim = prims[i]; i++;
const unsigned geomID = prim.geomID();
const unsigned primID = prim.primID();
new (this) Object(geomID, primID);
AccelSet* accel = (AccelSet*) scene->get(geomID);
return accel->linearBounds(primID,time_range);
}
/* Updates the primitive */
__forceinline BBox3fa update(AccelSet* mesh) {
return mesh->bounds(primID());
}
private:
unsigned int _geomID; //!< geometry ID
unsigned int _primID; //!< primitive ID
};
}