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Add if test for optimisation if SUPPORTS_ROTATION is Tag_true;

This commit is contained in:
Maxime Gimeno 2018-07-25 17:29:50 +02:00
parent 89e3c69db0
commit dd78147d3a
2 changed files with 44 additions and 26 deletions
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58
Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/internal/AABB_do_intersect_transform_traits.h
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@ -42,29 +42,31 @@
namespace CGAL {
template<typename Kernel, typename AABBPrimitive,
typename HAS_ROTATION = CGAL::Tag_true>
typename SUPPORTS_ROTATION = CGAL::Tag_true>
class AABB_do_intersect_transform_traits:
public AABB_traits<Kernel, AABBPrimitive>
{
mutable Aff_transformation_3<Kernel> m_transfo;
mutable bool has_rotation;
typedef AABB_traits<Kernel, AABBPrimitive> BaseTraits;
typedef AABB_do_intersect_transform_traits<Kernel, AABBPrimitive, HAS_ROTATION> Self;
public:
typedef AABB_do_intersect_transform_traits<Kernel, AABBPrimitive, SUPPORTS_ROTATION> Self;
//Constructor
AABB_do_intersect_transform_traits(const Aff_transformation_3<Kernel>& transf = Aff_transformation_3<Kernel>(IDENTITY))
:m_transfo(transf)
{}
// AABBTraits concept types
typedef typename BaseTraits::Point_3 Point_3;
typedef typename BaseTraits::Primitive Primitive;
typedef typename BaseTraits::Bounding_box Bounding_box;
// helper functions
Bbox_3
static compute_transformed_bbox(const Bbox_3& bbox, const Aff_transformation_3<Kernel>& transfo, Tag_true)
void set_transformation(const Aff_transformation_3<Kernel>& trans, CGAL::Tag_true) const
{
has_rotation = (trans.m(0,1) != 0
|| trans.m(0,2) != 0
|| trans.m(1,0) != 0
|| trans.m(1,2) != 0
|| trans.m(2,0) != 0
|| trans.m(2,1) !=0);
}
void set_transformation(const Aff_transformation_3<Kernel>& trans, CGAL::Tag_false) const
{}
Bbox_3
compute_transformed_bbox_impl(const Bbox_3& bbox, const Aff_transformation_3<Kernel>& transfo, Tag_true)const
{
if(has_rotation)
return compute_transformed_bbox_impl(bbox, m_transfo, Tag_false());
typedef Simple_cartesian<Interval_nt_advanced> AK;
typedef Cartesian_converter<Kernel, AK> C2F;
C2F c2f;
@ -90,9 +92,8 @@ public:
}
Bbox_3
static compute_transformed_bbox(const Bbox_3& bbox, const Aff_transformation_3<Kernel>& transfo, Tag_false)
compute_transformed_bbox_impl(const Bbox_3& bbox, const Aff_transformation_3<Kernel>& transfo, Tag_false)const
{
// TODO: possible optimization using Protector
typedef Simple_cartesian<Interval_nt_advanced > AK;
typedef Cartesian_converter<Kernel, AK> C2F;
C2F c2f;
@ -109,18 +110,34 @@ public:
return bbox_3(ps, ps+2);
}
public:
//Constructor
AABB_do_intersect_transform_traits(const Aff_transformation_3<Kernel>& transf = Aff_transformation_3<Kernel>(IDENTITY))
{
has_rotation = false;
set_transformation(transf, SUPPORTS_ROTATION());
}
// AABBTraits concept types
typedef typename BaseTraits::Point_3 Point_3;
typedef typename BaseTraits::Primitive Primitive;
typedef typename BaseTraits::Bounding_box Bounding_box;
// helper functions
Bbox_3
compute_transformed_bbox(const Bbox_3& bbox) const
{
return compute_transformed_bbox(bbox, m_transfo, HAS_ROTATION());
return compute_transformed_bbox_impl(bbox, m_transfo, SUPPORTS_ROTATION());
}
// Do_intersect predicate
class Do_intersect
: BaseTraits::Do_intersect
{
typedef AABB_do_intersect_transform_traits<Kernel, AABBPrimitive, HAS_ROTATION> AABBTraits;
typedef AABB_do_intersect_transform_traits<Kernel, AABBPrimitive, SUPPORTS_ROTATION> AABBTraits;
const AABBTraits& m_traits;
typedef typename BaseTraits::Do_intersect Base;
@ -174,6 +191,7 @@ public:
void set_transformation(const Aff_transformation_3<Kernel>& trans) const
{
m_transfo = trans;
set_transformation(trans, SUPPORTS_ROTATION());
}
const Aff_transformation_3<Kernel>& transformation() const { return m_transfo; }