OpenVDB  4.0.1
Types.h
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30 
31 #ifndef OPENVDB_TYPES_HAS_BEEN_INCLUDED
32 #define OPENVDB_TYPES_HAS_BEEN_INCLUDED
33 
34 #include "version.h"
35 #include "Platform.h"
36 #include <OpenEXR/half.h>
37 #include <openvdb/math/Math.h>
38 #include <openvdb/math/BBox.h>
39 #include <openvdb/math/Quat.h>
40 #include <openvdb/math/Vec2.h>
41 #include <openvdb/math/Vec3.h>
42 #include <openvdb/math/Vec4.h>
43 #include <openvdb/math/Mat3.h>
44 #include <openvdb/math/Mat4.h>
45 #include <openvdb/math/Coord.h>
46 #include <memory>
47 #include <type_traits>
48 
49 
50 namespace openvdb {
52 namespace OPENVDB_VERSION_NAME {
53 
54 // One-dimensional scalar types
55 using Index32 = uint32_t;
56 using Index64 = uint64_t;
57 using Index = Index32;
58 using Int16 = int16_t;
59 using Int32 = int32_t;
60 using Int64 = int64_t;
61 using Int = Int32;
62 using Byte = unsigned char;
63 using Real = double;
64 
65 // Two-dimensional vector types
70 using math::Vec2i;
71 using math::Vec2s;
72 using math::Vec2d;
73 
74 // Three-dimensional vector types
81 using math::Vec3i;
82 using math::Vec3s;
83 using math::Vec3d;
84 
85 using math::Coord;
86 using math::CoordBBox;
88 
89 // Four-dimensional vector types
94 using math::Vec4i;
95 using math::Vec4s;
96 using math::Vec4d;
97 
98 // Three-dimensional matrix types
100 
101 // Four-dimensional matrix types
105 
106 // Quaternions
108 
109 // Dummy type for a voxel with a binary mask value, e.g. the active state
110 class ValueMask {};
111 
112 
113 #ifdef OPENVDB_3_ABI_COMPATIBLE
114 
115 // Use Boost shared pointers in OpenVDB 3 ABI compatibility mode.
116 template<typename T> using SharedPtr = boost::shared_ptr<T>;
117 
118 template<typename T, typename U> inline SharedPtr<T>
119 ConstPtrCast(const SharedPtr<U>& ptr) { return boost::const_pointer_cast<T, U>(ptr); }
120 
121 template<typename T, typename U> inline SharedPtr<T>
122 DynamicPtrCast(const SharedPtr<U>& ptr) { return boost::dynamic_pointer_cast<T, U>(ptr); }
123 
124 template<typename T, typename U> inline SharedPtr<T>
125 StaticPtrCast(const SharedPtr<U>& ptr) { return boost::static_pointer_cast<T, U>(ptr); }
126 
127 #else // if !defined(OPENVDB_3_ABI_COMPATIBLE)
128 
129 // Use STL shared pointers from OpenVDB 4 on.
130 template<typename T> using SharedPtr = std::shared_ptr<T>;
131 
140 template<typename T, typename U> inline SharedPtr<T>
141 ConstPtrCast(const SharedPtr<U>& ptr) { return std::const_pointer_cast<T, U>(ptr); }
142 
150 template<typename T, typename U> inline SharedPtr<T>
151 DynamicPtrCast(const SharedPtr<U>& ptr) { return std::dynamic_pointer_cast<T, U>(ptr); }
152 
160 template<typename T, typename U> inline SharedPtr<T>
161 StaticPtrCast(const SharedPtr<U>& ptr) { return std::static_pointer_cast<T, U>(ptr); }
162 
163 #endif // OPENVDB_3_ABI_COMPATIBLE
164 
165 
167 
168 
172 template<typename IntType_, Index Kind>
174 {
175  static_assert(std::is_integral<IntType_>::value, "PointIndex requires an integer value type");
176 
177  using IntType = IntType_;
178 
179  PointIndex(IntType i = IntType(0)): mIndex(i) {}
180 
181  operator IntType() const { return mIndex; }
182 
184  template<typename T>
185  PointIndex operator+(T x) { return PointIndex(mIndex + IntType(x)); }
186 
187 private:
188  IntType mIndex;
189 };
190 
191 
194 
197 
198 
200 
201 
202 template<typename T> struct VecTraits {
203  static const bool IsVec = false;
204  static const int Size = 1;
205  using ElementType = T;
206 };
207 
208 template<typename T> struct VecTraits<math::Vec2<T> > {
209  static const bool IsVec = true;
210  static const int Size = 2;
211  using ElementType = T;
212 };
213 
214 template<typename T> struct VecTraits<math::Vec3<T> > {
215  static const bool IsVec = true;
216  static const int Size = 3;
217  using ElementType = T;
218 };
219 
220 template<typename T> struct VecTraits<math::Vec4<T> > {
221  static const bool IsVec = true;
222  static const int Size = 4;
223  using ElementType = T;
224 };
225 
226 
228 
229 
232 template<typename FromType, typename ToType>
233 struct CanConvertType { enum { value = std::is_constructible<ToType, FromType>::value }; };
234 
235 // Specializations for vector types, which can be constructed from values
236 // of their own ValueTypes (or values that can be converted to their ValueTypes),
237 // but only explicitly
238 template<typename T> struct CanConvertType<T, math::Vec2<T> > { enum { value = true }; };
239 template<typename T> struct CanConvertType<T, math::Vec3<T> > { enum { value = true }; };
240 template<typename T> struct CanConvertType<T, math::Vec4<T> > { enum { value = true }; };
241 template<typename T> struct CanConvertType<math::Vec2<T>, math::Vec2<T> > { enum {value = true}; };
242 template<typename T> struct CanConvertType<math::Vec3<T>, math::Vec3<T> > { enum {value = true}; };
243 template<typename T> struct CanConvertType<math::Vec4<T>, math::Vec4<T> > { enum {value = true}; };
244 template<typename T0, typename T1>
245 struct CanConvertType<T0, math::Vec2<T1> > { enum { value = CanConvertType<T0, T1>::value }; };
246 template<typename T0, typename T1>
247 struct CanConvertType<T0, math::Vec3<T1> > { enum { value = CanConvertType<T0, T1>::value }; };
248 template<typename T0, typename T1>
249 struct CanConvertType<T0, math::Vec4<T1> > { enum { value = CanConvertType<T0, T1>::value }; };
250 template<> struct CanConvertType<PointIndex32, PointDataIndex32> { enum {value = true}; };
251 template<> struct CanConvertType<PointDataIndex32, PointIndex32> { enum {value = true}; };
252 template<typename T>
254 template<typename T>
256 
257 
259 
260 
261 // Add new items to the *end* of this list, and update NUM_GRID_CLASSES.
262 enum GridClass {
267 };
269 
270 static const Real LEVEL_SET_HALF_WIDTH = 3;
271 
292 enum VecType {
298 };
300 
301 
319 };
320 
321 
323 
324 
325 template<typename T> const char* typeNameAsString() { return typeid(T).name(); }
326 template<> inline const char* typeNameAsString<bool>() { return "bool"; }
327 template<> inline const char* typeNameAsString<ValueMask>() { return "mask"; }
328 template<> inline const char* typeNameAsString<half>() { return "half"; }
329 template<> inline const char* typeNameAsString<float>() { return "float"; }
330 template<> inline const char* typeNameAsString<double>() { return "double"; }
331 template<> inline const char* typeNameAsString<uint8_t>() { return "uint8"; }
332 template<> inline const char* typeNameAsString<int16_t>() { return "int16"; }
333 template<> inline const char* typeNameAsString<uint16_t>() { return "uint16"; }
334 template<> inline const char* typeNameAsString<int32_t>() { return "int32"; }
335 template<> inline const char* typeNameAsString<uint32_t>() { return "uint32"; }
336 template<> inline const char* typeNameAsString<int64_t>() { return "int64"; }
337 template<> inline const char* typeNameAsString<Vec2i>() { return "vec2i"; }
338 template<> inline const char* typeNameAsString<Vec2s>() { return "vec2s"; }
339 template<> inline const char* typeNameAsString<Vec2d>() { return "vec2d"; }
340 template<> inline const char* typeNameAsString<Vec3U8>() { return "vec3u8"; }
341 template<> inline const char* typeNameAsString<Vec3U16>() { return "vec3u16"; }
342 template<> inline const char* typeNameAsString<Vec3i>() { return "vec3i"; }
343 template<> inline const char* typeNameAsString<Vec3f>() { return "vec3s"; }
344 template<> inline const char* typeNameAsString<Vec3d>() { return "vec3d"; }
345 template<> inline const char* typeNameAsString<std::string>() { return "string"; }
346 template<> inline const char* typeNameAsString<Mat4s>() { return "mat4s"; }
347 template<> inline const char* typeNameAsString<Mat4d>() { return "mat4d"; }
348 template<> inline const char* typeNameAsString<math::Quats>() { return "quats"; }
349 template<> inline const char* typeNameAsString<math::Quatd>() { return "quatd"; }
350 template<> inline const char* typeNameAsString<PointIndex32>() { return "ptidx32"; }
351 template<> inline const char* typeNameAsString<PointIndex64>() { return "ptidx64"; }
352 template<> inline const char* typeNameAsString<PointDataIndex32>() { return "ptdataidx32"; }
353 template<> inline const char* typeNameAsString<PointDataIndex64>() { return "ptdataidx64"; }
354 
355 
357 
358 
370 template<typename AValueType, typename BValueType = AValueType>
372 {
373 public:
374  using AValueT = AValueType;
375  using BValueT = BValueType;
376 
378  : mAValPtr(NULL)
379  , mBValPtr(NULL)
380  , mResultValPtr(&mResultVal)
381  , mAIsActive(false)
382  , mBIsActive(false)
383  , mResultIsActive(false)
384  {
385  }
386 
388  CombineArgs(const AValueType& a, const BValueType& b, AValueType& result,
389  bool aOn = false, bool bOn = false)
390  : mAValPtr(&a)
391  , mBValPtr(&b)
392  , mResultValPtr(&result)
393  , mAIsActive(aOn)
394  , mBIsActive(bOn)
395  {
396  this->updateResultActive();
397  }
398 
400  CombineArgs(const AValueType& a, const BValueType& b, bool aOn = false, bool bOn = false)
401  : mAValPtr(&a)
402  , mBValPtr(&b)
403  , mResultValPtr(&mResultVal)
404  , mAIsActive(aOn)
405  , mBIsActive(bOn)
406  {
407  this->updateResultActive();
408  }
409 
411  const AValueType& a() const { return *mAValPtr; }
413  const BValueType& b() const { return *mBValPtr; }
415  const AValueType& result() const { return *mResultValPtr; }
417  AValueType& result() { return *mResultValPtr; }
419 
421  CombineArgs& setResult(const AValueType& val) { *mResultValPtr = val; return *this; }
422 
424  CombineArgs& setARef(const AValueType& a) { mAValPtr = &a; return *this; }
426  CombineArgs& setBRef(const BValueType& b) { mBValPtr = &b; return *this; }
428  CombineArgs& setResultRef(AValueType& val) { mResultValPtr = &val; return *this; }
429 
431  bool aIsActive() const { return mAIsActive; }
433  bool bIsActive() const { return mBIsActive; }
435  bool resultIsActive() const { return mResultIsActive; }
436 
438  CombineArgs& setAIsActive(bool b) { mAIsActive = b; updateResultActive(); return *this; }
440  CombineArgs& setBIsActive(bool b) { mBIsActive = b; updateResultActive(); return *this; }
442  CombineArgs& setResultIsActive(bool b) { mResultIsActive = b; return *this; }
443 
444 protected:
447  void updateResultActive() { mResultIsActive = mAIsActive || mBIsActive; }
448 
449  const AValueType* mAValPtr; // pointer to input value from A grid
450  const BValueType* mBValPtr; // pointer to input value from B grid
451  AValueType mResultVal; // computed output value (unused if stored externally)
452  AValueType* mResultValPtr; // pointer to either mResultVal or an external value
453  bool mAIsActive, mBIsActive; // active states of A and B values
454  bool mResultIsActive; // computed active state (default: A active || B active)
455 };
456 
457 
461 template<typename ValueType, typename CombineOp>
463 {
464  SwappedCombineOp(CombineOp& _op): op(_op) {}
465 
467  {
468  CombineArgs<ValueType> swappedArgs(args.b(), args.a(), args.result(),
469  args.bIsActive(), args.aIsActive());
470  op(swappedArgs);
471  }
472 
473  CombineOp& op;
474 };
475 
476 
478 
479 
480 #ifdef OPENVDB_3_ABI_COMPATIBLE
481 enum CopyPolicy { CP_NEW, CP_SHARE, CP_COPY };
495 #endif
496 
497 
500 class ShallowCopy {};
503 class TopologyCopy {};
505 class PartialCreate {};
506 
507 } // namespace OPENVDB_VERSION_NAME
508 } // namespace openvdb
509 
510 
511 #if defined(__ICC)
512 
513 // Use these defines to bracket a region of code that has safe static accesses.
514 // Keep the region as small as possible.
515 #define OPENVDB_START_THREADSAFE_STATIC_REFERENCE __pragma(warning(disable:1710))
516 #define OPENVDB_FINISH_THREADSAFE_STATIC_REFERENCE __pragma(warning(default:1710))
517 #define OPENVDB_START_THREADSAFE_STATIC_WRITE __pragma(warning(disable:1711))
518 #define OPENVDB_FINISH_THREADSAFE_STATIC_WRITE __pragma(warning(default:1711))
519 #define OPENVDB_START_THREADSAFE_STATIC_ADDRESS __pragma(warning(disable:1712))
520 #define OPENVDB_FINISH_THREADSAFE_STATIC_ADDRESS __pragma(warning(default:1712))
521 
522 // Use these defines to bracket a region of code that has unsafe static accesses.
523 // Keep the region as small as possible.
524 #define OPENVDB_START_NON_THREADSAFE_STATIC_REFERENCE __pragma(warning(disable:1710))
525 #define OPENVDB_FINISH_NON_THREADSAFE_STATIC_REFERENCE __pragma(warning(default:1710))
526 #define OPENVDB_START_NON_THREADSAFE_STATIC_WRITE __pragma(warning(disable:1711))
527 #define OPENVDB_FINISH_NON_THREADSAFE_STATIC_WRITE __pragma(warning(default:1711))
528 #define OPENVDB_START_NON_THREADSAFE_STATIC_ADDRESS __pragma(warning(disable:1712))
529 #define OPENVDB_FINISH_NON_THREADSAFE_STATIC_ADDRESS __pragma(warning(default:1712))
530 
531 // Simpler version for one-line cases
532 #define OPENVDB_THREADSAFE_STATIC_REFERENCE(CODE) \
533  __pragma(warning(disable:1710)); CODE; __pragma(warning(default:1710))
534 #define OPENVDB_THREADSAFE_STATIC_WRITE(CODE) \
535  __pragma(warning(disable:1711)); CODE; __pragma(warning(default:1711))
536 #define OPENVDB_THREADSAFE_STATIC_ADDRESS(CODE) \
537  __pragma(warning(disable:1712)); CODE; __pragma(warning(default:1712))
538 
539 #else // GCC does not support these compiler warnings
540 
541 #define OPENVDB_START_THREADSAFE_STATIC_REFERENCE
542 #define OPENVDB_FINISH_THREADSAFE_STATIC_REFERENCE
543 #define OPENVDB_START_THREADSAFE_STATIC_WRITE
544 #define OPENVDB_FINISH_THREADSAFE_STATIC_WRITE
545 #define OPENVDB_START_THREADSAFE_STATIC_ADDRESS
546 #define OPENVDB_FINISH_THREADSAFE_STATIC_ADDRESS
547 
548 #define OPENVDB_START_NON_THREADSAFE_STATIC_REFERENCE
549 #define OPENVDB_FINISH_NON_THREADSAFE_STATIC_REFERENCE
550 #define OPENVDB_START_NON_THREADSAFE_STATIC_WRITE
551 #define OPENVDB_FINISH_NON_THREADSAFE_STATIC_WRITE
552 #define OPENVDB_START_NON_THREADSAFE_STATIC_ADDRESS
553 #define OPENVDB_FINISH_NON_THREADSAFE_STATIC_ADDRESS
554 
555 #define OPENVDB_THREADSAFE_STATIC_REFERENCE(CODE) CODE
556 #define OPENVDB_THREADSAFE_STATIC_WRITE(CODE) CODE
557 #define OPENVDB_THREADSAFE_STATIC_ADDRESS(CODE) CODE
558 
559 #endif // defined(__ICC)
560 
561 #endif // OPENVDB_TYPES_HAS_BEEN_INCLUDED
562 
563 // Copyright (c) 2012-2017 DreamWorks Animation LLC
564 // All rights reserved. This software is distributed under the
565 // Mozilla Public License 2.0 ( http://www.mozilla.org/MPL/2.0/ )
CombineArgs & setBRef(const BValueType &b)
Redirect the B value to a new external source.
Definition: Types.h:426
Vec3< float > Vec3s
Definition: Vec3.h:707
Tag dispatch class that distinguishes topology copy constructors from deep copy constructors.
Definition: Types.h:503
Definition: Types.h:317
uint32_t Index32
Definition: Types.h:55
bool resultIsActive() const
Definition: Types.h:435
const char * typeNameAsString< Vec3f >()
Definition: Types.h:343
const char * typeNameAsString< bool >()
Definition: Types.h:326
Vec2< double > Vec2d
Definition: Vec2.h:582
const char * typeNameAsString< PointDataIndex64 >()
Definition: Types.h:353
PointIndex(IntType i=IntType(0))
Definition: Types.h:179
AValueType mResultVal
Definition: Types.h:451
General-purpose arithmetic and comparison routines, most of which accept arbitrary value types (or at...
Definition: Types.h:268
bool aIsActive() const
Definition: Types.h:431
const char * typeNameAsString< PointIndex64 >()
Definition: Types.h:351
double Real
Definition: Types.h:63
const char * typeNameAsString()
Definition: Types.h:325
Vec3< int32_t > Vec3i
Definition: Vec3.h:705
Vec4< float > Vec4s
Definition: Vec4.h:623
Definition: Types.h:462
PointIndex operator+(T x)
Needed to support the (zeroVal<PointIndex>() + val) idiom.
Definition: Types.h:185
Axis-aligned bounding box of signed integer coordinates.
Definition: Coord.h:266
SharedPtr< T > StaticPtrCast(const SharedPtr< U > &ptr)
Return a new shared pointer that points to the same object as the given pointer after a static_cast...
Definition: Types.h:161
const AValueType & a() const
Get the A input value.
Definition: Types.h:411
Vec2< float > Vec2s
Definition: Vec2.h:581
Definition: Types.h:263
const char * typeNameAsString< Vec3U8 >()
Definition: Types.h:340
CombineArgs()
Definition: Types.h:377
int64_t Int64
Definition: Types.h:60
const char * typeNameAsString< int32_t >()
Definition: Types.h:334
AValueType & result()
Get the output value.
Definition: Types.h:417
Signed (x, y, z) 32-bit integer coordinates.
Definition: Coord.h:48
Definition: Mat.h:161
CombineArgs & setARef(const AValueType &a)
Redirect the A value to a new external source.
Definition: Types.h:424
const char * typeNameAsString< int64_t >()
Definition: Types.h:336
AValueType AValueT
Definition: Types.h:374
GridClass
Definition: Types.h:262
const char * typeNameAsString< Mat4s >()
Definition: Types.h:346
BValueType BValueT
Definition: Types.h:375
static const Real LEVEL_SET_HALF_WIDTH
Definition: Types.h:270
T ElementType
Definition: Types.h:205
void operator()(CombineArgs< ValueType > &args)
Definition: Types.h:466
const char * typeNameAsString< int16_t >()
Definition: Types.h:332
Int32 Int
Definition: Types.h:61
Tag dispatch class that distinguishes shallow copy constructors from deep copy constructors.
Definition: Types.h:500
#define OPENVDB_VERSION_NAME
Definition: version.h:43
const char * typeNameAsString< Vec2i >()
Definition: Types.h:337
Definition: Types.h:294
Vec3< double > Vec3d
Definition: Vec3.h:708
3x3 matrix class.
Definition: Mat3.h:54
AValueType * mResultValPtr
Definition: Types.h:452
const char * typeNameAsString< PointDataIndex32 >()
Definition: Types.h:352
const char * typeNameAsString< double >()
Definition: Types.h:330
const char * typeNameAsString< Vec2s >()
Definition: Types.h:338
This struct collects both input and output arguments to "grid combiner" functors used with the tree::...
Definition: Types.h:371
SwappedCombineOp(CombineOp &_op)
Definition: Types.h:464
CombineArgs & setResultRef(AValueType &val)
Redirect the result value to a new external destination.
Definition: Types.h:428
const AValueType * mAValPtr
Definition: Types.h:449
Definition: Types.h:299
CombineArgs & setResult(const AValueType &val)
Set the output value.
Definition: Types.h:421
Definition: Exceptions.h:39
Definition: Vec2.h:49
const BValueType * mBValPtr
Definition: Types.h:450
Vec4< int32_t > Vec4i
Definition: Vec4.h:621
const char * typeNameAsString< PointIndex32 >()
Definition: Types.h:350
unsigned char Byte
Definition: Types.h:62
Definition: Types.h:202
const char * typeNameAsString< Vec3d >()
Definition: Types.h:344
CombineArgs(const AValueType &a, const BValueType &b, AValueType &result, bool aOn=false, bool bOn=false)
Use this constructor when the result value is stored externally.
Definition: Types.h:388
const char * typeNameAsString< float >()
Definition: Types.h:329
SharedPtr< T > DynamicPtrCast(const SharedPtr< U > &ptr)
Return a new shared pointer that is either null or points to the same object as the given pointer aft...
Definition: Types.h:151
Definition: Types.h:265
bool bIsActive() const
Definition: Types.h:433
Definition: Types.h:266
uint64_t Index64
Definition: Types.h:56
MergePolicy
Definition: Types.h:315
int16_t Int16
Definition: Types.h:58
Vec4< double > Vec4d
Definition: Vec4.h:624
Definition: Types.h:110
IntType_ IntType
Definition: Types.h:177
const char * typeNameAsString< half >()
Definition: Types.h:328
const char * typeNameAsString< ValueMask >()
Definition: Types.h:327
bool mBIsActive
Definition: Types.h:453
std::shared_ptr< T > SharedPtr
Definition: Types.h:130
const char * typeNameAsString< uint8_t >()
Definition: Types.h:331
bool mResultIsActive
Definition: Types.h:454
VecType
Definition: Types.h:292
CombineArgs & setAIsActive(bool b)
Set the active state of the A value.
Definition: Types.h:438
CanConvertType<FromType, ToType>::value is true if a value of type ToType can be constructed from a v...
Definition: Types.h:233
Vec2< int32_t > Vec2i
Definition: Vec2.h:579
const char * typeNameAsString< uint32_t >()
Definition: Types.h:335
const char * typeNameAsString< Vec3i >()
Definition: Types.h:342
CombineArgs & setResultIsActive(bool b)
Set the active state of the output value.
Definition: Types.h:442
const BValueType & b() const
Get the B input value.
Definition: Types.h:413
const char * typeNameAsString< Vec2d >()
Definition: Types.h:339
void updateResultActive()
Definition: Types.h:447
Definition: Types.h:293
Definition: Mat4.h:51
Tag dispatch class that distinguishes constructors during file input.
Definition: Types.h:505
CombineArgs & setBIsActive(bool b)
Set the active state of the B value.
Definition: Types.h:440
#define OPENVDB_USE_VERSION_NAMESPACE
Definition: version.h:71
const char * typeNameAsString< Vec3U16 >()
Definition: Types.h:341
int32_t Int32
Definition: Types.h:59
const char * typeNameAsString< Mat4d >()
Definition: Types.h:347
Index32 Index
Definition: Types.h:57
Integer wrapper, required to distinguish PointIndexGrid and PointDataGrid from Int32Grid and Int64Gri...
Definition: Types.h:173
CombineArgs(const AValueType &a, const BValueType &b, bool aOn=false, bool bOn=false)
Use this constructor when the result value should be stored in this struct.
Definition: Types.h:400
SharedPtr< T > ConstPtrCast(const SharedPtr< U > &ptr)
Return a new shared pointer that points to the same object as the given pointer but with possibly dif...
Definition: Types.h:141
const AValueType & result() const
Get the output value.
Definition: Types.h:416
Definition: Types.h:264
const char * typeNameAsString< uint16_t >()
Definition: Types.h:333
CombineOp & op
Definition: Types.h:473