OpenVDB: AttributeArray.h Source File

OpenVDB 5.2.0

AttributeArray.h
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30
36
37 #ifndef OPENVDB_POINTS_ATTRIBUTE_ARRAY_HAS_BEEN_INCLUDED
38 #define OPENVDB_POINTS_ATTRIBUTE_ARRAY_HAS_BEEN_INCLUDED
39
40 #include <openvdb/Types.h>
41 #include <openvdb/math/QuantizedUnitVec.h>
42 #include <openvdb/util/Name.h>
43 #include <openvdb/util/logging.h>
44 #include <openvdb/io/io.h> // MappedFile
45 #include <openvdb/io/Compression.h> // COMPRESS_BLOSC
46
47 #include "IndexIterator.h"
48 #include "StreamCompression.h"
49
50 #include <tbb/spin_mutex.h>
51 #include <tbb/atomic.h>
52
53 #include <memory>
54 #include <string>
55 #include <type_traits>
56
57
58 class TestAttributeArray;
59
60 namespace openvdb {
61 OPENVDB_USE_VERSION_NAMESPACE
62 namespace OPENVDB_VERSION_NAME {
63
64
65 using NamePair = std::pair<Name, Name>;
66
67 namespace points {
68
69
71
72 // Utility methods
73
74 template <typename IntegerT, typename FloatT>
75 inline IntegerT
76 floatingPointToFixedPoint(const FloatT s)
77 {
78 static_assert(std::is_unsigned<IntegerT>::value, "IntegerT must be unsigned");
79 if (FloatT(0.0) > s) return std::numeric_limits<IntegerT>::min();
80 else if (FloatT(1.0) <= s) return std::numeric_limits<IntegerT>::max();
81 return IntegerT(std::floor(s * FloatT(std::numeric_limits<IntegerT>::max())));
82 }
83
84
85 template <typename FloatT, typename IntegerT>
86 inline FloatT
87 fixedPointToFloatingPoint(const IntegerT s)
88 {
89 static_assert(std::is_unsigned<IntegerT>::value, "IntegerT must be unsigned");
90 return FloatT(s) / FloatT((std::numeric_limits<IntegerT>::max()));
91 }
92
93 template <typename IntegerVectorT, typename FloatT>
94 inline IntegerVectorT
95 floatingPointToFixedPoint(const math::Vec3<FloatT>& v)
96 {
97 return IntegerVectorT(
98 floatingPointToFixedPoint<typename IntegerVectorT::ValueType>(v.x()),
99 floatingPointToFixedPoint<typename IntegerVectorT::ValueType>(v.y()),
100 floatingPointToFixedPoint<typename IntegerVectorT::ValueType>(v.z()));
101 }
102
103 template <typename FloatVectorT, typename IntegerT>
104 inline FloatVectorT
105 fixedPointToFloatingPoint(const math::Vec3<IntegerT>& v)
106 {
107 return FloatVectorT(
108 fixedPointToFloatingPoint<typename FloatVectorT::ValueType>(v.x()),
109 fixedPointToFloatingPoint<typename FloatVectorT::ValueType>(v.y()),
110 fixedPointToFloatingPoint<typename FloatVectorT::ValueType>(v.z()));
111 }
112
113
115
116
118 class OPENVDB_API AttributeArray
119 {
120 protected:
121 struct AccessorBase;
122 template <typename T> struct Accessor;
123
124 using AccessorBasePtr = std::shared_ptr<AccessorBase>;
125
126 public:
127 enum Flag {
128 TRANSIENT = 0x1,
129 HIDDEN = 0x2,
130 OUTOFCORE = 0x4,
131 CONSTANTSTRIDE = 0x8,
132 STREAMING = 0x10
133 };
134
135 enum SerializationFlag {
136 WRITESTRIDED = 0x1,
137 WRITEUNIFORM = 0x2,
138 WRITEMEMCOMPRESS = 0x4,
139 WRITEPAGED = 0x8
140 };
141
142 using Ptr = std::shared_ptr<AttributeArray>;
143 using ConstPtr = std::shared_ptr<const AttributeArray>;
144
145 using FactoryMethod = Ptr (*)(Index, Index, bool);
146
147 template <typename ValueType, typename CodecType> friend class AttributeHandle;
148
149 AttributeArray() = default;
150 AttributeArray(const AttributeArray&) = default;
151 AttributeArray& operator=(const AttributeArray&) = default;
152 virtual ~AttributeArray() = default;
153
155 virtual AttributeArray::Ptr copy() const = 0;
156
158 virtual AttributeArray::Ptr copyUncompressed() const = 0;
159
162 virtual Index size() const = 0;
163
166 virtual Index stride() const = 0;
167
170 virtual Index dataSize() const = 0;
171
173 virtual size_t memUsage() const = 0;
174
176 static Ptr create(const NamePair& type, Index length, Index stride = 1, bool constantStride = true);
178 static bool isRegistered(const NamePair& type);
180 static void clearRegistry();
181
183 virtual const NamePair& type() const = 0;
185 template<typename AttributeArrayType>
186 bool isType() const { return this->type() == AttributeArrayType::attributeType(); }
187
189 template<typename ValueType>
190 bool hasValueType() const { return this->type().first == typeNameAsString<ValueType>(); }
191
193 virtual void set(const Index n, const AttributeArray& sourceArray, const Index sourceIndex) = 0;
194
196 virtual bool isUniform() const = 0;
199 virtual void expand(bool fill = true) = 0;
201 virtual void collapse() = 0;
203 virtual bool compact() = 0;
204
206 bool isCompressed() const { return mCompressedBytes != 0; }
208 virtual bool compress() = 0;
210 virtual bool decompress() = 0;
211
216 void setHidden(bool state);
218 bool isHidden() const { return bool(mFlags & HIDDEN); }
219
223 void setTransient(bool state);
225 bool isTransient() const { return bool(mFlags & TRANSIENT); }
226
231 void setStreaming(bool state);
233 bool isStreaming() const { return bool(mFlags & STREAMING); }
234
236 bool hasConstantStride() const { return bool(mFlags & CONSTANTSTRIDE); }
237
239 uint8_t flags() const { return mFlags; }
240
242 virtual void read(std::istream&) = 0;
245 virtual void write(std::ostream&, bool outputTransient) const = 0;
247 virtual void write(std::ostream&) const = 0;
248
250 virtual void readMetadata(std::istream&) = 0;
254 virtual void writeMetadata(std::ostream&, bool outputTransient, bool paged) const = 0;
255
257 virtual void readBuffers(std::istream&) = 0;
260 virtual void writeBuffers(std::ostream&, bool outputTransient) const = 0;
261
263 virtual void readPagedBuffers(compression::PagedInputStream&) = 0;
266 virtual void writePagedBuffers(compression::PagedOutputStream&, bool outputTransient) const = 0;
267
269 virtual void loadData() const = 0;
270
274 bool operator==(const AttributeArray& other) const;
275 bool operator!=(const AttributeArray& other) const { return !this->operator==(other); }
276
277 private:
278 friend class ::TestAttributeArray;
279
282 virtual bool isEqual(const AttributeArray& other) const = 0;
283
284 protected:
286 void setConstantStride(bool state);
287
289 virtual AccessorBasePtr getAccessor() const = 0;
290
292 static void registerType(const NamePair& type, FactoryMethod);
294 static void unregisterType(const NamePair& type);
295
296 size_t mCompressedBytes = 0;
297 uint8_t mFlags = 0;
298 uint8_t mSerializationFlags = 0;
299
300 #if OPENVDB_ABI_VERSION_NUMBER >= 5
301 tbb::atomic<Index32> mOutOfCore = 0; // interpreted as bool
302 #endif
303
305 compression::PageHandle::Ptr mPageHandle;
306 }; // class AttributeArray
307
308
310
311
313 struct AttributeArray::AccessorBase { virtual ~AccessorBase() = default; };
314
317 template <typename T>
318 struct AttributeArray::Accessor : public AttributeArray::AccessorBase
319 {
320 using GetterPtr = T (*)(const AttributeArray* array, const Index n);
321 using SetterPtr = void (*)(AttributeArray* array, const Index n, const T& value);
322 using ValuePtr = void (*)(AttributeArray* array, const T& value);
323
324 Accessor(GetterPtr getter, SetterPtr setter, ValuePtr collapser, ValuePtr filler) :
325 mGetter(getter), mSetter(setter), mCollapser(collapser), mFiller(filler) { }
326
327 GetterPtr mGetter;
328 SetterPtr mSetter;
329 ValuePtr mCollapser;
330 ValuePtr mFiller;
331 }; // struct AttributeArray::Accessor
332
333
335
336
337 namespace attribute_traits
338 {
339 template <typename T> struct TruncateTrait { };
340 template <> struct TruncateTrait<float> { using Type = half; };
341 template <> struct TruncateTrait<int> { using Type = short; };
342
343 template <typename T> struct TruncateTrait<math::Vec3<T>> {
344 using Type = math::Vec3<typename TruncateTrait<T>::Type>;
345 };
346
347 template <bool OneByte, typename T> struct UIntTypeTrait { };
348 template<typename T> struct UIntTypeTrait</*OneByte=*/true, T> { using Type = uint8_t; };
349 template<typename T> struct UIntTypeTrait</*OneByte=*/false, T> { using Type = uint16_t; };
350 template<typename T> struct UIntTypeTrait</*OneByte=*/true, math::Vec3<T>> {
351 using Type = math::Vec3<uint8_t>;
352 };
353 template<typename T> struct UIntTypeTrait</*OneByte=*/false, math::Vec3<T>> {
354 using Type = math::Vec3<uint16_t>;
355 };
356 }
357
358
360
361
362 // Attribute codec schemes
363
364 struct UnknownCodec { };
365
366
367 struct NullCodec
368 {
369 template <typename T>
370 struct Storage { using Type = T; };
371
372 template<typename ValueType> static void decode(const ValueType&, ValueType&);
373 template<typename ValueType> static void encode(const ValueType&, ValueType&);
374 static const char* name() { return "null"; }
375 };
376
377
378 struct TruncateCodec
379 {
380 template <typename T>
381 struct Storage { using Type = typename attribute_traits::TruncateTrait<T>::Type; };
382
383 template<typename StorageType, typename ValueType> static void decode(const StorageType&, ValueType&);
384 template<typename StorageType, typename ValueType> static void encode(const ValueType&, StorageType&);
385 static const char* name() { return "trnc"; }
386 };
387
388
389 // Fixed-point codec range for voxel-space positions [-0.5,0.5]
390 struct PositionRange
391 {
392 static const char* name() { return "fxpt"; }
393 template <typename ValueType> static ValueType encode(const ValueType& value) { return value + ValueType(0.5); }
394 template <typename ValueType> static ValueType decode(const ValueType& value) { return value - ValueType(0.5); }
395 };
396
397
398 // Fixed-point codec range for unsigned values in the unit range [0.0,1.0]
399 struct UnitRange
400 {
401 static const char* name() { return "ufxpt"; }
402 template <typename ValueType> static ValueType encode(const ValueType& value) { return value; }
403 template <typename ValueType> static ValueType decode(const ValueType& value) { return value; }
404 };
405
406
407 template <bool OneByte, typename Range=PositionRange>
408 struct FixedPointCodec
409 {
410 template <typename T>
411 struct Storage { using Type = typename attribute_traits::UIntTypeTrait<OneByte, T>::Type; };
412
413 template<typename StorageType, typename ValueType> static void decode(const StorageType&, ValueType&);
414 template<typename StorageType, typename ValueType> static void encode(const ValueType&, StorageType&);
415
416 static const char* name() {
417 static const std::string Name = std::string(Range::name()) + (OneByte ? "8" : "16");
418 return Name.c_str();
419 }
420 };
421
422
423 struct UnitVecCodec
424 {
425 using StorageType = uint16_t;
426
427 template <typename T>
428 struct Storage { using Type = StorageType; };
429
430 template<typename T> static void decode(const StorageType&, math::Vec3<T>&);
431 template<typename T> static void encode(const math::Vec3<T>&, StorageType&);
432 static const char* name() { return "uvec"; }
433 };
434
435
437
438
440 template<typename ValueType_, typename Codec_ = NullCodec>
441 class TypedAttributeArray: public AttributeArray
442 {
443 public:
444 using Ptr = std::shared_ptr<TypedAttributeArray>;
445 using ConstPtr = std::shared_ptr<const TypedAttributeArray>;
446
447 using ValueType = ValueType_;
448 using Codec = Codec_;
449 using StorageType = typename Codec::template Storage<ValueType>::Type;
450
452
454 explicit TypedAttributeArray(Index n = 1, Index strideOrTotalSize = 1, bool constantStride = true,
455 const ValueType& uniformValue = zeroVal<ValueType>());
457 TypedAttributeArray(const TypedAttributeArray&, bool uncompress = false);
459 TypedAttributeArray& operator=(const TypedAttributeArray&);
461 TypedAttributeArray(TypedAttributeArray&&) = delete;
463 TypedAttributeArray& operator=(TypedAttributeArray&&) = delete;
464
465 virtual ~TypedAttributeArray() { this->deallocate(); }
466
468 AttributeArray::Ptr copy() const override;
469
471 AttributeArray::Ptr copyUncompressed() const override;
472
474 static Ptr create(Index n, Index strideOrTotalSize = 1, bool constantStride = true);
475
477 static TypedAttributeArray& cast(AttributeArray& attributeArray);
478
480 static const TypedAttributeArray& cast(const AttributeArray& attributeArray);
481
483 static const NamePair& attributeType();
485 const NamePair& type() const override { return attributeType(); }
486
488 static bool isRegistered();
490 static void registerType();
492 static void unregisterType();
493
495 Index size() const override { return mSize; }
496
499 Index stride() const override { return hasConstantStride() ? mStrideOrTotalSize : 0; }
500
502 Index dataSize() const override {
503 return hasConstantStride() ? mSize * mStrideOrTotalSize : mStrideOrTotalSize;
504 }
505
507 size_t memUsage() const override;
508
510 ValueType getUnsafe(Index n) const;
512 ValueType get(Index n) const;
514 template<typename T> void getUnsafe(Index n, T& value) const;
516 template<typename T> void get(Index n, T& value) const;
517
520 static ValueType getUnsafe(const AttributeArray* array, const Index n);
521
523 void setUnsafe(Index n, const ValueType& value);
525 void set(Index n, const ValueType& value);
527 template<typename T> void setUnsafe(Index n, const T& value);
529 template<typename T> void set(Index n, const T& value);
530
533 static void setUnsafe(AttributeArray* array, const Index n, const ValueType& value);
534
536 void set(const Index n, const AttributeArray& sourceArray, const Index sourceIndex) override;
537
539 bool isUniform() const override { return mIsUniform; }
543 void expand(bool fill = true) override;
545 void collapse() override;
547 bool compact() override;
548
550 void collapse(const ValueType& uniformValue);
553 void fill(const ValueType& value);
554
556 static void collapse(AttributeArray* array, const ValueType& value);
558 static void fill(AttributeArray* array, const ValueType& value);
559
561 bool compress() override;
563 bool decompress() override;
564
566 void read(std::istream&) override;
570 void write(std::ostream& os, bool outputTransient) const override;
572 void write(std::ostream&) const override;
573
575 void readMetadata(std::istream&) override;
580 void writeMetadata(std::ostream& os, bool outputTransient, bool paged) const override;
581
583 void readBuffers(std::istream&) override;
587 void writeBuffers(std::ostream& os, bool outputTransient) const override;
588
590 void readPagedBuffers(compression::PagedInputStream&) override;
594 void writePagedBuffers(compression::PagedOutputStream& os, bool outputTransient) const override;
595
597 inline bool isOutOfCore() const;
598
600 void loadData() const override;
601
602 protected:
603 AccessorBasePtr getAccessor() const override;
604
605 private:
607 inline void doLoad() const;
610 inline void doLoadUnsafe(const bool compression = true) const;
612 inline bool compressUnsafe();
613
615 inline void setOutOfCore(const bool);
616
618 bool isEqual(const AttributeArray& other) const override;
619
620 size_t arrayMemUsage() const;
621 void allocate();
622 void deallocate();
623
625 static AttributeArray::Ptr factory(Index n, Index strideOrTotalSize, bool constantStride) {
626 return TypedAttributeArray::create(n, strideOrTotalSize, constantStride);
627 }
628
629 static tbb::atomic<const NamePair*> sTypeName;
630 std::unique_ptr<StorageType[]> mData;
631 Index mSize;
632 Index mStrideOrTotalSize;
633 bool mIsUniform = false;
634 tbb::spin_mutex mMutex;
635 }; // class TypedAttributeArray
636
637
639
640
643 template <typename ValueType, typename CodecType = UnknownCodec>
644 class AttributeHandle
645 {
646 public:
647 using Handle = AttributeHandle<ValueType, CodecType>;
648 using Ptr = std::shared_ptr<Handle>;
649 using UniquePtr = std::unique_ptr<Handle>;
650
651 protected:
652 using GetterPtr = ValueType (*)(const AttributeArray* array, const Index n);
653 using SetterPtr = void (*)(AttributeArray* array, const Index n, const ValueType& value);
654 using ValuePtr = void (*)(AttributeArray* array, const ValueType& value);
655
656 public:
657 static Ptr create(const AttributeArray& array, const bool preserveCompression = true);
658
659 AttributeHandle(const AttributeArray& array, const bool preserveCompression = true);
660
661 AttributeHandle(const AttributeHandle&) = default;
662 AttributeHandle& operator=(const AttributeHandle&) = default;
663
664 virtual ~AttributeHandle();
665
666 Index stride() const { return mStrideOrTotalSize; }
667 Index size() const { return mSize; }
668
669 bool isUniform() const;
670 bool hasConstantStride() const;
671
672 ValueType get(Index n, Index m = 0) const;
673
674 const AttributeArray& array() const;
675
676 protected:
677 Index index(Index n, Index m) const;
678
679 const AttributeArray* mArray;
680
681 GetterPtr mGetter;
682 SetterPtr mSetter;
683 ValuePtr mCollapser;
684 ValuePtr mFiller;
685
686 private:
687 friend class ::TestAttributeArray;
688
689 template <bool IsUnknownCodec>
690 typename std::enable_if<IsUnknownCodec, bool>::type compatibleType() const;
691
692 template <bool IsUnknownCodec>
693 typename std::enable_if<!IsUnknownCodec, bool>::type compatibleType() const;
694
695 template <bool IsUnknownCodec>
696 typename std::enable_if<IsUnknownCodec, ValueType>::type get(Index index) const;
697
698 template <bool IsUnknownCodec>
699 typename std::enable_if<!IsUnknownCodec, ValueType>::type get(Index index) const;
700
701 // local copy of AttributeArray (to preserve compression)
702 AttributeArray::Ptr mLocalArray;
703
704 Index mStrideOrTotalSize;
705 Index mSize;
706 bool mCollapseOnDestruction;
707 }; // class AttributeHandle
708
709
711
712
714 template <typename ValueType, typename CodecType = UnknownCodec>
715 class AttributeWriteHandle : public AttributeHandle<ValueType, CodecType>
716 {
717 public:
718 using Handle = AttributeWriteHandle<ValueType, CodecType>;
719 using Ptr = std::shared_ptr<Handle>;
720 using ScopedPtr = std::unique_ptr<Handle>;
721
722 static Ptr create(AttributeArray& array, const bool expand = true);
723
724 AttributeWriteHandle(AttributeArray& array, const bool expand = true);
725
726 virtual ~AttributeWriteHandle() = default;
727
730 void expand(bool fill = true);
731
733 void collapse();
734 void collapse(const ValueType& uniformValue);
735
737 bool compact();
738
741 void fill(const ValueType& value);
742
743 void set(Index n, const ValueType& value);
744 void set(Index n, Index m, const ValueType& value);
745
746 AttributeArray& array();
747
748 private:
749 friend class ::TestAttributeArray;
750
751 template <bool IsUnknownCodec>
752 typename std::enable_if<IsUnknownCodec, void>::type set(Index index, const ValueType& value) const;
753
754 template <bool IsUnknownCodec>
755 typename std::enable_if<!IsUnknownCodec, void>::type set(Index index, const ValueType& value) const;
756 }; // class AttributeWriteHandle
757
758
760
761
762 // Attribute codec implementation
763
764
765 template<typename ValueType>
766 inline void
767 NullCodec::decode(const ValueType& data, ValueType& val)
768 {
769 val = data;
770 }
771
772
773 template<typename ValueType>
774 inline void
775 NullCodec::encode(const ValueType& val, ValueType& data)
776 {
777 data = val;
778 }
779
780
781 template<typename StorageType, typename ValueType>
782 inline void
783 TruncateCodec::decode(const StorageType& data, ValueType& val)
784 {
785 val = static_cast<ValueType>(data);
786 }
787
788
789 template<typename StorageType, typename ValueType>
790 inline void
791 TruncateCodec::encode(const ValueType& val, StorageType& data)
792 {
793 data = static_cast<StorageType>(val);
794 }
795
796
797 template <bool OneByte, typename Range>
798 template<typename StorageType, typename ValueType>
799 inline void
800 FixedPointCodec<OneByte, Range>::decode(const StorageType& data, ValueType& val)
801 {
802 val = fixedPointToFloatingPoint<ValueType>(data);
803
804 // shift value range to be -0.5 => 0.5 (as this is most commonly used for position)
805
806 val = Range::template decode<ValueType>(val);
807 }
808
809
810 template <bool OneByte, typename Range>
811 template<typename StorageType, typename ValueType>
812 inline void
813 FixedPointCodec<OneByte, Range>::encode(const ValueType& val, StorageType& data)
814 {
815 // shift value range to be -0.5 => 0.5 (as this is most commonly used for position)
816
817 const ValueType newVal = Range::template encode<ValueType>(val);
818
819 data = floatingPointToFixedPoint<StorageType>(newVal);
820 }
821
822
823 template<typename T>
824 inline void
825 UnitVecCodec::decode(const StorageType& data, math::Vec3<T>& val)
826 {
827 val = math::QuantizedUnitVec::unpack(data);
828 }
829
830
831 template<typename T>
832 inline void
833 UnitVecCodec::encode(const math::Vec3<T>& val, StorageType& data)
834 {
835 data = math::QuantizedUnitVec::pack(val);
836 }
837
838
840
841 // TypedAttributeArray implementation
842
843 template<typename ValueType_, typename Codec_>
844 tbb::atomic<const NamePair*> TypedAttributeArray<ValueType_, Codec_>::sTypeName;
845
846
847 template<typename ValueType_, typename Codec_>
848 TypedAttributeArray<ValueType_, Codec_>::TypedAttributeArray(
849 Index n, Index strideOrTotalSize, bool constantStride, const ValueType& uniformValue)
850 : mData(new StorageType[1])
851 , mSize(n)
852 , mStrideOrTotalSize(strideOrTotalSize)
853 , mIsUniform(true)
854 {
855 if (constantStride) {
856 this->setConstantStride(true);
857 if (strideOrTotalSize == 0) {
858 OPENVDB_THROW(ValueError, "Creating a TypedAttributeArray with a constant stride requires that " \
859 "stride to be at least one.")
860 }
861 }
862 else {
863 this->setConstantStride(false);
864 if (mStrideOrTotalSize < n) {
865 OPENVDB_THROW(ValueError, "Creating a TypedAttributeArray with a non-constant stride must have " \
866 "a total size of at least the number of elements in the array.")
867 }
868 }
869 mSize = std::max(Index(1), mSize);
870 mStrideOrTotalSize = std::max(Index(1), mStrideOrTotalSize);
871 Codec::encode(uniformValue, mData.get()[0]);
872 }
873
874
875 template<typename ValueType_, typename Codec_>
876 TypedAttributeArray<ValueType_, Codec_>::TypedAttributeArray(const TypedAttributeArray& rhs, bool uncompress)
877 : AttributeArray(rhs)
878 , mSize(rhs.mSize)
879 , mStrideOrTotalSize(rhs.mStrideOrTotalSize)
880 , mIsUniform(rhs.mIsUniform)
881 {
882 // disable uncompress if data is not compressed
883
884 if (!this->isCompressed()) uncompress = false;
885
886 if (this->isOutOfCore()) {
887 // do nothing
888 } else if (mIsUniform) {
889 this->allocate();
890 mData.get()[0] = rhs.mData.get()[0];
891 } else if (this->isCompressed()) {
892 std::unique_ptr<char[]> buffer;
893 if (uncompress) {
894 const char* charBuffer = reinterpret_cast<const char*>(rhs.mData.get());
895 size_t uncompressedBytes = compression::bloscUncompressedSize(charBuffer);
896 buffer = compression::bloscDecompress(charBuffer, uncompressedBytes);
897 }
898 if (buffer) {
899 mCompressedBytes = 0;
900 } else {
901 // decompression wasn't requested or failed so deep copy instead
902 buffer.reset(new char[mCompressedBytes]);
903 std::memcpy(buffer.get(), rhs.mData.get(), mCompressedBytes);
904 }
905 assert(buffer);
906 mData.reset(reinterpret_cast<StorageType*>(buffer.release()));
907 } else {
908 this->allocate();
909 std::memcpy(mData.get(), rhs.mData.get(), this->arrayMemUsage());
910 }
911 }
912
913
914 template<typename ValueType_, typename Codec_>
915 TypedAttributeArray<ValueType_, Codec_>&
916 TypedAttributeArray<ValueType_, Codec_>::operator=(const TypedAttributeArray& rhs)
917 {
918 if (&rhs != this) {
919 tbb::spin_mutex::scoped_lock lock(mMutex);
920
921 this->deallocate();
922
923 mFlags = rhs.mFlags;
924 mSerializationFlags = rhs.mSerializationFlags;
925 mCompressedBytes = rhs.mCompressedBytes;
926 mSize = rhs.mSize;
927 mStrideOrTotalSize = rhs.mStrideOrTotalSize;
928 mIsUniform = rhs.mIsUniform;
929
930 if (rhs.isOutOfCore()) {
931 mPageHandle = rhs.mPageHandle;
932 } else if (mIsUniform) {
933 this->allocate();
934 mData.get()[0] = rhs.mData.get()[0];
935 } else if (this->isCompressed()) {
936 std::unique_ptr<char[]> buffer(new char[mCompressedBytes]);
937 std::memcpy(buffer.get(), rhs.mData.get(), mCompressedBytes);
938 mData.reset(reinterpret_cast<StorageType*>(buffer.release()));
939 } else {
940 this->allocate();
941 std::memcpy(mData.get(), rhs.mData.get(), arrayMemUsage());
942 }
943 }
944 }
945
946
947 template<typename ValueType_, typename Codec_>
948 inline const NamePair&
949 TypedAttributeArray<ValueType_, Codec_>::attributeType()
950 {
951 if (sTypeName == nullptr) {
952 NamePair* s = new NamePair(typeNameAsString<ValueType>(), Codec::name());
953 if (sTypeName.compare_and_swap(s, nullptr) != nullptr) delete s;
954 }
955 return *sTypeName;
956 }
957
958
959 template<typename ValueType_, typename Codec_>
960 inline bool
961 TypedAttributeArray<ValueType_, Codec_>::isRegistered()
962 {
963 return AttributeArray::isRegistered(TypedAttributeArray::attributeType());
964 }
965
966
967 template<typename ValueType_, typename Codec_>
968 inline void
969 TypedAttributeArray<ValueType_, Codec_>::registerType()
970 {
971 AttributeArray::registerType(TypedAttributeArray::attributeType(), TypedAttributeArray::factory);
972 }
973
974
975 template<typename ValueType_, typename Codec_>
976 inline void
977 TypedAttributeArray<ValueType_, Codec_>::unregisterType()
978 {
979 AttributeArray::unregisterType(TypedAttributeArray::attributeType());
980 }
981
982
983 template<typename ValueType_, typename Codec_>
984 inline typename TypedAttributeArray<ValueType_, Codec_>::Ptr
985 TypedAttributeArray<ValueType_, Codec_>::create(Index n, Index stride, bool constantStride)
986 {
987 return Ptr(new TypedAttributeArray(n, stride, constantStride));
988 }
989
990 template<typename ValueType_, typename Codec_>
991 inline TypedAttributeArray<ValueType_, Codec_>&
992 TypedAttributeArray<ValueType_, Codec_>::cast(AttributeArray& attributeArray)
993 {
994 if (!attributeArray.isType<TypedAttributeArray>()) {
995 OPENVDB_THROW(TypeError, "Invalid Attribute Type");
996 }
997 return static_cast<TypedAttributeArray&>(attributeArray);
998 }
999
1000 template<typename ValueType_, typename Codec_>
1001 inline const TypedAttributeArray<ValueType_, Codec_>&
1002 TypedAttributeArray<ValueType_, Codec_>::cast(const AttributeArray& attributeArray)
1003 {
1004 if (!attributeArray.isType<TypedAttributeArray>()) {
1005 OPENVDB_THROW(TypeError, "Invalid Attribute Type");
1006 }
1007 return static_cast<const TypedAttributeArray&>(attributeArray);
1008 }
1009
1010 template<typename ValueType_, typename Codec_>
1011 AttributeArray::Ptr
1012 TypedAttributeArray<ValueType_, Codec_>::copy() const
1013 {
1014 return AttributeArray::Ptr(new TypedAttributeArray<ValueType, Codec>(*this));
1015 }
1016
1017
1018 template<typename ValueType_, typename Codec_>
1019 AttributeArray::Ptr
1020 TypedAttributeArray<ValueType_, Codec_>::copyUncompressed() const
1021 {
1022 return AttributeArray::Ptr(new TypedAttributeArray<ValueType, Codec>(*this, /*decompress = */true));
1023 }
1024
1025
1026 template<typename ValueType_, typename Codec_>
1027 size_t
1028 TypedAttributeArray<ValueType_, Codec_>::arrayMemUsage() const
1029 {
1030 if (this->isOutOfCore()) return 0;
1031 if (this->isCompressed()) return mCompressedBytes;
1032
1033 return (mIsUniform ? 1 : this->dataSize()) * sizeof(StorageType);
1034 }
1035
1036
1037 template<typename ValueType_, typename Codec_>
1038 void
1039 TypedAttributeArray<ValueType_, Codec_>::allocate()
1040 {
1041 assert(!mData);
1042 if (mIsUniform) {
1043 mData.reset(new StorageType[1]);
1044 }
1045 else {
1046 const size_t size(this->dataSize());
1047 assert(size > 0);
1048 mData.reset(new StorageType[size]);
1049 }
1050 }
1051
1052
1053 template<typename ValueType_, typename Codec_>
1054 void
1055 TypedAttributeArray<ValueType_, Codec_>::deallocate()
1056 {
1057 // detach from file if delay-loaded
1058 if (this->isOutOfCore()) {
1059 this->setOutOfCore(false);
1060 this->mPageHandle.reset();
1061 }
1062 if (mData) mData.reset();
1063 }
1064
1065
1066 template<typename ValueType_, typename Codec_>
1067 size_t
1068 TypedAttributeArray<ValueType_, Codec_>::memUsage() const
1069 {
1070 return sizeof(*this) + (bool(mData) ? this->arrayMemUsage() : 0);
1071 }
1072
1073
1074 template<typename ValueType_, typename Codec_>
1075 typename TypedAttributeArray<ValueType_, Codec_>::ValueType
1076 TypedAttributeArray<ValueType_, Codec_>::getUnsafe(Index n) const
1077 {
1078 assert(n < this->dataSize());
1079 assert(!this->isOutOfCore());
1080 assert(!this->isCompressed());
1081
1082 ValueType val;
1083 Codec::decode(/*in=*/mData.get()[mIsUniform ? 0 : n], /*out=*/val);
1084 return val;
1085 }
1086
1087
1088 template<typename ValueType_, typename Codec_>
1089 typename TypedAttributeArray<ValueType_, Codec_>::ValueType
1090 TypedAttributeArray<ValueType_, Codec_>::get(Index n) const
1091 {
1092 if (n >= this->dataSize()) OPENVDB_THROW(IndexError, "Out-of-range access.");
1093 if (this->isOutOfCore()) this->doLoad();
1094 if (this->isCompressed()) const_cast<TypedAttributeArray*>(this)->decompress();
1095
1096 return this->getUnsafe(n);
1097 }
1098
1099
1100 template<typename ValueType_, typename Codec_>
1101 template<typename T>
1102 void
1103 TypedAttributeArray<ValueType_, Codec_>::getUnsafe(Index n, T& val) const
1104 {
1105 val = static_cast<T>(this->getUnsafe(n));
1106 }
1107
1108
1109 template<typename ValueType_, typename Codec_>
1110 template<typename T>
1111 void
1112 TypedAttributeArray<ValueType_, Codec_>::get(Index n, T& val) const
1113 {
1114 val = static_cast<T>(this->get(n));
1115 }
1116
1117
1118 template<typename ValueType_, typename Codec_>
1119 typename TypedAttributeArray<ValueType_, Codec_>::ValueType
1120 TypedAttributeArray<ValueType_, Codec_>::getUnsafe(const AttributeArray* array, const Index n)
1121 {
1122 return static_cast<const TypedAttributeArray<ValueType, Codec>*>(array)->getUnsafe(n);
1123 }
1124
1125
1126 template<typename ValueType_, typename Codec_>
1127 void
1128 TypedAttributeArray<ValueType_, Codec_>::setUnsafe(Index n, const ValueType& val)
1129 {
1130 assert(n < this->dataSize());
1131 assert(!this->isOutOfCore());
1132 assert(!this->isCompressed());
1133 assert(!this->isUniform());
1134
1135 // this unsafe method assumes the data is not uniform, however if it is, this redirects the index
1136 // to zero, which is marginally less efficient but ensures not writing to an illegal address
1137
1138 Codec::encode(/*in=*/val, /*out=*/mData.get()[mIsUniform ? 0 : n]);
1139 }
1140
1141
1142 template<typename ValueType_, typename Codec_>
1143 void
1144 TypedAttributeArray<ValueType_, Codec_>::set(Index n, const ValueType& val)
1145 {
1146 if (n >= this->dataSize()) OPENVDB_THROW(IndexError, "Out-of-range access.");
1147 if (this->isOutOfCore()) this->doLoad();
1148 if (this->isCompressed()) this->decompress();
1149 if (this->isUniform()) this->expand();
1150
1151 this->setUnsafe(n, val);
1152 }
1153
1154
1155 template<typename ValueType_, typename Codec_>
1156 template<typename T>
1157 void
1158 TypedAttributeArray<ValueType_, Codec_>::setUnsafe(Index n, const T& val)
1159 {
1160 this->setUnsafe(n, static_cast<ValueType>(val));
1161 }
1162
1163
1164 template<typename ValueType_, typename Codec_>
1165 template<typename T>
1166 void
1167 TypedAttributeArray<ValueType_, Codec_>::set(Index n, const T& val)
1168 {
1169 this->set(n, static_cast<ValueType>(val));
1170 }
1171
1172
1173 template<typename ValueType_, typename Codec_>
1174 void
1175 TypedAttributeArray<ValueType_, Codec_>::setUnsafe(AttributeArray* array, const Index n, const ValueType& value)
1176 {
1177 static_cast<TypedAttributeArray<ValueType, Codec>*>(array)->setUnsafe(n, value);
1178 }
1179
1180
1181 template<typename ValueType_, typename Codec_>
1182 void
1183 TypedAttributeArray<ValueType_, Codec_>::set(Index n, const AttributeArray& sourceArray, const Index sourceIndex)
1184 {
1185 const TypedAttributeArray& sourceTypedArray = static_cast<const TypedAttributeArray&>(sourceArray);
1186
1187 ValueType sourceValue;
1188 sourceTypedArray.get(sourceIndex, sourceValue);
1189
1190 this->set(n, sourceValue);
1191 }
1192
1193
1194 template<typename ValueType_, typename Codec_>
1195 void
1196 TypedAttributeArray<ValueType_, Codec_>::expand(bool fill)
1197 {
1198 if (!mIsUniform) return;
1199
1200 const StorageType val = mData.get()[0];
1201
1202 {
1203 tbb::spin_mutex::scoped_lock lock(mMutex);
1204 this->deallocate();
1205 mIsUniform = false;
1206 this->allocate();
1207 }
1208
1209 mCompressedBytes = 0;
1210
1211 if (fill) {
1212 for (Index i = 0; i < this->dataSize(); ++i) mData.get()[i] = val;
1213 }
1214 }
1215
1216
1217 template<typename ValueType_, typename Codec_>
1218 bool
1219 TypedAttributeArray<ValueType_, Codec_>::compact()
1220 {
1221 if (mIsUniform) return true;
1222
1223 // compaction is not possible if any values are different
1224 const ValueType_ val = this->get(0);
1225 for (Index i = 1; i < this->dataSize(); i++) {
1226 if (!math::isExactlyEqual(this->get(i), val)) return false;
1227 }
1228
1229 this->collapse(this->get(0));
1230 return true;
1231 }
1232
1233
1234 template<typename ValueType_, typename Codec_>
1235 void
1236 TypedAttributeArray<ValueType_, Codec_>::collapse()
1237 {
1238 this->collapse(zeroVal<ValueType>());
1239 }
1240
1241
1242 template<typename ValueType_, typename Codec_>
1243 void
1244 TypedAttributeArray<ValueType_, Codec_>::collapse(const ValueType& uniformValue)
1245 {
1246 if (!mIsUniform) {
1247 tbb::spin_mutex::scoped_lock lock(mMutex);
1248 this->deallocate();
1249 mIsUniform = true;
1250 this->allocate();
1251 }
1252 Codec::encode(uniformValue, mData.get()[0]);
1253 }
1254
1255
1256 template<typename ValueType_, typename Codec_>
1257 void
1258 TypedAttributeArray<ValueType_, Codec_>::collapse(AttributeArray* array, const ValueType& value)
1259 {
1260 static_cast<TypedAttributeArray<ValueType, Codec>*>(array)->collapse(value);
1261 }
1262
1263
1264 template<typename ValueType_, typename Codec_>
1265 void
1266 TypedAttributeArray<ValueType_, Codec_>::fill(const ValueType& value)
1267 {
1268 if (this->isOutOfCore()) {
1269 tbb::spin_mutex::scoped_lock lock(mMutex);
1270 this->deallocate();
1271 this->allocate();
1272 }
1273
1274 const Index size = mIsUniform ? 1 : this->dataSize();
1275 for (Index i = 0; i < size; ++i) {
1276 Codec::encode(value, mData.get()[i]);
1277 }
1278 }
1279
1280
1281 template<typename ValueType_, typename Codec_>
1282 void
1283 TypedAttributeArray<ValueType_, Codec_>::fill(AttributeArray* array, const ValueType& value)
1284 {
1285 static_cast<TypedAttributeArray<ValueType, Codec>*>(array)->fill(value);
1286 }
1287
1288
1289 template<typename ValueType_, typename Codec_>
1290 inline bool
1291 TypedAttributeArray<ValueType_, Codec_>::compress()
1292 {
1293 if (!compression::bloscCanCompress()) return false;
1294
1295 if (!mIsUniform && !this->isCompressed()) {
1296
1297 tbb::spin_mutex::scoped_lock lock(mMutex);
1298
1299 this->doLoadUnsafe(/*compression=*/false);
1300
1301 if (this->isCompressed()) return true;
1302
1303 return this->compressUnsafe();
1304 }
1305
1306 return false;
1307 }
1308
1309
1310 template<typename ValueType_, typename Codec_>
1311 inline bool
1312 TypedAttributeArray<ValueType_, Codec_>::compressUnsafe()
1313 {
1314 if (!compression::bloscCanCompress()) return false;
1315 if (mIsUniform) return false;
1316
1317 // assumes mutex is locked and data is not out-of-core
1318
1319 const bool writeCompress = (mSerializationFlags & WRITEMEMCOMPRESS);
1320 const size_t inBytes = writeCompress ? mCompressedBytes : this->arrayMemUsage();
1321
1322 if (inBytes > 0) {
1323 size_t outBytes;
1324 const char* charBuffer = reinterpret_cast<const char*>(mData.get());
1325 std::unique_ptr<char[]> buffer = compression::bloscCompress(charBuffer, inBytes, outBytes);
1326 if (buffer) {
1327 mData.reset(reinterpret_cast<StorageType*>(buffer.release()));
1328 mCompressedBytes = outBytes;
1329 return true;
1330 }
1331 }
1332
1333 return false;
1334 }
1335
1336
1337 template<typename ValueType_, typename Codec_>
1338 inline bool
1339 TypedAttributeArray<ValueType_, Codec_>::decompress()
1340 {
1341 tbb::spin_mutex::scoped_lock lock(mMutex);
1342
1343 const bool writeCompress = (mSerializationFlags & WRITEMEMCOMPRESS);
1344
1345 if (writeCompress) {
1346 this->doLoadUnsafe(/*compression=*/false);
1347 return true;
1348 }
1349
1350 if (this->isCompressed()) {
1351 this->doLoadUnsafe();
1352 const char* charBuffer = reinterpret_cast<const char*>(this->mData.get());
1353 size_t uncompressedBytes = compression::bloscUncompressedSize(charBuffer);
1354 std::unique_ptr<char[]> buffer = compression::bloscDecompress(charBuffer, uncompressedBytes);
1355 if (buffer) {
1356 mData.reset(reinterpret_cast<StorageType*>(buffer.release()));
1357 mCompressedBytes = 0;
1358 return true;
1359 }
1360 }
1361
1362 return false;
1363 }
1364
1365
1366 template<typename ValueType_, typename Codec_>
1367 bool
1368 TypedAttributeArray<ValueType_, Codec_>::isOutOfCore() const
1369 {
1370 #if OPENVDB_ABI_VERSION_NUMBER >= 5
1371 return mOutOfCore;
1372 #else
1373 return (mFlags & OUTOFCORE);
1374 #endif
1375 }
1376
1377
1378 template<typename ValueType_, typename Codec_>
1379 void
1380 TypedAttributeArray<ValueType_, Codec_>::setOutOfCore(const bool b)
1381 {
1382 #if OPENVDB_ABI_VERSION_NUMBER >= 5
1383 mOutOfCore = b;
1384 #else
1385 if (b) mFlags = static_cast<uint8_t>(mFlags | OUTOFCORE);
1386 else mFlags = static_cast<uint8_t>(mFlags & ~OUTOFCORE);
1387 #endif
1388 }
1389
1390
1391 template<typename ValueType_, typename Codec_>
1392 void
1393 TypedAttributeArray<ValueType_, Codec_>::doLoad() const
1394 {
1395 if (!(this->isOutOfCore())) return;
1396
1397 TypedAttributeArray<ValueType_, Codec_>* self =
1398 const_cast<TypedAttributeArray<ValueType_, Codec_>*>(this);
1399
1400 // This lock will be contended at most once, after which this buffer
1401 // will no longer be out-of-core.
1402 tbb::spin_mutex::scoped_lock lock(self->mMutex);
1403 this->doLoadUnsafe();
1404 }
1405
1406
1407 template<typename ValueType_, typename Codec_>
1408 void
1409 TypedAttributeArray<ValueType_, Codec_>::loadData() const
1410 {
1411 this->doLoad();
1412 }
1413
1414
1415 template<typename ValueType_, typename Codec_>
1416 void
1417 TypedAttributeArray<ValueType_, Codec_>::read(std::istream& is)
1418 {
1419 this->readMetadata(is);
1420 this->readBuffers(is);
1421 }
1422
1423
1424 template<typename ValueType_, typename Codec_>
1425 void
1426 TypedAttributeArray<ValueType_, Codec_>::readMetadata(std::istream& is)
1427 {
1428 // read data
1429
1430 Index64 bytes = Index64(0);
1431 is.read(reinterpret_cast<char*>(&bytes), sizeof(Index64));
1432 bytes = bytes - /*flags*/sizeof(Int16) - /*size*/sizeof(Index);
1433
1434 uint8_t flags = uint8_t(0);
1435 is.read(reinterpret_cast<char*>(&flags), sizeof(uint8_t));
1436 mFlags = flags;
1437
1438 uint8_t serializationFlags = uint8_t(0);
1439 is.read(reinterpret_cast<char*>(&serializationFlags), sizeof(uint8_t));
1440 mSerializationFlags = serializationFlags;
1441
1442 Index size = Index(0);
1443 is.read(reinterpret_cast<char*>(&size), sizeof(Index));
1444 mSize = size;
1445
1446 // warn if an unknown flag has been set
1447 if (mFlags >= 0x20) {
1448 OPENVDB_LOG_WARN("Unknown attribute flags for VDB file format.");
1449 }
1450 // error if an unknown serialization flag has been set,
1451 // as this will adjust the layout of the data and corrupt the ability to read
1452 if (mSerializationFlags >= 0x10) {
1453 OPENVDB_THROW(IoError, "Unknown attribute serialization flags for VDB file format.");
1454 }
1455
1456 // read uniform and compressed state
1457
1458 mIsUniform = mSerializationFlags & WRITEUNIFORM;
1459 mCompressedBytes = bytes;
1460
1461 // read strided value (set to 1 if array is not strided)
1462
1463 if (mSerializationFlags & WRITESTRIDED) {
1464 Index stride = Index(0);
1465 is.read(reinterpret_cast<char*>(&stride), sizeof(Index));
1466 mStrideOrTotalSize = stride;
1467 }
1468 else {
1469 mStrideOrTotalSize = 1;
1470 }
1471 }
1472
1473
1474 template<typename ValueType_, typename Codec_>
1475 void
1476 TypedAttributeArray<ValueType_, Codec_>::readBuffers(std::istream& is)
1477 {
1478 if ((mSerializationFlags & WRITEPAGED)) {
1479 // use readBuffers(PagedInputStream&) for paged buffers
1480 OPENVDB_THROW(IoError, "Cannot read paged AttributeArray buffers.");
1481 }
1482
1483 tbb::spin_mutex::scoped_lock lock(mMutex);
1484
1485 this->deallocate();
1486
1487 uint8_t bloscCompressed(0);
1488 if (!mIsUniform) is.read(reinterpret_cast<char*>(&bloscCompressed), sizeof(uint8_t));
1489
1490 std::unique_ptr<char[]> buffer(new char[mCompressedBytes]);
1491 is.read(buffer.get(), mCompressedBytes);
1492
1493 if (mIsUniform) {
1494 // zero compressed bytes as uniform values are not compressed in memory
1495 mCompressedBytes = Index64(0);
1496 }
1497 else if (!(mSerializationFlags & WRITEMEMCOMPRESS)) {
1498 // zero compressed bytes if not compressed in memory
1499 mCompressedBytes = Index64(0);
1500 }
1501
1502 // compressed on-disk
1503
1504 if (bloscCompressed == uint8_t(1)) {
1505
1506 // decompress buffer
1507
1508 const size_t inBytes = this->dataSize() * sizeof(StorageType);
1509 std::unique_ptr<char[]> newBuffer = compression::bloscDecompress(buffer.get(), inBytes);
1510 if (newBuffer) buffer.reset(newBuffer.release());
1511 }
1512
1513 // set data to buffer
1514
1515 mData.reset(reinterpret_cast<StorageType*>(buffer.release()));
1516
1517 // clear all write flags
1518
1519 if (mIsUniform) mSerializationFlags &= uint8_t(~WRITEUNIFORM & ~WRITEMEMCOMPRESS & ~WRITEPAGED);
1520 else mSerializationFlags &= uint8_t(~WRITEUNIFORM & ~WRITEPAGED);
1521 }
1522
1523
1524 template<typename ValueType_, typename Codec_>
1525 void
1526 TypedAttributeArray<ValueType_, Codec_>::readPagedBuffers(compression::PagedInputStream& is)
1527 {
1528 if (!(mSerializationFlags & WRITEPAGED)) {
1529 if (!is.sizeOnly()) this->readBuffers(is.getInputStream());
1530 return;
1531 }
1532
1533 // If this array is being read from a memory-mapped file, delay loading of its data
1534 // until the data is actually accessed.
1535 io::MappedFile::Ptr mappedFile = io::getMappedFilePtr(is.getInputStream());
1536 const bool delayLoad = (mappedFile.get() != nullptr);
1537
1538 if (is.sizeOnly())
1539 {
1540 mPageHandle = is.createHandle(mCompressedBytes);
1541 return;
1542 }
1543
1544 assert(mPageHandle);
1545
1546 tbb::spin_mutex::scoped_lock lock(mMutex);
1547
1548 this->deallocate();
1549
1550 this->setOutOfCore(delayLoad);
1551 is.read(mPageHandle, mCompressedBytes, delayLoad);
1552
1553 if (!delayLoad) {
1554 std::unique_ptr<char[]> buffer = mPageHandle->read();
1555 mData.reset(reinterpret_cast<StorageType*>(buffer.release()));
1556 }
1557
1558 // zero compressed bytes as not compressed in memory
1559
1560 if (mIsUniform) {
1561 // zero compressed bytes as uniform values are not compressed in memory
1562 mCompressedBytes = Index64(0);
1563 }
1564 else if (!(mSerializationFlags & WRITEMEMCOMPRESS)) {
1565 mCompressedBytes = Index64(0);
1566 }
1567
1568 // clear all write flags
1569
1570 if (mIsUniform) mSerializationFlags &= uint8_t(~WRITEUNIFORM & ~WRITEMEMCOMPRESS & ~WRITEPAGED);
1571 else mSerializationFlags &= uint8_t(~WRITEUNIFORM & ~WRITEPAGED);
1572 }
1573
1574
1575 template<typename ValueType_, typename Codec_>
1576 void
1577 TypedAttributeArray<ValueType_, Codec_>::write(std::ostream& os) const
1578 {
1579 this->write(os, /*outputTransient=*/false);
1580 }
1581
1582
1583 template<typename ValueType_, typename Codec_>
1584 void
1585 TypedAttributeArray<ValueType_, Codec_>::write(std::ostream& os, bool outputTransient) const
1586 {
1587 this->writeMetadata(os, outputTransient, /*paged=*/false);
1588 this->writeBuffers(os, outputTransient);
1589 }
1590
1591
1592 template<typename ValueType_, typename Codec_>
1593 void
1594 TypedAttributeArray<ValueType_, Codec_>::writeMetadata(std::ostream& os, bool outputTransient, bool paged) const
1595 {
1596 if (!outputTransient && this->isTransient()) return;
1597
1598 #if OPENVDB_ABI_VERSION_NUMBER >= 5
1599 uint8_t flags(mFlags);
1600 #else
1601 uint8_t flags(mFlags & uint8_t(~OUTOFCORE));
1602 #endif
1603 uint8_t serializationFlags(0);
1604 Index size(mSize);
1605 Index stride(mStrideOrTotalSize);
1606 bool strideOfOne(this->stride() == 1);
1607
1608 bool bloscCompression = io::getDataCompression(os) & io::COMPRESS_BLOSC;
1609
1610 // any compressed data needs to be loaded if out-of-core
1611 if (bloscCompression || this->isCompressed()) this->doLoad();
1612
1613 size_t compressedBytes = 0;
1614
1615 if (!strideOfOne)
1616 {
1617 serializationFlags |= WRITESTRIDED;
1618 }
1619
1620 if (mIsUniform)
1621 {
1622 serializationFlags |= WRITEUNIFORM;
1623 if (bloscCompression && paged) serializationFlags |= WRITEPAGED;
1624 }
1625 else if (bloscCompression && paged)
1626 {
1627 serializationFlags |= WRITEPAGED;
1628 if (this->isCompressed()) {
1629 serializationFlags |= WRITEMEMCOMPRESS;
1630 const char* charBuffer = reinterpret_cast<const char*>(mData.get());
1631 compressedBytes = compression::bloscUncompressedSize(charBuffer);
1632 }
1633 }
1634 else if (this->isCompressed())
1635 {
1636 serializationFlags |= WRITEMEMCOMPRESS;
1637 compressedBytes = mCompressedBytes;
1638 }
1639 else if (bloscCompression)
1640 {
1641 const char* charBuffer = reinterpret_cast<const char*>(mData.get());
1642 const size_t inBytes = this->arrayMemUsage();
1643 compressedBytes = compression::bloscCompressedSize(charBuffer, inBytes);
1644 }
1645
1646 Index64 bytes = /*flags*/ sizeof(Int16) + /*size*/ sizeof(Index);
1647
1648 bytes += (compressedBytes > 0) ? compressedBytes : this->arrayMemUsage();
1649
1650 // write data
1651
1652 os.write(reinterpret_cast<const char*>(&bytes), sizeof(Index64));
1653 os.write(reinterpret_cast<const char*>(&flags), sizeof(uint8_t));
1654 os.write(reinterpret_cast<const char*>(&serializationFlags), sizeof(uint8_t));
1655 os.write(reinterpret_cast<const char*>(&size), sizeof(Index));
1656
1657 // write strided
1658 if (!strideOfOne) os.write(reinterpret_cast<const char*>(&stride), sizeof(Index));
1659 }
1660
1661
1662 template<typename ValueType_, typename Codec_>
1663 void
1664 TypedAttributeArray<ValueType_, Codec_>::writeBuffers(std::ostream& os, bool outputTransient) const
1665 {
1666 if (!outputTransient && this->isTransient()) return;
1667
1668 this->doLoad();
1669
1670 if (this->isUniform()) {
1671 os.write(reinterpret_cast<const char*>(mData.get()), sizeof(StorageType));
1672 }
1673 else if (this->isCompressed())
1674 {
1675 uint8_t bloscCompressed(0);
1676 os.write(reinterpret_cast<const char*>(&bloscCompressed), sizeof(uint8_t));
1677 os.write(reinterpret_cast<const char*>(mData.get()), mCompressedBytes);
1678 }
1679 else if (io::getDataCompression(os) & io::COMPRESS_BLOSC)
1680 {
1681 std::unique_ptr<char[]> compressedBuffer;
1682 size_t compressedBytes = 0;
1683 const char* charBuffer = reinterpret_cast<const char*>(mData.get());
1684 const size_t inBytes = this->arrayMemUsage();
1685 compressedBuffer = compression::bloscCompress(charBuffer, inBytes, compressedBytes);
1686 if (compressedBuffer) {
1687 uint8_t bloscCompressed(1);
1688 os.write(reinterpret_cast<const char*>(&bloscCompressed), sizeof(uint8_t));
1689 os.write(reinterpret_cast<const char*>(compressedBuffer.get()), compressedBytes);
1690 }
1691 else {
1692 uint8_t bloscCompressed(0);
1693 os.write(reinterpret_cast<const char*>(&bloscCompressed), sizeof(uint8_t));
1694 os.write(reinterpret_cast<const char*>(mData.get()), inBytes);
1695 }
1696 }
1697 else
1698 {
1699 uint8_t bloscCompressed(0);
1700 os.write(reinterpret_cast<const char*>(&bloscCompressed), sizeof(uint8_t));
1701 os.write(reinterpret_cast<const char*>(mData.get()), this->arrayMemUsage());
1702 }
1703 }
1704
1705
1706 template<typename ValueType_, typename Codec_>
1707 void
1708 TypedAttributeArray<ValueType_, Codec_>::writePagedBuffers(compression::PagedOutputStream& os, bool outputTransient) const
1709 {
1710 if (!outputTransient && this->isTransient()) return;
1711
1712 // paged compression only available when Blosc is enabled
1713 bool bloscCompression = io::getDataCompression(os.getOutputStream()) & io::COMPRESS_BLOSC;
1714 if (!bloscCompression) {
1715 if (!os.sizeOnly()) this->writeBuffers(os.getOutputStream(), outputTransient);
1716 return;
1717 }
1718
1719 this->doLoad();
1720
1721 const char* buffer;
1722 size_t bytes;
1723
1724 std::unique_ptr<char[]> uncompressedBuffer;
1725 if (this->isCompressed()) {
1726 // paged streams require uncompressed buffers, so locally decompress
1727
1728 const char* charBuffer = reinterpret_cast<const char*>(this->mData.get());
1729 bytes = compression::bloscUncompressedSize(charBuffer);
1730 uncompressedBuffer = compression::bloscDecompress(charBuffer, bytes);
1731 buffer = reinterpret_cast<const char*>(uncompressedBuffer.get());
1732 }
1733 else {
1734 buffer = reinterpret_cast<const char*>(mData.get());
1735 bytes = this->arrayMemUsage();
1736 }
1737
1738 os.write(buffer, bytes);
1739 }
1740
1741
1742 template<typename ValueType_, typename Codec_>
1743 void
1744 TypedAttributeArray<ValueType_, Codec_>::doLoadUnsafe(const bool compression) const
1745 {
1746 if (!(this->isOutOfCore())) return;
1747
1748 // this function expects the mutex to already be locked
1749
1750 TypedAttributeArray<ValueType_, Codec_>* self = const_cast<TypedAttributeArray<ValueType_, Codec_>*>(this);
1751
1752 assert(self->mPageHandle);
1753
1754 std::unique_ptr<char[]> buffer = self->mPageHandle->read();
1755
1756 self->mData.reset(reinterpret_cast<StorageType*>(buffer.release()));
1757
1758 self->mPageHandle.reset();
1759
1760 // if data was compressed prior to being written to disk, re-compress
1761
1762 if (self->mSerializationFlags & WRITEMEMCOMPRESS) {
1763 if (compression) self->compressUnsafe();
1764 else self->mCompressedBytes = 0;
1765 }
1766
1767 // clear all write and out-of-core flags
1768
1769 #if OPENVDB_ABI_VERSION_NUMBER >= 5
1770 self->mOutOfCore = false;
1771 #else
1772 self->mFlags &= uint8_t(~OUTOFCORE);
1773 #endif
1774 self->mSerializationFlags &= uint8_t(~WRITEUNIFORM & ~WRITEMEMCOMPRESS & ~WRITEPAGED);
1775 }
1776
1777
1778 template<typename ValueType_, typename Codec_>
1779 AttributeArray::AccessorBasePtr
1780 TypedAttributeArray<ValueType_, Codec_>::getAccessor() const
1781 {
1782 // use the faster 'unsafe' get and set methods as attribute handles
1783 // ensure data is uncompressed and in-core when constructed
1784
1785 return AccessorBasePtr(new AttributeArray::Accessor<ValueType_>(
1786 &TypedAttributeArray<ValueType_, Codec_>::getUnsafe,
1787 &TypedAttributeArray<ValueType_, Codec_>::setUnsafe,
1788 &TypedAttributeArray<ValueType_, Codec_>::collapse,
1789 &TypedAttributeArray<ValueType_, Codec_>::fill));
1790 }
1791
1792
1793 template<typename ValueType_, typename Codec_>
1794 bool
1795 TypedAttributeArray<ValueType_, Codec_>::isEqual(const AttributeArray& other) const
1796 {
1797 const TypedAttributeArray<ValueType_, Codec_>* const otherT = dynamic_cast<const TypedAttributeArray<ValueType_, Codec_>* >(&other);
1798 if(!otherT) return false;
1799 if(this->mSize != otherT->mSize ||
1800 this->mStrideOrTotalSize != otherT->mStrideOrTotalSize ||
1801 this->mIsUniform != otherT->mIsUniform ||
1802 *this->sTypeName != *otherT->sTypeName) return false;
1803
1804 this->doLoad();
1805 otherT->doLoad();
1806
1807 const StorageType *target = this->mData.get(), *source = otherT->mData.get();
1808 if (!target && !source) return true;
1809 if (!target || !source) return false;
1810 Index n = this->mIsUniform ? 1 : mSize;
1811 while (n && math::isExactlyEqual(*target++, *source++)) --n;
1812 return n == 0;
1813 }
1814
1816
1817
1819 template <typename CodecType, typename ValueType>
1820 struct AccessorEval
1821 {
1822 using GetterPtr = ValueType (*)(const AttributeArray* array, const Index n);
1823 using SetterPtr = void (*)(AttributeArray* array, const Index n, const ValueType& value);
1824
1827 static ValueType get(GetterPtr /*functor*/, const AttributeArray* array, const Index n) {
1828 return TypedAttributeArray<ValueType, CodecType>::getUnsafe(array, n);
1829 }
1830
1833 static void set(SetterPtr /*functor*/, AttributeArray* array, const Index n, const ValueType& value) {
1834 TypedAttributeArray<ValueType, CodecType>::setUnsafe(array, n, value);
1835 }
1836 };
1837
1838
1840 template <typename ValueType>
1841 struct AccessorEval<UnknownCodec, ValueType>
1842 {
1843 using GetterPtr = ValueType (*)(const AttributeArray* array, const Index n);
1844 using SetterPtr = void (*)(AttributeArray* array, const Index n, const ValueType& value);
1845
1847 static ValueType get(GetterPtr functor, const AttributeArray* array, const Index n) {
1848 return (*functor)(array, n);
1849 }
1850
1852 static void set(SetterPtr functor, AttributeArray* array, const Index n, const ValueType& value) {
1853 (*functor)(array, n, value);
1854 }
1855 };
1856
1857
1859
1860 // AttributeHandle implementation
1861
1862 template <typename ValueType, typename CodecType>
1863 typename AttributeHandle<ValueType, CodecType>::Ptr
1864 AttributeHandle<ValueType, CodecType>::create(const AttributeArray& array, const bool preserveCompression)
1865 {
1866 return typename AttributeHandle<ValueType, CodecType>::Ptr(
1867 new AttributeHandle<ValueType, CodecType>(array, preserveCompression));
1868 }
1869
1870 template <typename ValueType, typename CodecType>
1871 AttributeHandle<ValueType, CodecType>::AttributeHandle(const AttributeArray& array, const bool preserveCompression)
1872 : mArray(&array)
1873 , mStrideOrTotalSize(array.hasConstantStride() ? array.stride() : 1)
1874 , mSize(array.hasConstantStride() ? array.size() : array.dataSize())
1875 , mCollapseOnDestruction(preserveCompression && array.isStreaming())
1876 {
1877 if (!this->compatibleType<std::is_same<CodecType, UnknownCodec>::value>()) {
1878 OPENVDB_THROW(TypeError, "Cannot bind handle due to incompatible type of AttributeArray.");
1879 }
1880
1881 // load data if delay-loaded
1882
1883 mArray->loadData();
1884
1885 // if array is compressed and preserve compression is true, copy and decompress
1886 // into a local copy that is destroyed with handle to maintain thread-safety
1887
1888 if (array.isCompressed())
1889 {
1890 if (preserveCompression && !array.isStreaming()) {
1891 mLocalArray = array.copyUncompressed();
1892 mLocalArray->decompress();
1893 mArray = mLocalArray.get();
1894 }
1895 else {
1896 const_cast<AttributeArray*>(mArray)->decompress();
1897 }
1898 }
1899
1900 // bind getter and setter methods
1901
1902 AttributeArray::AccessorBasePtr accessor = mArray->getAccessor();
1903 assert(accessor);
1904
1905 AttributeArray::Accessor<ValueType>* typedAccessor = static_cast<AttributeArray::Accessor<ValueType>*>(accessor.get());
1906
1907 mGetter = typedAccessor->mGetter;
1908 mSetter = typedAccessor->mSetter;
1909 mCollapser = typedAccessor->mCollapser;
1910 mFiller = typedAccessor->mFiller;
1911 }
1912
1913 template <typename ValueType, typename CodecType>
1914 AttributeHandle<ValueType, CodecType>::~AttributeHandle()
1915 {
1916 // if enabled, attribute is collapsed on destruction of the handle to save memory
1917 if (mCollapseOnDestruction) const_cast<AttributeArray*>(this->mArray)->collapse();
1918 }
1919
1920 template <typename ValueType, typename CodecType>
1921 template <bool IsUnknownCodec>
1922 typename std::enable_if<IsUnknownCodec, bool>::type
1923 AttributeHandle<ValueType, CodecType>::compatibleType() const
1924 {
1925 // if codec is unknown, just check the value type
1926
1927 return mArray->hasValueType<ValueType>();
1928 }
1929
1930 template <typename ValueType, typename CodecType>
1931 template <bool IsUnknownCodec>
1932 typename std::enable_if<!IsUnknownCodec, bool>::type
1933 AttributeHandle<ValueType, CodecType>::compatibleType() const
1934 {
1935 // if the codec is known, check the value type and codec
1936
1937 return mArray->isType<TypedAttributeArray<ValueType, CodecType>>();
1938 }
1939
1940 template <typename ValueType, typename CodecType>
1941 const AttributeArray& AttributeHandle<ValueType, CodecType>::array() const
1942 {
1943 assert(mArray);
1944 return *mArray;
1945 }
1946
1947 template <typename ValueType, typename CodecType>
1948 Index AttributeHandle<ValueType, CodecType>::index(Index n, Index m) const
1949 {
1950 Index index = n * mStrideOrTotalSize + m;
1951 assert(index < (mSize * mStrideOrTotalSize));
1952 return index;
1953 }
1954
1955 template <typename ValueType, typename CodecType>
1956 ValueType AttributeHandle<ValueType, CodecType>::get(Index n, Index m) const
1957 {
1958 return this->get<std::is_same<CodecType, UnknownCodec>::value>(this->index(n, m));
1959 }
1960
1961 template <typename ValueType, typename CodecType>
1962 template <bool IsUnknownCodec>
1963 typename std::enable_if<IsUnknownCodec, ValueType>::type
1964 AttributeHandle<ValueType, CodecType>::get(Index index) const
1965 {
1966 // if the codec is unknown, use the getter functor
1967
1968 return (*mGetter)(mArray, index);
1969 }
1970
1971 template <typename ValueType, typename CodecType>
1972 template <bool IsUnknownCodec>
1973 typename std::enable_if<!IsUnknownCodec, ValueType>::type
1974 AttributeHandle<ValueType, CodecType>::get(Index index) const
1975 {
1976 // if the codec is known, call the method on the attribute array directly
1977
1978 return TypedAttributeArray<ValueType, CodecType>::getUnsafe(mArray, index);
1979 }
1980
1981 template <typename ValueType, typename CodecType>
1982 bool AttributeHandle<ValueType, CodecType>::isUniform() const
1983 {
1984 return mArray->isUniform();
1985 }
1986
1987 template <typename ValueType, typename CodecType>
1988 bool AttributeHandle<ValueType, CodecType>::hasConstantStride() const
1989 {
1990 return mArray->hasConstantStride();
1991 }
1992
1994
1995 // AttributeWriteHandle implementation
1996
1997 template <typename ValueType, typename CodecType>
1998 typename AttributeWriteHandle<ValueType, CodecType>::Ptr
1999 AttributeWriteHandle<ValueType, CodecType>::create(AttributeArray& array, const bool expand)
2000 {
2001 return typename AttributeWriteHandle<ValueType, CodecType>::Ptr(
2002 new AttributeWriteHandle<ValueType, CodecType>(array, expand));
2003 }
2004
2005 template <typename ValueType, typename CodecType>
2006 AttributeWriteHandle<ValueType, CodecType>::AttributeWriteHandle(AttributeArray& array, const bool expand)
2007 : AttributeHandle<ValueType, CodecType>(array, /*preserveCompression = */ false)
2008 {
2009 if (expand) array.expand();
2010 }
2011
2012 template <typename ValueType, typename CodecType>
2013 void AttributeWriteHandle<ValueType, CodecType>::set(Index n, const ValueType& value)
2014 {
2015 this->set<std::is_same<CodecType, UnknownCodec>::value>(this->index(n, 0), value);
2016 }
2017
2018 template <typename ValueType, typename CodecType>
2019 void AttributeWriteHandle<ValueType, CodecType>::set(Index n, Index m, const ValueType& value)
2020 {
2021 this->set<std::is_same<CodecType, UnknownCodec>::value>(this->index(n, m), value);
2022 }
2023
2024 template <typename ValueType, typename CodecType>
2025 void AttributeWriteHandle<ValueType, CodecType>::expand(const bool fill)
2026 {
2027 const_cast<AttributeArray*>(this->mArray)->expand(fill);
2028 }
2029
2030 template <typename ValueType, typename CodecType>
2031 void AttributeWriteHandle<ValueType, CodecType>::collapse()
2032 {
2033 const_cast<AttributeArray*>(this->mArray)->collapse();
2034 }
2035
2036 template <typename ValueType, typename CodecType>
2037 bool AttributeWriteHandle<ValueType, CodecType>::compact()
2038 {
2039 return const_cast<AttributeArray*>(this->mArray)->compact();
2040 }
2041
2042 template <typename ValueType, typename CodecType>
2043 void AttributeWriteHandle<ValueType, CodecType>::collapse(const ValueType& uniformValue)
2044 {
2045 this->mCollapser(const_cast<AttributeArray*>(this->mArray), uniformValue);
2046 }
2047
2048 template <typename ValueType, typename CodecType>
2049 void AttributeWriteHandle<ValueType, CodecType>::fill(const ValueType& value)
2050 {
2051 this->mFiller(const_cast<AttributeArray*>(this->mArray), value);
2052 }
2053
2054 template <typename ValueType, typename CodecType>
2055 template <bool IsUnknownCodec>
2056 typename std::enable_if<IsUnknownCodec, void>::type
2057 AttributeWriteHandle<ValueType, CodecType>::set(Index index, const ValueType& value) const
2058 {
2059 // if the codec is unknown, use the setter functor
2060
2061 (*this->mSetter)(const_cast<AttributeArray*>(this->mArray), index, value);
2062 }
2063
2064 template <typename ValueType, typename CodecType>
2065 template <bool IsUnknownCodec>
2066 typename std::enable_if<!IsUnknownCodec, void>::type
2067 AttributeWriteHandle<ValueType, CodecType>::set(Index index, const ValueType& value) const
2068 {
2069 // if the codec is known, call the method on the attribute array directly
2070
2071 TypedAttributeArray<ValueType, CodecType>::setUnsafe(const_cast<AttributeArray*>(this->mArray), index, value);
2072 }
2073
2074 template <typename ValueType, typename CodecType>
2075 AttributeArray& AttributeWriteHandle<ValueType, CodecType>::array()
2076 {
2077 assert(this->mArray);
2078 return *const_cast<AttributeArray*>(this->mArray);
2079 }
2080
2081
2082 } // namespace points
2083 } // namespace OPENVDB_VERSION_NAME
2084 } // namespace openvdb
2085
2086 #endif // OPENVDB_POINTS_ATTRIBUTE_ARRAY_HAS_BEEN_INCLUDED
2087
2088 // Copyright (c) 2012-2018 DreamWorks Animation LLC
2089 // All rights reserved. This software is distributed under the
2090 // Mozilla Public License 2.0 ( http://www.mozilla.org/MPL/2.0/ )
openvdb::v5_2::compression::PagedInputStream::sizeOnly
bool sizeOnly() const
Definition: StreamCompression.h:236
openvdb::v5_2::math::Vec3::y
T & y()
Definition: Vec3.h:111
openvdb::v5_2::points::AttributeArray::isHidden
bool isHidden() const
Return true if this attribute is hidden (e.g., from UI or iterators).
Definition: AttributeArray.h:218
openvdb::v5_2::compression::PagedInputStream::createHandle
PageHandle::Ptr createHandle(std::streamsize n)
Creates a PageHandle to access the next.
openvdb::v5_2::points::AccessorEval
Accessor to call unsafe get and set methods based on templated Codec and Value.
Definition: AttributeArray.h:1820
openvdb::v5_2::points::AttributeArray::Accessor
Definition: AttributeArray.h:122
OPENVDB_API
#define OPENVDB_API
Helper macros for defining library symbol visibility.
Definition: Platform.h:194
openvdb::v5_2::math::Vec3
Definition: Mat.h:197
openvdb::v5_2::points::AttributeHandle::mArray
const AttributeArray * mArray
Definition: AttributeArray.h:679
openvdb::v5_2::points::AttributeArray::Accessor::ValuePtr
void(*)(AttributeArray *array, const T &value) ValuePtr
Definition: AttributeArray.h:322
openvdb::v5_2::points::AttributeWriteHandle
Write-able version of AttributeHandle.
Definition: AttributeArray.h:715
openvdb::v5_2::points::TypedAttributeArray::memUsage
size_t memUsage() const override
Return the number of bytes of memory used by this attribute.
Definition: AttributeArray.h:1068
Types.h
openvdb::v5_2::points::TruncateCodec
Definition: AttributeArray.h:378
openvdb::v5_2::points::TypedAttributeArray::ValueType
ValueType_ ValueType
Definition: AttributeArray.h:447
openvdb::v5_2::points::UnitRange::decode
static ValueType decode(const ValueType &value)
Definition: AttributeArray.h:403
openvdb::v5_2::compression::PagedInputStream
A Paging wrapper to std::istream that is responsible for reading from a given input stream and creati...
Definition: StreamCompression.h:225
Compression.h
QuantizedUnitVec.h
openvdb::v5_2::math::isExactlyEqual
bool isExactlyEqual(const T0 &a, const T1 &b)
Return true if a is exactly equal to b.
Definition: Math.h:395
openvdb::v5_2::points::AttributeArray::Flag
Flag
Definition: AttributeArray.h:127
openvdb::v5_2::points::TypedAttributeArray::copy
AttributeArray::Ptr copy() const override
Return a copy of this attribute.
Definition: AttributeArray.h:1012
openvdb::v5_2::points::TypedAttributeArray::decompress
bool decompress() override
Uncompress the attribute array.
Definition: AttributeArray.h:1339
openvdb::v5_2::points::AttributeHandle::mCollapser
ValuePtr mCollapser
Definition: AttributeArray.h:683
openvdb::v5_2::points::TruncateCodec::name
static const char * name()
Definition: AttributeArray.h:385
openvdb::v5_2::points::TypedAttributeArray::compact
bool compact() override
Compact the existing array to become uniform if all values are identical.
Definition: AttributeArray.h:1219
openvdb::v5_2::points::TypedAttributeArray::readPagedBuffers
void readPagedBuffers(compression::PagedInputStream &) override
Read attribute buffers from a paged stream.
Definition: AttributeArray.h:1526
openvdb::v5_2::points::AttributeWriteHandle::Ptr
std::shared_ptr< Handle > Ptr
Definition: AttributeArray.h:719
openvdb::v5_2::points::NullCodec::Storage
Definition: AttributeArray.h:370
openvdb::v5_2::compression::bloscCompressedSize
OPENVDB_API size_t bloscCompressedSize(const char *buffer, const size_t uncompressedBytes)
Convenience wrapper to retrieve the compressed size of buffer when compressed.
openvdb::v5_2::points::AttributeArray::FactoryMethod
Ptr(*)(Index, Index, bool) FactoryMethod
Definition: AttributeArray.h:145
openvdb::v5_2::points::TypedAttributeArray::writePagedBuffers
void writePagedBuffers(compression::PagedOutputStream &os, bool outputTransient) const override
Definition: AttributeArray.h:1708
openvdb::v5_2::NamePair
std::pair< Name, Name > NamePair
Definition: AttributeArray.h:65
openvdb::v5_2::points::fixedPointToFloatingPoint
FloatVectorT fixedPointToFloatingPoint(const math::Vec3< IntegerT > &v)
Definition: AttributeArray.h:105
openvdb::v5_2::points::attribute_traits::TruncateTrait< int >::Type
short Type
Definition: AttributeArray.h:341
openvdb::v5_2::points::AttributeArray::mPageHandle
compression::PageHandle::Ptr mPageHandle
used for out-of-core, paged reading
Definition: AttributeArray.h:305
OPENVDB_THROW
#define OPENVDB_THROW(exception, message)
Definition: Exceptions.h:109
openvdb::v5_2::points::AttributeArray::Accessor::SetterPtr
void(*)(AttributeArray *array, const Index n, const T &value) SetterPtr
Definition: AttributeArray.h:321
openvdb::v5_2::points::AttributeArray::Accessor::mSetter
SetterPtr mSetter
Definition: AttributeArray.h:328
openvdb::v5_2::points::AttributeArray::Accessor::mFiller
ValuePtr mFiller
Definition: AttributeArray.h:330
openvdb::v5_2::points::AttributeArray::AccessorBasePtr
std::shared_ptr< AccessorBase > AccessorBasePtr
Definition: AttributeArray.h:124
openvdb::v5_2::points::TypedAttributeArray::writeBuffers
void writeBuffers(std::ostream &os, bool outputTransient) const override
Definition: AttributeArray.h:1664
openvdb::v5_2::points::attribute_traits::UIntTypeTrait< false, T >::Type
uint16_t Type
Definition: AttributeArray.h:349
openvdb::v5_2::Name
std::string Name
Definition: Name.h:44
openvdb::v5_2::compression::bloscCanCompress
OPENVDB_API bool bloscCanCompress()
Returns true if compression is available.
openvdb::v5_2::points::AttributeHandle::mSetter
SetterPtr mSetter
Definition: AttributeArray.h:682
openvdb::v5_2::points::UnitRange::encode
static ValueType encode(const ValueType &value)
Definition: AttributeArray.h:402
openvdb::v5_2::TypeError
Definition: Exceptions.h:91
openvdb::v5_2::points::UnitVecCodec::Storage
Definition: AttributeArray.h:428
openvdb::v5_2::io::getDataCompression
OPENVDB_API uint32_t getDataCompression(std::ios_base &)
Return a bitwise OR of compression option flags (COMPRESS_ZIP, COMPRESS_ACTIVE_MASK, etc.) specifying whether and how input data is compressed or output data should be compressed.
openvdb::v5_2::points::TypedAttributeArray::cast
static TypedAttributeArray & cast(AttributeArray &attributeArray)
Cast an AttributeArray to TypedAttributeArray<T>
Definition: AttributeArray.h:992
openvdb::v5_2::points::AttributeArray::isStreaming
bool isStreaming() const
Return true if this attribute is in streaming mode.
Definition: AttributeArray.h:233
openvdb::v5_2::points::AttributeHandle::mFiller
ValuePtr mFiller
Definition: AttributeArray.h:684
openvdb::v5_2::points::attribute_traits::UIntTypeTrait
Definition: AttributeArray.h:347
openvdb::v5_2::compression::PageHandle::Ptr
std::shared_ptr< PageHandle > Ptr
Definition: StreamCompression.h:197
openvdb::v5_2::points::TypedAttributeArray::Ptr
std::shared_ptr< TypedAttributeArray > Ptr
Definition: AttributeArray.h:444
openvdb::v5_2::points::TypedAttributeArray::Codec
Codec_ Codec
Definition: AttributeArray.h:448
openvdb::v5_2::points::AttributeArray::ConstPtr
std::shared_ptr< const AttributeArray > ConstPtr
Definition: AttributeArray.h:143
openvdb::v5_2::compression::PagedInputStream::read
void read(PageHandle::Ptr &pageHandle, std::streamsize n, bool delayed=true)
Takes a pageHandle and updates the referenced page with the current stream pointer position and if de...
openvdb::v5_2::points::TypedAttributeArray::readMetadata
void readMetadata(std::istream &) override
Read attribute metadata from a stream.
Definition: AttributeArray.h:1426
openvdb::v5_2::points::AttributeArray::Accessor::mCollapser
ValuePtr mCollapser
Definition: AttributeArray.h:329
io.h
openvdb::v5_2::points::TruncateCodec::Storage::Type
typename attribute_traits::TruncateTrait< T >::Type Type
Definition: AttributeArray.h:381
openvdb::v5_2::points::TypedAttributeArray::operator=
TypedAttributeArray & operator=(const TypedAttributeArray &)
Deep copy assignment operator.
Definition: AttributeArray.h:916
openvdb::v5_2::points::TypedAttributeArray::TypedAttributeArray
TypedAttributeArray(Index n=1, Index strideOrTotalSize=1, bool constantStride=true, const ValueType &uniformValue=zeroVal< ValueType >())
Default constructor, always constructs a uniform attribute.
Definition: AttributeArray.h:848
logging.h
openvdb::v5_2::points::TypedAttributeArray::copyUncompressed
AttributeArray::Ptr copyUncompressed() const override
Return an uncompressed copy of this attribute (will just return a copy if not compressed).
Definition: AttributeArray.h:1020
openvdb::v5_2::points::TypedAttributeArray::readBuffers
void readBuffers(std::istream &) override
Read attribute buffers from a stream.
Definition: AttributeArray.h:1476
openvdb::v5_2::points::UnitVecCodec::Storage::Type
StorageType Type
Definition: AttributeArray.h:428
openvdb::v5_2::points::TypedAttributeArray::compress
bool compress() override
Compress the attribute array.
Definition: AttributeArray.h:1291
openvdb::v5_2::tools::composite::min
const std::enable_if<!VecTraits< T >::IsVec, T >::type & min(const T &a, const T &b)
Definition: Composite.h:129
openvdb::v5_2::points::PositionRange::name
static const char * name()
Definition: AttributeArray.h:392
openvdb::v5_2::points::FixedPointCodec::name
static const char * name()
Definition: AttributeArray.h:416
openvdb::v5_2::points::AttributeHandle::size
Index size() const
Definition: AttributeArray.h:667
openvdb::v5_2::compression::bloscCompress
OPENVDB_API void bloscCompress(char *compressedBuffer, size_t &compressedBytes, const size_t bufferBytes, const char *uncompressedBuffer, const size_t uncompressedBytes)
Compress into the supplied buffer.
openvdb::v5_2::points::TypedAttributeArray::get
ValueType get(Index n) const
Return the value at index n.
Definition: AttributeArray.h:1090
openvdb::v5_2::points::attribute_traits::TruncateTrait< float >::Type
half Type
Definition: AttributeArray.h:340
openvdb::v5_2::points::AttributeHandle::AttributeHandle
AttributeHandle(const AttributeArray &array, const bool preserveCompression=true)
Definition: AttributeArray.h:1871
openvdb::v5_2::points::TypedAttributeArray::size
Index size() const override
Return the number of elements in this array.
Definition: AttributeArray.h:495
openvdb::v5_2::points::AttributeArray::Accessor::Accessor
Accessor(GetterPtr getter, SetterPtr setter, ValuePtr collapser, ValuePtr filler)
Definition: AttributeArray.h:324
openvdb::v5_2::points::AttributeArray::AccessorBase
Accessor base class for AttributeArray storage where type is not available.
Definition: AttributeArray.h:313
openvdb::v5_2::points::AttributeArray::operator!=
bool operator!=(const AttributeArray &other) const
Definition: AttributeArray.h:275
openvdb::v5_2::points::PositionRange::decode
static ValueType decode(const ValueType &value)
Definition: AttributeArray.h:394
openvdb::v5_2::points::AttributeHandle::mGetter
GetterPtr mGetter
Definition: AttributeArray.h:681
openvdb::v5_2::points::AttributeWriteHandle< StringIndexType, openvdb::v5_2::points::StringCodec< false > >::ScopedPtr
std::unique_ptr< Handle > ScopedPtr
Definition: AttributeArray.h:720
openvdb::v5_2::compression::bloscDecompress
OPENVDB_API void bloscDecompress(char *uncompressedBuffer, const size_t expectedBytes, const size_t bufferBytes, const char *compressedBuffer)
Decompress into the supplied buffer. Will throw if decompression fails or uncompressed buffer has ins...
openvdb::v5_2::points::attribute_traits::UIntTypeTrait< true, T >::Type
uint8_t Type
Definition: AttributeArray.h:348
StreamCompression.h
Convenience wrappers to using Blosc and reading and writing of Paged data.
openvdb::v5_2::points::AttributeHandle::create
static Ptr create(const AttributeArray &array, const bool preserveCompression=true)
Definition: AttributeArray.h:1864
openvdb::v5_2::points::AttributeHandle::hasConstantStride
bool hasConstantStride() const
Definition: AttributeArray.h:1988
openvdb::v5_2::points::AttributeArray::getAccessor
virtual AccessorBasePtr getAccessor() const =0
Obtain an Accessor that stores getter and setter functors.
openvdb::v5_2::points::AttributeArray::Ptr
std::shared_ptr< AttributeArray > Ptr
Definition: AttributeArray.h:142
openvdb::v5_2::points::AttributeArray::hasValueType
bool hasValueType() const
Return true if this attribute has a value type the same as the template parameter.
Definition: AttributeArray.h:190
OPENVDB_VERSION_NAME
#define OPENVDB_VERSION_NAME
The version namespace name for this library version.
Definition: version.h:136
openvdb::v5_2::ValueError
Definition: Exceptions.h:92
OPENVDB_LOG_WARN
#define OPENVDB_LOG_WARN(message)
Log a warning message of the form &#39;someVar << "some text" << ...&#39;.
Definition: logging.h:280
openvdb::v5_2::points::AttributeArray::flags
uint8_t flags() const
Retrieve the attribute array flags.
Definition: AttributeArray.h:239
openvdb::v5_2::points::AttributeHandle< StringIndexType, openvdb::v5_2::points::StringCodec< false > >::Ptr
std::shared_ptr< Handle > Ptr
Definition: AttributeArray.h:648
openvdb::v5_2::points::AccessorEval< UnknownCodec, ValueType >::SetterPtr
void(*)(AttributeArray *array, const Index n, const ValueType &value) SetterPtr
Definition: AttributeArray.h:1844
openvdb::v5_2::points::AttributeArray::mSerializationFlags
uint8_t mSerializationFlags
Definition: AttributeArray.h:298
openvdb::v5_2::points::AttributeHandle::isUniform
bool isUniform() const
Definition: AttributeArray.h:1982
openvdb::v5_2::points::UnitVecCodec::name
static const char * name()
Definition: AttributeArray.h:432
openvdb::v5_2::points::TypedAttributeArray::type
const NamePair & type() const override
Return the name of this attribute&#39;s type.
Definition: AttributeArray.h:485
openvdb::v5_2::points::AttributeArray::isCompressed
bool isCompressed() const
Return true if this array is compressed.
Definition: AttributeArray.h:206
openvdb::v5_2::compression::PagedOutputStream::write
PagedOutputStream & write(const char *str, std::streamsize n)
Writes the given.
openvdb::v5_2::points::TypedAttributeArray::StorageType
typename Codec::template Storage< ValueType >::Type StorageType
Definition: AttributeArray.h:449
openvdb::v5_2::Int16
int16_t Int16
Definition: Types.h:62
openvdb::v5_2::points::NullCodec::Storage::Type
T Type
Definition: AttributeArray.h:370
openvdb::v5_2::math::Vec3::x
T & x()
Reference to the component, e.g. v.x() = 4.5f;.
Definition: Vec3.h:110
openvdb::v5_2::compression::PagedOutputStream::sizeOnly
bool sizeOnly() const
Definition: StreamCompression.h:273
openvdb::v5_2::points::FixedPointCodec::Storage::Type
typename attribute_traits::UIntTypeTrait< OneByte, T >::Type Type
Definition: AttributeArray.h:411
openvdb::v5_2::points::AttributeArray::registerType
static void registerType(const NamePair &type, FactoryMethod)
Register a attribute type along with a factory function.
openvdb::v5_2::points::AttributeArray::mFlags
uint8_t mFlags
Definition: AttributeArray.h:297
openvdb
Definition: Exceptions.h:40
openvdb::v5_2::io::COMPRESS_BLOSC
Definition: Compression.h:81
openvdb::v5_2::points::PositionRange
Definition: AttributeArray.h:390
openvdb::v5_2::points::TypedAttributeArray::read
void read(std::istream &) override
Read attribute data from a stream.
Definition: AttributeArray.h:1417
openvdb::v5_2::points::AttributeArray::mCompressedBytes
size_t mCompressedBytes
Definition: AttributeArray.h:296
IndexIterator.h
Index Iterators.
openvdb::v5_2::points::TypedAttributeArray::isOutOfCore
bool isOutOfCore() const
Return true if this buffer&#39;s values have not yet been read from disk.
Definition: AttributeArray.h:1368
openvdb::v5_2::points::AttributeArray::SerializationFlag
SerializationFlag
Definition: AttributeArray.h:135
openvdb::v5_2::Index
Index32 Index
Definition: Types.h:61
openvdb::v5_2::points::AttributeHandle< StringIndexType, openvdb::v5_2::points::StringCodec< false > >::SetterPtr
void(*)(AttributeArray *array, const Index n, const StringIndexType &value) SetterPtr
Definition: AttributeArray.h:653
openvdb::v5_2::points::AttributeHandle< StringIndexType, openvdb::v5_2::points::StringCodec< false > >::GetterPtr
StringIndexType(*)(const AttributeArray *array, const Index n) GetterPtr
Definition: AttributeArray.h:652
openvdb::v5_2::compression::PagedInputStream::getInputStream
std::istream & getInputStream()
Definition: StreamCompression.h:239
openvdb::v5_2::points::PositionRange::encode
static ValueType encode(const ValueType &value)
Definition: AttributeArray.h:393
openvdb::v5_2::points::AttributeHandle
Definition: AttributeArray.h:644
openvdb::v5_2::points::AttributeArray::Accessor::mGetter
GetterPtr mGetter
Definition: AttributeArray.h:327
openvdb::v5_2::points::TypedAttributeArray::set
void set(Index n, const ValueType &value)
Set value at the given index n.
Definition: AttributeArray.h:1144
openvdb::v5_2::points::AttributeArray
Base class for storing attribute data.
Definition: AttributeArray.h:118
openvdb::v5_2::Index64
uint64_t Index64
Definition: Types.h:60
openvdb::v5_2::points::FixedPointCodec
Definition: AttributeArray.h:408
openvdb::v5_2::points::AttributeArray::isType
bool isType() const
Return true if this attribute is of the same type as the template parameter.
Definition: AttributeArray.h:186
openvdb::v5_2::math::operator==
bool operator==(const Vec3< T0 > &v0, const Vec3< T1 > &v1)
Equality operator, does exact floating point comparisons.
Definition: Vec3.h:488
openvdb::v5_2::points::TypedAttributeArray::create
static Ptr create(Index n, Index strideOrTotalSize=1, bool constantStride=true)
Return a new attribute array of the given length n and stride with uniform value zero.
Definition: AttributeArray.h:985
openvdb::v5_2::points::TruncateCodec::Storage
Definition: AttributeArray.h:381
openvdb::v5_2::points::TypedAttributeArray::setUnsafe
void setUnsafe(Index n, const ValueType &value)
Set value at the given index n (assumes uncompressed and in-core)
Definition: AttributeArray.h:1128
openvdb::v5_2::points::UnitVecCodec::StorageType
uint16_t StorageType
Definition: AttributeArray.h:425
openvdb::v5_2::points::TypedAttributeArray::isRegistered
static bool isRegistered()
Return true if this attribute type is registered.
Definition: AttributeArray.h:961
openvdb::v5_2::points::AttributeArray::isTransient
bool isTransient() const
Return true if this attribute is not serialized during stream output.
Definition: AttributeArray.h:225
openvdb::v5_2::points::AttributeArray::hasConstantStride
bool hasConstantStride() const
Return true if this attribute has a constant stride.
Definition: AttributeArray.h:236
openvdb::v5_2::points::TypedAttributeArray::loadData
void loadData() const override
Ensures all data is in-core.
Definition: AttributeArray.h:1409
openvdb::v5_2::points::AttributeArray::setConstantStride
void setConstantStride(bool state)
Specify whether this attribute has a constant stride or not.
openvdb::v5_2::IndexError
Definition: Exceptions.h:84
openvdb::v5_2::points::TypedAttributeArray::writeMetadata
void writeMetadata(std::ostream &os, bool outputTransient, bool paged) const override
Definition: AttributeArray.h:1594
openvdb::v5_2::points::AttributeArray::Accessor::GetterPtr
T(*)(const AttributeArray *array, const Index n) GetterPtr
Definition: AttributeArray.h:320
openvdb::v5_2::points::TypedAttributeArray::registerType
static void registerType()
Register this attribute type along with a factory function.
Definition: AttributeArray.h:969
openvdb::v5_2::points::TypedAttributeArray::getUnsafe
ValueType getUnsafe(Index n) const
Return the value at index n (assumes uncompressed and in-core)
Definition: AttributeArray.h:1076
openvdb::v5_2::points::FixedPointCodec::Storage
Definition: AttributeArray.h:411
openvdb::v5_2::points::UnitVecCodec
Definition: AttributeArray.h:423
openvdb::v5_2::tools::composite::max
const std::enable_if<!VecTraits< T >::IsVec, T >::type & max(const T &a, const T &b)
Definition: Composite.h:133
openvdb::v5_2::points::TypedAttributeArray::getAccessor
AccessorBasePtr getAccessor() const override
Obtain an Accessor that stores getter and setter functors.
Definition: AttributeArray.h:1780
openvdb::v5_2::points::TypedAttributeArray::attributeType
static const NamePair & attributeType()
Return the name of this attribute&#39;s type (includes codec)
Definition: AttributeArray.h:949
openvdb::v5_2::points::AccessorEval< UnknownCodec, ValueType >::GetterPtr
ValueType(*)(const AttributeArray *array, const Index n) GetterPtr
Definition: AttributeArray.h:1843
openvdb::v5_2::points::UnknownCodec
Definition: AttributeArray.h:364
openvdb::v5_2::points::AccessorEval::SetterPtr
void(*)(AttributeArray *array, const Index n, const ValueType &value) SetterPtr
Definition: AttributeArray.h:1823
openvdb::v5_2::compression::PagedOutputStream::getOutputStream
std::ostream & getOutputStream()
Set and get the output stream.
Definition: StreamCompression.h:276
openvdb::v5_2::points::NullCodec
Definition: AttributeArray.h:367
openvdb::v5_2::points::TypedAttributeArray::~TypedAttributeArray
virtual ~TypedAttributeArray()
Definition: AttributeArray.h:465
openvdb::v5_2::points::NullCodec::name
static const char * name()
Definition: AttributeArray.h:374
openvdb::v5_2::points::floatingPointToFixedPoint
IntegerVectorT floatingPointToFixedPoint(const math::Vec3< FloatT > &v)
Definition: AttributeArray.h:95
openvdb::v5_2::points::TypedAttributeArray::fill
void fill(const ValueType &value)
Fill the existing array with the given value.
Definition: AttributeArray.h:1266
openvdb::v5_2::points::AttributeArray::expand
virtual void expand(bool fill=true)=0
If this array is uniform, replace it with an array of length size().
openvdb::v5_2::points::TypedAttributeArray::isUniform
bool isUniform() const override
Return true if this array is stored as a single uniform value.
Definition: AttributeArray.h:539
openvdb::v5_2::points::attribute_traits::TruncateTrait
Definition: AttributeArray.h:339
openvdb::v5_2::points::AttributeArray::copyUncompressed
virtual AttributeArray::Ptr copyUncompressed() const =0
Return an uncompressed copy of this attribute (will return a copy if not compressed).
OPENVDB_USE_VERSION_NAMESPACE
#define OPENVDB_USE_VERSION_NAMESPACE
Definition: version.h:188
openvdb::v5_2::io::getMappedFilePtr
OPENVDB_API SharedPtr< MappedFile > getMappedFilePtr(std::ios_base &)
Return a shared pointer to the memory-mapped file with which the given stream is associated, or a null pointer if the stream is not associated with a memory-mapped file.
openvdb::v5_2::points::TypedAttributeArray::stride
Index stride() const override
Definition: AttributeArray.h:499
openvdb::v5_2::points::AttributeArray::unregisterType
static void unregisterType(const NamePair &type)
Remove a attribute type from the registry.
openvdb::v5_2::io::MappedFile::Ptr
SharedPtr< MappedFile > Ptr
Definition: io.h:152
openvdb::v5_2::points::AttributeArray::isRegistered
static bool isRegistered(const NamePair &type)
Return true if the given attribute type name is registered.
openvdb::v5_2::points::TypedAttributeArray::dataSize
Index dataSize() const override
Return the size of the data in this array.
Definition: AttributeArray.h:502
openvdb::v5_2::points::UnitRange::name
static const char * name()
Definition: AttributeArray.h:401
openvdb::v5_2::points::TypedAttributeArray::expand
void expand(bool fill=true) override
Replace the single value storage with an array of length size().
Definition: AttributeArray.h:1196
openvdb::v5_2::points::AttributeHandle< StringIndexType, openvdb::v5_2::points::StringCodec< false > >::ValuePtr
void(*)(AttributeArray *array, const StringIndexType &value) ValuePtr
Definition: AttributeArray.h:654
openvdb::v5_2::compression::PagedOutputStream
A Paging wrapper to std::ostream that is responsible for writing from a given output stream at interv...
Definition: StreamCompression.h:262
openvdb::v5_2::points::AttributeHandle< StringIndexType, openvdb::v5_2::points::StringCodec< false > >::UniquePtr
std::unique_ptr< Handle > UniquePtr
Definition: AttributeArray.h:649
openvdb::v5_2::points::TypedAttributeArray::write
void write(std::ostream &os, bool outputTransient) const override
Definition: AttributeArray.h:1585
openvdb::v5_2::compression::bloscUncompressedSize
OPENVDB_API size_t bloscUncompressedSize(const char *buffer)
Retrieves the uncompressed size of buffer when uncompressed.
openvdb::v5_2::points::AttributeHandle::stride
Index stride() const
Definition: AttributeArray.h:666
openvdb::v5_2::IoError
Definition: Exceptions.h:85
openvdb::v5_2::points::AccessorEval::GetterPtr
ValueType(*)(const AttributeArray *array, const Index n) GetterPtr
Definition: AttributeArray.h:1822
openvdb::v5_2::points::TypedAttributeArray::unregisterType
static void unregisterType()
Remove this attribute type from the registry.
Definition: AttributeArray.h:977
openvdb::v5_2::points::TypedAttributeArray::collapse
void collapse() override
Replace the existing array with a uniform zero value.
Definition: AttributeArray.h:1236
Name.h
openvdb::v5_2::math::Vec3::z
T & z()
Definition: Vec3.h:112
openvdb::v5_2::points::UnitRange
Definition: AttributeArray.h:399
openvdb::v5_2::points::TypedAttributeArray
Typed class for storing attribute data.
Definition: AttributeArray.h:441