4 #ifndef OPENVDB_TREE_LEAFBUFFER_HAS_BEEN_INCLUDED 5 #define OPENVDB_TREE_LEAFBUFFER_HAS_BEEN_INCLUDED 10 #include <tbb/spin_mutex.h> 16 #include <type_traits> 29 template<
typename T, Index Log2Dim>
36 static const Index SIZE = 1 << 3 * Log2Dim;
38 #ifdef OPENVDB_USE_DELAYED_LOADING 41 FileInfo(): bufpos(0) , maskpos(0) {}
42 std::streamoff bufpos;
43 std::streamoff maskpos;
44 io::MappedFile::Ptr mapping;
52 #ifdef OPENVDB_USE_DELAYED_LOADING 63 #ifdef OPENVDB_USE_DELAYED_LOADING 73 #ifdef OPENVDB_USE_DELAYED_LOADING 74 return bool(mOutOfCore);
80 bool empty()
const {
return !mData || this->isOutOfCore(); }
135 inline void setOutOfCore(
bool b)
138 #ifdef OPENVDB_USE_DELAYED_LOADING 144 inline void loadValues()
const 146 #ifdef OPENVDB_USE_DELAYED_LOADING 147 if (this->isOutOfCore()) this->doLoad();
150 inline void doLoad()
const;
151 inline bool detachFromFile();
153 using FlagsType = std::atomic<Index32>;
155 #ifdef OPENVDB_USE_DELAYED_LOADING 163 FlagsType mOutOfCore;
164 tbb::spin_mutex mMutex;
167 friend class ::TestLeaf;
176 template<
typename T, Index Log2Dim>
181 #ifdef OPENVDB_USE_DELAYED_LOADING 188 template<
typename T, Index Log2Dim>
192 #ifdef OPENVDB_USE_DELAYED_LOADING 194 this->detachFromFile();
204 template<
typename T, Index Log2Dim>
209 , mOutOfCore(other.mOutOfCore.load())
212 #ifdef OPENVDB_USE_DELAYED_LOADING 214 mFileInfo =
new FileInfo(*other.mFileInfo);
217 if (other.mData !=
nullptr) {
222 while (n--) *target++ = *source++;
224 #ifdef OPENVDB_USE_DELAYED_LOADING 230 template<
typename T, Index Log2Dim>
236 if (mData) mData[i] = val;
240 template<
typename T, Index Log2Dim>
244 if (&other !=
this) {
245 #ifdef OPENVDB_USE_DELAYED_LOADING 247 this->detachFromFile();
252 mOutOfCore.store(other.mOutOfCore.load(std::memory_order_acquire),
253 std::memory_order_release);
254 mFileInfo =
new FileInfo(*other.mFileInfo);
257 if (other.mData !=
nullptr) {
262 while (n--) *target++ = *source++;
264 #ifdef OPENVDB_USE_DELAYED_LOADING 272 template<
typename T, Index Log2Dim>
276 this->detachFromFile();
277 if (mData !=
nullptr) {
280 while (n--) *target++ = val;
285 template<
typename T, Index Log2Dim>
291 const ValueType *target = mData, *source = other.mData;
292 if (!target && !source)
return true;
293 if (!target || !source)
return false;
300 template<
typename T, Index Log2Dim>
304 std::swap(mData, other.mData);
305 #ifdef OPENVDB_USE_DELAYED_LOADING 310 auto tmp = other.mOutOfCore.load(std::memory_order_acquire);
311 tmp = mOutOfCore.exchange(std::move(tmp));
312 other.mOutOfCore.store(std::move(tmp), std::memory_order_release);
317 template<
typename T, Index Log2Dim>
321 size_t n =
sizeof(*this);
322 #ifdef OPENVDB_USE_DELAYED_LOADING 327 #ifdef OPENVDB_USE_DELAYED_LOADING 330 return static_cast<Index>(n);
334 template<
typename T, Index Log2Dim>
338 size_t n =
sizeof(*this);
340 return static_cast<Index>(n);
344 template<
typename T, Index Log2Dim>
349 if (mData ==
nullptr) {
351 #ifdef OPENVDB_USE_DELAYED_LOADING 353 tbb::spin_mutex::scoped_lock lock(self->mMutex);
360 template<
typename T, Index Log2Dim>
365 if (mData ==
nullptr) {
366 #ifdef OPENVDB_USE_DELAYED_LOADING 368 tbb::spin_mutex::scoped_lock lock(mMutex);
376 template<
typename T, Index Log2Dim>
380 static const ValueType sZero = zeroVal<T>();
385 if (mData)
return mData[i];
else return sZero;
389 template<
typename T, Index Log2Dim>
394 if (mData !=
nullptr) {
395 #ifdef OPENVDB_USE_DELAYED_LOADING 406 template<
typename T, Index Log2Dim>
410 #ifdef OPENVDB_USE_DELAYED_LOADING 417 tbb::spin_mutex::scoped_lock lock(self->mMutex);
420 std::unique_ptr<FileInfo> info(self->mFileInfo);
421 assert(info.get() !=
nullptr);
422 assert(info->mapping.get() !=
nullptr);
423 assert(info->meta.get() !=
nullptr);
426 self->mData =
nullptr;
430 std::istream is(buf.get());
435 is.seekg(info->maskpos);
438 is.seekg(info->bufpos);
441 self->setOutOfCore(
false);
446 template<
typename T, Index Log2Dim>
450 #ifdef OPENVDB_USE_DELAYED_LOADING 454 this->setOutOfCore(
false);
466 template<Index Log2Dim>
478 static inline const bool sOn =
true;
479 static inline const bool sOff =
false;
486 void fill(
bool val) { mData.set(val); }
494 if (mData.isOn(i))
return sOn;
else return sOff;
503 void swap(
LeafBuffer& other) {
if (&other !=
this) std::swap(mData, other.mData); }
527 #endif // OPENVDB_TREE_LEAFBUFFER_HAS_BEEN_INCLUDED LeafBuffer(const LeafBuffer &other)
Definition: LeafBuffer.h:484
static const Index SIZE
Definition: LeafBuffer.h:36
bool isExactlyEqual(const T0 &a, const T1 &b)
Return true if a is exactly equal to b.
Definition: Math.h:443
bool isOutOfCore() const
Return true if this buffer's values have not yet been read from disk.
Definition: LeafBuffer.h:71
Array of fixed size 23Log2Dim that stores the voxel values of a LeafNode.
Definition: LeafBuffer.h:30
WordType StorageType
Definition: LeafBuffer.h:473
const ValueType & operator[](Index i) const
Return a const reference to the i'th element of this buffer.
Definition: LeafBuffer.h:90
std::shared_ptr< T > SharedPtr
Definition: Types.h:114
void setValue(Index i, const ValueType &)
Set the i'th value of this buffer to the specified value.
Definition: LeafBuffer.h:232
LeafBuffer(const NodeMaskType &other)
Definition: LeafBuffer.h:483
const bool & getValue(Index i) const
Definition: LeafBuffer.h:489
Index memUsageIfLoaded() const
Definition: LeafBuffer.h:506
void readCompressedValues(std::istream &is, ValueT *destBuf, Index destCount, const MaskT &valueMask, bool fromHalf)
Definition: Compression.h:465
Index64 Word
Definition: NodeMasks.h:316
bool operator!=(const LeafBuffer &other) const
Definition: LeafBuffer.h:499
bool operator==(const LeafBuffer &other) const
Definition: LeafBuffer.h:498
void fill(bool val)
Definition: LeafBuffer.h:486
LeafBuffer()
Default constructor.
Definition: LeafBuffer.h:50
void swap(LeafBuffer &other)
Definition: LeafBuffer.h:503
~LeafBuffer()
Destructor.
Definition: LeafBuffer.h:190
bool empty() const
Return true if memory for this buffer has not yet been allocated.
Definition: LeafBuffer.h:80
static Index size()
Definition: LeafBuffer.h:507
bool allocate()
Allocate memory for this buffer if it has not already been allocated.
Definition: LeafBuffer.h:82
Templated block class to hold specific data types and a fixed number of values determined by Log2Dim...
Definition: LeafNode.h:37
static const Index32 WORD_COUNT
Definition: NodeMasks.h:315
const ValueType * data() const
Return a const pointer to the array of voxel values.
Definition: LeafBuffer.h:346
OPENVDB_API bool getHalfFloat(std::ios_base &)
Return true if floating-point values should be quantized to 16 bits when writing to the given stream ...
Index memUsage() const
Return the memory footprint of this buffer in bytes.
Definition: LeafBuffer.h:319
ValueType StorageType
Definition: LeafBuffer.h:34
#define OPENVDB_USE_DELAYED_LOADING
Definition: version.h.in:143
Definition: Exceptions.h:13
LeafBuffer & operator=(const LeafBuffer &)
Copy the other buffer's values into this buffer.
Definition: LeafBuffer.h:242
~LeafBuffer()
Definition: LeafBuffer.h:485
WordType * data()
Return a pointer to the C-style array of words encoding the bits.
Definition: LeafBuffer.h:511
Index32 Index
Definition: Types.h:54
OPENVDB_API void setStreamMetadataPtr(std::ios_base &, SharedPtr< StreamMetadata > &, bool transfer=true)
Associate the given stream with (a shared pointer to) an object that stores metadata (file format...
ValueType ValueType
Definition: LeafBuffer.h:33
void fill(const ValueType &)
Populate this buffer with a constant value.
Definition: LeafBuffer.h:274
typename NodeMaskType::Word WordType
Definition: LeafBuffer.h:471
Index memUsage() const
Definition: LeafBuffer.h:505
LeafBuffer & operator=(const LeafBuffer &b)
Definition: LeafBuffer.h:487
bool operator!=(const LeafBuffer &other) const
Return true if the contents of the other buffer are not exactly equal to the contents of this buffer...
Definition: LeafBuffer.h:102
void swap(LeafBuffer &)
Exchange this buffer's values with the other buffer's values.
Definition: LeafBuffer.h:302
Bit mask for the internal and leaf nodes of VDB. This is a 64-bit implementation. ...
Definition: NodeMasks.h:307
static Index size()
Return the number of values contained in this buffer.
Definition: LeafBuffer.h:111
bool ValueType
Definition: LeafBuffer.h:472
bool operator==(const LeafBuffer &) const
Return true if the contents of the other buffer exactly equal the contents of this buffer...
Definition: LeafBuffer.h:287
LeafBuffer(PartialCreate, const ValueType &)
Construct a buffer but don't allocate memory for the full array of values.
Definition: LeafBuffer.h:61
const bool & operator[](Index i) const
Definition: LeafBuffer.h:496
void setValue(Index i, bool val)
Definition: LeafBuffer.h:501
const WordType * data() const
Return a const pointer to the C-style array of words encoding the bits.
Definition: LeafBuffer.h:514
LeafBuffer()
Definition: LeafBuffer.h:481
#define OPENVDB_VERSION_NAME
The version namespace name for this library version.
Definition: version.h.in:121
void load(std::istream &is)
Definition: NodeMasks.h:569
Index memUsageIfLoaded() const
Definition: LeafBuffer.h:336
bool operator==(const Vec3< T0 > &v0, const Vec3< T1 > &v1)
Equality operator, does exact floating point comparisons.
Definition: Vec3.h:473
#define OPENVDB_USE_VERSION_NAMESPACE
Definition: version.h.in:212
Tag dispatch class that distinguishes constructors during file input.
Definition: Types.h:689
LeafBuffer(bool on)
Definition: LeafBuffer.h:482
const ValueType & getValue(Index i) const
Return a const reference to the i'th element of this buffer.
Definition: LeafBuffer.h:88