24#ifndef PXR_IMAGING_HD_TIME_SAMPLE_ARRAY_H
25#define PXR_IMAGING_HD_TIME_SAMPLE_ARRAY_H
28#include "pxr/imaging/hd/api.h"
29#include "pxr/imaging/hd/version.h"
31#include "pxr/base/vt/value.h"
37PXR_NAMESPACE_OPEN_SCOPE
41inline T HdResampleNeighbors(
float alpha,
const T& v0,
const T& v1)
43 return GfLerp(alpha, v0, v1);
48inline GfQuatf HdResampleNeighbors(
float alpha,
52 return GfSlerp(
double(alpha), v0, v1);
57inline VtArray<T> HdResampleNeighbors(
float alpha,
62 for (
size_t i=0; i < r.size(); ++i) {
63 r[i] = HdResampleNeighbors(alpha, v0[i], v1[i]);
77T HdResampleRawTimeSamples(
83 if (numSamples == 0) {
89 for (; i < numSamples; ++i) {
101 }
else if (i == numSamples) {
103 return vs[numSamples-1];
104 }
else if (us[i] == us[i-1]) {
107 TF_WARN(
"HdResampleRawTimeSamples: overlapping samples at %f; "
108 "using first sample", us[i]);
112 float alpha = (u-us[i-1]) / (us[i]-us[i-1]);
113 return HdResampleNeighbors(alpha, vs[i-1], vs[i]);
122std::pair<T, VtIntArray> HdResampleRawTimeSamples(
127 const VtIntArray *is)
129 if (numSamples == 0) {
131 return std::pair<T, VtIntArray>(T(), VtIntArray(0));
135 for (; i < numSamples; ++i) {
138 return std::pair<T, VtIntArray>(vs[i], is[i]);
146 return std::pair<T, VtIntArray>(vs[0], is[0]);
147 }
else if (i == numSamples) {
149 return std::pair<T, VtIntArray>(vs[numSamples-1], is[numSamples-1]);
150 }
else if (us[i] == us[i-1]) {
153 TF_WARN(
"HdResampleRawTimeSamples: overlapping samples at %f; "
154 "using first sample", us[i]);
155 return std::pair<T, VtIntArray>(vs[i-1], is[i-1]);
159 float alpha = (us[i]-u) / (us[i]-us[i-1]);
160 return std::pair<T, VtIntArray>(
161 HdResampleNeighbors(alpha, vs[i-1], vs[i]),
171template<
typename TYPE,
unsigned int CAPACITY>
194 virtual void Resize(
unsigned int newSize) {
203 return HdResampleRawTimeSamples(u, count, times.
data(), values.
data());
214 for (
size_t i=0; i < box.count; ++i) {
215 if (box.values[i].template IsHolding<TYPE>() &&
216 box.values[i].GetArraySize() > 0) {
217 values[i] = box.values[i].template Get<TYPE>();
233template<
typename TYPE,
unsigned int CAPACITY>
242 indices = rhs.indices;
247 this->times = rhs.times;
248 this->values = rhs.values;
249 this->count = rhs.count;
250 indices = rhs.indices;
255 void Resize(
unsigned int newSize)
override {
263 return HdResampleRawTimeSamples(u, this->count, this->times.
data(),
264 this->values.data(), indices.
data());
274 this->times = box.times;
275 indices = box.indices;
276 for (
size_t i=0; i < box.count; ++i) {
277 if (box.values[i].template IsHolding<TYPE>() &&
278 box.values[i].GetArraySize() > 0) {
279 this->values[i] = box.values[i].template Get<TYPE>();
281 this->values[i] = TYPE();
291PXR_NAMESPACE_CLOSE_SCOPE
Low-level utilities for informing users of various internal and external diagnostic conditions.
Basic type: a quaternion, a complex number with a real coefficient and three imaginary coefficients,...
This is a small-vector class with local storage optimization, the local storage can be specified via ...
void resize(size_type newSize, const value_type &v=value_type())
Resize the vector to newSize and insert copies of \v.
value_type * data()
Direct access to the underlying array.
Represents an arbitrary dimensional rectangular container class.
Provides a container which may hold any type, and provides introspection and iteration over array typ...
Assorted mathematical utility functions.
size_t size() const
Return the total number of elements in this array.
T GfLerp(double alpha, const T &a, const T &b)
Linear interpolation function.
#define TF_CODING_ERROR(fmt, args)
Issue an internal programming error, but continue execution.
#define TF_WARN(...)
Issue a warning, but continue execution.
GF_API GfQuatd GfSlerp(double alpha, const GfQuatd &q0, const GfQuatd &q1)
Spherically linearly interpolate between q0 and q1.
An array of a value and its indices sampled over time, in struct-of-arrays layout.
void Resize(unsigned int newSize) override
Resize the internal buffers.
std::pair< TYPE, VtIntArray > ResampleIndexed(float u) const
Convience method for invoking HdResampleRawTimeSamples on this HdIndexedTimeSampleArray.
bool UnboxFrom(HdIndexedTimeSampleArray< VtValue, CAPACITY > const &box)
Unbox an HdIndexedTimeSampleArray holding boxed VtValue<VtArray<T>> samples into an array holding VtA...
An array of a value sampled over time, in struct-of-arrays layout.
TYPE Resample(float u) const
Convience method for invoking HdResampleRawTimeSamples on this HdTimeSampleArray.
bool UnboxFrom(HdTimeSampleArray< VtValue, CAPACITY > const &box)
Unbox an HdTimeSampleArray holding boxed VtValue<VtArray<T>> samples into an array holding VtArray<T>...
virtual void Resize(unsigned int newSize)
Resize the internal buffers.