282 lines
9.3 KiB
C++
282 lines
9.3 KiB
C++
// Copyright 2009-2020 Intel Corporation
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
#pragma once
|
|
|
|
#include "buffer.h"
|
|
#include "default.h"
|
|
#include "geometry.h"
|
|
|
|
namespace embree
|
|
{
|
|
/*! represents an array of points */
|
|
struct Points : public Geometry
|
|
{
|
|
/*! type of this geometry */
|
|
static const Geometry::GTypeMask geom_type = Geometry::MTY_POINTS;
|
|
|
|
public:
|
|
/*! line segments construction */
|
|
Points(Device* device, Geometry::GType gtype);
|
|
|
|
public:
|
|
void setMask(unsigned mask);
|
|
void setNumTimeSteps(unsigned int numTimeSteps);
|
|
void setVertexAttributeCount(unsigned int N);
|
|
void setBuffer(RTCBufferType type,
|
|
unsigned int slot,
|
|
RTCFormat format,
|
|
const Ref<Buffer>& buffer,
|
|
size_t offset,
|
|
size_t stride,
|
|
unsigned int num);
|
|
void* getBuffer(RTCBufferType type, unsigned int slot);
|
|
void updateBuffer(RTCBufferType type, unsigned int slot);
|
|
void commit();
|
|
bool verify();
|
|
void setMaxRadiusScale(float s);
|
|
void addElementsToCount (GeometryCounts & counts) const;
|
|
|
|
public:
|
|
/*! returns the number of vertices */
|
|
__forceinline size_t numVertices() const {
|
|
return vertices[0].size();
|
|
}
|
|
|
|
/*! returns i'th vertex of the first time step */
|
|
__forceinline Vec3ff vertex(size_t i) const {
|
|
return vertices0[i];
|
|
}
|
|
|
|
/*! returns i'th vertex of the first time step */
|
|
__forceinline const char* vertexPtr(size_t i) const {
|
|
return vertices0.getPtr(i);
|
|
}
|
|
|
|
/*! returns i'th normal of the first time step */
|
|
__forceinline Vec3fa normal(size_t i) const {
|
|
return normals0[i];
|
|
}
|
|
|
|
/*! returns i'th radius of the first time step */
|
|
__forceinline float radius(size_t i) const {
|
|
return vertices0[i].w;
|
|
}
|
|
|
|
/*! returns i'th vertex of itime'th timestep */
|
|
__forceinline Vec3ff vertex(size_t i, size_t itime) const {
|
|
return vertices[itime][i];
|
|
}
|
|
|
|
/*! returns i'th vertex of itime'th timestep */
|
|
__forceinline const char* vertexPtr(size_t i, size_t itime) const {
|
|
return vertices[itime].getPtr(i);
|
|
}
|
|
|
|
/*! returns i'th normal of itime'th timestep */
|
|
__forceinline Vec3fa normal(size_t i, size_t itime) const {
|
|
return normals[itime][i];
|
|
}
|
|
|
|
/*! returns i'th radius of itime'th timestep */
|
|
__forceinline float radius(size_t i, size_t itime) const {
|
|
return vertices[itime][i].w;
|
|
}
|
|
|
|
/*! calculates bounding box of i'th line segment */
|
|
__forceinline BBox3fa bounds(const Vec3ff& v0) const {
|
|
return enlarge(BBox3fa(v0), maxRadiusScale*Vec3fa(v0.w));
|
|
}
|
|
|
|
/*! calculates bounding box of i'th line segment */
|
|
__forceinline BBox3fa bounds(size_t i) const
|
|
{
|
|
const Vec3ff v0 = vertex(i);
|
|
return bounds(v0);
|
|
}
|
|
|
|
/*! calculates bounding box of i'th line segment for the itime'th time step */
|
|
__forceinline BBox3fa bounds(size_t i, size_t itime) const
|
|
{
|
|
const Vec3ff v0 = vertex(i, itime);
|
|
return bounds(v0);
|
|
}
|
|
|
|
/*! calculates bounding box of i'th line segment */
|
|
__forceinline BBox3fa bounds(const LinearSpace3fa& space, size_t i) const
|
|
{
|
|
const Vec3ff v0 = vertex(i);
|
|
const Vec3ff w0(xfmVector(space, (Vec3fa)v0), v0.w);
|
|
return bounds(w0);
|
|
}
|
|
|
|
/*! calculates bounding box of i'th line segment for the itime'th time step */
|
|
__forceinline BBox3fa bounds(const LinearSpace3fa& space, size_t i, size_t itime) const
|
|
{
|
|
const Vec3ff v0 = vertex(i, itime);
|
|
const Vec3ff w0(xfmVector(space, (Vec3fa)v0), v0.w);
|
|
return bounds(w0);
|
|
}
|
|
|
|
/*! check if the i'th primitive is valid at the itime'th timestep */
|
|
__forceinline bool valid(size_t i, size_t itime) const {
|
|
return valid(i, make_range(itime, itime));
|
|
}
|
|
|
|
/*! check if the i'th primitive is valid between the specified time range */
|
|
__forceinline bool valid(size_t i, const range<size_t>& itime_range) const
|
|
{
|
|
const unsigned int index = (unsigned int)i;
|
|
if (index >= numVertices())
|
|
return false;
|
|
|
|
for (size_t itime = itime_range.begin(); itime <= itime_range.end(); itime++) {
|
|
const Vec3ff v0 = vertex(index + 0, itime);
|
|
if (unlikely(!isvalid4(v0)))
|
|
return false;
|
|
if (v0.w < 0.0f)
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/*! calculates the linear bounds of the i'th primitive at the itimeGlobal'th time segment */
|
|
__forceinline LBBox3fa linearBounds(size_t i, size_t itime) const {
|
|
return LBBox3fa(bounds(i, itime + 0), bounds(i, itime + 1));
|
|
}
|
|
|
|
/*! calculates the build bounds of the i'th primitive, if it's valid */
|
|
__forceinline bool buildBounds(size_t i, BBox3fa* bbox) const
|
|
{
|
|
if (!valid(i, 0))
|
|
return false;
|
|
*bbox = bounds(i);
|
|
return true;
|
|
}
|
|
|
|
/*! calculates the build bounds of the i'th primitive at the itime'th time segment, if it's valid */
|
|
__forceinline bool buildBounds(size_t i, size_t itime, BBox3fa& bbox) const
|
|
{
|
|
if (!valid(i, itime + 0) || !valid(i, itime + 1))
|
|
return false;
|
|
bbox = bounds(i, itime); // use bounds of first time step in builder
|
|
return true;
|
|
}
|
|
|
|
/*! calculates the linear bounds of the i'th primitive for the specified time range */
|
|
__forceinline LBBox3fa linearBounds(size_t primID, const BBox1f& dt) const {
|
|
return LBBox3fa([&](size_t itime) { return bounds(primID, itime); }, dt, time_range, fnumTimeSegments);
|
|
}
|
|
|
|
/*! calculates the linear bounds of the i'th primitive for the specified time range */
|
|
__forceinline LBBox3fa linearBounds(const LinearSpace3fa& space, size_t primID, const BBox1f& dt) const {
|
|
return LBBox3fa([&](size_t itime) { return bounds(space, primID, itime); }, dt, time_range, fnumTimeSegments);
|
|
}
|
|
|
|
/*! calculates the linear bounds of the i'th primitive for the specified time range */
|
|
__forceinline bool linearBounds(size_t i, const BBox1f& time_range, LBBox3fa& bbox) const
|
|
{
|
|
if (!valid(i, timeSegmentRange(time_range))) return false;
|
|
bbox = linearBounds(i, time_range);
|
|
return true;
|
|
}
|
|
|
|
/*! get fast access to first vertex buffer */
|
|
__forceinline float * getCompactVertexArray () const {
|
|
return (float*) vertices0.getPtr();
|
|
}
|
|
|
|
public:
|
|
BufferView<Vec3ff> vertices0; //!< fast access to first vertex buffer
|
|
BufferView<Vec3fa> normals0; //!< fast access to first normal buffer
|
|
vector<BufferView<Vec3ff>> vertices; //!< vertex array for each timestep
|
|
vector<BufferView<Vec3fa>> normals; //!< normal array for each timestep
|
|
vector<BufferView<char>> vertexAttribs; //!< user buffers
|
|
float maxRadiusScale = 1.0; //!< maximal min-width scaling of curve radii
|
|
};
|
|
|
|
namespace isa
|
|
{
|
|
struct PointsISA : public Points
|
|
{
|
|
PointsISA(Device* device, Geometry::GType gtype) : Points(device, gtype) {}
|
|
|
|
Vec3fa computeDirection(unsigned int primID) const
|
|
{
|
|
return Vec3fa(1, 0, 0);
|
|
}
|
|
|
|
Vec3fa computeDirection(unsigned int primID, size_t time) const
|
|
{
|
|
return Vec3fa(1, 0, 0);
|
|
}
|
|
|
|
PrimInfo createPrimRefArray(mvector<PrimRef>& prims, const range<size_t>& r, size_t k, unsigned int geomID) const
|
|
{
|
|
PrimInfo pinfo(empty);
|
|
for (size_t j = r.begin(); j < r.end(); j++) {
|
|
BBox3fa bounds = empty;
|
|
if (!buildBounds(j, &bounds))
|
|
continue;
|
|
const PrimRef prim(bounds, geomID, unsigned(j));
|
|
pinfo.add_center2(prim);
|
|
prims[k++] = prim;
|
|
}
|
|
return pinfo;
|
|
}
|
|
|
|
PrimInfo createPrimRefArrayMB(mvector<PrimRef>& prims, size_t itime, const range<size_t>& r, size_t k, unsigned int geomID) const
|
|
{
|
|
PrimInfo pinfo(empty);
|
|
for (size_t j = r.begin(); j < r.end(); j++) {
|
|
BBox3fa bounds = empty;
|
|
if (!buildBounds(j, itime, bounds))
|
|
continue;
|
|
const PrimRef prim(bounds, geomID, unsigned(j));
|
|
pinfo.add_center2(prim);
|
|
prims[k++] = prim;
|
|
}
|
|
return pinfo;
|
|
}
|
|
|
|
PrimInfoMB createPrimRefMBArray(mvector<PrimRefMB>& prims,
|
|
const BBox1f& t0t1,
|
|
const range<size_t>& r,
|
|
size_t k,
|
|
unsigned int geomID) const
|
|
{
|
|
PrimInfoMB pinfo(empty);
|
|
for (size_t j = r.begin(); j < r.end(); j++) {
|
|
if (!valid(j, timeSegmentRange(t0t1)))
|
|
continue;
|
|
const PrimRefMB prim(linearBounds(j, t0t1), this->numTimeSegments(), this->time_range, this->numTimeSegments(), geomID, unsigned(j));
|
|
pinfo.add_primref(prim);
|
|
prims[k++] = prim;
|
|
}
|
|
return pinfo;
|
|
}
|
|
|
|
BBox3fa vbounds(size_t i) const
|
|
{
|
|
return bounds(i);
|
|
}
|
|
|
|
BBox3fa vbounds(const LinearSpace3fa& space, size_t i) const
|
|
{
|
|
return bounds(space, i);
|
|
}
|
|
|
|
LBBox3fa vlinearBounds(size_t primID, const BBox1f& time_range) const
|
|
{
|
|
return linearBounds(primID, time_range);
|
|
}
|
|
|
|
LBBox3fa vlinearBounds(const LinearSpace3fa& space, size_t primID, const BBox1f& time_range) const
|
|
{
|
|
return linearBounds(space, primID, time_range);
|
|
}
|
|
};
|
|
} // namespace isa
|
|
|
|
DECLARE_ISA_FUNCTION(Points*, createPoints, Device* COMMA Geometry::GType);
|
|
} // namespace embree
|