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// Copyright 2009-2021 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#include "scene_points.h"
#include "scene.h"
namespace embree
{
#if defined(EMBREE_LOWEST_ISA)
Points::Points(Device* device, Geometry::GType gtype) : Geometry(device, gtype, 0, 1)
{
vertices.resize(numTimeSteps);
if (getType() == GTY_ORIENTED_DISC_POINT)
normals.resize(numTimeSteps);
}
void Points::setMask(unsigned mask)
{
this->mask = mask;
Geometry::update();
}
void Points::setNumTimeSteps(unsigned int numTimeSteps)
{
vertices.resize(numTimeSteps);
if (getType() == GTY_ORIENTED_DISC_POINT)
normals.resize(numTimeSteps);
Geometry::setNumTimeSteps(numTimeSteps);
}
void Points::setVertexAttributeCount(unsigned int N)
{
vertexAttribs.resize(N);
Geometry::update();
}
void Points::setBuffer(RTCBufferType type,
unsigned int slot,
RTCFormat format,
const Ref<Buffer>& buffer,
size_t offset,
size_t stride,
unsigned int num)
{
/* verify that all accesses are 4 bytes aligned */
if ((type != RTC_BUFFER_TYPE_FLAGS) && (((size_t(buffer->getHostPtr()) + offset) & 0x3) || (stride & 0x3)))
throw_RTCError(RTC_ERROR_INVALID_OPERATION, "data must be 4 bytes aligned");
if (type == RTC_BUFFER_TYPE_VERTEX) {
if (format != RTC_FORMAT_FLOAT4)
throw_RTCError(RTC_ERROR_INVALID_OPERATION, "invalid vertex buffer format");
if (slot >= vertices.size())
throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "invalid vertex buffer slot");
vertices[slot].set(buffer, offset, stride, num, format);
vertices[slot].checkPadding16();
setNumPrimitives(num);
} else if (type == RTC_BUFFER_TYPE_NORMAL) {
if (getType() != GTY_ORIENTED_DISC_POINT)
throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "unknown buffer type");
if (format != RTC_FORMAT_FLOAT3)
throw_RTCError(RTC_ERROR_INVALID_OPERATION, "invalid normal buffer format");
if (slot >= normals.size())
throw_RTCError(RTC_ERROR_INVALID_OPERATION, "invalid normal buffer slot");
normals[slot].set(buffer, offset, stride, num, format);
normals[slot].checkPadding16();
} else if (type == RTC_BUFFER_TYPE_VERTEX_ATTRIBUTE) {
if (format < RTC_FORMAT_FLOAT || format > RTC_FORMAT_FLOAT16)
throw_RTCError(RTC_ERROR_INVALID_OPERATION, "invalid vertex attribute buffer format");
if (slot >= vertexAttribs.size())
throw_RTCError(RTC_ERROR_INVALID_OPERATION, "invalid vertex attribute buffer slot");
vertexAttribs[slot].set(buffer, offset, stride, num, format);
vertexAttribs[slot].checkPadding16();
} else
throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "unknown buffer type");
}
void* Points::getBufferData(RTCBufferType type, unsigned int slot, BufferDataPointerType pointerType)
{
if (type == RTC_BUFFER_TYPE_VERTEX) {
if (slot >= vertices.size())
throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "invalid buffer slot");
return vertices[slot].getPtr(pointerType);
} else if (type == RTC_BUFFER_TYPE_NORMAL) {
if (slot >= normals.size())
throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "invalid buffer slot");
return normals[slot].getPtr(pointerType);
} else if (type == RTC_BUFFER_TYPE_VERTEX_ATTRIBUTE) {
if (slot >= vertexAttribs.size())
throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "invalid buffer slot");
return vertexAttribs[slot].getPtr(pointerType);
} else {
throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "unknown buffer type");
return nullptr;
}
}
void Points::updateBuffer(RTCBufferType type, unsigned int slot)
{
if (type == RTC_BUFFER_TYPE_VERTEX) {
if (slot >= vertices.size())
throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "invalid buffer slot");
vertices[slot].setModified();
} else if (type == RTC_BUFFER_TYPE_NORMAL) {
if (slot >= normals.size())
throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "invalid buffer slot");
normals[slot].setModified();
} else if (type == RTC_BUFFER_TYPE_VERTEX_ATTRIBUTE) {
if (slot >= vertexAttribs.size())
throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "invalid buffer slot");
vertexAttribs[slot].setModified();
} else {
throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "unknown buffer type");
}
Geometry::update();
}
void Points::setMaxRadiusScale(float s) {
maxRadiusScale = s;
}
void Points::commit()
{
/* verify that stride of all time steps are identical */
for (unsigned int t = 0; t < numTimeSteps; t++) {
if (vertices[t].getStride() != vertices[0].getStride())
throw_RTCError(RTC_ERROR_INVALID_OPERATION, "stride of vertex buffers have to be identical for each time step");
vertices[t].buffer->commitIfNeeded();
}
for (auto& buffer : normals) {
if (buffer.getStride() != normals[0].getStride())
throw_RTCError(RTC_ERROR_INVALID_OPERATION, "stride of normal buffers have to be identical for each time step");
buffer.buffer->commitIfNeeded();
}
vertices0 = vertices[0];
if (getType() == GTY_ORIENTED_DISC_POINT)
normals0 = normals[0];
Geometry::commit();
}
void Points::addElementsToCount (GeometryCounts & counts) const
{
if (numTimeSteps == 1)
counts.numPoints += numPrimitives;
else
counts.numMBPoints += numPrimitives;
}
bool Points::verify()
{
/*! verify consistent size of vertex arrays */
if (vertices.size() == 0)
return false;
for (const auto& buffer : vertices)
if (buffer.size() != numVertices())
return false;
if (getType() == GTY_ORIENTED_DISC_POINT) {
if (normals.size() == 0)
return false;
for (const auto& buffer : normals)
if (vertices[0].size() != buffer.size())
return false;
} else {
if (normals.size())
return false;
}
/*! verify vertices */
for (const auto& buffer : vertices) {
for (size_t i = 0; i < buffer.size(); i++) {
if (!isvalid(buffer[i].x))
return false;
if (!isvalid(buffer[i].y))
return false;
if (!isvalid(buffer[i].z))
return false;
if (!isvalid(buffer[i].w))
return false;
}
}
return true;
}
size_t Points::getGeometryDataDeviceByteSize() const {
size_t byte_size = sizeof(Points);
if (vertices.size() > 0)
byte_size += numTimeSteps * sizeof(BufferView<Vec3ff>);
if (normals.size() > 0)
byte_size += numTimeSteps * sizeof(BufferView<Vec3fa>);
return 16 * ((byte_size + 15) / 16);
}
void Points::convertToDeviceRepresentation(size_t offset, char* data_host, char* data_device) const {
Points* points = (Points*)(data_host + offset);
std::memcpy(data_host + offset, (void*)this, sizeof(Points));
offset += sizeof(Points);
if (vertices.size() > 0) {
const size_t offsetVertices = offset;
for (size_t t = 0; t < numTimeSteps; ++t) {
std::memcpy(data_host + offset, &(vertices[t]), sizeof(BufferView<Vec3ff>));
offset += sizeof(BufferView<Vec3ff>);
}
points->vertices.setDataPtr((BufferView<Vec3ff>*)(data_device + offsetVertices));
}
if (normals.size() > 0) {
const size_t offsetNormals = offset;
for (size_t t = 0; t < numTimeSteps; ++t) {
std::memcpy(data_host + offset, &(normals[t]), sizeof(BufferView<Vec3fa>));
offset += sizeof(BufferView<Vec3fa>);
}
points->normals.setDataPtr((BufferView<Vec3fa>*)(data_device + offsetNormals));
}
}
#endif
namespace isa
{
Points* createPoints(Device* device, Geometry::GType gtype)
{
return new PointsISA(device, gtype);
}
} // namespace isa
} // namespace embree
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