Revision control
++ // 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->getPtr()) + 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::getBuffer(RTCBufferType type, unsigned int slot)
++ {
++ if (type == RTC_BUFFER_TYPE_VERTEX) {
++ if (slot >= vertices.size())
++ throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "invalid buffer slot");
++ return vertices[slot].getPtr();
++ } else if (type == RTC_BUFFER_TYPE_NORMAL) {
++ if (slot >= normals.size())
++ throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "invalid buffer slot");
++ return normals[slot].getPtr();
++ } 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();
++ } 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");
++
++ for (const 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");
++
++ 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;
++ }
++ #endif
++
++ namespace isa
++ {
++ Points* createPoints(Device* device, Geometry::GType gtype)
++ {
++ return new PointsISA(device, gtype);
++ }
++ } // namespace isa
++ } // namespace embree