623 lines
23 KiB
C++
623 lines
23 KiB
C++
// Copyright 2009-2021 Intel Corporation
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// SPDX-License-Identifier: Apache-2.0
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#include "scene_curves.h"
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#include "scene.h"
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namespace embree
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{
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#if defined(EMBREE_LOWEST_ISA)
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void CurveGeometry::resizeBuffers(unsigned int numSteps)
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{
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vertices.resize(numSteps);
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if (getCurveType() == GTY_SUBTYPE_ORIENTED_CURVE)
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{
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normals.resize(numSteps);
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if (getCurveBasis() == GTY_BASIS_HERMITE)
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dnormals.resize(numSteps);
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}
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if (getCurveBasis() == GTY_BASIS_HERMITE)
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tangents.resize(numSteps);
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}
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CurveGeometry::CurveGeometry (Device* device, GType gtype)
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: Geometry(device,gtype,0,1), tessellationRate(4)
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{
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resizeBuffers(numTimeSteps);
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}
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void CurveGeometry::setMask (unsigned mask)
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{
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this->mask = mask;
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Geometry::update();
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}
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void CurveGeometry::setNumTimeSteps (unsigned int numTimeSteps)
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{
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resizeBuffers(numTimeSteps);
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Geometry::setNumTimeSteps(numTimeSteps);
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}
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void CurveGeometry::setVertexAttributeCount (unsigned int N)
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{
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vertexAttribs.resize(N);
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Geometry::update();
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}
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void CurveGeometry::setBuffer(RTCBufferType type, unsigned int slot, RTCFormat format, const Ref<Buffer>& buffer, size_t offset, size_t stride, unsigned int num)
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{
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/* verify that all accesses are 4 bytes aligned */
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if ((type != RTC_BUFFER_TYPE_FLAGS) && (((size_t(buffer->getPtr()) + offset) & 0x3) || (stride & 0x3)))
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throw_RTCError(RTC_ERROR_INVALID_OPERATION, "data must be 4 bytes aligned");
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if (type == RTC_BUFFER_TYPE_VERTEX)
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{
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if (format != RTC_FORMAT_FLOAT4)
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throw_RTCError(RTC_ERROR_INVALID_OPERATION, "invalid vertex buffer format");
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if (slot >= vertices.size())
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throw_RTCError(RTC_ERROR_INVALID_OPERATION, "invalid vertex buffer slot");
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vertices[slot].set(buffer, offset, stride, num, format);
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vertices[slot].checkPadding16();
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}
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else if (type == RTC_BUFFER_TYPE_NORMAL)
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{
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if (getCurveType() != GTY_SUBTYPE_ORIENTED_CURVE)
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throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "unknown buffer type");
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if (format != RTC_FORMAT_FLOAT3)
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throw_RTCError(RTC_ERROR_INVALID_OPERATION, "invalid normal buffer format");
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if (slot >= normals.size())
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throw_RTCError(RTC_ERROR_INVALID_OPERATION, "invalid normal buffer slot");
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normals[slot].set(buffer, offset, stride, num, format);
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normals[slot].checkPadding16();
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}
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else if (type == RTC_BUFFER_TYPE_TANGENT)
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{
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if (getCurveBasis() != GTY_BASIS_HERMITE)
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throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "unknown buffer type");
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if (format != RTC_FORMAT_FLOAT4)
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throw_RTCError(RTC_ERROR_INVALID_OPERATION, "invalid tangent buffer format");
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if (slot >= tangents.size())
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throw_RTCError(RTC_ERROR_INVALID_OPERATION, "invalid tangent buffer slot");
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tangents[slot].set(buffer, offset, stride, num, format);
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tangents[slot].checkPadding16();
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}
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else if (type == RTC_BUFFER_TYPE_NORMAL_DERIVATIVE)
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{
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if (getCurveType() != GTY_SUBTYPE_ORIENTED_CURVE)
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throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "unknown buffer type");
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if (format != RTC_FORMAT_FLOAT3)
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throw_RTCError(RTC_ERROR_INVALID_OPERATION, "invalid normal derivative buffer format");
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if (slot >= dnormals.size())
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throw_RTCError(RTC_ERROR_INVALID_OPERATION, "invalid normal derivative buffer slot");
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dnormals[slot].set(buffer, offset, stride, num, format);
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dnormals[slot].checkPadding16();
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}
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else if (type == RTC_BUFFER_TYPE_VERTEX_ATTRIBUTE)
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{
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if (format < RTC_FORMAT_FLOAT || format > RTC_FORMAT_FLOAT16)
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throw_RTCError(RTC_ERROR_INVALID_OPERATION, "invalid vertex attribute buffer format");
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if (slot >= vertexAttribs.size())
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throw_RTCError(RTC_ERROR_INVALID_OPERATION, "invalid vertex attribute buffer slot");
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vertexAttribs[slot].set(buffer, offset, stride, num, format);
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vertexAttribs[slot].checkPadding16();
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}
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else if (type == RTC_BUFFER_TYPE_INDEX)
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{
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if (slot != 0)
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throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "invalid buffer slot");
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if (format != RTC_FORMAT_UINT)
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throw_RTCError(RTC_ERROR_INVALID_OPERATION, "invalid index buffer format");
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curves.set(buffer, offset, stride, num, format);
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setNumPrimitives(num);
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}
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else if (type == RTC_BUFFER_TYPE_FLAGS)
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{
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if (slot != 0)
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throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "invalid buffer slot");
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if (format != RTC_FORMAT_UCHAR)
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throw_RTCError(RTC_ERROR_INVALID_OPERATION, "invalid flag buffer format");
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flags.set(buffer, offset, stride, num, format);
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}
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else
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throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "unknown buffer type");
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}
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void* CurveGeometry::getBuffer(RTCBufferType type, unsigned int slot)
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{
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if (type == RTC_BUFFER_TYPE_INDEX)
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{
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if (slot != 0)
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throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "invalid buffer slot");
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return curves.getPtr();
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}
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else if (type == RTC_BUFFER_TYPE_VERTEX)
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{
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if (slot >= vertices.size())
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throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "invalid buffer slot");
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return vertices[slot].getPtr();
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}
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else if (type == RTC_BUFFER_TYPE_NORMAL)
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{
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if (slot >= normals.size())
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throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "invalid buffer slot");
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return normals[slot].getPtr();
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}
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else if (type == RTC_BUFFER_TYPE_TANGENT)
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{
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if (slot >= tangents.size())
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throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "invalid buffer slot");
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return tangents[slot].getPtr();
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}
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else if (type == RTC_BUFFER_TYPE_NORMAL_DERIVATIVE)
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{
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if (slot >= dnormals.size())
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throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "invalid buffer slot");
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return dnormals[slot].getPtr();
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}
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else if (type == RTC_BUFFER_TYPE_VERTEX_ATTRIBUTE)
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{
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if (slot >= vertexAttribs.size())
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throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "invalid buffer slot");
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return vertexAttribs[slot].getPtr();
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}
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else if (type == RTC_BUFFER_TYPE_FLAGS)
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{
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if (slot != 0)
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throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "invalid buffer slot");
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return flags.getPtr();
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}
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else
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{
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throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "unknown buffer type");
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return nullptr;
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}
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}
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void CurveGeometry::updateBuffer(RTCBufferType type, unsigned int slot)
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{
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if (type == RTC_BUFFER_TYPE_INDEX)
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{
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if (slot != 0)
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throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "invalid buffer slot");
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curves.setModified();
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}
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else if (type == RTC_BUFFER_TYPE_VERTEX)
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{
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if (slot >= vertices.size())
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throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "invalid buffer slot");
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vertices[slot].setModified();
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}
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else if (type == RTC_BUFFER_TYPE_NORMAL)
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{
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if (slot >= normals.size())
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throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "invalid buffer slot");
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normals[slot].setModified();
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}
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else if (type == RTC_BUFFER_TYPE_TANGENT)
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{
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if (slot >= tangents.size())
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throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "invalid buffer slot");
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tangents[slot].setModified();
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}
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else if (type == RTC_BUFFER_TYPE_NORMAL_DERIVATIVE)
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{
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if (slot >= dnormals.size())
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throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "invalid buffer slot");
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dnormals[slot].setModified();
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}
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else if (type == RTC_BUFFER_TYPE_VERTEX_ATTRIBUTE)
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{
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if (slot >= vertexAttribs.size())
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throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "invalid buffer slot");
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vertexAttribs[slot].setModified();
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}
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else if (type == RTC_BUFFER_TYPE_FLAGS)
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{
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if (slot != 0)
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throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "invalid buffer slot");
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flags.setModified();
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}
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else
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{
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throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "unknown buffer type");
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}
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Geometry::update();
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}
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void CurveGeometry::setTessellationRate(float N) {
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tessellationRate = clamp((int)N,1,16);
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}
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void CurveGeometry::setMaxRadiusScale(float s) {
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maxRadiusScale = s;
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}
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void CurveGeometry::addElementsToCount (GeometryCounts & counts) const
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{
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if (numTimeSteps == 1) counts.numBezierCurves += numPrimitives;
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else counts.numMBBezierCurves += numPrimitives;
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}
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bool CurveGeometry::verify ()
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{
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/*! verify consistent size of vertex arrays */
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if (vertices.size() == 0)
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return false;
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for (const auto& buffer : vertices)
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if (vertices[0].size() != buffer.size())
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return false;
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if (getCurveType() == GTY_SUBTYPE_ORIENTED_CURVE)
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{
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if (!normals.size())
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return false;
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for (const auto& buffer : normals)
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if (vertices[0].size() != buffer.size())
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return false;
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if (getCurveBasis() == GTY_BASIS_HERMITE)
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{
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if (!dnormals.size())
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return false;
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for (const auto& buffer : dnormals)
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if (vertices[0].size() != buffer.size())
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return false;
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}
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else
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{
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if (dnormals.size())
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return false;
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}
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}
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else
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{
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if (normals.size())
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return false;
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}
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if (getCurveBasis() == GTY_BASIS_HERMITE)
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{
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if (!tangents.size())
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return false;
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for (const auto& buffer : tangents)
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if (vertices[0].size() != buffer.size())
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return false;
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}
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else
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{
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if (tangents.size())
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return false;
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}
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/*! verify indices */
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if (getCurveBasis() == GTY_BASIS_HERMITE)
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{
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for (unsigned int i=0; i<size(); i++) {
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if (curves[i]+1 >= numVertices()) return false;
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}
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}
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else
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{
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for (unsigned int i=0; i<numPrimitives; i++) {
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if (curves[i]+3 >= numVertices()) return false;
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}
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}
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/*! verify vertices */
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for (const auto& buffer : vertices) {
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for (size_t i=0; i<buffer.size(); i++) {
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if (!isvalid(buffer[i].x)) return false;
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if (!isvalid(buffer[i].y)) return false;
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if (!isvalid(buffer[i].z)) return false;
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if (!isvalid(buffer[i].w)) return false;
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}
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}
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return true;
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}
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void CurveGeometry::commit()
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{
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/* verify that stride of all time steps are identical */
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for (const auto& buffer : vertices)
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if (buffer.getStride() != vertices[0].getStride())
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throw_RTCError(RTC_ERROR_INVALID_OPERATION,"stride of vertex buffers have to be identical for each time step");
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for (const auto& buffer : normals)
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if (buffer.getStride() != normals[0].getStride())
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throw_RTCError(RTC_ERROR_INVALID_OPERATION,"stride of normal buffers have to be identical for each time step");
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for (const auto& buffer : tangents)
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if (buffer.getStride() != tangents[0].getStride())
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throw_RTCError(RTC_ERROR_INVALID_OPERATION,"stride of tangent buffers have to be identical for each time step");
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for (const auto& buffer : dnormals)
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if (buffer.getStride() != dnormals[0].getStride())
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throw_RTCError(RTC_ERROR_INVALID_OPERATION,"stride of normal derivative buffers have to be identical for each time step");
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vertices0 = vertices[0];
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if (getCurveType() == GTY_SUBTYPE_ORIENTED_CURVE)
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{
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normals0 = normals[0];
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if (getCurveBasis() == GTY_BASIS_HERMITE)
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dnormals0 = dnormals[0];
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}
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if (getCurveBasis() == GTY_BASIS_HERMITE)
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tangents0 = tangents[0];
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Geometry::commit();
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}
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#endif
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namespace isa
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{
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__forceinline BBox3fa enlarge_bounds(const BBox3fa& bounds)
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{
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const float size = reduce_max(max(abs(bounds.lower),abs(bounds.upper)));
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return enlarge(bounds,Vec3fa(4.0f*float(ulp)*size));
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}
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template<Geometry::GType ctype, template<template<typename Ty> class Curve> class CurveInterfaceT, template<typename Ty> class Curve>
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struct CurveGeometryISA : public CurveInterfaceT<Curve>
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{
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typedef Curve<Vec3ff> Curve3ff;
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typedef Curve<Vec3fa> Curve3fa;
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using CurveInterfaceT<Curve>::getCurveScaledRadius;
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using CurveInterfaceT<Curve>::getOrientedCurveScaledRadius;
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using CurveInterfaceT<Curve>::numTimeSteps;
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using CurveInterfaceT<Curve>::fnumTimeSegments;
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using CurveInterfaceT<Curve>::numTimeSegments;
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using CurveInterfaceT<Curve>::tessellationRate;
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using CurveInterfaceT<Curve>::valid;
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using CurveInterfaceT<Curve>::numVertices;
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using CurveInterfaceT<Curve>::vertexAttribs;
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using CurveInterfaceT<Curve>::vertices;
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using CurveInterfaceT<Curve>::curves;
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using CurveInterfaceT<Curve>::curve;
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using CurveInterfaceT<Curve>::radius;
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using CurveInterfaceT<Curve>::vertex;
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using CurveInterfaceT<Curve>::normal;
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CurveGeometryISA (Device* device, Geometry::GType gtype)
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: CurveInterfaceT<Curve>(device,gtype) {}
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LinearSpace3fa computeAlignedSpace(const size_t primID) const
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{
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Vec3fa axisz(0,0,1);
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Vec3fa axisy(0,1,0);
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const Curve3ff curve = getCurveScaledRadius(primID);
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const Vec3fa p0 = curve.begin();
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const Vec3fa p3 = curve.end();
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const Vec3fa d0 = curve.eval_du(0.0f);
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//const Vec3fa d1 = curve.eval_du(1.0f);
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const Vec3fa axisz_ = normalize(p3 - p0);
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const Vec3fa axisy_ = cross(axisz_,d0);
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if (sqr_length(p3-p0) > 1E-18f) {
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axisz = axisz_;
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axisy = axisy_;
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}
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if (sqr_length(axisy) > 1E-18) {
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axisy = normalize(axisy);
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Vec3fa axisx = normalize(cross(axisy,axisz));
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return LinearSpace3fa(axisx,axisy,axisz);
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}
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return frame(axisz);
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}
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LinearSpace3fa computeAlignedSpaceMB(const size_t primID, const BBox1f time_range) const
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{
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Vec3fa axisz(0,0,1);
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Vec3fa axisy(0,1,0);
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const range<int> tbounds = this->timeSegmentRange(time_range);
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if (tbounds.size() == 0) return frame(axisz);
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const size_t t = (tbounds.begin()+tbounds.end())/2;
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const Curve3ff curve = getCurveScaledRadius(primID,t);
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const Vec3fa p0 = curve.begin();
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const Vec3fa p3 = curve.end();
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const Vec3fa d0 = curve.eval_du(0.0f);
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//const Vec3fa d1 = curve.eval_du(1.0f);
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const Vec3fa axisz_ = normalize(p3 - p0);
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const Vec3fa axisy_ = cross(axisz_,d0);
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if (sqr_length(p3-p0) > 1E-18f) {
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axisz = axisz_;
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axisy = axisy_;
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}
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if (sqr_length(axisy) > 1E-18) {
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axisy = normalize(axisy);
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Vec3fa axisx = normalize(cross(axisy,axisz));
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return LinearSpace3fa(axisx,axisy,axisz);
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}
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return frame(axisz);
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}
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Vec3fa computeDirection(unsigned int primID) const
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{
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const Curve3ff c = getCurveScaledRadius(primID);
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const Vec3fa p0 = c.begin();
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const Vec3fa p3 = c.end();
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const Vec3fa axis1 = p3 - p0;
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return axis1;
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}
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Vec3fa computeDirection(unsigned int primID, size_t time) const
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{
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const Curve3ff c = getCurveScaledRadius(primID,time);
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const Vec3fa p0 = c.begin();
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const Vec3fa p3 = c.end();
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const Vec3fa axis1 = p3 - p0;
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return axis1;
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}
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/*! calculates bounding box of i'th bezier curve */
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__forceinline BBox3fa bounds(size_t i, size_t itime = 0) const
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{
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switch (ctype) {
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case Geometry::GTY_SUBTYPE_FLAT_CURVE: return enlarge_bounds(getCurveScaledRadius(i,itime).accurateFlatBounds(tessellationRate));
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case Geometry::GTY_SUBTYPE_ROUND_CURVE: return enlarge_bounds(getCurveScaledRadius(i,itime).accurateRoundBounds());
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case Geometry::GTY_SUBTYPE_ORIENTED_CURVE: return enlarge_bounds(getOrientedCurveScaledRadius(i,itime).accurateBounds());
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default: return empty;
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}
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}
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/*! calculates bounding box of i'th bezier curve */
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__forceinline BBox3fa bounds(const LinearSpace3fa& space, size_t i, size_t itime = 0) const
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{
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switch (ctype) {
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case Geometry::GTY_SUBTYPE_FLAT_CURVE: return enlarge_bounds(getCurveScaledRadius(space,i,itime).accurateFlatBounds(tessellationRate));
|
|
case Geometry::GTY_SUBTYPE_ROUND_CURVE: return enlarge_bounds(getCurveScaledRadius(space,i,itime).accurateRoundBounds());
|
|
case Geometry::GTY_SUBTYPE_ORIENTED_CURVE: return enlarge_bounds(getOrientedCurveScaledRadius(space,i,itime).accurateBounds());
|
|
default: return empty;
|
|
}
|
|
}
|
|
|
|
/*! calculates bounding box of i'th bezier curve */
|
|
__forceinline BBox3fa bounds(const Vec3fa& ofs, const float scale, const float r_scale0, const LinearSpace3fa& space, size_t i, size_t itime = 0) const
|
|
{
|
|
switch (ctype) {
|
|
case Geometry::GTY_SUBTYPE_FLAT_CURVE: return enlarge_bounds(getCurveScaledRadius(ofs,scale,r_scale0,space,i,itime).accurateFlatBounds(tessellationRate));
|
|
case Geometry::GTY_SUBTYPE_ROUND_CURVE: return enlarge_bounds(getCurveScaledRadius(ofs,scale,r_scale0,space,i,itime).accurateRoundBounds());
|
|
case Geometry::GTY_SUBTYPE_ORIENTED_CURVE: return enlarge_bounds(getOrientedCurveScaledRadius(ofs,scale,space,i,itime).accurateBounds());
|
|
default: return empty;
|
|
}
|
|
}
|
|
|
|
/*! 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, this->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, this->time_range, fnumTimeSegments);
|
|
}
|
|
|
|
/*! calculates the linear bounds of the i'th primitive for the specified time range */
|
|
__forceinline LBBox3fa linearBounds(const Vec3fa& ofs, const float scale, const float r_scale0, const LinearSpace3fa& space, size_t primID, const BBox1f& dt) const {
|
|
return LBBox3fa([&] (size_t itime) { return bounds(ofs, scale, r_scale0, space, primID, itime); }, dt, this->time_range, fnumTimeSegments);
|
|
}
|
|
|
|
PrimInfo createPrimRefArray(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++)
|
|
{
|
|
if (!valid(ctype, j, make_range<size_t>(0, numTimeSegments()))) continue;
|
|
const BBox3fa box = bounds(j);
|
|
const PrimRef prim(box,geomID,unsigned(j));
|
|
pinfo.add_center2(prim);
|
|
prims[k++] = prim;
|
|
}
|
|
return pinfo;
|
|
}
|
|
|
|
PrimInfo createPrimRefArrayMB(PrimRef* prims, const BBox1f& time_range, const range<size_t>& r, size_t k, unsigned int geomID) const
|
|
{
|
|
PrimInfo pinfo(empty);
|
|
const BBox1f t0t1 = BBox1f::intersect(this->time_range, time_range);
|
|
if (t0t1.empty()) return pinfo;
|
|
|
|
for (size_t j=r.begin(); j<r.end(); j++)
|
|
{
|
|
if (!valid(ctype, j, this->timeSegmentRange(t0t1))) continue;
|
|
const LBBox3fa lbounds = linearBounds(j,t0t1);
|
|
if (lbounds.bounds0.empty() || lbounds.bounds1.empty()) continue; // checks oriented curves with invalid normals which cause NaNs here
|
|
const PrimRef prim(lbounds.bounds(),geomID,unsigned(j));
|
|
pinfo.add_primref(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(ctype, j, this->timeSegmentRange(t0t1))) continue;
|
|
const LBBox3fa lbox = linearBounds(j,t0t1);
|
|
const PrimRefMB prim(lbox,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);
|
|
}
|
|
|
|
BBox3fa vbounds(const Vec3fa& ofs, const float scale, const float r_scale0, const LinearSpace3fa& space, size_t i, size_t itime = 0) const {
|
|
return bounds(ofs,scale,r_scale0,space,i,itime);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
LBBox3fa vlinearBounds(const Vec3fa& ofs, const float scale, const float r_scale0, const LinearSpace3fa& space, size_t primID, const BBox1f& time_range) const {
|
|
return linearBounds(ofs,scale,r_scale0,space,primID,time_range);
|
|
}
|
|
};
|
|
|
|
CurveGeometry* createCurves(Device* device, Geometry::GType gtype)
|
|
{
|
|
switch (gtype) {
|
|
case Geometry::GTY_ROUND_BEZIER_CURVE: return new CurveGeometryISA<Geometry::GTY_SUBTYPE_ROUND_CURVE,CurveGeometryInterface,BezierCurveT>(device,gtype);
|
|
case Geometry::GTY_FLAT_BEZIER_CURVE : return new CurveGeometryISA<Geometry::GTY_SUBTYPE_FLAT_CURVE,CurveGeometryInterface,BezierCurveT>(device,gtype);
|
|
case Geometry::GTY_ORIENTED_BEZIER_CURVE : return new CurveGeometryISA<Geometry::GTY_SUBTYPE_ORIENTED_CURVE,CurveGeometryInterface,BezierCurveT>(device,gtype);
|
|
|
|
case Geometry::GTY_ROUND_BSPLINE_CURVE: return new CurveGeometryISA<Geometry::GTY_SUBTYPE_ROUND_CURVE,CurveGeometryInterface,BSplineCurveT>(device,gtype);
|
|
case Geometry::GTY_FLAT_BSPLINE_CURVE : return new CurveGeometryISA<Geometry::GTY_SUBTYPE_FLAT_CURVE,CurveGeometryInterface,BSplineCurveT>(device,gtype);
|
|
case Geometry::GTY_ORIENTED_BSPLINE_CURVE : return new CurveGeometryISA<Geometry::GTY_SUBTYPE_ORIENTED_CURVE,CurveGeometryInterface,BSplineCurveT>(device,gtype);
|
|
|
|
case Geometry::GTY_ROUND_HERMITE_CURVE: return new CurveGeometryISA<Geometry::GTY_SUBTYPE_ROUND_CURVE,HermiteCurveGeometryInterface,HermiteCurveT>(device,gtype);
|
|
case Geometry::GTY_FLAT_HERMITE_CURVE : return new CurveGeometryISA<Geometry::GTY_SUBTYPE_FLAT_CURVE,HermiteCurveGeometryInterface,HermiteCurveT>(device,gtype);
|
|
case Geometry::GTY_ORIENTED_HERMITE_CURVE : return new CurveGeometryISA<Geometry::GTY_SUBTYPE_ORIENTED_CURVE,HermiteCurveGeometryInterface,HermiteCurveT>(device,gtype);
|
|
|
|
case Geometry::GTY_ROUND_CATMULL_ROM_CURVE: return new CurveGeometryISA<Geometry::GTY_SUBTYPE_ROUND_CURVE,CurveGeometryInterface,CatmullRomCurveT>(device,gtype);
|
|
case Geometry::GTY_FLAT_CATMULL_ROM_CURVE : return new CurveGeometryISA<Geometry::GTY_SUBTYPE_FLAT_CURVE,CurveGeometryInterface,CatmullRomCurveT>(device,gtype);
|
|
case Geometry::GTY_ORIENTED_CATMULL_ROM_CURVE : return new CurveGeometryISA<Geometry::GTY_SUBTYPE_ORIENTED_CURVE,CurveGeometryInterface,CatmullRomCurveT>(device,gtype);
|
|
|
|
default: throw_RTCError(RTC_ERROR_INVALID_OPERATION,"invalid geometry type");
|
|
}
|
|
}
|
|
}
|
|
}
|