mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
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392e5e8bed
While this may be worth revisiting, we should first quantify the benefits and identify the compilers that support it. Ultimately, we may never use pragma once in favor of strictly using standard C++.
242 lines
9.2 KiB
C++
242 lines
9.2 KiB
C++
//
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// Copyright 2013 Pixar
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//
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// Licensed under the Apache License, Version 2.0 (the "Apache License")
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// with the following modification; you may not use this file except in
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// compliance with the Apache License and the following modification to it:
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// Section 6. Trademarks. is deleted and replaced with:
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//
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// 6. Trademarks. This License does not grant permission to use the trade
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// names, trademarks, service marks, or product names of the Licensor
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// and its affiliates, except as required to comply with Section 4(c) of
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// the License and to reproduce the content of the NOTICE file.
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//
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// You may obtain a copy of the Apache License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the Apache License with the above modification is
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// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the Apache License for the specific
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// language governing permissions and limitations under the Apache License.
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//
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#ifndef OPENSUBDIV3_HBRVERTEXEDIT_H
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#define OPENSUBDIV3_HBRVERTEXEDIT_H
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#include <algorithm>
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#include "../hbr/hierarchicalEdit.h"
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#include "../version.h"
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namespace OpenSubdiv {
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namespace OPENSUBDIV_VERSION {
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template <class T> class HbrVertexEdit;
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template <class T>
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std::ostream& operator<<(std::ostream& out, const HbrVertexEdit<T>& path) {
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out << "vertex path = (" << path.faceid << ' ';
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for (int i = 0; i < path.nsubfaces; ++i) {
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out << static_cast<int>(path.subfaces[i]) << ' ';
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}
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return out << static_cast<int>(path.vertexid) << "), edit = (" << path.edit[0] << ',' << path.edit[1] << ',' << path.edit[2] << ')';
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}
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template <class T>
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class HbrVertexEdit : public HbrHierarchicalEdit<T> {
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public:
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HbrVertexEdit(int _faceid, int _nsubfaces, unsigned char *_subfaces, unsigned char _vertexid, int _index, int _width, bool _isP, typename HbrHierarchicalEdit<T>::Operation _op, float *_edit)
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: HbrHierarchicalEdit<T>(_faceid, _nsubfaces, _subfaces), vertexid(_vertexid), index(_index), width(_width), isP(_isP), op(_op) {
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edit = new float[width];
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memcpy(edit, _edit, width * sizeof(float));
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}
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HbrVertexEdit(int _faceid, int _nsubfaces, int *_subfaces, int _vertexid, int _index, int _width, bool _isP, typename HbrHierarchicalEdit<T>::Operation _op, float *_edit)
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: HbrHierarchicalEdit<T>(_faceid, _nsubfaces, _subfaces), vertexid(static_cast<unsigned char>(_vertexid)), index(_index), width(_width), isP(_isP), op(_op) {
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edit = new float[width];
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memcpy(edit, _edit, width * sizeof(float));
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}
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virtual ~HbrVertexEdit() {
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delete[] edit;
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}
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// Return the vertex id (the last element in the path)
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unsigned char GetVertexID() const { return vertexid; }
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friend std::ostream& operator<< <T> (std::ostream& out, const HbrVertexEdit<T>& path);
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// Return index of variable this edit applies to
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int GetIndex() const { return index; }
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// Return width of the variable
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int GetWidth() const { return width; }
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// Get the numerical value of the edit
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const float* GetEdit() const { return edit; }
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// Get the type of operation
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typename HbrHierarchicalEdit<T>::Operation GetOperation() const { return op; }
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virtual void ApplyEditToFace(HbrFace<T>* face) {
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if (HbrHierarchicalEdit<T>::GetNSubfaces() == face->GetDepth()) {
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// Tags the vertex as being edited; it'll figure out what to
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// when GuaranteeNeighbor is called
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face->GetVertex(vertexid)->SetVertexEdit();
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}
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// In any event, mark the face as having a vertex edit (which
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// may only be applied on subfaces)
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face->MarkVertexEdits();
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}
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virtual void ApplyEditToVertex(HbrFace<T>* face, HbrVertex<T>* vertex) {
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if (HbrHierarchicalEdit<T>::GetNSubfaces() == face->GetDepth() &&
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face->GetVertex(vertexid) == vertex) {
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vertex->GetData().ApplyVertexEdit(*const_cast<const HbrVertexEdit<T>*>(this));
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}
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}
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#ifdef PRMAN
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virtual void ApplyToBound(struct bbox& bbox, RtMatrix *mx) const {
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if (isP) {
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struct xyz p = *(struct xyz*)edit;
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if (mx)
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MxTransformByMatrix(&p, &p, *mx, 1);
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if (op == HbrHierarchicalEdit<T>::Set) {
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bbox.min.x = std::min(bbox.min.x, p.x);
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bbox.min.y = std::min(bbox.min.y, p.y);
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bbox.min.z = std::min(bbox.min.z, p.z);
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bbox.max.x = std::max(bbox.max.x, p.x);
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bbox.max.y = std::max(bbox.max.y, p.y);
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bbox.max.z = std::max(bbox.max.z, p.z);
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} else if (op == HbrHierarchicalEdit<T>::Add ||
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op == HbrHierarchicalEdit<T>::Subtract) {
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bbox.min.x -= fabsf(p.x);
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bbox.min.y -= fabsf(p.y);
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bbox.min.z -= fabsf(p.z);
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bbox.max.x += fabsf(p.x);
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bbox.max.y += fabsf(p.y);
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bbox.max.z += fabsf(p.z);
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}
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}
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}
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#endif
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private:
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const unsigned char vertexid;
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int index;
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int width;
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unsigned isP:1;
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typename HbrHierarchicalEdit<T>::Operation op;
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float* edit;
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};
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template <class T>
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class HbrMovingVertexEdit : public HbrHierarchicalEdit<T> {
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public:
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HbrMovingVertexEdit(int _faceid, int _nsubfaces, unsigned char *_subfaces, unsigned char _vertexid, int _index, int _width, bool _isP, typename HbrHierarchicalEdit<T>::Operation _op, float *_edit)
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: HbrHierarchicalEdit<T>(_faceid, _nsubfaces, _subfaces), vertexid(_vertexid), index(_index), width(_width), isP(_isP), op(_op) {
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edit = new float[width * 2];
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memcpy(edit, _edit, 2 * width * sizeof(float));
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}
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HbrMovingVertexEdit(int _faceid, int _nsubfaces, int *_subfaces, int _vertexid, int _index, int _width, bool _isP, typename HbrHierarchicalEdit<T>::Operation _op, float *_edit)
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: HbrHierarchicalEdit<T>(_faceid, _nsubfaces, _subfaces), vertexid(_vertexid), index(_index), width(_width), isP(_isP), op(_op) {
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edit = new float[width * 2];
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memcpy(edit, _edit, 2 * width * sizeof(float));
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}
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virtual ~HbrMovingVertexEdit() {
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delete[] edit;
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}
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// Return the vertex id (the last element in the path)
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unsigned char GetVertexID() const { return vertexid; }
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friend std::ostream& operator<< <T> (std::ostream& out, const HbrVertexEdit<T>& path);
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// Return index of variable this edit applies to
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int GetIndex() const { return index; }
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// Return width of the variable
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int GetWidth() const { return width; }
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// Get the numerical value of the edit
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const float* GetEdit() const { return edit; }
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// Get the type of operation
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typename HbrHierarchicalEdit<T>::Operation GetOperation() const { return op; }
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virtual void ApplyEditToFace(HbrFace<T>* face) {
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if (HbrHierarchicalEdit<T>::GetNSubfaces() == face->GetDepth()) {
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// Tags the vertex as being edited; it'll figure out what to
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// when GuaranteeNeighbor is called
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face->GetVertex(vertexid)->SetVertexEdit();
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}
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// In any event, mark the face as having a vertex edit (which
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// may only be applied on subfaces)
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face->MarkVertexEdits();
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}
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virtual void ApplyEditToVertex(HbrFace<T>* face, HbrVertex<T>* vertex) {
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if (HbrHierarchicalEdit<T>::GetNSubfaces() == face->GetDepth() &&
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face->GetVertex(vertexid) == vertex) {
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vertex->GetData().ApplyMovingVertexEdit(*const_cast<const HbrMovingVertexEdit<T>*>(this));
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}
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}
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#ifdef PRMAN
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virtual void ApplyToBound(struct bbox& bbox, RtMatrix *mx) const {
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if (isP) {
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struct xyz p1 = *(struct xyz*)edit;
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struct xyz p2 = *(struct xyz*)&edit[3];
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if (mx) {
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MxTransformByMatrix(&p1, &p1, *mx, 1);
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MxTransformByMatrix(&p2, &p2, *mx, 1);
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}
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if (op == HbrVertexEdit<T>::Set) {
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bbox.min.x = std::min(std::min(bbox.min.x, p1.x), p2.x);
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bbox.min.y = std::min(std::min(bbox.min.y, p1.y), p2.y);
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bbox.min.z = std::min(std::min(bbox.min.z, p1.z), p2.z);
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bbox.max.x = std::max(std::max(bbox.max.x, p1.x), p2.x);
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bbox.max.y = std::max(std::max(bbox.max.y, p1.y), p2.y);
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bbox.max.z = std::max(std::max(bbox.max.z, p1.z), p2.z);
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} else if (op == HbrVertexEdit<T>::Add ||
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op == HbrVertexEdit<T>::Subtract) {
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float maxx = std::max(fabsf(p1.x), fabsf(p2.x));
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float maxy = std::max(fabsf(p1.y), fabsf(p2.y));
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float maxz = std::max(fabsf(p1.z), fabsf(p2.z));
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bbox.min.x -= maxx;
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bbox.min.y -= maxy;
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bbox.min.z -= maxz;
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bbox.max.x += maxx;
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bbox.max.y += maxy;
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bbox.max.z += maxz;
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}
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}
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}
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#endif
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private:
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const unsigned char vertexid;
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int index;
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int width;
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unsigned isP:1;
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typename HbrHierarchicalEdit<T>::Operation op;
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float* edit;
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};
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} // end namespace OPENSUBDIV_VERSION
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using namespace OPENSUBDIV_VERSION;
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} // end namespace OpenSubdiv
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#endif /* OPENSUBDIV3_HBRVERTEXEDIT_H */
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