diff options
author | Tomi Korpipää <tomi.korpipaa@digia.com> | 2013-09-10 11:42:13 +0300 |
---|---|---|
committer | Tomi Korpipää <tomi.korpipaa@digia.com> | 2013-09-10 12:04:24 +0300 |
commit | a28cdb72a4ea768a898ca07f0df0fa3c17c073a8 (patch) | |
tree | 0bafdcfa99fc783e9f5204539a8242bf6128d795 /src/datavisualization/utils/objecthelper.cpp | |
parent | f3e38983d77c72f3121c33a149a58fdf9c64158c (diff) |
Module renamed
Task-number: QTRD-2224
Change-Id: Iec18b6121809300b11d85445281d3c626c434f35
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@digia.com>
Diffstat (limited to 'src/datavisualization/utils/objecthelper.cpp')
-rw-r--r-- | src/datavisualization/utils/objecthelper.cpp | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/src/datavisualization/utils/objecthelper.cpp b/src/datavisualization/utils/objecthelper.cpp new file mode 100644 index 00000000..9660c215 --- /dev/null +++ b/src/datavisualization/utils/objecthelper.cpp @@ -0,0 +1,101 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "meshloader_p.h" +#include "vertexindexer_p.h" +#include "objecthelper_p.h" +#include "abstractobjecthelper_p.h" + +#include <QDebug> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +ObjectHelper::ObjectHelper(const QString &objectFile) + : m_objectFile(objectFile) +{ + m_indicesType = GL_UNSIGNED_SHORT; +} + +ObjectHelper::~ObjectHelper() +{ +} + +void ObjectHelper::setObjectFile(const QString &objectFile) +{ + m_objectFile = objectFile; +} + +void ObjectHelper::load() +{ + initializeOpenGLFunctions(); + if (m_meshDataLoaded) { + // Delete old data + glDeleteBuffers(1, &m_vertexbuffer); + glDeleteBuffers(1, &m_uvbuffer); + glDeleteBuffers(1, &m_normalbuffer); + glDeleteBuffers(1, &m_elementbuffer); + } + QVector<QVector3D> vertices; + QVector<QVector2D> uvs; + QVector<QVector3D> normals; + bool loadOk = MeshLoader::loadOBJ(m_objectFile, vertices, uvs, normals); + if (!loadOk) + qFatal("loading failed"); + + //qDebug() << "vertex count" << vertices.size();; + + // Index vertices + QVector<unsigned short> indices; + QVector<QVector3D> indexed_vertices; + QVector<QVector2D> indexed_uvs; + QVector<QVector3D> indexed_normals; + VertexIndexer::indexVBO(vertices, uvs, normals, indices, indexed_vertices, indexed_uvs, + indexed_normals); + + m_indexCount = indices.size(); + //qDebug() << "index count" << m_indexCount; + + glGenBuffers(1, &m_vertexbuffer); + glBindBuffer(GL_ARRAY_BUFFER, m_vertexbuffer); + glBufferData(GL_ARRAY_BUFFER, indexed_vertices.size() * sizeof(QVector3D), + &indexed_vertices.at(0), + GL_STATIC_DRAW); + + glGenBuffers(1, &m_normalbuffer); + glBindBuffer(GL_ARRAY_BUFFER, m_normalbuffer); + glBufferData(GL_ARRAY_BUFFER, indexed_normals.size() * sizeof(QVector3D), + &indexed_normals.at(0), + GL_STATIC_DRAW); + + glGenBuffers(1, &m_uvbuffer); + glBindBuffer(GL_ARRAY_BUFFER, m_uvbuffer); + glBufferData(GL_ARRAY_BUFFER, indexed_uvs.size() * sizeof(QVector2D), + &indexed_uvs.at(0), GL_STATIC_DRAW); + + glGenBuffers(1, &m_elementbuffer); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_elementbuffer); + glBufferData(GL_ELEMENT_ARRAY_BUFFER, indices.size() * sizeof(unsigned short), + &indices.at(0), GL_STATIC_DRAW); + + glBindBuffer(GL_ARRAY_BUFFER, 0); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); + + m_meshDataLoaded = true; +} + +QT_DATAVISUALIZATION_END_NAMESPACE |