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texture3d.cpp 3.26 KiB
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/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the QtCanvas3D module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL3$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPLv3 included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl.html.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 2.0 or later as published by the Free
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** Software Foundation and appearing in the file LICENSE.GPL included in
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** the packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 2.0 requirements will be
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** met: http://www.gnu.org/licenses/gpl-2.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "texture3d_p.h"
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QT_BEGIN_NAMESPACE
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QT_CANVAS3D_BEGIN_NAMESPACE
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/*!
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 * \qmltype Texture3D
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 * \since QtCanvas3D 1.0
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 * \ingroup qtcanvas3d-qml-types
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 * \brief Contains an OpenGL texture.
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 *
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 * An uncreatable QML type that contains an OpenGL texture. You can get it by calling
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 * \l{Context3D::createTexture()}{Context3D.createTexture()} method.
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 */
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/*!
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 * \internal
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 */
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CanvasTexture::CanvasTexture(QObject *parent) :
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    CanvasAbstractObject(parent),
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    m_textureId(0),
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    m_isAlive(true)
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{
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    initializeOpenGLFunctions();
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    glGenTextures(1, &m_textureId);
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}
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/*!
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 * \internal
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 */
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CanvasTexture::~CanvasTexture()
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{
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    if (m_textureId)
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        glDeleteTextures(1, &m_textureId);
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} /*! * \internal */ void CanvasTexture::bind(CanvasContext::glEnums target) { if (!m_textureId) return; glBindTexture(GLenum(target), m_textureId); } /*! * \internal */ GLuint CanvasTexture::textureId() const { if (!m_isAlive) return 0; return m_textureId; } /*! * \internal */ bool CanvasTexture::isAlive() const { return bool(m_textureId); } /*! * \internal */ void CanvasTexture::del() { if (m_textureId) glDeleteTextures(1, &m_textureId); m_textureId = 0; } /*! * \internal */ QDebug operator<<(QDebug dbg, const CanvasTexture *texture) { if (texture) dbg.nospace() << "Texture3D("<< ((void*) texture) << ", name:" << texture->name() << ", id:" << texture->textureId() << ")"; else dbg.nospace() << "Texture3D("<< ((void*) texture) <<")"; return dbg.maybeSpace(); } QT_CANVAS3D_END_NAMESPACE QT_END_NAMESPACE