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/****************************************************************************
**
** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qattribute.h"
#include "qattribute_p.h"
#include <QVector4D>
#include <QVector3D>
#include <QVector2D>
#include <QVector>
#include <Qt3DRenderer/qbuffer.h>
#include <Qt3DRenderer/private/renderlogging_p.h>
QT_BEGIN_NAMESPACE
namespace Qt3D {
/*!
class Qt3D::AttributePrivate
\internal
*/
QAttributePrivate::QAttributePrivate()
: QAbstractAttributePrivate()
{
}
QAttribute::QAttribute(QNode *parent)
: QAbstractAttribute(*new QAttributePrivate(), parent)
{
}
QAttribute::QAttribute(QBuffer *buf, int type, int count, int offset, int stride)
: QAbstractAttribute(*new QAttributePrivate(), buf, QString(), type, count, offset, stride)
{
}
QAttribute::QAttribute(QBuffer *buf, const QString &name, int type, int count, int offset, int stride)
: QAbstractAttribute(*new QAttributePrivate(), buf, name, type, count, offset, stride)
{
}
QAttribute::~QAttribute()
{
QAbstractAttribute::cleanup();
}
void QAttribute::copy(const QNode *ref)
{
QAbstractAttribute::copy(ref);
}
QVector<QVector4D> QAttribute::asVector4D() const
{
Q_D(const QAttribute);
const QByteArray buffer = d->m_buffer->data();
const char *rawBuffer = buffer.constData();
rawBuffer += d->m_byteOffset;
const float* fptr;
int stride;
switch (type()) {
case GL_FLOAT_VEC2:
stride = sizeof(float) * 2; break;
case GL_FLOAT_VEC3:
stride = sizeof(float) * 3; break;
case GL_FLOAT_VEC4:
stride = sizeof(float) * 4; break;
default:
qCDebug(Render::Io) << Q_FUNC_INFO << "can't convert" << QString::number(type(), 16) << "to QVector3D";
return QVector<QVector4D>();
}
if (d->m_byteStride != 0)
stride = d->m_byteStride;
QVector<QVector4D> result;
result.resize(d->m_count);
for (uint c = 0; c < d->m_count; ++c) {
QVector4D v;
fptr = reinterpret_cast<const float*>(rawBuffer);
switch (type()) {
case GL_FLOAT_VEC2:
v.setX(fptr[0]);
v.setY(fptr[1]);
break;
case GL_FLOAT_VEC3:
v.setX(fptr[0]);
v.setY(fptr[1]);
v.setZ(fptr[2]);
break;
case GL_FLOAT_VEC4:
v.setX(fptr[0]);
v.setY(fptr[1]);
v.setZ(fptr[2]);
v.setW(fptr[3]);
break;
default:
break; // should never happen, we check types above
}
result[c] = v;
rawBuffer += stride;
}
return result;
}
QVector<QVector3D> QAttribute::asVector3D() const
{
Q_D(const QAttribute);
const QByteArray buffer = d->m_buffer->data();
const char *rawBuffer = buffer.constData();
rawBuffer += d->m_byteOffset;
const float* fptr;
int stride;
switch (type()) {
case GL_FLOAT_VEC2:
stride = sizeof(float) * 2; break;
case GL_FLOAT_VEC3:
stride = sizeof(float) * 3; break;
case GL_FLOAT_VEC4:
stride = sizeof(float) * 4; break;
default:
qCDebug(Render::Io) << Q_FUNC_INFO << "can't convert" << QString::number(type(), 16) << "to QVector3D";
return QVector<QVector3D>();
}
if (d->m_byteStride != 0)
stride = d->m_byteStride;
QVector<QVector3D> result;
result.resize(d->m_count);
for (uint c = 0; c < d->m_count; ++c) {
QVector3D v;
fptr = reinterpret_cast<const float*>(rawBuffer);
switch (type()) {
case GL_FLOAT_VEC2:
v.setX(fptr[0]);
v.setY(fptr[1]);
break;
case GL_FLOAT_VEC3:
case GL_FLOAT_VEC4:
v.setX(fptr[0]);
v.setY(fptr[1]);
v.setZ(fptr[2]);
break;
default:
break; // should never happen, we check types above
}
result[c] = v;
rawBuffer += stride;
}
return result;
}
QVector<QVector2D> QAttribute::asVector2D() const
{
Q_D(const QAttribute);
char* rawBuffer = d->m_buffer->data().data();
rawBuffer += d->m_byteOffset;
float* fptr;
int stride;
switch (type()) {
case GL_FLOAT_VEC2:
stride = sizeof(float) * 2; break;
case GL_FLOAT_VEC3:
stride = sizeof(float) * 3; break;
case GL_FLOAT_VEC4:
stride = sizeof(float) * 4; break;
default:
qCDebug(Render::Io) << Q_FUNC_INFO << "can't convert" << QString::number(type(), 16) << "to QVector2D";
return QVector<QVector2D>();
}
if (d->m_byteStride != 0)
stride = d->m_byteStride;
QVector<QVector2D> result;
result.resize(d->m_count);
for (uint c = 0; c < d->m_count; ++c) {
QVector2D v;
fptr = reinterpret_cast<float*>(rawBuffer);
v.setX(fptr[0]);
v.setY(fptr[1]);
result[c] = v;
rawBuffer += stride;
}
return result;
}
void QAttribute::dump(int count)
{
Q_D(const QAttribute);
const char* rawBuffer = d->m_buffer->data().data();
rawBuffer += d->m_byteOffset;
const float* fptr;
const quint16* usptr;
int stride = d->m_byteStride;
for (int c=0; c<count; ++c) {
switch (type()) {
case GL_UNSIGNED_SHORT:
if (stride == 0)
stride = sizeof(quint16);
usptr = reinterpret_cast<const quint16*>(rawBuffer + stride * c);
qCDebug(Render::Io) << c << ":u16:" << usptr[0];
break;
case GL_UNSIGNED_INT:
if (stride == 0)
stride = sizeof(quint32);
qCDebug(Render::Io) << c << ":u32:" << reinterpret_cast<const quint32*>(rawBuffer + stride * c)[0];
break;
case GL_FLOAT_VEC2:
if (stride == 0)
stride = sizeof(float) * 2;
fptr = reinterpret_cast<const float*>(rawBuffer + stride * c);
qCDebug(Render::Io) << c << ":vec2:"<< fptr[0] << fptr[1];
break;
case GL_FLOAT_VEC3:
if (stride == 0)
stride = sizeof(float) * 3;
fptr = reinterpret_cast<const float*>(rawBuffer + stride * c);
qCDebug(Render::Io) << c << ":vec3:" << fptr[0] << fptr[1] << fptr[2];
break;
default: qCDebug(Render::Io) << Q_FUNC_INFO << "unspported type:" << QString::number(type(), 16);
}
}
}
QBuffer *QAttribute::buffer() const
{
return static_cast<QBuffer *>(QAbstractAttribute::buffer());
}
} // Qt3D
QT_END_NAMESPACE
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