summaryrefslogtreecommitdiffstats
path: root/src/render/geometry/qbuffer.cpp
blob: df789486bca30229ab1d9b8a0f86041040cead36 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
/****************************************************************************
**
** 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 "qbuffer.h"
#include "qbuffer_p.h"
#include <Qt3DRenderer/private/renderlogging_p.h>
#include <Qt3DCore/qscenepropertychange.h>

QT_BEGIN_NAMESPACE

using namespace Qt3DCore;

namespace Qt3DRender {

/*!
    \class Qt3DRender::QBufferPrivate
    \internal
*/
QBufferPrivate::QBufferPrivate()
    : QAbstractBufferPrivate()
    , m_usage(QBuffer::StaticDraw)
    , m_sync(false)
{
}


QBuffer::QBuffer(QBuffer::BufferType ty, QNode *parent)
    : QAbstractBuffer(*new QBufferPrivate(), parent)
{
    Q_D(QBuffer);
    d->m_type = ty;
}

QBuffer::~QBuffer()
{
    QAbstractBuffer::cleanup();
}

/*! \internal */
QBuffer::QBuffer(QBufferPrivate &dd, QBuffer::BufferType ty, QNode *parent)
    : QAbstractBuffer(dd, parent)
{
    Q_D(QBuffer);
    d->m_type = ty;
}

void QBuffer::copy(const QNode *ref)
{
    QAbstractBuffer::copy(ref);
    const QBuffer *buffer = static_cast<const QBuffer *>(ref);
    d_func()->m_type = buffer->d_func()->m_type;
    d_func()->m_usage = buffer->d_func()->m_usage;
    d_func()->m_functor = buffer->d_func()->m_functor;
    d_func()->m_sync = buffer->d_func()->m_sync;
}

void QBuffer::sceneChangeEvent(const QSceneChangePtr &change)
{
    QScenePropertyChangePtr e = qSharedPointerCast<QScenePropertyChange>(change);
    if (e->type() == NodeUpdated && e->propertyName() == QByteArrayLiteral("data")) {
        const bool blocked = blockNotifications(true);
        setData(e->value().toByteArray());
        blockNotifications(blocked);
    }
}

QBuffer::UsageType QBuffer::usage() const
{
    Q_D(const QBuffer);
    return d->m_usage;
}

void QBuffer::setUsage(QBuffer::UsageType usage)
{
    Q_D(QBuffer);
    if (usage != d->m_usage) {
        d->m_usage = usage;
        emit usageChanged();
    }
}

QBuffer::BufferType QBuffer::type() const
{
    Q_D(const QBuffer);
    return d->m_type;
}

void QBuffer::setBufferFunctor(const QBufferFunctorPtr &functor)
{
    Q_D(QBuffer);
    if (functor && d->m_functor && *functor == *d->m_functor)
        return;
    d->m_functor = functor;
    if (d->m_changeArbiter != Q_NULLPTR) {
        QScenePropertyChangePtr change(new QScenePropertyChange(NodeUpdated, QSceneChange::Node, id()));
        change->setPropertyName("bufferFunctor");
        change->setValue(QVariant::fromValue(d->m_functor));
        d->notifyObservers(change);
    }
}

QBufferFunctorPtr QBuffer::bufferFunctor() const
{
    Q_D(const QBuffer);
    return d->m_functor;
}

/*!
    Sets the sync to \a sync. When sync is true, this will force data created
    by a Qt3DRender::QBufferFunctor to also be updated on the frontend
    Qt3DRender::QBuffer node. By default sync is false.

    \note: This has no effect if the buffer's data was set directly using the data
    property.
 */
void QBuffer::setSync(bool sync)
{
    Q_D(QBuffer);
    if (d->m_sync != sync) {
        d->m_sync = sync;
        emit syncChanged();
    }
}

/*!
    Returns whether data loaded by a Qt3DRender::QBufferFunctor should be
    synched with the Qt3DRender::QBuffer node or not.
 */
bool QBuffer::isSync() const
{
    Q_D(const QBuffer);
    return d->m_sync;
}

void QBuffer::setType(QBuffer::BufferType type)
{
    Q_D(QBuffer);
    if (type != d->m_type) {
        d->m_type = type;
        emit typeChanged();
    }
}

} // namespace Qt3DRender

QT_END_NAMESPACE