Added QRenderAttachment

Will be used by QRenderTarget to specify a list of attachments to use with the
FBO.

Change-Id: I9b2c5383884e5d21df2646edc2a00337a45dcf69
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

1 files changed, 194 insertions, 0 deletions

diff --git a/src/render/frontend/qrenderattachment.cpp b/src/render/frontend/qrenderattachment.cpp
new file mode 100644
index 000000000..ebe3f6c93
--- /dev/null
+++ b/src/render/frontend/qrenderattachment.cpp
@@ -0,0 +1,194 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 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 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include "qrenderattachment_p.h"
+#include "qrenderattachment.h"
+#include "qtexture.h"
+#include <Qt3DCore/qscenepropertychange.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace Qt3D {
+
+QRenderAttachmentPrivate::QRenderAttachmentPrivate(QRenderAttachment *qq)
+    : QNodePrivate(qq)
+    , m_texture(Q_NULLPTR)
+    , m_type(QRenderAttachment::ColorAttachment)
+    , m_mipLevel(0)
+    , m_layer(0)
+    , m_face(QRenderAttachment::CubeMapNegativeX)
+{
+}
+
+QRenderAttachment::QRenderAttachment(QNode *parent)
+    : QNode(*new QRenderAttachmentPrivate(this), parent)
+{
+}
+
+QRenderAttachment::QRenderAttachment(QRenderAttachmentPrivate &dd, QNode *parent)
+    : QNode(dd, parent)
+{
+}
+
+void QRenderAttachment::copy(const QNode *ref)
+{
+    QNode::copy(ref);
+    const QRenderAttachment *rA = qobject_cast<const QRenderAttachment *>(ref);
+    if (rA != Q_NULLPTR) {
+        setType(rA->type());
+        // TO DO: Send a clone once Texture is a QNode subclass
+        setTexture(rA->texture());
+    }
+}
+
+void QRenderAttachment::setType(QRenderAttachment::RenderAttachmentType type)
+{
+    Q_D(QRenderAttachment);
+    if (type != d->m_type) {
+        d->m_type = type;
+        emit typeChanged();
+        if (d->m_changeArbiter != Q_NULLPTR) {
+            QScenePropertyChangePtr change(new QScenePropertyChange(NodeUpdated, this));
+            change->setPropertyName(QByteArrayLiteral("type"));
+            change->setValue(type);
+            notifyObservers(change);
+        }
+    }
+}
+
+QRenderAttachment::RenderAttachmentType QRenderAttachment::type() const
+{
+    Q_D(const QRenderAttachment);
+    return d->m_type;
+}
+
+void QRenderAttachment::setTexture(QTexture *texture)
+{
+    Q_D(QRenderAttachment);
+    if (texture != d->m_texture) {
+        d->m_texture = texture;
+        emit textureChanged();
+        if (d->m_changeArbiter != Q_NULLPTR) {
+            QScenePropertyChangePtr change(new QScenePropertyChange(NodeUpdated, this));
+            change->setPropertyName(QByteArrayLiteral("texture"));
+            // TO DO: Send a clone once Texture is a QNode subclass
+            change->setValue(QVariant::fromValue(texture));
+            notifyObservers(change);
+        }
+    }
+}
+
+QTexture *QRenderAttachment::texture() const
+{
+    Q_D(const QRenderAttachment);
+    return d->m_texture;
+}
+
+void QRenderAttachment::setMipLevel(int level)
+{
+    Q_D(QRenderAttachment);
+    if (d->m_mipLevel != level) {
+        d->m_mipLevel = level;
+        emit mipLevelChanged();
+        if (d->m_changeArbiter != Q_NULLPTR) {
+            QScenePropertyChangePtr change(new QScenePropertyChange(NodeUpdated, this));
+            change->setPropertyName(QByteArrayLiteral("mipLevel"));
+            change->setValue(level);
+            notifyObservers(change);
+        }
+    }
+}
+
+int QRenderAttachment::mipLevel() const
+{
+    Q_D(const QRenderAttachment);
+    return d->m_mipLevel;
+}
+
+void QRenderAttachment::setLayer(int layer)
+{
+    Q_D(QRenderAttachment);
+    if (d->m_layer != layer) {
+        d->m_layer = layer;
+        emit layerChanged();
+        if (d->m_changeArbiter != Q_NULLPTR) {
+            QScenePropertyChangePtr change(new QScenePropertyChange(NodeUpdated, this));
+            change->setPropertyName(QByteArrayLiteral("layer"));
+            change->setValue(layer);
+            notifyObservers(change);
+        }
+    }
+}
+
+int QRenderAttachment::layer() const
+{
+    Q_D(const QRenderAttachment);
+    return d->m_layer;
+}
+
+void QRenderAttachment::setFace(QRenderAttachment::CubeMapFace face)
+{
+    Q_D(QRenderAttachment);
+    if (d->m_face != face) {
+        d->m_face = face;
+        emit faceChanged();
+        if (d->m_changeArbiter != Q_NULLPTR) {
+            QScenePropertyChangePtr change(new QScenePropertyChange(NodeUpdated, this));
+            change->setPropertyName(QByteArrayLiteral("face"));
+            change->setValue(face);
+            notifyObservers(change);
+        }
+    }
+}
+
+QRenderAttachment::CubeMapFace QRenderAttachment::face() const
+{
+    Q_D(const QRenderAttachment);
+    return d->m_face;
+}
+
+QNode *QRenderAttachment::doClone(QNode *clonedParent) const
+{
+    return new QRenderAttachment(clonedParent);
+}
+
+} // Qt3D
+
+QT_END_NAMESPACE