Move geometry related classes to their own directory

Change-Id: I74fdfceeeca4801c51fba3586404d5b5dab771b4
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>

1 files changed, 156 insertions, 0 deletions

diff --git a/src/render/geometry/buffer.cpp b/src/render/geometry/buffer.cpp
new file mode 100644
index 000000000..16ba51602
--- /dev/null
+++ b/src/render/geometry/buffer.cpp
@@ -0,0 +1,156 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 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 "buffer_p.h"
+#include <Qt3DCore/qscenepropertychange.h>
+#include <Qt3DRenderer/private/buffermanager_p.h>
+
+QT_BEGIN_NAMESPACE
+
+using namespace Qt3D;
+
+namespace Qt3DRender {
+namespace Render {
+
+Buffer::Buffer()
+    : QBackendNode(QBackendNode::ReadOnly)
+    , m_type(QBuffer::VertexBuffer)
+    , m_usage(QBuffer::StaticDraw)
+    , m_bufferDirty(false)
+    , m_manager(Q_NULLPTR)
+{
+    // Maybe it could become read write if we want to inform
+    // the frontend QBuffer node of any backend issue
+}
+
+Buffer::~Buffer()
+{
+}
+
+void Buffer::cleanup()
+{
+    m_type = QBuffer::VertexBuffer;
+    m_usage = QBuffer::StaticDraw;
+    m_data.clear();
+    m_functor.reset();
+    m_bufferDirty = false;
+}
+
+
+void Buffer::setManager(BufferManager *manager)
+{
+    m_manager = manager;
+}
+
+void Buffer::executeFunctor()
+{
+    Q_ASSERT(m_functor);
+    m_data = (*m_functor)();
+}
+
+void Buffer::updateFromPeer(Qt3D::QNode *peer)
+{
+    QBuffer *buffer = static_cast<QBuffer *>(peer);
+    if (buffer != Q_NULLPTR) {
+        m_type = buffer->type();
+        m_usage = buffer->usage();
+        m_data = buffer->data();
+        m_functor = buffer->bufferFunctor();
+        // Add to dirty list in the manager
+        if (m_functor && m_manager != Q_NULLPTR)
+            m_manager->addDirtyBuffer(peerUuid());
+        m_bufferDirty = true;
+    }
+}
+
+void Buffer::sceneChangeEvent(const Qt3D::QSceneChangePtr &e)
+{
+    if (e->type() == NodeUpdated) {
+        QScenePropertyChangePtr propertyChange = qSharedPointerCast<QScenePropertyChange>(e);
+        QByteArray propertyName = propertyChange->propertyName();
+        if (propertyName == QByteArrayLiteral("data")) {
+            QByteArray newData = propertyChange->value().value<QByteArray>();
+            m_bufferDirty |= m_data != newData;
+            m_data = newData;
+        } else if (propertyName == QByteArrayLiteral("type")) {
+            m_type = static_cast<QBuffer::BufferType>(propertyChange->value().value<int>());
+            m_bufferDirty = true;
+        } else if (propertyName == QByteArrayLiteral("usage")) {
+            m_usage = static_cast<QBuffer::UsageType>(propertyChange->value().value<int>());
+            m_bufferDirty = true;
+        } else if (propertyName == QByteArrayLiteral("bufferFunctor")) {
+            QBufferFunctorPtr newFunctor = propertyChange->value().value<QBufferFunctorPtr>();
+            m_bufferDirty |= !(newFunctor && m_functor && *newFunctor == *m_functor);
+            m_functor = newFunctor;
+            if (m_functor && m_manager != Q_NULLPTR)
+                m_manager->addDirtyBuffer(peerUuid());
+        }
+    }
+}
+
+void Buffer::unsetDirty()
+{
+    m_bufferDirty = false;
+}
+
+BufferFunctor::BufferFunctor(BufferManager *manager)
+    : m_manager(manager)
+{
+}
+
+Qt3D::QBackendNode *BufferFunctor::create(Qt3D::QNode *frontend, const Qt3D::QBackendNodeFactory *factory) const
+{
+    Buffer *buffer = m_manager->getOrCreateResource(frontend->id());
+    buffer->setFactory(factory);
+    buffer->setManager(m_manager);
+    buffer->setPeer(frontend);
+    return buffer;
+}
+
+Qt3D::QBackendNode *BufferFunctor::get(const Qt3D::QNodeId &id) const
+{
+    return m_manager->lookupResource(id);
+}
+
+void BufferFunctor::destroy(const Qt3D::QNodeId &id) const
+{
+    return m_manager->releaseResource(id);
+}
+
+} // namespace Render
+} // namespace Qt3DRender
+
+QT_END_NAMESPACE