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// Copyright (C) 2020 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "pickingproxy_p.h"
#include <Qt3DRender/private/managers_p.h>
#include <Qt3DRender/private/qpickingproxy_p.h>
#include <Qt3DCore/private/qgeometryview_p.h>
#include <Qt3DCore/private/qnode_p.h>
#include <memory>
QT_BEGIN_NAMESPACE
using namespace Qt3DCore;
namespace Qt3DRender {
namespace Render {
PickingProxy::PickingProxy()
: BackendNode(ReadWrite)
, m_instanceCount(0)
, m_vertexCount(0)
, m_indexOffset(0)
, m_firstInstance(0)
, m_firstVertex(0)
, m_indexBufferByteOffset(0)
, m_restartIndexValue(-1)
, m_verticesPerPatch(0)
, m_primitiveRestartEnabled(false)
, m_dirty(false)
, m_valid(false)
, m_primitiveType(Qt3DCore::QGeometryView::Triangles)
, m_manager(nullptr)
{
}
PickingProxy::~PickingProxy()
{
}
void PickingProxy::cleanup()
{
BackendNode::setEnabled(false);
m_instanceCount = 0;
m_vertexCount = 0;
m_indexOffset = 0;
m_firstInstance = 0;
m_firstVertex = 0;
m_indexBufferByteOffset = 0;
m_restartIndexValue = -1;
m_verticesPerPatch = 0;
m_primitiveRestartEnabled = false;
m_primitiveType = QGeometryView::Triangles;
m_geometryId = Qt3DCore::QNodeId();
m_dirty = false;
m_valid = false;
}
void PickingProxy::setManager(PickingProxyManager *manager)
{
m_manager = manager;
}
void PickingProxy::syncFromFrontEnd(const QNode *frontEnd, bool firstTime)
{
BackendNode::syncFromFrontEnd(frontEnd, firstTime);
const QPickingProxy *node = qobject_cast<const QPickingProxy *>(frontEnd);
if (!node)
return;
auto propertyUpdater = [this](const auto *node) {
m_dirty |= m_instanceCount != node->instanceCount();
m_instanceCount = node->instanceCount();
m_dirty |= m_vertexCount != node->vertexCount();
m_vertexCount = node->vertexCount();
m_dirty |= m_indexOffset != node->indexOffset();
m_indexOffset = node->indexOffset();
m_dirty |= m_firstInstance != node->firstInstance();
m_firstInstance = node->firstInstance();
m_dirty |= m_firstVertex != node->firstVertex();
m_firstVertex = node->firstVertex();
m_dirty |= m_indexBufferByteOffset != node->indexBufferByteOffset();
m_indexBufferByteOffset = node->indexBufferByteOffset();
m_dirty |= m_restartIndexValue != node->restartIndexValue();
m_restartIndexValue = node->restartIndexValue();
m_dirty |= m_verticesPerPatch != node->verticesPerPatch();
m_verticesPerPatch = node->verticesPerPatch();
m_dirty |= m_primitiveRestartEnabled != node->primitiveRestartEnabled();
m_primitiveRestartEnabled = node->primitiveRestartEnabled();
m_dirty |= m_primitiveType != static_cast<QGeometryView::PrimitiveType>(node->primitiveType());
m_primitiveType = static_cast<QGeometryView::PrimitiveType>(node->primitiveType());
m_dirty |= (node->geometry() && m_geometryId != node->geometry()->id()) || (!node->geometry() && !m_geometryId.isNull());
m_geometryId = node->geometry() ? node->geometry()->id() : Qt3DCore::QNodeId();
};
m_dirty = false;
if (!node->view()) {
m_dirty |= m_valid;
m_valid = false;
} else {
m_dirty |= !m_valid;
m_valid = true;
propertyUpdater(node->view());
}
markDirty(AbstractRenderer::GeometryDirty);
}
void PickingProxy::unsetDirty()
{
m_dirty = false;
}
PickingProxyFunctor::PickingProxyFunctor(AbstractRenderer *renderer, PickingProxyManager *manager)
: m_manager(manager)
, m_renderer(renderer)
{
}
Qt3DCore::QBackendNode *PickingProxyFunctor::create(Qt3DCore::QNodeId id) const
{
PickingProxy *node = m_manager->getOrCreateResource(id);
node->setManager(m_manager);
node->setRenderer(m_renderer);
return node;
}
Qt3DCore::QBackendNode *PickingProxyFunctor::get(Qt3DCore::QNodeId id) const
{
return m_manager->lookupResource(id);
}
void PickingProxyFunctor::destroy(Qt3DCore::QNodeId id) const
{
m_manager->releaseResource(id);
}
} // namespace Render
} // namespace Qt3DRender
QT_END_NAMESPACE
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