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// Copyright (C) 2015 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 "attribute_p.h"
#include <Qt3DCore/private/qattribute_p.h>
#include <Qt3DRender/private/stringtoint_p.h>
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
namespace Render {
using namespace Qt3DCore;
Attribute::Attribute()
: BackendNode(ReadOnly)
, m_nameId(0)
, m_vertexBaseType(QAttribute::Float)
, m_vertexSize(1)
, m_count(0)
, m_byteStride(0)
, m_byteOffset(0)
, m_divisor(0)
, m_attributeType(QAttribute::VertexAttribute)
, m_attributeDirty(false)
{
}
Attribute::~Attribute()
{
}
void Attribute::cleanup()
{
m_vertexBaseType = QAttribute::Float;
m_vertexSize = 1;
m_count = 0;
m_byteStride = 0;
m_byteOffset = 0;
m_divisor = 0;
m_attributeType = QAttribute::VertexAttribute;
m_bufferId = Qt3DCore::QNodeId();
m_name.clear();
m_attributeDirty = false;
m_nameId = 0;
}
void Attribute::syncFromFrontEnd(const QNode *frontEnd, bool firstTime)
{
BackendNode::syncFromFrontEnd(frontEnd, firstTime);
const QAttribute *node = qobject_cast<const QAttribute *>(frontEnd);
if (!node)
return;
m_attributeDirty = firstTime;
if (m_name != node->name()) {
m_name = node->name();
m_nameId = StringToInt::lookupId(m_name);
m_attributeDirty = true;
}
if (m_vertexBaseType != node->vertexBaseType()) {
m_vertexBaseType = node->vertexBaseType();
m_attributeDirty = true;
}
if (m_vertexSize != node->vertexSize()) {
m_vertexSize = node->vertexSize();
m_attributeDirty = true;
}
if (m_count != node->count()) {
m_count = node->count();
m_attributeDirty = true;
}
if (m_byteStride != node->byteStride()) {
m_byteStride = node->byteStride();
m_attributeDirty = true;
}
if (m_byteOffset != node->byteOffset()) {
m_byteOffset = node->byteOffset();
m_attributeDirty = true;
}
if (m_divisor != node->divisor()) {
m_divisor = node->divisor();
m_attributeDirty = true;
}
if (m_attributeType != node->attributeType()) {
m_attributeType = node->attributeType();
m_attributeDirty = true;
}
const auto bufferId = node->buffer() ? node->buffer()->id() : QNodeId{};
if (bufferId != m_bufferId) {
m_bufferId = bufferId;
m_attributeDirty = true;
}
markDirty(AbstractRenderer::AllDirty);
}
void Attribute::unsetDirty()
{
m_attributeDirty = false;
}
} // namespace Render
} // namespace Qt3DRender
QT_END_NAMESPACE