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// Copyright (C) 2017 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 "qshadernode_p.h"
QT_BEGIN_NAMESPACE
namespace Qt3DRender
{
QShaderNode::Type QShaderNode::type() const noexcept
{
int inputCount = 0;
int outputCount = 0;
for (const auto &port : std::as_const(m_ports)) {
switch (port.direction) {
case QShaderNodePort::Input:
inputCount++;
break;
case QShaderNodePort::Output:
outputCount++;
break;
}
}
return (inputCount == 0 && outputCount == 0) ? Invalid
: (inputCount > 0 && outputCount == 0) ? Output
: (inputCount == 0 && outputCount > 0) ? Input
: Function;
}
QUuid QShaderNode::uuid() const noexcept
{
return m_uuid;
}
void QShaderNode::setUuid(const QUuid &uuid) noexcept
{
m_uuid = uuid;
}
QStringList QShaderNode::layers() const noexcept
{
return m_layers;
}
void QShaderNode::setLayers(const QStringList &layers) noexcept
{
m_layers = layers;
}
QList<QShaderNodePort> QShaderNode::ports() const noexcept
{
return m_ports;
}
void QShaderNode::addPort(const QShaderNodePort &port)
{
removePort(port);
m_ports.append(port);
}
void QShaderNode::removePort(const QShaderNodePort &port)
{
const auto it = std::find_if(m_ports.begin(), m_ports.end(),
[port](const QShaderNodePort &p) {
return p.name == port.name;
});
if (it != m_ports.end())
m_ports.erase(it);
}
QStringList QShaderNode::parameterNames() const
{
return m_parameters.keys();
}
QVariant QShaderNode::parameter(const QString &name) const
{
return m_parameters.value(name);
}
void QShaderNode::setParameter(const QString &name, const QVariant &value)
{
m_parameters.insert(name, value);
}
void QShaderNode::clearParameter(const QString &name)
{
m_parameters.remove(name);
}
void QShaderNode::addRule(const QShaderFormat &format, const QShaderNode::Rule &rule)
{
removeRule(format);
m_rules << qMakePair(format, rule);
}
void QShaderNode::removeRule(const QShaderFormat &format)
{
const auto it = std::find_if(m_rules.begin(), m_rules.end(),
[format](const QPair<QShaderFormat, Rule> &entry) {
return entry.first == format;
});
if (it != m_rules.end())
m_rules.erase(it);
}
QList<QShaderFormat> QShaderNode::availableFormats() const
{
auto res = QList<QShaderFormat>();
std::transform(m_rules.cbegin(), m_rules.cend(),
std::back_inserter(res),
[](const QPair<QShaderFormat, Rule> &entry) { return entry.first; });
return res;
}
QShaderNode::Rule QShaderNode::rule(const QShaderFormat &format) const
{
const QPair<QShaderFormat, Rule> *selected = nullptr;
for (auto it = m_rules.crbegin(); it != m_rules.crend(); ++it) {
const auto &entry = *it;
if (format.supports(entry.first)) {
if (!selected || entry.first.version() > selected->first.version())
selected = &entry;
}
}
return selected ? selected->second : Rule();
}
QShaderNode::Rule::Rule(const QByteArray &subs, const QByteArrayList &snippets) noexcept
: substitution(subs),
headerSnippets(snippets)
{
}
bool operator==(const QShaderNode::Rule &lhs, const QShaderNode::Rule &rhs) noexcept
{
return lhs.substitution == rhs.substitution
&& lhs.headerSnippets == rhs.headerSnippets;
}
}
QT_END_NAMESPACE