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-rw-r--r--src/gui/util/qshadergraphloader.cpp269
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diff --git a/src/gui/util/qshadergraphloader.cpp b/src/gui/util/qshadergraphloader.cpp
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index defa88b9d3..0000000000
--- a/src/gui/util/qshadergraphloader.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB).
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the QtGui 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 The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://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.LGPL3 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-3.0.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 (at your option) the GNU General
-** Public license version 3 or any later version approved by the KDE Free
-** Qt Foundation. The licenses are as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "qshadergraphloader_p.h"
-
-#include "qshadernodesloader_p.h"
-
-#include <QtCore/qdebug.h>
-#include <QtCore/qiodevice.h>
-#include <QtCore/qjsonarray.h>
-#include <QtCore/qjsondocument.h>
-#include <QtCore/qjsonobject.h>
-#include <QtCore/qmetaobject.h>
-
-QT_BEGIN_NAMESPACE
-
-void qt_register_ShaderLanguage_enums();
-
-QShaderGraphLoader::QShaderGraphLoader() noexcept
- : m_status(Null),
- m_device(nullptr)
-{
- qt_register_ShaderLanguage_enums();
-}
-
-QShaderGraphLoader::Status QShaderGraphLoader::status() const noexcept
-{
- return m_status;
-}
-
-QShaderGraph QShaderGraphLoader::graph() const noexcept
-{
- return m_graph;
-}
-
-QIODevice *QShaderGraphLoader::device() const noexcept
-{
- return m_device;
-}
-
-void QShaderGraphLoader::setDevice(QIODevice *device) noexcept
-{
- m_device = device;
- m_graph = QShaderGraph();
- m_status = !m_device ? Null
- : (m_device->openMode() & QIODevice::ReadOnly) ? Waiting
- : Error;
-}
-
-QHash<QString, QShaderNode> QShaderGraphLoader::prototypes() const noexcept
-{
- return m_prototypes;
-}
-
-void QShaderGraphLoader::setPrototypes(const QHash<QString, QShaderNode> &prototypes) noexcept
-{
- m_prototypes = prototypes;
-}
-
-void QShaderGraphLoader::load()
-{
- if (m_status == Error)
- return;
-
- auto error = QJsonParseError();
- const QJsonDocument document = QJsonDocument::fromJson(m_device->readAll(), &error);
-
- if (error.error != QJsonParseError::NoError) {
- qWarning() << "Invalid JSON document:" << error.errorString();
- m_status = Error;
- return;
- }
-
- if (document.isEmpty() || !document.isObject()) {
- qWarning() << "Invalid JSON document, root should be an object";
- m_status = Error;
- return;
- }
-
- const QJsonObject root = document.object();
-
- const QJsonValue nodesValue = root.value(QStringLiteral("nodes"));
- if (!nodesValue.isArray()) {
- qWarning() << "Invalid nodes property, should be an array";
- m_status = Error;
- return;
- }
-
- const QJsonValue edgesValue = root.value(QStringLiteral("edges"));
- if (!edgesValue.isArray()) {
- qWarning() << "Invalid edges property, should be an array";
- m_status = Error;
- return;
- }
-
- bool hasError = false;
-
- const QJsonValue prototypesValue = root.value(QStringLiteral("prototypes"));
- if (!prototypesValue.isUndefined()) {
- if (prototypesValue.isObject()) {
- QShaderNodesLoader loader;
- loader.load(prototypesValue.toObject());
- m_prototypes.insert(loader.nodes());
- } else {
- qWarning() << "Invalid prototypes property, should be an object";
- m_status = Error;
- return;
- }
- }
-
- const QJsonArray nodes = nodesValue.toArray();
- for (const QJsonValue nodeValue : nodes) {
- if (!nodeValue.isObject()) {
- qWarning() << "Invalid node found";
- hasError = true;
- continue;
- }
-
- const QJsonObject nodeObject = nodeValue.toObject();
-
- const QString uuidString = nodeObject.value(QStringLiteral("uuid")).toString();
- const QUuid uuid = QUuid(uuidString);
- if (uuid.isNull()) {
- qWarning() << "Invalid UUID found in node:" << uuidString;
- hasError = true;
- continue;
- }
-
- const QString type = nodeObject.value(QStringLiteral("type")).toString();
- if (!m_prototypes.contains(type)) {
- qWarning() << "Unsupported node type found:" << type;
- hasError = true;
- continue;
- }
-
- const QJsonArray layersArray = nodeObject.value(QStringLiteral("layers")).toArray();
- auto layers = QStringList();
- for (const QJsonValue layerValue : layersArray) {
- layers.append(layerValue.toString());
- }
-
- QShaderNode node = m_prototypes.value(type);
- node.setUuid(uuid);
- node.setLayers(layers);
-
- const QJsonValue parametersValue = nodeObject.value(QStringLiteral("parameters"));
- if (parametersValue.isObject()) {
- const QJsonObject parametersObject = parametersValue.toObject();
- for (const QString &parameterName : parametersObject.keys()) {
- const QJsonValue parameterValue = parametersObject.value(parameterName);
- if (parameterValue.isObject()) {
- const QJsonObject parameterObject = parameterValue.toObject();
- const QString type = parameterObject.value(QStringLiteral("type")).toString();
- const auto metaType = QMetaType::fromName(type.toUtf8());
-
- const QString value = parameterObject.value(QStringLiteral("value")).toString();
- auto variant = QVariant(value);
-
- if (metaType.flags() & QMetaType::IsEnumeration) {
- const QMetaObject *metaObject = metaType.metaObject();
- const char *className = metaObject->className();
- const QByteArray enumName = type.mid(static_cast<int>(qstrlen(className)) + 2).toUtf8();
- const QMetaEnum metaEnum = metaObject->enumerator(metaObject->indexOfEnumerator(enumName));
- const int enumValue = metaEnum.keyToValue(value.toUtf8());
- variant = QVariant(enumValue);
- variant.convert(metaType);
- } else {
- variant.convert(metaType);
- }
- node.setParameter(parameterName, variant);
- } else {
- node.setParameter(parameterName, parameterValue.toVariant());
- }
- }
- }
-
- m_graph.addNode(node);
- }
-
- const QJsonArray edges = edgesValue.toArray();
- for (const QJsonValue edgeValue : edges) {
- if (!edgeValue.isObject()) {
- qWarning() << "Invalid edge found";
- hasError = true;
- continue;
- }
-
- const QJsonObject edgeObject = edgeValue.toObject();
-
- const QString sourceUuidString = edgeObject.value(QStringLiteral("sourceUuid")).toString();
- const QUuid sourceUuid = QUuid(sourceUuidString);
- if (sourceUuid.isNull()) {
- qWarning() << "Invalid source UUID found in edge:" << sourceUuidString;
- hasError = true;
- continue;
- }
-
- const QString sourcePort = edgeObject.value(QStringLiteral("sourcePort")).toString();
-
- const QString targetUuidString = edgeObject.value(QStringLiteral("targetUuid")).toString();
- const QUuid targetUuid = QUuid(targetUuidString);
- if (targetUuid.isNull()) {
- qWarning() << "Invalid target UUID found in edge:" << targetUuidString;
- hasError = true;
- continue;
- }
-
- const QString targetPort = edgeObject.value(QStringLiteral("targetPort")).toString();
-
- const QJsonArray layersArray = edgeObject.value(QStringLiteral("layers")).toArray();
- auto layers = QStringList();
- for (const QJsonValue layerValue : layersArray) {
- layers.append(layerValue.toString());
- }
-
- auto edge = QShaderGraph::Edge();
- edge.sourceNodeUuid = sourceUuid;
- edge.sourcePortName = sourcePort;
- edge.targetNodeUuid = targetUuid;
- edge.targetPortName = targetPort;
- edge.layers = layers;
- m_graph.addEdge(edge);
- }
-
- if (hasError) {
- m_status = Error;
- m_graph = QShaderGraph();
- } else {
- m_status = Ready;
- }
-}
-
-QT_END_NAMESPACE