diff options
Diffstat (limited to 'src/gui/util/qshadernodesloader.cpp')
| -rw-r--r-- | src/gui/util/qshadernodesloader.cpp | 290 |
1 files changed, 0 insertions, 290 deletions
diff --git a/src/gui/util/qshadernodesloader.cpp b/src/gui/util/qshadernodesloader.cpp deleted file mode 100644 index db1755e33a..0000000000 --- a/src/gui/util/qshadernodesloader.cpp +++ /dev/null @@ -1,290 +0,0 @@ -/**************************************************************************** -** -** 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 "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 - -QShaderNodesLoader::QShaderNodesLoader() noexcept - : m_status(Null), - m_device(nullptr) -{ -} - -QShaderNodesLoader::Status QShaderNodesLoader::status() const noexcept -{ - return m_status; -} - -QHash<QString, QShaderNode> QShaderNodesLoader::nodes() const noexcept -{ - return m_nodes; -} - -QIODevice *QShaderNodesLoader::device() const noexcept -{ - return m_device; -} - -void QShaderNodesLoader::setDevice(QIODevice *device) noexcept -{ - m_device = device; - m_nodes.clear(); - m_status = !m_device ? Null - : (m_device->openMode() & QIODevice::ReadOnly) ? Waiting - : Error; -} - -void QShaderNodesLoader::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(); - load(root); -} - -void QShaderNodesLoader::load(const QJsonObject &prototypesObject) -{ - bool hasError = false; - - for (const QString &property : prototypesObject.keys()) { - const QJsonValue nodeValue = prototypesObject.value(property); - if (!nodeValue.isObject()) { - qWarning() << "Invalid node found"; - hasError = true; - break; - } - - const QJsonObject nodeObject = nodeValue.toObject(); - - auto node = QShaderNode(); - - const QJsonValue inputsValue = nodeObject.value(QStringLiteral("inputs")); - if (inputsValue.isArray()) { - const QJsonArray inputsArray = inputsValue.toArray(); - for (const QJsonValue inputValue : inputsArray) { - if (!inputValue.isString()) { - qWarning() << "Non-string value in inputs"; - hasError = true; - break; - } - - auto input = QShaderNodePort(); - input.direction = QShaderNodePort::Input; - input.name = inputValue.toString(); - node.addPort(input); - } - } - - const QJsonValue outputsValue = nodeObject.value(QStringLiteral("outputs")); - if (outputsValue.isArray()) { - const QJsonArray outputsArray = outputsValue.toArray(); - for (const QJsonValue outputValue : outputsArray) { - if (!outputValue.isString()) { - qWarning() << "Non-string value in outputs"; - hasError = true; - break; - } - - auto output = QShaderNodePort(); - output.direction = QShaderNodePort::Output; - output.name = outputValue.toString(); - node.addPort(output); - } - } - - const QJsonValue parametersValue = nodeObject.value(QStringLiteral("parameters")); - if (parametersValue.isObject()) { - const QJsonObject parametersObject = parametersValue.toObject(); - for (const QString ¶meterName : 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()); - } - } - } - - const QJsonValue rulesValue = nodeObject.value(QStringLiteral("rules")); - if (rulesValue.isArray()) { - const QJsonArray rulesArray = rulesValue.toArray(); - for (const QJsonValue ruleValue : rulesArray) { - if (!ruleValue.isObject()) { - qWarning() << "Rules should be objects"; - hasError = true; - break; - } - - const QJsonObject ruleObject = ruleValue.toObject(); - - const QJsonValue formatValue = ruleObject.value(QStringLiteral("format")); - if (!formatValue.isObject()) { - qWarning() << "Format is mandatory in rules and should be an object"; - hasError = true; - break; - } - - const QJsonObject formatObject = formatValue.toObject(); - auto format = QShaderFormat(); - - const QJsonValue apiValue = formatObject.value(QStringLiteral("api")); - if (!apiValue.isString()) { - qWarning() << "Format API must be a string"; - hasError = true; - break; - } - - const QString api = apiValue.toString(); - format.setApi(api == QStringLiteral("OpenGLES") ? QShaderFormat::OpenGLES - : api == QStringLiteral("OpenGLNoProfile") ? QShaderFormat::OpenGLNoProfile - : api == QStringLiteral("OpenGLCoreProfile") ? QShaderFormat::OpenGLCoreProfile - : api == QStringLiteral("OpenGLCompatibilityProfile") ? QShaderFormat::OpenGLCompatibilityProfile - : api == QStringLiteral("VulkanFlavoredGLSL") ? QShaderFormat::VulkanFlavoredGLSL - : QShaderFormat::NoApi); - if (format.api() == QShaderFormat::NoApi) { - qWarning() << "Format API must be one of: OpenGLES, OpenGLNoProfile, OpenGLCoreProfile or OpenGLCompatibilityProfile, VulkanFlavoredGLSL"; - hasError = true; - break; - } - - const QJsonValue majorValue = formatObject.value(QStringLiteral("major")); - const QJsonValue minorValue = formatObject.value(QStringLiteral("minor")); - if (!majorValue.isDouble() || !minorValue.isDouble()) { - qWarning() << "Format major and minor version must be values"; - hasError = true; - break; - } - format.setVersion(QVersionNumber(majorValue.toInt(), minorValue.toInt())); - - const QJsonValue extensionsValue = formatObject.value(QStringLiteral("extensions")); - const QJsonArray extensionsArray = extensionsValue.toArray(); - auto extensions = QStringList(); - std::transform(extensionsArray.constBegin(), extensionsArray.constEnd(), - std::back_inserter(extensions), - [] (const QJsonValue &extensionValue) { return extensionValue.toString(); }); - format.setExtensions(extensions); - - const QString vendor = formatObject.value(QStringLiteral("vendor")).toString(); - format.setVendor(vendor); - - const QJsonValue substitutionValue = ruleObject.value(QStringLiteral("substitution")); - if (!substitutionValue.isString()) { - qWarning() << "Substitution needs to be a string"; - hasError = true; - break; - } - - // We default out to a Fragment ShaderType if nothing is specified - // as that was the initial behavior we introduced - const QString shaderType = formatObject.value(QStringLiteral("shaderType")).toString(); - format.setShaderType(shaderType == QStringLiteral("Fragment") ? QShaderFormat::Fragment - : shaderType == QStringLiteral("Vertex") ? QShaderFormat::Vertex - : shaderType == QStringLiteral("TessellationControl") ? QShaderFormat::TessellationControl - : shaderType == QStringLiteral("TessellationEvaluation") ? QShaderFormat::TessellationEvaluation - : shaderType == QStringLiteral("Geometry") ? QShaderFormat::Geometry - : shaderType == QStringLiteral("Compute") ? QShaderFormat::Compute - : QShaderFormat::Fragment); - - const QByteArray substitution = substitutionValue.toString().toUtf8(); - - const QJsonValue snippetsValue = ruleObject.value(QStringLiteral("headerSnippets")); - const QJsonArray snippetsArray = snippetsValue.toArray(); - auto snippets = QByteArrayList(); - std::transform(snippetsArray.constBegin(), snippetsArray.constEnd(), - std::back_inserter(snippets), - [] (const QJsonValue &snippetValue) { return snippetValue.toString().toUtf8(); }); - - node.addRule(format, QShaderNode::Rule(substitution, snippets)); - } - } - - m_nodes.insert(property, node); - } - - if (hasError) { - m_status = Error; - m_nodes.clear(); - } else { - m_status = Ready; - } -} - -QT_END_NAMESPACE |