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Diffstat (limited to 'src/gui/util/qshadernode.cpp')
| -rw-r--r-- | src/gui/util/qshadernode.cpp | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/src/gui/util/qshadernode.cpp b/src/gui/util/qshadernode.cpp new file mode 100644 index 0000000000..676667ddcf --- /dev/null +++ b/src/gui/util/qshadernode.cpp @@ -0,0 +1,172 @@ +/**************************************************************************** +** +** Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB). +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the Qt Quick Layouts 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 "qshadernode_p.h" + +QT_BEGIN_NAMESPACE + +QShaderNode::Type QShaderNode::type() const Q_DECL_NOTHROW +{ + int inputCount = 0; + int outputCount = 0; + for (const auto &port : qAsConst(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 Q_DECL_NOTHROW +{ + return m_uuid; +} + +void QShaderNode::setUuid(const QUuid &uuid) Q_DECL_NOTHROW +{ + m_uuid = uuid; +} + +QStringList QShaderNode::layers() const Q_DECL_NOTHROW +{ + return m_layers; +} + +void QShaderNode::setLayers(const QStringList &layers) Q_DECL_NOTHROW +{ + m_layers = layers; +} + +QVector<QShaderNodePort> QShaderNode::ports() const Q_DECL_NOTHROW +{ + 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); +} + +QVector<QShaderFormat> QShaderNode::availableFormats() const +{ + auto res = QVector<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 auto it = std::find_if(m_rules.crbegin(), m_rules.crend(), + [format](const QPair<QShaderFormat, Rule> &entry) { + return format.supports(entry.first); + }); + return it != m_rules.crend() ? it->second : Rule(); +} + +QShaderNode::Rule::Rule(const QByteArray &subs, const QByteArrayList &snippets) Q_DECL_NOTHROW + : substitution(subs), + headerSnippets(snippets) +{ +} + +bool operator==(const QShaderNode::Rule &lhs, const QShaderNode::Rule &rhs) Q_DECL_NOTHROW +{ + return lhs.substitution == rhs.substitution + && lhs.headerSnippets == rhs.headerSnippets; +} + +QT_END_NAMESPACE |