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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 "qshaderformat_p.h"
QT_BEGIN_NAMESPACE
QShaderFormat::QShaderFormat() noexcept
: m_api(NoApi)
, m_shaderType(Fragment)
{
}
QShaderFormat::Api QShaderFormat::api() const noexcept
{
return m_api;
}
void QShaderFormat::setApi(QShaderFormat::Api api) noexcept
{
m_api = api;
}
QVersionNumber QShaderFormat::version() const noexcept
{
return m_version;
}
void QShaderFormat::setVersion(const QVersionNumber &version) noexcept
{
m_version = version;
}
QStringList QShaderFormat::extensions() const noexcept
{
return m_extensions;
}
void QShaderFormat::setExtensions(const QStringList &extensions) noexcept
{
m_extensions = extensions;
m_extensions.sort();
}
QString QShaderFormat::vendor() const noexcept
{
return m_vendor;
}
void QShaderFormat::setVendor(const QString &vendor) noexcept
{
m_vendor = vendor;
}
bool QShaderFormat::isValid() const noexcept
{
return m_api != NoApi && m_version.majorVersion() > 0;
}
bool QShaderFormat::supports(const QShaderFormat &other) const noexcept
{
if (!isValid() || !other.isValid())
return false;
if (m_api == OpenGLES && m_api != other.m_api)
return false;
if (m_api == OpenGLCoreProfile && m_api != other.m_api)
return false;
if (m_version < other.m_version)
return false;
if (m_shaderType != other.m_shaderType)
return false;
const auto containsAllExtensionsFromOther = std::includes(m_extensions.constBegin(),
m_extensions.constEnd(),
other.m_extensions.constBegin(),
other.m_extensions.constEnd());
if (!containsAllExtensionsFromOther)
return false;
if (!other.m_vendor.isEmpty() && m_vendor != other.m_vendor)
return false;
return true;
}
QShaderFormat::ShaderType QShaderFormat::shaderType() const Q_DECL_NOTHROW
{
return m_shaderType;
}
void QShaderFormat::setShaderType(QShaderFormat::ShaderType shaderType) Q_DECL_NOTHROW
{
m_shaderType = shaderType;
}
bool operator==(const QShaderFormat &lhs, const QShaderFormat &rhs) noexcept
{
return lhs.api() == rhs.api()
&& lhs.version() == rhs.version()
&& lhs.extensions() == rhs.extensions()
&& lhs.vendor() == rhs.vendor()
&& lhs.shaderType() == rhs.shaderType();
}
QT_END_NAMESPACE
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