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Diffstat (limited to 'src/gui/util/qshaderformat.cpp')
-rw-r--r-- | src/gui/util/qshaderformat.cpp | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/src/gui/util/qshaderformat.cpp b/src/gui/util/qshaderformat.cpp new file mode 100644 index 0000000000..373bfb9e7e --- /dev/null +++ b/src/gui/util/qshaderformat.cpp @@ -0,0 +1,130 @@ +/**************************************************************************** +** +** 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() Q_DECL_NOTHROW + : m_api(NoApi) +{ +} + +QShaderFormat::Api QShaderFormat::api() const Q_DECL_NOTHROW +{ + return m_api; +} + +void QShaderFormat::setApi(QShaderFormat::Api api) Q_DECL_NOTHROW +{ + m_api = api; +} + +QVersionNumber QShaderFormat::version() const Q_DECL_NOTHROW +{ + return m_version; +} + +void QShaderFormat::setVersion(const QVersionNumber &version) Q_DECL_NOTHROW +{ + m_version = version; +} + +QStringList QShaderFormat::extensions() const Q_DECL_NOTHROW +{ + return m_extensions; +} + +void QShaderFormat::setExtensions(const QStringList &extensions) Q_DECL_NOTHROW +{ + m_extensions = extensions; + m_extensions.sort(); +} + +QString QShaderFormat::vendor() const Q_DECL_NOTHROW +{ + return m_vendor; +} + +void QShaderFormat::setVendor(const QString &vendor) Q_DECL_NOTHROW +{ + m_vendor = vendor; +} + +bool QShaderFormat::isValid() const Q_DECL_NOTHROW +{ + return m_api != NoApi && m_version.majorVersion() > 0; +} + +bool QShaderFormat::supports(const QShaderFormat &other) const Q_DECL_NOTHROW +{ + 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; + + 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; +} + +bool operator==(const QShaderFormat &lhs, const QShaderFormat &rhs) Q_DECL_NOTHROW +{ + return lhs.api() == rhs.api() + && lhs.version() == rhs.version() + && lhs.extensions() == rhs.extensions() + && lhs.vendor() == rhs.vendor(); +} + +QT_END_NAMESPACE |