summaryrefslogtreecommitdiffstats
path: root/src/gui/util/qshaderformat.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/gui/util/qshaderformat.cpp')
-rw-r--r--src/gui/util/qshaderformat.cpp130
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