diff options
Diffstat (limited to 'src/gui/opengl/qopenglgradientcache_p.h')
-rw-r--r-- | src/gui/opengl/qopenglgradientcache_p.h | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/src/gui/opengl/qopenglgradientcache_p.h b/src/gui/opengl/qopenglgradientcache_p.h deleted file mode 100644 index 1d34223bdd..0000000000 --- a/src/gui/opengl/qopenglgradientcache_p.h +++ /dev/null @@ -1,108 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** 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. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QOPENGLGRADIENTCACHE_P_H -#define QOPENGLGRADIENTCACHE_P_H - -// -// W A R N I N G -// ------------- -// -// This file is not part of the Qt API. It exists purely as an -// implementation detail. This header file may change from version to -// version without notice, or even be removed. -// -// We mean it. -// - -#include <QtGui/private/qtguiglobal_p.h> -#include <QMultiHash> -#include <QObject> -#include <private/qopenglcontext_p.h> -#include <QtCore/qmutex.h> -#include <QGradient> -#include <qrgba64.h> - -QT_BEGIN_NAMESPACE - -class QOpenGL2GradientCache : public QOpenGLSharedResource -{ - struct CacheInfo - { - inline CacheInfo(QGradientStops s, qreal op, QGradient::InterpolationMode mode) : - stops(std::move(s)), opacity(op), interpolationMode(mode) {} - - GLuint texId; - QGradientStops stops; - qreal opacity; - QGradient::InterpolationMode interpolationMode; - }; - - typedef QMultiHash<quint64, CacheInfo> QOpenGLGradientColorTableHash; - -public: - static QOpenGL2GradientCache *cacheForContext(QOpenGLContext *context); - - QOpenGL2GradientCache(QOpenGLContext *); - ~QOpenGL2GradientCache(); - - GLuint getBuffer(const QGradient &gradient, qreal opacity); - inline int paletteSize() const { return 1024; } - - void invalidateResource() override; - void freeResource(QOpenGLContext *ctx) override; - -private: - inline int maxCacheSize() const { return 60; } - inline void generateGradientColorTable(const QGradient& gradient, - QRgba64 *colorTable, - int size, qreal opacity) const; - inline void generateGradientColorTable(const QGradient& gradient, - uint *colorTable, - int size, qreal opacity) const; - GLuint addCacheElement(quint64 hash_val, const QGradient &gradient, qreal opacity); - void cleanCache(); - - QOpenGLGradientColorTableHash cache; - QMutex m_mutex; -}; - -QT_END_NAMESPACE - -#endif // QOPENGLGRADIENTCACHE_P_H |