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Diffstat (limited to 'src/opengl/qglpixmapfilter_p.h')
-rw-r--r-- | src/opengl/qglpixmapfilter_p.h | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/src/opengl/qglpixmapfilter_p.h b/src/opengl/qglpixmapfilter_p.h new file mode 100644 index 0000000000..dc2eea6a4b --- /dev/null +++ b/src/opengl/qglpixmapfilter_p.h @@ -0,0 +1,123 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtOpenGL module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QGLPIXMAPFILTER_P_H +#define QGLPIXMAPFILTER_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 <private/qpixmapfilter_p.h> + +#include <QtOpenGL/qgl.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +class QGLPixelBuffer; + +QT_MODULE(OpenGL) + +class QGLPixmapFilterBase +{ +public: + virtual ~QGLPixmapFilterBase() {} +protected: + void bindTexture(const QPixmap &src) const; + void drawImpl(QPainter *painter, const QPointF &pos, const QPixmap &src, const QRectF &srcRect = QRectF()) const; + + virtual bool processGL(QPainter *painter, const QPointF &pos, const QPixmap &src, const QRectF &srcRect) const = 0; +}; + +template <typename Filter> +class QGLPixmapFilter : public Filter, public QGLPixmapFilterBase +{ +public: + void draw(QPainter *painter, const QPointF &pos, const QPixmap &src, const QRectF &srcRect = QRectF()) const { + const QRectF source = srcRect.isNull() ? QRectF(src.rect()) : srcRect; + if (painter) + drawImpl(painter, pos, src, source); + } +}; + +class Q_OPENGL_EXPORT QGLSLProgram +{ +public: + QGLSLProgram(const QString &src); + ~QGLSLProgram(); + + bool success() const; + + void enable(); + void disable(); + + int getUniformLocation(const QString &name); + + void setUniform(int uniform, int value); + void setUniform(int uniform, qreal value); + void setUniform(int uniform, qreal v1, qreal v2); + void setUniform(int uniform, qreal v1, qreal v2, qreal v3); + void setUniform(int uniform, qreal v1, qreal v2, qreal v3, qreal v4); + void setUniform(int uniform, int count, float *v); + +private: + GLuint m_shader; + GLuint m_program; + + GLint m_valid; + + const QGLContext *ctx; +}; + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif // QGLPIXMAPFILTER_P_H |