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authorLars Knoll <lars.knoll@nokia.com>2009-03-23 10:18:55 +0100
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 10:18:55 +0100
commite5fcad302d86d316390c6b0f62759a067313e8a9 (patch)
treec2afbf6f1066b6ce261f14341cf6d310e5595bc1 /src/opengl/qglpixmapfilter_p.h
Long live Qt 4.5!
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+/****************************************************************************
+**
+** 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