diff -r 000000000000 -r 1918ee327afb src/opengl/qpixmapdata_gl_p.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/opengl/qpixmapdata_gl_p.h Mon Jan 11 14:00:40 2010 +0000 @@ -0,0 +1,172 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying +** this package. +** +** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QPIXMAPDATA_GL_P_H +#define QPIXMAPDATA_GL_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 "qgl_p.h" +#include "qgl.h" + +#include "private/qpixmapdata_p.h" +#include "private/qglpaintdevice_p.h" + +QT_BEGIN_NAMESPACE + +class QPaintEngine; +class QGLFramebufferObject; +class QGLFramebufferObjectFormat; +class QGLPixmapData; + +class QGLFramebufferObjectPool +{ +public: + QGLFramebufferObject *acquire(const QSize &size, const QGLFramebufferObjectFormat &format); + void release(QGLFramebufferObject *fbo); + +private: + QList m_fbos; +}; + +QGLFramebufferObjectPool* qgl_fbo_pool(); + + +class QGLPixmapGLPaintDevice : public QGLPaintDevice +{ +public: + QPaintEngine* paintEngine() const; + + void beginPaint(); + void endPaint(); + QGLContext* context() const; + QSize size() const; + + void setPixmapData(QGLPixmapData*); +private: + QGLPixmapData *data; +}; + + +class QGLPixmapData : public QPixmapData +{ +public: + QGLPixmapData(PixelType type); + ~QGLPixmapData(); + + QPixmapData *createCompatiblePixmapData() const; + + // Re-implemented from QPixmapData: + void resize(int width, int height); + void fromImage(const QImage &image, Qt::ImageConversionFlags flags); + void copy(const QPixmapData *data, const QRect &rect); + bool scroll(int dx, int dy, const QRect &rect); + void fill(const QColor &color); + bool hasAlphaChannel() const; + QImage toImage() const; + QPaintEngine *paintEngine() const; + int metric(QPaintDevice::PaintDeviceMetric metric) const; + + // For accessing as a target: + QGLPaintDevice *glDevice() const; + + // For accessing as a source: + bool isValidContext(const QGLContext *ctx) const; + GLuint bind(bool copyBack = true) const; + QGLTexture *texture() const; + +private: + bool isValid() const; + + void ensureCreated() const; + + bool isUninitialized() const { return m_dirty && m_source.isNull(); } + + bool needsFill() const { return m_hasFillColor; } + QColor fillColor() const { return m_fillColor; } + + + + QGLPixmapData(const QGLPixmapData &other); + QGLPixmapData &operator=(const QGLPixmapData &other); + + void copyBackFromRenderFbo(bool keepCurrentFboBound) const; + QSize size() const { return QSize(w, h); } + + static bool useFramebufferObjects(); + + QImage fillImage(const QColor &color) const; + + mutable QGLFramebufferObject *m_renderFbo; + mutable QPaintEngine *m_engine; + mutable QGLContext *m_ctx; + mutable QImage m_source; + mutable QGLTexture m_texture; + + // the texture is not in sync with the source image + mutable bool m_dirty; + + // fill has been called and no painting has been done, so the pixmap is + // represented by a single fill color + mutable QColor m_fillColor; + mutable bool m_hasFillColor; + + mutable bool m_hasAlpha; + + mutable QGLPixmapGLPaintDevice m_glDevice; + + friend class QGLPixmapGLPaintDevice; +}; + +QT_END_NAMESPACE + +#endif // QPIXMAPDATA_GL_P_H + +