--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/opengl/qglpixelbuffer_p.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,208 @@
+/****************************************************************************
+**
+** 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 QGLPIXELBUFFER_P_H
+#define QGLPIXELBUFFER_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of the QLibrary class.  This header file may change from
+// version to version without notice, or even be removed.
+//
+// We mean it.
+//
+
+QT_BEGIN_NAMESPACE
+
+QT_BEGIN_INCLUDE_NAMESPACE
+#include "QtOpenGL/qglpixelbuffer.h"
+#include <private/qgl_p.h>
+#include <private/qglpaintdevice_p.h>
+
+#if defined(Q_WS_X11) && !defined(QT_OPENGL_ES)
+#include <GL/glx.h>
+
+// The below is needed to for compilation on HPUX, due to broken GLX
+// headers. Some of the systems define GLX_VERSION_1_3 without
+// defining the GLXFBConfig structure, which is wrong.
+#if defined (Q_OS_HPUX) && defined(QT_DEFINE_GLXFBCONFIG_STRUCT)
+typedef unsigned long GLXPbuffer;
+
+struct GLXFBConfig {
+    int visualType;
+    int transparentType;
+                                /*    colors are floats scaled to ints */
+    int transparentRed, transparentGreen, transparentBlue, transparentAlpha;
+    int transparentIndex;
+
+    int visualCaveat;
+
+    int associatedVisualId;
+    int screen;
+
+    int drawableType;
+    int renderType;
+
+    int maxPbufferWidth, maxPbufferHeight, maxPbufferPixels;
+    int optimalPbufferWidth, optimalPbufferHeight;  /* for SGIX_pbuffer */
+
+    int visualSelectGroup;	/* visuals grouped by select priority */
+
+    unsigned int id;
+
+    GLboolean rgbMode;
+    GLboolean colorIndexMode;
+    GLboolean doubleBufferMode;
+    GLboolean stereoMode;
+    GLboolean haveAccumBuffer;
+    GLboolean haveDepthBuffer;
+    GLboolean haveStencilBuffer;
+
+    /* The number of bits present in various buffers */
+    GLint accumRedBits, accumGreenBits, accumBlueBits, accumAlphaBits;
+    GLint depthBits;
+    GLint stencilBits;
+    GLint indexBits;
+    GLint redBits, greenBits, blueBits, alphaBits;
+    GLuint redMask, greenMask, blueMask, alphaMask;
+
+    GLuint multiSampleSize;     /* Number of samples per pixel (0 if no ms) */
+
+    GLuint nMultiSampleBuffers; /* Number of available ms buffers */
+    GLint maxAuxBuffers;
+
+    /* frame buffer level */
+    GLint level;
+
+    /* color ranges (for SGI_color_range) */
+    GLboolean extendedRange;
+    GLdouble minRed, maxRed;
+    GLdouble minGreen, maxGreen;
+    GLdouble minBlue, maxBlue;
+    GLdouble minAlpha, maxAlpha;
+};
+
+#endif // Q_OS_HPUX
+
+#elif defined(Q_WS_WIN)
+DECLARE_HANDLE(HPBUFFERARB);
+#elif defined(QT_OPENGL_ES_2)
+#include <EGL/egl.h>
+#elif defined(QT_OPENGL_ES)
+#include <GLES/egl.h>
+#endif
+QT_END_INCLUDE_NAMESPACE
+
+class QEglContext;
+
+
+class QGLPBufferGLPaintDevice : public QGLPaintDevice
+{
+public:
+    virtual QPaintEngine* paintEngine() const {return pbuf->paintEngine();}
+    virtual QSize size() const {return pbuf->size();}
+    virtual QGLContext* context() const;
+    virtual void endPaint();
+    void setPBuffer(QGLPixelBuffer* pb);
+private:
+    QGLPixelBuffer* pbuf;
+};
+
+class QGLPixelBufferPrivate {
+    Q_DECLARE_PUBLIC(QGLPixelBuffer)
+public:
+    QGLPixelBufferPrivate(QGLPixelBuffer *q) : q_ptr(q), invalid(true), qctx(0), pbuf(0), ctx(0)
+    {
+        QGLExtensions::init();
+#ifdef Q_WS_WIN
+        dc = 0;
+#elif defined(Q_WS_MACX)
+        share_ctx = 0;
+#endif
+    }
+    bool init(const QSize &size, const QGLFormat &f, QGLWidget *shareWidget);
+    void common_init(const QSize &size, const QGLFormat &f, QGLWidget *shareWidget);
+    bool cleanup();
+
+    QGLPixelBuffer *q_ptr;
+    bool invalid;
+    QGLContext *qctx;
+    QGLPBufferGLPaintDevice glDevice;
+    QGLFormat format;
+
+    QGLFormat req_format;
+    QPointer<QGLWidget> req_shareWidget;
+    QSize req_size;
+
+#if defined(Q_WS_X11) && !defined(QT_OPENGL_ES)
+    GLXPbuffer pbuf;
+    GLXContext ctx;
+#elif defined(Q_WS_WIN)
+    HDC dc;
+    bool has_render_texture :1;
+#if !defined(QT_OPENGL_ES)
+    HPBUFFERARB pbuf;
+    HGLRC ctx;
+#endif
+#elif defined(Q_WS_MACX)
+#  ifdef QT_MAC_USE_COCOA
+    void *pbuf;
+    void *ctx;
+    void *share_ctx;
+#  else
+    AGLPbuffer pbuf;
+    AGLContext ctx;
+    AGLContext share_ctx;
+#  endif
+#endif
+#if defined(QT_OPENGL_ES)
+    EGLSurface pbuf;
+    QEglContext *ctx;
+    int textureFormat;
+#endif
+};
+
+QT_END_NAMESPACE
+
+#endif // QGLPIXELBUFFER_P_H