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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 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>
+
+#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 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;
+ 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