source: trunk/src/opengl/qgl_x11.cpp@ 276

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#include "qgl.h"
#include "qgl_p.h"

#include "qmap.h"
#include "qapplication.h"
#include "qcolormap.h"
#include "qdesktopwidget.h"
#include "qpixmap.h"
#include "qhash.h"
#include "qlibrary.h"
#include "qdebug.h"
#include <private/qfontengine_ft_p.h>
#include <private/qt_x11_p.h>
#ifdef Q_OS_HPUX
// for GLXPBuffer
#include <private/qglpixelbuffer_p.h>
#endif

#define INT8  dummy_INT8
#define INT32 dummy_INT32
#include <GL/glx.h>
#undef  INT8
#undef  INT32
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xos.h>
#include <X11/Xatom.h>

#if defined(Q_OS_LINUX) || defined(Q_OS_BSD4)
#include <dlfcn.h>
#endif

QT_BEGIN_NAMESPACE

extern Drawable qt_x11Handle(const QPaintDevice *pd);
extern const QX11Info *qt_x11Info(const QPaintDevice *pd);

#ifndef GLX_ARB_multisample
#define GLX_SAMPLE_BUFFERS_ARB  100000
#define GLX_SAMPLES_ARB         100001
#endif

/*
  The qt_gl_choose_cmap function is internal and used by QGLWidget::setContext()
  and GLX (not Windows).  If the application can't find any sharable
  colormaps, it must at least create as few colormaps as possible.  The
  dictionary solution below ensures only one colormap is created per visual.
  Colormaps are also deleted when the application terminates.
*/

struct QCMapEntry {
    QCMapEntry();
    ~QCMapEntry();

    Colormap cmap;
    bool alloc;
    XStandardColormap scmap;
};

QCMapEntry::QCMapEntry()
{
    cmap = 0;