panda3d/panda/src/glxdisplay/glxGraphicsStateGuardian.h
2004-08-05 16:47:41 +00:00

104 lines
3.2 KiB
C++

// Filename: glxGraphicsStateGuardian.h
// Created by: drose (27Jan03)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license. You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://etc.cmu.edu/panda3d/docs/license/ .
//
// To contact the maintainers of this program write to
// panda3d-general@lists.sourceforge.net .
//
////////////////////////////////////////////////////////////////////
#ifndef GLXGRAPHICSSTATEGUARDIAN_H
#define GLXGRAPHICSSTATEGUARDIAN_H
#include "pandabase.h"
#include "glgsg.h"
#include "glxGraphicsPipe.h"
#include <GL/glx.h>
// This must be included after we have included glgsg.h (which
// includes gl.h).
#include "glxext.h"
////////////////////////////////////////////////////////////////////
// Class : glxGraphicsStateGuardian
// Description : A tiny specialization on GLGraphicsStateGuardian to
// add some glx-specific information.
////////////////////////////////////////////////////////////////////
class glxGraphicsStateGuardian : public GLGraphicsStateGuardian {
public:
#ifdef HAVE_GLXFBCONFIG
glxGraphicsStateGuardian(const FrameBufferProperties &properties,
glxGraphicsStateGuardian *share_with,
GLXContext context, XVisualInfo *visual,
Display *display, int screen,
GLXFBConfig fbconfig);
#else
glxGraphicsStateGuardian(const FrameBufferProperties &properties,
glxGraphicsStateGuardian *share_with,
GLXContext context, XVisualInfo *visual,
Display *display, int screen);
#endif // HAVE_GLXFBCONFIG
virtual ~glxGraphicsStateGuardian();
bool glx_is_at_least_version(int major_version, int minor_version) const;
GLXContext _context;
XVisualInfo *_visual;
Display *_display;
int _screen;
#ifdef HAVE_GLXFBCONFIG
GLXFBConfig _fbconfig;
#endif // HAVE_GLXFBCONFIG
protected:
virtual void get_gl_version();
virtual void get_extra_extensions();
virtual void *get_extension_func(const char *prefix, const char *name);
private:
void *get_system_func(const char *name);
void show_glx_client_string(const string &name, int id);
void show_glx_server_string(const string &name, int id);
int _glx_version_major, _glx_version_minor;
void *_libgl_handle;
bool _checked_get_proc_address;
PFNGLXGETPROCADDRESSPROC _glxGetProcAddress;
public:
static TypeHandle get_class_type() {
return _type_handle;
}
static void init_type() {
GLGraphicsStateGuardian::init_type();
register_type(_type_handle, "glxGraphicsStateGuardian",
GLGraphicsStateGuardian::get_class_type());
}
virtual TypeHandle get_type() const {
return get_class_type();
}
virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
private:
static TypeHandle _type_handle;
};
#include "glxGraphicsStateGuardian.I"
#endif