FXGLContext.h

/********************************************************************************
*                                                                               *
*                     G L  R e n d e r i n g   C o n t e x t                    *
*                                                                               *
*********************************************************************************
* Copyright (C) 2000,2022 by Jeroen van der Zijp.   All Rights Reserved.        *
*********************************************************************************
* This library is free software; you can redistribute it and/or modify          *
* it under the terms of the GNU Lesser General Public License as published by   *
* the Free Software Foundation; either version 3 of the License, or             *
* (at your option) any later version.                                           *
*                                                                               *
* This library is distributed in the hope that it will be useful,               *
* but WITHOUT ANY WARRANTY; without even the implied warranty of                *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                 *
* GNU Lesser General Public License for more details.                           *
*                                                                               *
* You should have received a copy of the GNU Lesser General Public License      *
* along with this program.  If not, see <http://www.gnu.org/licenses/>          *
********************************************************************************/
#ifndef FXGLCONTEXT_H
#define FXGLCONTEXT_H

#ifndef FXID_H
#include "FXId.h"
#endif

namespace FX {


class FXAPI FXGLContext : public FXId {
  FXDECLARE(FXGLContext)
private:
  FXDrawable  *surface;         // Drawable surface
  FXGLVisual  *visual;          // Visual of the context
  FXGLContext *shared;          // Shared with other
private:
  FXGLContext(const FXGLContext&);
  FXGLContext &operator=(const FXGLContext&);
protected:
  FXGLContext();
public:

  FXGLContext(FXApp *a,FXGLVisual *vis,FXGLContext* shr=nullptr);

  virtual void create();

  virtual void detach();

  virtual void destroy();

  void setVisual(FXGLVisual* vis);

  FXGLVisual* getVisual() const { return visual; }

  void setShared(FXGLContext *ctx);

  FXGLContext* getShared() const { return shared; }

  FXDrawable *drawable() const { return surface; }

  FXbool begin(FXDrawable *draw);

  FXbool end();

  void swapBuffers();

  FXbool isCurrent() const;

  static FXbool hasCurrent();

  FXbool isDoubleBuffer() const;

  FXbool isStereo() const;

  virtual void save(FXStream& store) const;

  virtual void load(FXStream& store);

  virtual ~FXGLContext();
  };



extern FXAPI FXbool glUseFXFont(FXFont* font,int first,int count,int list);

}

#endif