SbGlContextHelper.h

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/*=======================================================================
 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
 ***              AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT.                     ***
 ***                                                                                ***
 ***  REPRODUCTION, DISCLOSURE,  OR USE,  IN WHOLE OR IN PART,  OTHER THAN AS       ***
 ***  SPECIFIED  IN THE LICENSE ARE  NOT TO BE  UNDERTAKEN  EXCEPT WITH PRIOR       ***
 ***  WRITTEN AUTHORIZATION OF FEI S.A.S.                                           ***
 ***                                                                                ***
 ***                        RESTRICTED RIGHTS LEGEND                                ***
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 ***  SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT      ***
 ***  CLAUSE  AT FAR 52.227-19  OR SUBPARAGRAPH  (C)(1)(II)  OF  THE RIGHTS IN      ***
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 ***                   COPYRIGHT (C) 1996-2024 BY FEI S.A.S,                        ***
 ***                        BORDEAUX, FRANCE                                        ***
 ***                      ALL RIGHTS RESERVED                                       ***
**=======================================================================*/
/*=======================================================================
** Author      : Benjamin GRANGE (Dec 2008)
**=======================================================================*/
 
 
#ifndef SB_GL_CONTEXT_HELPER_H
#define SB_GL_CONTEXT_HELPER_H
 
#include <Inventor/SbBase.h>
#include <vector>
 
#ifndef HIDDEN_FROM_DOC
 
#if defined(OIV_HEADLESS)
typedef void *EGLDisplay;
typedef void *EGLConfig;
typedef void *EGLSurface;
typedef void *EGLContext;
#elif defined(_WIN32)
#elif defined(__APPLE__)
typedef struct _CGLContextObject *CGLContextObj;
typedef struct _CGLPixelFormatObject *CGLPixelFormatObj;
typedef unsigned int CGDirectDisplayID;
#else
typedef struct _XDisplay Display;
typedef unsigned long GLXDrawable;
typedef unsigned long GLXPixmap;
typedef struct __GLXcontextRec *GLXContext;
typedef unsigned long GLXFBConfigID;
typedef unsigned long GLXWindow;
typedef unsigned long GLXPbuffer;
typedef unsigned long Colormap;
typedef unsigned long Pixmap;
typedef unsigned long Window;
#if !defined(BUILDING_SB_GL_CONTEXT_HELPER)
typedef struct __GLXFBConfigRec *GLXFBConfig;
#endif
#endif
 
#endif //HIDDEN_FROM_DOC
 
class SoGLContext;
 
class SbGLShareContext
{
public:
  SoGLContext *shareContext;
  int shareContextID;
 
private:
 
 
  SbGLShareContext();
 
 
  SbGLShareContext(SoGLContext *shareContext, int shareContextID);
 
 
  SoGLContext * getContext();
 
 
  int getContextGroupId();
};
 
 
inline
SbGLShareContext::SbGLShareContext()
{
  shareContext = NULL;
  shareContextID = 0;
}
 
inline 
SbGLShareContext::SbGLShareContext(SoGLContext* _shareContext, int _shareContextID)
{
  shareContext = _shareContext;
  shareContextID = _shareContextID;
}
 
inline SoGLContext * 
SbGLShareContext::getContext()
{
  return shareContext;
}
 
inline int
SbGLShareContext::getContextGroupId()
{
  return shareContextID;
}
 
namespace SbGlContextHelper
{
#if defined(OIV_HEADLESS)
  typedef EGLDisplay Display;
  typedef EGLContext GLContext;
  typedef EGLConfig VisualInfo;
  typedef EGLSurface Drawable;
#elif defined(_WIN32)
  typedef HDC Display;
  typedef HGLRC GLContext;
  typedef PIXELFORMATDESCRIPTOR* VisualInfo;
  typedef int Drawable;
#elif defined(__APPLE__)
  #undef Display
  typedef int Display;
  typedef CGLContextObj GLContext;
  typedef CGLPixelFormatObj VisualInfo;
  typedef void* Drawable;
#else
  typedef ::Display* Display;
  typedef GLXContext GLContext;
  typedef void* VisualInfo;
  typedef GLXDrawable Drawable;
#endif
 
   GLContext getCurrentContext();
 
   Display getCurrentDisplay();
 
   Drawable getCurrentDrawable();
 
   bool isValidDisplay(Display dpy);
 
   VisualInfo getWindowVisualInfo(Display dpy, Drawable drawable);
 
   VisualInfo getWindowVisualInfo(Display dpy, Drawable drawable, GLContext ctx);
 
  
   void releaseVisualInfo(VisualInfo visualInfo);
 
   GLContext createContext(Display dpy, VisualInfo vis, GLContext shareList, 
                                         bool direct);
 
   bool destroyContext(Display dpy, GLContext ctx);
 
   bool makeCurrent(Display dpy, Drawable drawable, GLContext ctx);
 
  SoINTERNAL  GLContext createContextAttribs(Display dpy, VisualInfo vis, GLContext shareList,
                                                           bool direct, const std::vector<int> &attribs);
}
 
#endif