GHOST_Context.h

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/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The Original Code is Copyright (C) 2013 Blender Foundation.
 * All rights reserved.
 */
 
#pragma once
 
#include "GHOST_IContext.h"
#include "GHOST_Types.h"
 
#include "glew-mx.h"
 
#include <cstdlib>  // for NULL
 
class GHOST_Context : public GHOST_IContext {
 public:
  GHOST_Context(bool stereoVisual) : m_stereoVisual(stereoVisual)
  {
  }
 
  virtual ~GHOST_Context()
  {
  }
 
  virtual GHOST_TSuccess swapBuffers() = 0;
 
  virtual GHOST_TSuccess activateDrawingContext() = 0;
 
  virtual GHOST_TSuccess releaseDrawingContext() = 0;
 
  virtual GHOST_TSuccess initializeDrawingContext() = 0;
 
  virtual GHOST_TSuccess updateDrawingContext()
  {
    return GHOST_kFailure;
  }
 
  virtual GHOST_TSuccess releaseNativeHandles() = 0;
 
  virtual GHOST_TSuccess setSwapInterval(int /*interval*/)
  {
    return GHOST_kFailure;
  }
 
  virtual GHOST_TSuccess getSwapInterval(int &)
  {
    return GHOST_kFailure;
  }
 
  inline bool isStereoVisual() const
  {
    return m_stereoVisual;
  }
 
  virtual inline bool isUpsideDown() const
  {
    return false;
  }
 
  virtual unsigned int getDefaultFramebuffer()
  {
    return 0;
  }
 
 protected:
  void initContextGLEW();
 
  bool m_stereoVisual;
 
  static void initClearGL();
 
#ifdef WITH_CXX_GUARDEDALLOC
  MEM_CXX_CLASS_ALLOC_FUNCS("GHOST:GHOST_Context")
#endif
};
 
#ifdef _WIN32
bool win32_chk(bool result, const char *file = NULL, int line = 0, const char *text = NULL);
bool win32_silent_chk(bool result);
 
#  ifndef NDEBUG
#    define WIN32_CHK(x) win32_chk((x), __FILE__, __LINE__, #    x)
#  else
#    define WIN32_CHK(x) win32_chk(x)
#  endif
 
#  define WIN32_CHK_SILENT(x, silent) ((silent) ? win32_silent_chk(x) : WIN32_CHK(x))
#endif /* _WIN32 */