GHOST_ContextEGL.h

Go to the documentation of this file.

/*
 * 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_Context.h"
 
#include <GL/eglew.h>
 
#ifndef GHOST_OPENGL_EGL_CONTEXT_FLAGS
#  define GHOST_OPENGL_EGL_CONTEXT_FLAGS 0
#endif
 
#ifndef GHOST_OPENGL_EGL_RESET_NOTIFICATION_STRATEGY
#  define GHOST_OPENGL_EGL_RESET_NOTIFICATION_STRATEGY 0
#endif
 
class GHOST_ContextEGL : public GHOST_Context {
 public:
  GHOST_ContextEGL(bool stereoVisual,
                   EGLNativeWindowType nativeWindow,
                   EGLNativeDisplayType nativeDisplay,
                   EGLint contextProfileMask,
                   EGLint contextMajorVersion,
                   EGLint contextMinorVersion,
                   EGLint contextFlags,
                   EGLint contextResetNotificationStrategy,
                   EGLenum api);
 
  ~GHOST_ContextEGL();
 
  GHOST_TSuccess swapBuffers();
 
  GHOST_TSuccess activateDrawingContext();
 
  GHOST_TSuccess releaseDrawingContext();
 
  GHOST_TSuccess initializeDrawingContext();
 
  GHOST_TSuccess releaseNativeHandles();
 
  GHOST_TSuccess setSwapInterval(int interval);
 
  GHOST_TSuccess getSwapInterval(int &intervalOut);
 
 private:
  bool initContextEGLEW();
 
  EGLNativeDisplayType m_nativeDisplay;
  EGLNativeWindowType m_nativeWindow;
 
  const EGLint m_contextProfileMask;
  const EGLint m_contextMajorVersion;
  const EGLint m_contextMinorVersion;
  const EGLint m_contextFlags;
  const EGLint m_contextResetNotificationStrategy;
 
  const EGLenum m_api;
 
  EGLContext m_context;
  EGLSurface m_surface;
  EGLDisplay m_display;
 
  EGLint m_swap_interval;
 
  EGLContext &m_sharedContext;
  EGLint &m_sharedCount;
 
  static EGLContext s_gl_sharedContext;
  static EGLint s_gl_sharedCount;
 
  static EGLContext s_gles_sharedContext;
  static EGLint s_gles_sharedCount;
 
  static EGLContext s_vg_sharedContext;
  static EGLint s_vg_sharedCount;
 
#ifdef WITH_GL_ANGLE
  static HMODULE s_d3dcompiler;
#endif
};