GHOST_ContextGLX.hh

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/* SPDX-FileCopyrightText: 2014 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include "GHOST_Context.hh"
 
#include <epoxy/glx.h>
 
#ifndef GHOST_OPENGL_GLX_CONTEXT_FLAGS
/* leave as convenience define for the future */
#  define GHOST_OPENGL_GLX_CONTEXT_FLAGS 0
#endif
 
#ifndef GHOST_OPENGL_GLX_RESET_NOTIFICATION_STRATEGY
#  define GHOST_OPENGL_GLX_RESET_NOTIFICATION_STRATEGY 0
#endif
 
class GHOST_ContextGLX : public GHOST_Context {
  /* XR code needs low level graphics data to send to OpenXR. */
  friend class GHOST_XrGraphicsBindingOpenGL;
 
 public:
  GHOST_ContextGLX(bool stereoVisual,
                   Window window,
                   Display *display,
                   GLXFBConfig fbconfig,
                   int contextProfileMask,
                   int contextMajorVersion,
                   int contextMinorVersion,
                   int contextFlags,
                   int contextResetNotificationStrategy);
 
  ~GHOST_ContextGLX() override;
 
  GHOST_TSuccess swapBuffers() override;
 
  GHOST_TSuccess activateDrawingContext() override;
 
  GHOST_TSuccess releaseDrawingContext() override;
 
  GHOST_TSuccess initializeDrawingContext() override;
 
  GHOST_TSuccess releaseNativeHandles() override;
 
  GHOST_TSuccess setSwapInterval(int interval) override;
 
  GHOST_TSuccess getSwapInterval(int &intervalOut) override;
 
 private:
  Display *m_display;
  GLXFBConfig m_fbconfig;
  Window m_window;
 
  const int m_contextProfileMask;
  const int m_contextMajorVersion;
  const int m_contextMinorVersion;
  const int m_contextFlags;
  const int m_contextResetNotificationStrategy;
 
  GLXContext m_context;
 
  static GLXContext s_sharedContext;
  static int s_sharedCount;
};
 
/* used to get GLX info */
int GHOST_X11_GL_GetAttributes(
    int *attribs, int attribs_max, bool is_stereo_visual, bool need_alpha, bool for_fb_config);