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(const GHOST_ContextParams &context_params,
                   Window window,
                   Display *display,
                   GLXFBConfig fbconfig,
                   int contextProfileMask,
                   int contextMajorVersion,
                   int contextMinorVersion,
                   int contextFlags,
                   int contextResetNotificationStrategy);

  ~GHOST_ContextGLX() override;

  GHOST_TSuccess swapBufferAcquire() override
  {
    return GHOST_kSuccess;
  }

  GHOST_TSuccess swapBufferRelease() 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 &interval_out) override;
 
 private:
  Display *display_;
  GLXFBConfig fbconfig_;
  Window window_;
 
  const int context_profile_mask_;
  const int context_major_version_;
  const int context_minor_version_;
  const int context_flags_;
  const int context_reset_notification_strategy_;
 
  GLXContext 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);