C++ (Cpp) gtk_widget_get_gl_configの例

コード例 #1

ファイル: gtkglext.c プロジェクト: ifreedom/lgob

static int lglext_widget_get_gl_config(lua_State* L)
{
	luaL_checktype(L, 1, LUA_TUSERDATA);
	Object* obj = lua_touserdata(L, 1);

	GdkGLConfig* ptr = gtk_widget_get_gl_config(GTK_WIDGET(obj->pointer));
	object_new(L, ptr, FALSE);

	return 1;
}

コード例 #2

ファイル: simple-pbuffer-sgix.c プロジェクト: alexmurray/gtkglext

static void
render_to_file (GtkButton *button,
                GtkWidget *widget)
{
  GtkAllocation allocation;
  GdkGLConfig *glconfig;
  Display *xdisplay;
  XVisualInfo *xvinfo;
  GLXFBConfigSGIX fbconfig;

  GLXPbufferSGIX pbuffer;
  int pb_attrib_list[] = {
    GLX_LARGEST_PBUFFER_SGIX, True,
    GLX_PRESERVED_CONTENTS_SGIX, False,
    None
  };
  int width, height;

  GdkGLContext *glcontext;
  GLXContext glxcontext;

  g_print ("Render to PPM file...\n");

  glconfig = gtk_widget_get_gl_config (widget);
  xdisplay = gdk_x11_gl_config_get_xdisplay (glconfig);
  xvinfo = gdk_x11_gl_config_get_xvinfo (glconfig);

  /*
   * Get FBConfig.
   */

  g_print ("- get FBConfig\n");
  fbconfig = GetFBConfigFromVisualSGIX (xdisplay, xvinfo);
  if (!fbconfig)
    {
      g_print ("cannot get FBConfig\n");
      return;
    }

  /*
   * Create GLXPbuffer.
   */

  gtk_widget_get_allocation (widget, &allocation);
  width = allocation.width;
  height = allocation.height;

  g_print ("- create GLXPbuffer\n");
  pbuffer = CreateGLXPbufferSGIX (xdisplay, fbconfig,
                                  width, height,
                                  pb_attrib_list);
  if (!pbuffer)
    {
      g_print ("cannot create GLXPbuffer\n");
      return;
    }

  /*
   * Render.
   */

  glcontext = gtk_widget_get_gl_context (widget);
  glxcontext = gdk_x11_gl_context_get_glxcontext (glcontext);

  glXMakeCurrent (xdisplay, pbuffer, glxcontext);

  glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

  glCallList (1);

  glFlush ();

  /*
   * Write to file.
   */

  write_file ("simple-pbuffer-sgix.ppm", width, height);

  /*
   * Destroy GLXPbuffer.
   */

  glXMakeCurrent (xdisplay, None, NULL);

  g_print ("- destroy GLXPbuffer\n");
  DestroyGLXPbufferSGIX (xdisplay, pbuffer);

  g_print ("Done.\n\n");
}