Exemplo n.º 1
0
static bool gfx_ctx_glx_set_video_mode(void *data,
      unsigned width, unsigned height,
      bool fullscreen)
{
   XEvent event;
   bool true_full = false, windowed_full;
   int val, x_off = 0, y_off = 0;
   XVisualInfo *vi = NULL;
   XSetWindowAttributes swa = {0};
   int (*old_handler)(Display*, XErrorEvent*) = NULL;
   settings_t *settings    = config_get_ptr();
   gfx_ctx_glx_data_t *glx = (gfx_ctx_glx_data_t*)
      gfx_ctx_data_get_ptr();

   x11_install_sighandlers();

   if (!glx)
      return false;

   windowed_full = settings->video.windowed_fullscreen;
   true_full = false;

   vi = glXGetVisualFromFBConfig(g_x11_dpy, glx->g_fbc);
   if (!vi)
      goto error;

   swa.colormap = g_x11_cmap = XCreateColormap(g_x11_dpy,
         RootWindow(g_x11_dpy, vi->screen), vi->visual, AllocNone);
   swa.event_mask = StructureNotifyMask | KeyPressMask | KeyReleaseMask |
      ButtonReleaseMask | ButtonPressMask;
   swa.override_redirect = fullscreen ? True : False;

   if (fullscreen && !windowed_full)
   {
      if (x11_enter_fullscreen(g_x11_dpy, width, height, &glx->g_desktop_mode))
      {
         glx->g_should_reset_mode = true;
         true_full = true;
      }
      else
         RARCH_ERR("[GLX]: Entering true fullscreen failed. Will attempt windowed mode.\n");
   }

   if (settings->video.monitor_index)
      g_x11_screen = settings->video.monitor_index - 1;

#ifdef HAVE_XINERAMA
   if (fullscreen || g_x11_screen != 0)
   {
      unsigned new_width  = width;
      unsigned new_height = height;

      if (x11_get_xinerama_coord(g_x11_dpy, g_x11_screen,
               &x_off, &y_off, &new_width, &new_height))
         RARCH_LOG("[GLX]: Using Xinerama on screen #%u.\n", g_x11_screen);
      else
         RARCH_LOG("[GLX]: Xinerama is not active on screen.\n");

      if (fullscreen)
      {
         width  = new_width;
         height = new_height;
      }
   }
#endif

   RARCH_LOG("[GLX]: X = %d, Y = %d, W = %u, H = %u.\n",
         x_off, y_off, width, height);

   g_x11_win = XCreateWindow(g_x11_dpy, RootWindow(g_x11_dpy, vi->screen),
         x_off, y_off, width, height, 0,
         vi->depth, InputOutput, vi->visual, 
         CWBorderPixel | CWColormap | CWEventMask | (true_full ? CWOverrideRedirect : 0), &swa);
   XSetWindowBackground(g_x11_dpy, g_x11_win, 0);

   glx->g_glx_win = glXCreateWindow(g_x11_dpy, glx->g_fbc, g_x11_win, 0);

   x11_set_window_attr(g_x11_dpy, g_x11_win);

   if (fullscreen)
      x11_show_mouse(g_x11_dpy, g_x11_win, false);

   if (true_full)
   {
      RARCH_LOG("[GLX]: Using true fullscreen.\n");
      XMapRaised(g_x11_dpy, g_x11_win);
   }
   else if (fullscreen) /* We attempted true fullscreen, but failed. Attempt using windowed fullscreen. */
   {
      XMapRaised(g_x11_dpy, g_x11_win);
      RARCH_LOG("[GLX]: Using windowed fullscreen.\n");
      /* We have to move the window to the screen we want to go fullscreen on first.
       * x_off and y_off usually get ignored in XCreateWindow().
       */
      x11_move_window(g_x11_dpy, g_x11_win, x_off, y_off, width, height);
      x11_windowed_fullscreen(g_x11_dpy, g_x11_win);
   }
   else
   {
      XMapWindow(g_x11_dpy, g_x11_win);
      /* If we want to map the window on a different screen, we'll have to do it by force.
       * Otherwise, we should try to let the window manager sort it out.
       * x_off and y_off usually get ignored in XCreateWindow(). */
      if (g_x11_screen)
         x11_move_window(g_x11_dpy, g_x11_win, x_off, y_off, width, height);
   }

   x11_event_queue_check(&event);

   if (!glx->g_ctx)
   {
      if (glx->g_core_es || glx->g_debug)
      {
         int attribs[16];
         int *aptr = attribs;

         if (glx->g_core_es)
         {
            *aptr++ = GLX_CONTEXT_MAJOR_VERSION_ARB;
            *aptr++ = g_major;
            *aptr++ = GLX_CONTEXT_MINOR_VERSION_ARB;
            *aptr++ = g_minor;

            if (glx->g_core_es_core)
            {
               /* Technically, we don't have core/compat until 3.2.
                * Version 3.1 is either compat or not depending on GL_ARB_compatibility.
                */
               *aptr++ = GLX_CONTEXT_PROFILE_MASK_ARB;
#ifdef HAVE_OPENGLES2
               *aptr++ = GLX_CONTEXT_ES_PROFILE_BIT_EXT;
#else
               *aptr++ = GLX_CONTEXT_CORE_PROFILE_BIT_ARB;
#endif
            }
         }

         if (glx->g_debug)
         {
            *aptr++ = GLX_CONTEXT_FLAGS_ARB;
            *aptr++ = GLX_CONTEXT_DEBUG_BIT_ARB;
         }

         *aptr = None;
         glx->g_ctx = glx_create_context_attribs(g_x11_dpy, glx->g_fbc, NULL, True, attribs);
         if (glx->g_use_hw_ctx)
         {
            RARCH_LOG("[GLX]: Creating shared HW context.\n");
            glx->g_hw_ctx = glx_create_context_attribs(g_x11_dpy, glx->g_fbc, glx->g_ctx, True, attribs);
            if (!glx->g_hw_ctx)
               RARCH_ERR("[GLX]: Failed to create new shared context.\n");
         }
      }
      else
      {
         glx->g_ctx = glXCreateNewContext(g_x11_dpy, glx->g_fbc, GLX_RGBA_TYPE, 0, True);
         if (glx->g_use_hw_ctx)
         {
            glx->g_hw_ctx = glXCreateNewContext(g_x11_dpy, glx->g_fbc, GLX_RGBA_TYPE, glx->g_ctx, True);
            if (!glx->g_hw_ctx)
               RARCH_ERR("[GLX]: Failed to create new shared context.\n");
         }
      }

      if (!glx->g_ctx)
      {
         RARCH_ERR("[GLX]: Failed to create new context.\n");
         goto error;
      }
   }
   else
   {
      video_driver_ctl(RARCH_DISPLAY_CTL_SET_VIDEO_CACHE_CONTEXT_ACK, NULL);
      RARCH_LOG("[GLX]: Using cached GL context.\n");
   }

   glXMakeContextCurrent(g_x11_dpy, glx->g_glx_win, glx->g_glx_win, glx->g_ctx);
   XSync(g_x11_dpy, False);

   x11_install_quit_atom();

   glXGetConfig(g_x11_dpy, vi, GLX_DOUBLEBUFFER, &val);
   glx->g_is_double = val;

   if (glx->g_is_double)
   {
      const char *swap_func = NULL;

      g_pglSwapIntervalEXT = (void (*)(Display*, GLXDrawable, int))glXGetProcAddress((const GLubyte*)"glXSwapIntervalEXT");
      g_pglSwapIntervalSGI = (int (*)(int))glXGetProcAddress((const GLubyte*)"glXSwapIntervalSGI");
      g_pglSwapInterval    = (int (*)(int))glXGetProcAddress((const GLubyte*)"glXSwapIntervalMESA");

      if (g_pglSwapIntervalEXT)
         swap_func = "glXSwapIntervalEXT";
      else if (g_pglSwapInterval)
         swap_func = "glXSwapIntervalMESA";
      else if (g_pglSwapIntervalSGI)
         swap_func = "glXSwapIntervalSGI";

      if (!g_pglSwapInterval && !g_pglSwapIntervalEXT && !g_pglSwapIntervalSGI)
         RARCH_WARN("[GLX]: Cannot find swap interval call.\n");
      else
         RARCH_LOG("[GLX]: Found swap function: %s.\n", swap_func);
   }
   else
      RARCH_WARN("[GLX]: Context is not double buffered!.\n");

   gfx_ctx_glx_swap_interval(data, glx->g_interval);

   /* This can blow up on some drivers. It's not fatal, so override errors for this call. */
   old_handler = XSetErrorHandler(glx_nul_handler);
   XSetInputFocus(g_x11_dpy, g_x11_win, RevertToNone, CurrentTime);
   XSync(g_x11_dpy, False);
   XSetErrorHandler(old_handler);

   XFree(vi);

   if (!x11_input_ctx_new(true_full))
      goto error;

   return true;

error:
   if (vi)
      XFree(vi);

   ctx_glx_destroy_resources(glx);

   if (glx)
      free(glx);
   g_x11_screen = 0;

   return false;
}
Exemplo n.º 2
0
static bool gfx_ctx_xegl_set_video_mode(void *data,
   unsigned width, unsigned height,
   bool fullscreen)
{
   XEvent event;
   EGLint egl_attribs[16];
   EGLint *attr;
   EGLint vid, num_visuals;
   bool windowed_full;
   bool true_full = false;
   int x_off = 0;
   int y_off = 0;
   XVisualInfo temp = {0};
   XSetWindowAttributes swa = {0};
   XVisualInfo *vi = NULL;
   driver_t *driver     = driver_get_ptr();
   settings_t *settings = config_get_ptr();

   int (*old_handler)(Display*, XErrorEvent*) = NULL;

   x11_install_sighandlers();

   windowed_full = settings->video.windowed_fullscreen;

   attr = egl_attribs;
   attr = xegl_fill_attribs(attr);

   if (!eglGetConfigAttrib(g_egl_dpy, g_egl_config, EGL_NATIVE_VISUAL_ID, &vid))
      goto error;

   temp.visualid = vid;

   vi = XGetVisualInfo(g_x11_dpy, VisualIDMask, &temp, &num_visuals);
   if (!vi)
      goto error;

   swa.colormap = g_x11_cmap = XCreateColormap(g_x11_dpy, RootWindow(g_x11_dpy, vi->screen),
         vi->visual, AllocNone);
   swa.event_mask = StructureNotifyMask | KeyPressMask | ButtonPressMask | ButtonReleaseMask | KeyReleaseMask;
   swa.override_redirect = fullscreen ? True : False;

   if (fullscreen && !windowed_full)
   {
      if (x11_enter_fullscreen(g_x11_dpy, width, height, &g_desktop_mode))
      {
         g_should_reset_mode = true;
         true_full = true;
      }
      else
         RARCH_ERR("[X/EGL]: Entering true fullscreen failed. Will attempt windowed mode.\n");
   }

   if (settings->video.monitor_index)
      g_screen = settings->video.monitor_index - 1;

#ifdef HAVE_XINERAMA
   if (fullscreen || g_screen != 0)
   {
      unsigned new_width  = width;
      unsigned new_height = height;

      if (x11_get_xinerama_coord(g_x11_dpy, g_screen, &x_off, &y_off, &new_width, &new_height))
         RARCH_LOG("[X/EGL]: Using Xinerama on screen #%u.\n", g_screen);
      else
         RARCH_LOG("[X/EGL]: Xinerama is not active on screen.\n");

      if (fullscreen)
      {
         width  = new_width;
         height = new_height;
      }
   }
#endif

   RARCH_LOG("[X/EGL]: X = %d, Y = %d, W = %u, H = %u.\n",
         x_off, y_off, width, height);

   g_x11_win = XCreateWindow(g_x11_dpy, RootWindow(g_x11_dpy, vi->screen),
         x_off, y_off, width, height, 0,
         vi->depth, InputOutput, vi->visual, 
         CWBorderPixel | CWColormap | CWEventMask | (true_full ? CWOverrideRedirect : 0), &swa);
   XSetWindowBackground(g_x11_dpy, g_x11_win, 0);

   if (!egl_create_context((attr != egl_attribs) ? egl_attribs : NULL))
   {
      egl_report_error();
      goto error;
   }

   if (!egl_create_surface((EGLNativeWindowType)g_x11_win))
      goto error;

   x11_set_window_attr(g_x11_dpy, g_x11_win);

   if (fullscreen)
      x11_show_mouse(g_x11_dpy, g_x11_win, false);

   if (true_full)
   {
      RARCH_LOG("[X/EGL]: Using true fullscreen.\n");
      XMapRaised(g_x11_dpy, g_x11_win);
   }
   else if (fullscreen) 
   {
      /* We attempted true fullscreen, but failed.
       * Attempt using windowed fullscreen. */
      XMapRaised(g_x11_dpy, g_x11_win);
      RARCH_LOG("[X/EGL]: Using windowed fullscreen.\n");

      /* We have to move the window to the screen we 
       * want to go fullscreen on first.
       * x_off and y_off usually get ignored in XCreateWindow().
       */
      x11_move_window(g_x11_dpy, g_x11_win, x_off, y_off, width, height);
      x11_windowed_fullscreen(g_x11_dpy, g_x11_win);
   }
   else
   {
      XMapWindow(g_x11_dpy, g_x11_win);

      /* If we want to map the window on a different screen, 
       * we'll have to do it by force.
       *
       * Otherwise, we should try to let the window manager sort it out.
       * x_off and y_off usually get ignored in XCreateWindow().
       */
      if (g_screen)
         x11_move_window(g_x11_dpy, g_x11_win, x_off, y_off, width, height);
   }

   x11_event_queue_check(&event);
   x11_install_quit_atom();

   egl_set_swap_interval(data, g_interval);

   /* This can blow up on some drivers. It's not fatal, 
    * so override errors for this call.
    */
   old_handler = XSetErrorHandler(egl_nul_handler);
   XSetInputFocus(g_x11_dpy, g_x11_win, RevertToNone, CurrentTime);
   XSync(g_x11_dpy, False);
   XSetErrorHandler(old_handler);

   XFree(vi);
   g_egl_inited    = true;

   if (!x11_input_ctx_new(true_full))
      goto error;

   return true;

error:
   if (vi)
      XFree(vi);

   gfx_ctx_xegl_destroy(data);
   return false;
}