Exemple #1
0
static bool gfx_ctx_x_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_x_data_t *x = (gfx_ctx_x_data_t*)data;

   x11_install_sighandlers();

   if (!x)
      return false;

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

   switch (x_api)
   {
      case GFX_CTX_OPENGL_API:
      case GFX_CTX_OPENGL_ES_API:
#ifdef HAVE_OPENGL
         vi = glXGetVisualFromFBConfig(g_x11_dpy, x->g_fbc);
         if (!vi)
            goto error;
#endif
         break;

      case GFX_CTX_NONE:
      default:
      {
         XVisualInfo vi_template;
         /* For default case, just try to obtain a visual from template. */
         int nvisuals = 0;

         memset(&vi_template, 0, sizeof(vi_template));
         vi_template.screen = DefaultScreen(g_x11_dpy);
         vi = XGetVisualInfo(g_x11_dpy, VisualScreenMask, &vi_template, &nvisuals);
         if (!vi || nvisuals < 1)
            goto error;
      }
      break;
   }

   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, &x->g_desktop_mode))
      {
         x->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);

   switch (x_api)
   {
      case GFX_CTX_OPENGL_API:
      case GFX_CTX_OPENGL_ES_API:
#ifdef HAVE_OPENGL
         x->g_glx_win = glXCreateWindow(g_x11_dpy, x->g_fbc, g_x11_win, 0);
#endif
         break;

      case GFX_CTX_NONE:
      default:
         break;
   }

   x11_set_window_attr(g_x11_dpy, g_x11_win);
   x11_update_window_title(NULL);

   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);

   switch (x_api)
   {
      case GFX_CTX_OPENGL_API:
      case GFX_CTX_OPENGL_ES_API:
#ifdef HAVE_OPENGL
         if (!x->g_ctx)
         {
            if (x->g_core_es || x->g_debug)
            {
               int attribs[16];
               int *aptr = attribs;

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

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

               *aptr = None;
               x->g_ctx = glx_create_context_attribs(g_x11_dpy,
                     x->g_fbc, NULL, True, attribs);

               if (x->g_use_hw_ctx)
               {
                  RARCH_LOG("[GLX]: Creating shared HW context.\n");
                  x->g_hw_ctx = glx_create_context_attribs(g_x11_dpy,
                        x->g_fbc, x->g_ctx, True, attribs);

                  if (!x->g_hw_ctx)
                     RARCH_ERR("[GLX]: Failed to create new shared context.\n");
               }
            }
            else
            {
               x->g_ctx = glXCreateNewContext(g_x11_dpy, x->g_fbc,
                     GLX_RGBA_TYPE, 0, True);
               if (x->g_use_hw_ctx)
               {
                  x->g_hw_ctx = glXCreateNewContext(g_x11_dpy, x->g_fbc,
                        GLX_RGBA_TYPE, x->g_ctx, True);
                  if (!x->g_hw_ctx)
                     RARCH_ERR("[GLX]: Failed to create new shared context.\n");
               }
            }

            if (!x->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,
               x->g_glx_win, x->g_glx_win, x->g_ctx);
#endif
         break;

      case GFX_CTX_VULKAN_API:
#ifdef HAVE_VULKAN
         {
            bool quit, resize;
            unsigned width, height;
            x11_check_window(x, &quit, &resize, &width, &height, 0);

            /* Use XCB surface since it's the most supported WSI.
             * We can obtain the XCB connection directly from X11. */
            if (!vulkan_surface_create(&x->vk, VULKAN_WSI_XCB,
                     g_x11_dpy, &g_x11_win, 
                     width, height, x->g_interval))
               goto error;
         }
#endif
         break;

      case GFX_CTX_NONE:
      default:
         break;
   }

   XSync(g_x11_dpy, False);

   x11_install_quit_atom();

   switch (x_api)
   {
      case GFX_CTX_OPENGL_API:
      case GFX_CTX_OPENGL_ES_API:
#ifdef HAVE_OPENGL
         glXGetConfig(g_x11_dpy, vi, GLX_DOUBLEBUFFER, &val);
         x->g_is_double = val;

         if (x->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");
#endif
         break;

      case GFX_CTX_NONE:
      default:
         break;
   }

   gfx_ctx_x_swap_interval(data, x->g_interval);

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

   XFree(vi);
   vi = NULL;

   if (!x11_input_ctx_new(true_full))
      goto error;

   return true;

error:
   if (vi)
      XFree(vi);

   gfx_ctx_x_destroy_resources(x);

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

   return false;
}
Exemple #2
0
static bool gfx_ctx_x_set_video_mode(void *data,
      video_frame_info_t *video_info,
      unsigned width, unsigned height,
      bool fullscreen)
{
   XEvent event;
   bool true_full            = false;
   bool windowed_full        = false;
   int val                   = 0;
   int x_off                 = 0;
   int y_off                 = 0;
   XVisualInfo *vi           = NULL;
   XSetWindowAttributes swa  = {0};
   char *wm_name             = NULL;
   int (*old_handler)(Display*, XErrorEvent*) = NULL;
   gfx_ctx_x_data_t *x       = (gfx_ctx_x_data_t*)data;
   Atom net_wm_icon = XInternAtom(g_x11_dpy, "_NET_WM_ICON", False);
   Atom cardinal = XInternAtom(g_x11_dpy, "CARDINAL", False);
   settings_t *settings = config_get_ptr();
   unsigned opacity = settings->uints.video_window_opacity * ((unsigned)-1 / 100.0);

   frontend_driver_install_signal_handler();

   if (!x)
      return false;

   windowed_full = video_info->windowed_fullscreen;
   true_full = false;

   switch (x_api)
   {
      case GFX_CTX_OPENGL_API:
      case GFX_CTX_OPENGL_ES_API:
#ifdef HAVE_OPENGL
         vi = glXGetVisualFromFBConfig(g_x11_dpy, x->g_fbc);
         if (!vi)
            goto error;
#endif
         break;

      case GFX_CTX_NONE:
      default:
      {
         XVisualInfo vi_template;
         /* For default case, just try to obtain a visual from template. */
         int nvisuals = 0;

         memset(&vi_template, 0, sizeof(vi_template));
         vi_template.screen = DefaultScreen(g_x11_dpy);
         vi = XGetVisualInfo(g_x11_dpy, VisualScreenMask, &vi_template, &nvisuals);
         if (!vi || nvisuals < 1)
            goto error;
      }
      break;
   }

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

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

   wm_name = x11_get_wm_name(g_x11_dpy);
   if (wm_name)
   {
      RARCH_LOG("[GLX]: Window manager is %s.\n", wm_name);

      if (true_full && strcasestr(wm_name, "xfwm"))
      {
         RARCH_LOG("[GLX]: Using override-redirect workaround.\n");
         swa.override_redirect = True;
      }
      free(wm_name);
   }
   if (!x11_has_net_wm_fullscreen(g_x11_dpy) && true_full)
      swa.override_redirect = True;

   if (video_info->monitor_index)
      g_x11_screen = video_info->monitor_index - 1;

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

      if (xinerama_get_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 | CWOverrideRedirect,
         &swa);
   XSetWindowBackground(g_x11_dpy, g_x11_win, 0);

   XChangeProperty(g_x11_dpy, g_x11_win, net_wm_icon, cardinal, 32, PropModeReplace, (const unsigned char*)retroarch_icon_data, sizeof(retroarch_icon_data) / sizeof(*retroarch_icon_data));

   if (fullscreen && settings->bools.video_disable_composition)
   {
      uint32_t value = 1;
      Atom net_wm_bypass_compositor = XInternAtom(g_x11_dpy, "_NET_WM_BYPASS_COMPOSITOR", False);

      RARCH_LOG("[GLX]: Requesting compositor bypass.\n");
      XChangeProperty(g_x11_dpy, g_x11_win, net_wm_bypass_compositor, cardinal, 32, PropModeReplace, (const unsigned char*)&value, 1);
   }

   if (opacity < (unsigned)-1)
   {
      Atom net_wm_opacity = XInternAtom(g_x11_dpy, "_NET_WM_WINDOW_OPACITY", False);
      XChangeProperty(g_x11_dpy, g_x11_win, net_wm_opacity, cardinal, 32, PropModeReplace, (const unsigned char*)&opacity, 1);
   }

   if (!settings->bools.video_window_show_decorations)
   {
      /* We could have just set _NET_WM_WINDOW_TYPE_DOCK instead, but that removes the window from any taskbar/panel,
       * so we are forced to use the old motif hints method. */
      Hints hints;
      Atom property = XInternAtom(g_x11_dpy, "_MOTIF_WM_HINTS", False);

      hints.flags = 2;
      hints.decorations = 0;

      XChangeProperty(g_x11_dpy, g_x11_win, property, property, 32, PropModeReplace, (const unsigned char*)&hints, 5);
   }

   switch (x_api)
   {
      case GFX_CTX_OPENGL_API:
      case GFX_CTX_OPENGL_ES_API:
#ifdef HAVE_OPENGL
         x->g_glx_win = glXCreateWindow(g_x11_dpy, x->g_fbc, g_x11_win, 0);
#endif
         break;

      case GFX_CTX_NONE:
      default:
         break;
   }

   x11_set_window_attr(g_x11_dpy, g_x11_win);
   x11_update_title(NULL, video_info);

   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);
      x11_set_net_wm_fullscreen(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_set_net_wm_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);

   switch (x_api)
   {
      case GFX_CTX_OPENGL_API:
      case GFX_CTX_OPENGL_ES_API:
#ifdef HAVE_OPENGL
         if (!x->g_ctx)
         {
            if (x->g_core_es || x->g_debug)
            {
               int attribs[16];
               int *aptr = attribs;

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

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

               *aptr = None;
               x->g_ctx = glx_create_context_attribs(g_x11_dpy,
                     x->g_fbc, NULL, True, attribs);

               if (x->g_use_hw_ctx)
               {
                  RARCH_LOG("[GLX]: Creating shared HW context.\n");
                  x->g_hw_ctx = glx_create_context_attribs(g_x11_dpy,
                        x->g_fbc, x->g_ctx, True, attribs);

                  if (!x->g_hw_ctx)
                     RARCH_ERR("[GLX]: Failed to create new shared context.\n");
               }
            }
            else
            {
               x->g_ctx = glXCreateNewContext(g_x11_dpy, x->g_fbc,
                     GLX_RGBA_TYPE, 0, True);
               if (x->g_use_hw_ctx)
               {
                  x->g_hw_ctx = glXCreateNewContext(g_x11_dpy, x->g_fbc,
                        GLX_RGBA_TYPE, x->g_ctx, True);
                  if (!x->g_hw_ctx)
                     RARCH_ERR("[GLX]: Failed to create new shared context.\n");
               }
            }

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

         glXMakeContextCurrent(g_x11_dpy,
               x->g_glx_win, x->g_glx_win, x->g_ctx);
#endif
         break;

      case GFX_CTX_VULKAN_API:
#ifdef HAVE_VULKAN
         {
            bool quit, resize;
            bool shutdown = false;
            unsigned width = 0, height = 0;
            x11_check_window(x, &quit, &resize, &width, &height,
                  shutdown);

            /* FIXME/TODO - threading error here */

            /* Use XCB surface since it's the most supported WSI.
             * We can obtain the XCB connection directly from X11. */
            if (!vulkan_surface_create(&x->vk, VULKAN_WSI_XCB,
                     g_x11_dpy, &g_x11_win,
                     width, height, x->g_interval))
               goto error;
         }
#endif
         break;

      case GFX_CTX_NONE:
      default:
         break;
   }

   XSync(g_x11_dpy, False);

   x11_install_quit_atom();

   switch (x_api)
   {
      case GFX_CTX_OPENGL_API:
      case GFX_CTX_OPENGL_ES_API:
#ifdef HAVE_OPENGL
         glXGetConfig(g_x11_dpy, vi, GLX_DOUBLEBUFFER, &val);
         x->g_is_double = val;

         if (x->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");
#endif
         break;

      case GFX_CTX_NONE:
      default:
         break;
   }

   gfx_ctx_x_swap_interval(data, x->g_interval);

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

   XFree(vi);
   vi = NULL;

   if (!x11_input_ctx_new(true_full))
      goto error;

   return true;

error:
   if (vi)
      XFree(vi);

   gfx_ctx_x_destroy_resources(x);

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

   return false;
}