C++ (Cpp) x11_screen_probe_dri2 Exemples

Exemple #1

Fichier : native_dri2.c Projet : CSRedRat/mesa-1

/**
 * Initialize DRI2 and pipe screen.
 */
static boolean
dri2_display_init_screen(struct native_display *ndpy)
{
   struct dri2_display *dri2dpy = dri2_display(ndpy);
   int fd;

   if (!x11_screen_support(dri2dpy->xscr, X11_SCREEN_EXTENSION_DRI2) ||
       !x11_screen_support(dri2dpy->xscr, X11_SCREEN_EXTENSION_GLX)) {
      _eglLog(_EGL_WARNING, "GLX/DRI2 is not supported");
      return FALSE;
   }

   dri2dpy->dri_driver = x11_screen_probe_dri2(dri2dpy->xscr,
         &dri2dpy->dri_major, &dri2dpy->dri_minor);

   fd = x11_screen_enable_dri2(dri2dpy->xscr,
         dri2_display_invalidate_buffers, &dri2dpy->base);
   if (fd < 0)
      return FALSE;

   dri2dpy->base.screen =
      dri2dpy->event_handler->new_drm_screen(&dri2dpy->base,
            dri2dpy->dri_driver, fd);
   if (!dri2dpy->base.screen) {
      _eglLog(_EGL_DEBUG, "failed to create DRM screen");
      return FALSE;
   }

   return TRUE;
}

Exemple #2

Fichier : x11_screen.c Projet : GunioRobot/mesa-7.10.2-PS3

/**
 * Enable DRI2 and returns the file descriptor of the DRM device.  The file
 * descriptor will be closed automatically when the screen is destoryed.
 */
int
x11_screen_enable_dri2(struct x11_screen *xscr,
                       x11_drawable_invalidate_buffers invalidate_buffers,
                       void *user_data)
{
   if (xscr->dri_fd < 0) {
      int fd;
      drm_magic_t magic;

      /* get the driver name and the device name first */
      if (!x11_screen_probe_dri2(xscr, NULL, NULL))
         return -1;

      fd = open(xscr->dri_device, O_RDWR);
      if (fd < 0) {
         _eglLog(_EGL_WARNING, "failed to open %s", xscr->dri_device);
         return -1;
      }

      memset(&magic, 0, sizeof(magic));
      if (drmGetMagic(fd, &magic)) {
         _eglLog(_EGL_WARNING, "failed to get magic");
         close(fd);
         return -1;
      }

      if (!DRI2Authenticate(xscr->dpy,
               RootWindow(xscr->dpy, xscr->number), magic)) {
         _eglLog(_EGL_WARNING, "failed to authenticate magic");
         close(fd);
         return -1;
      }

      if (!x11_screen_init_glx(xscr)) {
         _eglLog(_EGL_WARNING, "failed to initialize GLX");
         close(fd);
         return -1;
      }
      if (xscr->glx_dpy->xscr) {
         _eglLog(_EGL_WARNING,
               "display is already managed by another x11 screen");
         close(fd);
         return -1;
      }

      xscr->glx_dpy->xscr = xscr;
      xscr->dri_invalidate_buffers = invalidate_buffers;
      xscr->dri_user_data = user_data;

      xscr->dri_fd = fd;
   }

   return xscr->dri_fd;
}

Exemple #3

Fichier : native_dri2.c Projet : austriancoder/mesa-1

/**
 * Initialize DRI2 and pipe screen.
 */
static boolean
dri2_display_init_screen(struct native_display *ndpy)
{
    struct dri2_display *dri2dpy = dri2_display(ndpy);
    int fd;

    if (!x11_screen_support(dri2dpy->xscr, X11_SCREEN_EXTENSION_DRI2) ||
            !x11_screen_support(dri2dpy->xscr, X11_SCREEN_EXTENSION_GLX)) {
        _eglLog(_EGL_WARNING, "GLX/DRI2 is not supported");
        return FALSE;
    }

    dri2dpy->dri_driver = x11_screen_probe_dri2(dri2dpy->xscr,
                          &dri2dpy->dri_major, &dri2dpy->dri_minor);

    fd = x11_screen_enable_dri2(dri2dpy->xscr,
                                dri2_display_invalidate_buffers, &dri2dpy->base);
    if (fd < 0)
        return FALSE;

    dri2dpy->base.screen =
        dri2dpy->event_handler->new_drm_screen(&dri2dpy->base,
                dri2dpy->dri_driver, fd);
    if (!dri2dpy->base.screen) {
        _eglLog(_EGL_DEBUG, "failed to create DRM screen");
        return FALSE;
    }

#ifdef HAVE_WAYLAND_BACKEND
    dri2dpy->base.wayland_bufmgr = wayland_drm_bufmgr_create(
                                       dri2_display_authenticate, dri2dpy,
                                       x11_screen_get_device_name(dri2dpy->xscr));

#endif

    return TRUE;
}