Ejemplos de PVR2DGetScreenMode en C++ (Cpp)

Ejemplo n.º 1

Archivo: pvr2d_system.c Proyecto: kuii/dfbNEON

static DFBResult
InitPVR2D( PVR2DData *pvr2d )
{
     PVR2DERROR       ePVR2DStatus;
     PVR2DDataShared *shared = pvr2d->shared;

     pvr2d->nDevices = PVR2DEnumerateDevices(0);
     pvr2d->pDevInfo = (PVR2DDEVICEINFO *) malloc(pvr2d->nDevices * sizeof(PVR2DDEVICEINFO));
     PVR2DEnumerateDevices(pvr2d->pDevInfo);
     pvr2d->nDeviceNum = pvr2d->pDevInfo[0].ulDevID;

     ePVR2DStatus = PVR2DCreateDeviceContext (pvr2d->nDeviceNum, &pvr2d->hPVR2DContext, 0);
     if (ePVR2DStatus) {
          D_ERROR( "DirectFB/PVR2D: PVR2DCreateDeviceContext() failed! (status %d)\n", ePVR2DStatus );
          return DFB_INIT;
     }

     ePVR2DStatus = PVR2DGetFrameBuffer( pvr2d->hPVR2DContext, PVR2D_FB_PRIMARY_SURFACE, &pvr2d->pFBMemInfo);
     if (ePVR2DStatus) {
          D_ERROR( "DirectFB/PVR2D: PVR2DGetFrameBuffer() failed! (status %d)\n", ePVR2DStatus );
          return DFB_INIT;
     }

     ePVR2DStatus = PVR2DGetScreenMode(pvr2d->hPVR2DContext, &pvr2d->eDisplayFormat, &pvr2d->lDisplayWidth, &pvr2d->lDisplayHeight, &pvr2d->lStride, &pvr2d->RefreshRate);
     if (ePVR2DStatus) {
          D_ERROR( "DirectFB/PVR2D: PVR2DGetScreenMode() failed! (status %d)\n", ePVR2DStatus );
          return DFB_INIT;
     }

     D_INFO( "DirectFB/PVR2D: Display %ldx%ld, format %d, stride %ld, refresh %d\n",
             pvr2d->lDisplayWidth, pvr2d->lDisplayHeight, pvr2d->eDisplayFormat, pvr2d->lStride, pvr2d->RefreshRate );

     shared->screen_size.w = pvr2d->lDisplayWidth;
     shared->screen_size.h = pvr2d->lDisplayHeight;

     return DFB_OK;
}

Ejemplo n.º 2

Archivo: gstpvrvideosink.c Proyecto: drothlis/gst-plugins-bad

static GstDrawContext *
gst_pvrvideosink_get_dcontext (GstPVRVideoSink * pvrvideosink)
{
  GstDrawContext *dcontext = NULL;
  PVR2DERROR pvr_error;
  gint refresh_rate;
  DRI2WSDisplay *displayImpl;
  WSEGLError glerror;
  const WSEGLCaps *glcaps;

  GST_DEBUG_OBJECT (pvrvideosink, "Getting draw context");

  dcontext = g_new0 (GstDrawContext, 1);
  dcontext->x_lock = g_mutex_new ();

  dcontext->p_blt_info = g_new0 (PVR2D_3DBLT_EXT, 1);
  if (!dcontext->p_blt_info)
    goto p_blt_info_alloc_failed;

  dcontext->p_blt2d_info = g_new0 (PVR2DBLTINFO, 1);

  GST_LOG_OBJECT (pvrvideosink, "Opening X Display");
  dcontext->x_display = XOpenDisplay (NULL);

  if (dcontext->x_display == NULL)
    goto fail_open_display;

  GST_LOG_OBJECT (pvrvideosink, "WSEGL_GetFunctionTablePointer()");
  dcontext->wsegl_table = WSEGL_GetFunctionTablePointer ();

  GST_LOG_OBJECT (pvrvideosink, "pfnWSEGL_IsDisplayValid()");
  glerror = dcontext->wsegl_table->pfnWSEGL_IsDisplayValid (
      (NativeDisplayType) dcontext->x_display);

  if (glerror != WSEGL_SUCCESS)
    goto display_invalid;

  GST_LOG_OBJECT (pvrvideosink, "pfnWSEGL_InitialiseDisplay()");

  glerror = dcontext->wsegl_table->pfnWSEGL_InitialiseDisplay (
      (NativeDisplayType) dcontext->x_display, &dcontext->display_handle,
      &glcaps, &dcontext->glconfig);
  if (glerror != WSEGL_SUCCESS)
    goto display_init_failed;

  displayImpl = (DRI2WSDisplay *) dcontext->display_handle;
  dcontext->pvr_context = displayImpl->hContext;

  GST_LOG_OBJECT (pvrvideosink, "PVR2DGetScreenMode()");

  pvr_error = PVR2DGetScreenMode (dcontext->pvr_context,
      &dcontext->display_format, &dcontext->display_width,
      &dcontext->display_height, &dcontext->stride, &refresh_rate);
  if (pvr_error != PVR2D_OK)
    goto screen_mode_failed;

  GST_DEBUG_OBJECT (pvrvideosink,
      "Got format:%d, width:%d, height:%d, stride:%d, refresh_rate:%d",
      dcontext->display_format, dcontext->display_width,
      dcontext->display_height, dcontext->stride, refresh_rate);

  dcontext->screen_num = DefaultScreen (dcontext->x_display);
  dcontext->black = XBlackPixel (dcontext->x_display, dcontext->screen_num);

  GST_DEBUG_OBJECT (pvrvideosink, "Returning dcontext %p", dcontext);

  return dcontext;

p_blt_info_alloc_failed:
  {
    GST_ERROR_OBJECT (pvrvideosink, "Alloc of bltinfo failed");
    gst_pvrvideosink_dcontext_free (dcontext);
    return NULL;
  }

fail_open_display:
  {
    GST_ERROR_OBJECT (pvrvideosink, "Failed to open X Display");
    gst_pvrvideosink_dcontext_free (dcontext);
    return NULL;
  }

display_invalid:
  {
    GST_ERROR_OBJECT (pvrvideosink, "Display is not valid (glerror:%d)",
        glerror);
    gst_pvrvideosink_dcontext_free (dcontext);
    return NULL;
  }

display_init_failed:
  {
    GST_ERROR_OBJECT (pvrvideosink, "Error initializing display (glerror:%d)",
        glerror);
    gst_pvrvideosink_dcontext_free (dcontext);
    return NULL;
  }

screen_mode_failed:
  {
    GST_ERROR_OBJECT (pvrvideosink, "Failed to get screen mode. error : %s",
        gst_pvr2d_error_get_string (pvr_error));
    gst_pvrvideosink_dcontext_free (dcontext);
    return NULL;
  }
}