1: /* Routines to visualize DMs through GLVis */

  3:  #include <petsc/private/dmimpl.h>
  4:  #include <petsc/private/glvisviewerimpl.h>

  6: PetscErrorCode DMView_GLVis(DM dm, PetscViewer viewer, PetscErrorCode (*DMView_GLVis_ASCII)(DM,PetscViewer))
  7: {
  9:   PetscBool      isglvis,isascii;

 14:   PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERGLVIS,&isglvis);
 15:   PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&isascii);
 16:   if (!isglvis && !isascii) SETERRQ(PetscObjectComm((PetscObject)viewer),PETSC_ERR_SUP,"Viewer must be of type VIEWERGLVIS or VIEWERASCII");
 17:   if (isglvis) {
 18:     PetscViewerGLVisType type;
 19:     PetscViewer          view;

 21:     PetscViewerGLVisGetType_Private(viewer,&type);
 22:     PetscViewerGLVisGetDMWindow_Private(viewer,&view);
 23:     if (!view) return(0); /* socket window has been closed */
 24:     if (type == PETSC_VIEWER_GLVIS_SOCKET) {
 25:       PetscMPIInt size,rank;
 26:       PetscInt    sdim;
 27:       const char* name;

 29:       MPI_Comm_size(PetscObjectComm((PetscObject)dm),&size);
 30:       MPI_Comm_rank(PetscObjectComm((PetscObject)dm),&rank);
 31:       DMGetCoordinateDim(dm,&sdim);
 32:       PetscObjectGetName((PetscObject)dm,&name);

 34:       PetscGLVisCollectiveBegin(PetscObjectComm((PetscObject)dm),&view);
 35:       PetscViewerASCIIPrintf(view,"parallel %d %d\nmesh\n",size,rank);
 36:       DMView_GLVis_ASCII(dm,view);
 37:       PetscViewerGLVisInitWindow_Private(view,PETSC_TRUE,sdim,name);
 38:       PetscGLVisCollectiveEnd(PetscObjectComm((PetscObject)dm),&view);
 39:     } else {
 40:       DMView_GLVis_ASCII(dm,view);
 41:     }
 42:     PetscViewerGLVisRestoreDMWindow_Private(viewer,&view);
 43:   } else {
 44:     DMView_GLVis_ASCII(dm,viewer);
 45:   }
 46:   return(0);
 47: }