1 #include <petsc/private/glvisviewerimpl.h> 2 #include <petsc/private/glvisvecimpl.h> 3 4 static PetscErrorCode PetscViewerGLVisVecInfoDestroy_Private(void *ptr) 5 { 6 PetscViewerGLVisVecInfo info = (PetscViewerGLVisVecInfo)ptr; 7 PetscErrorCode ierr; 8 9 PetscFunctionBeginUser; 10 ierr = PetscFree(info->fec_type);CHKERRQ(ierr); 11 ierr = PetscFree(info);CHKERRQ(ierr); 12 PetscFunctionReturn(0); 13 } 14 15 /* the main function to visualize vectors using GLVis */ 16 PetscErrorCode VecView_GLVis(Vec U,PetscViewer viewer) 17 { 18 PetscErrorCode (*g2lfields)(PetscObject,PetscInt,PetscObject[],void*); 19 Vec *Ufield; 20 const char **fec_type; 21 PetscViewerGLVisStatus sockstatus; 22 PetscViewerGLVisType socktype; 23 void *userctx; 24 PetscInt i,nfields,*spacedim; 25 PetscBool pause = PETSC_FALSE; 26 PetscErrorCode ierr; 27 28 PetscFunctionBegin; 29 ierr = PetscViewerGLVisGetStatus_Private(viewer,&sockstatus);CHKERRQ(ierr); 30 if (sockstatus == PETSCVIEWERGLVIS_DISABLED) PetscFunctionReturn(0); 31 /* if the user did not customize the viewer through the API, we need extra data that can be attached to the Vec */ 32 ierr = PetscViewerGLVisGetFields_Private(viewer,&nfields,NULL,NULL,NULL,NULL,NULL);CHKERRQ(ierr); 33 if (!nfields) { 34 PetscObject dm; 35 36 ierr = PetscObjectQuery((PetscObject)U, "__PETSc_dm",&dm);CHKERRQ(ierr); 37 if (dm) { 38 ierr = PetscViewerGLVisSetDM_Private(viewer,dm);CHKERRQ(ierr); 39 } else SETERRQ(PetscObjectComm((PetscObject)U),PETSC_ERR_SUP,"You need to provide a DM or use PetscViewerGLVisSetFields()"); 40 } 41 ierr = PetscViewerGLVisGetFields_Private(viewer,&nfields,&fec_type,&spacedim,&g2lfields,(PetscObject**)&Ufield,&userctx);CHKERRQ(ierr); 42 if (!nfields) PetscFunctionReturn(0); 43 44 ierr = PetscViewerGLVisGetType_Private(viewer,&socktype);CHKERRQ(ierr); 45 46 for (i=0;i<nfields;i++) { 47 PetscObject fdm; 48 PetscContainer container; 49 50 /* attach visualization info to the vector */ 51 ierr = PetscObjectQuery((PetscObject)Ufield[i],"_glvis_info_container",(PetscObject*)&container);CHKERRQ(ierr); 52 if (!container) { 53 PetscViewerGLVisVecInfo info; 54 55 ierr = PetscNew(&info);CHKERRQ(ierr); 56 ierr = PetscStrallocpy(fec_type[i],&info->fec_type);CHKERRQ(ierr); 57 ierr = PetscContainerCreate(PetscObjectComm((PetscObject)U),&container);CHKERRQ(ierr); 58 ierr = PetscContainerSetPointer(container,(void*)info);CHKERRQ(ierr); 59 ierr = PetscContainerSetUserDestroy(container,PetscViewerGLVisVecInfoDestroy_Private);CHKERRQ(ierr); 60 ierr = PetscObjectCompose((PetscObject)Ufield[i],"_glvis_info_container",(PetscObject)container);CHKERRQ(ierr); 61 ierr = PetscContainerDestroy(&container);CHKERRQ(ierr); 62 } 63 /* attach the mesh to the viz vectors */ 64 ierr = PetscObjectQuery((PetscObject)Ufield[i], "__PETSc_dm",&fdm);CHKERRQ(ierr); 65 if (!fdm) { 66 PetscObject dm; 67 68 ierr = PetscViewerGLVisGetDM_Private(viewer,&dm);CHKERRQ(ierr); 69 if (!dm) { 70 ierr = PetscObjectQuery((PetscObject)U, "__PETSc_dm",&dm);CHKERRQ(ierr); 71 } 72 if (!dm) SETERRQ(PetscObjectComm((PetscObject)U),PETSC_ERR_SUP,"Mesh not present"); 73 ierr = PetscObjectCompose((PetscObject)Ufield[i], "__PETSc_dm",dm);CHKERRQ(ierr); 74 } 75 } 76 77 /* user-provided sampling */ 78 if (g2lfields) { 79 ierr = (*g2lfields)((PetscObject)U,nfields,(PetscObject*)Ufield,userctx);CHKERRQ(ierr); 80 } else { 81 if (nfields > 1) SETERRQ1(PetscObjectComm((PetscObject)U),PETSC_ERR_SUP,"Don't know how to sample %" PetscInt_FMT " fields",nfields); 82 ierr = VecCopy(U,Ufield[0]);CHKERRQ(ierr); 83 } 84 85 /* TODO callback to user routine to disable/enable subdomains */ 86 for (i=0; i<nfields; i++) { 87 PetscObject dm; 88 PetscViewer view; 89 90 ierr = PetscObjectQuery((PetscObject)Ufield[i], "__PETSc_dm",&dm);CHKERRQ(ierr); 91 ierr = PetscViewerGLVisGetWindow_Private(viewer,i,&view);CHKERRQ(ierr); 92 if (!view) continue; /* socket window has been closed */ 93 if (socktype == PETSC_VIEWER_GLVIS_SOCKET) { 94 PetscMPIInt size,rank; 95 const char *name; 96 97 ierr = MPI_Comm_size(PetscObjectComm(dm),&size);CHKERRMPI(ierr); 98 ierr = MPI_Comm_rank(PetscObjectComm(dm),&rank);CHKERRMPI(ierr); 99 ierr = PetscObjectGetName((PetscObject)Ufield[i],&name);CHKERRQ(ierr); 100 101 ierr = PetscGLVisCollectiveBegin(PetscObjectComm(dm),&view);CHKERRQ(ierr); 102 ierr = PetscViewerASCIIPrintf(view,"parallel %d %d\nsolution\n",size,rank);CHKERRQ(ierr); 103 ierr = PetscObjectView(dm,view);CHKERRQ(ierr); 104 ierr = VecView(Ufield[i],view);CHKERRQ(ierr); 105 ierr = PetscViewerGLVisInitWindow_Private(view,PETSC_FALSE,spacedim[i],name);CHKERRQ(ierr); 106 ierr = PetscGLVisCollectiveEnd(PetscObjectComm(dm),&view);CHKERRQ(ierr); 107 if (view) pause = PETSC_TRUE; /* at least one window is connected */ 108 } else { 109 ierr = PetscObjectView(dm,view);CHKERRQ(ierr); 110 ierr = VecView(Ufield[i],view);CHKERRQ(ierr); 111 } 112 ierr = PetscViewerGLVisRestoreWindow_Private(viewer,i,&view);CHKERRQ(ierr); 113 } 114 if (pause) {ierr = PetscViewerGLVisPause_Private(viewer);CHKERRQ(ierr);} 115 PetscFunctionReturn(0); 116 } 117