Exemplo n.º 1
0
void icetDestroyContext(IceTContext context)
{
    IceTContext saved_current_context;

    saved_current_context = icetGetContext();
    if (context == saved_current_context) {
        icetRaiseDebug("Destroying current context.");
        saved_current_context = NULL;
    }

  /* Temporarily make the context to be destroyed current. */
    icetSetContext(context);

  /* Call destructors for other dependent units. */
    callDestructor(ICET_RENDER_LAYER_DESTRUCTOR);

  /* From here on out be careful.  We are invalidating the context. */
    context->magic_number = 0;

    icetStateDestroy(context->state);
    context->state = NULL;

    context->communicator->Destroy(context->communicator);

  /* The context is now completely destroyed and now null.  Restore saved
     context. */
    icetSetContext(saved_current_context);
}
Exemplo n.º 2
0
IceTContext icetCreateContext(IceTCommunicator comm)
{
    int idx;

    for (idx = 0; idx < num_contexts; idx++) {
        if (context_list[idx].state == NULL) {
            break;
        }
    }

    if (idx >= num_contexts) {
        num_contexts += 4;
        context_list = realloc(context_list,
                               num_contexts*sizeof(struct IceTContext));
        memset(context_list + idx, 0, 4 * sizeof(struct IceTContext));
    }

    context_list[idx].communicator = comm->Duplicate(comm);

    context_list[idx].buffer = NULL;
    context_list[idx].buffer_size = 0;
    context_list[idx].buffer_offset = 0;

    context_list[idx].display_inflate_texture = 0;

    context_list[idx].state = icetStateCreate();

    icetSetContext(idx);
    icetStateSetDefaults();

    return idx;
}
Exemplo n.º 3
0
IceTContext icetCreateContext(IceTCommunicator comm)
{
    IceTContext context = malloc(sizeof(struct IceTContextStruct));

    context->magic_number = CONTEXT_MAGIC_NUMBER;

    context->communicator = comm->Duplicate(comm);

    context->state = icetStateCreate();

    icetSetContext(context);
    icetStateSetDefaults();

    return context;
}
Exemplo n.º 4
0
// ****************************************************************************
//  Method: IceTNetworkManager default constructor
//
//  Programmer: Tom Fogal
//  Creation:   June 17, 2008
//
//  Modifications:
//
//    Tom Fogal, Wed May 18 11:57:34 MDT 2011
//    Initialize 'renderings'.
//
// ****************************************************************************
IceTNetworkManager::IceTNetworkManager(void): NetworkManager(), renderings(0)
{
    this->comm = icetCreateMPICommunicator(VISIT_MPI_COMM);
    DEBUG_ONLY(ICET_CHECK_ERROR);
    this->context = icetCreateContext(comm);
    DEBUG_ONLY(ICET_CHECK_ERROR);

    ICET(icetSetContext(this->context));

    DEBUG_ONLY(ICET(icetDiagnostics(ICET_DIAG_FULL)));

    ICET(icetStrategy(ICET_STRATEGY_REDUCE));
    ICET(icetDrawFunc(render));

    ICET(icetDisable(ICET_DISPLAY));
    ICET(icetInputOutputBuffers(
            ICET_COLOR_BUFFER_BIT | ICET_DEPTH_BUFFER_BIT, /* inputs */
            ICET_COLOR_BUFFER_BIT | ICET_DEPTH_BUFFER_BIT  /* outputs */
        ));

    DEBUG_ONLY(PR_ICET_MPI);
}