Example #1
0
PyObject *PythonModules::loadModule(QString modulePath, bool reload, bool *firstLoad)
{
    PyObject *pModule = nullptr;
    if (modulePath.isEmpty()) { // should have been checked earlier already, but who knows ...
        callback->logError(tr("Empty module path name, nothing to load..."));
        return pModule;
    }

    PyGILState_STATE lgstate;
    lgstate = PyGILState_Ensure();

    if (!modulesPath.contains(modulePath)) {
        qDebug() << "Instanciating the module for the first time " << modulePath;
        QString moduleName = getModuleNameFromFile(modulePath);
        if (!checkModuleNameAndPath(modulePath, moduleName)) { // checking if the module is already there from another file
            PyGILState_Release(lgstate);
            return pModule;
        }
        pModule = PyImport_ImportModule(moduleName.toUtf8().data()); // new reference
        if (!checkPyError()) {
            callback->logError(tr("Module \"%1\" could not be loaded:\n %2").arg(modulePath).arg(errorMessage));
            pModule = nullptr;
        } else {
            if (!checkModuleNameAndPath(modulePath, moduleName)) { // checking if the module loaded comes from the file that was supplied
                Py_XDECREF(pModule);
                pModule = nullptr;
                PyGILState_Release(lgstate);
                return pModule;
            }

            if (PyObject_HasAttrString(pModule, MAIN_FUNCTION_NAME) != 1) {
                callback->logError(tr("The python module %2 does not have the %1 method").arg(QString::fromUtf8(MAIN_FUNCTION_NAME)).arg(moduleName));
                Py_XDECREF(pModule);
                pModule = nullptr;
                PyGILState_Release(lgstate);
                return pModule;
            } else {
                modulesPath.insert(modulePath,pModule);
                if (firstLoad != nullptr)
                    *firstLoad = true;
            }
        }

    } else if (reload) {
        qDebug() << "Reloading module" << modulePath;
        PyObject *oldModule = modulesPath.take(modulePath); // the module object is either going to be replaced or cleared
        // clearing global objects (we don't care about any error message here)
        PyObject * attr = PyObject_GetAttrString(oldModule,INBOUND_ATTR_NAME);
        PyErr_Clear();
        Py_XDECREF(attr);
        attr = PyObject_GetAttrString(oldModule,ISTWOWAY_ATTR_NAME);
        PyErr_Clear();
        Py_XDECREF(attr);
        attr = PyObject_GetAttrString(oldModule,PARAMS_ATTR_NAME);
        PyErr_Clear();
        Py_XDECREF(attr);
        attr = PyObject_GetAttrString(oldModule,PARAMS_NAMES_ATTR_NAME);
        PyErr_Clear();
        Py_XDECREF(attr);

        // reloading
        pModule = PyImport_ReloadModule(oldModule); // new ref ??
        if (pModule != oldModule) {
            Py_XDECREF(oldModule); // clearing the old module object if the new ref is different
        }

        if (!checkPyError()) {
            callback->logError(tr("Error(s) while reloading the module %1, removing it from the the registered modules.\n%2").arg(modulePath).arg(errorMessage));
            pModule = nullptr;
        } else {
            modulesPath.insert(modulePath,pModule);
        }

    } else {
        qDebug() << "no reload, taking the module as it is already" << modulePath;
        pModule = modulesPath.value(modulePath);
    }

    PyGILState_Release(lgstate);
    return pModule;
}
Example #2
0
void PythonHostEnvironment::prepareCallbackFinish(void* state)
{
	PyGILState_STATE* state2 = (PyGILState_STATE*)state;
	PyGILState_Release(*state2);
	delete state2;
}
Example #3
0
    ~PyThreadStateLock(void)
    {
#ifndef KBE_SINGLE_THREADED
        PyGILState_Release( state );
#endif
    }
Example #4
0
 ~PyGilStateLock(void){PyGILState_Release(_s);}
Example #5
0
int yara_callback(
    int message,
    YR_RULE* rule,
    void* data)
{
  YR_STRING* string;
  YR_MATCH* m;
  YR_META* meta;
  char* tag_name;
  size_t tag_length;

  PyObject* tag_list = NULL;
  PyObject* string_list = NULL;
  PyObject* meta_list = NULL;
  PyObject* match;
  PyObject* callback_dict;
  PyObject* object;
  PyObject* tuple;
  PyObject* matches = ((CALLBACK_DATA*) data)->matches;
  PyObject* callback = ((CALLBACK_DATA*) data)->callback;
  PyObject* callback_result;
  PyGILState_STATE gil_state;

  int result = CALLBACK_CONTINUE;

  if (message == CALLBACK_MSG_SCAN_FINISHED)
    return CALLBACK_CONTINUE;

  if (message == CALLBACK_MSG_RULE_NOT_MATCHING && callback == NULL)
    return CALLBACK_CONTINUE;

  gil_state = PyGILState_Ensure();

  tag_list = PyList_New(0);
  string_list = PyList_New(0);
  meta_list = PyDict_New();

  if (tag_list == NULL || string_list == NULL || meta_list == NULL)
  {
    Py_XDECREF(tag_list);
    Py_XDECREF(string_list);
    Py_XDECREF(meta_list);
    PyGILState_Release(gil_state);

    return CALLBACK_ERROR;
  }

  tag_name = rule->tags;
  tag_length = tag_name != NULL ? strlen(tag_name) : 0;

  while (tag_length > 0)
  {
    object = PY_STRING(tag_name);
    PyList_Append(tag_list, object);
    Py_DECREF(object);

    tag_name += tag_length + 1;
    tag_length = strlen(tag_name);
  }

  meta = rule->metas;

  while(!META_IS_NULL(meta))
  {
    if (meta->type == META_TYPE_INTEGER)
      object = Py_BuildValue("I", meta->integer);
    else if (meta->type == META_TYPE_BOOLEAN)
      object = PyBool_FromLong(meta->integer);
    else
      object = PY_STRING(meta->string);

    PyDict_SetItemString(meta_list, meta->identifier, object);
    Py_DECREF(object);

    meta++;
  }

  string = rule->strings;

  while (!STRING_IS_NULL(string))
  {
    if (STRING_FOUND(string))
    {
      m = STRING_MATCHES(string).head;

      while (m != NULL)
      {
        object = PyBytes_FromStringAndSize((char*) m->data, m->length);

        tuple = Py_BuildValue(
            "(L,s,O)",
            m->offset,
            string->identifier,
            object);

        PyList_Append(string_list, tuple);

        Py_DECREF(object);
        Py_DECREF(tuple);

        m = m->next;
      }
    }

    string++;
  }

  if (message == CALLBACK_MSG_RULE_MATCHING)
  {
    match = Match_NEW(
        rule->identifier,
        rule->ns->name,
        tag_list,
        meta_list,
        string_list);

    if (match != NULL)
    {
      PyList_Append(matches, match);
      Py_DECREF(match);
    }
    else
    {
      Py_DECREF(tag_list);
      Py_DECREF(string_list);
      Py_DECREF(meta_list);
      PyGILState_Release(gil_state);

      return CALLBACK_ERROR;
    }
  }

  if (callback != NULL)
  {
    Py_INCREF(callback);

    callback_dict = PyDict_New();

    object = PyBool_FromLong(message == CALLBACK_MSG_RULE_MATCHING);
    PyDict_SetItemString(callback_dict, "matches", object);
    Py_DECREF(object);

    object = PY_STRING(rule->identifier);
    PyDict_SetItemString(callback_dict, "rule", object);
    Py_DECREF(object);

    object = PY_STRING(rule->ns->name);
    PyDict_SetItemString(callback_dict, "namespace", object);
    Py_DECREF(object);

    PyDict_SetItemString(callback_dict, "tags", tag_list);
    PyDict_SetItemString(callback_dict, "meta", meta_list);
    PyDict_SetItemString(callback_dict, "strings", string_list);

    callback_result = PyObject_CallFunctionObjArgs(
        callback,
        callback_dict,
        NULL);

    if (callback_result != NULL)
    {
      #if PY_MAJOR_VERSION >= 3
      if (PyLong_Check(callback_result))
      #else
      if (PyLong_Check(callback_result) || PyInt_Check(callback_result))
      #endif
      {
        result = (int) PyLong_AsLong(callback_result);
      }

      Py_DECREF(callback_result);
    }
    else
    {
      result = CALLBACK_ERROR;
    }

    Py_DECREF(callback_dict);
    Py_DECREF(callback);
  }

  Py_DECREF(tag_list);
  Py_DECREF(string_list);
  Py_DECREF(meta_list);
  PyGILState_Release(gil_state);

  return result;
}
Example #6
0
 ~AcquirePyGIL() {
   PyGILState_Release(state);
 }
 void unlock()
 {
     PyGILState_Release(state_);
 }
Example #8
0
/*
 * External interface
 */
    static void
DoPyCommand(const char *cmd, rangeinitializer init_range, runner run, void *arg)
{
#ifndef PY_CAN_RECURSE
    static int		recursive = 0;
#endif
#if defined(MACOS) && !defined(MACOS_X_UNIX)
    GrafPtr		oldPort;
#endif
#if defined(HAVE_LOCALE_H) || defined(X_LOCALE)
    char		*saved_locale;
#endif
#ifdef PY_CAN_RECURSE
    PyGILState_STATE	pygilstate;
#endif

#ifndef PY_CAN_RECURSE
    if (recursive)
    {
	EMSG(_("E659: Cannot invoke Python recursively"));
	return;
    }
    ++recursive;
#endif

#if defined(MACOS) && !defined(MACOS_X_UNIX)
    GetPort(&oldPort);
    /* Check if the Python library is available */
    if ((Ptr)PyMac_Initialize == (Ptr)kUnresolvedCFragSymbolAddress)
	goto theend;
#endif
    if (Python_Init())
	goto theend;

    init_range(arg);

    Python_Release_Vim();	    /* leave vim */

#if defined(HAVE_LOCALE_H) || defined(X_LOCALE)
    /* Python only works properly when the LC_NUMERIC locale is "C". */
    saved_locale = setlocale(LC_NUMERIC, NULL);
    if (saved_locale == NULL || STRCMP(saved_locale, "C") == 0)
	saved_locale = NULL;
    else
    {
	/* Need to make a copy, value may change when setting new locale. */
	saved_locale = (char *) PY_STRSAVE(saved_locale);
	(void)setlocale(LC_NUMERIC, "C");
    }
#endif

#ifdef PY_CAN_RECURSE
    pygilstate = PyGILState_Ensure();
#else
    Python_RestoreThread();	    /* enter python */
#endif

    run((char *) cmd, arg
#ifdef PY_CAN_RECURSE
	    , &pygilstate
#endif
	    );

#ifdef PY_CAN_RECURSE
    PyGILState_Release(pygilstate);
#else
    Python_SaveThread();	    /* leave python */
#endif

#if defined(HAVE_LOCALE_H) || defined(X_LOCALE)
    if (saved_locale != NULL)
    {
	(void)setlocale(LC_NUMERIC, saved_locale);
	PyMem_Free(saved_locale);
    }
#endif

    Python_Lock_Vim();		    /* enter vim */
    PythonIO_Flush();
#if defined(MACOS) && !defined(MACOS_X_UNIX)
    SetPort(oldPort);
#endif

theend:
#ifndef PY_CAN_RECURSE
    --recursive;
#endif
    return;
}
Example #9
0
void PythonContext::executeString(const QString &filename, const QString &source)
{
  if(!initialised())
  {
    emit exception(
        lit("SystemError"),
        tr("Python integration failed to initialise, see diagnostic log for more information."), -1,
        {});
    return;
  }

  location.file = filename;
  location.line = 1;

  PyGILState_STATE gil = PyGILState_Ensure();

  PyObject *compiled =
      Py_CompileString(source.toUtf8().data(), filename.toUtf8().data(),
                       source.count(QLatin1Char('\n')) == 0 ? Py_single_input : Py_file_input);

  PyObject *ret = NULL;

  if(compiled)
  {
    PyObject *traceContext = PyDict_New();

    uintptr_t thisint = (uintptr_t) this;
    uint64_t thisuint64 = (uint64_t)thisint;
    PyObject *thisobj = PyLong_FromUnsignedLongLong(thisuint64);

    PyDict_SetItemString(traceContext, "thisobj", thisobj);
    PyDict_SetItemString(traceContext, "compiled", compiled);

    PyEval_SetTrace(&PythonContext::traceEvent, traceContext);

    m_Abort = false;

    m_State = PyGILState_GetThisThreadState();

    ret = PyEval_EvalCode(compiled, context_namespace, context_namespace);

    m_State = NULL;

    // catch any output
    outputTick();

    PyEval_SetTrace(NULL, NULL);

    Py_XDECREF(thisobj);
    Py_XDECREF(traceContext);
  }

  Py_DecRef(compiled);

  QString typeStr;
  QString valueStr;
  int finalLine = -1;
  QList<QString> frames;
  bool caughtException = (ret == NULL);

  if(caughtException)
    FetchException(typeStr, valueStr, finalLine, frames);

  Py_XDECREF(ret);

  PyGILState_Release(gil);

  if(caughtException)
    emit exception(typeStr, valueStr, finalLine, frames);
}
Example #10
0
QStringList PythonContext::completionOptions(QString base)
{
  QStringList ret;

  if(!m_Completer)
    return ret;

  QByteArray bytes = base.toUtf8();
  const char *input = (const char *)bytes.data();

  PyGILState_STATE gil = PyGILState_Ensure();

  PyObject *completeFunction = PyObject_GetAttrString(m_Completer, "complete");

  int idx = 0;
  PyObject *opt = NULL;
  do
  {
    opt = PyObject_CallFunction(completeFunction, "si", input, idx);

    if(opt && opt != Py_None)
    {
      QString optstr = ToQStr(opt);

      bool add = true;

      // little hack, remove some of the ugly swig template instantiations that we can't avoid.
      if(optstr.contains(lit("renderdoc.rdcarray")) || optstr.contains(lit("renderdoc.rdcstr")) ||
         optstr.contains(lit("renderdoc.bytebuf")))
        add = false;

      if(add)
        ret << optstr;
    }

    idx++;
  } while(opt && opt != Py_None);

  // extra hack, remove the swig object functions/data but ONLY if we find a sure-fire identifier
  // (thisown) since otherwise we could remove append from a list object
  bool containsSwigInternals = false;
  for(const QString &optstr : ret)
  {
    if(optstr.contains(lit(".thisown")))
    {
      containsSwigInternals = true;
      break;
    }
  }

  if(containsSwigInternals)
  {
    for(int i = 0; i < ret.count();)
    {
      if(ret[i].endsWith(lit(".acquire(")) || ret[i].endsWith(lit(".append(")) ||
         ret[i].endsWith(lit(".disown(")) || ret[i].endsWith(lit(".next(")) ||
         ret[i].endsWith(lit(".own(")) || ret[i].endsWith(lit(".this")) ||
         ret[i].endsWith(lit(".thisown")))
        ret.removeAt(i);
      else
        i++;
    }
  }

  Py_DecRef(completeFunction);

  PyGILState_Release(gil);

  return ret;
}
Example #11
0
PythonContext::PythonContext(QObject *parent) : QObject(parent)
{
  if(!initialised())
    return;

  // acquire the GIL and make sure this thread is init'd
  PyGILState_STATE gil = PyGILState_Ensure();

  // clone our own local context
  context_namespace = PyDict_Copy(main_dict);

  PyObject *rlcompleter = PyDict_GetItemString(main_dict, "rlcompleter");

  // for compatibility with earlier versions of python that took a char * instead of const char *
  char noparams[1] = "";

  // set global output that point to this context. It is responsible for deleting the context when
  // it goes out of scope
  PyObject *redirector = PyObject_CallFunction((PyObject *)&OutputRedirectorType, noparams);
  if(redirector)
  {
    PyDict_SetItemString(context_namespace, "_renderdoc_internal", redirector);

    OutputRedirector *output = (OutputRedirector *)redirector;
    output->context = this;
    Py_DECREF(redirector);
  }

  if(rlcompleter)
  {
    PyObject *Completer = PyObject_GetAttrString(rlcompleter, "Completer");

    if(Completer)
    {
      // create a completer for our context's namespace
      m_Completer = PyObject_CallFunction(Completer, "O", context_namespace);

      if(m_Completer)
      {
        PyDict_SetItemString(context_namespace, "_renderdoc_completer", m_Completer);
      }
      else
      {
        QString typeStr;
        QString valueStr;
        int finalLine = -1;
        QList<QString> frames;
        FetchException(typeStr, valueStr, finalLine, frames);

        // failure is not fatal
        qWarning() << "Couldn't create completion object. " << typeStr << ": " << valueStr;
        PyErr_Clear();
      }
    }

    Py_DecRef(Completer);
  }
  else
  {
    m_Completer = NULL;
  }

  // release the GIL again
  PyGILState_Release(gil);

  // every 100ms while running, check for new output
  outputTicker = new QTimer(this);
  outputTicker->setInterval(100);
  QObject::connect(outputTicker, &QTimer::timeout, this, &PythonContext::outputTick);

  // we have to start it here, because we can't start on another thread.
  outputTicker->start();
}
Example #12
0
// Initialize the QML engine.
void PyQt5QmlPlugin::initializeEngine(QQmlEngine *engine, const char *uri)
{
    if (!Py_IsInitialized() || !py_plugin_obj || !sip)
        return;

#ifdef WITH_THREAD
    PyGILState_STATE gil = PyGILState_Ensure();
#endif

    const sipTypeDef *td = sip->api_find_type("QQmlEngine");

    if (!td)
    {
        PyErr_SetString(PyExc_AttributeError,
                "unable to find type for QQmlEngine");
    }
    else
    {
        PyObject *engine_obj = sip->api_convert_from_type(engine, td, 0);

        if (!engine_obj)
        {
            td = 0;
        }
        else
        {
            PyObject *res_obj = PyObject_CallMethod(py_plugin_obj,
                    const_cast<char *>("initializeEngine"),
                    const_cast<char *>("Os"), engine_obj, uri);

            Py_DECREF(engine_obj);

            if (res_obj != Py_None)
            {
                if (res_obj)
#if PY_MAJOR_VERSION >= 3
                    PyErr_Format(PyExc_TypeError,
                            "unexpected result from initializeEngine(): %S",
                            res_obj);
#else
                {
                    PyObject *res_s = PyObject_Str(res_obj);

                    if (res_s != NULL)
                    {
                        PyErr_Format(PyExc_TypeError,
                                "unexpected result from initializeEngine(): %s",
                                PyString_AsString(res_s));

                        Py_DECREF(res_s);
                    }
                }
#endif

                td = 0;
            }

            Py_XDECREF(res_obj);
        }
    }

    if (!td)
        PyErr_Print();

#ifdef WITH_THREAD
    PyGILState_Release(gil);
#endif
}
Example #13
0
int yara_callback(
    int message,
    void* message_data,
    void* user_data)
{
  YR_STRING* string;
  YR_MATCH* m;
  YR_META* meta;
  YR_RULE* rule;
  YR_MODULE_IMPORT* module_import;

  const char* tag;

  PyObject* tag_list = NULL;
  PyObject* string_list = NULL;
  PyObject* meta_list = NULL;
  PyObject* match;
  PyObject* callback_dict;
  PyObject* object;
  PyObject* tuple;
  PyObject* matches = ((CALLBACK_DATA*) user_data)->matches;
  PyObject* callback = ((CALLBACK_DATA*) user_data)->callback;
  PyObject* modules_data = ((CALLBACK_DATA*) user_data)->modules_data;
  PyObject* modules_callback = ((CALLBACK_DATA*) user_data)->modules_callback;
  PyObject* module_data;
  PyObject* callback_result;
  PyObject* module_info_dict;

  Py_ssize_t data_size;
  PyGILState_STATE gil_state;

  int result = CALLBACK_CONTINUE;

  if (message == CALLBACK_MSG_SCAN_FINISHED)
    return CALLBACK_CONTINUE;

  if (message == CALLBACK_MSG_RULE_NOT_MATCHING && callback == NULL)
    return CALLBACK_CONTINUE;

  if (message == CALLBACK_MSG_IMPORT_MODULE && modules_data == NULL)
    return CALLBACK_CONTINUE;

  if (message == CALLBACK_MSG_MODULE_IMPORTED && modules_callback == NULL)
    return CALLBACK_CONTINUE;

  if (message == CALLBACK_MSG_IMPORT_MODULE)
  {
    gil_state = PyGILState_Ensure();
    module_import = (YR_MODULE_IMPORT*) message_data;

    module_data = PyDict_GetItemString(
        modules_data,
        module_import->module_name);

    #if PY_MAJOR_VERSION >= 3
    if (module_data != NULL && PyBytes_Check(module_data))
    #else
    if (module_data != NULL && PyString_Check(module_data))
    #endif
    {
      #if PY_MAJOR_VERSION >= 3
      PyBytes_AsStringAndSize(
          module_data,
          (char**) &module_import->module_data,
          &data_size);
      #else
      PyString_AsStringAndSize(
          module_data,
          (char**) &module_import->module_data,
          &data_size);
      #endif

      module_import->module_data_size = data_size;
    }

    PyGILState_Release(gil_state);
    return CALLBACK_CONTINUE;
  }

  if (message == CALLBACK_MSG_MODULE_IMPORTED)
  {
    gil_state = PyGILState_Ensure();

    module_info_dict = convert_structure_to_python(
        (YR_OBJECT_STRUCTURE*) message_data);

    if (module_info_dict == NULL)
      return CALLBACK_CONTINUE;

    object = PY_STRING(((YR_OBJECT_STRUCTURE*) message_data)->identifier);
    PyDict_SetItemString(module_info_dict, "module", object);
    Py_DECREF(object);

    Py_INCREF(modules_callback);

    callback_result = PyObject_CallFunctionObjArgs(
        modules_callback,
        module_info_dict,
        NULL);

    if (callback_result != NULL)
    {
      #if PY_MAJOR_VERSION >= 3
      if (PyLong_Check(callback_result))
      #else
      if (PyLong_Check(callback_result) || PyInt_Check(callback_result))
      #endif
      {
        result = (int) PyLong_AsLong(callback_result);
      }

      Py_DECREF(callback_result);
    }
    else
    {
      result = CALLBACK_ERROR;
    }

    Py_DECREF(module_info_dict);
    Py_DECREF(modules_callback);
    PyGILState_Release(gil_state);

    return result;
  }

  rule = (YR_RULE*) message_data;

  gil_state = PyGILState_Ensure();

  tag_list = PyList_New(0);
  string_list = PyList_New(0);
  meta_list = PyDict_New();

  if (tag_list == NULL || string_list == NULL || meta_list == NULL)
  {
    Py_XDECREF(tag_list);
    Py_XDECREF(string_list);
    Py_XDECREF(meta_list);
    PyGILState_Release(gil_state);

    return CALLBACK_ERROR;
  }

  yr_rule_tags_foreach(rule, tag)
  {
    object = PY_STRING(tag);
    PyList_Append(tag_list, object);
    Py_DECREF(object);
  }
Example #14
0
	inline ~gil_holder() {
		PyGILState_Release(gil_state);
	}
Example #15
0
extern "C" void StartKetsjiShell(struct bContext *C, struct ARegion *ar, rcti *cam_frame, int always_use_expand_framing)
{
	/* context values */
	struct wmWindowManager *wm= CTX_wm_manager(C);
	struct wmWindow *win= CTX_wm_window(C);
	struct Scene *startscene= CTX_data_scene(C);
	struct Main* maggie1= CTX_data_main(C);


	RAS_Rect area_rect;
	area_rect.SetLeft(cam_frame->xmin);
	area_rect.SetBottom(cam_frame->ymin);
	area_rect.SetRight(cam_frame->xmax);
	area_rect.SetTop(cam_frame->ymax);

	int exitrequested = KX_EXIT_REQUEST_NO_REQUEST;
	Main* blenderdata = maggie1;

	char* startscenename = startscene->id.name+2;
	char pathname[FILE_MAXDIR+FILE_MAXFILE], oldsce[FILE_MAXDIR+FILE_MAXFILE];
	STR_String exitstring = "";
	BlendFileData *bfd= NULL;

	BLI_strncpy(pathname, blenderdata->name, sizeof(pathname));
	BLI_strncpy(oldsce, G.main->name, sizeof(oldsce));
#ifdef WITH_PYTHON
	resetGamePythonPath(); // need this so running a second time wont use an old blendfiles path
	setGamePythonPath(G.main->name);

	// Acquire Python's GIL (global interpreter lock)
	// so we can safely run Python code and API calls
	PyGILState_STATE gilstate = PyGILState_Ensure();
	
	PyObject *pyGlobalDict = PyDict_New(); /* python utility storage, spans blend file loading */
#endif
	
	bgl::InitExtensions(true);

	// VBO code for derived mesh is not compatible with BGE (couldn't find why), so disable
	int disableVBO = (U.gameflags & USER_DISABLE_VBO);
	U.gameflags |= USER_DISABLE_VBO;

	// Globals to be carried on over blender files
	GlobalSettings gs;
	gs.matmode= startscene->gm.matmode;
	gs.glslflag= startscene->gm.flag;

	do
	{
		View3D *v3d= CTX_wm_view3d(C);
		RegionView3D *rv3d= CTX_wm_region_view3d(C);

		// get some preferences
		SYS_SystemHandle syshandle = SYS_GetSystem();
		bool properties	= (SYS_GetCommandLineInt(syshandle, "show_properties", 0) != 0);
		bool usefixed = (SYS_GetCommandLineInt(syshandle, "fixedtime", 0) != 0);
		bool profile = (SYS_GetCommandLineInt(syshandle, "show_profile", 0) != 0);
		bool frameRate = (SYS_GetCommandLineInt(syshandle, "show_framerate", 0) != 0);
		bool animation_record = (SYS_GetCommandLineInt(syshandle, "animation_record", 0) != 0);
		bool displaylists = (SYS_GetCommandLineInt(syshandle, "displaylists", 0) != 0);
#ifdef WITH_PYTHON
		bool nodepwarnings = (SYS_GetCommandLineInt(syshandle, "ignore_deprecation_warnings", 0) != 0);
#endif
		// bool novertexarrays = (SYS_GetCommandLineInt(syshandle, "novertexarrays", 0) != 0);
		bool mouse_state = startscene->gm.flag & GAME_SHOW_MOUSE;
		bool restrictAnimFPS = startscene->gm.flag & GAME_RESTRICT_ANIM_UPDATES;

		if (animation_record) usefixed= false; /* override since you don't want to run full-speed for sim recording */

		// create the canvas, rasterizer and rendertools
		RAS_ICanvas* canvas = new KX_BlenderCanvas(wm, win, area_rect, ar);
		
		// default mouse state set on render panel
		if (mouse_state)
			canvas->SetMouseState(RAS_ICanvas::MOUSE_NORMAL);
		else
			canvas->SetMouseState(RAS_ICanvas::MOUSE_INVISIBLE);
		RAS_IRenderTools* rendertools = new KX_BlenderRenderTools();
		RAS_IRasterizer* rasterizer = NULL;
		//Don't use displaylists with VBOs
		//If auto starts using VBOs, make sure to check for that here
		if (displaylists && startscene->gm.raster_storage != RAS_STORE_VBO)
			rasterizer = new RAS_ListRasterizer(canvas, true, startscene->gm.raster_storage);
		else
			rasterizer = new RAS_OpenGLRasterizer(canvas, startscene->gm.raster_storage);

		RAS_IRasterizer::MipmapOption mipmapval = rasterizer->GetMipmapping();

		
		// create the inputdevices
		KX_BlenderKeyboardDevice* keyboarddevice = new KX_BlenderKeyboardDevice();
		KX_BlenderMouseDevice* mousedevice = new KX_BlenderMouseDevice();
		
		// create a networkdevice
		NG_NetworkDeviceInterface* networkdevice = new
			NG_LoopBackNetworkDeviceInterface();

		//
		// create a ketsji/blendersystem (only needed for timing and stuff)
		KX_BlenderSystem* kxsystem = new KX_BlenderSystem();
		
		// create the ketsjiengine
		KX_KetsjiEngine* ketsjiengine = new KX_KetsjiEngine(kxsystem);
		
		// set the devices
		ketsjiengine->SetKeyboardDevice(keyboarddevice);
		ketsjiengine->SetMouseDevice(mousedevice);
		ketsjiengine->SetNetworkDevice(networkdevice);
		ketsjiengine->SetCanvas(canvas);
		ketsjiengine->SetRenderTools(rendertools);
		ketsjiengine->SetRasterizer(rasterizer);
		ketsjiengine->SetUseFixedTime(usefixed);
		ketsjiengine->SetTimingDisplay(frameRate, profile, properties);
		ketsjiengine->SetRestrictAnimationFPS(restrictAnimFPS);
		KX_KetsjiEngine::SetExitKey(ConvertKeyCode(startscene->gm.exitkey));

		//set the global settings (carried over if restart/load new files)
		ketsjiengine->SetGlobalSettings(&gs);

#ifdef WITH_PYTHON
		CValue::SetDeprecationWarnings(nodepwarnings);
#endif

		//lock frame and camera enabled - storing global values
		int tmp_lay= startscene->lay;
		Object *tmp_camera = startscene->camera;

		if (v3d->scenelock==0) {
			startscene->lay= v3d->lay;
			startscene->camera= v3d->camera;
		}

		// some blender stuff
		float camzoom;
		int draw_letterbox = 0;
		
		if (rv3d->persp==RV3D_CAMOB) {
			if (startscene->gm.framing.type == SCE_GAMEFRAMING_BARS) { /* Letterbox */
				camzoom = 1.0f;
				draw_letterbox = 1;
			}
			else {
				camzoom = 1.0f / BKE_screen_view3d_zoom_to_fac(rv3d->camzoom);
			}
		}
		else {
			camzoom = 2.0;
		}


		ketsjiengine->SetDrawType(v3d->drawtype);
		ketsjiengine->SetCameraZoom(camzoom);
		
		// if we got an exitcode 3 (KX_EXIT_REQUEST_START_OTHER_GAME) load a different file
		if (exitrequested == KX_EXIT_REQUEST_START_OTHER_GAME || exitrequested == KX_EXIT_REQUEST_RESTART_GAME)
		{
			exitrequested = KX_EXIT_REQUEST_NO_REQUEST;
			if (bfd) BLO_blendfiledata_free(bfd);
			
			char basedpath[FILE_MAX];
			// base the actuator filename with respect
			// to the original file working directory

			if (exitstring != "")
				strcpy(basedpath, exitstring.Ptr());

			// load relative to the last loaded file, this used to be relative
			// to the first file but that makes no sense, relative paths in
			// blend files should be relative to that file, not some other file
			// that happened to be loaded first
			BLI_path_abs(basedpath, pathname);
			bfd = load_game_data(basedpath);
			
			// if it wasn't loaded, try it forced relative
			if (!bfd)
			{
				// just add "//" in front of it
				char temppath[242];
				strcpy(temppath, "//");
				strcat(temppath, basedpath);
				
				BLI_path_abs(temppath, pathname);
				bfd = load_game_data(temppath);
			}
			
			// if we got a loaded blendfile, proceed
			if (bfd)
			{
				blenderdata = bfd->main;
				startscenename = bfd->curscene->id.name + 2;

				if (blenderdata) {
					BLI_strncpy(G.main->name, blenderdata->name, sizeof(G.main->name));
					BLI_strncpy(pathname, blenderdata->name, sizeof(pathname));
#ifdef WITH_PYTHON
					setGamePythonPath(G.main->name);
#endif
				}
			}
			// else forget it, we can't find it
			else
			{
				exitrequested = KX_EXIT_REQUEST_QUIT_GAME;
			}
		}

		Scene *scene= bfd ? bfd->curscene : (Scene *)BLI_findstring(&blenderdata->scene, startscenename, offsetof(ID, name) + 2);

		if (scene)
		{
			int startFrame = scene->r.cfra;
			ketsjiengine->SetAnimRecordMode(animation_record, startFrame);
			
			// Quad buffered needs a special window.
			if (scene->gm.stereoflag == STEREO_ENABLED) {
				if (scene->gm.stereomode != RAS_IRasterizer::RAS_STEREO_QUADBUFFERED)
					rasterizer->SetStereoMode((RAS_IRasterizer::StereoMode) scene->gm.stereomode);

				rasterizer->SetEyeSeparation(scene->gm.eyeseparation);
			}

			rasterizer->SetBackColor(scene->gm.framing.col[0], scene->gm.framing.col[1], scene->gm.framing.col[2], 0.0f);
		}
		
		if (exitrequested != KX_EXIT_REQUEST_QUIT_GAME)
		{
			if (rv3d->persp != RV3D_CAMOB)
			{
				ketsjiengine->EnableCameraOverride(startscenename);
				ketsjiengine->SetCameraOverrideUseOrtho((rv3d->persp == RV3D_ORTHO));
				ketsjiengine->SetCameraOverrideProjectionMatrix(MT_CmMatrix4x4(rv3d->winmat));
				ketsjiengine->SetCameraOverrideViewMatrix(MT_CmMatrix4x4(rv3d->viewmat));
				if (rv3d->persp == RV3D_ORTHO)
				{
					ketsjiengine->SetCameraOverrideClipping(v3d->near, v3d->far);
				}
				else
				{
					ketsjiengine->SetCameraOverrideClipping(v3d->near, v3d->far);
				}
				ketsjiengine->SetCameraOverrideLens(v3d->lens);
			}
			
			// create a scene converter, create and convert the startingscene
			KX_ISceneConverter* sceneconverter = new KX_BlenderSceneConverter(blenderdata, ketsjiengine);
			ketsjiengine->SetSceneConverter(sceneconverter);
			sceneconverter->addInitFromFrame=false;
			if (always_use_expand_framing)
				sceneconverter->SetAlwaysUseExpandFraming(true);

			bool usemat = false, useglslmat = false;

			if (GLEW_ARB_multitexture && GLEW_VERSION_1_1)
				usemat = true;

			if (GPU_glsl_support())
				useglslmat = true;
			else if (gs.matmode == GAME_MAT_GLSL)
				usemat = false;

			if (usemat && (gs.matmode != GAME_MAT_TEXFACE))
				sceneconverter->SetMaterials(true);
			if (useglslmat && (gs.matmode == GAME_MAT_GLSL))
				sceneconverter->SetGLSLMaterials(true);
			if (scene->gm.flag & GAME_NO_MATERIAL_CACHING)
				sceneconverter->SetCacheMaterials(false);
					
			KX_Scene* startscene = new KX_Scene(keyboarddevice,
				mousedevice,
				networkdevice,
				startscenename,
				scene,
				canvas);

#ifdef WITH_PYTHON
			// some python things
			PyObject *gameLogic, *gameLogic_keys;
			setupGamePython(ketsjiengine, startscene, blenderdata, pyGlobalDict, &gameLogic, &gameLogic_keys, 0, NULL);
#endif // WITH_PYTHON

			//initialize Dome Settings
			if (scene->gm.stereoflag == STEREO_DOME)
				ketsjiengine->InitDome(scene->gm.dome.res, scene->gm.dome.mode, scene->gm.dome.angle, scene->gm.dome.resbuf, scene->gm.dome.tilt, scene->gm.dome.warptext);

			// initialize 3D Audio Settings
			AUD_I3DDevice* dev = AUD_get3DDevice();
			if (dev)
			{
				dev->setSpeedOfSound(scene->audio.speed_of_sound);
				dev->setDopplerFactor(scene->audio.doppler_factor);
				dev->setDistanceModel(AUD_DistanceModel(scene->audio.distance_model));
			}

			// from see blender.c:
			// FIXME: this version patching should really be part of the file-reading code,
			// but we still get too many unrelated data-corruption crashes otherwise...
			if (blenderdata->versionfile < 250)
				do_versions_ipos_to_animato(blenderdata);

			if (sceneconverter)
			{
				// convert and add scene
				sceneconverter->ConvertScene(
					startscene,
					rendertools,
					canvas);
				ketsjiengine->AddScene(startscene);
				
				// init the rasterizer
				rasterizer->Init();
				
				// start the engine
				ketsjiengine->StartEngine(true);
				

				// Set the animation playback rate for ipo's and actions
				// the framerate below should patch with FPS macro defined in blendef.h
				// Could be in StartEngine set the framerate, we need the scene to do this
				ketsjiengine->SetAnimFrameRate(FPS);
				
#ifdef WITH_PYTHON
				char *python_main = NULL;
				pynextframestate.state = NULL;
				pynextframestate.func = NULL;
				python_main = KX_GetPythonMain(scene);

				// the mainloop
				printf("\nBlender Game Engine Started\n");
				if (python_main) {
					char *python_code = KX_GetPythonCode(blenderdata, python_main);
					if (python_code) {
						ketsjinextframestate.ketsjiengine = ketsjiengine;
						ketsjinextframestate.C = C;
						ketsjinextframestate.win = win;
						ketsjinextframestate.scene = scene;
						ketsjinextframestate.ar = ar;
						ketsjinextframestate.keyboarddevice = keyboarddevice;
						ketsjinextframestate.mousedevice = mousedevice;
						ketsjinextframestate.draw_letterbox = draw_letterbox;
			
						pynextframestate.state = &ketsjinextframestate;
						pynextframestate.func = &BL_KetsjiPyNextFrame;
						printf("Yielding control to Python script '%s'...\n", python_main);
						PyRun_SimpleString(python_code);
						printf("Exit Python script '%s'\n", python_main);
						MEM_freeN(python_code);
					}
				}
				else
#endif  /* WITH_PYTHON */
				{
					while (!exitrequested)
					{
						exitrequested = BL_KetsjiNextFrame(ketsjiengine, C, win, scene, ar, keyboarddevice, mousedevice, draw_letterbox);
					}
				}
				printf("Blender Game Engine Finished\n");
				exitstring = ketsjiengine->GetExitString();
#ifdef WITH_PYTHON
				if (python_main) MEM_freeN(python_main);
#endif  /* WITH_PYTHON */

				gs = *(ketsjiengine->GetGlobalSettings());

				// when exiting the mainloop
#ifdef WITH_PYTHON
				// Clears the dictionary by hand:
				// This prevents, extra references to global variables
				// inside the GameLogic dictionary when the python interpreter is finalized.
				// which allows the scene to safely delete them :)
				// see: (space.c)->start_game
				
				//PyDict_Clear(PyModule_GetDict(gameLogic));
				
				// Keep original items, means python plugins will autocomplete members
				PyObject *gameLogic_keys_new = PyDict_Keys(PyModule_GetDict(gameLogic));
				const Py_ssize_t numitems= PyList_GET_SIZE(gameLogic_keys_new);
				Py_ssize_t listIndex;
				for (listIndex=0; listIndex < numitems; listIndex++) {
					PyObject *item = PyList_GET_ITEM(gameLogic_keys_new, listIndex);
					if (!PySequence_Contains(gameLogic_keys, item)) {
						PyDict_DelItem(	PyModule_GetDict(gameLogic), item);
					}
				}
				Py_DECREF(gameLogic_keys_new);
				gameLogic_keys_new = NULL;
#endif
				ketsjiengine->StopEngine();
#ifdef WITH_PYTHON
				exitGamePythonScripting();
#endif
				networkdevice->Disconnect();
			}
			if (sceneconverter)
			{
				delete sceneconverter;
				sceneconverter = NULL;
			}

#ifdef WITH_PYTHON
			Py_DECREF(gameLogic_keys);
			gameLogic_keys = NULL;
#endif
		}
		//lock frame and camera enabled - restoring global values
		if (v3d->scenelock==0) {
			startscene->lay= tmp_lay;
			startscene->camera= tmp_camera;
		}

		if (exitrequested != KX_EXIT_REQUEST_OUTSIDE)
		{
			// set the cursor back to normal
			canvas->SetMouseState(RAS_ICanvas::MOUSE_NORMAL);

			// set mipmap setting back to its original value
			rasterizer->SetMipmapping(mipmapval);
		}
		
		// clean up some stuff
		if (ketsjiengine)
		{
			delete ketsjiengine;
			ketsjiengine = NULL;
		}
		if (kxsystem)
		{
			delete kxsystem;
			kxsystem = NULL;
		}
		if (networkdevice)
		{
			delete networkdevice;
			networkdevice = NULL;
		}
		if (keyboarddevice)
		{
			delete keyboarddevice;
			keyboarddevice = NULL;
		}
		if (mousedevice)
		{
			delete mousedevice;
			mousedevice = NULL;
		}
		if (rasterizer)
		{
			delete rasterizer;
			rasterizer = NULL;
		}
		if (rendertools)
		{
			delete rendertools;
			rendertools = NULL;
		}
		if (canvas)
		{
			delete canvas;
			canvas = NULL;
		}

		// stop all remaining playing sounds
		AUD_getDevice()->stopAll();
	
	} while (exitrequested == KX_EXIT_REQUEST_RESTART_GAME || exitrequested == KX_EXIT_REQUEST_START_OTHER_GAME);
	
	if (!disableVBO)
		U.gameflags &= ~USER_DISABLE_VBO;

	if (bfd) BLO_blendfiledata_free(bfd);

	BLI_strncpy(G.main->name, oldsce, sizeof(G.main->name));

#ifdef WITH_PYTHON
	Py_DECREF(pyGlobalDict);

	// Release Python's GIL
	PyGILState_Release(gilstate);
#endif

}
Example #16
0
/******************************************************************************
 *
 * Call the python object with all arguments
 *
 */
static void _CallPythonObject(void *mem,
                              ffi_type *restype,
                              SETFUNC setfunc,
                              PyObject *callable,
                              PyObject *converters,
                              int flags,
                              void **pArgs)
{
    Py_ssize_t i;
    PyObject *result;
    PyObject *arglist = NULL;
    Py_ssize_t nArgs;
    PyObject *error_object = NULL;
    int *space;
#ifdef WITH_THREAD
    PyGILState_STATE state = PyGILState_Ensure();
#endif

    nArgs = PySequence_Length(converters);
    /* Hm. What to return in case of error?
       For COM, 0xFFFFFFFF seems better than 0.
    */
    if (nArgs < 0) {
        PrintError("BUG: PySequence_Length");
        goto Done;
    }

    arglist = PyTuple_New(nArgs);
    if (!arglist) {
        PrintError("PyTuple_New()");
        goto Done;
    }
    for (i = 0; i < nArgs; ++i) {
        /* Note: new reference! */
        PyObject *cnv = PySequence_GetItem(converters, i);
        StgDictObject *dict;
        if (cnv)
            dict = PyType_stgdict(cnv);
        else {
            PrintError("Getting argument converter %d\n", i);
            goto Done;
        }

        if (dict && dict->getfunc && !_ctypes_simple_instance(cnv)) {
            PyObject *v = dict->getfunc(*pArgs, dict->size);
            if (!v) {
                PrintError("create argument %d:\n", i);
                Py_DECREF(cnv);
                goto Done;
            }
            PyTuple_SET_ITEM(arglist, i, v);
            /* XXX XXX XX
               We have the problem that c_byte or c_short have dict->size of
               1 resp. 4, but these parameters are pushed as sizeof(int) bytes.
               BTW, the same problem occurs when they are pushed as parameters
            */
        } else if (dict) {
            /* Hm, shouldn't we use PyCData_AtAddress() or something like that instead? */
            CDataObject *obj = (CDataObject *)PyObject_CallFunctionObjArgs(cnv, NULL);
            if (!obj) {
                PrintError("create argument %d:\n", i);
                Py_DECREF(cnv);
                goto Done;
            }
            if (!CDataObject_Check(obj)) {
                Py_DECREF(obj);
                Py_DECREF(cnv);
                PrintError("unexpected result of create argument %d:\n", i);
                goto Done;
            }
            memcpy(obj->b_ptr, *pArgs, dict->size);
            PyTuple_SET_ITEM(arglist, i, (PyObject *)obj);
#ifdef MS_WIN32
            TryAddRef(dict, obj);
#endif
        } else {
            PyErr_SetString(PyExc_TypeError,
                            "cannot build parameter");
            PrintError("Parsing argument %d\n", i);
            Py_DECREF(cnv);
            goto Done;
        }
        Py_DECREF(cnv);
        /* XXX error handling! */
        pArgs++;
    }

#define CHECK(what, x) \
if (x == NULL) _PyTraceback_Add(what, "_ctypes/callbacks.c", __LINE__ - 1), PyErr_Print()

    if (flags & (FUNCFLAG_USE_ERRNO | FUNCFLAG_USE_LASTERROR)) {
        error_object = _ctypes_get_errobj(&space);
        if (error_object == NULL)
            goto Done;
        if (flags & FUNCFLAG_USE_ERRNO) {
            int temp = space[0];
            space[0] = errno;
            errno = temp;
        }
#ifdef MS_WIN32
        if (flags & FUNCFLAG_USE_LASTERROR) {
            int temp = space[1];
            space[1] = GetLastError();
            SetLastError(temp);
        }
#endif
    }

    result = PyObject_CallObject(callable, arglist);
    CHECK("'calling callback function'", result);

#ifdef MS_WIN32
    if (flags & FUNCFLAG_USE_LASTERROR) {
        int temp = space[1];
        space[1] = GetLastError();
        SetLastError(temp);
    }
#endif
    if (flags & FUNCFLAG_USE_ERRNO) {
        int temp = space[0];
        space[0] = errno;
        errno = temp;
    }
    Py_XDECREF(error_object);

    if ((restype != &ffi_type_void) && result) {
        PyObject *keep;
        assert(setfunc);
#ifdef WORDS_BIGENDIAN
        /* See the corresponding code in callproc.c, around line 961 */
        if (restype->type != FFI_TYPE_FLOAT && restype->size < sizeof(ffi_arg))
            mem = (char *)mem + sizeof(ffi_arg) - restype->size;
#endif
        keep = setfunc(mem, result, 0);
        CHECK("'converting callback result'", keep);
        /* keep is an object we have to keep alive so that the result
           stays valid.  If there is no such object, the setfunc will
           have returned Py_None.

           If there is such an object, we have no choice than to keep
           it alive forever - but a refcount and/or memory leak will
           be the result.  EXCEPT when restype is py_object - Python
           itself knows how to manage the refcount of these objects.
        */
        if (keep == NULL) /* Could not convert callback result. */
            PyErr_WriteUnraisable(callable);
        else if (keep == Py_None) /* Nothing to keep */
            Py_DECREF(keep);
        else if (setfunc != _ctypes_get_fielddesc("O")->setfunc) {
            if (-1 == PyErr_WarnEx(PyExc_RuntimeWarning,
                                   "memory leak in callback function.",
                                   1))
                PyErr_WriteUnraisable(callable);
        }
    }
    Py_XDECREF(result);
  Done:
    Py_XDECREF(arglist);
#ifdef WITH_THREAD
    PyGILState_Release(state);
#endif
}
Example #17
0
static void gil_greenlet_release() {
    PyGILState_Release((PyGILState_STATE) pthread_getspecific(up.upt_gil_key));
}