C++ CTX_data_main函数代码示例

/* note, doesnt run exit() call WM_exit() for that */
void WM_exit_ext(bContext *C, const bool do_python)
{
    wmWindowManager *wm = C ? CTX_wm_manager(C) : NULL;

    BKE_sound_exit();

    /* first wrap up running stuff, we assume only the active WM is running */
    /* modal handlers are on window level freed, others too? */
    /* note; same code copied in wm_files.c */
    if (C && wm) {
        wmWindow *win;

        if (!G.background) {
            if ((U.uiflag2 & USER_KEEP_SESSION) || BKE_undo_is_valid(NULL)) {
                /* save the undo state as quit.blend */
                char filename[FILE_MAX];
                bool has_edited;
                int fileflags = G.fileflags & ~(G_FILE_COMPRESS | G_FILE_AUTOPLAY | G_FILE_HISTORY);

                BLI_make_file_string("/", filename, BKE_tempdir_base(), BLENDER_QUIT_FILE);

                has_edited = ED_editors_flush_edits(C, false);

                if ((has_edited && BLO_write_file(CTX_data_main(C), filename, fileflags, NULL, NULL)) ||
                        BKE_undo_save_file(filename))
                {
                    printf("Saved session recovery to '%s'\n", filename);
                }
            }
        }

        WM_jobs_kill_all(wm);

        for (win = wm->windows.first; win; win = win->next) {

            CTX_wm_window_set(C, win);  /* needed by operator close callbacks */
            WM_event_remove_handlers(C, &win->handlers);
            WM_event_remove_handlers(C, &win->modalhandlers);
            ED_screen_exit(C, win, win->screen);
        }
    }

    BKE_addon_pref_type_free();
    wm_operatortype_free();
    wm_dropbox_free();
    WM_menutype_free();
    WM_uilisttype_free();

    /* all non-screen and non-space stuff editors did, like editmode */
    if (C)
        ED_editors_exit(C);

//	XXX
//	BIF_GlobalReebFree();
//	BIF_freeRetarget();
    BIF_freeTemplates(C);

    free_openrecent();

    BKE_mball_cubeTable_free();

    /* render code might still access databases */
    RE_FreeAllRender();
    RE_engines_exit();

    ED_preview_free_dbase();  /* frees a Main dbase, before free_blender! */

    if (C && wm)
        wm_free_reports(C);  /* before free_blender! - since the ListBases get freed there */

    BKE_sequencer_free_clipboard(); /* sequencer.c */
    BKE_tracking_clipboard_free();
    BKE_mask_clipboard_free();

#ifdef WITH_COMPOSITOR
    COM_deinitialize();
#endif

    free_blender();  /* blender.c, does entire library and spacetypes */
//	free_matcopybuf();
    free_anim_copybuf();
    free_anim_drivers_copybuf();
    free_fmodifiers_copybuf();
    ED_gpencil_strokes_copybuf_free();
    ED_clipboard_posebuf_free();
    BKE_node_clipboard_clear();

    BLF_exit();

#ifdef WITH_INTERNATIONAL
    BLF_free_unifont();
    BLF_free_unifont_mono();
    BLT_lang_free();
#endif

    ANIM_keyingset_infos_exit();

//	free_txt_data();

//.........这里部分代码省略.........

/* join armature exec is exported for use in object->join objects operator... */
int join_armature_exec(bContext *C, wmOperator *op)
{
	Main *bmain = CTX_data_main(C);
	Scene *scene = CTX_data_scene(C);
	Object  *ob = CTX_data_active_object(C);
	bArmature *arm = (ob) ? ob->data : NULL;
	bPose *pose, *opose;
	bPoseChannel *pchan, *pchann;
	EditBone *curbone;
	float mat[4][4], oimat[4][4];
	bool ok = false;
	
	/*	Ensure we're not in editmode and that the active object is an armature*/
	if (!ob || ob->type != OB_ARMATURE)
		return OPERATOR_CANCELLED;
	if (!arm || arm->edbo)
		return OPERATOR_CANCELLED;
	
	CTX_DATA_BEGIN(C, Base *, base, selected_editable_bases)
	{
		if (base->object == ob) {
			ok = true;
			break;
		}
	}
	CTX_DATA_END;

	/* that way the active object is always selected */
	if (ok == false) {
		BKE_report(op->reports, RPT_WARNING, "Active object is not a selected armature");
		return OPERATOR_CANCELLED;
	}

	/* Get editbones of active armature to add editbones to */
	ED_armature_to_edit(arm);
	
	/* get pose of active object and move it out of posemode */
	pose = ob->pose;
	ob->mode &= ~OB_MODE_POSE;

	CTX_DATA_BEGIN(C, Base *, base, selected_editable_bases)
	{
		if ((base->object->type == OB_ARMATURE) && (base->object != ob)) {
			bArmature *curarm = base->object->data;
			
			/* Make a list of editbones in current armature */
			ED_armature_to_edit(base->object->data);
			
			/* Get Pose of current armature */
			opose = base->object->pose;
			base->object->mode &= ~OB_MODE_POSE;
			//BASACT->flag &= ~OB_MODE_POSE;
			
			/* Find the difference matrix */
			invert_m4_m4(oimat, ob->obmat);
			mul_m4_m4m4(mat, oimat, base->object->obmat);
			
			/* Copy bones and posechannels from the object to the edit armature */
			for (pchan = opose->chanbase.first; pchan; pchan = pchann) {
				pchann = pchan->next;
				curbone = ED_armature_bone_find_name(curarm->edbo, pchan->name);
				
				/* Get new name */
				unique_editbone_name(arm->edbo, curbone->name, NULL);
				
				/* Transform the bone */
				{
					float premat[4][4];
					float postmat[4][4];
					float difmat[4][4];
					float imat[4][4];
					float temp[3][3];
					
					/* Get the premat */
					ED_armature_ebone_to_mat3(curbone, temp);
					
					unit_m4(premat); /* mul_m4_m3m4 only sets 3x3 part */
					mul_m4_m3m4(premat, temp, mat);
					
					mul_m4_v3(mat, curbone->head);
					mul_m4_v3(mat, curbone->tail);
					
					/* Get the postmat */
					ED_armature_ebone_to_mat3(curbone, temp);
					copy_m4_m3(postmat, temp);
					
					/* Find the roll */
					invert_m4_m4(imat, premat);
					mul_m4_m4m4(difmat, imat, postmat);
					
					curbone->roll -= (float)atan2(difmat[2][0], difmat[2][2]);
				}
				
				/* Fix Constraints and Other Links to this Bone and Armature */
				joined_armature_fix_links(ob, base->object, pchan, curbone);
				
				/* Rename pchan */
				BLI_strncpy(pchan->name, curbone->name, sizeof(pchan->name));
				
//.........这里部分代码省略.........

void ED_preview_shader_job(const bContext *C,
                           void *owner,
                           ID *id,
                           ID *parent,
                           MTex *slot,
                           int sizex,
                           int sizey,
                           int method)
{
  Object *ob = CTX_data_active_object(C);
  wmJob *wm_job;
  ShaderPreview *sp;
  Scene *scene = CTX_data_scene(C);
  short id_type = GS(id->name);

  /* Use workspace render only for buttons Window,
   * since the other previews are related to the datablock. */

  if (!check_engine_supports_preview(scene)) {
    return;
  }

  /* Only texture node preview is supported with Cycles. */
  if (method == PR_NODE_RENDER && id_type != ID_TE) {
    return;
  }

  ED_preview_ensure_dbase();

  wm_job = WM_jobs_get(CTX_wm_manager(C),
                       CTX_wm_window(C),
                       owner,
                       "Shader Preview",
                       WM_JOB_EXCL_RENDER,
                       WM_JOB_TYPE_RENDER_PREVIEW);
  sp = MEM_callocN(sizeof(ShaderPreview), "shader preview");

  /* customdata for preview thread */
  sp->scene = scene;
  sp->depsgraph = CTX_data_depsgraph(C);
  sp->owner = owner;
  sp->sizex = sizex;
  sp->sizey = sizey;
  sp->pr_method = method;
  sp->id = id;
  sp->id_copy = duplicate_ids(id);
  sp->own_id_copy = true;
  sp->parent = parent;
  sp->slot = slot;
  sp->bmain = CTX_data_main(C);
  Material *ma = NULL;

  /* hardcoded preview .blend for Eevee + Cycles, this should be solved
   * once with custom preview .blend path for external engines */

  /* grease pencil use its own preview file */
  if (GS(id->name) == ID_MA) {
    ma = (Material *)id;
  }

  if ((ma == NULL) || (ma->gp_style == NULL)) {
    sp->pr_main = G_pr_main;
  }
  else {
    sp->pr_main = G_pr_main_grease_pencil;
  }

  if (ob && ob->totcol) {
    copy_v4_v4(sp->color, ob->color);
  }
  else {
    ARRAY_SET_ITEMS(sp->color, 0.0f, 0.0f, 0.0f, 1.0f);
  }

  /* setup job */
  WM_jobs_customdata_set(wm_job, sp, shader_preview_free);
  WM_jobs_timer(wm_job, 0.1, NC_MATERIAL, NC_MATERIAL);
  WM_jobs_callbacks(wm_job, common_preview_startjob, NULL, shader_preview_updatejob, NULL);

  WM_jobs_start(CTX_wm_manager(C), wm_job);
}

/* using context, starts job */
static int screen_render_invoke(bContext *C, wmOperator *op, wmEvent *event)
{
	/* new render clears all callbacks */
	Main *mainp;
	Scene *scene = CTX_data_scene(C);
	SceneRenderLayer *srl = NULL;
	View3D *v3d = CTX_wm_view3d(C);
	Render *re;
	wmJob *steve;
	RenderJob *rj;
	Image *ima;
	int jobflag;
	const short is_animation = RNA_boolean_get(op->ptr, "animation");
	const short is_write_still = RNA_boolean_get(op->ptr, "write_still");
	struct Object *camera_override = v3d ? V3D_CAMERA_LOCAL(v3d) : NULL;
	const char *name;
	
	/* only one render job at a time */
	if (WM_jobs_test(CTX_wm_manager(C), scene))
		return OPERATOR_CANCELLED;

	if (!RE_is_rendering_allowed(scene, camera_override, op->reports)) {
		return OPERATOR_CANCELLED;
	}

	if (!is_animation && is_write_still && BKE_imtype_is_movie(scene->r.im_format.imtype)) {
		BKE_report(op->reports, RPT_ERROR, "Can't write a single file with an animation format selected");
		return OPERATOR_CANCELLED;
	}	
	
	/* stop all running jobs, currently previews frustrate Render */
	WM_jobs_stop_all(CTX_wm_manager(C));

	/* get main */
	if (G.rt == 101) {
		/* thread-safety experiment, copy main from the undo buffer */
		mainp = BKE_undo_get_main(&scene);
	}
	else
		mainp = CTX_data_main(C);

	/* cancel animation playback */
	if (ED_screen_animation_playing(CTX_wm_manager(C)))
		ED_screen_animation_play(C, 0, 0);
	
	/* handle UI stuff */
	WM_cursor_wait(1);

	/* flush multires changes (for sculpt) */
	multires_force_render_update(CTX_data_active_object(C));

	/* cleanup sequencer caches before starting user triggered render.
	 * otherwise, invalidated cache entries can make their way into
	 * the output rendering. We can't put that into RE_BlenderFrame,
	 * since sequence rendering can call that recursively... (peter) */
	seq_stripelem_cache_cleanup();

	/* get editmode results */
	ED_object_exit_editmode(C, 0);  /* 0 = does not exit editmode */

	// store spare
	// get view3d layer, local layer, make this nice api call to render
	// store spare

	/* ensure at least 1 area shows result */
	render_view_open(C, event->x, event->y);

	jobflag = WM_JOB_EXCL_RENDER | WM_JOB_PRIORITY | WM_JOB_PROGRESS;
	
	/* custom scene and single layer re-render */
	screen_render_scene_layer_set(op, mainp, &scene, &srl);

	if (RNA_struct_property_is_set(op->ptr, "layer"))
		jobflag |= WM_JOB_SUSPEND;

	/* job custom data */
	rj = MEM_callocN(sizeof(RenderJob), "render job");
	rj->main = mainp;
	rj->scene = scene;
	rj->win = CTX_wm_window(C);
	rj->srl = srl;
	rj->camera_override = camera_override;
	rj->lay = (v3d) ? v3d->lay : scene->lay;
	rj->anim = is_animation;
	rj->write_still = is_write_still && !is_animation;
	rj->iuser.scene = scene;
	rj->iuser.ok = 1;
	rj->reports = op->reports;

	/* setup job */
	if (RE_seq_render_active(scene, &scene->r)) name = "Sequence Render";
	else name = "Render";

	steve = WM_jobs_get(CTX_wm_manager(C), CTX_wm_window(C), scene, name, jobflag);
	WM_jobs_customdata(steve, rj, render_freejob);
	WM_jobs_timer(steve, 0.2, NC_SCENE | ND_RENDER_RESULT, 0);
	WM_jobs_callbacks(steve, render_startjob, NULL, NULL, render_endjob);

	/* get a render result image, and make sure it is empty */
//.........这里部分代码省略.........

static int open_exec(bContext *C, wmOperator *op)
{
	SpaceClip *sc = CTX_wm_space_clip(C);
	bScreen *screen = CTX_wm_screen(C);
	Main *bmain = CTX_data_main(C);
	PropertyPointerRNA *pprop;
	PointerRNA idptr;
	MovieClip *clip = NULL;
	char str[FILE_MAX];

	if (RNA_collection_length(op->ptr, "files")) {
		PointerRNA fileptr;
		PropertyRNA *prop;
		char dir_only[FILE_MAX], file_only[FILE_MAX];
		bool relative = RNA_boolean_get(op->ptr, "relative_path");

		RNA_string_get(op->ptr, "directory", dir_only);
		if (relative)
			BLI_path_rel(dir_only, G.main->name);

		prop = RNA_struct_find_property(op->ptr, "files");
		RNA_property_collection_lookup_int(op->ptr, prop, 0, &fileptr);
		RNA_string_get(&fileptr, "name", file_only);

		BLI_join_dirfile(str, sizeof(str), dir_only, file_only);
	}
	else {
		BKE_report(op->reports, RPT_ERROR, "No files selected to be opened");

		return OPERATOR_CANCELLED;
	}

	/* default to frame 1 if there's no scene in context */

	errno = 0;

	clip = BKE_movieclip_file_add(bmain, str);

	if (!clip) {
		if (op->customdata)
			MEM_freeN(op->customdata);

		BKE_reportf(op->reports, RPT_ERROR, "Cannot read '%s': %s", str,
		            errno ? strerror(errno) : TIP_("unsupported movie clip format"));

		return OPERATOR_CANCELLED;
	}

	if (!op->customdata)
		open_init(C, op);

	/* hook into UI */
	pprop = op->customdata;

	if (pprop->prop) {
		/* when creating new ID blocks, use is already 1, but RNA
		 * pointer se also increases user, so this compensates it */
		clip->id.us--;

		RNA_id_pointer_create(&clip->id, &idptr);
		RNA_property_pointer_set(&pprop->ptr, pprop->prop, idptr);
		RNA_property_update(C, &pprop->ptr, pprop->prop);
	}
	else if (sc) {
		ED_space_clip_set_clip(C, screen, sc, clip);
	}

	WM_event_add_notifier(C, NC_MOVIECLIP | NA_ADDED, clip);

	MEM_freeN(op->customdata);

	return OPERATOR_FINISHED;
}

static bool screen_opengl_render_anim_step(bContext *C, wmOperator *op)
{
	Main *bmain = CTX_data_main(C);
	OGLRender *oglrender = op->customdata;
	Scene *scene = oglrender->scene;
	ImBuf *ibuf, *ibuf_save = NULL;
	void *lock;
	char name[FILE_MAX];
	int ok = 0;
	const short view_context = (oglrender->v3d != NULL);
	Object *camera = NULL;
	int is_movie;

	/* go to next frame */
	if (CFRA < oglrender->nfra)
		CFRA++;
	while (CFRA < oglrender->nfra) {
		unsigned int lay = screen_opengl_layers(oglrender);

		if (lay & 0xFF000000)
			lay &= 0xFF000000;

		BKE_scene_update_for_newframe(bmain, scene, lay);
		CFRA++;
	}

	is_movie = BKE_imtype_is_movie(scene->r.im_format.imtype);

	if (!is_movie) {
		BKE_makepicstring(name, scene->r.pic, oglrender->bmain->name, scene->r.cfra, &scene->r.im_format, scene->r.scemode & R_EXTENSION, TRUE);

		if ((scene->r.mode & R_NO_OVERWRITE) && BLI_exists(name)) {
			BKE_reportf(op->reports, RPT_INFO, "Skipping existing frame \"%s\"", name);
			ok = true;
			goto finally;
		}
	}

	WM_cursor_time(oglrender->win, scene->r.cfra);

	BKE_scene_update_for_newframe(bmain, scene, screen_opengl_layers(oglrender));

	if (view_context) {
		if (oglrender->rv3d->persp == RV3D_CAMOB && oglrender->v3d->camera && oglrender->v3d->scenelock) {
			/* since BKE_scene_update_for_newframe() is used rather
			 * then ED_update_for_newframe() the camera needs to be set */
			if (BKE_scene_camera_switch_update(scene)) {
				oglrender->v3d->camera = scene->camera;
			}

			camera = oglrender->v3d->camera;
		}
	}
	else {
		BKE_scene_camera_switch_update(scene);

		camera = scene->camera;
	}

	/* render into offscreen buffer */
	screen_opengl_render_apply(oglrender);

	/* save to disk */
	ibuf = BKE_image_acquire_ibuf(oglrender->ima, &oglrender->iuser, &lock);

	if (ibuf) {
		int needs_free = FALSE;

		ibuf_save = ibuf;

		if (is_movie || !BKE_imtype_requires_linear_float(scene->r.im_format.imtype)) {
			ibuf_save = IMB_colormanagement_imbuf_for_write(ibuf, true, true, &scene->view_settings,
			                                                &scene->display_settings, &scene->r.im_format);

			needs_free = TRUE;
		}

		/* color -> grayscale */
		/* editing directly would alter the render view */
		if (scene->r.im_format.planes == R_IMF_PLANES_BW) {
			ImBuf *ibuf_bw = IMB_dupImBuf(ibuf_save);
			IMB_color_to_bw(ibuf_bw);

			if (needs_free)
				IMB_freeImBuf(ibuf_save);

			ibuf_save = ibuf_bw;
		}
		else {
			/* this is lightweight & doesnt re-alloc the buffers, only do this
			 * to save the correct bit depth since the image is always RGBA */
			ImBuf *ibuf_cpy = IMB_allocImBuf(ibuf_save->x, ibuf_save->y, scene->r.im_format.planes, 0);

			ibuf_cpy->rect = ibuf_save->rect;
			ibuf_cpy->rect_float = ibuf_save->rect_float;
			ibuf_cpy->zbuf_float = ibuf_save->zbuf_float;

			if (needs_free) {
				ibuf_cpy->mall = ibuf_save->mall;
				ibuf_save->mall = 0;
//.........这里部分代码省略.........

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) && GPU_display_list_support();
#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 and rasterizer
		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);

		// Setup vsync
		int previous_vsync = canvas->GetSwapInterval();
		if (startscene->gm.vsync == VSYNC_ADAPTIVE)
			canvas->SetSwapInterval(-1);
		else
			canvas->SetSwapInterval((startscene->gm.vsync == VSYNC_ON) ? 1 : 0);

		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();
		
//.........这里部分代码省略.........

//.........这里部分代码省略.........
	}

	context_dict_back = CTX_py_dict_get(C);

	CTX_py_dict_set(C, (void *)context_dict);
	Py_XINCREF(context_dict); /* so we done loose it */

	if (WM_operator_poll_context((bContext *)C, ot, context) == false) {
		const char *msg = CTX_wm_operator_poll_msg_get(C);
		PyErr_Format(PyExc_RuntimeError,
		             "Operator bpy.ops.%.200s.poll() %.200s",
		             opname, msg ? msg : "failed, context is incorrect");
		CTX_wm_operator_poll_msg_set(C, NULL); /* better set to NULL else it could be used again */
		error_val = -1;
	}
	else {
		WM_operator_properties_create_ptr(&ptr, ot);
		WM_operator_properties_sanitize(&ptr, 0);

		if (kw && PyDict_Size(kw))
			error_val = pyrna_pydict_to_props(&ptr, kw, 0, "Converting py args to operator properties: ");


		if (error_val == 0) {
			ReportList *reports;

			reports = MEM_mallocN(sizeof(ReportList), "wmOperatorReportList");
			BKE_reports_init(reports, RPT_STORE | RPT_OP_HOLD); /* own so these don't move into global reports */

#ifdef BPY_RELEASE_GIL
			/* release GIL, since a thread could be started from an operator
			 * that updates a driver */
			/* note: I have not seen any examples of code that does this
			 * so it may not be officially supported but seems to work ok. */
			{
				PyThreadState *ts = PyEval_SaveThread();
#endif

				operator_ret = WM_operator_call_py(C, ot, context, &ptr, reports, is_undo);

#ifdef BPY_RELEASE_GIL
				/* regain GIL */
				PyEval_RestoreThread(ts);
			}
#endif

			error_val = BPy_reports_to_error(reports, PyExc_RuntimeError, false);

			/* operator output is nice to have in the terminal/console too */
			if (!BLI_listbase_is_empty(&reports->list)) {
				Report *report;
				for (report = reports->list.first; report; report = report->next) {
					PySys_WriteStdout("%s: %s\n", report->typestr, report->message);
				}
			}
	
			BKE_reports_clear(reports);
			if ((reports->flag & RPT_FREE) == 0) {
				MEM_freeN(reports);
			}
		}

		WM_operator_properties_free(&ptr);

#if 0
		/* if there is some way to know an operator takes args we should use this */
		{
			/* no props */
			if (kw != NULL) {
				PyErr_Format(PyExc_AttributeError,
				             "Operator \"%s\" does not take any args",
				             opname);
				return NULL;
			}

			WM_operator_name_call(C, opname, WM_OP_EXEC_DEFAULT, NULL);
		}
#endif
	}

	/* restore with original context dict, probably NULL but need this for nested operator calls */
	Py_XDECREF(context_dict);
	CTX_py_dict_set(C, (void *)context_dict_back);

	if (error_val == -1) {
		return NULL;
	}

	/* when calling  bpy.ops.wm.read_factory_settings() bpy.data's main pointer is freed by clear_globals(),
	 * further access will crash blender. setting context is not needed in this case, only calling because this
	 * function corrects bpy.data (internal Main pointer) */
	BPY_modules_update(C);

	/* needed for when WM_OT_read_factory_settings us called from within a script */
	bpy_import_main_set(CTX_data_main(C));

	/* return operator_ret as a bpy enum */
	return pyrna_enum_bitfield_to_py(operator_return_items, operator_ret);

}

static bool python_script_exec(
        bContext *C, const char *fn, struct Text *text,
        struct ReportList *reports, const bool do_jump)
{
	Main *bmain_old = CTX_data_main(C);
	PyObject *main_mod = NULL;
	PyObject *py_dict = NULL, *py_result = NULL;
	PyGILState_STATE gilstate;

	BLI_assert(fn || text);

	if (fn == NULL && text == NULL) {
		return 0;
	}

	bpy_context_set(C, &gilstate);

	PyC_MainModule_Backup(&main_mod);

	if (text) {
		char fn_dummy[FILE_MAXDIR];
		bpy_text_filename_get(fn_dummy, sizeof(fn_dummy), text);

		if (text->compiled == NULL) {   /* if it wasn't already compiled, do it now */
			char *buf;
			PyObject *fn_dummy_py;

			fn_dummy_py = PyC_UnicodeFromByte(fn_dummy);

			buf = txt_to_buf(text);
			text->compiled = Py_CompileStringObject(buf, fn_dummy_py, Py_file_input, NULL, -1);
			MEM_freeN(buf);

			Py_DECREF(fn_dummy_py);

			if (PyErr_Occurred()) {
				if (do_jump) {
					python_script_error_jump_text(text);
				}
				BPY_text_free_code(text);
			}
		}

		if (text->compiled) {
			py_dict = PyC_DefaultNameSpace(fn_dummy);
			py_result =  PyEval_EvalCode(text->compiled, py_dict, py_dict);
		}

	}
	else {
		FILE *fp = BLI_fopen(fn, "r");

		if (fp) {
			py_dict = PyC_DefaultNameSpace(fn);

#ifdef _WIN32
			/* Previously we used PyRun_File to run directly the code on a FILE
			 * object, but as written in the Python/C API Ref Manual, chapter 2,
			 * 'FILE structs for different C libraries can be different and
			 * incompatible'.
			 * So now we load the script file data to a buffer */
			{
				const char *pystring =
				        "ns = globals().copy()\n"
				        "with open(__file__, 'rb') as f: exec(compile(f.read(), __file__, 'exec'), ns)";

				fclose(fp);

				py_result = PyRun_String(pystring, Py_file_input, py_dict, py_dict);
			}
#else
			py_result = PyRun_File(fp, fn, Py_file_input, py_dict, py_dict);
			fclose(fp);
#endif
		}
		else {
			PyErr_Format(PyExc_IOError,
			             "Python file \"%s\" could not be opened: %s",
			             fn, strerror(errno));
			py_result = NULL;
		}
	}

	if (!py_result) {
		if (text) {
			if (do_jump) {
				/* ensure text is valid before use, the script may have freed its self */
				Main *bmain_new = CTX_data_main(C);
				if ((bmain_old == bmain_new) && (BLI_findindex(&bmain_new->text, text) != -1)) {
					python_script_error_jump_text(text);
				}
			}
		}
		BPy_errors_to_report(reports);
	}
	else {
		Py_DECREF(py_result);
	}

	if (py_dict) {
//.........这里部分代码省略.........

static bool screen_opengl_render_init(bContext *C, wmOperator *op)
{
	/* new render clears all callbacks */
	wmWindowManager *wm = CTX_wm_manager(C);
	wmWindow *win = CTX_wm_window(C);

	Scene *scene = CTX_data_scene(C);
	ScrArea *prevsa = CTX_wm_area(C);
	ARegion *prevar = CTX_wm_region(C);
	GPUOffScreen *ofs;
	OGLRender *oglrender;
	int sizex, sizey;
	bool is_view_context = RNA_boolean_get(op->ptr, "view_context");
	const bool is_animation = RNA_boolean_get(op->ptr, "animation");
	const bool is_sequencer = RNA_boolean_get(op->ptr, "sequencer");
	const bool is_write_still = RNA_boolean_get(op->ptr, "write_still");
	char err_out[256] = "unknown";

	if (G.background) {
		BKE_report(op->reports, RPT_ERROR, "Cannot use OpenGL render in background mode (no opengl context)");
		return false;
	}

	/* only one render job at a time */
	if (WM_jobs_test(wm, scene, WM_JOB_TYPE_RENDER))
		return false;

	if (is_sequencer) {
		is_view_context = false;
	}
	else {
		/* ensure we have a 3d view */
		if (!ED_view3d_context_activate(C)) {
			RNA_boolean_set(op->ptr, "view_context", false);
			is_view_context = false;
		}

		if (!is_view_context && scene->camera == NULL) {
			BKE_report(op->reports, RPT_ERROR, "Scene has no camera");
			return false;
		}
	}

	if (!is_animation && is_write_still && BKE_imtype_is_movie(scene->r.im_format.imtype)) {
		BKE_report(op->reports, RPT_ERROR, "Cannot write a single file with an animation format selected");
		return false;
	}

	/* stop all running jobs, except screen one. currently previews frustrate Render */
	WM_jobs_kill_all_except(wm, CTX_wm_screen(C));

	/* create offscreen buffer */
	sizex = (scene->r.size * scene->r.xsch) / 100;
	sizey = (scene->r.size * scene->r.ysch) / 100;

	/* corrects render size with actual size, not every card supports non-power-of-two dimensions */
	ofs = GPU_offscreen_create(sizex, sizey, err_out);

	if (!ofs) {
		BKE_reportf(op->reports, RPT_ERROR, "Failed to create OpenGL off-screen buffer, %s", err_out);
		return false;
	}

	/* allocate opengl render */
	oglrender = MEM_callocN(sizeof(OGLRender), "OGLRender");
	op->customdata = oglrender;

	oglrender->ofs = ofs;
	oglrender->sizex = sizex;
	oglrender->sizey = sizey;
	oglrender->bmain = CTX_data_main(C);
	oglrender->scene = scene;
	oglrender->cfrao = scene->r.cfra;

	oglrender->write_still = is_write_still && !is_animation;

	oglrender->is_sequencer = is_sequencer;
	if (is_sequencer) {
		oglrender->sseq = CTX_wm_space_seq(C);
	}

	oglrender->prevsa = prevsa;
	oglrender->prevar = prevar;

	if (is_view_context) {
		ED_view3d_context_user_region(C, &oglrender->v3d, &oglrender->ar); /* so quad view renders camera */
		oglrender->rv3d = oglrender->ar->regiondata;

		/* MUST be cleared on exit */
		oglrender->scene->customdata_mask_modal = ED_view3d_datamask(oglrender->scene, oglrender->v3d);

		/* apply immediately in case we're rendering from a script,
		 * running notifiers again will overwrite */
		oglrender->scene->customdata_mask |= oglrender->scene->customdata_mask_modal;

		if (oglrender->v3d->fx_settings.fx_flag & (GPU_FX_FLAG_DOF | GPU_FX_FLAG_SSAO)) {
			oglrender->fx = GPU_fx_compositor_create();
		}
	}

//.........这里部分代码省略.........

static int view3d_layers_exec(bContext *C, wmOperator *op)
{
	Scene *scene = CTX_data_scene(C);
	ScrArea *sa = CTX_wm_area(C);
	View3D *v3d = sa->spacedata.first;
	int nr = RNA_int_get(op->ptr, "nr");
	const bool toggle = RNA_boolean_get(op->ptr, "toggle");
	
	if (nr < 0)
		return OPERATOR_CANCELLED;

	if (nr == 0) {
		/* all layers */
		if (!v3d->lay_prev)
			v3d->lay_prev = 1;

		if (toggle && v3d->lay == ((1 << 20) - 1)) {
			/* return to active layer only */
			v3d->lay = v3d->lay_prev;

			view3d_layers_editmode_ensure(scene, v3d);
		}
		else {
			v3d->lay_prev = v3d->lay;
			v3d->lay |= (1 << 20) - 1;
		}
	}
	else {
		int bit;
		nr--;

		if (RNA_boolean_get(op->ptr, "extend")) {
			if (toggle && v3d->lay & (1 << nr) && (v3d->lay & ~(1 << nr)))
				v3d->lay &= ~(1 << nr);
			else
				v3d->lay |= (1 << nr);
		}
		else {
			v3d->lay = (1 << nr);
		}

		view3d_layers_editmode_ensure(scene, v3d);

		/* set active layer, ensure to always have one */
		if (v3d->lay & (1 << nr))
			v3d->layact = 1 << nr;
		else if ((v3d->lay & v3d->layact) == 0) {
			for (bit = 0; bit < 32; bit++) {
				if (v3d->lay & (1 << bit)) {
					v3d->layact = 1 << bit;
					break;
				}
			}
		}
	}
	
	if (v3d->scenelock) handle_view3d_lock(C);
	
	DAG_on_visible_update(CTX_data_main(C), false);

	ED_area_tag_redraw(sa);
	
	return OPERATOR_FINISHED;
}

static bool screen_opengl_render_anim_step(bContext *C, wmOperator *op)
{
	Main *bmain = CTX_data_main(C);
	OGLRender *oglrender = op->customdata;
	Scene *scene = oglrender->scene;
	char name[FILE_MAX];
	bool ok = false;
	const bool view_context = (oglrender->v3d != NULL);
	bool is_movie;
	RenderResult *rr;

	/* go to next frame */
	if (CFRA < oglrender->nfra)
		CFRA++;
	while (CFRA < oglrender->nfra) {
		unsigned int lay = screen_opengl_layers(oglrender);

		if (lay & 0xFF000000)
			lay &= 0xFF000000;

		BKE_scene_update_for_newframe(bmain->eval_ctx, bmain, scene, lay);
		CFRA++;
	}

	is_movie = BKE_imtype_is_movie(scene->r.im_format.imtype);

	if (!is_movie) {
		BKE_image_path_from_imformat(
		        name, scene->r.pic, oglrender->bmain->name, scene->r.cfra,
		        &scene->r.im_format, (scene->r.scemode & R_EXTENSION) != 0, true, NULL);

		if ((scene->r.mode & R_NO_OVERWRITE) && BLI_exists(name)) {
			BKE_reportf(op->reports, RPT_INFO, "Skipping existing frame \"%s\"", name);
			ok = true;
			goto finally;
		}
	}

	WM_cursor_time(oglrender->win, scene->r.cfra);

	BKE_scene_update_for_newframe(bmain->eval_ctx, bmain, scene, screen_opengl_layers(oglrender));

	if (view_context) {
		if (oglrender->rv3d->persp == RV3D_CAMOB && oglrender->v3d->camera && oglrender->v3d->scenelock) {
			/* since BKE_scene_update_for_newframe() is used rather
			 * then ED_update_for_newframe() the camera needs to be set */
			if (BKE_scene_camera_switch_update(scene)) {
				oglrender->v3d->camera = scene->camera;
			}
		}
	}
	else {
		BKE_scene_camera_switch_update(scene);
	}

	/* render into offscreen buffer */
	screen_opengl_render_apply(oglrender);

	/* save to disk */
	rr = RE_AcquireResultRead(oglrender->re);

	if (is_movie) {
		ok = RE_WriteRenderViewsMovie(oglrender->reports, rr, scene, &scene->r, oglrender->mh, oglrender->sizex,
		                              oglrender->sizey, oglrender->movie_ctx_arr, oglrender->totvideos, PRVRANGEON != 0);
		if (ok) {
			printf("Append frame %d", scene->r.cfra);
			BKE_reportf(op->reports, RPT_INFO, "Appended frame: %d", scene->r.cfra);
		}
	}
	else {
		BKE_render_result_stamp_info(scene, scene->camera, rr, false);
		ok = RE_WriteRenderViewsImage(op->reports, rr, scene, true, name);
		if (ok) {
			printf("Saved: %s", name);
			BKE_reportf(op->reports, RPT_INFO, "Saved file: %s", name);
		}
		else {
			printf("Write error: cannot save %s\n", name);
			BKE_reportf(op->reports, RPT_ERROR, "Write error: cannot save %s", name);
		}
	}

	RE_ReleaseResult(oglrender->re);


	/* movie stats prints have no line break */
	printf("\n");


finally:  /* Step the frame and bail early if needed */

	/* go to next frame */
	oglrender->nfra += scene->r.frame_step;

	/* stop at the end or on error */
	if (CFRA >= PEFRA || !ok) {
		screen_opengl_render_end(C, op->customdata);
		return 0;
	}

//.........这里部分代码省略.........

/* name can be a dynamic string */
void BKE_write_undo(bContext *C, const char *name)
{
	uintptr_t maxmem, totmem, memused;
	int nr /*, success */ /* UNUSED */;
	UndoElem *uel;
	
	if ((U.uiflag & USER_GLOBALUNDO) == 0) {
		return;
	}

	if (U.undosteps == 0) {
		return;
	}
	
	/* remove all undos after (also when curundo == NULL) */
	while (undobase.last != curundo) {
		uel = undobase.last;
		BLI_remlink(&undobase, uel);
		BLO_free_memfile(&uel->memfile);
		MEM_freeN(uel);
	}
	
	/* make new */
	curundo = uel = MEM_callocN(sizeof(UndoElem), "undo file");
	BLI_strncpy(uel->name, name, sizeof(uel->name));
	BLI_addtail(&undobase, uel);
	
	/* and limit amount to the maximum */
	nr = 0;
	uel = undobase.last;
	while (uel) {
		nr++;
		if (nr == U.undosteps) break;
		uel = uel->prev;
	}
	if (uel) {
		while (undobase.first != uel) {
			UndoElem *first = undobase.first;
			BLI_remlink(&undobase, first);
			/* the merge is because of compression */
			BLO_merge_memfile(&first->memfile, &first->next->memfile);
			MEM_freeN(first);
		}
	}


	/* disk save version */
	if (UNDO_DISK) {
		static int counter = 0;
		char filepath[FILE_MAX];
		char numstr[32];
		int fileflags = G.fileflags & ~(G_FILE_HISTORY); /* don't do file history on undo */

		/* calculate current filepath */
		counter++;
		counter = counter % U.undosteps;
	
		BLI_snprintf(numstr, sizeof(numstr), "%d.blend", counter);
		BLI_make_file_string("/", filepath, BLI_temporary_dir(), numstr);
	
		/* success = */ /* UNUSED */ BLO_write_file(CTX_data_main(C), filepath, fileflags, NULL, NULL);
		
		BLI_strncpy(curundo->str, filepath, sizeof(curundo->str));
	}
	else {
		MemFile *prevfile = NULL;
		
		if (curundo->prev) prevfile = &(curundo->prev->memfile);
		
		memused = MEM_get_memory_in_use();
		/* success = */ /* UNUSED */ BLO_write_file_mem(CTX_data_main(C), prevfile, &curundo->memfile, G.fileflags);
		curundo->undosize = MEM_get_memory_in_use() - memused;
	}

	if (U.undomemory != 0) {
		/* limit to maximum memory (afterwards, we can't know in advance) */
		totmem = 0;
		maxmem = ((uintptr_t)U.undomemory) * 1024 * 1024;

		/* keep at least two (original + other) */
		uel = undobase.last;
		while (uel && uel->prev) {
			totmem += uel->undosize;
			if (totmem > maxmem) break;
			uel = uel->prev;
		}

		if (uel) {
			if (uel->prev && uel->prev->prev)
				uel = uel->prev;

			while (undobase.first != uel) {
				UndoElem *first = undobase.first;
				BLI_remlink(&undobase, first);
				/* the merge is because of compression */
				BLO_merge_memfile(&first->memfile, &first->next->memfile);
				MEM_freeN(first);
			}
		}
//.........这里部分代码省略.........

static void wm_draw_window_offscreen(bContext *C, wmWindow *win, bool stereo)
{
  Main *bmain = CTX_data_main(C);
  wmWindowManager *wm = CTX_wm_manager(C);
  bScreen *screen = WM_window_get_active_screen(win);

  /* Draw screen areas into own frame buffer. */
  ED_screen_areas_iter(win, screen, sa)
  {
    CTX_wm_area_set(C, sa);

    /* Compute UI layouts for dynamically size regions. */
    for (ARegion *ar = sa->regionbase.first; ar; ar = ar->next) {
      if (ar->visible && ar->do_draw && ar->type && ar->type->layout) {
        CTX_wm_region_set(C, ar);
        ED_region_do_layout(C, ar);
        CTX_wm_region_set(C, NULL);
      }
    }

    ED_area_update_region_sizes(wm, win, sa);

    if (sa->flag & AREA_FLAG_ACTIVE_TOOL_UPDATE) {
      if ((1 << sa->spacetype) & WM_TOOLSYSTEM_SPACE_MASK) {
        WM_toolsystem_update_from_context(C, CTX_wm_workspace(C), CTX_data_view_layer(C), sa);
      }
      sa->flag &= ~AREA_FLAG_ACTIVE_TOOL_UPDATE;
    }

    /* Then do actual drawing of regions. */
    for (ARegion *ar = sa->regionbase.first; ar; ar = ar->next) {
      if (ar->visible && ar->do_draw) {
        CTX_wm_region_set(C, ar);
        bool use_viewport = wm_region_use_viewport(sa, ar);

        if (stereo && wm_draw_region_stereo_set(bmain, sa, ar, STEREO_LEFT_ID)) {
          wm_draw_region_buffer_create(ar, true, use_viewport);

          for (int view = 0; view < 2; view++) {
            eStereoViews sview;
            if (view == 0) {
              sview = STEREO_LEFT_ID;
            }
            else {
              sview = STEREO_RIGHT_ID;
              wm_draw_region_stereo_set(bmain, sa, ar, sview);
            }

            wm_draw_region_bind(ar, view);
            ED_region_do_draw(C, ar);
            wm_draw_region_unbind(ar, view);
          }
        }
        else {
          wm_draw_region_buffer_create(ar, false, use_viewport);
          wm_draw_region_bind(ar, 0);
          ED_region_do_draw(C, ar);
          wm_draw_region_unbind(ar, 0);
        }

        ar->do_draw = false;
        CTX_wm_region_set(C, NULL);
      }
    }

    wm_area_mark_invalid_backbuf(sa);
    CTX_wm_area_set(C, NULL);
  }

/* using context, starts job */
static int screen_render_invoke(bContext *C, wmOperator *op, const wmEvent *event)
{
	/* new render clears all callbacks */
	Main *mainp;
	Scene *scene = CTX_data_scene(C);
	SceneRenderLayer *srl = NULL;
	Render *re;
	wmJob *wm_job;
	RenderJob *rj;
	Image *ima;
	int jobflag;
	const bool is_animation = RNA_boolean_get(op->ptr, "animation");
	const bool is_write_still = RNA_boolean_get(op->ptr, "write_still");
	const bool use_viewport = RNA_boolean_get(op->ptr, "use_viewport");
	View3D *v3d = use_viewport ? CTX_wm_view3d(C) : NULL;
	struct Object *camera_override = v3d ? V3D_CAMERA_LOCAL(v3d) : NULL;
	const char *name;
	ScrArea *sa;
	
	/* only one render job at a time */
	if (WM_jobs_test(CTX_wm_manager(C), scene, WM_JOB_TYPE_RENDER))
		return OPERATOR_CANCELLED;

	if (RE_force_single_renderlayer(scene))
		WM_event_add_notifier(C, NC_SCENE | ND_RENDER_OPTIONS, NULL);

	if (!RE_is_rendering_allowed(scene, camera_override, op->reports)) {
		return OPERATOR_CANCELLED;
	}

	if (!is_animation && is_write_still && BKE_imtype_is_movie(scene->r.im_format.imtype)) {
		BKE_report(op->reports, RPT_ERROR, "Cannot write a single file with an animation format selected");
		return OPERATOR_CANCELLED;
	}
	
	/* stop all running jobs, except screen one. currently previews frustrate Render */
	WM_jobs_kill_all_except(CTX_wm_manager(C), CTX_wm_screen(C));

	/* get main */
	if (G.debug_value == 101) {
		/* thread-safety experiment, copy main from the undo buffer */
		mainp = BKE_undo_get_main(&scene);
	}
	else
		mainp = CTX_data_main(C);

	/* cancel animation playback */
	if (ED_screen_animation_playing(CTX_wm_manager(C)))
		ED_screen_animation_play(C, 0, 0);
	
	/* handle UI stuff */
	WM_cursor_wait(1);

	/* flush sculpt and editmode changes */
	ED_editors_flush_edits(C, true);

	/* cleanup sequencer caches before starting user triggered render.
	 * otherwise, invalidated cache entries can make their way into
	 * the output rendering. We can't put that into RE_BlenderFrame,
	 * since sequence rendering can call that recursively... (peter) */
	BKE_sequencer_cache_cleanup();

	// store spare
	// get view3d layer, local layer, make this nice api call to render
	// store spare

	/* ensure at least 1 area shows result */
	sa = render_view_open(C, event->x, event->y);

	jobflag = WM_JOB_EXCL_RENDER | WM_JOB_PRIORITY | WM_JOB_PROGRESS;
	
	/* custom scene and single layer re-render */
	screen_render_scene_layer_set(op, mainp, &scene, &srl);

	if (RNA_struct_property_is_set(op->ptr, "layer"))
		jobflag |= WM_JOB_SUSPEND;

	/* job custom data */
	rj = MEM_callocN(sizeof(RenderJob), "render job");
	rj->main = mainp;
	rj->scene = scene;
	rj->current_scene = rj->scene;
	rj->srl = srl;
	rj->camera_override = camera_override;
	rj->lay_override = 0;
	rj->anim = is_animation;
	rj->write_still = is_write_still && !is_animation;
	rj->iuser.scene = scene;
	rj->iuser.ok = 1;
	rj->reports = op->reports;
	rj->orig_layer = 0;
	rj->last_layer = 0;
	rj->sa = sa;

	BKE_color_managed_display_settings_copy(&rj->display_settings, &scene->display_settings);
	BKE_color_managed_view_settings_copy(&rj->view_settings, &scene->view_settings);

	if (sa) {
		SpaceImage *sima = sa->spacedata.first;
//.........这里部分代码省略.........