int RE_engine_render(Render *re, int do_all)
{
RenderEngineType *type= RE_engines_find(re->r.engine);
RenderEngine *engine;
/* verify if we can render */
if (!type->render)
return 0;
if ((re->r.scemode & R_PREVIEWBUTS) && !(type->flag & RE_USE_PREVIEW))
return 0;
if (do_all && !(type->flag & RE_USE_POSTPROCESS))
return 0;
if (!do_all && (type->flag & RE_USE_POSTPROCESS))
return 0;
/* create render result */
BLI_rw_mutex_lock(&re->resultmutex, THREAD_LOCK_WRITE);
if (re->result==NULL || !(re->r.scemode & R_PREVIEWBUTS)) {
if (re->result)
render_result_free(re->result);
re->result= render_result_new(re, &re->disprect, 0, 0);
}
BLI_rw_mutex_unlock(&re->resultmutex);
if (re->result==NULL)
return 1;
/* set render info */
re->i.cfra= re->scene->r.cfra;
BLI_strncpy(re->i.scenename, re->scene->id.name+2, sizeof(re->i.scenename));
re->i.totface=re->i.totvert=re->i.totstrand=re->i.totlamp=re->i.tothalo= 0;
/* render */
engine = RE_engine_create(type);
engine->re= re;
if (re->flag & R_ANIMATION)
engine->flag |= RE_ENGINE_ANIMATION;
if (re->r.scemode & R_PREVIEWBUTS)
engine->flag |= RE_ENGINE_PREVIEW;
engine->camera_override = re->camera_override;
if ((re->r.scemode & (R_NO_FRAME_UPDATE|R_PREVIEWBUTS))==0)
scene_update_for_newframe(re->main, re->scene, re->lay);
if (type->update)
type->update(engine, re->main, re->scene);
if (type->render)
type->render(engine, re->scene);
render_result_free_list(&engine->fullresult, engine->fullresult.first);
RE_engine_free(engine);
if (BKE_reports_contain(re->reports, RPT_ERROR))
G.afbreek = 1;
return 1;
}
/* update scene for current frame */
static void motionpaths_calc_update_scene(Scene *scene)
{
#if 1 // 'production' optimisations always on
Base *base, *last=NULL;
/* only stuff that moves or needs display still */
DAG_scene_update_flags(G.main, scene, scene->lay, TRUE);
/* find the last object with the tag
* - all those afterwards are assumed to not be relevant for our calculations
*/
// optimize further by moving out...
for (base=scene->base.first; base; base=base->next) {
if (base->object->flag & BA_TEMP_TAG)
last = base;
}
/* perform updates for tagged objects */
// XXX: this will break if rigs depend on scene or other data that
// is animated but not attached to/updatable from objects
for (base=scene->base.first; base; base=base->next) {
/* update this object */
object_handle_update(scene, base->object);
/* if this is the last one we need to update, let's stop to save some time */
if (base == last)
break;
}
#else // original, 'always correct' version
/* do all updates
* - if this is too slow, resort to using a more efficient way
* that doesn't force complete update, but for now, this is the
* most accurate way!
*/
scene_update_for_newframe(G.main, scene, scene->lay); // XXX this is the best way we can get anything moving
#endif
}