/* executes blocking render */
static int screen_render_exec(bContext *C, wmOperator *op)
{
Scene *scene = CTX_data_scene(C);
SceneRenderLayer *srl = NULL;
Render *re;
Image *ima;
View3D *v3d = CTX_wm_view3d(C);
Main *mainp = CTX_data_main(C);
unsigned int lay;
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;
/* custom scene and single layer re-render */
screen_render_scene_layer_set(op, mainp, &scene, &srl);
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;
}
re = RE_NewRender(scene->id.name);
lay = (v3d) ? v3d->lay : scene->lay;
G.afbreek = 0;
RE_test_break_cb(re, NULL, (int (*)(void *))blender_test_break);
ima = BKE_image_verify_viewer(IMA_TYPE_R_RESULT, "Render Result");
BKE_image_signal(ima, NULL, IMA_SIGNAL_FREE);
BKE_image_backup_render(scene, ima);
/* 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();
RE_SetReports(re, op->reports);
if (is_animation)
RE_BlenderAnim(re, mainp, scene, camera_override, lay, scene->r.sfra, scene->r.efra, scene->r.frame_step);
else
RE_BlenderFrame(re, mainp, scene, srl, camera_override, lay, scene->r.cfra, is_write_still);
RE_SetReports(re, NULL);
// no redraw needed, we leave state as we entered it
ED_update_for_newframe(mainp, scene, 1);
WM_event_add_notifier(C, NC_SCENE | ND_RENDER_RESULT, scene);
return OPERATOR_FINISHED;
}
/* 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;
bScreen *screen= CTX_wm_screen(C);
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;
/* 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.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 (screen->animtimer)
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;
/* single layer re-render */
if(RNA_property_is_set(op->ptr, "layer")) {
SceneRenderLayer *rl;
Scene *scn;
char scene_name[MAX_ID_NAME-2], rl_name[RE_MAXNAME];
RNA_string_get(op->ptr, "layer", rl_name);
RNA_string_get(op->ptr, "scene", scene_name);
scn = (Scene *)BLI_findstring(&mainp->scene, scene_name, offsetof(ID, name) + 2);
rl = (SceneRenderLayer *)BLI_findstring(&scene->r.layers, rl_name, offsetof(SceneRenderLayer, name));
if (scn && rl) {
/* camera switch wont have updated */
scn->r.cfra= scene->r.cfra;
scene_camera_switch_update(scn);
scene = scn;
srl = rl;
}
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 */
steve= WM_jobs_get(CTX_wm_manager(C), CTX_wm_window(C), scene, "Render", 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 */
ima= BKE_image_verify_viewer(IMA_TYPE_R_RESULT, "Render Result");
BKE_image_signal(ima, NULL, IMA_SIGNAL_FREE);
BKE_image_backup_render(rj->scene, ima);
rj->image= ima;
/* setup new render */
re= RE_NewRender(scene->id.name);
RE_test_break_cb(re, rj, render_breakjob);
RE_draw_lock_cb(re, rj, render_drawlock);
RE_display_draw_cb(re, rj, image_rect_update);
RE_stats_draw_cb(re, rj, image_renderinfo_cb);
RE_progress_cb(re, rj, render_progress_update);
rj->re= re;
G.afbreek= 0;
WM_jobs_start(CTX_wm_manager(C), steve);
WM_cursor_wait(0);
WM_event_add_notifier(C, NC_SCENE|ND_RENDER_RESULT, scene);
/* we set G.rendering here already instead of only in the job, this ensure
main loop or other scene updates are disabled in time, since they may
have started before the job thread */
G.rendering = 1;
/* add modal handler for ESC */
WM_event_add_modal_handler(C, op);
return OPERATOR_RUNNING_MODAL;
}