void render_result_single_layer_begin(Render *re)
{
/* all layers except the active one get temporally pushed away */
/* officially pushed result should be NULL... error can happen with do_seq */
RE_FreeRenderResult(re->pushedresult);
re->pushedresult = re->result;
re->result = NULL;
}
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)) {
RE_FreeRenderResult(re->result);
re->result= new_render_result(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;
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);
free_render_result(&engine->fullresult, engine->fullresult.first);
RE_engine_free(engine);
return 1;
}
/* For cache, makes exact copy of render result */
bool render_result_exr_file_cache_read(Render *re)
{
char str[FILE_MAXFILE + MAX_ID_NAME + MAX_ID_NAME + 100] = "";
char *root = U.render_cachedir;
RE_FreeRenderResult(re->result);
re->result = render_result_new(re, &re->disprect, 0, RR_USE_MEM, RR_ALL_LAYERS, RR_ALL_VIEWS);
/* First try cache. */
render_result_exr_file_cache_path(re->scene, root, str);
printf("read exr cache file: %s\n", str);
if (!render_result_exr_file_read_path(re->result, NULL, str)) {
printf("cannot read: %s\n", str);
return false;
}
return true;
}
/* only for temp buffer, makes exact copy of render result */
int render_result_exr_file_read_sample(Render *re, int sample)
{
RenderLayer *rl;
char str[FILE_MAXFILE + MAX_ID_NAME + MAX_ID_NAME + 100] = "";
bool success = true;
RE_FreeRenderResult(re->result);
re->result = render_result_new(re, &re->disprect, 0, RR_USE_MEM, RR_ALL_LAYERS, RR_ALL_VIEWS);
for (rl = re->result->layers.first; rl; rl = rl->next) {
render_result_exr_file_path(re->scene, rl->name, sample, str);
printf("read exr tmp file: %s\n", str);
if (!render_result_exr_file_read_path(re->result, rl, str)) {
printf("cannot read: %s\n", str);
success = false;
}
}
return success;
}
/* if scemode is R_SINGLE_LAYER, at end of rendering, merge the both render results */
void render_result_single_layer_end(Render *re)
{
SceneRenderLayer *srl;
RenderLayer *rlpush;
RenderLayer *rl;
int nr;
if (re->result == NULL) {
printf("pop render result error; no current result!\n");
return;
}
if (!re->pushedresult)
return;
if (re->pushedresult->rectx == re->result->rectx && re->pushedresult->recty == re->result->recty) {
/* find which layer in re->pushedresult should be replaced */
rl = re->result->layers.first;
/* render result should be empty after this */
BLI_remlink(&re->result->layers, rl);
/* reconstruct render result layers */
for (nr = 0, srl = re->r.layers.first; srl; srl = srl->next, nr++) {
if (nr == re->r.actlay) {
BLI_addtail(&re->result->layers, rl);
}
else {
rlpush = RE_GetRenderLayer(re->pushedresult, srl->name);
if (rlpush) {
BLI_remlink(&re->pushedresult->layers, rlpush);
BLI_addtail(&re->result->layers, rlpush);
}
}
}
}
RE_FreeRenderResult(re->pushedresult);
re->pushedresult = NULL;
}
/* only for temp buffer files, makes exact copy of render result */
int render_result_exr_file_read(Render *re, int sample)
{
RenderLayer *rl;
char str[FILE_MAX];
int success = TRUE;
RE_FreeRenderResult(re->result);
re->result = render_result_new(re, &re->disprect, 0, RR_USE_MEM, RR_ALL_LAYERS);
for (rl = re->result->layers.first; rl; rl = rl->next) {
render_result_exr_file_path(re->scene, rl->name, sample, str);
printf("read exr tmp file: %s\n", str);
if (!render_result_exr_file_read_path(re->result, rl, str)) {
printf("cannot read: %s\n", str);
success = FALSE;
}
}
return success;
}
static void sss_create_tree_mat(Render *re, Material *mat)
{
SSSPoints *p;
RenderResult *rr;
ListBase points;
float (*co)[3] = NULL, (*color)[3] = NULL, *area = NULL;
int totpoint = 0, osa, osaflag, partsdone;
if (re->test_break(re->tbh))
return;
points.first= points.last= NULL;
/* TODO: this is getting a bit ugly, copying all those variables and
* setting them back, maybe we need to create our own Render? */
/* do SSS preprocessing render */
BLI_rw_mutex_lock(&re->resultmutex, THREAD_LOCK_WRITE);
rr= re->result;
osa= re->osa;
osaflag= re->r.mode & R_OSA;
partsdone= re->i.partsdone;
re->osa= 0;
re->r.mode &= ~R_OSA;
re->sss_points= &points;
re->sss_mat= mat;
re->i.partsdone = FALSE;
if (!(re->r.scemode & R_PREVIEWBUTS))
re->result= NULL;
BLI_rw_mutex_unlock(&re->resultmutex);
RE_TileProcessor(re);
BLI_rw_mutex_lock(&re->resultmutex, THREAD_LOCK_WRITE);
if (!(re->r.scemode & R_PREVIEWBUTS)) {
RE_FreeRenderResult(re->result);
re->result= rr;
}
BLI_rw_mutex_unlock(&re->resultmutex);
re->i.partsdone= partsdone;
re->sss_mat= NULL;
re->sss_points= NULL;
re->osa= osa;
if (osaflag) re->r.mode |= R_OSA;
/* no points? no tree */
if (!points.first)
return;
/* merge points together into a single buffer */
if (!re->test_break(re->tbh)) {
for (totpoint=0, p=points.first; p; p=p->next)
totpoint += p->totpoint;
co= MEM_mallocN(sizeof(*co)*totpoint, "SSSCo");
color= MEM_mallocN(sizeof(*color)*totpoint, "SSSColor");
area= MEM_mallocN(sizeof(*area)*totpoint, "SSSArea");
for (totpoint=0, p=points.first; p; p=p->next) {
memcpy(co+totpoint, p->co, sizeof(*co)*p->totpoint);
memcpy(color+totpoint, p->color, sizeof(*color)*p->totpoint);
memcpy(area+totpoint, p->area, sizeof(*area)*p->totpoint);
totpoint += p->totpoint;
}
}
/* free points */
for (p=points.first; p; p=p->next) {
MEM_freeN(p->co);
MEM_freeN(p->color);
MEM_freeN(p->area);
}
BLI_freelistN(&points);
/* build tree */
if (!re->test_break(re->tbh)) {
SSSData *sss= MEM_callocN(sizeof(*sss), "SSSData");
float ior= mat->sss_ior, cfac= mat->sss_colfac;
float *radius= mat->sss_radius;
float fw= mat->sss_front, bw= mat->sss_back;
float error = mat->sss_error;
error= get_render_aosss_error(&re->r, error);
if ((re->r.scemode & R_PREVIEWBUTS) && error < 0.5f)
error= 0.5f;
sss->ss[0]= scatter_settings_new(mat->sss_col[0], radius[0], ior, cfac, fw, bw);
sss->ss[1]= scatter_settings_new(mat->sss_col[1], radius[1], ior, cfac, fw, bw);
sss->ss[2]= scatter_settings_new(mat->sss_col[2], radius[2], ior, cfac, fw, bw);
sss->tree= scatter_tree_new(sss->ss, mat->sss_scale, error,
co, color, area, totpoint);
MEM_freeN(co);
MEM_freeN(color);
MEM_freeN(area);
scatter_tree_build(sss->tree);
BLI_ghash_insert(re->sss_hash, mat, sss);
}
else {
if (co) MEM_freeN(co);
if (color) MEM_freeN(color);
if (area) MEM_freeN(area);
}
}