source/blender/render/intern/source/pipeline.c

   1 /**
   2  *
   3  * ***** BEGIN GPL LICENSE BLOCK *****
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version 2
   8  * of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software Foundation,
  17  * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18  *
  19  * The Original Code is Copyright (C) 2006 Blender Foundation.
  20  * All rights reserved.
  21  *
  22  * The Original Code is: all of this file.
  23  *
  24  * Contributor(s): none yet.
  25  *
  26  * ***** END GPL LICENSE BLOCK *****
  27  */
  28
  29 #include <math.h>
  30 #include <limits.h>
  31 #include <string.h>
  32 #include <stdlib.h>
  33
  34 #include "DNA_group_types.h"
  35 #include "DNA_image_types.h"
  36 #include "DNA_node_types.h"
  37 #include "DNA_object_types.h"
  38 #include "DNA_scene_types.h"
  39 #include "DNA_sequence_types.h"
  40 #include "DNA_userdef_types.h"
  41
  42 #include "BKE_utildefines.h"
  43 #include "BKE_global.h"
  44 #include "BKE_image.h"
  45 #include "BKE_main.h"
  46 #include "BKE_node.h"
  47 #include "BKE_object.h"
  48 #include "BKE_scene.h"
  49 #include "BKE_writeavi.h"       /* <------ should be replaced once with generic movie module */
  50 #include "BKE_pointcache.h"
  51
  52 #include "MEM_guardedalloc.h"
  53
  54 #include "BLI_arithb.h"
  55 #include "BLI_blenlib.h"
  56 #include "BLI_rand.h"
  57 #include "BLI_threads.h"
  58
  59 #include "PIL_time.h"
  60 #include "IMB_imbuf.h"
  61 #include "IMB_imbuf_types.h"
  62
  63 #include "intern/openexr/openexr_multi.h"
  64
  65 #include "RE_pipeline.h"
  66
  67 /* internal */
  68 #include "render_types.h"
  69 #include "renderpipeline.h"
  70 #include "renderdatabase.h"
  71 #include "rendercore.h"
  72 #include "envmap.h"
  73 #include "initrender.h"
  74 #include "shadbuf.h"
  75 #include "pixelblending.h"
  76 #include "zbuf.h"
  77
  78
  79 /* render flow
  80
  81 1) Initialize state
  82 - state data, tables
  83 - movie/image file init
  84 - everything that doesn't change during animation
  85
  86 2) Initialize data
  87 - camera, world, matrices
  88 - make render verts, faces, halos, strands
  89 - everything can change per frame/field
  90
  91 3) Render Processor
  92 - multiple layers
  93 - tiles, rect, baking
  94 - layers/tiles optionally to disk or directly in Render Result
  95
  96 4) Composit Render Result
  97 - also read external files etc
  98
  99 5) Image Files
 100 - save file or append in movie
 101
 102 */
 103
 104
 105 /* ********* globals ******** */
 106
 107 /* here we store all renders */
 108 static struct ListBase RenderList= {NULL, NULL};
 109
 110 /* hardcopy of current render, used while rendering for speed */
 111 Render R;
 112
 113 /* commandline thread override */
 114 static int commandline_threads= -1;
 115
 116 /* ********* alloc and free ******** */
 117
 118
 119 static volatile int g_break= 0;
 120 static int thread_break(void *unused)
 121 {
 122         return g_break;
 123 }
 124
 125 /* default callbacks, set in each new render */
 126 static void result_nothing(void *unused, RenderResult *rr) {}
 127 static void result_rcti_nothing(void *unused, RenderResult *rr, volatile struct rcti *rect) {}
 128 static void stats_nothing(void *unused, RenderStats *rs) {}
 129 static void int_nothing(void *unused, int val) {}
 130 static int void_nothing(void *unused) {return 0;}
 131 static void print_error(void *unused, char *str) {printf("ERROR: %s\n", str);}
 132
 133 int RE_RenderInProgress(Render *re)
 134 {
 135         return re->result_ok==0;
 136 }
 137
 138 static void stats_background(void *unused, RenderStats *rs)
 139 {
 140         uintptr_t mem_in_use= MEM_get_memory_in_use();
 141         float megs_used_memory= mem_in_use/(1024.0*1024.0);
 142         char str[400], *spos= str;
 143
 144         spos+= sprintf(spos, "Fra:%d Mem:%.2fM ", rs->cfra, megs_used_memory);
 145
 146         if(rs->curfield)
 147                 spos+= sprintf(spos, "Field %d ", rs->curfield);
 148         if(rs->curblur)
 149                 spos+= sprintf(spos, "Blur %d ", rs->curblur);
 150
 151         if(rs->infostr) {
 152                 spos+= sprintf(spos, "| %s", rs->infostr);
 153         }
 154         else {
 155                 if(rs->tothalo)
 156                         spos+= sprintf(spos, "Sce: %s Ve:%d Fa:%d Ha:%d La:%d", rs->scenename, rs->totvert, rs->totface, rs->tothalo, rs->totlamp);
 157                 else
 158                         spos+= sprintf(spos, "Sce: %s Ve:%d Fa:%d La:%d", rs->scenename, rs->totvert, rs->totface, rs->totlamp);
 159         }
 160         printf("%s\n", str);
 161 }
 162
 163 void RE_FreeRenderResult(RenderResult *res)
 164 {
 165         if(res==NULL) return;
 166
 167         while(res->layers.first) {
 168                 RenderLayer *rl= res->layers.first;
 169
 170                 if(rl->rectf) MEM_freeN(rl->rectf);
 171                 /* acolrect and scolrect are optionally allocated in shade_tile, only free here since it can be used for drawing */
 172                 if(rl->acolrect) MEM_freeN(rl->acolrect);
 173                 if(rl->scolrect) MEM_freeN(rl->scolrect);
 174
 175                 while(rl->passes.first) {
 176                         RenderPass *rpass= rl->passes.first;
 177                         if(rpass->rect) MEM_freeN(rpass->rect);
 178                         BLI_remlink(&rl->passes, rpass);
 179                         MEM_freeN(rpass);
 180                 }
 181                 BLI_remlink(&res->layers, rl);
 182                 MEM_freeN(rl);
 183         }
 184
 185         if(res->rect32)
 186                 MEM_freeN(res->rect32);
 187         if(res->rectz)
 188                 MEM_freeN(res->rectz);
 189         if(res->rectf)
 190                 MEM_freeN(res->rectf);
 191
 192         MEM_freeN(res);
 193 }
 194
 195 /* version that's compatible with fullsample buffers */
 196 static void free_render_result(ListBase *lb, RenderResult *rr)
 197 {
 198         RenderResult *rrnext;
 199
 200         for(; rr; rr= rrnext) {
 201                 rrnext= rr->next;
 202
 203                 if(lb && lb->first)
 204                         BLI_remlink(lb, rr);
 205
 206                 RE_FreeRenderResult(rr);
 207         }
 208 }
 209
 210
 211 /* all layers except the active one get temporally pushed away */
 212 static void push_render_result(Render *re)
 213 {
 214         /* officially pushed result should be NULL... error can happen with do_seq */
 215         RE_FreeRenderResult(re->pushedresult);
 216
 217         re->pushedresult= re->result;
 218         re->result= NULL;
 219 }
 220
 221 /* if scemode is R_SINGLE_LAYER, at end of rendering, merge the both render results */
 222 static void pop_render_result(Render *re)
 223 {
 224
 225         if(re->result==NULL) {
 226                 printf("pop render result error; no current result!\n");
 227                 return;
 228         }
 229         if(re->pushedresult) {
 230                 if(re->pushedresult->rectx==re->result->rectx && re->pushedresult->recty==re->result->recty) {
 231                         /* find which layer in pushedresult should be replaced */
 232                         SceneRenderLayer *srl;
 233                         RenderLayer *rlpush;
 234                         RenderLayer *rl= re->result->layers.first;
 235                         int nr;
 236
 237                         /* render result should be empty after this */
 238                         BLI_remlink(&re->result->layers, rl);
 239
 240                         /* reconstruct render result layers */
 241                         for(nr=0, srl= re->scene->r.layers.first; srl; srl= srl->next, nr++) {
 242                                 if(nr==re->r.actlay)
 243                                         BLI_addtail(&re->result->layers, rl);
 244                                 else {
 245                                         rlpush= RE_GetRenderLayer(re->pushedresult, srl->name);
 246                                         if(rlpush) {
 247                                                 BLI_remlink(&re->pushedresult->layers, rlpush);
 248                                                 BLI_addtail(&re->result->layers, rlpush);
 249                                         }
 250                                 }
 251                         }
 252                 }
 253
 254                 RE_FreeRenderResult(re->pushedresult);
 255                 re->pushedresult= NULL;
 256         }
 257 }
 258
 259 /* NOTE: OpenEXR only supports 32 chars for layer+pass names
 260    In blender we now use max 10 chars for pass, max 20 for layer */
 261 static char *get_pass_name(int passtype, int channel)
 262 {
 263
 264         if(passtype == SCE_PASS_COMBINED) {
 265                 if(channel==-1) return "Combined";
 266                 if(channel==0) return "Combined.R";
 267                 if(channel==1) return "Combined.G";
 268                 if(channel==2) return "Combined.B";
 269                 return "Combined.A";
 270         }
 271         if(passtype == SCE_PASS_Z) {
 272                 if(channel==-1) return "Depth";
 273                 return "Depth.Z";
 274         }
 275         if(passtype == SCE_PASS_VECTOR) {
 276                 if(channel==-1) return "Vector";
 277                 if(channel==0) return "Vector.X";
 278                 if(channel==1) return "Vector.Y";
 279                 if(channel==2) return "Vector.Z";
 280                 return "Vector.W";
 281         }
 282         if(passtype == SCE_PASS_NORMAL) {
 283                 if(channel==-1) return "Normal";
 284                 if(channel==0) return "Normal.X";
 285                 if(channel==1) return "Normal.Y";
 286                 return "Normal.Z";
 287         }
 288         if(passtype == SCE_PASS_UV) {
 289                 if(channel==-1) return "UV";
 290                 if(channel==0) return "UV.U";
 291                 if(channel==1) return "UV.V";
 292                 return "UV.A";
 293         }
 294         if(passtype == SCE_PASS_RGBA) {
 295                 if(channel==-1) return "Color";
 296                 if(channel==0) return "Color.R";
 297                 if(channel==1) return "Color.G";
 298                 if(channel==2) return "Color.B";
 299                 return "Color.A";
 300         }
 301         if(passtype == SCE_PASS_DIFFUSE) {
 302                 if(channel==-1) return "Diffuse";
 303                 if(channel==0) return "Diffuse.R";
 304                 if(channel==1) return "Diffuse.G";
 305                 return "Diffuse.B";
 306         }
 307         if(passtype == SCE_PASS_SPEC) {
 308                 if(channel==-1) return "Spec";
 309                 if(channel==0) return "Spec.R";
 310                 if(channel==1) return "Spec.G";
 311                 return "Spec.B";
 312         }
 313         if(passtype == SCE_PASS_SHADOW) {
 314                 if(channel==-1) return "Shadow";
 315                 if(channel==0) return "Shadow.R";
 316                 if(channel==1) return "Shadow.G";
 317                 return "Shadow.B";
 318         }
 319         if(passtype == SCE_PASS_AO) {
 320                 if(channel==-1) return "AO";
 321                 if(channel==0) return "AO.R";
 322                 if(channel==1) return "AO.G";
 323                 return "AO.B";
 324         }
 325         if(passtype == SCE_PASS_REFLECT) {
 326                 if(channel==-1) return "Reflect";
 327                 if(channel==0) return "Reflect.R";
 328                 if(channel==1) return "Reflect.G";
 329                 return "Reflect.B";
 330         }
 331         if(passtype == SCE_PASS_REFRACT) {
 332                 if(channel==-1) return "Refract";
 333                 if(channel==0) return "Refract.R";
 334                 if(channel==1) return "Refract.G";
 335                 return "Refract.B";
 336         }
 337         if(passtype == SCE_PASS_RADIO) {
 338                 if(channel==-1) return "Radio";
 339                 if(channel==0) return "Radio.R";
 340                 if(channel==1) return "Radio.G";
 341                 return "Radio.B";
 342         }
 343         if(passtype == SCE_PASS_INDEXOB) {
 344                 if(channel==-1) return "IndexOB";
 345                 return "IndexOB.X";
 346         }
 347         if(passtype == SCE_PASS_MIST) {
 348                 if(channel==-1) return "Mist";
 349                 return "Mist.Z";
 350         }
 351         return "Unknown";
 352 }
 353
 354 static int passtype_from_name(char *str)
 355 {
 356
 357         if(strcmp(str, "Combined")==0)
 358                 return SCE_PASS_COMBINED;
 359
 360         if(strcmp(str, "Depth")==0)
 361                 return SCE_PASS_Z;
 362
 363         if(strcmp(str, "Vector")==0)
 364                 return SCE_PASS_VECTOR;
 365
 366         if(strcmp(str, "Normal")==0)
 367                 return SCE_PASS_NORMAL;
 368
 369         if(strcmp(str, "UV")==0)
 370                 return SCE_PASS_UV;
 371
 372         if(strcmp(str, "Color")==0)
 373                 return SCE_PASS_RGBA;
 374
 375         if(strcmp(str, "Diffuse")==0)
 376                 return SCE_PASS_DIFFUSE;
 377
 378         if(strcmp(str, "Spec")==0)
 379                 return SCE_PASS_SPEC;
 380
 381         if(strcmp(str, "Shadow")==0)
 382                 return SCE_PASS_SHADOW;
 383
 384         if(strcmp(str, "AO")==0)
 385                 return SCE_PASS_AO;
 386
 387         if(strcmp(str, "Reflect")==0)
 388                 return SCE_PASS_REFLECT;
 389
 390         if(strcmp(str, "Refract")==0)
 391                 return SCE_PASS_REFRACT;
 392
 393         if(strcmp(str, "Radio")==0)
 394                 return SCE_PASS_RADIO;
 395
 396         if(strcmp(str, "IndexOB")==0)
 397                 return SCE_PASS_INDEXOB;
 398
 399         if(strcmp(str, "Mist")==0)
 400                 return SCE_PASS_MIST;
 401
 402         return 0;
 403 }
 404
 405 static void render_unique_exr_name(Render *re, char *str, int sample)
 406 {
 407         char di[FILE_MAX], name[FILE_MAXFILE], fi[FILE_MAXFILE];
 408
 409         BLI_strncpy(di, G.sce, FILE_MAX);
 410         BLI_splitdirstring(di, fi);
 411
 412         if(sample==0)
 413                 sprintf(name, "%s_%s.exr", fi, re->scene->id.name+2);
 414         else
 415                 sprintf(name, "%s_%s%d.exr", fi, re->scene->id.name+2, sample);
 416
 417         BLI_make_file_string("/", str, btempdir, name);
 418 }
 419
 420 static void render_layer_add_pass(RenderResult *rr, RenderLayer *rl, int channels, int passtype)
 421 {
 422         char *typestr= get_pass_name(passtype, 0);
 423         RenderPass *rpass= MEM_callocN(sizeof(RenderPass), typestr);
 424         int rectsize= rr->rectx*rr->recty*channels;
 425
 426         BLI_addtail(&rl->passes, rpass);
 427         rpass->passtype= passtype;
 428         rpass->channels= channels;
 429
 430         if(rr->exrhandle) {
 431                 int a;
 432                 for(a=0; a<channels; a++)
 433                         IMB_exr_add_channel(rr->exrhandle, rl->name, get_pass_name(passtype, a), 0, 0, NULL);
 434         }
 435         else {
 436                 float *rect;
 437                 int x;
 438
 439                 rpass->rect= MEM_mapallocN(sizeof(float)*rectsize, typestr);
 440
 441                 if(passtype==SCE_PASS_VECTOR) {
 442                         /* initialize to max speed */
 443                         rect= rpass->rect;
 444                         for(x= rectsize-1; x>=0; x--)
 445                                 rect[x]= PASS_VECTOR_MAX;
 446                 }
 447                 else if(passtype==SCE_PASS_Z) {
 448                         rect= rpass->rect;
 449                         for(x= rectsize-1; x>=0; x--)
 450                                 rect[x]= 10e10;
 451                 }
 452         }
 453 }
 454
 455 float *RE_RenderLayerGetPass(RenderLayer *rl, int passtype)
 456 {
 457         RenderPass *rpass;
 458
 459         for(rpass=rl->passes.first; rpass; rpass= rpass->next)
 460                 if(rpass->passtype== passtype)
 461                         return rpass->rect;
 462         return NULL;
 463 }
 464
 465 RenderLayer *RE_GetRenderLayer(RenderResult *rr, const char *name)
 466 {
 467         RenderLayer *rl;
 468
 469         if(rr==NULL) return NULL;
 470
 471         for(rl= rr->layers.first; rl; rl= rl->next)
 472                 if(strncmp(rl->name, name, RE_MAXNAME)==0)
 473                         return rl;
 474         return NULL;
 475 }
 476
 477 #define RR_USEMEM       0
 478 /* called by main render as well for parts */
 479 /* will read info from Render *re to define layers */
 480 /* called in threads */
 481 /* re->winx,winy is coordinate space of entire image, partrct the part within */
 482 static RenderResult *new_render_result(Render *re, rcti *partrct, int crop, int savebuffers)
 483 {
 484         RenderResult *rr;
 485         RenderLayer *rl;
 486         SceneRenderLayer *srl;
 487         int rectx, recty, nr;
 488
 489         rectx= partrct->xmax - partrct->xmin;
 490         recty= partrct->ymax - partrct->ymin;
 491
 492         if(rectx<=0 || recty<=0)
 493                 return NULL;
 494
 495         rr= MEM_callocN(sizeof(RenderResult), "new render result");
 496         rr->rectx= rectx;
 497         rr->recty= recty;
 498         rr->renrect.xmin= 0; rr->renrect.xmax= rectx-2*crop;
 499         /* crop is one or two extra pixels rendered for filtering, is used for merging and display too */
 500         rr->crop= crop;
 501
 502         /* tilerect is relative coordinates within render disprect. do not subtract crop yet */
 503         rr->tilerect.xmin= partrct->xmin - re->disprect.xmin;
 504         rr->tilerect.xmax= partrct->xmax - re->disprect.xmax;
 505         rr->tilerect.ymin= partrct->ymin - re->disprect.ymin;
 506         rr->tilerect.ymax= partrct->ymax - re->disprect.ymax;
 507
 508         if(savebuffers) {
 509                 rr->exrhandle= IMB_exr_get_handle();
 510         }
 511
 512         /* check renderdata for amount of layers */
 513         for(nr=0, srl= re->r.layers.first; srl; srl= srl->next, nr++) {
 514
 515                 if((re->r.scemode & R_SINGLE_LAYER) && nr!=re->r.actlay)
 516                         continue;
 517                 if(srl->layflag & SCE_LAY_DISABLE)
 518                         continue;
 519
 520                 rl= MEM_callocN(sizeof(RenderLayer), "new render layer");
 521                 BLI_addtail(&rr->layers, rl);
 522
 523                 strcpy(rl->name, srl->name);
 524                 rl->lay= srl->lay;
 525                 rl->lay_zmask= srl->lay_zmask;
 526                 rl->layflag= srl->layflag;
 527                 rl->passflag= srl->passflag;
 528                 rl->pass_xor= srl->pass_xor;
 529                 rl->light_override= srl->light_override;
 530                 rl->mat_override= srl->mat_override;
 531
 532                 if(rr->exrhandle) {
 533                         IMB_exr_add_channel(rr->exrhandle, rl->name, "Combined.R", 0, 0, NULL);
 534                         IMB_exr_add_channel(rr->exrhandle, rl->name, "Combined.G", 0, 0, NULL);
 535                         IMB_exr_add_channel(rr->exrhandle, rl->name, "Combined.B", 0, 0, NULL);
 536                         IMB_exr_add_channel(rr->exrhandle, rl->name, "Combined.A", 0, 0, NULL);
 537                 }
 538                 else
 539                         rl->rectf= MEM_mapallocN(rectx*recty*sizeof(float)*4, "Combined rgba");
 540
 541                 if(srl->passflag  & SCE_PASS_Z)
 542                         render_layer_add_pass(rr, rl, 1, SCE_PASS_Z);
 543                 if(srl->passflag  & SCE_PASS_VECTOR)
 544                         render_layer_add_pass(rr, rl, 4, SCE_PASS_VECTOR);
 545                 if(srl->passflag  & SCE_PASS_NORMAL)
 546                         render_layer_add_pass(rr, rl, 3, SCE_PASS_NORMAL);
 547                 if(srl->passflag  & SCE_PASS_UV)
 548                         render_layer_add_pass(rr, rl, 3, SCE_PASS_UV);
 549                 if(srl->passflag  & SCE_PASS_RGBA)
 550                         render_layer_add_pass(rr, rl, 4, SCE_PASS_RGBA);
 551                 if(srl->passflag  & SCE_PASS_DIFFUSE)
 552                         render_layer_add_pass(rr, rl, 3, SCE_PASS_DIFFUSE);
 553                 if(srl->passflag  & SCE_PASS_SPEC)
 554                         render_layer_add_pass(rr, rl, 3, SCE_PASS_SPEC);
 555                 if(srl->passflag  & SCE_PASS_AO)
 556                         render_layer_add_pass(rr, rl, 3, SCE_PASS_AO);
 557                 if(srl->passflag  & SCE_PASS_SHADOW)
 558                         render_layer_add_pass(rr, rl, 3, SCE_PASS_SHADOW);
 559                 if(srl->passflag  & SCE_PASS_REFLECT)
 560                         render_layer_add_pass(rr, rl, 3, SCE_PASS_REFLECT);
 561                 if(srl->passflag  & SCE_PASS_REFRACT)
 562                         render_layer_add_pass(rr, rl, 3, SCE_PASS_REFRACT);
 563                 if(srl->passflag  & SCE_PASS_RADIO)
 564                         render_layer_add_pass(rr, rl, 3, SCE_PASS_RADIO);
 565                 if(srl->passflag  & SCE_PASS_INDEXOB)
 566                         render_layer_add_pass(rr, rl, 1, SCE_PASS_INDEXOB);
 567                 if(srl->passflag  & SCE_PASS_MIST)
 568                         render_layer_add_pass(rr, rl, 1, SCE_PASS_MIST);
 569
 570         }
 571         /* sss, previewrender and envmap don't do layers, so we make a default one */
 572         if(rr->layers.first==NULL) {
 573                 rl= MEM_callocN(sizeof(RenderLayer), "new render layer");
 574                 BLI_addtail(&rr->layers, rl);
 575
 576                 /* duplicate code... */
 577                 if(rr->exrhandle) {
 578                         IMB_exr_add_channel(rr->exrhandle, rl->name, "Combined.R", 0, 0, NULL);
 579                         IMB_exr_add_channel(rr->exrhandle, rl->name, "Combined.G", 0, 0, NULL);
 580                         IMB_exr_add_channel(rr->exrhandle, rl->name, "Combined.B", 0, 0, NULL);
 581                         IMB_exr_add_channel(rr->exrhandle, rl->name, "Combined.A", 0, 0, NULL);
 582                 }
 583                 else
 584                         rl->rectf= MEM_mapallocN(rectx*recty*sizeof(float)*4, "Combined rgba");
 585
 586                 /* note, this has to be in sync with scene.c */
 587                 rl->lay= (1<<20) -1;
 588                 rl->layflag= 0x7FFF;    /* solid ztra halo strand */
 589                 rl->passflag= SCE_PASS_COMBINED;
 590
 591                 re->r.actlay= 0;
 592         }
 593
 594         /* border render; calculate offset for use in compositor. compo is centralized coords */
 595         rr->xof= re->disprect.xmin + (re->disprect.xmax - re->disprect.xmin)/2 - re->winx/2;
 596         rr->yof= re->disprect.ymin + (re->disprect.ymax - re->disprect.ymin)/2 - re->winy/2;
 597
 598         return rr;
 599 }
 600
 601 static int render_scene_needs_vector(Render *re)
 602 {
 603         SceneRenderLayer *srl;
 604
 605         for(srl= re->scene->r.layers.first; srl; srl= srl->next)
 606                 if(!(srl->layflag & SCE_LAY_DISABLE))
 607                         if(srl->passflag & SCE_PASS_VECTOR)
 608                                 return 1;
 609
 610         return 0;
 611 }
 612
 613 static void do_merge_tile(RenderResult *rr, RenderResult *rrpart, float *target, float *tile, int pixsize)
 614 {
 615         int y, ofs, copylen, tilex, tiley;
 616
 617         copylen= tilex= rrpart->rectx;
 618         tiley= rrpart->recty;
 619
 620         if(rrpart->crop) {      /* filters add pixel extra */
 621                 tile+= pixsize*(rrpart->crop + rrpart->crop*tilex);
 622
 623                 copylen= tilex - 2*rrpart->crop;
 624                 tiley -= 2*rrpart->crop;
 625
 626                 ofs= (rrpart->tilerect.ymin + rrpart->crop)*rr->rectx + (rrpart->tilerect.xmin+rrpart->crop);
 627                 target+= pixsize*ofs;
 628         }
 629         else {
 630                 ofs= (rrpart->tilerect.ymin*rr->rectx + rrpart->tilerect.xmin);
 631                 target+= pixsize*ofs;
 632         }
 633
 634         copylen *= sizeof(float)*pixsize;
 635         tilex *= pixsize;
 636         ofs= pixsize*rr->rectx;
 637
 638         for(y=0; y<tiley; y++) {
 639                 memcpy(target, tile, copylen);
 640                 target+= ofs;
 641                 tile+= tilex;
 642         }
 643 }
 644
 645 /* used when rendering to a full buffer, or when reading the exr part-layer-pass file */
 646 /* no test happens here if it fits... we also assume layers are in sync */
 647 /* is used within threads */
 648 static void merge_render_result(RenderResult *rr, RenderResult *rrpart)
 649 {
 650         RenderLayer *rl, *rlp;
 651         RenderPass *rpass, *rpassp;
 652
 653         for(rl= rr->layers.first, rlp= rrpart->layers.first; rl && rlp; rl= rl->next, rlp= rlp->next) {
 654
 655                 /* combined */
 656                 if(rl->rectf && rlp->rectf)
 657                         do_merge_tile(rr, rrpart, rl->rectf, rlp->rectf, 4);
 658
 659                 /* passes are allocated in sync */
 660                 for(rpass= rl->passes.first, rpassp= rlp->passes.first; rpass && rpassp; rpass= rpass->next, rpassp= rpassp->next) {
 661                         do_merge_tile(rr, rrpart, rpass->rect, rpassp->rect, rpass->channels);
 662                 }
 663         }
 664 }
 665
 666
 667 static void save_render_result_tile(RenderResult *rr, RenderResult *rrpart)
 668 {
 669         RenderLayer *rlp;
 670         RenderPass *rpassp;
 671         int offs, partx, party;
 672
 673         BLI_lock_thread(LOCK_IMAGE);
 674
 675         for(rlp= rrpart->layers.first; rlp; rlp= rlp->next) {
 676
 677                 if(rrpart->crop) {      /* filters add pixel extra */
 678                         offs= (rrpart->crop + rrpart->crop*rrpart->rectx);
 679                 }
 680                 else {
 681                         offs= 0;
 682                 }
 683
 684                 /* combined */
 685                 if(rlp->rectf) {
 686                         int a, xstride= 4;
 687                         for(a=0; a<xstride; a++)
 688                                 IMB_exr_set_channel(rr->exrhandle, rlp->name, get_pass_name(SCE_PASS_COMBINED, a),
 689                                                                 xstride, xstride*rrpart->rectx, rlp->rectf+a + xstride*offs);
 690                 }
 691
 692                 /* passes are allocated in sync */
 693                 for(rpassp= rlp->passes.first; rpassp; rpassp= rpassp->next) {
 694                         int a, xstride= rpassp->channels;
 695                         for(a=0; a<xstride; a++)
 696                                 IMB_exr_set_channel(rr->exrhandle, rlp->name, get_pass_name(rpassp->passtype, a),
 697                                                                         xstride, xstride*rrpart->rectx, rpassp->rect+a + xstride*offs);
 698                 }
 699
 700         }
 701
 702         party= rrpart->tilerect.ymin + rrpart->crop;
 703         partx= rrpart->tilerect.xmin + rrpart->crop;
 704         IMB_exrtile_write_channels(rr->exrhandle, partx, party, 0);
 705
 706         BLI_unlock_thread(LOCK_IMAGE);
 707
 708 }
 709
 710 static void save_empty_result_tiles(Render *re)
 711 {
 712         RenderPart *pa;
 713         RenderResult *rr;
 714
 715         for(rr= re->result; rr; rr= rr->next) {
 716                 IMB_exrtile_clear_channels(rr->exrhandle);
 717
 718                 for(pa= re->parts.first; pa; pa= pa->next) {
 719                         if(pa->ready==0) {
 720                                 int party= pa->disprect.ymin - re->disprect.ymin + pa->crop;
 721                                 int partx= pa->disprect.xmin - re->disprect.xmin + pa->crop;
 722                                 IMB_exrtile_write_channels(rr->exrhandle, partx, party, 0);
 723                         }
 724                 }
 725         }
 726 }
 727
 728
 729 /* for passes read from files, these have names stored */
 730 static char *make_pass_name(RenderPass *rpass, int chan)
 731 {
 732         static char name[16];
 733         int len;
 734
 735         BLI_strncpy(name, rpass->name, EXR_PASS_MAXNAME);
 736         len= strlen(name);
 737         name[len]= '.';
 738         name[len+1]= rpass->chan_id[chan];
 739         name[len+2]= 0;
 740
 741         return name;
 742 }
 743
 744 /* filename already made absolute */
 745 /* called from within UI, saves both rendered result as a file-read result */
 746 void RE_WriteRenderResult(RenderResult *rr, char *filename, int compress)
 747 {
 748         RenderLayer *rl;
 749         RenderPass *rpass;
 750         void *exrhandle= IMB_exr_get_handle();
 751
 752         BLI_make_existing_file(filename);
 753
 754         /* composite result */
 755         if(rr->rectf) {
 756                 IMB_exr_add_channel(exrhandle, "Composite", "Combined.R", 4, 4*rr->rectx, rr->rectf);
 757                 IMB_exr_add_channel(exrhandle, "Composite", "Combined.G", 4, 4*rr->rectx, rr->rectf+1);
 758                 IMB_exr_add_channel(exrhandle, "Composite", "Combined.B", 4, 4*rr->rectx, rr->rectf+2);
 759                 IMB_exr_add_channel(exrhandle, "Composite", "Combined.A", 4, 4*rr->rectx, rr->rectf+3);
 760         }
 761
 762         /* add layers/passes and assign channels */
 763         for(rl= rr->layers.first; rl; rl= rl->next) {
 764
 765                 /* combined */
 766                 if(rl->rectf) {
 767                         int a, xstride= 4;
 768                         for(a=0; a<xstride; a++)
 769                                 IMB_exr_add_channel(exrhandle, rl->name, get_pass_name(SCE_PASS_COMBINED, a),
 770                                                                         xstride, xstride*rr->rectx, rl->rectf+a);
 771                 }
 772
 773                 /* passes are allocated in sync */
 774                 for(rpass= rl->passes.first; rpass; rpass= rpass->next) {
 775                         int a, xstride= rpass->channels;
 776                         for(a=0; a<xstride; a++) {
 777                                 if(rpass->passtype)
 778                                         IMB_exr_add_channel(exrhandle, rl->name, get_pass_name(rpass->passtype, a),
 779                                                                                 xstride, xstride*rr->rectx, rpass->rect+a);
 780                                 else
 781                                         IMB_exr_add_channel(exrhandle, rl->name, make_pass_name(rpass, a),
 782                                                                                 xstride, xstride*rr->rectx, rpass->rect+a);
 783                         }
 784                 }
 785         }
 786
 787         IMB_exr_begin_write(exrhandle, filename, rr->rectx, rr->recty, compress);
 788
 789         IMB_exr_write_channels(exrhandle);
 790         IMB_exr_close(exrhandle);
 791 }
 792
 793 /* callbacks for RE_MultilayerConvert */
 794 static void *ml_addlayer_cb(void *base, char *str)
 795 {
 796         RenderResult *rr= base;
 797         RenderLayer *rl;
 798
 799         rl= MEM_callocN(sizeof(RenderLayer), "new render layer");
 800         BLI_addtail(&rr->layers, rl);
 801
 802         BLI_strncpy(rl->name, str, EXR_LAY_MAXNAME);
 803         return rl;
 804 }
 805 static void ml_addpass_cb(void *base, void *lay, char *str, float *rect, int totchan, char *chan_id)
 806 {
 807         RenderLayer *rl= lay;
 808         RenderPass *rpass= MEM_callocN(sizeof(RenderPass), "loaded pass");
 809         int a;
 810
 811         BLI_addtail(&rl->passes, rpass);
 812         rpass->channels= totchan;
 813
 814         rpass->passtype= passtype_from_name(str);
 815         if(rpass->passtype==0) printf("unknown pass %s\n", str);
 816         rl->passflag |= rpass->passtype;
 817
 818         BLI_strncpy(rpass->name, str, EXR_PASS_MAXNAME);
 819         /* channel id chars */
 820         for(a=0; a<totchan; a++)
 821                 rpass->chan_id[a]= chan_id[a];
 822
 823         rpass->rect= rect;
 824 }
 825
 826 /* from imbuf, if a handle was returned we convert this to render result */
 827 RenderResult *RE_MultilayerConvert(void *exrhandle, int rectx, int recty)
 828 {
 829         RenderResult *rr= MEM_callocN(sizeof(RenderResult), "loaded render result");
 830
 831         rr->rectx= rectx;
 832         rr->recty= recty;
 833
 834         IMB_exr_multilayer_convert(exrhandle, rr, ml_addlayer_cb, ml_addpass_cb);
 835
 836         return rr;
 837 }
 838
 839 /* called in end of render, to add names to passes... for UI only */
 840 static void renderresult_add_names(RenderResult *rr)
 841 {
 842         RenderLayer *rl;
 843         RenderPass *rpass;
 844
 845         for(rl= rr->layers.first; rl; rl= rl->next)
 846                 for(rpass= rl->passes.first; rpass; rpass= rpass->next)
 847                         strcpy(rpass->name, get_pass_name(rpass->passtype, -1));
 848 }
 849
 850
 851 /* only for temp buffer files, makes exact copy of render result */
 852 static void read_render_result(Render *re, int sample)
 853 {
 854         RenderLayer *rl;
 855         RenderPass *rpass;
 856         void *exrhandle= IMB_exr_get_handle();
 857         int rectx, recty;
 858         char str[FILE_MAX];
 859
 860         RE_FreeRenderResult(re->result);
 861         re->result= new_render_result(re, &re->disprect, 0, RR_USEMEM);
 862
 863         render_unique_exr_name(re, str, sample);
 864         if(IMB_exr_begin_read(exrhandle, str, &rectx, &recty)==0) {
 865                 IMB_exr_close(exrhandle);
 866                 printf("cannot read: %s\n", str);
 867                 return;
 868         }
 869
 870         printf("read exr tmp file: %s\n", str);
 871
 872         if(re->result == NULL || rectx!=re->result->rectx || recty!=re->result->recty) {
 873                 printf("error in reading render result\n");
 874         }
 875         else {
 876                 for(rl= re->result->layers.first; rl; rl= rl->next) {
 877
 878                         /* combined */
 879                         if(rl->rectf) {
 880                                 int a, xstride= 4;
 881                                 for(a=0; a<xstride; a++)
 882                                         IMB_exr_set_channel(exrhandle, rl->name, get_pass_name(SCE_PASS_COMBINED, a),
 883                                                                                 xstride, xstride*rectx, rl->rectf+a);
 884                         }
 885
 886                         /* passes are allocated in sync */
 887                         for(rpass= rl->passes.first; rpass; rpass= rpass->next) {
 888                                 int a, xstride= rpass->channels;
 889                                 for(a=0; a<xstride; a++)
 890                                         IMB_exr_set_channel(exrhandle, rl->name, get_pass_name(rpass->passtype, a),
 891                                                                                 xstride, xstride*rectx, rpass->rect+a);
 892                         }
 893
 894                 }
 895                 IMB_exr_read_channels(exrhandle);
 896                 renderresult_add_names(re->result);
 897         }
 898
 899         IMB_exr_close(exrhandle);
 900 }
 901
 902 /* *************************************************** */
 903
 904 Render *RE_GetRender(const char *name)
 905 {
 906         Render *re;
 907
 908         /* search for existing renders */
 909         for(re= RenderList.first; re; re= re->next) {
 910                 if(strncmp(re->name, name, RE_MAXNAME)==0) {
 911                         break;
 912                 }
 913         }
 914         return re;
 915 }
 916
 917 /* if you want to know exactly what has been done */
 918 RenderResult *RE_GetResult(Render *re)
 919 {
 920         if(re)
 921                 return re->result;
 922         return NULL;
 923 }
 924
 925 /* displist.c util.... */
 926 Scene *RE_GetScene(Render *re)
 927 {
 928         if(re)
 929                 return re->scene;
 930         return NULL;
 931 }
 932
 933 RenderLayer *render_get_active_layer(Render *re, RenderResult *rr)
 934 {
 935         RenderLayer *rl= BLI_findlink(&rr->layers, re->r.actlay);
 936
 937         if(rl)
 938                 return rl;
 939         else
 940                 return rr->layers.first;
 941 }
 942
 943
 944 /* fill provided result struct with what's currently active or done */
 945 void RE_GetResultImage(Render *re, RenderResult *rr)
 946 {
 947         memset(rr, 0, sizeof(RenderResult));
 948
 949         if(re && re->result) {
 950                 RenderLayer *rl;
 951
 952                 rr->rectx= re->result->rectx;
 953                 rr->recty= re->result->recty;
 954
 955                 rr->rectf= re->result->rectf;
 956                 rr->rectz= re->result->rectz;
 957                 rr->rect32= re->result->rect32;
 958
 959                 /* active layer */
 960                 rl= render_get_active_layer(re, re->result);
 961
 962                 if(rl) {
 963                         if(rr->rectf==NULL)
 964                                 rr->rectf= rl->rectf;
 965                         if(rr->rectz==NULL)
 966                                 rr->rectz= RE_RenderLayerGetPass(rl, SCE_PASS_Z);
 967                 }
 968         }
 969 }
 970
 971 /* caller is responsible for allocating rect in correct size! */
 972 void RE_ResultGet32(Render *re, unsigned int *rect)
 973 {
 974         RenderResult rres;
 975
 976         RE_GetResultImage(re, &rres);
 977         if(rres.rect32)
 978                 memcpy(rect, rres.rect32, sizeof(int)*rres.rectx*rres.recty);
 979         else if(rres.rectf) {
 980                 float *fp= rres.rectf;
 981                 int tot= rres.rectx*rres.recty;
 982                 char *cp= (char *)rect;
 983
 984                 for(;tot>0; tot--, cp+=4, fp+=4) {
 985                         cp[0] = FTOCHAR(fp[0]);
 986                         cp[1] = FTOCHAR(fp[1]);
 987                         cp[2] = FTOCHAR(fp[2]);
 988                         cp[3] = FTOCHAR(fp[3]);
 989                 }
 990         }
 991         else
 992                 /* else fill with black */
 993                 memset(rect, 0, sizeof(int)*re->rectx*re->recty);
 994 }
 995
 996
 997 RenderStats *RE_GetStats(Render *re)
 998 {
 999         return &re->i;
1000 }
1001
1002 Render *RE_NewRender(const char *name)
1003 {
1004         Render *re;
1005
1006         /* only one render per name exists */
1007         re= RE_GetRender(name);
1008         if(re==NULL) {
1009
1010                 /* new render data struct */
1011                 re= MEM_callocN(sizeof(Render), "new render");
1012                 BLI_addtail(&RenderList, re);
1013                 strncpy(re->name, name, RE_MAXNAME);
1014         }
1015
1016         /* prevent UI to draw old results */
1017         RE_FreeRenderResult(re->result);
1018         re->result= NULL;
1019         re->result_ok= 0;
1020
1021         /* set default empty callbacks */
1022         re->display_init= result_nothing;
1023         re->display_clear= result_nothing;
1024         re->display_draw= result_rcti_nothing;
1025         re->timecursor= int_nothing;
1026         re->test_break= void_nothing;
1027         re->error= print_error;
1028         if(G.background)
1029                 re->stats_draw= stats_background;
1030         else
1031                 re->stats_draw= stats_nothing;
1032         /* clear callback handles */
1033         re->dih= re->dch= re->ddh= re->sdh= re->tch= re->tbh= re->erh= NULL;
1034
1035         /* init some variables */
1036         re->ycor= 1.0f;
1037
1038         return re;
1039 }
1040
1041 /* only call this while you know it will remove the link too */
1042 void RE_FreeRender(Render *re)
1043 {
1044
1045         free_renderdata_tables(re);
1046         free_sample_tables(re);
1047
1048         RE_FreeRenderResult(re->result);
1049         RE_FreeRenderResult(re->pushedresult);
1050
1051         BLI_remlink(&RenderList, re);
1052         MEM_freeN(re);
1053 }
1054
1055 /* exit blender */
1056 void RE_FreeAllRender(void)
1057 {
1058         while(RenderList.first) {
1059                 RE_FreeRender(RenderList.first);
1060         }
1061 }
1062
1063 /* ********* initialize state ******** */
1064
1065
1066 /* what doesn't change during entire render sequence */
1067 /* disprect is optional, if NULL it assumes full window render */
1068 void RE_InitState(Render *re, Render *source, RenderData *rd, int winx, int winy, rcti *disprect)
1069 {
1070         re->ok= TRUE;   /* maybe flag */
1071
1072         re->i.starttime= PIL_check_seconds_timer();
1073         re->r= *rd;             /* hardcopy */
1074
1075         re->winx= winx;
1076         re->winy= winy;
1077         if(disprect) {
1078                 re->disprect= *disprect;
1079                 re->rectx= disprect->xmax-disprect->xmin;
1080                 re->recty= disprect->ymax-disprect->ymin;
1081         }
1082         else {
1083                 re->disprect.xmin= re->disprect.ymin= 0;
1084                 re->disprect.xmax= winx;
1085                 re->disprect.ymax= winy;
1086                 re->rectx= winx;
1087                 re->recty= winy;
1088         }
1089
1090         if(re->rectx < 2 || re->recty < 2 || (BKE_imtype_is_movie(rd->imtype) &&
1091                                                                                   (re->rectx < 16 || re->recty < 16) )) {
1092                 re->error(re->erh, "Image too small");
1093                 re->ok= 0;
1094         }
1095         else {
1096 #ifdef WITH_OPENEXR
1097                 if(re->r.scemode & R_FULL_SAMPLE)
1098                         re->r.scemode |= R_EXR_TILE_FILE;       /* enable automatic */
1099 #else
1100                 /* can't do this without openexr support */
1101                 re->r.scemode &= ~(R_EXR_TILE_FILE|R_FULL_SAMPLE);
1102 #endif
1103
1104                 /* fullsample wants uniform osa levels */
1105                 if(source && (re->r.scemode & R_FULL_SAMPLE)) {
1106                         /* but, if source has no full sample we disable it */
1107                         if((source->r.scemode & R_FULL_SAMPLE)==0)
1108                                 re->r.scemode &= ~R_FULL_SAMPLE;
1109                         else
1110                                 re->r.osa= re->osa= source->osa;
1111                 }
1112                 else {
1113                         /* check state variables, osa? */
1114                         if(re->r.mode & (R_OSA)) {
1115                                 re->osa= re->r.osa;
1116                                 if(re->osa>16) re->osa= 16;
1117                         }
1118                         else re->osa= 0;
1119                 }
1120
1121                 /* always call, checks for gamma, gamma tables and jitter too */
1122                 make_sample_tables(re);
1123
1124                 /* if preview render, we try to keep old result */
1125                 if(re->r.scemode & R_PREVIEWBUTS) {
1126                         if(re->result && re->result->rectx==re->rectx && re->result->recty==re->recty);
1127                         else {
1128                                 RE_FreeRenderResult(re->result);
1129                                 re->result= NULL;
1130                         }
1131                 }
1132                 else {
1133
1134                         /* make empty render result, so display callbacks can initialize */
1135                         RE_FreeRenderResult(re->result);
1136                         re->result= MEM_callocN(sizeof(RenderResult), "new render result");
1137                         re->result->rectx= re->rectx;
1138                         re->result->recty= re->recty;
1139                 }
1140
1141                 /* we clip faces with a minimum of 2 pixel boundary outside of image border. see zbuf.c */
1142                 re->clipcrop= 1.0f + 2.0f/(float)(re->winx>re->winy?re->winy:re->winx);
1143
1144                 RE_init_threadcount(re);
1145         }
1146 }
1147
1148 /* part of external api, not called for regular render pipeline */
1149 void RE_SetDispRect (struct Render *re, rcti *disprect)
1150 {
1151         re->disprect= *disprect;
1152         re->rectx= disprect->xmax-disprect->xmin;
1153         re->recty= disprect->ymax-disprect->ymin;
1154
1155         /* initialize render result */
1156         RE_FreeRenderResult(re->result);
1157         re->result= new_render_result(re, &re->disprect, 0, RR_USEMEM);
1158 }
1159
1160 void RE_SetWindow(Render *re, rctf *viewplane, float clipsta, float clipend)
1161 {
1162         /* re->ok flag? */
1163
1164         re->viewplane= *viewplane;
1165         re->clipsta= clipsta;
1166         re->clipend= clipend;
1167         re->r.mode &= ~R_ORTHO;
1168
1169         i_window(re->viewplane.xmin, re->viewplane.xmax, re->viewplane.ymin, re->viewplane.ymax, re->clipsta, re->clipend, re->winmat);
1170
1171 }
1172
1173 void RE_SetOrtho(Render *re, rctf *viewplane, float clipsta, float clipend)
1174 {
1175         /* re->ok flag? */
1176
1177         re->viewplane= *viewplane;
1178         re->clipsta= clipsta;
1179         re->clipend= clipend;
1180         re->r.mode |= R_ORTHO;
1181
1182         i_ortho(re->viewplane.xmin, re->viewplane.xmax, re->viewplane.ymin, re->viewplane.ymax, re->clipsta, re->clipend, re->winmat);
1183 }
1184
1185 void RE_SetView(Render *re, float mat[][4])
1186 {
1187         /* re->ok flag? */
1188         Mat4CpyMat4(re->viewmat, mat);
1189         Mat4Invert(re->viewinv, re->viewmat);
1190 }
1191
1192 /* image and movie output has to move to either imbuf or kernel */
1193 void RE_display_init_cb(Render *re, void *handle, void (*f)(void *handle, RenderResult *rr))
1194 {
1195         re->display_init= f;
1196         re->dih= handle;
1197 }
1198 void RE_display_clear_cb(Render *re, void *handle, void (*f)(void *handle, RenderResult *rr))
1199 {
1200         re->display_clear= f;
1201         re->dch= handle;
1202 }
1203 void RE_display_draw_cb(Render *re, void *handle, void (*f)(void *handle, RenderResult *rr, volatile rcti *rect))
1204 {
1205         re->display_draw= f;
1206         re->ddh= handle;
1207 }
1208 void RE_stats_draw_cb(Render *re, void *handle, void (*f)(void *handle, RenderStats *rs))
1209 {
1210         re->stats_draw= f;
1211         re->sdh= handle;
1212 }
1213 void RE_timecursor_cb(Render *re, void *handle, void (*f)(void *handle, int))
1214 {
1215         re->timecursor= f;
1216         re->tch= handle;
1217 }
1218
1219 void RE_test_break_cb(Render *re, void *handle, int (*f)(void *handle))
1220 {
1221         re->test_break= f;
1222         re->tbh= handle;
1223 }
1224 void RE_error_cb(Render *re, void *handle, void (*f)(void *handle, char *str))
1225 {
1226         re->error= f;
1227         re->erh= handle;
1228 }
1229
1230
1231 /* ********* add object data (later) ******** */
1232
1233 /* object is considered fully prepared on correct time etc */
1234 /* includes lights */
1235 void RE_AddObject(Render *re, Object *ob)
1236 {
1237
1238 }
1239
1240 /* *************************************** */
1241
1242 static int render_display_draw_enabled(Render *re)
1243 {
1244         /* don't show preprocess for previewrender sss */
1245         if(re->sss_points)
1246                 return !(re->r.scemode & R_PREVIEWBUTS);
1247         else
1248                 return 1;
1249 }
1250
1251 /* allocate osa new results for samples */
1252 static RenderResult *new_full_sample_buffers(Render *re, ListBase *lb, rcti *partrct, int crop)
1253 {
1254         int a;
1255
1256         if(re->osa==0)
1257                 return new_render_result(re, partrct, crop, RR_USEMEM);
1258
1259         for(a=0; a<re->osa; a++) {
1260                 RenderResult *rr= new_render_result(re, partrct, crop, RR_USEMEM);
1261                 BLI_addtail(lb, rr);
1262                 rr->sample_nr= a;
1263         }
1264
1265         return lb->first;
1266 }
1267
1268
1269 /* the main thread call, renders an entire part */
1270 static void *do_part_thread(void *pa_v)
1271 {
1272         RenderPart *pa= pa_v;
1273
1274         /* need to return nicely all parts on esc */
1275         if(R.test_break(R.tbh)==0) {
1276
1277                 if(!R.sss_points && (R.r.scemode & R_FULL_SAMPLE))
1278                         pa->result= new_full_sample_buffers(&R, &pa->fullresult, &pa->disprect, pa->crop);
1279                 else
1280                         pa->result= new_render_result(&R, &pa->disprect, pa->crop, RR_USEMEM);
1281
1282                 if(R.sss_points)
1283                         zbufshade_sss_tile(pa);
1284                 else if(R.osa)
1285                         zbufshadeDA_tile(pa);
1286                 else
1287                         zbufshade_tile(pa);
1288
1289                 /* merge too on break! */
1290                 if(R.result->exrhandle) {
1291                         RenderResult *rr, *rrpart;
1292
1293                         for(rr= R.result, rrpart= pa->result; rr && rrpart; rr= rr->next, rrpart= rrpart->next)
1294                                 save_render_result_tile(rr, rrpart);
1295
1296                 }
1297                 else if(render_display_draw_enabled(&R)) {
1298                         /* on break, don't merge in result for preview renders, looks nicer */
1299                         if(R.test_break(R.tbh) && (R.r.scemode & R_PREVIEWBUTS));
1300                         else merge_render_result(R.result, pa->result);
1301                 }
1302         }
1303
1304         pa->ready= 1;
1305
1306         return NULL;
1307 }
1308
1309 /* returns with render result filled, not threaded, used for preview now only */
1310 static void render_tile_processor(Render *re, int firsttile)
1311 {
1312         RenderPart *pa;
1313
1314         if(re->test_break(re->tbh))
1315                 return;
1316
1317         /* hrmf... exception, this is used for preview render, re-entrant, so render result has to be re-used */
1318         if(re->result==NULL || re->result->layers.first==NULL) {
1319                 if(re->result) RE_FreeRenderResult(re->result);
1320                 re->result= new_render_result(re, &re->disprect, 0, RR_USEMEM);
1321         }
1322
1323         re->stats_draw(re->sdh, &re->i);
1324
1325         if(re->result==NULL)
1326                 return;
1327
1328         initparts(re);
1329
1330         /* assuming no new data gets added to dbase... */
1331         R= *re;
1332
1333         for(pa= re->parts.first; pa; pa= pa->next) {
1334                 if(firsttile) {
1335                         re->i.partsdone++;      /* was reset in initparts */
1336                         firsttile--;
1337                 }
1338                 else {
1339                         do_part_thread(pa);
1340
1341                         if(pa->result) {
1342                                 if(!re->test_break(re->tbh)) {
1343                                         if(render_display_draw_enabled(re))
1344                                                 re->display_draw(re->ddh, pa->result, NULL);
1345
1346                                         re->i.partsdone++;
1347                                         re->stats_draw(re->sdh, &re->i);
1348                                 }
1349                                 RE_FreeRenderResult(pa->result);
1350                                 pa->result= NULL;
1351                         }
1352                         if(re->test_break(re->tbh))
1353                                 break;
1354                 }
1355         }
1356
1357         freeparts(re);
1358 }
1359
1360 /* calculus for how much 1 pixel rendered should rotate the 3d geometry */
1361 /* is not that simple, needs to be corrected for errors of larger viewplane sizes */
1362 /* called in initrender.c, initparts() and convertblender.c, for speedvectors */
1363 float panorama_pixel_rot(Render *re)
1364 {
1365         float psize, phi, xfac;
1366
1367         /* size of 1 pixel mapped to viewplane coords */
1368         psize= (re->viewplane.xmax-re->viewplane.xmin)/(float)re->winx;
1369         /* angle of a pixel */
1370         phi= atan(psize/re->clipsta);
1371
1372         /* correction factor for viewplane shifting, first calculate how much the viewplane angle is */
1373         xfac= ((re->viewplane.xmax-re->viewplane.xmin))/(float)re->xparts;
1374         xfac= atan(0.5f*xfac/re->clipsta);
1375         /* and how much the same viewplane angle is wrapped */
1376         psize= 0.5f*phi*((float)re->partx);
1377
1378         /* the ratio applied to final per-pixel angle */
1379         phi*= xfac/psize;
1380
1381         return phi;
1382 }
1383
1384 /* call when all parts stopped rendering, to find the next Y slice */
1385 /* if slice found, it rotates the dbase */
1386 static RenderPart *find_next_pano_slice(Render *re, int *minx, rctf *viewplane)
1387 {
1388         RenderPart *pa, *best= NULL;
1389
1390         *minx= re->winx;
1391
1392         /* most left part of the non-rendering parts */
1393         for(pa= re->parts.first; pa; pa= pa->next) {
1394                 if(pa->ready==0 && pa->nr==0) {
1395                         if(pa->disprect.xmin < *minx) {
1396                                 best= pa;
1397                                 *minx= pa->disprect.xmin;
1398                         }
1399                 }
1400         }
1401
1402         if(best) {
1403                 float phi= panorama_pixel_rot(re);
1404
1405                 R.panodxp= (re->winx - (best->disprect.xmin + best->disprect.xmax) )/2;
1406                 R.panodxv= ((viewplane->xmax-viewplane->xmin)*R.panodxp)/(float)R.winx;
1407
1408                 /* shift viewplane */
1409                 R.viewplane.xmin = viewplane->xmin + R.panodxv;
1410                 R.viewplane.xmax = viewplane->xmax + R.panodxv;
1411                 RE_SetWindow(re, &R.viewplane, R.clipsta, R.clipend);
1412                 Mat4CpyMat4(R.winmat, re->winmat);
1413
1414                 /* rotate database according to part coordinates */
1415                 project_renderdata(re, projectverto, 1, -R.panodxp*phi, 1);
1416                 R.panosi= sin(R.panodxp*phi);
1417                 R.panoco= cos(R.panodxp*phi);
1418         }
1419         return best;
1420 }
1421
1422 static RenderPart *find_next_part(Render *re, int minx)
1423 {
1424         RenderPart *pa, *best= NULL;
1425         int centx=re->winx/2, centy=re->winy/2, tot=1;
1426         int mindist, distx, disty;
1427
1428         /* find center of rendered parts, image center counts for 1 too */
1429         for(pa= re->parts.first; pa; pa= pa->next) {
1430                 if(pa->ready) {
1431                         centx+= (pa->disprect.xmin+pa->disprect.xmax)/2;
1432                         centy+= (pa->disprect.ymin+pa->disprect.ymax)/2;
1433                         tot++;
1434                 }
1435         }
1436         centx/=tot;
1437         centy/=tot;
1438
1439         /* closest of the non-rendering parts */
1440         mindist= re->winx*re->winy;
1441         for(pa= re->parts.first; pa; pa= pa->next) {
1442                 if(pa->ready==0 && pa->nr==0) {
1443                         distx= centx - (pa->disprect.xmin+pa->disprect.xmax)/2;
1444                         disty= centy - (pa->disprect.ymin+pa->disprect.ymax)/2;
1445                         distx= (int)sqrt(distx*distx + disty*disty);
1446                         if(distx<mindist) {
1447                                 if(re->r.mode & R_PANORAMA) {
1448                                         if(pa->disprect.xmin==minx) {
1449                                                 best= pa;
1450                                                 mindist= distx;
1451                                         }
1452                                 }
1453                                 else {
1454                                         best= pa;
1455                                         mindist= distx;
1456                                 }
1457                         }
1458                 }
1459         }
1460         return best;
1461 }
1462
1463 static void print_part_stats(Render *re, RenderPart *pa)
1464 {
1465         char str[64];
1466
1467         sprintf(str, "Part %d-%d", pa->nr, re->i.totpart);
1468         re->i.infostr= str;
1469         re->stats_draw(re->sdh, &re->i);
1470         re->i.infostr= NULL;
1471 }
1472
1473 /* make osa new results for samples */
1474 static RenderResult *new_full_sample_buffers_exr(Render *re)
1475 {
1476         int a;
1477
1478         for(a=0; a<re->osa; a++) {
1479                 RenderResult *rr= new_render_result(re, &re->disprect, 0, 1);
1480                 BLI_addtail(&re->fullresult, rr);
1481                 rr->sample_nr= a;
1482         }
1483
1484         return re->fullresult.first;
1485 }
1486
1487 static void threaded_tile_processor(Render *re)
1488 {
1489         ListBase threads;
1490         RenderPart *pa, *nextpa;
1491         rctf viewplane= re->viewplane;
1492         int rendering=1, counter= 1, drawtimer=0, hasdrawn, minx=0;
1493
1494         /* first step; free the entire render result, make new, and/or prepare exr buffer saving */
1495         if(re->result==NULL || !(re->r.scemode & R_PREVIEWBUTS)) {
1496                 RE_FreeRenderResult(re->result);
1497
1498                 if(re->sss_points)
1499                         re->result= new_render_result(re, &re->disprect, 0, 0);
1500                 else if(re->r.scemode & R_FULL_SAMPLE)
1501                         re->result= new_full_sample_buffers_exr(re);
1502                 else
1503                         re->result= new_render_result(re, &re->disprect, 0, re->r.scemode & (R_EXR_TILE_FILE|R_FULL_SAMPLE));
1504         }
1505
1506         if(re->result==NULL)
1507                 return;
1508
1509         /* warning; no return here without closing exr file */
1510
1511         initparts(re);
1512
1513         if(re->result->exrhandle) {
1514                 RenderResult *rr;
1515                 char str[FILE_MAX];
1516
1517                 for(rr= re->result; rr; rr= rr->next) {
1518                         render_unique_exr_name(re, str, rr->sample_nr);
1519
1520                         printf("write exr tmp file, %dx%d, %s\n", rr->rectx, rr->recty, str);
1521                         IMB_exrtile_begin_write(rr->exrhandle, str, 0, rr->rectx, rr->recty, re->partx, re->party);
1522                 }
1523         }
1524
1525         BLI_init_threads(&threads, do_part_thread, re->r.threads);
1526
1527         /* assuming no new data gets added to dbase... */
1528         R= *re;
1529
1530         /* set threadsafe break */
1531         R.test_break= thread_break;
1532
1533         /* timer loop demands to sleep when no parts are left, so we enter loop with a part */
1534         if(re->r.mode & R_PANORAMA)
1535                 nextpa= find_next_pano_slice(re, &minx, &viewplane);
1536         else
1537                 nextpa= find_next_part(re, 0);
1538
1539         while(rendering) {
1540
1541                 if(re->test_break(re->tbh))
1542                         PIL_sleep_ms(50);
1543                 else if(nextpa && BLI_available_threads(&threads)) {
1544                         drawtimer= 0;
1545                         nextpa->nr= counter++;  /* for nicest part, and for stats */
1546                         nextpa->thread= BLI_available_thread_index(&threads);   /* sample index */
1547                         BLI_insert_thread(&threads, nextpa);
1548
1549                         nextpa= find_next_part(re, minx);
1550                 }
1551                 else if(re->r.mode & R_PANORAMA) {
1552                         if(nextpa==NULL && BLI_available_threads(&threads)==re->r.threads)
1553                                 nextpa= find_next_pano_slice(re, &minx, &viewplane);
1554                         else {
1555                                 PIL_sleep_ms(50);
1556                                 drawtimer++;
1557                         }
1558                 }
1559                 else {
1560                         PIL_sleep_ms(50);
1561                         drawtimer++;
1562                 }
1563
1564                 /* check for ready ones to display, and if we need to continue */
1565                 rendering= 0;
1566                 hasdrawn= 0;
1567                 for(pa= re->parts.first; pa; pa= pa->next) {
1568                         if(pa->ready) {
1569
1570                                 BLI_remove_thread(&threads, pa);
1571
1572                                 if(pa->result) {
1573                                         if(render_display_draw_enabled(re))
1574                                                 re->display_draw(re->ddh, pa->result, NULL);
1575                                         print_part_stats(re, pa);
1576
1577                                         free_render_result(&pa->fullresult, pa->result);
1578                                         pa->result= NULL;
1579                                         re->i.partsdone++;
1580                                         hasdrawn= 1;
1581                                 }
1582                         }
1583                         else {
1584                                 rendering= 1;
1585                                 if(pa->nr && pa->result && drawtimer>20) {
1586                                         if(render_display_draw_enabled(re))
1587                                                 re->display_draw(re->ddh, pa->result, &pa->result->renrect);
1588                                         hasdrawn= 1;
1589                                 }
1590                         }
1591                 }
1592                 if(hasdrawn)
1593                         drawtimer= 0;
1594
1595                 /* on break, wait for all slots to get freed */
1596                 if( (g_break=re->test_break(re->tbh)) && BLI_available_threads(&threads)==re->r.threads)
1597                         rendering= 0;
1598
1599         }
1600
1601         if(re->result->exrhandle) {
1602                 RenderResult *rr;
1603
1604                 save_empty_result_tiles(re);
1605
1606                 for(rr= re->result; rr; rr= rr->next) {
1607                         IMB_exr_close(rr->exrhandle);
1608                         rr->exrhandle= NULL;
1609                 }
1610
1611                 free_render_result(&re->fullresult, re->result);
1612                 re->result= NULL;
1613
1614                 read_render_result(re, 0);
1615         }
1616
1617         /* unset threadsafety */
1618         g_break= 0;
1619
1620         BLI_end_threads(&threads);
1621         freeparts(re);
1622         re->viewplane= viewplane; /* restore viewplane, modified by pano render */
1623 }
1624
1625 /* currently only called by preview renders and envmap */
1626 void RE_TileProcessor(Render *re, int firsttile, int threaded)
1627 {
1628         /* the partsdone variable has to be reset to firsttile, to survive esc before it was set to zero */
1629
1630         re->i.partsdone= firsttile;
1631
1632         if(!re->sss_points)
1633                 re->i.starttime= PIL_check_seconds_timer();
1634
1635         if(threaded)
1636                 threaded_tile_processor(re);
1637         else
1638                 render_tile_processor(re, firsttile);
1639
1640         if(!re->sss_points)
1641                 re->i.lastframetime= PIL_check_seconds_timer()- re->i.starttime;
1642         re->stats_draw(re->sdh, &re->i);
1643 }
1644
1645
1646 /* ************  This part uses API, for rendering Blender scenes ********** */
1647
1648 static void do_render_3d(Render *re)
1649 {
1650
1651 //      re->cfra= cfra; /* <- unused! */
1652
1653         /* make render verts/faces/halos/lamps */
1654         if(render_scene_needs_vector(re))
1655                 RE_Database_FromScene_Vectors(re, re->scene);
1656         else
1657            RE_Database_FromScene(re, re->scene, 1);
1658
1659         threaded_tile_processor(re);
1660
1661         /* do left-over 3d post effects (flares) */
1662         if(re->flag & R_HALO)
1663                 if(!re->test_break(re->tbh))
1664                         add_halo_flare(re);
1665
1666
1667         /* free all render verts etc */
1668         RE_Database_Free(re);
1669 }
1670
1671 /* called by blur loop, accumulate RGBA key alpha */
1672 static void addblur_rect_key(RenderResult *rr, float *rectf, float *rectf1, float blurfac)
1673 {
1674         float mfac= 1.0f - blurfac;
1675         int a, b, stride= 4*rr->rectx;
1676         int len= stride*sizeof(float);
1677
1678         for(a=0; a<rr->recty; a++) {
1679                 if(blurfac==1.0f) {
1680                         memcpy(rectf, rectf1, len);
1681                 }
1682                 else {
1683                         float *rf= rectf, *rf1= rectf1;
1684
1685                         for( b= rr->rectx; b>0; b--, rf+=4, rf1+=4) {
1686                                 if(rf1[3]<0.01f)
1687                                         rf[3]= mfac*rf[3];
1688                                 else if(rf[3]<0.01f) {
1689                                         rf[0]= rf1[0];
1690                                         rf[1]= rf1[1];
1691                                         rf[2]= rf1[2];
1692                                         rf[3]= blurfac*rf1[3];
1693                                 }
1694                                 else {
1695                                         rf[0]= mfac*rf[0] + blurfac*rf1[0];
1696                                         rf[1]= mfac*rf[1] + blurfac*rf1[1];
1697                                         rf[2]= mfac*rf[2] + blurfac*rf1[2];
1698                                         rf[3]= mfac*rf[3] + blurfac*rf1[3];
1699                                 }
1700                         }
1701                 }
1702                 rectf+= stride;
1703                 rectf1+= stride;
1704         }
1705 }
1706
1707 /* called by blur loop, accumulate renderlayers */
1708 static void addblur_rect(RenderResult *rr, float *rectf, float *rectf1, float blurfac, int channels)
1709 {
1710         float mfac= 1.0f - blurfac;
1711         int a, b, stride= channels*rr->rectx;
1712         int len= stride*sizeof(float);
1713
1714         for(a=0; a<rr->recty; a++) {
1715                 if(blurfac==1.0f) {
1716                         memcpy(rectf, rectf1, len);
1717                 }
1718                 else {
1719                         float *rf= rectf, *rf1= rectf1;
1720
1721                         for( b= rr->rectx*channels; b>0; b--, rf++, rf1++) {
1722                                 rf[0]= mfac*rf[0] + blurfac*rf1[0];
1723                         }
1724                 }
1725                 rectf+= stride;
1726                 rectf1+= stride;
1727         }
1728 }
1729
1730
1731 /* called by blur loop, accumulate renderlayers */
1732 static void merge_renderresult_blur(RenderResult *rr, RenderResult *brr, float blurfac, int key_alpha)
1733 {
1734         RenderLayer *rl, *rl1;
1735         RenderPass *rpass, *rpass1;
1736
1737         rl1= brr->layers.first;
1738         for(rl= rr->layers.first; rl && rl1; rl= rl->next, rl1= rl1->next) {
1739
1740                 /* combined */
1741                 if(rl->rectf && rl1->rectf) {
1742                         if(key_alpha)
1743                                 addblur_rect_key(rr, rl->rectf, rl1->rectf, blurfac);
1744                         else
1745                                 addblur_rect(rr, rl->rectf, rl1->rectf, blurfac, 4);
1746                 }
1747
1748                 /* passes are allocated in sync */
1749                 rpass1= rl1->passes.first;
1750                 for(rpass= rl->passes.first; rpass && rpass1; rpass= rpass->next, rpass1= rpass1->next) {
1751                         addblur_rect(rr, rpass->rect, rpass1->rect, blurfac, rpass->channels);
1752                 }
1753         }
1754 }
1755
1756 /* main blur loop, can be called by fields too */
1757 static void do_render_blur_3d(Render *re)
1758 {
1759         RenderResult *rres;
1760         float blurfac;
1761         int blur= re->r.osa;
1762
1763         /* create accumulation render result */
1764         rres= new_render_result(re, &re->disprect, 0, RR_USEMEM);
1765
1766         /* do the blur steps */
1767         while(blur--) {
1768                 set_mblur_offs( re->r.blurfac*((float)(re->r.osa-blur))/(float)re->r.osa );
1769
1770                 re->i.curblur= re->r.osa-blur;  /* stats */
1771
1772                 do_render_3d(re);
1773
1774                 blurfac= 1.0f/(float)(re->r.osa-blur);
1775
1776                 merge_renderresult_blur(rres, re->result, blurfac, re->r.alphamode & R_ALPHAKEY);
1777                 if(re->test_break(re->tbh)) break;
1778         }
1779
1780         /* swap results */
1781         RE_FreeRenderResult(re->result);
1782         re->result= rres;
1783
1784         set_mblur_offs(0.0f);
1785         re->i.curblur= 0;       /* stats */
1786
1787         /* weak... the display callback wants an active renderlayer pointer... */
1788         re->result->renlay= render_get_active_layer(re, re->result);
1789         re->display_draw(re->ddh, re->result, NULL);
1790 }
1791
1792
1793 /* function assumes rectf1 and rectf2 to be half size of rectf */
1794 static void interleave_rect(RenderResult *rr, float *rectf, float *rectf1, float *rectf2, int channels)
1795 {
1796         int a, stride= channels*rr->rectx;
1797         int len= stride*sizeof(float);
1798
1799         for(a=0; a<rr->recty; a+=2) {
1800                 memcpy(rectf, rectf1, len);
1801                 rectf+= stride;
1802                 rectf1+= stride;
1803                 memcpy(rectf, rectf2, len);
1804                 rectf+= stride;
1805                 rectf2+= stride;
1806         }
1807 }
1808
1809 /* merge render results of 2 fields */
1810 static void merge_renderresult_fields(RenderResult *rr, RenderResult *rr1, RenderResult *rr2)
1811 {
1812         RenderLayer *rl, *rl1, *rl2;
1813         RenderPass *rpass, *rpass1, *rpass2;
1814
1815         rl1= rr1->layers.first;
1816         rl2= rr2->layers.first;
1817         for(rl= rr->layers.first; rl && rl1 && rl2; rl= rl->next, rl1= rl1->next, rl2= rl2->next) {
1818
1819                 /* combined */
1820                 if(rl->rectf && rl1->rectf && rl2->rectf)
1821                         interleave_rect(rr, rl->rectf, rl1->rectf, rl2->rectf, 4);
1822
1823                 /* passes are allocated in sync */
1824                 rpass1= rl1->passes.first;
1825                 rpass2= rl2->passes.first;
1826                 for(rpass= rl->passes.first; rpass && rpass1 && rpass2; rpass= rpass->next, rpass1= rpass1->next, rpass2= rpass2->next) {
1827                         interleave_rect(rr, rpass->rect, rpass1->rect, rpass2->rect, rpass->channels);
1828                 }
1829         }
1830 }
1831
1832
1833 /* interleaves 2 frames */
1834 static void do_render_fields_3d(Render *re)
1835 {
1836         RenderResult *rr1, *rr2= NULL;
1837
1838         /* no render result was created, we can safely halve render y */
1839         re->winy /= 2;
1840         re->recty /= 2;
1841         re->disprect.ymin /= 2;
1842         re->disprect.ymax /= 2;
1843
1844         re->i.curfield= 1;      /* stats */
1845
1846         /* first field, we have to call camera routine for correct aspect and subpixel offset */
1847         RE_SetCamera(re, re->scene->camera);
1848         if(re->r.mode & R_MBLUR)
1849                 do_render_blur_3d(re);
1850         else
1851                 do_render_3d(re);
1852         rr1= re->result;
1853         re->result= NULL;
1854
1855         /* second field */
1856         if(!re->test_break(re->tbh)) {
1857
1858                 re->i.curfield= 2;      /* stats */
1859
1860                 re->flag |= R_SEC_FIELD;
1861                 if((re->r.mode & R_FIELDSTILL)==0)
1862                         set_field_offs(0.5f);
1863                 RE_SetCamera(re, re->scene->camera);
1864                 if(re->r.mode & R_MBLUR)
1865                         do_render_blur_3d(re);
1866                 else
1867                         do_render_3d(re);
1868                 re->flag &= ~R_SEC_FIELD;
1869                 set_field_offs(0.0f);
1870
1871                 rr2= re->result;
1872         }
1873
1874         /* allocate original height new buffers */
1875         re->winy *= 2;
1876         re->recty *= 2;
1877         re->disprect.ymin *= 2;
1878         re->disprect.ymax *= 2;
1879         re->result= new_render_result(re, &re->disprect, 0, RR_USEMEM);
1880
1881         if(rr2) {
1882                 if(re->r.mode & R_ODDFIELD)
1883                         merge_renderresult_fields(re->result, rr2, rr1);
1884                 else
1885                         merge_renderresult_fields(re->result, rr1, rr2);
1886
1887                 RE_FreeRenderResult(rr2);
1888         }
1889         RE_FreeRenderResult(rr1);
1890
1891         re->i.curfield= 0;      /* stats */
1892
1893         /* weak... the display callback wants an active renderlayer pointer... */
1894         re->result->renlay= render_get_active_layer(re, re->result);
1895         re->display_draw(re->ddh, re->result, NULL);
1896 }
1897
1898 static void load_backbuffer(Render *re)
1899 {
1900         if(re->r.alphamode == R_ADDSKY) {
1901                 ImBuf *ibuf;
1902                 char name[256];
1903
1904                 strcpy(name, re->r.backbuf);
1905                 BLI_convertstringcode(name, G.sce);
1906                 BLI_convertstringframe(name, re->r.cfra);
1907
1908                 if(re->backbuf) {
1909                         re->backbuf->id.us--;
1910                         if(re->backbuf->id.us<1)
1911                                 BKE_image_signal(re->backbuf, NULL, IMA_SIGNAL_RELOAD);
1912                 }
1913
1914                 re->backbuf= BKE_add_image_file(name, re->r.cfra);
1915                 ibuf= BKE_image_get_ibuf(re->backbuf, NULL);
1916                 if(ibuf==NULL) {
1917                         // error() doesnt work with render window open
1918                         //error("No backbuf there!");
1919                         printf("Error: No backbuf %s\n", name);
1920                 }
1921                 else {
1922                         if (re->r.mode & R_FIELDS)
1923                                 image_de_interlace(re->backbuf, re->r.mode & R_ODDFIELD);
1924                 }
1925         }
1926 }
1927
1928 /* main render routine, no compositing */
1929 static void do_render_fields_blur_3d(Render *re)
1930 {
1931         /* also check for camera here */
1932         if(re->scene->camera==NULL) {
1933                 printf("ERROR: Cannot render, no camera\n");
1934                 G.afbreek= 1;
1935                 return;
1936         }
1937
1938         /* backbuffer initialize */
1939         if(re->r.bufflag & 1)
1940                 load_backbuffer(re);
1941
1942         /* now use renderdata and camera to set viewplane */
1943         RE_SetCamera(re, re->scene->camera);
1944
1945         if(re->r.mode & R_FIELDS)
1946                 do_render_fields_3d(re);
1947         else if(re->r.mode & R_MBLUR)
1948                 do_render_blur_3d(re);
1949         else
1950                 do_render_3d(re);
1951
1952         /* when border render, check if we have to insert it in black */
1953         if(re->result) {
1954                 if(re->r.mode & R_BORDER) {
1955                         if((re->r.mode & R_CROP)==0) {
1956                                 RenderResult *rres;
1957
1958                                 /* sub-rect for merge call later on */
1959                                 re->result->tilerect= re->disprect;
1960
1961                                 /* this copying sequence could become function? */
1962                                 /* weak is: it chances disprect from border */
1963                                 re->disprect.xmin= re->disprect.ymin= 0;
1964                                 re->disprect.xmax= re->winx;
1965                                 re->disprect.ymax= re->winy;
1966                                 re->rectx= re->winx;
1967                                 re->recty= re->winy;
1968
1969                                 rres= new_render_result(re, &re->disprect, 0, RR_USEMEM);
1970
1971                                 merge_render_result(rres, re->result);
1972                                 RE_FreeRenderResult(re->result);
1973                                 re->result= rres;
1974
1975                                 /* weak... the display callback wants an active renderlayer pointer... */
1976                                 re->result->renlay= render_get_active_layer(re, re->result);
1977
1978                                 re->display_init(re->dih, re->result);
1979                                 re->display_draw(re->ddh, re->result, NULL);
1980                         }
1981                 }
1982         }
1983 }
1984
1985
1986 /* within context of current Render *re, render another scene.
1987    it uses current render image size and disprect, but doesn't execute composite
1988 */
1989 static void render_scene(Render *re, Scene *sce, int cfra)
1990 {
1991         Render *resc= RE_NewRender(sce->id.name);
1992         int winx= re->winx, winy= re->winy;
1993
1994         sce->r.cfra= cfra;
1995
1996         /* exception: scene uses own size (unfinished code) */
1997         if(0) {
1998                 winx= (sce->r.size*sce->r.xsch)/100;
1999                 winy= (sce->r.size*sce->r.ysch)/100;
2000         }
2001
2002         /* initial setup */
2003         RE_InitState(resc, re, &sce->r, winx, winy, &re->disprect);
2004
2005         /* still unsure entity this... */
2006         resc->scene= sce;
2007
2008         /* ensure scene has depsgraph, base flags etc OK */
2009         set_scene_bg(sce);
2010
2011         /* copy callbacks */
2012         resc->display_draw= re->display_draw;
2013         resc->ddh= re->ddh;
2014         resc->test_break= re->test_break;
2015         resc->tbh= re->tbh;
2016         resc->stats_draw= re->stats_draw;
2017         resc->sdh= re->sdh;
2018
2019         do_render_fields_blur_3d(resc);
2020 }
2021
2022 static void tag_scenes_for_render(Render *re)
2023 {
2024         bNode *node;
2025         Scene *sce;
2026
2027         for(sce= G.main->scene.first; sce; sce= sce->id.next)
2028                 sce->id.flag &= ~LIB_DOIT;
2029
2030         re->scene->id.flag |= LIB_DOIT;
2031
2032         if(re->scene->nodetree==NULL) return;
2033
2034         /* check for render-layers nodes using other scenes, we tag them LIB_DOIT */
2035         for(node= re->scene->nodetree->nodes.first; node; node= node->next) {
2036                 if(node->type==CMP_NODE_R_LAYERS) {
2037                         if(node->id) {
2038                                 if(node->id != (ID *)re->scene)
2039                                         node->id->flag |= LIB_DOIT;
2040                         }
2041                 }
2042         }
2043
2044 }
2045
2046 static void ntree_render_scenes(Render *re)
2047 {
2048         bNode *node;
2049         int cfra= re->scene->r.cfra;
2050
2051         if(re->scene->nodetree==NULL) return;
2052
2053         tag_scenes_for_render(re);
2054
2055         /* now foreach render-result node tagged we do a full render */
2056         /* results are stored in a way compisitor will find it */
2057         for(node= re->scene->nodetree->nodes.first; node; node= node->next) {
2058                 if(node->type==CMP_NODE_R_LAYERS) {
2059                         if(node->id && node->id != (ID *)re->scene) {
2060                                 if(node->id->flag & LIB_DOIT) {
2061                                         render_scene(re, (Scene *)node->id, cfra);
2062                                         node->id->flag &= ~LIB_DOIT;
2063                                 }
2064                         }
2065                 }
2066         }
2067 }
2068
2069 /* helper call to detect if theres a composite with render-result node */
2070 static int composite_needs_render(Scene *sce)
2071 {
2072         bNodeTree *ntree= sce->nodetree;
2073         bNode *node;
2074
2075         if(ntree==NULL) return 1;
2076         if(sce->use_nodes==0) return 1;
2077         if((sce->r.scemode & R_DOCOMP)==0) return 1;
2078
2079         for(node= ntree->nodes.first; node; node= node->next) {
2080                 if(node->type==CMP_NODE_R_LAYERS)
2081                         if(node->id==NULL || node->id==&sce->id)
2082                                 return 1;
2083         }
2084         return 0;
2085 }
2086
2087 /* bad call... need to think over proper method still */
2088 static void render_composit_stats(void *unused, char *str)
2089 {
2090         R.i.infostr= str;
2091         R.stats_draw(R.sdh, &R.i);
2092         R.i.infostr= NULL;
2093 }
2094
2095
2096 /* reads all buffers, calls optional composite, merges in first result->rectf */
2097 static void do_merge_fullsample(Render *re, bNodeTree *ntree)
2098 {
2099         float *rectf, filt[3][3];
2100         int sample;
2101
2102         /* filtmask needs it */
2103         R= *re;
2104
2105         /* we accumulate in here */
2106         rectf= MEM_mapallocN(re->rectx*re->recty*sizeof(float)*4, "fullsample rgba");
2107
2108         for(sample=0; sample<re->r.osa; sample++) {
2109                 RenderResult rres;
2110                 int x, y, mask;
2111
2112                 /* set all involved renders on the samplebuffers (first was done by render itself) */
2113                 /* also function below assumes this */
2114                 if(sample) {
2115                         Render *re1;
2116
2117                         tag_scenes_for_render(re);
2118                         for(re1= RenderList.first; re1; re1= re1->next) {
2119                                 if(re1->scene->id.flag & LIB_DOIT)
2120                                         if(re1->r.scemode & R_FULL_SAMPLE)
2121                                                 read_render_result(re1, sample);
2122                         }
2123                 }
2124
2125                 /* composite */
2126                 if(ntree) {
2127                         ntreeCompositTagRender(re->scene);
2128                         ntreeCompositTagAnimated(ntree);
2129
2130                         ntreeCompositExecTree(ntree, &re->r, G.background==0);
2131                 }
2132
2133                 /* ensure we get either composited result or the active layer */
2134                 RE_GetResultImage(re, &rres);
2135
2136                 /* accumulate with filter, and clip */
2137                 mask= (1<<sample);
2138                 mask_array(mask, filt);
2139
2140                 for(y=0; y<re->recty; y++) {
2141                         float *rf= rectf + 4*y*re->rectx;
2142                         float *col= rres.rectf + 4*y*re->rectx;
2143
2144                         for(x=0; x<re->rectx; x++, rf+=4, col+=4) {
2145                                 if(col[0]<0.0f) col[0]=0.0f; else if(col[0] > 1.0f) col[0]= 1.0f;
2146                                 if(col[1]<0.0f) col[1]=0.0f; else if(col[1] > 1.0f) col[1]= 1.0f;
2147                                 if(col[2]<0.0f) col[2]=0.0f; else if(col[2] > 1.0f) col[2]= 1.0f;
2148
2149                                 add_filt_fmask_coord(filt, col, rf, re->rectx, re->recty, x, y);
2150                         }
2151                 }
2152
2153                 /* show stuff */
2154                 if(sample!=re->osa-1) {
2155                         /* weak... the display callback wants an active renderlayer pointer... */
2156                         re->result->renlay= render_get_active_layer(re, re->result);
2157                         re->display_draw(re->ddh, re->result, NULL);
2158                 }
2159
2160                 if(re->test_break(re->tbh))
2161                         break;
2162         }
2163
2164         if(re->result->rectf)
2165                 MEM_freeN(re->result->rectf);
2166         re->result->rectf= rectf;
2167 }
2168
2169 void RE_MergeFullSample(Render *re, Scene *sce, bNodeTree *ntree)
2170 {
2171         Scene *scene;
2172         bNode *node;
2173
2174         /* first call RE_ReadRenderResult on every renderlayer scene. this creates Render structs */
2175
2176         /* tag scenes unread */
2177         for(scene= G.main->scene.first; scene; scene= scene->id.next)
2178                 scene->id.flag |= LIB_DOIT;
2179
2180         for(node= ntree->nodes.first; node; node= node->next) {
2181                 if(node->type==CMP_NODE_R_LAYERS) {
2182                         Scene *nodescene= (Scene *)node->id;
2183
2184                         if(nodescene==NULL) nodescene= sce;
2185                         if(nodescene->id.flag & LIB_DOIT) {
2186                                 nodescene->r.mode |= R_OSA;     /* render struct needs tables */
2187                                 RE_ReadRenderResult(sce, nodescene);
2188                                 nodescene->id.flag &= ~LIB_DOIT;
2189                         }
2190                 }
2191         }
2192
2193         /* own render result should be read/allocated */
2194         if(re->scene->id.flag & LIB_DOIT)
2195                 RE_ReadRenderResult(re->scene, re->scene);
2196
2197         /* and now we can draw (result is there) */
2198         re->display_init(re->dih, re->result);
2199         re->display_clear(re->dch, re->result);
2200
2201         do_merge_fullsample(re, ntree);
2202 }
2203
2204 /* returns fully composited render-result on given time step (in RenderData) */
2205 static void do_render_composite_fields_blur_3d(Render *re)
2206 {
2207         bNodeTree *ntree= re->scene->nodetree;
2208
2209         /* INIT seeding, compositor can use random texture */
2210         BLI_srandom(re->r.cfra);
2211
2212         if(composite_needs_render(re->scene)) {
2213                 /* save memory... free all cached images */
2214                 ntreeFreeCache(ntree);
2215
2216                 do_render_fields_blur_3d(re);
2217         }
2218
2219         /* swap render result */
2220         if(re->r.scemode & R_SINGLE_LAYER)
2221                 pop_render_result(re);
2222
2223         if(!re->test_break(re->tbh)) {
2224
2225                 if(ntree) {
2226                         ntreeCompositTagRender(re->scene);
2227                         ntreeCompositTagAnimated(ntree);
2228                 }
2229
2230                 if(1 || !(re->r.scemode & R_COMP_RERENDER)) {
2231                         if(ntree && re->r.scemode & R_DOCOMP) {
2232                                 /* checks if there are render-result nodes that need scene */
2233                                 if((re->r.scemode & R_SINGLE_LAYER)==0)
2234                                         ntree_render_scenes(re);
2235
2236                                 if(!re->test_break(re->tbh)) {
2237                                         ntree->stats_draw= render_composit_stats;
2238                                         ntree->test_break= re->test_break;
2239                                         ntree->sdh= re->sdh;
2240                                         ntree->tbh= re->tbh;
2241                                         /* in case it was never initialized */
2242                                         R.stats_draw= re->stats_draw;
2243
2244                                         if(re->r.scemode & R_FULL_SAMPLE)
2245                                                 do_merge_fullsample(re, ntree);
2246                                         else
2247                                                 ntreeCompositExecTree(ntree, &re->r, G.background==0);
2248
2249                                         ntree->stats_draw= NULL;
2250                                         ntree->test_break= NULL;
2251                                         ntree->tbh= ntree->sdh= NULL;
2252                                 }
2253                         }
2254                         else if(re->r.scemode & R_FULL_SAMPLE)
2255                                 do_merge_fullsample(re, NULL);
2256                 }
2257         }
2258
2259         /* weak... the display callback wants an active renderlayer pointer... */
2260         re->result->renlay= render_get_active_layer(re, re->result);
2261         re->display_draw(re->ddh, re->result, NULL);
2262 }
2263
2264 static void renderresult_stampinfo(Scene *scene)
2265 {
2266         RenderResult rres;
2267         /* this is the basic trick to get the displayed float or char rect from render result */
2268         RE_GetResultImage(RE_GetRender(scene->id.name), &rres);
2269         BKE_stamp_buf(scene, (unsigned char *)rres.rect32, rres.rectf, rres.rectx, rres.recty, 4);
2270 }
2271
2272 /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
2273
2274 /* main loop: doing sequence + fields + blur + 3d render + compositing */
2275 static void do_render_all_options(Render *re)
2276 {
2277         re->i.starttime= PIL_check_seconds_timer();
2278
2279         /* ensure no images are in memory from previous animated sequences */
2280         BKE_image_all_free_anim_ibufs(re->r.cfra);
2281
2282         if((re->r.scemode & R_DOSEQ) && re->scene->ed && re->scene->ed->seqbase.first) {
2283                 /* note: do_render_seq() frees rect32 when sequencer returns float images */
2284                 if(!re->test_break(re->tbh))
2285                         ; //XXX do_render_seq(re->result, re->r.cfra);
2286
2287                 re->stats_draw(re->sdh, &re->i);
2288                 re->display_draw(re->ddh, re->result, NULL);
2289
2290         }
2291         else {
2292                 do_render_composite_fields_blur_3d(re);
2293         }
2294
2295         /* for UI only */
2296         renderresult_add_names(re->result);
2297
2298         re->i.lastframetime= PIL_check_seconds_timer()- re->i.starttime;
2299
2300         re->stats_draw(re->sdh, &re->i);
2301
2302         /* stamp image info here */
2303         if((re->r.stamp & R_STAMP_ALL) && (re->r.stamp & R_STAMP_DRAW)) {
2304                 renderresult_stampinfo(re->scene);
2305                 re->display_draw(re->ddh, re->result, NULL);
2306         }
2307 }
2308
2309 static int is_rendering_allowed(Render *re)
2310 {
2311         SceneRenderLayer *srl;
2312
2313         /* forbidden combinations */
2314         if(re->r.mode & R_PANORAMA) {
2315                 if(re->r.mode & R_BORDER) {
2316                         re->error(re->erh, "No border supported for Panorama");
2317                         return 0;
2318                 }
2319                 if(re->r.mode & R_ORTHO) {
2320                         re->error(re->erh, "No Ortho render possible for Panorama");
2321                         return 0;
2322                 }
2323         }
2324
2325         if(re->r.mode & R_BORDER) {
2326                 if(re->r.border.xmax <= re->r.border.xmin ||
2327                    re->r.border.ymax <= re->r.border.ymin) {
2328                         re->error(re->erh, "No border area selected.");
2329                         return 0;
2330                 }
2331                 if(re->r.scemode & (R_EXR_TILE_FILE|R_FULL_SAMPLE)) {
2332                         re->error(re->erh, "Border render and Buffer-save not supported yet");
2333                         return 0;
2334                 }
2335         }
2336
2337         if(re->r.scemode & (R_EXR_TILE_FILE|R_FULL_SAMPLE)) {
2338                 char str[FILE_MAX];
2339
2340                 render_unique_exr_name(re, str, 0);
2341
2342                 if (BLI_is_writable(str)==0) {
2343                         re->error(re->erh, "Can not save render buffers, check the temp default path");
2344                         return 0;
2345                 }
2346
2347                 /* no osa + fullsample won't work... */
2348                 if(re->osa==0)
2349                         re->r.scemode &= ~R_FULL_SAMPLE;
2350
2351                 /* no fullsample and edge */
2352                 if((re->r.scemode & R_FULL_SAMPLE) && (re->r.mode & R_EDGE)) {
2353                         re->error(re->erh, "Full Sample doesn't support Edge Enhance");
2354                         return 0;
2355                 }
2356
2357         }
2358         else
2359                 re->r.scemode &= ~R_FULL_SAMPLE;        /* clear to be sure */
2360
2361         if(re->r.scemode & R_DOCOMP) {
2362                 if(re->scene->use_nodes) {
2363                         bNodeTree *ntree= re->scene->nodetree;
2364                         bNode *node;
2365
2366                         if(ntree==NULL) {
2367                                 re->error(re->erh, "No Nodetree in Scene");
2368                                 return 0;
2369                         }
2370
2371                         for(node= ntree->nodes.first; node; node= node->next)
2372                                 if(node->type==CMP_NODE_COMPOSITE)
2373                                         break;
2374
2375
2376                         if(node==NULL) {
2377                                 re->error(re->erh, "No Render Output Node in Scene");
2378                                 return 0;
2379                         }
2380                 }
2381         }
2382
2383         /* check valid camera, without camera render is OK (compo, seq) */
2384         if(re->scene->camera==NULL)
2385                 re->scene->camera= scene_find_camera(re->scene);
2386
2387         if(!(re->r.scemode & (R_DOSEQ|R_DOCOMP))) {
2388                 if(re->scene->camera==NULL) {
2389                         re->error(re->erh, "No camera");
2390                         return 0;
2391                 }
2392         }
2393
2394         /* layer flag tests */
2395         if(re->r.scemode & R_SINGLE_LAYER) {
2396                 srl= BLI_findlink(&re->scene->r.layers, re->r.actlay);
2397                 /* force layer to be enabled */
2398                 srl->layflag &= ~SCE_LAY_DISABLE;
2399         }
2400
2401         for(srl= re->scene->r.layers.first; srl; srl= srl->next)
2402                 if(!(srl->layflag & SCE_LAY_DISABLE))
2403                         break;
2404         if(srl==NULL) {
2405                 re->error(re->erh, "All RenderLayers are disabled");
2406                 return 0;
2407         }
2408
2409         /* renderer */
2410         if(!ELEM(re->r.renderer, R_INTERN, R_YAFRAY)) {
2411                 re->error(re->erh, "Unknown render engine set");
2412                 return 0;
2413         }
2414         return 1;
2415 }
2416
2417 static void update_physics_cache(Render *re, Scene *scene, int anim_init)
2418 {
2419         PTCacheBaker baker;
2420
2421         baker.scene = scene;
2422         baker.pid = NULL;
2423         baker.bake = 0;
2424         baker.render = 1;
2425         baker.anim_init = 1;
2426         baker.quick_step = 1;
2427         baker.break_test = re->test_break;
2428         baker.break_data = re->tbh;
2429         baker.progressbar = NULL;
2430
2431         BKE_ptcache_make_cache(&baker);
2432 }
2433 /* evaluating scene options for general Blender render */
2434 static int render_initialize_from_scene(Render *re, Scene *scene, int anim, int anim_init)
2435 {
2436         int winx, winy;
2437         rcti disprect;
2438
2439         /* r.xsch and r.ysch has the actual view window size
2440                 r.border is the clipping rect */
2441
2442         /* calculate actual render result and display size */
2443         winx= (scene->r.size*scene->r.xsch)/100;
2444         winy= (scene->r.size*scene->r.ysch)/100;
2445
2446         /* we always render smaller part, inserting it in larger image is compositor bizz, it uses disprect for it */
2447         if(scene->r.mode & R_BORDER) {
2448                 disprect.xmin= scene->r.border.xmin*winx;
2449                 disprect.xmax= scene->r.border.xmax*winx;
2450
2451                 disprect.ymin= scene->r.border.ymin*winy;
2452                 disprect.ymax= scene->r.border.ymax*winy;
2453         }
2454         else {
2455                 disprect.xmin= disprect.ymin= 0;
2456                 disprect.xmax= winx;
2457                 disprect.ymax= winy;
2458         }
2459
2460         re->scene= scene;
2461
2462         /* not too nice, but it survives anim-border render */
2463         if(anim) {
2464                 re->disprect= disprect;
2465                 return 1;
2466         }
2467
2468         /* check all scenes involved */
2469         tag_scenes_for_render(re);
2470
2471         /* make sure dynamics are up to date */
2472         update_physics_cache(re, scene, anim_init);
2473
2474         if(scene->r.scemode & R_SINGLE_LAYER)
2475                 push_render_result(re);
2476
2477         RE_InitState(re, NULL, &scene->r, winx, winy, &disprect);
2478         if(!re->ok)  /* if an error was printed, abort */
2479                 return 0;
2480
2481         /* initstate makes new result, have to send changed tags around */
2482         ntreeCompositTagRender(re->scene);
2483
2484         if(!is_rendering_allowed(re))
2485                 return 0;
2486
2487         re->display_init(re->dih, re->result);
2488         re->display_clear(re->dch, re->result);
2489
2490         return 1;
2491 }
2492
2493 /* general Blender frame render call */
2494 void RE_BlenderFrame(Render *re, Scene *scene, int frame)
2495 {
2496         /* ugly global still... is to prevent preview events and signal subsurfs etc to make full resol */
2497         G.rendering= 1;
2498         re->result_ok= 0;
2499
2500         scene->r.cfra= frame;
2501
2502         if(render_initialize_from_scene(re, scene, 0, 0)) {
2503                 do_render_all_options(re);
2504         }
2505
2506         /* UGLY WARNING */
2507         G.rendering= 0;
2508         re->result_ok= 1;
2509 }
2510
2511 static void do_write_image_or_movie(Render *re, Scene *scene, bMovieHandle *mh)
2512 {
2513         char name[FILE_MAX];
2514         RenderResult rres;
2515
2516         RE_GetResultImage(re, &rres);
2517
2518         /* write movie or image */
2519         if(BKE_imtype_is_movie(scene->r.imtype)) {
2520                 int dofree = 0;
2521                 /* note; the way it gets 32 bits rects is weak... */
2522                 if(rres.rect32==NULL) {
2523                         rres.rect32= MEM_mapallocN(sizeof(int)*rres.rectx*rres.recty, "temp 32 bits rect");
2524                         dofree = 1;
2525                 }
2526                 RE_ResultGet32(re, (unsigned int *)rres.rect32);
2527                 mh->append_movie(&re->r, scene->r.cfra, rres.rect32, rres.rectx, rres.recty);
2528                 if(dofree) {
2529                         MEM_freeN(rres.rect32);
2530                 }
2531                 printf("Append frame %d", scene->r.cfra);
2532         }
2533         else {
2534                 BKE_makepicstring(scene, name, scene->r.pic, scene->r.cfra, scene->r.imtype);
2535
2536                 if(re->r.imtype==R_MULTILAYER) {
2537                         if(re->result) {
2538                                 RE_WriteRenderResult(re->result, name, scene->r.quality);
2539                                 printf("Saved: %s", name);
2540                         }
2541                 }
2542                 else {
2543                         ImBuf *ibuf= IMB_allocImBuf(rres.rectx, rres.recty, scene->r.planes, 0, 0);
2544                         int ok;
2545
2546                                         /* if not exists, BKE_write_ibuf makes one */
2547                         ibuf->rect= (unsigned int *)rres.rect32;
2548                         ibuf->rect_float= rres.rectf;
2549                         ibuf->zbuf_float= rres.rectz;
2550
2551                         /* float factor for random dither, imbuf takes care of it */
2552                         ibuf->dither= scene->r.dither_intensity;
2553
2554                         ok= BKE_write_ibuf(scene, ibuf, name, scene->r.imtype, scene->r.subimtype, scene->r.quality);
2555
2556                         if(ok==0) {
2557                                 printf("Render error: cannot save %s\n", name);
2558                                 G.afbreek=1;
2559                         }
2560                         else printf("Saved: %s", name);
2561
2562                         /* optional preview images for exr */
2563                         if(ok && scene->r.imtype==R_OPENEXR && (scene->r.subimtype & R_PREVIEW_JPG)) {
2564                                 if(BLI_testextensie(name, ".exr"))
2565                                         name[strlen(name)-4]= 0;
2566                                 BKE_add_image_extension(scene, name, R_JPEG90);
2567                                 ibuf->depth= 24;
2568                                 BKE_write_ibuf(scene, ibuf, name, R_JPEG90, scene->r.subimtype, scene->r.quality);
2569                                 printf("\nSaved: %s", name);
2570                         }
2571
2572                                         /* imbuf knows which rects are not part of ibuf */
2573                         IMB_freeImBuf(ibuf);
2574                 }
2575         }
2576
2577         BLI_timestr(re->i.lastframetime, name);
2578         printf(" Time: %s\n", name);
2579         fflush(stdout); /* needed for renderd !! (not anymore... (ton)) */
2580 }
2581
2582 /* saves images to disk */
2583 void RE_BlenderAnim(Render *re, Scene *scene, int sfra, int efra, int tfra)
2584 {
2585         bMovieHandle *mh= BKE_get_movie_handle(scene->r.imtype);
2586         unsigned int lay;
2587         int cfrao= scene->r.cfra;
2588         int nfra;
2589
2590         /* do not fully call for each frame, it initializes & pops output window */
2591         if(!render_initialize_from_scene(re, scene, 0, 1))
2592                 return;
2593
2594         /* ugly global still... is to prevent renderwin events and signal subsurfs etc to make full resol */
2595         /* is also set by caller renderwin.c */
2596         G.rendering= 1;
2597         re->result_ok= 0;
2598
2599         if(BKE_imtype_is_movie(scene->r.imtype))
2600                 mh->start_movie(&re->r, re->rectx, re->recty);
2601
2602         if (mh->get_next_frame) {
2603                 while (!(G.afbreek == 1)) {
2604                         int nf = mh->get_next_frame(&re->r);
2605                         if (nf >= 0 && nf >= scene->r.sfra && nf <= scene->r.efra) {
2606                                 scene->r.cfra = re->r.cfra = nf;
2607
2608                                 do_render_all_options(re);
2609
2610                                 if(re->test_break(re->tbh) == 0) {
2611                                         do_write_image_or_movie(re, scene, mh);
2612                                 }
2613                         } else {
2614                                 re->test_break(re->tbh);
2615                         }
2616                 }
2617         } else {
2618                 for(nfra= sfra, scene->r.cfra= sfra; scene->r.cfra<=efra; scene->r.cfra++) {
2619                         char name[FILE_MAX];
2620
2621                         /* only border now, todo: camera lens. (ton) */
2622                         render_initialize_from_scene(re, scene, 1, 0);
2623
2624                         if(nfra!=scene->r.cfra) {
2625                                 /*
2626                                  * Skip this frame, but update for physics and particles system.
2627                                  * From convertblender.c:
2628                                  * in localview, lamps are using normal layers, objects only local bits.
2629                                  */
2630                                 if(scene->lay & 0xFF000000)
2631                                         lay= scene->lay & 0xFF000000;
2632                                 else
2633                                         lay= scene->lay;
2634
2635                                 scene_update_for_newframe(scene, lay);
2636                                 continue;
2637                         }
2638                         else
2639                                 nfra+= tfra;
2640
2641                         /* Touch/NoOverwrite options are only valid for image's */
2642                         if(BKE_imtype_is_movie(scene->r.imtype) == 0) {
2643                                 if(scene->r.mode & (R_NO_OVERWRITE | R_TOUCH))
2644                                         BKE_makepicstring(scene, name, scene->r.pic, scene->r.cfra, scene->r.imtype);
2645
2646                                 if(scene->r.mode & R_NO_OVERWRITE && BLI_exist(name)) {
2647                                         printf("skipping existing frame \"%s\"\n", name);
2648                                         continue;
2649                                 }
2650                                 if(scene->r.mode & R_TOUCH && !BLI_exist(name)) {
2651                                         BLI_make_existing_file(name); /* makes the dir if its not there */
2652                                         BLI_touch(name);
2653                                 }
2654                         }
2655
2656                         re->r.cfra= scene->r.cfra;         /* weak.... */
2657
2658                         do_render_all_options(re);
2659
2660                         if(re->test_break(re->tbh) == 0) {
2661                                 do_write_image_or_movie(re, scene, mh);
2662                         }
2663
2664                         if(G.afbreek==1) {
2665                                 /* remove touched file */
2666                                 if(BKE_imtype_is_movie(scene->r.imtype) == 0) {
2667                                         if (scene->r.mode & R_TOUCH && BLI_exist(name) && BLI_filepathsize(name) == 0) {
2668                                                 BLI_delete(name, 0, 0);
2669                                         }
2670                                 }
2671
2672                                 break;
2673                         }
2674                 }
2675         }
2676
2677         /* end movie */
2678         if(BKE_imtype_is_movie(scene->r.imtype))
2679                 mh->end_movie();
2680
2681         scene->r.cfra= cfrao;
2682
2683         /* UGLY WARNING */
2684         G.rendering= 0;
2685         re->result_ok= 1;
2686 }
2687
2688 /* note; repeated win/disprect calc... solve that nicer, also in compo */
2689
2690 /* only the temp file! */
2691 void RE_ReadRenderResult(Scene *scene, Scene *scenode)
2692 {
2693         Render *re;
2694         int winx, winy;
2695         rcti disprect;
2696
2697         /* calculate actual render result and display size */
2698         winx= (scene->r.size*scene->r.xsch)/100;
2699         winy= (scene->r.size*scene->r.ysch)/100;
2700
2701         /* only in movie case we render smaller part */
2702         if(scene->r.mode & R_BORDER) {
2703                 disprect.xmin= scene->r.border.xmin*winx;
2704                 disprect.xmax= scene->r.border.xmax*winx;
2705
2706                 disprect.ymin= scene->r.border.ymin*winy;
2707                 disprect.ymax= scene->r.border.ymax*winy;
2708         }
2709         else {
2710                 disprect.xmin= disprect.ymin= 0;
2711                 disprect.xmax= winx;
2712                 disprect.ymax= winy;
2713         }
2714
2715         if(scenode)
2716                 scene= scenode;
2717
2718         /* get render: it can be called from UI with draw callbacks */
2719         re= RE_GetRender(scene->id.name);
2720         if(re==NULL)
2721                 re= RE_NewRender(scene->id.name);
2722         RE_InitState(re, NULL, &scene->r, winx, winy, &disprect);
2723         re->scene= scene;
2724
2725         read_render_result(re, 0);
2726 }
2727
2728 void RE_set_max_threads(int threads)
2729 {
2730         if (threads==0) {
2731                 commandline_threads = BLI_system_thread_count();
2732         } else if(threads>=1 && threads<=BLENDER_MAX_THREADS) {
2733                 commandline_threads= threads;
2734         } else {
2735                 printf("Error, threads has to be in range 0-%d\n", BLENDER_MAX_THREADS);
2736         }
2737 }
2738
2739 void RE_init_threadcount(Render *re)
2740 {
2741         if(commandline_threads >= 1) { /* only set as an arg in background mode */
2742                 re->r.threads= MIN2(commandline_threads, BLENDER_MAX_THREADS);
2743         } else if ((re->r.mode & R_FIXED_THREADS)==0 || commandline_threads == 0) { /* Automatic threads */
2744                 re->r.threads = BLI_system_thread_count();
2745         }
2746 }