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blender-archive/source/blender/editors/render/render_preview.c

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/*
* $Id$
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) Blender Foundation.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
/* global includes */
#include <stdlib.h>
#include <math.h>
#include <string.h>
#ifndef WIN32
#include <unistd.h>
#else
#include <io.h>
#endif
#include "MEM_guardedalloc.h"
#include "BLO_readfile.h"
#include "BLI_math.h"
#include "BLI_blenlib.h"
#include "BLI_threads.h"
#include "DNA_world_types.h"
#include "DNA_camera_types.h"
#include "DNA_material_types.h"
#include "DNA_object_types.h"
#include "DNA_lamp_types.h"
#include "DNA_space_types.h"
#include "DNA_view3d_types.h"
#include "DNA_scene_types.h"
#include "DNA_screen_types.h"
#include "BKE_context.h"
#include "BKE_depsgraph.h"
#include "BKE_global.h"
#include "BKE_image.h"
#include "BKE_icons.h"
#include "BKE_library.h"
#include "BKE_main.h"
#include "BKE_texture.h"
#include "BKE_material.h"
#include "BKE_node.h"
#include "BKE_world.h"
#include "BKE_texture.h"
#include "BKE_utildefines.h"
#include "IMB_imbuf.h"
#include "IMB_imbuf_types.h"
#include "BIF_gl.h"
#include "BIF_glutil.h"
#include "PIL_time.h"
#include "RE_pipeline.h"
#include "WM_api.h"
#include "WM_types.h"
#include "ED_render.h"
#include "ED_view3d.h"
#include "UI_interface.h"
#include "render_intern.h"
#define PR_XMIN 10
#define PR_YMIN 5
#define PR_XMAX 200
#define PR_YMAX 195
/* XXX */
static int qtest() {return 0;}
/* XXX */
typedef struct ShaderPreview {
/* from wmJob */
void *owner;
short *stop, *do_update;
Scene *scene;
ID *id;
ID *parent;
MTex *slot;
int sizex, sizey;
unsigned int *pr_rect;
int pr_method;
} ShaderPreview;
/* unused now */
void draw_tex_crop(Tex *tex)
{
rcti rct;
int ret= 0;
if(tex==0) return;
if(tex->type==TEX_IMAGE) {
if(tex->cropxmin==0.0f) ret++;
if(tex->cropymin==0.0f) ret++;
if(tex->cropxmax==1.0f) ret++;
if(tex->cropymax==1.0f) ret++;
if(ret==4) return;
rct.xmin= PR_XMIN+2+tex->cropxmin*(PR_XMAX-PR_XMIN-4);
rct.xmax= PR_XMIN+2+tex->cropxmax*(PR_XMAX-PR_XMIN-4);
rct.ymin= PR_YMIN+2+tex->cropymin*(PR_YMAX-PR_YMIN-4);
rct.ymax= PR_YMIN+2+tex->cropymax*(PR_YMAX-PR_YMIN-4);
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
glColor3ub(0, 0, 0);
glRecti(rct.xmin+1, rct.ymin-1, rct.xmax+1, rct.ymax-1);
glColor3ub(255, 255, 255);
glRecti(rct.xmin, rct.ymin, rct.xmax, rct.ymax);
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
}
}
/* temporal abuse; if id_code is -1 it only does texture.... solve! */
void BIF_preview_changed(short id_code)
{
#if 0
ScrArea *sa;
for(sa= G.curscreen->areabase.first; sa; sa= sa->next) {
if(sa->spacetype==SPACE_BUTS) {
SpaceButs *sbuts= sa->spacedata.first;
if(sbuts->mainb==CONTEXT_SHADING) {
int tab= sbuts->tab[CONTEXT_SHADING];
if(tab==TAB_SHADING_MAT && (id_code==ID_MA || id_code==ID_TE)) {
if (sbuts->ri) sbuts->ri->curtile= 0;
addafterqueue(sa->win, RENDERPREVIEW, 1);
}
else if(tab==TAB_SHADING_TEX && (id_code==ID_TE || id_code==-1)) {
if (sbuts->ri) sbuts->ri->curtile= 0;
addafterqueue(sa->win, RENDERPREVIEW, 1);
}
else if(tab==TAB_SHADING_LAMP && (id_code==ID_LA || id_code==ID_TE)) {
if (sbuts->ri) sbuts->ri->curtile= 0;
addafterqueue(sa->win, RENDERPREVIEW, 1);
}
else if(tab==TAB_SHADING_WORLD && (id_code==ID_WO || id_code==ID_TE)) {
if (sbuts->ri) sbuts->ri->curtile= 0;
addafterqueue(sa->win, RENDERPREVIEW, 1);
}
}
else if (sbuts->ri)
sbuts->ri->curtile= 0; /* ensure changes always result in re-render when context is restored */
}
else if(sa->spacetype==SPACE_NODE) {
SpaceNode *snode= sa->spacedata.first;
if(snode->treetype==NTREE_SHADER && (id_code==ID_MA || id_code==ID_TE)) {
snode_tag_dirty(snode);
}
}
else if(sa->spacetype==SPACE_VIEW3D) {
View3D *vd= sa->spacedata.first;
/* if is has a renderinfo, we consider that reason for signalling */
if (vd->ri) {
vd->ri->curtile= 0;
addafterqueue(sa->win, RENDERPREVIEW, 1);
}
}
}
if(ELEM4(id_code, ID_MA, ID_TE, ID_LA, ID_WO)) {
Object *ob;
Material *ma;
if(id_code == ID_WO) {
for(ma=G.main->mat.first; ma; ma=ma->id.next) {
if(ma->gpumaterial.first) {
GPU_material_free(ma);
}
}
}
else if(id_code == ID_LA) {
for(ob=G.main->object.first; ob; ob=ob->id.next) {
if(ob->gpulamp.first) {
GPU_lamp_free(ob);
}
}
for(ma=G.main->mat.first; ma; ma=ma->id.next) {
if(ma->gpumaterial.first) {
GPU_material_free(ma);
}
}
} else if(OBACT) {
Object *ob = OBACT;
ma= give_current_material(ob, ob->actcol);
if(ma && ma->gpumaterial.first) {
GPU_material_free(ma);
}
}
}
#endif
}
/* *************************** Preview for buttons *********************** */
static Main *pr_main= NULL;
void ED_preview_init_dbase(void)
{
BlendFileData *bfd;
extern int datatoc_preview_blend_size;
extern char datatoc_preview_blend[];
G.fileflags |= G_FILE_NO_UI;
bfd= BLO_read_from_memory(datatoc_preview_blend, datatoc_preview_blend_size, NULL);
if (bfd) {
pr_main= bfd->main;
MEM_freeN(bfd);
}
G.fileflags &= ~G_FILE_NO_UI;
}
void ED_preview_free_dbase(void)
{
if(pr_main)
free_main(pr_main);
}
static Object *find_object(ListBase *lb, const char *name)
{
Object *ob;
for(ob= lb->first; ob; ob= ob->id.next)
if(strcmp(ob->id.name+2, name)==0)
break;
return ob;
}
/* call this with a pointer to initialize preview scene */
/* call this with NULL to restore assigned ID pointers in preview scene */
static Scene *preview_prepare_scene(Scene *scene, ID *id, int id_type, ShaderPreview *sp)
{
Scene *sce;
Base *base;
if(pr_main==NULL) return NULL;
sce= pr_main->scene.first;
if(sce) {
/* this flag tells render to not execute depsgraph or ipos etc */
sce->r.scemode |= R_PREVIEWBUTS;
/* set world always back, is used now */
sce->world= pr_main->world.first;
/* now: exposure copy */
if(scene->world) {
sce->world->exp= scene->world->exp;
sce->world->range= scene->world->range;
}
sce->r.color_mgt_flag = scene->r.color_mgt_flag;
/* exception: don't color manage texture previews or icons */
if((sp && sp->pr_method==PR_ICON_RENDER) || id_type == ID_TE)
sce->r.color_mgt_flag &= ~R_COLOR_MANAGEMENT;
if((sp && sp->pr_method==PR_ICON_RENDER) && id_type != ID_WO)
sce->r.alphamode= R_ALPHAPREMUL;
else
sce->r.alphamode= R_ADDSKY;
sce->r.cfra= scene->r.cfra;
strcpy(sce->r.engine, scene->r.engine);
if(id_type==ID_MA) {
Material *mat= (Material *)id;
if(id) {
init_render_material(mat, 0, NULL); /* call that retrieves mode_l */
end_render_material(mat);
/* turn on raytracing if needed */
if(mat->mode_l & MA_RAYMIRROR)
sce->r.mode |= R_RAYTRACE;
if(mat->material_type == MA_TYPE_VOLUME)
sce->r.mode |= R_RAYTRACE;
if((mat->mode_l & MA_RAYTRANSP) && (mat->mode_l & MA_TRANSP))
sce->r.mode |= R_RAYTRACE;
if(mat->sss_flag & MA_DIFF_SSS)
sce->r.mode |= R_SSS;
/* turn off fake shadows if needed */
/* this only works in a specific case where the preview.blend contains
* an object starting with 'c' which has a material linked to it (not the obdata)
* and that material has a fake shadow texture in the active texture slot */
for(base= sce->base.first; base; base= base->next) {
if(base->object->id.name[2]=='c') {
Material *shadmat= give_current_material(base->object, base->object->actcol);
if(shadmat) {
if (mat->mode & MA_SHADBUF) shadmat->septex = 0;
else shadmat->septex |= 1;
}
}
}
/* turn off bounce lights for volume,
* doesn't make much visual difference and slows it down too */
if(mat->material_type == MA_TYPE_VOLUME) {
for(base= sce->base.first; base; base= base->next) {
if(base->object->type == OB_LAMP) {
/* if doesn't match 'Lamp.002' --> main key light */
if( strcmp(base->object->id.name+2, "Lamp.002") != 0 ) {
base->object->restrictflag |= OB_RESTRICT_RENDER;
}
}
}
}
if(sp && sp->pr_method==PR_ICON_RENDER) {
if (mat->material_type == MA_TYPE_HALO) {
sce->lay= 1<<MA_FLAT;
}
else {
sce->lay= 1<<MA_SPHERE_A;
}
}
else {
sce->lay= 1<<mat->pr_type;
if(mat->nodetree && sp->pr_method==PR_NODE_RENDER)
ntreeInitPreview(mat->nodetree, sp->sizex, sp->sizey);
}
}
else {
sce->r.mode &= ~(R_OSA|R_RAYTRACE|R_SSS);
}
for(base= sce->base.first; base; base= base->next) {
if(base->object->id.name[2]=='p') {
if(ELEM4(base->object->type, OB_MESH, OB_CURVE, OB_SURF, OB_MBALL)) {
/* don't use assign_material, it changed mat->id.us, which shows in the UI */
Material ***matar= give_matarar(base->object);
int actcol= MAX2(base->object->actcol > 0, 1) - 1;
if(matar && actcol < base->object->totcol)
(*matar)[actcol]= mat;
} else if (base->object->type == OB_LAMP) {
base->object->restrictflag &= ~OB_RESTRICT_RENDER;
}
}
}
}
else if(id_type==ID_TE) {
Tex *tex= (Tex *)id;
sce->lay= 1<<MA_TEXTURE;
for(base= sce->base.first; base; base= base->next) {
if(base->object->id.name[2]=='t') {
Material *mat= give_current_material(base->object, base->object->actcol);
if(mat && mat->mtex[0]) {
mat->mtex[0]->tex= tex;
if(sp && sp->slot)
mat->mtex[0]->which_output = sp->slot->which_output;
/* show alpha in this case */
if(tex==NULL || (tex->flag & TEX_PRV_ALPHA)) {
mat->mtex[0]->mapto |= MAP_ALPHA;
mat->alpha= 0.0f;
}
else {
mat->mtex[0]->mapto &= ~MAP_ALPHA;
mat->alpha= 1.0f;
}
}
}
}
if(tex && tex->nodetree && sp && sp->pr_method==PR_NODE_RENDER)
ntreeInitPreview(tex->nodetree, sp->sizex, sp->sizey);
}
else if(id_type==ID_LA) {
Lamp *la= (Lamp *)id;
if(la && la->type==LA_SUN && (la->sun_effect_type & LA_SUN_EFFECT_SKY)) {
sce->lay= 1<<MA_ATMOS;
sce->world= scene->world;
sce->camera= (Object *)find_object(&pr_main->object, "CameraAtmo");
}
else {
sce->lay= 1<<MA_LAMP;
sce->world= NULL;
sce->camera= (Object *)find_object(&pr_main->object, "Camera");
}
sce->r.mode &= ~R_SHADOW;
for(base= sce->base.first; base; base= base->next) {
if(base->object->id.name[2]=='p') {
if(base->object->type==OB_LAMP)
base->object->data= la;
}
}
}
else if(id_type==ID_WO) {
sce->lay= 1<<MA_SKY;
sce->world= (World *)id;
}
return sce;
}
return NULL;
}
/* new UI convention: draw is in pixel space already. */
/* uses ROUNDBOX button in block to get the rect */
static int ed_preview_draw_rect(ScrArea *sa, Scene *sce, ID *id, int split, int first, rcti *rect, rcti *newrect)
{
Render *re;
RenderResult rres;
char name[32];
int gamma_correct=0;
int offx=0, newx= rect->xmax-rect->xmin, newy= rect->ymax-rect->ymin;
if (id && GS(id->name) != ID_TE) {
/* exception: don't color manage texture previews - show the raw values */
if (sce) gamma_correct = sce->r.color_mgt_flag & R_COLOR_MANAGEMENT;
}
if(!split || first) sprintf(name, "Preview %p", sa);
else sprintf(name, "SecondPreview %p", sa);
if(split) {
if(first) {
offx= 0;
newx= newx/2;
}
else {
offx= newx/2;
newx= newx - newx/2;
}
}
re= RE_GetRender(name);
RE_AcquireResultImage(re, &rres);
if(rres.rectf) {
if(ABS(rres.rectx-newx)<2 && ABS(rres.recty-newy)<2) {
newrect->xmax= MAX2(newrect->xmax, rect->xmin + rres.rectx + offx);
newrect->ymax= MAX2(newrect->ymax, rect->ymin + rres.recty);
glaDrawPixelsSafe_to32(rect->xmin+offx, rect->ymin, rres.rectx, rres.recty, rres.rectx, rres.rectf, gamma_correct);
RE_ReleaseResultImage(re);
return 1;
}
}
RE_ReleaseResultImage(re);
return 0;
}
void ED_preview_draw(const bContext *C, void *idp, void *parentp, void *slotp, rcti *rect)
{
if(idp) {
ScrArea *sa= CTX_wm_area(C);
Scene *sce = CTX_data_scene(C);
ID *id = (ID *)idp;
ID *parent= (ID *)parentp;
MTex *slot= (MTex *)slotp;
SpaceButs *sbuts= sa->spacedata.first;
rcti newrect;
int ok;
int newx= rect->xmax-rect->xmin, newy= rect->ymax-rect->ymin;
newrect.xmin= rect->xmin;
newrect.xmax= rect->xmin;
newrect.ymin= rect->ymin;
newrect.ymax= rect->ymin;
if(parent) {
ok = ed_preview_draw_rect(sa, sce, parent, 1, 1, rect, &newrect);
ok &= ed_preview_draw_rect(sa, sce, id, 1, 0, rect, &newrect);
}
else
ok = ed_preview_draw_rect(sa, sce, id, 0, 0, rect, &newrect);
if(ok)
*rect= newrect;
/* check for spacetype... */
if(sbuts->spacetype==SPACE_BUTS && sbuts->preview) {
sbuts->preview= 0;
ok= 0;
}
if(ok==0) {
ED_preview_shader_job(C, sa, id, parent, slot, newx, newy, PR_BUTS_RENDER);
}
}
}
/* ******************************** Icon Preview **************************** */
void ED_preview_icon_draw(const bContext *C, void *idp, void *arg1, void *arg2, rcti *rect)
{
}
/* *************************** Preview for 3d window *********************** */
void view3d_previewrender_progress(RenderResult *rr, volatile rcti *renrect)
{
// ScrArea *sa= NULL; // XXX
// View3D *v3d= NULL; // XXX
RenderLayer *rl;
int ofsx=0, ofsy=0;
if(renrect) return;
rl= rr->layers.first;
/* this case is when we render envmaps... */
// if(rr->rectx > v3d->ri->pr_rectx || rr->recty > v3d->ri->pr_recty)
// return;
// ofsx= v3d->ri->disprect.xmin + rr->tilerect.xmin;
// ofsy= v3d->ri->disprect.ymin + rr->tilerect.ymin;
glDrawBuffer(GL_FRONT);
// glaDefine2DArea(&sa->winrct);
glaDrawPixelsSafe_to32(ofsx, ofsy, rr->rectx, rr->recty, rr->rectx, rl->rectf, 0);
bglFlush();
glDrawBuffer(GL_BACK);
}
void BIF_view3d_previewrender_signal(ScrArea *sa, short signal)
{
#if 0
View3D *v3d= sa->spacedata.first;
/* this can be called from other window... solve! */
if(sa->spacetype!=SPACE_VIEW3D)
return; // XXX
if(v3d && v3d->ri) {
RenderInfo *ri= v3d->ri;
ri->status &= ~signal;
ri->curtile= 0;
//printf("preview signal %d\n", signal);
if(ri->re && (signal & PR_DBASE))
RE_Database_Free(ri->re);
// addafterqueue(sa->win, RENDERPREVIEW, 1);
}
#endif
}
void BIF_view3d_previewrender_free(View3D *v3d)
{
#if 0
if(v3d->ri) {
RenderInfo *ri= v3d->ri;
if(ri->re) {
// printf("free render\n");
RE_Database_Free(ri->re);
RE_FreeRender(ri->re);
ri->re= NULL;
}
if (v3d->ri->rect) MEM_freeN(v3d->ri->rect);
MEM_freeN(v3d->ri);
v3d->ri= NULL;
}
#endif
}
/* returns 1 if OK, do not call while in panel space! */
static int view3d_previewrender_get_rects(ScrArea *sa, rctf *viewplane, RenderInfo *ri, float *clipsta, float *clipend, int *ortho, float *pixsize)
{
View3D *v3d= NULL; // XXX
RegionView3D *rv3d= NULL; // XXX
int rectx, recty;
// uiBlock *block;
// block= uiFindOpenPanelBlockName(&sa->uiblocks, "Preview");
// if(block==NULL) return 0;
/* calculate preview rect size */
// BLI_init_rctf(viewplane, 15.0f, (block->maxx - block->minx)-15.0f, 15.0f, (block->maxy - block->miny)-15.0f);
// uiPanelPush(block);
// ui_graphics_to_window_rct(sa->win, viewplane, &ri->disprect);
// uiPanelPop(block);
/* correction for gla draw */
// BLI_translate_rcti(&ri->disprect, -sa->winrct.xmin, -sa->winrct.ymin);
*ortho= get_view3d_viewplane(v3d, rv3d, sa->winx, sa->winy, viewplane, clipsta, clipend, pixsize);
rectx= ri->disprect.xmax - ri->disprect.xmin;
recty= ri->disprect.ymax - ri->disprect.ymin;
if(rectx<4 || recty<4) return 0;
if(ri->rect && (rectx!=ri->pr_rectx || recty!=ri->pr_recty)) {
MEM_freeN(ri->rect);
ri->rect= NULL;
ri->curtile= 0;
printf("changed size\n");
}
ri->pr_rectx= rectx;
ri->pr_recty= recty;
return 1;
}
/* called before a panel gets moved/scaled, makes sure we can see through */
void BIF_view3d_previewrender_clear(ScrArea *sa)
{
#if 0
View3D *v3d= sa->spacedata.first;
if(v3d->ri) {
RenderInfo *ri= v3d->ri;
ri->curtile= 0;
if(ri->rect)
MEM_freeN(ri->rect);
ri->rect= NULL;
}
#endif
}
/* afterqueue call */
void BIF_view3d_previewrender(Scene *scene, ScrArea *sa)
{
View3D *v3d= sa->spacedata.first;
RegionView3D *rv3d= NULL; // XXX
Render *re;
RenderInfo *ri=NULL; /* preview struct! */
RenderStats *rstats;
RenderData rdata;
rctf viewplane;
float clipsta, clipend, pixsize;
int orth;
/* first get the render info right */
// if (!v3d->ri) {
// ri= v3d->ri= MEM_callocN(sizeof(RenderInfo), "butsrenderinfo");
// ri->tottile= 10000;
// }
// ri= v3d->ri;
if(0==view3d_previewrender_get_rects(sa, &viewplane, ri, &clipsta, &clipend, &orth, &pixsize))
return;
/* render is finished, so return */
if(ri->tottile && ri->curtile>=ri->tottile) return;
/* or return with a new event */
if(qtest()) {
// addafterqueue(sa->win, RENDERPREVIEW, 1);
return;
}
//printf("Enter previewrender\n");
/* ok, are we rendering all over? */
if(ri->re==NULL) {
char name[32];
ri->status= 0;
sprintf(name, "View3dPreview %p", sa);
re= ri->re= RE_NewRender(name);
//RE_display_draw_cb(re, view3d_previewrender_progress);
//RE_stats_draw_cb(re, view3d_previewrender_stats);
//RE_test_break_cb(re, qtest);
/* no osa, blur, seq, layers, etc for preview render */
rdata= scene->r;
rdata.mode &= ~(R_OSA|R_MBLUR);
rdata.scemode &= ~(R_DOSEQ|R_DOCOMP|R_FREE_IMAGE);
rdata.layers.first= rdata.layers.last= NULL;
rdata.renderer= R_INTERN;
RE_InitState(re, NULL, &rdata, NULL, sa->winx, sa->winy, &ri->disprect);
if(orth)
RE_SetOrtho(re, &viewplane, clipsta, clipend);
else
RE_SetWindow(re, &viewplane, clipsta, clipend);
RE_SetPixelSize(re, pixsize);
/* until here are no escapes */
ri->status |= PR_DISPRECT;
ri->curtile= 0;
//printf("new render\n");
}
re= ri->re;
PIL_sleep_ms(100); /* wait 0.1 second if theres really no event... */
if(qtest()==0) {
/* check status */
if((ri->status & PR_DISPRECT)==0) {
RE_SetDispRect(ri->re, &ri->disprect);
if(orth)
RE_SetOrtho(ri->re, &viewplane, clipsta, clipend);
else
RE_SetWindow(ri->re, &viewplane, clipsta, clipend);
RE_SetPixelSize(re, pixsize);
ri->status |= PR_DISPRECT;
ri->curtile= 0;
//printf("disprect update\n");
}
if((ri->status & PR_DBASE)==0) {
unsigned int lay= scene->lay;
RE_SetView(re, rv3d->viewmat);
/* allow localview render for objects with lights in normal layers */
if(v3d->lay & 0xFF000000)
lay |= v3d->lay;
else lay= v3d->lay;
RE_Database_FromScene(re, scene, lay, 0); // 0= dont use camera view
rstats= RE_GetStats(re);
if(rstats->convertdone)
ri->status |= PR_DBASE|PR_PROJECTED|PR_ROTATED;
ri->curtile= 0;
/* database can have created render-resol data... */
if(rstats->convertdone)
DAG_scene_flush_update(scene, scene->lay, 0);
//printf("dbase update\n");
}
if((ri->status & PR_PROJECTED)==0) {
if(ri->status & PR_DBASE) {
if(orth)
RE_SetOrtho(ri->re, &viewplane, clipsta, clipend);
else
RE_SetWindow(ri->re, &viewplane, clipsta, clipend);
RE_DataBase_ApplyWindow(re);
ri->status |= PR_PROJECTED;
}
ri->curtile= 0;
//printf("project update\n");
}
/* OK, can we enter render code? */
if(ri->status==(PR_DISPRECT|PR_DBASE|PR_PROJECTED|PR_ROTATED)) {
//printf("curtile %d tottile %d\n", ri->curtile, ri->tottile);
RE_TileProcessor(ri->re); //, ri->curtile, 0);
if(ri->rect==NULL)
ri->rect= MEM_mallocN(sizeof(int)*ri->pr_rectx*ri->pr_recty, "preview view3d rect");
RE_ResultGet32(ri->re, ri->rect);
}
rstats= RE_GetStats(ri->re);
// if(rstats->totpart==rstats->partsdone && rstats->partsdone)
// addqueue(sa->win, REDRAW, 1);
// else
// addafterqueue(sa->win, RENDERPREVIEW, 1);
ri->curtile= rstats->partsdone;
ri->tottile= rstats->totpart;
}
else {
// addafterqueue(sa->win, RENDERPREVIEW, 1);
}
//printf("\n");
}
/* in panel space! */
static void view3d_previewdraw_rect(ScrArea *sa, uiBlock *block, RenderInfo *ri)
{
// rctf dispf;
if(ri->rect==NULL)
return;
// BLI_init_rctf(&dispf, 15.0f, (block->maxx - block->minx)-15.0f, 15.0f, (block->maxy - block->miny)-15.0f);
// ui_graphics_to_window_rct(sa->win, &dispf, &ri->disprect);
/* correction for gla draw */
// BLI_translate_rcti(&ri->disprect, -sa->winrct.xmin, -sa->winrct.ymin);
/* when panel scale changed, free rect */
if(ri->disprect.xmax-ri->disprect.xmin != ri->pr_rectx ||
ri->disprect.ymax-ri->disprect.ymin != ri->pr_recty) {
MEM_freeN(ri->rect);
ri->rect= NULL;
}
else {
// glaDefine2DArea(&sa->winrct);
glaDrawPixelsSafe(ri->disprect.xmin, ri->disprect.ymin, ri->pr_rectx, ri->pr_recty, ri->pr_rectx, GL_RGBA, GL_UNSIGNED_BYTE, ri->rect);
}
}
/* is panel callback, supposed to be called with correct panel offset matrix */
void BIF_view3d_previewdraw(struct ScrArea *sa, struct uiBlock *block)
{
RegionView3D *rv3d= NULL;
// if (v3d->ri==NULL || v3d->ri->rect==NULL)
// addafterqueue(sa->win, RENDERPREVIEW, 1);
// else {
view3d_previewdraw_rect(sa, block, rv3d->ri);
// if(v3d->ri->curtile==0)
// addafterqueue(sa->win, RENDERPREVIEW, 1);
// }
}
/* **************************** new shader preview system ****************** */
/* inside thread, called by renderer, sets job update value */
static void shader_preview_draw(void *spv, RenderResult *rr, volatile struct rcti *rect)
{
ShaderPreview *sp= spv;
*(sp->do_update)= 1;
}
/* called by renderer, checks job value */
static int shader_preview_break(void *spv)
{
ShaderPreview *sp= spv;
return *(sp->stop);
}
/* outside thread, called before redraw notifiers, it moves finished preview over */
static void shader_preview_updatejob(void *spv)
{
// ShaderPreview *sp= spv;
}
static void shader_preview_render(ShaderPreview *sp, ID *id, int split, int first)
{
Render *re;
Scene *sce;
float oldlens;
short idtype= GS(id->name);
char name[32];
int sizex;
/* get the stuff from the builtin preview dbase */
sce= preview_prepare_scene(sp->scene, id, idtype, sp); // XXX sizex
if(sce==NULL) return;
if(!split || first) sprintf(name, "Preview %p", sp->owner);
else sprintf(name, "SecondPreview %p", sp->owner);
re= RE_GetRender(name);
/* full refreshed render from first tile */
if(re==NULL)
re= RE_NewRender(name);
/* sce->r gets copied in RE_InitState! */
sce->r.scemode &= ~(R_MATNODE_PREVIEW|R_TEXNODE_PREVIEW);
sce->r.scemode &= ~R_NO_IMAGE_LOAD;
if(sp->pr_method==PR_ICON_RENDER) {
sce->r.scemode |= R_NO_IMAGE_LOAD;
}
else if(sp->pr_method==PR_NODE_RENDER) {
if(idtype == ID_MA) sce->r.scemode |= R_MATNODE_PREVIEW;
else if(idtype == ID_TE) sce->r.scemode |= R_TEXNODE_PREVIEW;
sce->r.mode |= R_OSA;
}
else { /* PR_BUTS_RENDER */
sce->r.mode |= R_OSA;
}
/* in case of split preview, use border render */
if(split) {
if(first) sizex= sp->sizex/2;
else sizex= sp->sizex - sp->sizex/2;
}
else sizex= sp->sizex;
/* allocates or re-uses render result */
sce->r.xsch= sizex;
sce->r.ysch= sp->sizey;
sce->r.size= 100;
/* callbacs are cleared on GetRender() */
if(ELEM(sp->pr_method, PR_BUTS_RENDER, PR_NODE_RENDER)) {
RE_display_draw_cb(re, sp, shader_preview_draw);
RE_test_break_cb(re, sp, shader_preview_break);
}
/* lens adjust */
oldlens= ((Camera *)sce->camera->data)->lens;
if(sizex > sp->sizey)
((Camera *)sce->camera->data)->lens *= (float)sp->sizey/(float)sizex;
/* entire cycle for render engine */
RE_PreviewRender(re, sce);
((Camera *)sce->camera->data)->lens= oldlens;
/* handle results */
if(sp->pr_method==PR_ICON_RENDER) {
if(sp->pr_rect)
RE_ResultGet32(re, sp->pr_rect);
}
else {
/* validate owner */
//if(ri->rect==NULL)
// ri->rect= MEM_mallocN(sizeof(int)*ri->pr_rectx*ri->pr_recty, "BIF_previewrender");
//RE_ResultGet32(re, ri->rect);
}
/* unassign the pointers, reset vars */
preview_prepare_scene(sp->scene, NULL, GS(id->name), NULL);
}
/* runs inside thread for material and icons */
static void shader_preview_startjob(void *customdata, short *stop, short *do_update)
{
ShaderPreview *sp= customdata;
sp->stop= stop;
sp->do_update= do_update;
if(sp->parent) {
shader_preview_render(sp, sp->parent, 1, 1);
shader_preview_render(sp, sp->id, 1, 0);
}
else
shader_preview_render(sp, sp->id, 0, 0);
*do_update= 1;
}
static void shader_preview_free(void *customdata)
{
ShaderPreview *sp= customdata;
MEM_freeN(sp);
}
/* ************************* icon preview ********************** */
static void icon_copy_rect(ImBuf *ibuf, unsigned int w, unsigned int h, unsigned int *rect)
{
struct ImBuf *ima;
unsigned int *drect, *srect;
float scaledx, scaledy;
short ex, ey, dx, dy;
/* paranoia test */
if(ibuf==NULL || (ibuf->rect==NULL && ibuf->rect_float==NULL))
return;
/* waste of cpu cyles... but the imbuf API has no other way to scale fast (ton) */
ima = IMB_dupImBuf(ibuf);
if (!ima)
return;
if (ima->x > ima->y) {
scaledx = (float)w;
scaledy = ( (float)ima->y/(float)ima->x )*(float)w;
}
else {
scaledx = ( (float)ima->x/(float)ima->y )*(float)h;
scaledy = (float)h;
}
ex = (short)scaledx;
ey = (short)scaledy;
dx = (w - ex) / 2;
dy = (h - ey) / 2;
IMB_scalefastImBuf(ima, ex, ey);
/* if needed, convert to 32 bits */
if(ima->rect==NULL)
IMB_rect_from_float(ima);
srect = ima->rect;
drect = rect;
drect+= dy*w+dx;
for (;ey > 0; ey--){
memcpy(drect,srect, ex * sizeof(int));
drect += w;
srect += ima->x;
}
IMB_freeImBuf(ima);
}
static void set_alpha(char *cp, int sizex, int sizey, char alpha)
{
int a, size= sizex*sizey;
for(a=0; a<size; a++, cp+=4)
cp[3]= alpha;
}
static void icon_preview_startjob(void *customdata, short *stop, short *do_update)
{
ShaderPreview *sp= customdata;
ID *id= sp->id;
short idtype= GS(id->name);
if(idtype == ID_IM) {
Image *ima= (Image*)id;
ImBuf *ibuf= NULL;
ImageUser iuser;
/* ima->ok is zero when Image cannot load */
if(ima==NULL || ima->ok==0)
return;
/* setup dummy image user */
memset(&iuser, 0, sizeof(ImageUser));
iuser.ok= iuser.framenr= 1;
iuser.scene= sp->scene;
/* elubie: this needs to be changed: here image is always loaded if not
already there. Very expensive for large images. Need to find a way to
only get existing ibuf */
ibuf = BKE_image_get_ibuf(ima, &iuser);
if(ibuf==NULL || ibuf->rect==NULL)
return;
icon_copy_rect(ibuf, sp->sizex, sp->sizey, sp->pr_rect);
*do_update= 1;
}
else {
/* re-use shader job */
shader_preview_startjob(customdata, stop, do_update);
/* world is rendered with alpha=0, so it wasn't displayed
this could be render option for sky to, for later */
if(idtype == ID_WO) {
set_alpha((char*)sp->pr_rect, sp->sizex, sp->sizey, 255);
}
else if(idtype == ID_MA) {
Material* ma = (Material*)id;
if(ma->material_type == MA_TYPE_HALO)
set_alpha((char*)sp->pr_rect, sp->sizex, sp->sizey, 255);
}
}
}
/* use same function for icon & shader, so the job manager
does not run two of them at the same time. */
static void common_preview_startjob(void *customdata, short *stop, short *do_update)
{
ShaderPreview *sp= customdata;
if(sp->pr_method == PR_ICON_RENDER)
icon_preview_startjob(customdata, stop, do_update);
else
shader_preview_startjob(customdata, stop, do_update);
}
/* exported functions */
void ED_preview_icon_job(const bContext *C, void *owner, ID *id, unsigned int *rect, int sizex, int sizey)
{
wmJob *steve;
ShaderPreview *sp;
steve= WM_jobs_get(CTX_wm_manager(C), CTX_wm_window(C), owner, WM_JOB_EXCL_RENDER);
sp= MEM_callocN(sizeof(ShaderPreview), "shader preview");
/* customdata for preview thread */
sp->scene= CTX_data_scene(C);
sp->owner= id;
sp->sizex= sizex;
sp->sizey= sizey;
sp->pr_method= PR_ICON_RENDER;
sp->pr_rect= rect;
sp->id = id;
/* setup job */
WM_jobs_customdata(steve, sp, shader_preview_free);
WM_jobs_timer(steve, 0.1, NC_MATERIAL, NC_MATERIAL);
WM_jobs_callbacks(steve, common_preview_startjob, NULL, NULL, NULL);
WM_jobs_start(CTX_wm_manager(C), steve);
}
void ED_preview_shader_job(const bContext *C, void *owner, ID *id, ID *parent, MTex *slot, int sizex, int sizey, int method)
{
wmJob *steve;
ShaderPreview *sp;
steve= WM_jobs_get(CTX_wm_manager(C), CTX_wm_window(C), owner, WM_JOB_EXCL_RENDER);
sp= MEM_callocN(sizeof(ShaderPreview), "shader preview");
/* customdata for preview thread */
sp->scene= CTX_data_scene(C);
sp->owner= owner;
sp->sizex= sizex;
sp->sizey= sizey;
sp->pr_method= method;
sp->id = id;
sp->parent= parent;
sp->slot= slot;
/* setup job */
WM_jobs_customdata(steve, sp, shader_preview_free);
WM_jobs_timer(steve, 0.1, NC_MATERIAL, NC_MATERIAL);
WM_jobs_callbacks(steve, common_preview_startjob, NULL, shader_preview_updatejob, NULL);
WM_jobs_start(CTX_wm_manager(C), steve);
}
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