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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* 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>
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifndef WIN32
#include <unistd.h>
#else
#include <io.h>
#endif
#include "MEM_guardedalloc.h"
#include "BLI_arithb.h"
#include "BLI_blenlib.h"
#include "DNA_texture_types.h"
#include "DNA_world_types.h"
#include "DNA_camera_types.h"
#include "DNA_image_types.h"
#include "DNA_material_types.h"
#include "DNA_node_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_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 "BSE_headerbuttons.h"
#include "BSE_node.h"
#include "BSE_view.h"
#include "BIF_gl.h"
#include "BIF_screen.h"
#include "BIF_space.h" /* allqueue */
#include "BIF_butspace.h"
#include "BIF_mywindow.h"
#include "BIF_interface.h"
#include "BIF_glutil.h"
#include "BIF_previewrender.h" /* include ourself for prototypes */
#include "PIL_time.h"
#include "RE_pipeline.h"
#include "BLO_readfile.h"
#include "GPU_material.h"
#include "blendef.h" /* CLAMP */
#include "interface.h" /* ui_graphics_to_window(), SOLVE! (ton) */
#include "mydevice.h"
#define PR_XMIN 10
#define PR_YMIN 5
#define PR_XMAX 200
#define PR_YMAX 195
static void set_previewrect(RenderInfo *ri, int win)
{
rctf viewplane;
BLI_init_rctf(&viewplane, PR_XMIN, PR_XMAX, PR_YMIN, PR_YMAX);
ui_graphics_to_window_rct(win, &viewplane, &ri->disprect);
/* correction for gla draw */
BLI_translate_rcti(&ri->disprect, -curarea->winrct.xmin, -curarea->winrct.ymin);
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glaDefine2DArea(&curarea->winrct);
ri->pr_rectx= (ri->disprect.xmax-ri->disprect.xmin);
ri->pr_recty= (ri->disprect.ymax-ri->disprect.ymin);
}
static void end_previewrect(void)
{
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
// restore viewport / scissor which was set by glaDefine2DArea
glViewport(curarea->winrct.xmin, curarea->winrct.ymin, curarea->winx, curarea->winy);
glScissor(curarea->winrct.xmin, curarea->winrct.ymin, curarea->winx, curarea->winy);
}
/* 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)
{
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);
allqueue(REDRAWVIEW3D, 0);
}
}
}
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);
allqueue(REDRAWVIEW3D, 0);
}
}
for(ma=G.main->mat.first; ma; ma=ma->id.next) {
if(ma->gpumaterial.first) {
GPU_material_free(ma);
allqueue(REDRAWVIEW3D, 0);
}
}
} else if(OBACT) {
Object *ob = OBACT;
ma= give_current_material(ob, ob->actcol);
if(ma && ma->gpumaterial.first) {
GPU_material_free(ma);
allqueue(REDRAWVIEW3D, 0);
}
}
}
}
/* *************************** Preview for buttons *********************** */
static Main *pr_main= NULL;
void BIF_preview_init_dbase(void)
{
BlendReadError bre;
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, &bre);
if (bfd) {
pr_main= bfd->main;
MEM_freeN(bfd);
}
G.fileflags &= ~G_FILE_NO_UI;
}
void BIF_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 an ID pointer to initialize preview scene */
/* call this with ID NULL to restore assigned ID pointers in preview scene */
static Scene *preview_prepare_scene(RenderInfo *ri, int id_type, ID *id, int pr_method)
{
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(G.scene->world) {
sce->world->exp= G.scene->world->exp;
sce->world->range= G.scene->world->range;
}
sce->r.cfra= G.scene->r.cfra;
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_RAYTRANSP|MA_RAYMIRROR))
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;
}
}
}
if(pr_method==PR_ICON_RENDER) {
if (mat->mode & MA_HALO) {
sce->lay= 1<<MA_FLAT;
}
else {
sce->lay= 1<<MA_SPHERE_A;
}
}
else {
sce->lay= 1<<mat->pr_type;
if(mat->nodetree)
ntreeInitPreview(mat->nodetree, ri->pr_rectx, ri->pr_recty);
}
}
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))
assign_material(base->object, mat, base->object->actcol);
}
}
}
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;
/* 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;
}
}
}
}
}
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= G.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;
}
static void previewrender_progress(RenderResult *rr, volatile rcti *renrect)
{
RenderLayer *rl;
RenderInfo *ri= G.buts->ri;
float ofsx, ofsy;
if(renrect) return;
rl= rr->layers.first;
ofsx= ri->disprect.xmin + rr->tilerect.xmin;
ofsy= ri->disprect.ymin + rr->tilerect.ymin;
glDrawBuffer(GL_FRONT);
glaDrawPixelsSafe_to32(ofsx, ofsy, rr->rectx, rr->recty, rr->rectx, rl->rectf);
bglFlush();
glDrawBuffer(GL_BACK);
}
/* called by interface_icons.c, or by BIF_previewrender_buts or by nodes... */
void BIF_previewrender(struct ID *id, struct RenderInfo *ri, struct ScrArea *area, int pr_method)
{
Render *re;
RenderStats *rstats;
Scene *sce;
SpaceButs *sbuts= NULL;
int oldx= ri->pr_rectx, oldy= ri->pr_recty;
char name [32];
if(ri->tottile && ri->curtile>=ri->tottile) return;
/* check for return with a new event */
if(pr_method!=PR_ICON_RENDER && qtest()) {
if(area)
addafterqueue(area->win, RENDERPREVIEW, 1);
return;
}
/* get the stuff from the builtin preview dbase */
sce= preview_prepare_scene(ri, GS(id->name), id, pr_method);
if(sce==NULL) return;
/* set drawing conditions OK */
if(area) {
sbuts= area->spacedata.first; /* needed for flag */
set_previewrect(ri, area->win); // uses UImat
/* because preview render size can differs */
if(ri->rect && (oldx!=ri->pr_rectx || oldy!=ri->pr_recty)) {
MEM_freeN(ri->rect);
ri->rect= NULL;
ri->curtile= 0;
}
}
sprintf(name, "ButsPreview %d", area?area->win:0);
re= RE_GetRender(name);
/* full refreshed render from first tile */
if(re==NULL || ri->curtile==0) {
re= RE_NewRender(name);
/* handle cases */
if(pr_method==PR_DRAW_RENDER) {
RE_display_draw_cb(re, previewrender_progress);
RE_test_break_cb(re, qtest);
sce->r.scemode |= R_NODE_PREVIEW;
if(sbuts->flag & SB_PRV_OSA)
sce->r.mode |= R_OSA;
sce->r.scemode &= ~R_NO_IMAGE_LOAD;
}
else if(pr_method==PR_DO_RENDER) {
RE_test_break_cb(re, qtest);
sce->r.scemode |= R_NODE_PREVIEW;
sce->r.scemode &= ~R_NO_IMAGE_LOAD;
}
else { /* PR_ICON_RENDER */
sce->r.scemode &= ~R_NODE_PREVIEW;
sce->r.scemode |= R_NO_IMAGE_LOAD;
}
/* allocates render result */
RE_InitState(re, NULL, &sce->r, ri->pr_rectx, ri->pr_recty, NULL);
/* enforce preview image clear */
if(GS(id->name)==ID_MA) {
Material *ma= (Material *)id;
ntreeClearPreview(ma->nodetree);
}
}
/* entire cycle for render engine */
RE_SetCamera(re, sce->camera);
RE_Database_FromScene(re, sce, 1);
RE_TileProcessor(re, ri->curtile, 0); // actual render engine
RE_Database_Free(re);
/* handle results */
if(pr_method==PR_ICON_RENDER) {
if(ri->rect==NULL)
ri->rect= MEM_mallocN(sizeof(int)*ri->pr_rectx*ri->pr_recty, "BIF_previewrender");
RE_ResultGet32(re, ri->rect);
}
else {
rstats= RE_GetStats(re);
if(rstats->partsdone!=ri->curtile) {
if(ri->rect==NULL)
ri->rect= MEM_mallocN(sizeof(int)*ri->pr_rectx*ri->pr_recty, "BIF_previewrender");
RE_ResultGet32(re, ri->rect);
}
if(rstats->totpart==rstats->partsdone && rstats->partsdone) {
if(GS(id->name)==ID_MA && ((Material *)id)->use_nodes)
allqueue(REDRAWNODE, 0);
allqueue(REDRAWBUTSSHADING, 0);
}
else {
if(pr_method==PR_DRAW_RENDER && qtest())
addafterqueue(area->win, RENDERPREVIEW, 1);
}
ri->curtile= rstats->partsdone;
ri->tottile= rstats->totpart;
}
/* unassign the pointers, reset vars */
preview_prepare_scene(ri, GS(id->name), NULL, 0);
}
/* afterqueue call */
void BIF_previewrender_buts(SpaceButs *sbuts)
{
uiBlock *block;
struct ID* id = 0;
struct ID* idfrom = 0;
struct ID* idshow = 0;
Object *ob;
if (!sbuts->ri) return;
/* we safely assume curarea has panel "preview" */
/* quick hack for now, later on preview should become uiBlock itself */
block= uiFindOpenPanelBlockName(&curarea->uiblocks, "Preview");
if(block==NULL) return;
ob= ((G.scene->basact)? (G.scene->basact)->object: 0);
/* we cant trust this global lockpoin.. for example with headerless window */
buttons_active_id(&id, &idfrom);
G.buts->lockpoin= id;
if(sbuts->mainb==CONTEXT_SHADING) {
int tab= sbuts->tab[CONTEXT_SHADING];
if(tab==TAB_SHADING_MAT)
idshow = sbuts->lockpoin;
else if(tab==TAB_SHADING_TEX)
idshow = sbuts->lockpoin;
else if(tab==TAB_SHADING_LAMP) {
if(ob && ob->type==OB_LAMP) idshow= ob->data;
}
else if(tab==TAB_SHADING_WORLD)
idshow = sbuts->lockpoin;
}
else if(sbuts->mainb==CONTEXT_OBJECT) {
if(ob && ob->type==OB_LAMP) idshow = ob->data;
}
if (idshow) {
BKE_icon_changed(BKE_icon_getid(idshow));
uiPanelPush(block);
BIF_previewrender(idshow, sbuts->ri, sbuts->area, PR_DRAW_RENDER);
uiPanelPop(block);
end_previewrect();
}
else {
/* no active block to draw. But we do draw black if possible */
if(sbuts->ri->rect) {
memset(sbuts->ri->rect, 0, sizeof(int)*sbuts->ri->pr_rectx*sbuts->ri->pr_recty);
sbuts->ri->tottile= 10000;
addqueue(curarea->win, REDRAW, 1);
}
return;
}
}
/* is panel callback, supposed to be called with correct panel offset matrix */
void BIF_previewdraw(ScrArea *sa, uiBlock *block)
{
SpaceButs *sbuts= sa->spacedata.first;
short id_code= 0;
if(sbuts->lockpoin) {
ID *id= sbuts->lockpoin;
id_code= GS(id->name);
}
if (!sbuts->ri) {
sbuts->ri= MEM_callocN(sizeof(RenderInfo), "butsrenderinfo");
sbuts->ri->tottile = 10000;
}
if (sbuts->ri->rect==NULL) BIF_preview_changed(id_code);
else {
RenderInfo *ri= sbuts->ri;
int oldx= ri->pr_rectx, oldy= ri->pr_recty;
/* we now do scalable previews! */
set_previewrect(ri, sa->win);
if( ABS(oldx-ri->pr_rectx)<2 && ABS(oldy-ri->pr_recty)<2 ) {
/* restore old values for drawing! */
ri->pr_rectx= oldx;
ri->pr_recty= oldy;
glaDrawPixelsSafe(ri->disprect.xmin, ri->disprect.ymin, ri->pr_rectx, ri->pr_recty, ri->pr_rectx, GL_RGBA, GL_UNSIGNED_BYTE, ri->rect);
}
else {
MEM_freeN(ri->rect);
ri->rect= NULL;
sbuts->ri->curtile= 0;
}
end_previewrect();
}
if(sbuts->ri->curtile==0) BIF_preview_changed(id_code);
}
/* *************************** Preview for 3d window *********************** */
static void view3d_previewrender_stats(RenderStats *rs)
{
// if(rs->convertdone)
// printf("rendered %d %.3f\n", rs->partsdone, rs->lastframetime);
}
static void view3d_previewrender_progress(RenderResult *rr, volatile rcti *renrect)
{
RenderLayer *rl;
int ofsx, ofsy;
if(renrect) return;
rl= rr->layers.first;
/* this case is when we render envmaps... */
if(rr->rectx>G.vd->ri->pr_rectx || rr->recty>G.vd->ri->pr_recty)
return;
ofsx= G.vd->ri->disprect.xmin + rr->tilerect.xmin;
ofsy= G.vd->ri->disprect.ymin + rr->tilerect.ymin;
glDrawBuffer(GL_FRONT);
glaDefine2DArea(&curarea->winrct);
glaDrawPixelsSafe_to32(ofsx, ofsy, rr->rectx, rr->recty, rr->rectx, rl->rectf);
bglFlush();
glDrawBuffer(GL_BACK);
}
void BIF_view3d_previewrender_signal(ScrArea *sa, short signal)
{
View3D *v3d= sa->spacedata.first;
/* this can be called from other window... solve! */
if(sa->spacetype!=SPACE_VIEW3D)
v3d= G.vd;
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);
}
}
void BIF_view3d_previewrender_free(View3D *v3d)
{
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;
}
}
/* 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)
{
int rectx, recty;
uiBlock *block;
block= uiFindOpenPanelBlockName(&curarea->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(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)
{
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;
}
}
/* afterqueue call */
void BIF_view3d_previewrender(ScrArea *sa)
{
View3D *v3d= sa->spacedata.first;
Render *re;
RenderInfo *ri; /* 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(curarea->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 %d", sa->win);
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= G.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, 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= G.scene->lay;
RE_SetView(re, G.vd->viewmat);
/* allow localview render for objects with lights in normal layers */
if(v3d->lay & 0xFF000000)
G.scene->lay |= v3d->lay;
else G.scene->lay= v3d->lay;
RE_Database_FromScene(re, G.scene, 0); // 0= dont use camera view
G.scene->lay= lay;
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_update_flags(G.scene, screen_view3d_layers());
//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(curarea->win, RENDERPREVIEW, 1);
ri->curtile= rstats->partsdone;
ri->tottile= rstats->totpart;
}
else {
addafterqueue(curarea->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, -curarea->winrct.xmin, -curarea->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)
{
View3D *v3d= sa->spacedata.first;
if (v3d->ri==NULL || v3d->ri->rect==NULL)
addafterqueue(sa->win, RENDERPREVIEW, 1);
else {
view3d_previewdraw_rect(sa, block, v3d->ri);
if(v3d->ri->curtile==0)
addafterqueue(sa->win, RENDERPREVIEW, 1);
}
}
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