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Another optimize step for huge quantities of hair renders; now per transp

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part (64 scanline pixels) it first calculates clipping for faces.
Testfiles - 1 M faces with simple render - show 2 times speedup :)
This commit is contained in:
Ton Roosendaal 2005-11-14 19:00:13 +00:00
parent cf1aa49211
commit c21eb9322f
2 changed files with 75 additions and 33 deletions
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2
source/blender/render/extern/include/render_types.h vendored
View File

@ -195,7 +195,7 @@ typedef struct VertRen
void *svert; /* smooth vert, only used during initrender */
short clip, texofs; /* texofs= flag */
float accum; /* accum for radio weighting, and for strand texco static particles */
short flag;
short flag; /* in use for clipping ztra parts */
} VertRen;
/* ------------------------------------------------------------------------- */

106
source/blender/render/intern/source/zbuf.c
View File

@ -2544,9 +2544,49 @@ static void copyto_abufz(int sample)
/* ------------------------------------------------------------------------ */
/**
* Do accumulation z buffering.
* Do accumulation z buffering.
*/
static void set_faces_raycountflag(void)
{
VertRen *ver=NULL;
VlakRen *vlr=NULL;
float wco, miny, maxy;
int v, clipval;
miny= (float)(2*Aminy-R.recty-1)/(float)R.recty;
maxy= (float)(2*Amaxy-R.recty+2)/(float)R.recty;
for(v=0; v<R.totvert; v++) {
if((v & 255)==0) {
ver= R.blove[v>>8];
}
else ver++;
wco= ver->ho[3];
ver->flag= 0;
if( ver->ho[1] > maxy*wco) ver->flag |= 64;
else if( ver->ho[1]< miny*wco) ver->flag |= 128;
}
for(v=0; v<R.totvlak; v++) {
if((v & 255)==0) {
vlr= R.blovl[v>>8];
}
else vlr++;
if(vlr->v4) {
clipval= vlr->v1->flag & vlr->v2->flag & vlr->v3->flag & vlr->v4->flag;
if(clipval==64 || clipval==128)
vlr->raycount= 0;
else
vlr->raycount= 1;
}
}
}
static void zbuffer_abuf()
{
ZSpan zspan;
@ -2570,7 +2610,7 @@ static void zbuffer_abuf()
zbuffunc4= zbufinvulAc4;
zbuflinefunc= zbuflineAc;
//set_faces_raycountflag();
set_faces_raycountflag();
for(Zsample=0; Zsample<R.osa || R.osa==0; Zsample++) {
@ -2587,46 +2627,48 @@ static void zbuffer_abuf()
}
else vlr++;
ma= vlr->mat;
if(vlr->raycount) {
ma= vlr->mat;
if(ma->mode & (MA_ZTRA)) {
if(ma->mode & (MA_ZTRA)) {
if(vlr->flag & R_VISIBLE) {
/* a little advantage for transp rendering (a z offset) */
if( ma->zoffs != 0.0) {
mul= 0x7FFFFFFF;
zval= mul*(1.0+vlr->v1->ho[2]/vlr->v1->ho[3]);
if(vlr->flag & R_VISIBLE) {
/* a little advantage for transp rendering (a z offset) */
if( ma->zoffs != 0.0) {
mul= 0x7FFFFFFF;
zval= mul*(1.0+vlr->v1->ho[2]/vlr->v1->ho[3]);
VECCOPY(vec, vlr->v1->co);
/* z is negative, otherwise its being clipped */
vec[2]-= ma->zoffs;
RE_projectverto(vec, hoco);
fval= mul*(1.0+hoco[2]/hoco[3]);
VECCOPY(vec, vlr->v1->co);
/* z is negative, otherwise its being clipped */
vec[2]-= ma->zoffs;
RE_projectverto(vec, hoco);
fval= mul*(1.0+hoco[2]/hoco[3]);
Azvoordeel= (int) fabs(zval - fval );
}
else Azvoordeel= 0;
zvlnr= v+1;
if(ma->mode & (MA_WIRE)) zbufclipwire(zvlnr, vlr);
else {
if(vlr->v4 && (vlr->flag & R_STRAND)) {
zbufclip4(&zspan, zvlnr, vlr->v1->ho, vlr->v2->ho, vlr->v3->ho, vlr->v4->ho, vlr->v1->clip, vlr->v2->clip, vlr->v3->clip, vlr->v4->clip);
Azvoordeel= (int) fabs(zval - fval );
}
else Azvoordeel= 0;
zvlnr= v+1;
if(ma->mode & (MA_WIRE)) zbufclipwire(zvlnr, vlr);
else {
zbufclip(&zspan, zvlnr, vlr->v1->ho, vlr->v2->ho, vlr->v3->ho, vlr->v1->clip, vlr->v2->clip, vlr->v3->clip);
if(vlr->v4) {
zvlnr+= 0x800000;
zbufclip(&zspan, zvlnr, vlr->v1->ho, vlr->v3->ho, vlr->v4->ho, vlr->v1->clip, vlr->v3->clip, vlr->v4->clip);
if(vlr->v4 && (vlr->flag & R_STRAND)) {
zbufclip4(&zspan, zvlnr, vlr->v1->ho, vlr->v2->ho, vlr->v3->ho, vlr->v4->ho, vlr->v1->clip, vlr->v2->clip, vlr->v3->clip, vlr->v4->clip);
}
else {
zbufclip(&zspan, zvlnr, vlr->v1->ho, vlr->v2->ho, vlr->v3->ho, vlr->v1->clip, vlr->v2->clip, vlr->v3->clip);
if(vlr->v4) {
zvlnr+= 0x800000;
zbufclip(&zspan, zvlnr, vlr->v1->ho, vlr->v3->ho, vlr->v4->ho, vlr->v1->clip, vlr->v3->clip, vlr->v4->clip);
}
}
}
}
if( (v & 255)==255)
if(RE_local_test_break())
break;
}
if( (v & 255)==255)
if(RE_local_test_break())
break;
}
}