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path: root/source/blender/render/intern/source/pixelshading.c
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Diffstat (limited to 'source/blender/render/intern/source/pixelshading.c')
-rw-r--r--source/blender/render/intern/source/pixelshading.c156
1 files changed, 78 insertions, 78 deletions
diff --git a/source/blender/render/intern/source/pixelshading.c b/source/blender/render/intern/source/pixelshading.c
index f1323af2826..7f202629ce4 100644
--- a/source/blender/render/intern/source/pixelshading.c
+++ b/source/blender/render/intern/source/pixelshading.c
@@ -71,20 +71,20 @@ static void render_lighting_halo(HaloRen *har, float col_r[3])
LampRen *lar;
float i, inp, inpr, rco[3], dco[3], lv[3], lampdist, ld, t, *vn;
float ir, ig, ib, shadfac, soft, lacol[3];
-
+
ir= ig= ib= 0.0;
-
+
copy_v3_v3(rco, har->co);
dco[0]=dco[1]=dco[2]= 1.0f/har->rad;
-
+
vn= har->no;
-
+
for (go=R.lights.first; go; go= go->next) {
lar= go->lampren;
-
+
/* test for lamplayer */
if (lar->mode & LA_LAYER) if ((lar->lay & har->lay)==0) continue;
-
+
/* lampdist cacluation */
if (lar->type==LA_SUN || lar->type==LA_HEMI) {
copy_v3_v3(lv, lar->vec);
@@ -98,63 +98,63 @@ static void render_lighting_halo(HaloRen *har, float col_r[3])
lv[0]/= ld;
lv[1]/= ld;
lv[2]/= ld;
-
+
/* ld is re-used further on (texco's) */
-
+
if (lar->mode & LA_QUAD) {
t= 1.0;
if (lar->ld1>0.0f)
t= lar->dist/(lar->dist+lar->ld1*ld);
if (lar->ld2>0.0f)
t*= lar->distkw/(lar->distkw+lar->ld2*ld*ld);
-
+
lampdist= t;
}
else {
lampdist= (lar->dist/(lar->dist+ld));
}
-
+
if (lar->mode & LA_SPHERE) {
t= lar->dist - ld;
if (t<0.0f) continue;
-
+
t/= lar->dist;
lampdist*= (t);
}
-
+
}
-
+
lacol[0]= lar->r;
lacol[1]= lar->g;
lacol[2]= lar->b;
-
+
if (lar->mode & LA_TEXTURE) {
ShadeInput shi;
-
+
/* Warning, This is not that nice, and possibly a bit slow,
* however some variables were not initialized properly in, unless using shade_input_initialize(...),
* we need to do a memset */
- memset(&shi, 0, sizeof(ShadeInput));
+ memset(&shi, 0, sizeof(ShadeInput));
/* end warning! - Campbell */
-
+
copy_v3_v3(shi.co, rco);
shi.osatex= 0;
do_lamp_tex(lar, lv, &shi, lacol, LA_TEXTURE);
}
-
+
if (lar->type==LA_SPOT) {
-
+
if (lar->mode & LA_SQUARE) {
if (lv[0]*lar->vec[0]+lv[1]*lar->vec[1]+lv[2]*lar->vec[2]>0.0f) {
float x, lvrot[3];
-
+
/* rotate view to lampspace */
copy_v3_v3(lvrot, lv);
mul_m3_v3(lar->imat, lvrot);
-
+
x = max_ff(fabsf(lvrot[0]/lvrot[2]), fabsf(lvrot[1]/lvrot[2]));
/* 1.0/(sqrt(1+x*x)) is equivalent to cos(atan(x)) */
-
+
inpr = 1.0f / (sqrtf(1.0f + x * x));
}
else inpr= 0.0;
@@ -162,7 +162,7 @@ static void render_lighting_halo(HaloRen *har, float col_r[3])
else {
inpr= lv[0]*lar->vec[0]+lv[1]*lar->vec[1]+lv[2]*lar->vec[2];
}
-
+
t= lar->spotsi;
if (inpr<t) continue;
else {
@@ -187,7 +187,7 @@ static void render_lighting_halo(HaloRen *har, float col_r[3])
ir -= shadfac;
ig -= shadfac;
ib -= shadfac;
-
+
continue;
}
}
@@ -196,24 +196,24 @@ static void render_lighting_halo(HaloRen *har, float col_r[3])
lampdist*=inpr;
}
if (lar->mode & LA_ONLYSHADOW) continue;
-
+
}
-
+
/* dot product and reflectivity*/
-
+
inp = 1.0f - fabsf(dot_v3v3(vn, lv));
-
+
/* inp= cos(0.5*M_PI-acos(inp)); */
-
+
i= inp;
-
+
if (lar->type==LA_HEMI) {
i= 0.5f*i+0.5f;
}
if (i>0.0f) {
i*= lampdist;
}
-
+
/* shadow */
if (i> -0.41f) { /* heuristic valua! */
if (lar->shb) {
@@ -222,14 +222,14 @@ static void render_lighting_halo(HaloRen *har, float col_r[3])
i*= shadfac;
}
}
-
+
if (i>0.0f) {
ir+= i*lacol[0];
ig+= i*lacol[1];
ib+= i*lacol[2];
}
}
-
+
if (ir<0.0f) ir= 0.0f;
if (ig<0.0f) ig= 0.0f;
if (ib<0.0f) ib= 0.0f;
@@ -237,7 +237,7 @@ static void render_lighting_halo(HaloRen *har, float col_r[3])
col_r[0]*= ir;
col_r[1]*= ig;
col_r[2]*= ib;
-
+
}
@@ -287,14 +287,14 @@ int shadeHaloFloat(HaloRen *har, float col[4], int zz,
}
}
else alpha= har->alfa;
-
+
if (alpha==0.0f)
return 0;
/* soften the halo if it intersects geometry */
if (har->mat && har->mat->mode & MA_HALO_SOFT) {
float segment_length, halo_depth, distance_from_z /* , visible_depth */ /* UNUSED */, soften;
-
+
/* calculate halo depth */
segment_length= har->hasize*sasqrt(1.0f - dist/(har->rad*har->rad));
halo_depth= 2.0f*segment_length;
@@ -333,16 +333,16 @@ int shadeHaloFloat(HaloRen *har, float col[4], int zz,
const float *rc;
float fac;
int ofs;
-
+
/* per ring an antialised circle */
ofs= har->seed;
-
+
for (a= har->ringc; a>0; a--, ofs+=2) {
-
+
rc= hashvectf + (ofs % 768);
-
+
fac = fabsf(rc[1] * (har->rad * fabsf(rc[0]) - radist));
-
+
if (fac< 1.0f) {
ringf+= (1.0f-fac);
}
@@ -379,25 +379,25 @@ int shadeHaloFloat(HaloRen *har, float col[4], int zz,
dist= (1.0f-dist);
else
dist= 0.0f;
-
+
if (har->linec) {
const float *rc;
float fac;
int ofs;
-
+
/* per starpoint an antialiased line */
ofs= har->seed;
-
+
for (a= har->linec; a>0; a--, ofs+=3) {
-
+
rc= hashvectf + (ofs % 768);
-
+
fac = fabsf((xn) * rc[0] + (yn) * rc[1]);
-
+
if (fac< 1.0f )
linef+= (1.0f-fac);
}
-
+
linef*= dist;
}
@@ -406,16 +406,16 @@ int shadeHaloFloat(HaloRen *har, float col[4], int zz,
/* rotation */
angle = atan2f(yn, xn);
angle *= (1.0f+0.25f*har->starpoints);
-
+
co= cosf(angle);
si= sinf(angle);
-
+
angle= (co*xn+si*yn)*(co*yn-si*xn);
-
+
ster = fabsf(angle);
if (ster>1.0f) {
ster= (har->rad)/(ster);
-
+
if (ster<1.0f) dist*= sqrtf(ster);
}
}
@@ -423,25 +423,25 @@ int shadeHaloFloat(HaloRen *har, float col[4], int zz,
/* disputable optimize... (ton) */
if (dist<=0.00001f)
return 0;
-
+
dist*= alpha;
ringf*= dist;
linef*= alpha;
-
+
/* The color is either the rgb spec-ed by the user, or extracted from */
/* the texture */
if (har->tex) {
- col[0]= har->r;
- col[1]= har->g;
+ col[0]= har->r;
+ col[1]= har->g;
col[2]= har->b;
col[3]= dist;
-
+
do_halo_tex(har, xn, yn, col);
-
+
col[0]*= col[3];
col[1]*= col[3];
col[2]*= col[3];
-
+
}
else {
col[0]= dist*har->r;
@@ -460,11 +460,11 @@ int shadeHaloFloat(HaloRen *har, float col[4], int zz,
/* Next, we do the line and ring factor modifications. */
if (linef!=0.0f) {
Material *ma= har->mat;
-
+
col[0]+= linef * ma->specr;
col[1]+= linef * ma->specg;
col[2]+= linef * ma->specb;
-
+
if (har->type & HA_XALPHA) col[3]+= linef*linef;
else col[3]+= linef;
}
@@ -474,12 +474,12 @@ int shadeHaloFloat(HaloRen *har, float col[4], int zz,
col[0]+= ringf * ma->mirr;
col[1]+= ringf * ma->mirg;
col[2]+= ringf * ma->mirb;
-
+
if (har->type & HA_XALPHA) col[3]+= ringf*ringf;
else col[3]+= ringf;
}
}
-
+
/* alpha requires clip, gives black dots */
if (col[3] > 1.0f)
col[3]= 1.0f;
@@ -494,17 +494,17 @@ void shadeSkyView(float col_r[3], const float rco[3], const float view[3], const
{
float zen[3], hor[3], blend, blendm;
int skyflag;
-
+
/* flag indicating if we render the top hemisphere */
skyflag = WO_ZENUP;
-
+
/* Some view vector stuff. */
if (R.wrld.skytype & WO_SKYREAL) {
-
+
blend = dot_v3v3(view, R.grvec);
-
+
if (blend<0.0f) skyflag= 0;
-
+
blend = fabsf(blend);
}
else if (R.wrld.skytype & WO_SKYPAPER) {
@@ -532,10 +532,10 @@ void shadeSkyView(float col_r[3], const float rco[3], const float view[3], const
}
do_sky_tex(rco, view, lo, dxyview, hor, zen, &blend, skyflag, thread);
}
-
+
if (blend>1.0f) blend= 1.0f;
blendm= 1.0f-blend;
-
+
/* No clipping, no conversion! */
if (R.wrld.skytype & WO_SKYBLEND) {
col_r[0] = (blendm*hor[0] + blend*zen[0]);
@@ -557,13 +557,13 @@ void shadeSunView(float col_r[3], const float view[3])
LampRen *lar;
float sview[3];
bool do_init = true;
-
+
for (go=R.lights.first; go; go= go->next) {
lar= go->lampren;
if (lar->type==LA_SUN && lar->sunsky && (lar->sunsky->effect_type & LA_SUN_EFFECT_SKY)) {
float sun_collector[3];
float colorxyz[3];
-
+
if (do_init) {
normalize_v3_v3(sview, view);
@@ -573,11 +573,11 @@ void shadeSunView(float col_r[3], const float view[3])
normalize_v3(sview);
do_init = false;
}
-
+
GetSkyXYZRadiancef(lar->sunsky, sview, colorxyz);
xyz_to_rgb(colorxyz[0], colorxyz[1], colorxyz[2], &sun_collector[0], &sun_collector[1], &sun_collector[2],
lar->sunsky->sky_colorspace);
-
+
ramp_blend(lar->sunsky->skyblendtype, col_r, lar->sunsky->skyblendfac, sun_collector);
}
}
@@ -613,25 +613,25 @@ void shadeSkyPixel(float collector[4], float fx, float fy, short thread)
view[0]= -1.0f + 2.0f*(fx/(float)R.winx);
view[1]= -1.0f + 2.0f*(fy/(float)R.winy);
view[2]= 0.0;
-
+
dxyview[0]= 1.0f/(float)R.winx;
dxyview[1]= 1.0f/(float)R.winy;
}
else {
calc_view_vector(view, fx, fy);
fac= normalize_v3(view);
-
+
if (R.wrld.skytype & WO_SKYTEX) {
dxyview[0]= -R.viewdx/fac;
dxyview[1]= -R.viewdy/fac;
}
}
-
+
/* get sky color in the collector */
shadeSkyView(collector, NULL, view, dxyview, thread);
collector[3] = 0.0f;
}
-
+
calc_view_vector(view, fx, fy);
shadeSunView(collector, view);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-07 02:02:57 +0300