diff options
Diffstat (limited to 'source/blender/render/intern/source/shadeoutput.c')
| -rw-r--r-- | source/blender/render/intern/source/shadeoutput.c | 38 |
1 files changed, 20 insertions, 18 deletions
diff --git a/source/blender/render/intern/source/shadeoutput.c b/source/blender/render/intern/source/shadeoutput.c index b208df74de9..e209baa49a8 100644 --- a/source/blender/render/intern/source/shadeoutput.c +++ b/source/blender/render/intern/source/shadeoutput.c @@ -173,7 +173,7 @@ static void spothalo(struct LampRen *lar, ShadeInput *shi, float *intens) p1[1]= shi->co[1]-lar->co[1]; p1[2]= -lar->co[2]; mul_m3_v3(lar->imat, p1); - copy_v3db_v3fl(npos, p1); // npos is double! + copy_v3db_v3fl(npos, p1); /* npos is double! */ /* pre-scale */ npos[2] *= (double)lar->sh_zfac; @@ -371,11 +371,12 @@ void renderspothalo(ShadeInput *shi, float col[4], float alpha) continue; spothalo(lar, shi, &i); - if (i>0.0f) { - col[3]+= i*alpha; // all premul - col[0]+= i*lar->r*alpha; - col[1]+= i*lar->g*alpha; - col[2]+= i*lar->b*alpha; + if (i > 0.0f) { + const float i_alpha = i * alpha; + col[0] += i_alpha * lar->r; + col[1] += i_alpha * lar->g; + col[2] += i_alpha * lar->b; + col[3] += i_alpha; /* all premul */ } } } @@ -519,7 +520,7 @@ static float area_lamp_energy_multisample(LampRen *lar, const float co[3], float } intens /= (float)lar->ray_totsamp; - return pow(intens*lar->areasize, lar->k); // corrected for buttons size and lar->dist^2 + return pow(intens * lar->areasize, lar->k); /* corrected for buttons size and lar->dist^2 */ } static float spec(float inp, int hard) @@ -932,7 +933,7 @@ static void add_to_diffuse(float *diff, ShadeInput *shi, float is, float r, floa /* MA_RAMP_IN_RESULT is exceptional */ if (ma->rampin_col==MA_RAMP_IN_RESULT) { - // normal add + /* normal add */ diff[0] += r * shi->r; diff[1] += g * shi->g; diff[2] += b * shi->b; @@ -1368,10 +1369,10 @@ static void shade_one_light(LampRen *lar, ShadeInput *shi, ShadeResult *shr, int /* diffuse shaders */ if (lar->mode & LA_NO_DIFF) { - is= 0.0f; // skip shaders + is = 0.0f; /* skip shaders */ } else if (lar->type==LA_HEMI) { - is= 0.5f*inp + 0.5f; + is = 0.5f * inp + 0.5f; } else { @@ -1383,12 +1384,13 @@ static void shade_one_light(LampRen *lar, ShadeInput *shi, ShadeResult *shr, int else if (ma->diff_shader==MA_DIFF_TOON) is= Toon_Diff(vn, lv, view, ma->param[0], ma->param[1]); else if (ma->diff_shader==MA_DIFF_MINNAERT) is= Minnaert_Diff(inp, vn, view, ma->darkness); else if (ma->diff_shader==MA_DIFF_FRESNEL) is= Fresnel_Diff(vn, lv, view, ma->param[0], ma->param[1]); - else is= inp; // Lambert + else is= inp; /* Lambert */ } - + /* 'is' is diffuse */ - if ((ma->shade_flag & MA_CUBIC) && is>0.0f && is<1.0f) - is= 3.0f*is*is - 2.0f*is*is*is; // nicer termination of shades + if ((ma->shade_flag & MA_CUBIC) && is > 0.0f && is < 1.0f) { + is= 3.0f * is * is - 2.0f * is * is * is; /* nicer termination of shades */ + } i= is*phongcorr; @@ -1397,7 +1399,7 @@ static void shade_one_light(LampRen *lar, ShadeInput *shi, ShadeResult *shr, int } i_noshad= i; - vn= shi->vn; // bring back original vector, we use special specular shaders for tangent + vn = shi->vn; /* bring back original vector, we use special specular shaders for tangent */ if (ma->mode & MA_TANGENT_V) vn= shi->tang; @@ -1728,7 +1730,7 @@ void shade_lamp_loop(ShadeInput *shi, ShadeResult *shr) return; } - if ( (ma->mode & (MA_VERTEXCOL|MA_VERTEXCOLP))== MA_VERTEXCOL ) { // vertexcolor light + if ( (ma->mode & (MA_VERTEXCOL|MA_VERTEXCOLP))== MA_VERTEXCOL ) { /* vertexcolor light */ shr->emit[0]= shi->r*(shi->emit+shi->vcol[0]*shi->vcol[3]); shr->emit[1]= shi->g*(shi->emit+shi->vcol[1]*shi->vcol[3]); shr->emit[2]= shi->b*(shi->emit+shi->vcol[2]*shi->vcol[3]); @@ -1749,8 +1751,8 @@ void shade_lamp_loop(ShadeInput *shi, ShadeResult *shr) if (shi->depth || shi->volume_depth) ambient_occlusion(shi); copy_v3_v3(shr->ao, shi->ao); - copy_v3_v3(shr->env, shi->env); // XXX multiply - copy_v3_v3(shr->indirect, shi->indirect); // XXX multiply + copy_v3_v3(shr->env, shi->env); /* XXX multiply */ + copy_v3_v3(shr->indirect, shi->indirect); /* XXX multiply */ } } } |