diff options
Diffstat (limited to 'intern/cycles/kernel/light/light.h')
-rw-r--r-- | intern/cycles/kernel/light/light.h | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/intern/cycles/kernel/light/light.h b/intern/cycles/kernel/light/light.h index 089cf29821f..d05fe47cc2c 100644 --- a/intern/cycles/kernel/light/light.h +++ b/intern/cycles/kernel/light/light.h @@ -115,7 +115,8 @@ ccl_device_inline bool light_sample(KernelGlobals kg, if (type == LIGHT_SPOT) { const float3 center = make_float3(klight->co[0], klight->co[1], klight->co[2]); const float radius = klight->spot.radius; - const float3 dir = make_float3(klight->spot.dir[0], klight->spot.dir[1], klight->spot.dir[2]); + const float3 dir = make_float3( + klight->spot.dir[0], klight->spot.dir[1], klight->spot.dir[2]); /* disk oriented normal */ const float3 lightN = normalize(P - center); ls->P = center; @@ -124,7 +125,7 @@ ccl_device_inline bool light_sample(KernelGlobals kg, /* disk light */ ls->P += disk_light_sample(lightN, randu, randv) * radius; - const float invarea = klight->spot.invarea; + const float invarea = klight->spot.invarea; ls->pdf = invarea; ls->D = normalize_len(ls->P - P, &ls->t); @@ -154,9 +155,9 @@ ccl_device_inline bool light_sample(KernelGlobals kg, ls->P = center; if (radius > 0.0f) { - ls->P += disk_light_sample(lightN, randu, randv) * radius; + ls->P += disk_light_sample(lightN, randu, randv) * radius; } - ls->pdf = klight->spot.invarea; + ls->pdf = klight->spot.invarea; ls->D = normalize_len(ls->P - P, &ls->t); /* we set the light normal to the outgoing direction to support texturing */ @@ -440,7 +441,7 @@ ccl_device bool light_sample_from_intersection(KernelGlobals kg, if (type == LIGHT_SPOT) { const float3 center = make_float3(klight->co[0], klight->co[1], klight->co[2]); const float3 dir = make_float3(klight->spot.dir[0], klight->spot.dir[1], klight->spot.dir[2]); - /* the normal of the oriented disk */ + /* the normal of the oriented disk */ const float3 lightN = normalize(ray_P - center); /* we set the light normal to the outgoing direction to support texturing*/ ls->Ng = -ls->D; @@ -473,7 +474,7 @@ ccl_device bool light_sample_from_intersection(KernelGlobals kg, /* we set the light normal to the outgoing direction to support texturing*/ ls->Ng = -ls->D; - + float invarea = klight->spot.invarea; ls->eval_fac = (0.25f * M_1_PI_F) * invarea; ls->pdf = invarea; |