diff options
Diffstat (limited to 'intern/cycles/kernel/kernel_accumulate.h')
| -rw-r--r-- | intern/cycles/kernel/kernel_accumulate.h | 124 |
1 files changed, 116 insertions, 8 deletions
diff --git a/intern/cycles/kernel/kernel_accumulate.h b/intern/cycles/kernel/kernel_accumulate.h index c589c112cc2..823d30dde78 100644 --- a/intern/cycles/kernel/kernel_accumulate.h +++ b/intern/cycles/kernel/kernel_accumulate.h @@ -52,10 +52,17 @@ ccl_device_inline void bsdf_eval_init(BsdfEval *eval, ClosureType type, float3 v { eval->diffuse = value; } +#ifdef __SHADOW_TRICKS__ + eval->sum_no_mis = make_float3(0.0f, 0.0f, 0.0f); +#endif } -ccl_device_inline void bsdf_eval_accum(BsdfEval *eval, ClosureType type, float3 value) +ccl_device_inline void bsdf_eval_accum(BsdfEval *eval, ClosureType type, float3 value, float mis_weight) { +#ifdef __SHADOW_TRICKS__ + eval->sum_no_mis += value; +#endif + value *= mis_weight; #ifdef __PASSES__ if(eval->use_light_pass) { if(CLOSURE_IS_BSDF_DIFFUSE(type)) @@ -96,7 +103,7 @@ ccl_device_inline bool bsdf_eval_is_zero(BsdfEval *eval) } } -ccl_device_inline void bsdf_eval_mul(BsdfEval *eval, float value) +ccl_device_inline void bsdf_eval_mis(BsdfEval *eval, float value) { #ifdef __PASSES__ if(eval->use_light_pass) { @@ -115,8 +122,19 @@ ccl_device_inline void bsdf_eval_mul(BsdfEval *eval, float value) } } +ccl_device_inline void bsdf_eval_mul(BsdfEval *eval, float value) +{ +#ifdef __SHADOW_TRICKS__ + eval->sum_no_mis *= value; +#endif + bsdf_eval_mis(eval, value); +} + ccl_device_inline void bsdf_eval_mul3(BsdfEval *eval, float3 value) { +#ifdef __SHADOW_TRICKS__ + eval->sum_no_mis *= value; +#endif #ifdef __PASSES__ if(eval->use_light_pass) { eval->diffuse *= value; @@ -134,7 +152,7 @@ ccl_device_inline void bsdf_eval_mul3(BsdfEval *eval, float3 value) #endif } -ccl_device_inline float3 bsdf_eval_sum(BsdfEval *eval) +ccl_device_inline float3 bsdf_eval_sum(const BsdfEval *eval) { #ifdef __PASSES__ if(eval->use_light_pass) { @@ -198,6 +216,12 @@ ccl_device_inline void path_radiance_init(PathRadiance *L, int use_light_pass) { L->emission = make_float3(0.0f, 0.0f, 0.0f); } + +#ifdef __SHADOW_TRICKS__ + L->path_total = make_float3(0.0f, 0.0f, 0.0f); + L->path_total_shaded = make_float3(0.0f, 0.0f, 0.0f); + L->shadow_color = make_float3(0.0f, 0.0f, 0.0f); +#endif } ccl_device_inline void path_radiance_bsdf_bounce(PathRadiance *L, ccl_addr_space float3 *throughput, @@ -252,7 +276,12 @@ ccl_device_inline void path_radiance_accum_emission(PathRadiance *L, float3 thro } } -ccl_device_inline void path_radiance_accum_ao(PathRadiance *L, float3 throughput, float3 alpha, float3 bsdf, float3 ao, int bounce) +ccl_device_inline void path_radiance_accum_ao(PathRadiance *L, + float3 throughput, + float3 alpha, + float3 bsdf, + float3 ao, + int bounce) { #ifdef __PASSES__ if(L->use_light_pass) { @@ -271,6 +300,26 @@ ccl_device_inline void path_radiance_accum_ao(PathRadiance *L, float3 throughput { L->emission += throughput*bsdf*ao; } + +#ifdef __SHADOW_TRICKS__ + float3 light = throughput * bsdf; + L->path_total += light; + L->path_total_shaded += ao * light; +#endif +} + +ccl_device_inline void path_radiance_accum_total_ao( + PathRadiance *L, + float3 throughput, + float3 bsdf) +{ +#ifdef __SHADOW_TRICKS__ + L->path_total += throughput * bsdf; +#else + (void) L; + (void) throughput; + (void) bsdf; +#endif } ccl_device_inline void path_radiance_accum_light(PathRadiance *L, float3 throughput, BsdfEval *bsdf_eval, float3 shadow, float shadow_fac, int bounce, bool is_lamp) @@ -301,15 +350,38 @@ ccl_device_inline void path_radiance_accum_light(PathRadiance *L, float3 through { L->emission += throughput*bsdf_eval->diffuse*shadow; } + +#ifdef __SHADOW_TRICKS__ + float3 light = throughput * bsdf_eval->sum_no_mis; + L->path_total += light; + L->path_total_shaded += shadow * light; +#endif +} + +ccl_device_inline void path_radiance_accum_total_light( + PathRadiance *L, + float3 throughput, + const BsdfEval *bsdf_eval) +{ +#ifdef __SHADOW_TRICKS__ + L->path_total += throughput * bsdf_eval->sum_no_mis; +#else + (void) L; + (void) throughput; + (void) bsdf_eval; +#endif } -ccl_device_inline void path_radiance_accum_background(PathRadiance *L, float3 throughput, float3 value, int bounce) +ccl_device_inline void path_radiance_accum_background(PathRadiance *L, + ccl_addr_space PathState *state, + float3 throughput, + float3 value) { #ifdef __PASSES__ if(L->use_light_pass) { - if(bounce == 0) + if(state->bounce == 0) L->background += throughput*value; - else if(bounce == 1) + else if(state->bounce == 1) L->direct_emission += throughput*value; else L->indirect += throughput*value; @@ -319,6 +391,13 @@ ccl_device_inline void path_radiance_accum_background(PathRadiance *L, float3 th { L->emission += throughput*value; } + +#ifdef __SHADOW_TRICKS__ + L->path_total += throughput * value; + if(state->flag & PATH_RAY_SHADOW_CATCHER_ONLY) { + L->path_total_shaded += throughput * value; + } +#endif } ccl_device_inline void path_radiance_sum_indirect(PathRadiance *L) @@ -501,5 +580,34 @@ ccl_device_inline void path_radiance_accum_sample(PathRadiance *L, PathRadiance L->emission += L_sample->emission * fac; } -CCL_NAMESPACE_END +#ifdef __SHADOW_TRICKS__ +/* Calculate current shadow of the path. */ +ccl_device_inline float path_radiance_sum_shadow(const PathRadiance *L) +{ + float path_total = average(L->path_total); + float path_total_shaded = average(L->path_total_shaded); + if(path_total != 0.0f) { + return path_total_shaded / path_total; + } + return 1.0f; +} +/* Calculate final light sum and transparency for shadow catcher object. */ +ccl_device_inline float3 path_radiance_sum_shadowcatcher(KernelGlobals *kg, + const PathRadiance *L, + ccl_addr_space float* L_transparent) +{ + const float shadow = path_radiance_sum_shadow(L); + float3 L_sum; + if(kernel_data.background.transparent) { + *L_transparent = shadow; + L_sum = make_float3(0.0f, 0.0f, 0.0f); + } + else { + L_sum = L->shadow_color * shadow; + } + return L_sum; +} +#endif + +CCL_NAMESPACE_END |