diff options
Diffstat (limited to 'intern/cycles/kernel/svm')
| -rw-r--r-- | intern/cycles/kernel/svm/svm_bevel.h | 2 | ||||
| -rw-r--r-- | intern/cycles/kernel/svm/svm_brick.h | 4 | ||||
| -rw-r--r-- | intern/cycles/kernel/svm/svm_geometry.h | 10 | ||||
| -rw-r--r-- | intern/cycles/kernel/svm/svm_gradient.h | 5 | ||||
| -rw-r--r-- | intern/cycles/kernel/svm/svm_types.h | 9 |
5 files changed, 22 insertions, 8 deletions
diff --git a/intern/cycles/kernel/svm/svm_bevel.h b/intern/cycles/kernel/svm/svm_bevel.h index 65afe1f74ec..bbbc8dce2cf 100644 --- a/intern/cycles/kernel/svm/svm_bevel.h +++ b/intern/cycles/kernel/svm/svm_bevel.h @@ -198,7 +198,7 @@ ccl_device_noinline float3 svm_bevel( /* Normalize. */ float3 N = safe_normalize(sum_N); - return is_zero(N) ? sd->N : N; + return is_zero(N) ? sd->N : (sd->flag & SD_BACKFACING) ? -N : N; } ccl_device void svm_node_bevel( diff --git a/intern/cycles/kernel/svm/svm_brick.h b/intern/cycles/kernel/svm/svm_brick.h index 14245cf0522..90fa2a99b67 100644 --- a/intern/cycles/kernel/svm/svm_brick.h +++ b/intern/cycles/kernel/svm/svm_brick.h @@ -18,9 +18,9 @@ CCL_NAMESPACE_BEGIN /* Brick */ -ccl_device_noinline float brick_noise(int n) /* fast integer noise */ +ccl_device_noinline float brick_noise(uint n) /* fast integer noise */ { - int nn; + uint nn; n = (n + 1013) & 0x7fffffff; n = (n >> 13) ^ n; nn = (n * (n * n * 60493 + 19990303) + 1376312589) & 0x7fffffff; diff --git a/intern/cycles/kernel/svm/svm_geometry.h b/intern/cycles/kernel/svm/svm_geometry.h index cce4e89e715..9af4a0182d9 100644 --- a/intern/cycles/kernel/svm/svm_geometry.h +++ b/intern/cycles/kernel/svm/svm_geometry.h @@ -90,7 +90,15 @@ ccl_device void svm_node_object_info(KernelGlobals *kg, ShaderData *sd, float *s } case NODE_INFO_OB_INDEX: data = object_pass_id(kg, sd->object); break; case NODE_INFO_MAT_INDEX: data = shader_pass_id(kg, sd); break; - case NODE_INFO_OB_RANDOM: data = object_random_number(kg, sd->object); break; + case NODE_INFO_OB_RANDOM: { + if(sd->lamp != LAMP_NONE) { + data = lamp_random_number(kg, sd->lamp); + } + else { + data = object_random_number(kg, sd->object); + } + break; + } default: data = 0.0f; break; } diff --git a/intern/cycles/kernel/svm/svm_gradient.h b/intern/cycles/kernel/svm/svm_gradient.h index 53d7b4f812c..74e36e70427 100644 --- a/intern/cycles/kernel/svm/svm_gradient.h +++ b/intern/cycles/kernel/svm/svm_gradient.h @@ -46,7 +46,10 @@ ccl_device float svm_gradient(float3 p, NodeGradientType type) return atan2f(y, x) / M_2PI_F + 0.5f; } else { - float r = fmaxf(1.0f - sqrtf(x*x + y*y + z*z), 0.0f); + /* Bias a little bit for the case where p is a unit length vector, + * to get exactly zero instead of a small random value depending + * on float precision. */ + float r = fmaxf(0.999999f - sqrtf(x*x + y*y + z*z), 0.0f); if(type == NODE_BLEND_QUADRATIC_SPHERE) return r*r; diff --git a/intern/cycles/kernel/svm/svm_types.h b/intern/cycles/kernel/svm/svm_types.h index f08ec76c055..c7fe7948422 100644 --- a/intern/cycles/kernel/svm/svm_types.h +++ b/intern/cycles/kernel/svm/svm_types.h @@ -465,13 +465,16 @@ typedef enum ClosureType { #define CLOSURE_IS_BSDF_GLOSSY(type) (type >= CLOSURE_BSDF_REFLECTION_ID && type <= CLOSURE_BSDF_HAIR_REFLECTION_ID) #define CLOSURE_IS_BSDF_TRANSMISSION(type) (type >= CLOSURE_BSDF_TRANSLUCENT_ID && type <= CLOSURE_BSDF_HAIR_TRANSMISSION_ID) #define CLOSURE_IS_BSDF_BSSRDF(type) (type == CLOSURE_BSDF_BSSRDF_ID || type == CLOSURE_BSDF_BSSRDF_PRINCIPLED_ID) +#define CLOSURE_IS_BSDF_SINGULAR(type) (type == CLOSURE_BSDF_REFLECTION_ID || \ + type == CLOSURE_BSDF_REFRACTION_ID || \ + type == CLOSURE_BSDF_TRANSPARENT_ID) #define CLOSURE_IS_BSDF_TRANSPARENT(type) (type == CLOSURE_BSDF_TRANSPARENT_ID) -#define CLOSURE_IS_BSDF_ANISOTROPIC(type) (type >= CLOSURE_BSDF_MICROFACET_GGX_ANISO_ID && type <= CLOSURE_BSDF_ASHIKHMIN_SHIRLEY_ANISO_ID) #define CLOSURE_IS_BSDF_MULTISCATTER(type) (type == CLOSURE_BSDF_MICROFACET_MULTI_GGX_ID ||\ type == CLOSURE_BSDF_MICROFACET_MULTI_GGX_ANISO_ID || \ type == CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_ID) -#define CLOSURE_IS_BSDF_MICROFACET(type) ((type >= CLOSURE_BSDF_REFLECTION_ID && type <= CLOSURE_BSDF_ASHIKHMIN_SHIRLEY_ANISO_ID) ||\ - (type >= CLOSURE_BSDF_REFRACTION_ID && type <= CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_ID)) +#define CLOSURE_IS_BSDF_MICROFACET(type) ((type >= CLOSURE_BSDF_MICROFACET_GGX_ID && type <= CLOSURE_BSDF_ASHIKHMIN_SHIRLEY_ANISO_ID) ||\ + (type >= CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID && type <= CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_ID) ||\ + (type == CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_FRESNEL_ID)) #define CLOSURE_IS_BSDF_OR_BSSRDF(type) (type <= CLOSURE_BSSRDF_BURLEY_ID) #define CLOSURE_IS_BSSRDF(type) (type >= CLOSURE_BSSRDF_CUBIC_ID && type <= CLOSURE_BSSRDF_BURLEY_ID) #define CLOSURE_IS_VOLUME(type) (type >= CLOSURE_VOLUME_ID && type <= CLOSURE_VOLUME_HENYEY_GREENSTEIN_ID) |