diff options
Diffstat (limited to 'intern/cycles/kernel/svm/geometry.h')
| -rw-r--r-- | intern/cycles/kernel/svm/geometry.h | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/intern/cycles/kernel/svm/geometry.h b/intern/cycles/kernel/svm/geometry.h new file mode 100644 index 00000000000..772942e0c08 --- /dev/null +++ b/intern/cycles/kernel/svm/geometry.h @@ -0,0 +1,261 @@ +/* + * Copyright 2011-2013 Blender Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#pragma once + +CCL_NAMESPACE_BEGIN + +/* Geometry Node */ + +ccl_device_noinline void svm_node_geometry(KernelGlobals kg, + ccl_private ShaderData *sd, + ccl_private float *stack, + uint type, + uint out_offset) +{ + float3 data; + + switch (type) { + case NODE_GEOM_P: + data = sd->P; + break; + case NODE_GEOM_N: + data = sd->N; + break; +#ifdef __DPDU__ + case NODE_GEOM_T: + data = primitive_tangent(kg, sd); + break; +#endif + case NODE_GEOM_I: + data = sd->I; + break; + case NODE_GEOM_Ng: + data = sd->Ng; + break; + case NODE_GEOM_uv: + data = make_float3(sd->u, sd->v, 0.0f); + break; + default: + data = make_float3(0.0f, 0.0f, 0.0f); + } + + stack_store_float3(stack, out_offset, data); +} + +ccl_device_noinline void svm_node_geometry_bump_dx(KernelGlobals kg, + ccl_private ShaderData *sd, + ccl_private float *stack, + uint type, + uint out_offset) +{ +#ifdef __RAY_DIFFERENTIALS__ + float3 data; + + switch (type) { + case NODE_GEOM_P: + data = sd->P + sd->dP.dx; + break; + case NODE_GEOM_uv: + data = make_float3(sd->u + sd->du.dx, sd->v + sd->dv.dx, 0.0f); + break; + default: + svm_node_geometry(kg, sd, stack, type, out_offset); + return; + } + + stack_store_float3(stack, out_offset, data); +#else + svm_node_geometry(kg, sd, stack, type, out_offset); +#endif +} + +ccl_device_noinline void svm_node_geometry_bump_dy(KernelGlobals kg, + ccl_private ShaderData *sd, + ccl_private float *stack, + uint type, + uint out_offset) +{ +#ifdef __RAY_DIFFERENTIALS__ + float3 data; + + switch (type) { + case NODE_GEOM_P: + data = sd->P + sd->dP.dy; + break; + case NODE_GEOM_uv: + data = make_float3(sd->u + sd->du.dy, sd->v + sd->dv.dy, 0.0f); + break; + default: + svm_node_geometry(kg, sd, stack, type, out_offset); + return; + } + + stack_store_float3(stack, out_offset, data); +#else + svm_node_geometry(kg, sd, stack, type, out_offset); +#endif +} + +/* Object Info */ + +ccl_device_noinline void svm_node_object_info(KernelGlobals kg, + ccl_private ShaderData *sd, + ccl_private float *stack, + uint type, + uint out_offset) +{ + float data; + + switch (type) { + case NODE_INFO_OB_LOCATION: { + stack_store_float3(stack, out_offset, object_location(kg, sd)); + return; + } + case NODE_INFO_OB_COLOR: { + stack_store_float3(stack, out_offset, object_color(kg, sd->object)); + return; + } + 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: { + 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; + } + + stack_store_float(stack, out_offset, data); +} + +/* Particle Info */ + +ccl_device_noinline void svm_node_particle_info(KernelGlobals kg, + ccl_private ShaderData *sd, + ccl_private float *stack, + uint type, + uint out_offset) +{ + switch (type) { + case NODE_INFO_PAR_INDEX: { + int particle_id = object_particle_id(kg, sd->object); + stack_store_float(stack, out_offset, particle_index(kg, particle_id)); + break; + } + case NODE_INFO_PAR_RANDOM: { + int particle_id = object_particle_id(kg, sd->object); + float random = hash_uint2_to_float(particle_index(kg, particle_id), 0); + stack_store_float(stack, out_offset, random); + break; + } + case NODE_INFO_PAR_AGE: { + int particle_id = object_particle_id(kg, sd->object); + stack_store_float(stack, out_offset, particle_age(kg, particle_id)); + break; + } + case NODE_INFO_PAR_LIFETIME: { + int particle_id = object_particle_id(kg, sd->object); + stack_store_float(stack, out_offset, particle_lifetime(kg, particle_id)); + break; + } + case NODE_INFO_PAR_LOCATION: { + int particle_id = object_particle_id(kg, sd->object); + stack_store_float3(stack, out_offset, particle_location(kg, particle_id)); + break; + } +#if 0 /* XXX float4 currently not supported in SVM stack */ + case NODE_INFO_PAR_ROTATION: { + int particle_id = object_particle_id(kg, sd->object); + stack_store_float4(stack, out_offset, particle_rotation(kg, particle_id)); + break; + } +#endif + case NODE_INFO_PAR_SIZE: { + int particle_id = object_particle_id(kg, sd->object); + stack_store_float(stack, out_offset, particle_size(kg, particle_id)); + break; + } + case NODE_INFO_PAR_VELOCITY: { + int particle_id = object_particle_id(kg, sd->object); + stack_store_float3(stack, out_offset, particle_velocity(kg, particle_id)); + break; + } + case NODE_INFO_PAR_ANGULAR_VELOCITY: { + int particle_id = object_particle_id(kg, sd->object); + stack_store_float3(stack, out_offset, particle_angular_velocity(kg, particle_id)); + break; + } + } +} + +#ifdef __HAIR__ + +/* Hair Info */ + +ccl_device_noinline void svm_node_hair_info(KernelGlobals kg, + ccl_private ShaderData *sd, + ccl_private float *stack, + uint type, + uint out_offset) +{ + float data; + float3 data3; + + switch (type) { + case NODE_INFO_CURVE_IS_STRAND: { + data = (sd->type & PRIMITIVE_ALL_CURVE) != 0; + stack_store_float(stack, out_offset, data); + break; + } + case NODE_INFO_CURVE_INTERCEPT: + break; /* handled as attribute */ + case NODE_INFO_CURVE_LENGTH: + break; /* handled as attribute */ + case NODE_INFO_CURVE_RANDOM: + break; /* handled as attribute */ + case NODE_INFO_CURVE_THICKNESS: { + data = curve_thickness(kg, sd); + stack_store_float(stack, out_offset, data); + break; + } +# if 0 + case NODE_INFO_CURVE_FADE: { + data = sd->curve_transparency; + stack_store_float(stack, out_offset, data); + break; + } +# endif + case NODE_INFO_CURVE_TANGENT_NORMAL: { + data3 = curve_tangent_normal(kg, sd); + stack_store_float3(stack, out_offset, data3); + break; + } + } +} +#endif + +CCL_NAMESPACE_END |