2011-04-27 11:58:34 +00:00
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/*
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2013-08-18 14:16:15 +00:00
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* Copyright 2011-2013 Blender Foundation
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2011-04-27 11:58:34 +00:00
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*
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2013-08-18 14:16:15 +00:00
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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2011-04-27 11:58:34 +00:00
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*
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2013-08-18 14:16:15 +00:00
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* http://www.apache.org/licenses/LICENSE-2.0
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2011-04-27 11:58:34 +00:00
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*
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2013-08-18 14:16:15 +00:00
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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2014-12-25 01:50:24 +00:00
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* limitations under the License.
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2011-04-27 11:58:34 +00:00
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*/
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CCL_NAMESPACE_BEGIN
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/* Geometry Node */
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2019-04-17 04:17:24 +00:00
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ccl_device_inline void svm_node_geometry(
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KernelGlobals *kg, ShaderData *sd, float *stack, uint type, uint out_offset)
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2011-04-27 11:58:34 +00:00
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{
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2019-04-17 04:17:24 +00:00
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float3 data;
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switch (type) {
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case NODE_GEOM_P:
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data = sd->P;
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break;
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case NODE_GEOM_N:
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data = sd->N;
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break;
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2011-04-27 11:58:34 +00:00
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#ifdef __DPDU__
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2019-04-17 04:17:24 +00:00
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case NODE_GEOM_T:
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data = primitive_tangent(kg, sd);
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break;
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2011-04-27 11:58:34 +00:00
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#endif
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2019-04-17 04:17:24 +00:00
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case NODE_GEOM_I:
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data = sd->I;
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break;
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case NODE_GEOM_Ng:
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data = sd->Ng;
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break;
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2011-04-27 11:58:34 +00:00
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#ifdef __UV__
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2019-04-17 04:17:24 +00:00
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case NODE_GEOM_uv:
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data = make_float3(sd->u, sd->v, 0.0f);
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break;
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2011-04-27 11:58:34 +00:00
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#endif
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2019-04-17 04:17:24 +00:00
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default:
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data = make_float3(0.0f, 0.0f, 0.0f);
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}
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2011-04-27 11:58:34 +00:00
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2019-04-17 04:17:24 +00:00
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stack_store_float3(stack, out_offset, data);
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2011-04-27 11:58:34 +00:00
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}
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2019-04-17 04:17:24 +00:00
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ccl_device void svm_node_geometry_bump_dx(
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KernelGlobals *kg, ShaderData *sd, float *stack, uint type, uint out_offset)
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2011-04-27 11:58:34 +00:00
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{
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#ifdef __RAY_DIFFERENTIALS__
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2019-04-17 04:17:24 +00:00
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float3 data;
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switch (type) {
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case NODE_GEOM_P:
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data = sd->P + sd->dP.dx;
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break;
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case NODE_GEOM_uv:
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data = make_float3(sd->u + sd->du.dx, sd->v + sd->dv.dx, 0.0f);
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break;
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default:
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svm_node_geometry(kg, sd, stack, type, out_offset);
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return;
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}
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stack_store_float3(stack, out_offset, data);
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2011-04-27 11:58:34 +00:00
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#else
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2019-04-17 04:17:24 +00:00
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svm_node_geometry(kg, sd, stack, type, out_offset);
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2011-04-27 11:58:34 +00:00
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#endif
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}
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2019-04-17 04:17:24 +00:00
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ccl_device void svm_node_geometry_bump_dy(
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KernelGlobals *kg, ShaderData *sd, float *stack, uint type, uint out_offset)
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2011-04-27 11:58:34 +00:00
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{
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#ifdef __RAY_DIFFERENTIALS__
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2019-04-17 04:17:24 +00:00
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float3 data;
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switch (type) {
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case NODE_GEOM_P:
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data = sd->P + sd->dP.dy;
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break;
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case NODE_GEOM_uv:
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data = make_float3(sd->u + sd->du.dy, sd->v + sd->dv.dy, 0.0f);
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break;
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default:
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svm_node_geometry(kg, sd, stack, type, out_offset);
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return;
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}
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stack_store_float3(stack, out_offset, data);
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2011-04-27 11:58:34 +00:00
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#else
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2019-04-17 04:17:24 +00:00
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svm_node_geometry(kg, sd, stack, type, out_offset);
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2011-04-27 11:58:34 +00:00
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#endif
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}
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2012-05-21 12:52:28 +00:00
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/* Object Info */
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2019-04-17 04:17:24 +00:00
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ccl_device void svm_node_object_info(
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KernelGlobals *kg, ShaderData *sd, float *stack, uint type, uint out_offset)
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2012-05-21 12:52:28 +00:00
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{
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2019-04-17 04:17:24 +00:00
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float data;
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switch (type) {
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case NODE_INFO_OB_LOCATION: {
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stack_store_float3(stack, out_offset, object_location(kg, sd));
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return;
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}
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case NODE_INFO_OB_INDEX:
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data = object_pass_id(kg, sd->object);
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break;
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case NODE_INFO_MAT_INDEX:
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data = shader_pass_id(kg, sd);
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break;
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case NODE_INFO_OB_RANDOM: {
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if (sd->lamp != LAMP_NONE) {
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data = lamp_random_number(kg, sd->lamp);
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}
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else {
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data = object_random_number(kg, sd->object);
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}
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break;
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}
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default:
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data = 0.0f;
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break;
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}
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stack_store_float(stack, out_offset, data);
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2012-05-21 12:52:28 +00:00
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}
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2012-06-08 16:17:57 +00:00
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/* Particle Info */
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2019-04-17 04:17:24 +00:00
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ccl_device void svm_node_particle_info(
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KernelGlobals *kg, ShaderData *sd, float *stack, uint type, uint out_offset)
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2012-06-08 16:17:57 +00:00
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{
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2019-04-17 04:17:24 +00:00
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switch (type) {
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case NODE_INFO_PAR_INDEX: {
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int particle_id = object_particle_id(kg, sd->object);
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stack_store_float(stack, out_offset, particle_index(kg, particle_id));
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break;
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}
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case NODE_INFO_PAR_RANDOM: {
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int particle_id = object_particle_id(kg, sd->object);
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float random = hash_int_01(particle_index(kg, particle_id));
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stack_store_float(stack, out_offset, random);
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break;
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}
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case NODE_INFO_PAR_AGE: {
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int particle_id = object_particle_id(kg, sd->object);
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stack_store_float(stack, out_offset, particle_age(kg, particle_id));
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break;
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}
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case NODE_INFO_PAR_LIFETIME: {
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int particle_id = object_particle_id(kg, sd->object);
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stack_store_float(stack, out_offset, particle_lifetime(kg, particle_id));
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break;
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}
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case NODE_INFO_PAR_LOCATION: {
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int particle_id = object_particle_id(kg, sd->object);
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stack_store_float3(stack, out_offset, particle_location(kg, particle_id));
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break;
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}
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#if 0 /* XXX float4 currently not supported in SVM stack */
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case NODE_INFO_PAR_ROTATION: {
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int particle_id = object_particle_id(kg, sd->object);
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stack_store_float4(stack, out_offset, particle_rotation(kg, particle_id));
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break;
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}
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2014-05-04 16:19:08 +00:00
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#endif
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2019-04-17 04:17:24 +00:00
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case NODE_INFO_PAR_SIZE: {
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int particle_id = object_particle_id(kg, sd->object);
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stack_store_float(stack, out_offset, particle_size(kg, particle_id));
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break;
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}
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case NODE_INFO_PAR_VELOCITY: {
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int particle_id = object_particle_id(kg, sd->object);
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stack_store_float3(stack, out_offset, particle_velocity(kg, particle_id));
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break;
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}
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case NODE_INFO_PAR_ANGULAR_VELOCITY: {
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int particle_id = object_particle_id(kg, sd->object);
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stack_store_float3(stack, out_offset, particle_angular_velocity(kg, particle_id));
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break;
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}
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}
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2012-06-08 16:17:57 +00:00
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}
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2012-12-28 14:21:30 +00:00
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#ifdef __HAIR__
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2013-01-03 12:08:54 +00:00
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2012-12-28 14:21:30 +00:00
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/* Hair Info */
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2019-04-17 04:17:24 +00:00
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ccl_device void svm_node_hair_info(
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KernelGlobals *kg, ShaderData *sd, float *stack, uint type, uint out_offset)
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2012-12-28 14:21:30 +00:00
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{
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2019-04-17 04:17:24 +00:00
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float data;
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float3 data3;
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switch (type) {
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case NODE_INFO_CURVE_IS_STRAND: {
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data = (sd->type & PRIMITIVE_ALL_CURVE) != 0;
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stack_store_float(stack, out_offset, data);
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break;
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}
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case NODE_INFO_CURVE_INTERCEPT:
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break; /* handled as attribute */
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case NODE_INFO_CURVE_RANDOM:
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break; /* handled as attribute */
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case NODE_INFO_CURVE_THICKNESS: {
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data = curve_thickness(kg, sd);
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stack_store_float(stack, out_offset, data);
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break;
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}
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/*case NODE_INFO_CURVE_FADE: {
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data = sd->curve_transparency;
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stack_store_float(stack, out_offset, data);
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break;
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}*/
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case NODE_INFO_CURVE_TANGENT_NORMAL: {
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data3 = curve_tangent_normal(kg, sd);
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stack_store_float3(stack, out_offset, data3);
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break;
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}
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}
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2012-12-28 14:21:30 +00:00
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}
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#endif
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2011-04-27 11:58:34 +00:00
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CCL_NAMESPACE_END
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