1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
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_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
|
