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Viewing changes to intern/cycles/kernel/svm/svm_bsdf.h

  • Committer: Package Import Robot
  • Author(s): Jeremy Bicha
  • Date: 2013-03-06 12:08:47 UTC
  • mfrom: (1.5.1) (14.1.8 experimental)
  • Revision ID: package-import@ubuntu.com-20130306120847-frjfaryb2zrotwcg
Tags: 2.66a-1ubuntu1
https://launchpad.net/bugs/1076930
https://launchpad.net/bugs/1089256
https://launchpad.net/bugs/1052743
https://launchpad.net/bugs/999024
* Resynchronize with Debian (LP: #1076930, #1089256, #1052743, #999024,
  #1122888, #1147084)
* debian/control:
  - Lower build-depends on libavcodec-dev since we're not
    doing the libav9 transition in Ubuntu yet

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intern/cycles/kernel/svm/svm_bsdf.h
1
 
/*
2
 
 * Copyright 2011, Blender Foundation.
3
 
 *
4
 
 * This program is free software; you can redistribute it and/or
5
 
 * modify it under the terms of the GNU General Public License
6
 
 * as published by the Free Software Foundation; either version 2
7
 
 * of the License, or (at your option) any later version.
8
 
 *
9
 
 * This program is distributed in the hope that it will be useful,
10
 
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11
 
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12
 
 * GNU General Public License for more details.
13
 
 *
14
 
 * You should have received a copy of the GNU General Public License
15
 
 * along with this program; if not, write to the Free Software Foundation,
16
 
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17
 
 */
18
 
 
19
 
#include "bsdf_ashikhmin_velvet.h"
20
 
#include "bsdf_diffuse.h"
21
 
#include "bsdf_oren_nayar.h"
22
 
#include "bsdf_microfacet.h"
23
 
#include "bsdf_reflection.h"
24
 
#include "bsdf_refraction.h"
25
 
#include "bsdf_transparent.h"
26
 
#ifdef __DPDU__
27
 
#include "bsdf_ward.h"
28
 
#endif
29
 
#include "bsdf_westin.h"
30
 
 
31
 
CCL_NAMESPACE_BEGIN
32
 
 
33
 
__device int svm_bsdf_sample(const ShaderData *sd, const ShaderClosure *sc, float randu, float randv, float3 *eval, float3 *omega_in, differential3 *domega_in, float *pdf)
34
 
{
35
 
        int label;
36
 
 
37
 
        switch(sc->type) {
38
 
                case CLOSURE_BSDF_DIFFUSE_ID:
39
 
                        label = bsdf_diffuse_sample(sd, sc, randu, randv, eval, omega_in, &domega_in->dx, &domega_in->dy, pdf);
40
 
                        break;
41
 
#ifdef __SVM__
42
 
                case CLOSURE_BSDF_OREN_NAYAR_ID:
43
 
                        label = bsdf_oren_nayar_sample(sd, sc, randu, randv, eval, omega_in, &domega_in->dx, &domega_in->dy, pdf);
44
 
                        break;
45
 
                case CLOSURE_BSDF_TRANSLUCENT_ID:
46
 
                        label = bsdf_translucent_sample(sd, sc, randu, randv, eval, omega_in, &domega_in->dx, &domega_in->dy, pdf);
47
 
                        break;
48
 
                case CLOSURE_BSDF_REFLECTION_ID:
49
 
                        label = bsdf_reflection_sample(sd, sc, randu, randv, eval, omega_in, &domega_in->dx, &domega_in->dy, pdf);
50
 
                        break;
51
 
                case CLOSURE_BSDF_REFRACTION_ID:
52
 
                        label = bsdf_refraction_sample(sd, sc, randu, randv, eval, omega_in, &domega_in->dx, &domega_in->dy, pdf);
53
 
                        break;
54
 
                case CLOSURE_BSDF_TRANSPARENT_ID:
55
 
                        label = bsdf_transparent_sample(sd, sc, randu, randv, eval, omega_in, &domega_in->dx, &domega_in->dy, pdf);
56
 
                        break;
57
 
                case CLOSURE_BSDF_MICROFACET_GGX_ID:
58
 
                case CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID:
59
 
                        label = bsdf_microfacet_ggx_sample(sd, sc, randu, randv, eval, omega_in, &domega_in->dx, &domega_in->dy, pdf);
60
 
                        break;
61
 
                case CLOSURE_BSDF_MICROFACET_BECKMANN_ID:
62
 
                case CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID:
63
 
                        label = bsdf_microfacet_beckmann_sample(sd, sc, randu, randv, eval, omega_in, &domega_in->dx, &domega_in->dy, pdf);
64
 
                        break;
65
 
#ifdef __DPDU__
66
 
                case CLOSURE_BSDF_WARD_ID:
67
 
                        label = bsdf_ward_sample(sd, sc, randu, randv, eval, omega_in, &domega_in->dx, &domega_in->dy, pdf);
68
 
                        break;
69
 
#endif
70
 
                case CLOSURE_BSDF_ASHIKHMIN_VELVET_ID:
71
 
                        label = bsdf_ashikhmin_velvet_sample(sd, sc, randu, randv, eval, omega_in, &domega_in->dx, &domega_in->dy, pdf);
72
 
                        break;
73
 
                case CLOSURE_BSDF_WESTIN_BACKSCATTER_ID:
74
 
                        label = bsdf_westin_backscatter_sample(sd, sc, randu, randv, eval, omega_in, &domega_in->dx, &domega_in->dy, pdf);
75
 
                        break;
76
 
                case CLOSURE_BSDF_WESTIN_SHEEN_ID:
77
 
                        label = bsdf_westin_sheen_sample(sd, sc, randu, randv, eval, omega_in, &domega_in->dx, &domega_in->dy, pdf);
78
 
                        break;
79
 
#endif
80
 
                default:
81
 
                        label = LABEL_NONE;
82
 
                        break;
83
 
        }
84
 
 
85
 
        return label;
86
 
}
87
 
 
88
 
__device float3 svm_bsdf_eval(const ShaderData *sd, const ShaderClosure *sc, const float3 omega_in, float *pdf)
89
 
{
90
 
        float3 eval;
91
 
 
92
 
        if(dot(sd->Ng, omega_in) >= 0.0f) {
93
 
                switch(sc->type) {
94
 
                        case CLOSURE_BSDF_DIFFUSE_ID:
95
 
                                eval = bsdf_diffuse_eval_reflect(sd, sc, sd->I, omega_in, pdf);
96
 
                                break;
97
 
#ifdef __SVM__
98
 
                        case CLOSURE_BSDF_OREN_NAYAR_ID:
99
 
                                eval = bsdf_oren_nayar_eval_reflect(sd, sc, sd->I, omega_in, pdf);
100
 
                                break;
101
 
                        case CLOSURE_BSDF_TRANSLUCENT_ID:
102
 
                                eval = bsdf_translucent_eval_reflect(sd, sc, sd->I, omega_in, pdf);
103
 
                                break;
104
 
                        case CLOSURE_BSDF_REFLECTION_ID:
105
 
                                eval = bsdf_reflection_eval_reflect(sd, sc, sd->I, omega_in, pdf);
106
 
                                break;
107
 
                        case CLOSURE_BSDF_REFRACTION_ID:
108
 
                                eval = bsdf_refraction_eval_reflect(sd, sc, sd->I, omega_in, pdf);
109
 
                                break;
110
 
                        case CLOSURE_BSDF_TRANSPARENT_ID:
111
 
                                eval = bsdf_transparent_eval_reflect(sd, sc, sd->I, omega_in, pdf);
112
 
                                break;
113
 
                        case CLOSURE_BSDF_MICROFACET_GGX_ID:
114
 
                        case CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID:
115
 
                                eval = bsdf_microfacet_ggx_eval_reflect(sd, sc, sd->I, omega_in, pdf);
116
 
                                break;
117
 
                        case CLOSURE_BSDF_MICROFACET_BECKMANN_ID:
118
 
                        case CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID:
119
 
                                eval = bsdf_microfacet_beckmann_eval_reflect(sd, sc, sd->I, omega_in, pdf);
120
 
                                break;
121
 
#ifdef __DPDU__
122
 
                        case CLOSURE_BSDF_WARD_ID:
123
 
                                eval = bsdf_ward_eval_reflect(sd, sc, sd->I, omega_in, pdf);
124
 
                                break;
125
 
#endif
126
 
                        case CLOSURE_BSDF_ASHIKHMIN_VELVET_ID:
127
 
                                eval = bsdf_ashikhmin_velvet_eval_reflect(sd, sc, sd->I, omega_in, pdf);
128
 
                                break;
129
 
                        case CLOSURE_BSDF_WESTIN_BACKSCATTER_ID:
130
 
                                eval = bsdf_westin_backscatter_eval_reflect(sd, sc, sd->I, omega_in, pdf);
131
 
                                break;
132
 
                        case CLOSURE_BSDF_WESTIN_SHEEN_ID:
133
 
                                eval = bsdf_westin_sheen_eval_reflect(sd, sc, sd->I, omega_in, pdf);
134
 
                                break;
135
 
#endif
136
 
                        default:
137
 
                                eval = make_float3(0.0f, 0.0f, 0.0f);
138
 
                                break;
139
 
                }
140
 
        }
141
 
        else {
142
 
                switch(sc->type) {
143
 
                        case CLOSURE_BSDF_DIFFUSE_ID:
144
 
                                eval = bsdf_diffuse_eval_transmit(sd, sc, sd->I, omega_in, pdf);
145
 
                                break;
146
 
#ifdef __SVM__
147
 
                        case CLOSURE_BSDF_OREN_NAYAR_ID:
148
 
                                eval = bsdf_oren_nayar_eval_transmit(sd, sc, sd->I, omega_in, pdf);
149
 
                                break;
150
 
                        case CLOSURE_BSDF_TRANSLUCENT_ID:
151
 
                                eval = bsdf_translucent_eval_transmit(sd, sc, sd->I, omega_in, pdf);
152
 
                                break;
153
 
                        case CLOSURE_BSDF_REFLECTION_ID:
154
 
                                eval = bsdf_reflection_eval_transmit(sd, sc, sd->I, omega_in, pdf);
155
 
                                break;
156
 
                        case CLOSURE_BSDF_REFRACTION_ID:
157
 
                                eval = bsdf_refraction_eval_transmit(sd, sc, sd->I, omega_in, pdf);
158
 
                                break;
159
 
                        case CLOSURE_BSDF_TRANSPARENT_ID:
160
 
                                eval = bsdf_transparent_eval_transmit(sd, sc, sd->I, omega_in, pdf);
161
 
                                break;
162
 
                        case CLOSURE_BSDF_MICROFACET_GGX_ID:
163
 
                        case CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID:
164
 
                                eval = bsdf_microfacet_ggx_eval_transmit(sd, sc, sd->I, omega_in, pdf);
165
 
                                break;
166
 
                        case CLOSURE_BSDF_MICROFACET_BECKMANN_ID:
167
 
                        case CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID:
168
 
                                eval = bsdf_microfacet_beckmann_eval_transmit(sd, sc, sd->I, omega_in, pdf);
169
 
                                break;
170
 
#ifdef __DPDU__
171
 
                        case CLOSURE_BSDF_WARD_ID:
172
 
                                eval = bsdf_ward_eval_transmit(sd, sc, sd->I, omega_in, pdf);
173
 
                                break;
174
 
#endif
175
 
                        case CLOSURE_BSDF_ASHIKHMIN_VELVET_ID:
176
 
                                eval = bsdf_ashikhmin_velvet_eval_transmit(sd, sc, sd->I, omega_in, pdf);
177
 
                                break;
178
 
                        case CLOSURE_BSDF_WESTIN_BACKSCATTER_ID:
179
 
                                eval = bsdf_westin_backscatter_eval_transmit(sd, sc, sd->I, omega_in, pdf);
180
 
                                break;
181
 
                        case CLOSURE_BSDF_WESTIN_SHEEN_ID:
182
 
                                eval = bsdf_westin_sheen_eval_transmit(sd, sc, sd->I, omega_in, pdf);
183
 
                                break;
184
 
#endif
185
 
                        default:
186
 
                                eval = make_float3(0.0f, 0.0f, 0.0f);
187
 
                                break;
188
 
                }
189
 
        }
190
 
 
191
 
        return eval;
192
 
}
193
 
 
194
 
__device void svm_bsdf_blur(ShaderClosure *sc, float roughness)
195
 
{
196
 
        switch(sc->type) {
197
 
                case CLOSURE_BSDF_DIFFUSE_ID:
198
 
                        bsdf_diffuse_blur(sc, roughness);
199
 
                        break;
200
 
#ifdef __SVM__
201
 
                case CLOSURE_BSDF_OREN_NAYAR_ID:
202
 
                        bsdf_oren_nayar_blur(sc, roughness);
203
 
                        break;
204
 
                case CLOSURE_BSDF_TRANSLUCENT_ID:
205
 
                        bsdf_translucent_blur(sc, roughness);
206
 
                        break;
207
 
                case CLOSURE_BSDF_REFLECTION_ID:
208
 
                        bsdf_reflection_blur(sc, roughness);
209
 
                        break;
210
 
                case CLOSURE_BSDF_REFRACTION_ID:
211
 
                        bsdf_refraction_blur(sc, roughness);
212
 
                        break;
213
 
                case CLOSURE_BSDF_TRANSPARENT_ID:
214
 
                        bsdf_transparent_blur(sc, roughness);
215
 
                        break;
216
 
                case CLOSURE_BSDF_MICROFACET_GGX_ID:
217
 
                case CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID:
218
 
                        bsdf_microfacet_ggx_blur(sc, roughness);
219
 
                        break;
220
 
                case CLOSURE_BSDF_MICROFACET_BECKMANN_ID:
221
 
                case CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID:
222
 
                        bsdf_microfacet_beckmann_blur(sc, roughness);
223
 
                        break;
224
 
#ifdef __DPDU__
225
 
                case CLOSURE_BSDF_WARD_ID:
226
 
                        bsdf_ward_blur(sc, roughness);
227
 
                        break;
228
 
#endif
229
 
                case CLOSURE_BSDF_ASHIKHMIN_VELVET_ID:
230
 
                        bsdf_ashikhmin_velvet_blur(sc, roughness);
231
 
                        break;
232
 
                case CLOSURE_BSDF_WESTIN_BACKSCATTER_ID:
233
 
                        bsdf_westin_backscatter_blur(sc, roughness);
234
 
                        break;
235
 
                case CLOSURE_BSDF_WESTIN_SHEEN_ID:
236
 
                        bsdf_westin_sheen_blur(sc, roughness);
237
 
                        break;
238
 
#endif
239
 
                default:
240
 
                        break;
241
 
        }
242
 
}
243
 
 
244
 
CCL_NAMESPACE_END
245