6d014a91a9ceb76430d5e9cc3440b719ba40af6c
[blender-staging.git] / intern / cycles / blender / blender_sync.cpp
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 "background.h"
20 #include "film.h"
21 #include "../render/filter.h"
22 #include "graph.h"
23 #include "integrator.h"
24 #include "light.h"
25 #include "mesh.h"
26 #include "nodes.h"
27 #include "object.h"
28 #include "scene.h"
29 #include "shader.h"
30
31 #include "device.h"
32
33 #include "blender_sync.h"
34 #include "blender_util.h"
35
36 #include "util_debug.h"
37 #include "util_foreach.h"
38
39 CCL_NAMESPACE_BEGIN
40
41 /* Constructor */
42
43 BlenderSync::BlenderSync(BL::BlendData b_data_, BL::Scene b_scene_, Scene *scene_, bool preview_)
44 : b_data(b_data_), b_scene(b_scene_),
45   shader_map(&scene_->shaders),
46   object_map(&scene_->objects),
47   mesh_map(&scene_->meshes),
48   light_map(&scene_->lights),
49   particle_system_map(&scene_->particle_systems),
50   world_map(NULL),
51   world_recalc(false),
52   experimental(false)
53 {
54         scene = scene_;
55         preview = preview_;
56 }
57
58 BlenderSync::~BlenderSync()
59 {
60 }
61
62 /* Sync */
63
64 bool BlenderSync::sync_recalc()
65 {
66         /* sync recalc flags from blender to cycles. actual update is done separate,
67          * so we can do it later on if doing it immediate is not suitable */
68
69         BL::BlendData::materials_iterator b_mat;
70
71         for(b_data.materials.begin(b_mat); b_mat != b_data.materials.end(); ++b_mat)
72                 if(b_mat->is_updated() || (b_mat->node_tree() && b_mat->node_tree().is_updated()))
73                         shader_map.set_recalc(*b_mat);
74
75         BL::BlendData::lamps_iterator b_lamp;
76
77         for(b_data.lamps.begin(b_lamp); b_lamp != b_data.lamps.end(); ++b_lamp)
78                 if(b_lamp->is_updated() || (b_lamp->node_tree() && b_lamp->node_tree().is_updated()))
79                         shader_map.set_recalc(*b_lamp);
80
81         BL::BlendData::objects_iterator b_ob;
82
83         for(b_data.objects.begin(b_ob); b_ob != b_data.objects.end(); ++b_ob) {
84                 if(b_ob->is_updated()) {
85                         object_map.set_recalc(*b_ob);
86                         light_map.set_recalc(*b_ob);
87                 }
88
89                 if(object_is_mesh(*b_ob)) {
90                         if(b_ob->is_updated_data() || b_ob->data().is_updated()) {
91                                 BL::ID key = BKE_object_is_modified(*b_ob)? *b_ob: b_ob->data();
92                                 mesh_map.set_recalc(key);
93                         }
94                 }
95                 else if(object_is_light(*b_ob)) {
96                         if(b_ob->is_updated_data() || b_ob->data().is_updated())
97                                 light_map.set_recalc(*b_ob);
98                 }
99                 
100                 if(b_ob->is_updated_data()) {
101                         BL::Object::particle_systems_iterator b_psys;
102                         for (b_ob->particle_systems.begin(b_psys); b_psys != b_ob->particle_systems.end(); ++b_psys)
103                                 particle_system_map.set_recalc(*b_ob);
104                 }
105         }
106
107         BL::BlendData::meshes_iterator b_mesh;
108
109         for(b_data.meshes.begin(b_mesh); b_mesh != b_data.meshes.end(); ++b_mesh)
110                 if(b_mesh->is_updated())
111                         mesh_map.set_recalc(*b_mesh);
112
113         BL::BlendData::worlds_iterator b_world;
114
115         for(b_data.worlds.begin(b_world); b_world != b_data.worlds.end(); ++b_world) {
116                 if(world_map == b_world->ptr.data &&
117                    (b_world->is_updated() || (b_world->node_tree() && b_world->node_tree().is_updated())))
118                 {
119                         world_recalc = true;
120                 }
121         }
122
123         bool recalc =
124                 shader_map.has_recalc() ||
125                 object_map.has_recalc() ||
126                 light_map.has_recalc() ||
127                 mesh_map.has_recalc() ||
128                 particle_system_map.has_recalc() ||
129                 BlendDataObjects_is_updated_get(&b_data.ptr) ||
130                 world_recalc;
131
132         return recalc;
133 }
134
135 void BlenderSync::sync_data(BL::SpaceView3D b_v3d, BL::Object b_override, const char *layer)
136 {
137         sync_render_layers(b_v3d, layer);
138         sync_integrator();
139         sync_film();
140         sync_shaders();
141         sync_objects(b_v3d);
142         sync_particle_systems();
143         sync_motion(b_v3d, b_override);
144 }
145
146 /* Integrator */
147
148 void BlenderSync::sync_integrator()
149 {
150         PointerRNA cscene = RNA_pointer_get(&b_scene.ptr, "cycles");
151
152         experimental = (RNA_enum_get(&cscene, "feature_set") != 0);
153
154         Integrator *integrator = scene->integrator;
155         Integrator previntegrator = *integrator;
156
157         integrator->min_bounce = get_int(cscene, "min_bounces");
158         integrator->max_bounce = get_int(cscene, "max_bounces");
159
160         integrator->max_diffuse_bounce = get_int(cscene, "diffuse_bounces");
161         integrator->max_glossy_bounce = get_int(cscene, "glossy_bounces");
162         integrator->max_transmission_bounce = get_int(cscene, "transmission_bounces");
163
164         integrator->transparent_max_bounce = get_int(cscene, "transparent_max_bounces");
165         integrator->transparent_min_bounce = get_int(cscene, "transparent_min_bounces");
166         integrator->transparent_shadows = get_boolean(cscene, "use_transparent_shadows");
167
168         integrator->no_caustics = get_boolean(cscene, "no_caustics");
169         integrator->filter_glossy = get_float(cscene, "blur_glossy");
170
171         integrator->seed = get_int(cscene, "seed");
172
173         integrator->layer_flag = render_layer.layer;
174
175         integrator->sample_clamp = get_float(cscene, "sample_clamp");
176 #ifdef __MOTION__
177         integrator->motion_blur = (!preview && r.use_motion_blur());
178 #endif
179
180         integrator->diffuse_samples = get_int(cscene, "diffuse_samples");
181         integrator->glossy_samples = get_int(cscene, "glossy_samples");
182         integrator->transmission_samples = get_int(cscene, "transmission_samples");
183         integrator->ao_samples = get_int(cscene, "ao_samples");
184         integrator->mesh_light_samples = get_int(cscene, "mesh_light_samples");
185         integrator->progressive = get_boolean(cscene, "progressive");
186
187         if(integrator->modified(previntegrator))
188                 integrator->tag_update(scene);
189 }
190
191 /* Film */
192
193 void BlenderSync::sync_film()
194 {
195         PointerRNA cscene = RNA_pointer_get(&b_scene.ptr, "cycles");
196
197         Film *film = scene->film;
198         Film prevfilm = *film;
199
200         film->exposure = get_float(cscene, "film_exposure");
201
202         if(film->modified(prevfilm))
203                 film->tag_update(scene);
204
205         Filter *filter = scene->filter;
206         Filter prevfilter = *filter;
207
208         filter->filter_type = (FilterType)RNA_enum_get(&cscene, "filter_type");
209         filter->filter_width = (filter->filter_type == FILTER_BOX)? 1.0f: get_float(cscene, "filter_width");
210
211         if(filter->modified(prevfilter))
212                 filter->tag_update(scene);
213 }
214
215 /* Render Layer */
216
217 void BlenderSync::sync_render_layers(BL::SpaceView3D b_v3d, const char *layer)
218 {
219         string layername;
220
221         /* 3d view */
222         if(b_v3d) {
223                 PointerRNA cscene = RNA_pointer_get(&b_scene.ptr, "cycles");
224
225                 if(RNA_boolean_get(&cscene, "preview_active_layer")) {
226                         BL::RenderLayers layers(b_scene.render().ptr);
227                         layername = layers.active().name();
228                         layer = layername.c_str();
229                 }
230                 else {
231                         render_layer.use_localview = (b_v3d.local_view() ? true : false);
232                         render_layer.scene_layer = get_layer(b_v3d.layers(), b_v3d.layers_local_view());
233                         CYCLES_LOCAL_LAYER_HACK(render_layer.use_localview, render_layer.scene_layer);
234                         render_layer.layer = render_layer.scene_layer;
235                         render_layer.holdout_layer = 0;
236                         render_layer.material_override = PointerRNA_NULL;
237                         render_layer.use_background = true;
238                         render_layer.use_viewport_visibility = true;
239                         render_layer.samples = 0;
240                         return;
241                 }
242         }
243
244         /* render layer */
245         BL::RenderSettings r = b_scene.render();
246         BL::RenderSettings::layers_iterator b_rlay;
247         bool first_layer = true;
248
249         for(r.layers.begin(b_rlay); b_rlay != r.layers.end(); ++b_rlay) {
250                 if((!layer && first_layer) || (layer && b_rlay->name() == layer)) {
251                         render_layer.name = b_rlay->name();
252                         render_layer.scene_layer = get_layer(b_scene.layers()) & ~get_layer(b_rlay->layers_exclude());
253                         render_layer.layer = get_layer(b_rlay->layers());
254                         render_layer.holdout_layer = get_layer(b_rlay->layers_zmask());
255                         render_layer.layer |= render_layer.holdout_layer;
256                         render_layer.material_override = b_rlay->material_override();
257                         render_layer.use_background = b_rlay->use_sky();
258                         render_layer.use_viewport_visibility = false;
259                         render_layer.use_localview = false;
260                         render_layer.samples = b_rlay->samples();
261                 }
262
263                 first_layer = false;
264         }
265 }
266
267 /* Scene Parameters */
268
269 SceneParams BlenderSync::get_scene_params(BL::Scene b_scene, bool background)
270 {
271         SceneParams params;
272         PointerRNA cscene = RNA_pointer_get(&b_scene.ptr, "cycles");
273         int shadingsystem = RNA_enum_get(&cscene, "shading_system");
274
275         if(shadingsystem == 0)
276                 params.shadingsystem = SceneParams::SVM;
277         else if(shadingsystem == 1)
278                 params.shadingsystem = SceneParams::OSL;
279         
280         if(background)
281                 params.bvh_type = SceneParams::BVH_STATIC;
282         else
283                 params.bvh_type = (SceneParams::BVHType)RNA_enum_get(&cscene, "debug_bvh_type");
284
285         params.use_bvh_spatial_split = RNA_boolean_get(&cscene, "debug_use_spatial_splits");
286         params.use_bvh_cache = (background)? RNA_boolean_get(&cscene, "use_cache"): false;
287
288         return params;
289 }
290
291 /* Session Parameters */
292
293 bool BlenderSync::get_session_pause(BL::Scene b_scene, bool background)
294 {
295         PointerRNA cscene = RNA_pointer_get(&b_scene.ptr, "cycles");
296         return (background)? false: get_boolean(cscene, "preview_pause");
297 }
298
299 SessionParams BlenderSync::get_session_params(BL::UserPreferences b_userpref, BL::Scene b_scene, bool background)
300 {
301         SessionParams params;
302         PointerRNA cscene = RNA_pointer_get(&b_scene.ptr, "cycles");
303
304         /* feature set */
305         params.experimental = (RNA_enum_get(&cscene, "feature_set") != 0);
306
307         /* device type */
308         vector<DeviceInfo>& devices = Device::available_devices();
309         
310         /* device default CPU */
311         params.device = devices[0];
312
313         if(RNA_enum_get(&cscene, "device") != 0) {
314                 /* find GPU device with given id */
315                 PointerRNA systemptr = b_userpref.system().ptr;
316                 PropertyRNA *deviceprop = RNA_struct_find_property(&systemptr, "compute_device");
317                 int device_id = b_userpref.system().compute_device();
318
319                 const char *id;
320
321                 if(RNA_property_enum_identifier(NULL, &systemptr, deviceprop, device_id, &id)) {
322                         foreach(DeviceInfo& info, devices)
323                                 if(info.id == id)
324                                         params.device = info;
325                 }
326         }
327
328         /* Background */
329         params.background = background;
330
331         /* samples */
332         if(get_boolean(cscene, "progressive")) {
333                 if(background) {
334                         params.samples = get_int(cscene, "samples");
335                 }
336                 else {
337                         params.samples = get_int(cscene, "preview_samples");
338                         if(params.samples == 0)
339                                 params.samples = INT_MAX;
340                 }
341         }
342         else {
343                 if(background) {
344                         params.samples = get_int(cscene, "aa_samples");
345                 }
346                 else {
347                         params.samples = get_int(cscene, "preview_aa_samples");
348                         if(params.samples == 0)
349                                 params.samples = INT_MAX;
350                 }
351         }
352
353         /* other parameters */
354         params.threads = b_scene.render().threads();
355         params.tile_size = get_int(cscene, "debug_tile_size");
356         params.min_size = get_int(cscene, "debug_min_size");
357         params.cancel_timeout = get_float(cscene, "debug_cancel_timeout");
358         params.reset_timeout = get_float(cscene, "debug_reset_timeout");
359         params.text_timeout = get_float(cscene, "debug_text_timeout");
360
361         if(background) {
362                 params.progressive = true;
363                 params.min_size = INT_MAX;
364         }
365         else
366                 params.progressive = true;
367         
368         /* todo: multi device only works with single tiles now */
369         if(params.device.type == DEVICE_MULTI)
370                 params.tile_size = INT_MAX;
371
372         return params;
373 }
374
375 CCL_NAMESPACE_END
376