901b1a09f9729bba69f627fb5c67d44b4e003f82
[blender.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   world_map(NULL),
50   world_recalc(false),
51   experimental(false)
52 {
53         scene = scene_;
54         preview = preview_;
55 }
56
57 BlenderSync::~BlenderSync()
58 {
59 }
60
61 /* Sync */
62
63 bool BlenderSync::sync_recalc()
64 {
65         /* sync recalc flags from blender to cycles. actual update is done separate,
66            so we can do it later on if doing it immediate is not suitable */
67
68         BL::BlendData::materials_iterator b_mat;
69
70         for(b_data.materials.begin(b_mat); b_mat != b_data.materials.end(); ++b_mat)
71                 if(b_mat->is_updated() || (b_mat->node_tree() && b_mat->node_tree().is_updated()))
72                         shader_map.set_recalc(*b_mat);
73
74         BL::BlendData::lamps_iterator b_lamp;
75
76         for(b_data.lamps.begin(b_lamp); b_lamp != b_data.lamps.end(); ++b_lamp)
77                 if(b_lamp->is_updated() || (b_lamp->node_tree() && b_lamp->node_tree().is_updated()))
78                         shader_map.set_recalc(*b_lamp);
79
80         BL::BlendData::objects_iterator b_ob;
81
82         for(b_data.objects.begin(b_ob); b_ob != b_data.objects.end(); ++b_ob) {
83                 if(b_ob->is_updated()) {
84                         object_map.set_recalc(*b_ob);
85                         light_map.set_recalc(*b_ob);
86                 }
87
88                 if(object_is_mesh(*b_ob)) {
89                         if(b_ob->is_updated_data() || b_ob->data().is_updated()) {
90                                 BL::ID key = object_is_modified(*b_ob)? *b_ob: b_ob->data();
91                                 mesh_map.set_recalc(key);
92                         }
93                 }
94                 else if(object_is_light(*b_ob)) {
95                         if(b_ob->is_updated_data() || b_ob->data().is_updated())
96                                 light_map.set_recalc(*b_ob);
97                 }
98         }
99
100         BL::BlendData::meshes_iterator b_mesh;
101
102         for(b_data.meshes.begin(b_mesh); b_mesh != b_data.meshes.end(); ++b_mesh)
103                 if(b_mesh->is_updated())
104                         mesh_map.set_recalc(*b_mesh);
105
106         BL::BlendData::worlds_iterator b_world;
107
108         for(b_data.worlds.begin(b_world); b_world != b_data.worlds.end(); ++b_world)
109                 if(world_map == b_world->ptr.data &&
110                         (b_world->is_updated() || (b_world->node_tree() && b_world->node_tree().is_updated())))
111                         world_recalc = true;
112
113         bool recalc =
114                 shader_map.has_recalc() ||
115                 object_map.has_recalc() ||
116                 light_map.has_recalc() ||
117                 mesh_map.has_recalc() ||
118                 BlendDataObjects_is_updated_get(&b_data.ptr) ||
119                 world_recalc;
120
121         return recalc;
122 }
123
124 void BlenderSync::sync_data(BL::SpaceView3D b_v3d, const char *layer)
125 {
126         sync_render_layers(b_v3d, layer);
127         sync_integrator();
128         sync_film();
129         sync_shaders();
130         sync_objects(b_v3d);
131 }
132
133 /* Integrator */
134
135 void BlenderSync::sync_integrator()
136 {
137         PointerRNA cscene = RNA_pointer_get(&b_scene.ptr, "cycles");
138
139         experimental = (RNA_enum_get(&cscene, "feature_set") != 0);
140
141         Integrator *integrator = scene->integrator;
142         Integrator previntegrator = *integrator;
143
144         integrator->min_bounce = get_int(cscene, "min_bounces");
145         integrator->max_bounce = get_int(cscene, "max_bounces");
146
147         integrator->max_diffuse_bounce = get_int(cscene, "diffuse_bounces");
148         integrator->max_glossy_bounce = get_int(cscene, "glossy_bounces");
149         integrator->max_transmission_bounce = get_int(cscene, "transmission_bounces");
150
151         integrator->transparent_max_bounce = get_int(cscene, "transparent_max_bounces");
152         integrator->transparent_min_bounce = get_int(cscene, "transparent_min_bounces");
153         integrator->transparent_shadows = get_boolean(cscene, "use_transparent_shadows");
154
155         integrator->no_caustics = get_boolean(cscene, "no_caustics");
156         integrator->seed = get_int(cscene, "seed");
157
158         integrator->layer_flag = render_layer.layer;
159
160         if(integrator->modified(previntegrator))
161                 integrator->tag_update(scene);
162 }
163
164 /* Film */
165
166 void BlenderSync::sync_film()
167 {
168         PointerRNA cscene = RNA_pointer_get(&b_scene.ptr, "cycles");
169
170         Film *film = scene->film;
171         Film prevfilm = *film;
172
173         film->exposure = get_float(cscene, "film_exposure");
174
175         if(film->modified(prevfilm))
176                 film->tag_update(scene);
177
178         Filter *filter = scene->filter;
179         Filter prevfilter = *filter;
180
181         filter->filter_type = (FilterType)RNA_enum_get(&cscene, "filter_type");
182         filter->filter_width = (filter->filter_type == FILTER_BOX)? 1.0f: get_float(cscene, "filter_width");
183
184         if(filter->modified(prevfilter))
185                 filter->tag_update(scene);
186 }
187
188 /* Render Layer */
189
190 void BlenderSync::sync_render_layers(BL::SpaceView3D b_v3d, const char *layer)
191 {
192         if(b_v3d) {
193                 render_layer.scene_layer = get_layer(b_v3d.layers());
194                 render_layer.layer = render_layer.scene_layer;
195                 render_layer.material_override = PointerRNA_NULL;
196         }
197         else {
198                 BL::RenderSettings r = b_scene.render();
199                 BL::RenderSettings::layers_iterator b_rlay;
200                 bool first_layer = true;
201
202                 for(r.layers.begin(b_rlay); b_rlay != r.layers.end(); ++b_rlay) {
203                         if((!layer && first_layer) || (layer && b_rlay->name() == layer)) {
204                                 render_layer.name = b_rlay->name();
205                                 render_layer.scene_layer = get_layer(b_scene.layers());
206                                 render_layer.layer = get_layer(b_rlay->layers());
207                                 render_layer.holdout_layer = get_layer(b_rlay->layers_zmask());
208                                 render_layer.material_override = b_rlay->material_override();
209                         }
210
211                         first_layer = false;
212                 }
213         }
214 }
215
216 /* Scene Parameters */
217
218 SceneParams BlenderSync::get_scene_params(BL::Scene b_scene, bool background)
219 {
220         SceneParams params;
221         PointerRNA cscene = RNA_pointer_get(&b_scene.ptr, "cycles");
222         int shadingsystem = RNA_enum_get(&cscene, "shading_system");
223
224         if(shadingsystem == 0)
225                 params.shadingsystem = SceneParams::SVM;
226         else if(shadingsystem == 1)
227                 params.shadingsystem = SceneParams::OSL;
228         
229         if(background)
230                 params.bvh_type = SceneParams::BVH_STATIC;
231         else
232                 params.bvh_type = (SceneParams::BVHType)RNA_enum_get(&cscene, "debug_bvh_type");
233
234         params.use_bvh_spatial_split = RNA_boolean_get(&cscene, "debug_use_spatial_splits");
235         params.use_bvh_cache = (background)? RNA_boolean_get(&cscene, "use_cache"): false;
236
237         return params;
238 }
239
240 /* Session Parameters */
241
242 bool BlenderSync::get_session_pause(BL::Scene b_scene, bool background)
243 {
244         PointerRNA cscene = RNA_pointer_get(&b_scene.ptr, "cycles");
245         return (background)? false: get_boolean(cscene, "preview_pause");
246 }
247
248 SessionParams BlenderSync::get_session_params(BL::UserPreferences b_userpref, BL::Scene b_scene, bool background)
249 {
250         SessionParams params;
251         PointerRNA cscene = RNA_pointer_get(&b_scene.ptr, "cycles");
252
253         /* feature set */
254         params.experimental = (RNA_enum_get(&cscene, "feature_set") != 0);
255
256         /* device type */
257         vector<DeviceInfo>& devices = Device::available_devices();
258         
259         /* device default CPU */
260         params.device = devices[0];
261
262         if(RNA_enum_get(&cscene, "device") != 0) {
263                 /* find GPU device with given id */
264                 PointerRNA systemptr = b_userpref.system().ptr;
265                 PropertyRNA *deviceprop = RNA_struct_find_property(&systemptr, "compute_device");
266                 int device_id = b_userpref.system().compute_device();
267
268                 const char *id;
269
270                 if(RNA_property_enum_identifier(NULL, &systemptr, deviceprop, device_id, &id)) {
271                         foreach(DeviceInfo& info, devices)
272                                 if(info.id == id)
273                                         params.device = info;
274                 }
275         }
276
277         /* Background */
278         params.background = background;
279                         
280         /* samples */
281         if(background) {
282                 params.samples = get_int(cscene, "samples");
283         }
284         else {
285                 params.samples = get_int(cscene, "preview_samples");
286                 if(params.samples == 0)
287                         params.samples = INT_MAX;
288         }
289
290         /* other parameters */
291         params.threads = b_scene.render().threads();
292         params.tile_size = get_int(cscene, "debug_tile_size");
293         params.min_size = get_int(cscene, "debug_min_size");
294         params.cancel_timeout = get_float(cscene, "debug_cancel_timeout");
295         params.reset_timeout = get_float(cscene, "debug_reset_timeout");
296         params.text_timeout = get_float(cscene, "debug_text_timeout");
297
298         if(background) {
299                 params.progressive = true;
300                 params.min_size = INT_MAX;
301         }
302         else
303                 params.progressive = true;
304         
305         /* todo: multi device only works with single tiles now */
306         if(params.device.type == DEVICE_MULTI)
307                 params.tile_size = INT_MAX;
308
309         return params;
310 }
311
312 CCL_NAMESPACE_END
313