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/*
* Copyright 2011, Blender Foundation.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <stdlib.h>
#include "background.h"
#include "camera.h"
#include "device.h"
#include "film.h"
#include "filter.h"
#include "integrator.h"
#include "light.h"
#include "shader.h"
#include "mesh.h"
#include "object.h"
#include "particles.h"
#include "scene.h"
#include "svm.h"
#include "osl.h"
#include "util_foreach.h"
#include "util_progress.h"
CCL_NAMESPACE_BEGIN
Scene::Scene(const SceneParams& params_, const DeviceInfo& device_info_)
: params(params_)
{
device = NULL;
memset(&dscene.data, 0, sizeof(dscene.data));
camera = new Camera();
filter = new Filter();
film = new Film();
background = new Background();
light_manager = new LightManager();
mesh_manager = new MeshManager();
object_manager = new ObjectManager();
integrator = new Integrator();
image_manager = new ImageManager();
shader_manager = ShaderManager::create(this);
particle_system_manager = new ParticleSystemManager();
if (device_info_.type == DEVICE_CPU)
image_manager->set_extended_image_limits();
}
Scene::~Scene()
{
if(device) camera->device_free(device, &dscene);
delete camera;
if(device) filter->device_free(device, &dscene);
delete filter;
if(device) film->device_free(device, &dscene);
delete film;
if(device) background->device_free(device, &dscene);
delete background;
if(device) mesh_manager->device_free(device, &dscene);
delete mesh_manager;
if(device) object_manager->device_free(device, &dscene);
delete object_manager;
if(device) integrator->device_free(device, &dscene);
delete integrator;
if(device) shader_manager->device_free(device, &dscene);
delete shader_manager;
if(device) light_manager->device_free(device, &dscene);
delete light_manager;
foreach(Shader *s, shaders)
delete s;
foreach(Mesh *m, meshes)
delete m;
foreach(Object *o, objects)
delete o;
foreach(Light *l, lights)
delete l;
foreach(ParticleSystem *p, particle_systems)
delete p;
if(device) image_manager->device_free(device, &dscene);
delete image_manager;
if(device) particle_system_manager->device_free(device, &dscene);
delete particle_system_manager;
}
void Scene::device_update(Device *device_, Progress& progress)
{
if(!device)
device = device_;
/* The order of updates is important, because there's dependencies between
* the different managers, using data computed by previous managers.
*
* - Background generates shader graph compiled by shader manager.
* - Image manager uploads images used by shaders.
* - Camera may be used for adapative subdivison.
* - Displacement shader must have all shader data available.
* - Light manager needs final mesh data to compute emission CDF.
*/
image_manager->set_pack_images(device->info.pack_images);
progress.set_status("Updating Background");
background->device_update(device, &dscene, this);
if(progress.get_cancel()) return;
progress.set_status("Updating Shaders");
shader_manager->device_update(device, &dscene, this, progress);
if(progress.get_cancel()) return;
progress.set_status("Updating Images");
image_manager->device_update(device, &dscene, progress);
if(progress.get_cancel()) return;
progress.set_status("Updating Camera");
camera->device_update(device, &dscene, this);
if(progress.get_cancel()) return;
progress.set_status("Updating Objects");
object_manager->device_update(device, &dscene, this, progress);
if(progress.get_cancel()) return;
progress.set_status("Updating Meshes");
mesh_manager->device_update(device, &dscene, this, progress);
if(progress.get_cancel()) return;
progress.set_status("Updating Lights");
light_manager->device_update(device, &dscene, this, progress);
if(progress.get_cancel()) return;
progress.set_status("Updating Particle Systems");
particle_system_manager->device_update(device, &dscene, this, progress);
if(progress.get_cancel()) return;
progress.set_status("Updating Filter");
filter->device_update(device, &dscene);
if(progress.get_cancel()) return;
progress.set_status("Updating Film");
film->device_update(device, &dscene);
if(progress.get_cancel()) return;
progress.set_status("Updating Integrator");
integrator->device_update(device, &dscene, this);
if(progress.get_cancel()) return;
progress.set_status("Updating Device", "Writing constant memory");
device->const_copy_to("__data", &dscene.data, sizeof(dscene.data));
}
Scene::MotionType Scene::need_motion()
{
if(integrator->motion_blur)
return MOTION_BLUR;
else if(Pass::contains(film->passes, PASS_MOTION))
return MOTION_PASS;
else
return MOTION_NONE;
}
bool Scene::need_global_attribute(AttributeStandard std)
{
if(std == ATTR_STD_UV)
return Pass::contains(film->passes, PASS_UV);
if(std == ATTR_STD_MOTION_PRE || ATTR_STD_MOTION_POST)
return need_motion() == MOTION_PASS;
return false;
}
void Scene::need_global_attributes(AttributeRequestSet& attributes)
{
for(int std = ATTR_STD_NONE; std < ATTR_STD_NUM; std++)
if(need_global_attribute((AttributeStandard)std))
attributes.add((AttributeStandard)std);
}
bool Scene::need_update()
{
return (need_reset() || film->need_update);
}
bool Scene::need_reset()
{
return (background->need_update
|| image_manager->need_update
|| camera->need_update
|| object_manager->need_update
|| mesh_manager->need_update
|| light_manager->need_update
|| filter->need_update
|| integrator->need_update
|| shader_manager->need_update
|| particle_system_manager->need_update);
}
CCL_NAMESPACE_END
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