379 lines
11 KiB
C++
379 lines
11 KiB
C++
/*
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* Copyright 2011-2013 Blender Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdlib.h>
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#include "render/background.h"
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#include "render/bake.h"
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#include "render/camera.h"
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#include "render/curves.h"
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#include "device/device.h"
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#include "render/film.h"
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#include "render/integrator.h"
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#include "render/light.h"
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#include "render/mesh.h"
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#include "render/object.h"
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#include "render/osl.h"
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#include "render/particles.h"
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#include "render/scene.h"
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#include "render/shader.h"
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#include "render/svm.h"
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#include "render/tables.h"
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#include "util/util_foreach.h"
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#include "util/util_guarded_allocator.h"
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#include "util/util_logging.h"
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#include "util/util_progress.h"
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CCL_NAMESPACE_BEGIN
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DeviceScene::DeviceScene(Device *device)
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: bvh_nodes(device, "__bvh_nodes"),
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bvh_leaf_nodes(device, "__bvh_leaf_nodes"),
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object_node(device, "__object_node"),
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prim_tri_index(device, "__prim_tri_index"),
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prim_tri_verts(device, "__prim_tri_verts"),
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prim_type(device, "__prim_type"),
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prim_visibility(device, "__prim_visibility"),
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prim_index(device, "__prim_index"),
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prim_object(device, "__prim_object"),
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prim_time(device, "__prim_time"),
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tri_shader(device, "__tri_shader"),
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tri_vnormal(device, "__tri_vnormal"),
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tri_vindex(device, "__tri_vindex"),
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tri_patch(device, "__tri_patch"),
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tri_patch_uv(device, "__tri_patch_uv"),
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curves(device, "__curves"),
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curve_keys(device, "__curve_keys"),
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patches(device, "__patches"),
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objects(device, "__objects"),
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objects_vector(device, "__objects_vector"),
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attributes_map(device, "__attributes_map"),
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attributes_float(device, "__attributes_float"),
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attributes_float3(device, "__attributes_float3"),
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attributes_uchar4(device, "__attributes_uchar4"),
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light_distribution(device, "__light_distribution"),
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light_data(device, "__light_data"),
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light_background_marginal_cdf(device, "__light_background_marginal_cdf"),
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light_background_conditional_cdf(device, "__light_background_conditional_cdf"),
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particles(device, "__particles"),
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svm_nodes(device, "__svm_nodes"),
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shader_flag(device, "__shader_flag"),
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object_flag(device, "__object_flag"),
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lookup_table(device, "__lookup_table"),
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sobol_directions(device, "__sobol_directions")
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{
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memset(&data, 0, sizeof(data));
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}
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Scene::Scene(const SceneParams& params_, Device *device)
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: device(device), dscene(device), params(params_)
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{
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memset(&dscene.data, 0, sizeof(dscene.data));
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camera = new Camera();
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lookup_tables = new LookupTables();
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film = new Film();
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background = new Background();
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light_manager = new LightManager();
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mesh_manager = new MeshManager();
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object_manager = new ObjectManager();
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integrator = new Integrator();
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image_manager = new ImageManager(device->info);
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particle_system_manager = new ParticleSystemManager();
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curve_system_manager = new CurveSystemManager();
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bake_manager = new BakeManager();
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/* OSL only works on the CPU */
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if(device->info.has_osl)
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shader_manager = ShaderManager::create(this, params.shadingsystem);
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else
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shader_manager = ShaderManager::create(this, SHADINGSYSTEM_SVM);
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}
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Scene::~Scene()
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{
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free_memory(true);
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}
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void Scene::free_memory(bool final)
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{
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foreach(Shader *s, shaders)
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delete s;
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foreach(Mesh *m, meshes)
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delete m;
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foreach(Object *o, objects)
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delete o;
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foreach(Light *l, lights)
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delete l;
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foreach(ParticleSystem *p, particle_systems)
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delete p;
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shaders.clear();
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meshes.clear();
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objects.clear();
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lights.clear();
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particle_systems.clear();
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if(device) {
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camera->device_free(device, &dscene, this);
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film->device_free(device, &dscene, this);
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background->device_free(device, &dscene);
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integrator->device_free(device, &dscene);
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object_manager->device_free(device, &dscene);
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mesh_manager->device_free(device, &dscene);
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shader_manager->device_free(device, &dscene, this);
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light_manager->device_free(device, &dscene);
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particle_system_manager->device_free(device, &dscene);
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curve_system_manager->device_free(device, &dscene);
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bake_manager->device_free(device, &dscene);
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if(!params.persistent_data || final)
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image_manager->device_free(device);
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else
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image_manager->device_free_builtin(device);
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lookup_tables->device_free(device, &dscene);
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}
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if(final) {
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delete lookup_tables;
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delete camera;
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delete film;
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delete background;
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delete integrator;
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delete object_manager;
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delete mesh_manager;
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delete shader_manager;
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delete light_manager;
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delete particle_system_manager;
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delete curve_system_manager;
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delete image_manager;
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delete bake_manager;
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}
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}
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void Scene::device_update(Device *device_, Progress& progress)
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{
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if(!device)
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device = device_;
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bool print_stats = need_data_update();
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/* The order of updates is important, because there's dependencies between
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* the different managers, using data computed by previous managers.
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*
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* - Image manager uploads images used by shaders.
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* - Camera may be used for adaptive subdivision.
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* - Displacement shader must have all shader data available.
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* - Light manager needs lookup tables and final mesh data to compute emission CDF.
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* - Film needs light manager to run for use_light_visibility
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* - Lookup tables are done a second time to handle film tables
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*/
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progress.set_status("Updating Shaders");
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shader_manager->device_update(device, &dscene, this, progress);
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if(progress.get_cancel() || device->have_error()) return;
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progress.set_status("Updating Background");
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background->device_update(device, &dscene, this);
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if(progress.get_cancel() || device->have_error()) return;
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progress.set_status("Updating Camera");
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camera->device_update(device, &dscene, this);
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if(progress.get_cancel() || device->have_error()) return;
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progress.set_status("Updating Meshes Flags");
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mesh_manager->device_update_flags(device, &dscene, this, progress);
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if(progress.get_cancel() || device->have_error()) return;
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progress.set_status("Updating Objects");
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object_manager->device_update(device, &dscene, this, progress);
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if(progress.get_cancel() || device->have_error()) return;
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progress.set_status("Updating Meshes");
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mesh_manager->device_update(device, &dscene, this, progress);
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if(progress.get_cancel() || device->have_error()) return;
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progress.set_status("Updating Objects Flags");
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object_manager->device_update_flags(device, &dscene, this, progress);
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if(progress.get_cancel() || device->have_error()) return;
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progress.set_status("Updating Images");
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image_manager->device_update(device, this, progress);
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if(progress.get_cancel() || device->have_error()) return;
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progress.set_status("Updating Camera Volume");
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camera->device_update_volume(device, &dscene, this);
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if(progress.get_cancel() || device->have_error()) return;
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progress.set_status("Updating Hair Systems");
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curve_system_manager->device_update(device, &dscene, this, progress);
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if(progress.get_cancel() || device->have_error()) return;
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progress.set_status("Updating Lookup Tables");
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lookup_tables->device_update(device, &dscene);
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if(progress.get_cancel() || device->have_error()) return;
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progress.set_status("Updating Lights");
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light_manager->device_update(device, &dscene, this, progress);
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if(progress.get_cancel() || device->have_error()) return;
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progress.set_status("Updating Particle Systems");
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particle_system_manager->device_update(device, &dscene, this, progress);
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if(progress.get_cancel() || device->have_error()) return;
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progress.set_status("Updating Integrator");
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integrator->device_update(device, &dscene, this);
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if(progress.get_cancel() || device->have_error()) return;
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progress.set_status("Updating Film");
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film->device_update(device, &dscene, this);
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if(progress.get_cancel() || device->have_error()) return;
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progress.set_status("Updating Lookup Tables");
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lookup_tables->device_update(device, &dscene);
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if(progress.get_cancel() || device->have_error()) return;
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progress.set_status("Updating Baking");
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bake_manager->device_update(device, &dscene, this, progress);
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if(progress.get_cancel() || device->have_error()) return;
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if(device->have_error() == false) {
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progress.set_status("Updating Device", "Writing constant memory");
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device->const_copy_to("__data", &dscene.data, sizeof(dscene.data));
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}
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if(print_stats) {
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size_t mem_used = util_guarded_get_mem_used();
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size_t mem_peak = util_guarded_get_mem_peak();
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VLOG(1) << "System memory statistics after full device sync:\n"
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<< " Usage: " << string_human_readable_number(mem_used)
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<< " (" << string_human_readable_size(mem_used) << ")\n"
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<< " Peak: " << string_human_readable_number(mem_peak)
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<< " (" << string_human_readable_size(mem_peak) << ")";
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}
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}
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Scene::MotionType Scene::need_motion(bool advanced_shading)
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{
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if(integrator->motion_blur)
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return (advanced_shading)? MOTION_BLUR: MOTION_NONE;
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else if(Pass::contains(film->passes, PASS_MOTION))
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return MOTION_PASS;
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else
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return MOTION_NONE;
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}
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float Scene::motion_shutter_time()
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{
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if(need_motion() == Scene::MOTION_PASS)
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return 2.0f;
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else
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return camera->shuttertime;
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}
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bool Scene::need_global_attribute(AttributeStandard std)
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{
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if(std == ATTR_STD_UV)
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return Pass::contains(film->passes, PASS_UV);
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else if(std == ATTR_STD_MOTION_VERTEX_POSITION)
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return need_motion() != MOTION_NONE;
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else if(std == ATTR_STD_MOTION_VERTEX_NORMAL)
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return need_motion() == MOTION_BLUR;
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return false;
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}
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void Scene::need_global_attributes(AttributeRequestSet& attributes)
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{
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for(int std = ATTR_STD_NONE; std < ATTR_STD_NUM; std++)
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if(need_global_attribute((AttributeStandard)std))
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attributes.add((AttributeStandard)std);
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}
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bool Scene::need_update()
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{
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return (need_reset() || film->need_update);
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}
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bool Scene::need_data_update()
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{
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return (background->need_update
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|| image_manager->need_update
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|| object_manager->need_update
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|| mesh_manager->need_update
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|| light_manager->need_update
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|| lookup_tables->need_update
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|| integrator->need_update
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|| shader_manager->need_update
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|| particle_system_manager->need_update
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|| curve_system_manager->need_update
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|| bake_manager->need_update
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|| film->need_update);
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}
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bool Scene::need_reset()
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{
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return need_data_update() || camera->need_update;
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}
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void Scene::reset()
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{
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shader_manager->reset(this);
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shader_manager->add_default(this);
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/* ensure all objects are updated */
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camera->tag_update();
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film->tag_update(this);
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background->tag_update(this);
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integrator->tag_update(this);
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object_manager->tag_update(this);
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mesh_manager->tag_update(this);
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light_manager->tag_update(this);
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particle_system_manager->tag_update(this);
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curve_system_manager->tag_update(this);
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}
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void Scene::device_free()
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{
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free_memory(false);
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}
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CCL_NAMESPACE_END
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