Blender V4.5
Classes | Public Types | Public Member Functions | Public Attributes | Protected Member Functions | Protected Attributes | List of all members
LightManager Class Reference

#include <light.h>

Classes

struct  IESSlot

Public Types

enum  : uint32_t {
  MESH_NEED_REBUILD = (1 << 0) , EMISSIVE_MESH_MODIFIED = (1 << 1) , LIGHT_MODIFIED = (1 << 2) , LIGHT_ADDED = (1 << 3) ,
  LIGHT_REMOVED = (1 << 4) , OBJECT_MANAGER = (1 << 5) , SHADER_COMPILED = (1 << 6) , SHADER_MODIFIED = (1 << 7) ,
  UPDATE_ALL = ~0u , UPDATE_NONE = 0u
}

Public Member Functions

 LightManager ()
int add_ies (const string &content)
int add_ies_from_file (const string &filename)
void remove_ies (const int slot)
void device_update (Device *device, DeviceScene *dscene, Scene *scene, Progress &progress)
void device_free (Device *device, DeviceScene *dscene, const bool free_background=true)
void tag_update (Scene *scene, const uint32_t flag)
bool need_update () const
bool has_background_light (Scene *scene)

Public Attributes

bool need_update_background

Protected Member Functions

void test_enabled_lights (Scene *scene)
void device_update_lights (DeviceScene *dscene, Scene *scene)
void device_update_distribution (Device *device, DeviceScene *dscene, Scene *scene, Progress &progress)
void device_update_tree (Device *device, DeviceScene *dscene, Scene *scene, Progress &progress)
void device_update_background (Device *device, DeviceScene *dscene, Scene *scene, Progress &progress)
void device_update_ies (DeviceScene *dscene)

Protected Attributes

vector< unique_ptr< IESSlot > > ies_slots
thread_mutex ies_mutex
bool last_background_enabled
int last_background_resolution
uint32_t update_flags

Detailed Description

Definition at line 85 of file scene/light.h.

Member Enumeration Documentation

◆ anonymous enum

anonymous enum : uint32_t
Enumerator
MESH_NEED_REBUILD 
EMISSIVE_MESH_MODIFIED 
LIGHT_MODIFIED 
LIGHT_ADDED 
LIGHT_REMOVED 
OBJECT_MANAGER 
SHADER_COMPILED 
SHADER_MODIFIED 
UPDATE_ALL 
UPDATE_NONE 

Definition at line 87 of file scene/light.h.

Constructor & Destructor Documentation

◆ LightManager()

LightManager::LightManager ( )

Definition at line 229 of file scene/light.cpp.

References last_background_enabled, last_background_resolution, need_update_background, UPDATE_ALL, and update_flags.

Member Function Documentation

◆ add_ies()

int LightManager::add_ies ( const string & content)

Definition at line 1498 of file scene/light.cpp.

References hash, ies_mutex, ies_slots, need_update_background, UPDATE_ALL, and update_flags.

Referenced by add_ies_from_file().

◆ add_ies_from_file()

int LightManager::add_ies_from_file ( const string & filename)

Definition at line 1486 of file scene/light.cpp.

References add_ies(), and path_read_text().

◆ device_free()

void LightManager::device_free ( Device * device,
DeviceScene * dscene,
const bool free_background = true )

Definition at line 1456 of file scene/light.cpp.

References device_vector< T >::free(), DeviceScene::ies_lights, DeviceScene::light_background_conditional_cdf, DeviceScene::light_background_marginal_cdf, DeviceScene::light_distribution, DeviceScene::light_to_tree, DeviceScene::light_tree_emitters, DeviceScene::light_tree_nodes, DeviceScene::lights, DeviceScene::object_lookup_offset, DeviceScene::object_to_tree, and DeviceScene::triangle_to_tree.

Referenced by device_update().

◆ device_update()

void LightManager::device_update ( Device * device,
DeviceScene * dscene,
Scene * scene,
Progress & progress )

Definition at line 1405 of file scene/light.cpp.

References device_free(), device_update_background(), device_update_distribution(), device_update_ies(), device_update_lights(), device_update_tree(), need_update(), need_update_background, progress, test_enabled_lights(), update_flags, UPDATE_NONE, and Scene::update_stats.

◆ device_update_background()

void LightManager::device_update_background ( Device * device,
DeviceScene * dscene,
Scene * scene,
Progress & progress )
protected

Definition at line 968 of file scene/light.cpp.

References device_vector< T >::alloc(), Scene::background, TextureMapping::compute_transform(), device_vector< T >::copy_to_device(), cosf, DeviceScene::data, divide_up(), ImageHandle::empty(), Background::get_shader(), SkyTextureNode::get_sun_average_radiance(), SkyTextureNode::get_sun_size(), Shader::graph, ImageSlotTextureNode::handle, ImageMetaData::height, i, ShaderNode::input(), LIGHT_BACKGROUND, DeviceScene::light_background_conditional_cdf, DeviceScene::light_background_marginal_cdf, ShaderInput::link, M_PI_2_F, make_float3(), make_float4(), make_int2(), max, ImageHandle::metadata(), NODE_SKY_NISHITA, Scene::objects, ShaderNode::output(), ShaderOutput::parent, progress, shade_background_pixels(), sinf, TextureNode::tex_mapping, time_dt(), transform_direction(), transform_inverse(), Node::type, VLOG_INFO, VLOG_WORK, ImageMetaData::width, float2::x, int2::x, float2::y, and int2::y.

Referenced by device_update().

◆ device_update_distribution()

void LightManager::device_update_distribution ( Device * device,
DeviceScene * dscene,
Scene * scene,
Progress & progress )
protected

Definition at line 335 of file scene/light.cpp.

References device_vector< T >::alloc(), device_vector< T >::copy_to_device(), DeviceScene::data, Scene::default_surface, Shader::emission_sampling, EMISSION_SAMPLING_NONE, device_vector< T >::free(), Mesh::get_triangle(), i, DeviceScene::light_distribution, light_object_shader_flags(), Mesh::num_triangles(), KernelLightDistribution::object_id, OBJECT_NONE, Scene::objects, KernelLightDistribution::prim, Geometry::prim_offset, progress, KernelLightDistribution::shader_flag, KernelLightDistribution::totarea, Geometry::transform_applied, transform_point(), triangle_area(), Object::usable_as_light(), Mesh::Triangle::v, Mesh::Triangle::valid(), and VLOG_INFO.

Referenced by device_update().

◆ device_update_ies()

void LightManager::device_update_ies ( DeviceScene * dscene)
protected

Definition at line 1554 of file scene/light.cpp.

References __int_as_float, device_vector< T >::alloc(), device_vector< T >::copy_to_device(), data, i, DeviceScene::ies_lights, and ies_slots.

Referenced by device_update().

◆ device_update_lights()

void LightManager::device_update_lights ( DeviceScene * dscene,
Scene * scene )
protected

Definition at line 1150 of file scene/light.cpp.

References device_vector< T >::alloc(), angle(), Light::area(), assert, Scene::background, KernelLight::co, device_vector< T >::copy_to_device(), cosf, DeviceScene::data, Scene::default_light, FLT_MAX, fmaxf, fminf, Light::get_shader(), Scene::integrator, inversesqrtf(), len_squared(), LIGHT_AREA, LIGHT_BACKGROUND, LIGHT_DISTANT, light_object_shader_flags(), LIGHT_POINT, LIGHT_SPOT, DeviceScene::lights, M_1_2PI_F, M_1_PI_F, M_PI_F, KernelLight::max_bounces, normalize_len(), KernelLight::object_id, Scene::objects, PATH_RAY_DIFFUSE, PATH_RAY_GLOSSY, PATH_RAY_TRANSMIT, PATH_RAY_VOLUME_SCATTER, powf, safe_normalize(), SHADER_AREA_LIGHT, SHADER_CAST_SHADOW, SHADER_EXCLUDE_DIFFUSE, SHADER_EXCLUDE_GLOSSY, SHADER_EXCLUDE_SCATTER, SHADER_EXCLUDE_TRANSMIT, KernelLight::shader_id, Scene::shader_manager, SHADER_USE_MIS, sinf, sqr(), sqrtf, KernelLight::strength, tanf, transform_get_column(), KernelLight::type, KernelLight::use_caustics, and VLOG_INFO.

Referenced by device_update().

◆ device_update_tree()

void LightManager::device_update_tree ( Device * device,
DeviceScene * dscene,
Scene * scene,
Progress & progress )
protected

Definition at line 820 of file scene/light.cpp.

References device_vector< T >::alloc(), LightTree::build(), device_vector< T >::copy_to_device(), device_vector< T >::data(), DeviceScene::data, LightTreeFlatten::emitters, LightTree::get_emitters(), LightTreeFlatten::light_array, LightTree::light_link_receiver_used, LIGHT_LINK_SET_MAX, DeviceScene::light_to_tree, DeviceScene::light_tree_emitters, light_tree_emitters_copy_and_flatten(), light_tree_flatten(), DeviceScene::light_tree_nodes, light_tree_specialize_nodes_flatten(), LightTreeFlatten::mesh_array, LightTree::num_emitters(), LightTree::num_nodes, LightTree::num_triangles, DeviceScene::object_lookup_offset, LightTreeFlatten::object_lookup_offset, DeviceScene::object_to_tree, Scene::objects, progress, LightTreeFlatten::scene, unique_ptr_vector< T >::size(), LightTreeFlatten::triangle_array, DeviceScene::triangle_to_tree, and VLOG_INFO.

Referenced by device_update().

◆ has_background_light()

bool LightManager::has_background_light ( Scene * scene)

Definition at line 237 of file scene/light.cpp.

References LIGHT_BACKGROUND, and Scene::objects.

◆ need_update()

bool LightManager::need_update ( ) const

Definition at line 1481 of file scene/light.cpp.

References update_flags, and UPDATE_NONE.

Referenced by device_update().

◆ remove_ies()

void LightManager::remove_ies ( const int slot)

Definition at line 1535 of file scene/light.cpp.

References assert, ies_mutex, ies_slots, need_update_background, UPDATE_ALL, and update_flags.

◆ tag_update()

void LightManager::tag_update ( Scene * scene,
const uint32_t flag )

Definition at line 1476 of file scene/light.cpp.

References update_flags.

◆ test_enabled_lights()

void LightManager::test_enabled_lights ( Scene * scene)
protected

Definition at line 252 of file scene/light.cpp.

References Scene::background, Background::get_shader(), Light::has_contribution(), Shader::has_surface_spatial_varying, last_background_enabled, last_background_resolution, LIGHT_BACKGROUND, need_update_background, Scene::objects, and VLOG_INFO.

Referenced by device_update().

Member Data Documentation

◆ ies_mutex

thread_mutex LightManager::ies_mutex
protected

Definition at line 149 of file scene/light.h.

Referenced by add_ies(), and remove_ies().

◆ ies_slots

vector<unique_ptr<IESSlot> > LightManager::ies_slots
protected

Definition at line 148 of file scene/light.h.

Referenced by add_ies(), device_update_ies(), and remove_ies().

◆ last_background_enabled

bool LightManager::last_background_enabled
protected

Definition at line 151 of file scene/light.h.

Referenced by LightManager(), and test_enabled_lights().

◆ last_background_resolution

int LightManager::last_background_resolution
protected

Definition at line 152 of file scene/light.h.

Referenced by LightManager(), and test_enabled_lights().

◆ need_update_background

bool LightManager::need_update_background

Definition at line 104 of file scene/light.h.

Referenced by add_ies(), device_update(), LightManager(), remove_ies(), and test_enabled_lights().

◆ update_flags

uint32_t LightManager::update_flags
protected

Definition at line 154 of file scene/light.h.

Referenced by add_ies(), device_update(), LightManager(), need_update(), remove_ies(), and tag_update().

The documentation for this class was generated from the following files:
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