light.cpp File Reference

#include "device/device.h"
#include "scene/background.h"
#include "scene/film.h"
#include "scene/integrator.h"
#include "scene/light.h"
#include "scene/light_tree.h"
#include "scene/mesh.h"
#include "scene/object.h"
#include "scene/scene.h"
#include "scene/shader.h"
#include "scene/shader_graph.h"
#include "scene/shader_nodes.h"
#include "scene/stats.h"
#include "integrator/shader_eval.h"
#include "util/foreach.h"
#include "util/hash.h"
#include "util/log.h"
#include "util/path.h"
#include "util/progress.h"
#include "util/task.h"
#include <stack>

Go to the source code of this file.

Classes
struct	LightTreeFlatten

Functions
static CCL_NAMESPACE_BEGIN void	shade_background_pixels (Device *device, DeviceScene *dscene, int width, int height, vector< float3 > &pixels, Progress &progress)
	NODE_DEFINE (Light)
static void	light_tree_node_copy_to_device (KernelLightTreeNode &knode, const LightTreeNode &node, const int left_child, const int right_child)
static int	light_tree_flatten (LightTreeFlatten &flatten, const LightTreeNode *node, KernelLightTreeNode *knodes, KernelLightTreeEmitter *kemitters, int &next_node_index)
static void	light_tree_leaf_emitters_copy_and_flatten (LightTreeFlatten &flatten, const LightTreeNode &node, KernelLightTreeNode *knodes, KernelLightTreeEmitter *kemitters, int &next_node_index)
static void	light_tree_emitters_copy_and_flatten (LightTreeFlatten &flatten, const LightTreeNode *node, KernelLightTreeNode *knodes, KernelLightTreeEmitter *kemitters, int &next_node_index)
static std::pair< int, LightTreeMeasure >	light_tree_specialize_nodes_flatten (const LightTreeFlatten &flatten, LightTreeNode *node, const uint64_t light_link_mask, const int depth, vector< KernelLightTreeNode > &knodes, int &next_node_index)
static void	background_cdf (int start, int end, int res_x, int res_y, const vector< float3 > *pixels, float2 *cond_cdf)

Function Documentation

background_cdf()

void background_cdf ( int start, int end, int res_x, int res_y, const vector< float3 > * pixels, float2 * cond_cdf )

static

Definition at line 904 of file scene/light.cpp.

References average(), fabs(), M_PI_F, sin_theta(), sinf, float2::x, and float2::y.

light_tree_emitters_copy_and_flatten()

void light_tree_emitters_copy_and_flatten ( LightTreeFlatten & flatten, const LightTreeNode * node, KernelLightTreeNode * knodes, KernelLightTreeEmitter * kemitters, int & next_node_index )

static

Definition at line 666 of file scene/light.cpp.

References LightTreeNode::Inner::children, LightTreeNode::get_inner(), LightTreeNode::is_distant(), LightTreeNode::is_inner(), LightTreeNode::is_leaf(), LightTree::left, light_tree_emitters_copy_and_flatten(), light_tree_leaf_emitters_copy_and_flatten(), and LightTree::right.

Referenced by LightManager::device_update_tree(), and light_tree_emitters_copy_and_flatten().

light_tree_flatten()

int light_tree_flatten ( LightTreeFlatten & flatten, const LightTreeNode * node, KernelLightTreeNode * knodes, KernelLightTreeEmitter * kemitters, int & next_node_index )

static

Definition at line 631 of file scene/light.cpp.

References LightTreeNode::Inner::children, LightTreeNode::get_inner(), LightTreeNode::is_distant(), LightTreeNode::is_inner(), LightTreeNode::is_instance(), LightTreeNode::is_leaf(), LightTree::left, light_tree_flatten(), light_tree_leaf_emitters_copy_and_flatten(), light_tree_node_copy_to_device(), and LightTree::right.

Referenced by LightManager::device_update_tree(), light_tree_flatten(), and light_tree_leaf_emitters_copy_and_flatten().

light_tree_leaf_emitters_copy_and_flatten()

void light_tree_leaf_emitters_copy_and_flatten ( LightTreeFlatten & flatten, const LightTreeNode & node, KernelLightTreeNode * knodes, KernelLightTreeEmitter * kemitters, int & next_node_index )

static

Definition at line 534 of file scene/light.cpp.

References LightTreeMeasure::bcone, KernelLightTreeEmitter::bit_trail, KernelLightTreeNode::bit_trail, LightTreeNode::bit_trail, KernelLightTreeEmitter::emission_sampling, Shader::emission_sampling, LightTreeFlatten::emitters, KernelLightTreeEmitter::energy, LightTreeMeasure::energy, LightTreeNode::Leaf::first_emitter_index, LightTreeNode::get_leaf(), LightTreeNode::get_reference(), KernelLightTreeEmitter::id, KernelLightTreeNode::instance, LightTreeFlatten::instances, LightTreeEmitter::is_light(), LightTreeEmitter::is_mesh(), LightTreeEmitter::is_triangle(), KernelLightTreeEmitter::light, LightTreeFlatten::light_array, LightTreeEmitter::light_id, light_tree_flatten(), LIGHT_TREE_INSTANCE, LightTreeEmitter::measure, KernelLightTreeEmitter::mesh, LightTreeFlatten::mesh_array, KernelLightTreeEmitter::mesh_light, KernelLightTreeEmitter::node_id, KernelLightTreeEmitter::object_id, LightTreeEmitter::object_id, LightTreeFlatten::object_lookup_offset, OBJECT_NONE, Scene::objects, PATH_RAY_CAMERA, PATH_RAY_DIFFUSE, PATH_RAY_GLOSSY, PATH_RAY_TRANSMIT, PATH_RAY_VOLUME_SCATTER, LightTreeEmitter::prim_id, Geometry::prim_offset, KernelLightTreeNode::reference, LightTreeEmitter::root, LightTreeFlatten::scene, SHADER_EXCLUDE_CAMERA, SHADER_EXCLUDE_DIFFUSE, SHADER_EXCLUDE_GLOSSY, SHADER_EXCLUDE_SCATTER, SHADER_EXCLUDE_SHADOW_CATCHER, SHADER_EXCLUDE_TRANSMIT, KernelLightTreeEmitter::theta_e, OrientationBounds::theta_e, KernelLightTreeEmitter::theta_o, OrientationBounds::theta_o, KernelLightTreeEmitter::triangle, LightTreeFlatten::triangle_array, LightTreeNode::type, and LightTreeNode::variant_type.

Referenced by light_tree_emitters_copy_and_flatten(), and light_tree_flatten().

light_tree_node_copy_to_device()

void light_tree_node_copy_to_device ( KernelLightTreeNode & knode, const LightTreeNode & node, const int left_child, const int right_child )

static

Definition at line 498 of file scene/light.cpp.

References OrientationBounds::axis, KernelLightTreeNode::bbox, LightTreeMeasure::bbox, KernelLightTreeNode::bcone, LightTreeMeasure::bcone, KernelLightTreeNode::bit_skip, KernelLightTreeNode::bit_trail, LightTreeNode::bit_trail, KernelLightTreeNode::energy, LightTreeMeasure::energy, KernelLightTreeNode::first_emitter, LightTreeNode::Leaf::first_emitter_index, LightTreeNode::get_leaf(), KernelLightTreeNode::inner, LightTreeNode::is_distant(), LightTreeNode::is_inner(), LightTreeNode::is_leaf(), KernelLightTreeNode::leaf, KernelLightTreeNode::left_child, BoundBox::max, LightTreeNode::measure, BoundBox::min, KernelLightTreeNode::num_emitters, LightTreeNode::Leaf::num_emitters, KernelLightTreeNode::right_child, OrientationBounds::theta_e, OrientationBounds::theta_o, KernelLightTreeNode::type, and LightTreeNode::type.

Referenced by light_tree_flatten(), and light_tree_specialize_nodes_flatten().

light_tree_specialize_nodes_flatten()

std::pair< int, LightTreeMeasure > light_tree_specialize_nodes_flatten ( const LightTreeFlatten & flatten, LightTreeNode * node, const uint64_t light_link_mask, const int depth, vector< KernelLightTreeNode > & knodes, int & next_node_index )

static

Definition at line 692 of file scene/light.cpp.

References LightTreeMeasure::add(), LightTreeNode::bit_trail, LightTreeNode::Inner::children, LightTreeFlatten::emitters, LightTreeMeasure::empty, LightTreeNode::Leaf::first_emitter_index, LightTreeNode::get_inner(), LightTreeNode::get_leaf(), LightTreeNode::is_distant(), LightTreeNode::is_inner(), LightTreeNode::is_instance(), LightTreeNode::is_leaf(), LightTree::left, LightTreeNode::light_link, LightTreeEmitter::light_set_membership, light_tree_node_copy_to_device(), light_tree_specialize_nodes_flatten(), LightTreeNode::make_distant(), LightTreeNode::make_leaf(), LightTreeEmitter::measure, LightTreeNode::measure, LightTree::right, LightTreeLightLink::set_membership, LightTreeLightLink::shareable, and LightTreeLightLink::shared_node_index.

Referenced by LightManager::device_update_tree(), and light_tree_specialize_nodes_flatten().

NODE_DEFINE()

NODE_DEFINE

(

Light

)

Definition at line 88 of file scene/light.cpp.

References NodeType::add(), angle(), NodeEnum::insert(), LIGHT_AREA, LIGHT_BACKGROUND, LIGHT_DISTANT, LIGHT_LINK_MASK_ALL, LIGHT_POINT, LIGHT_SPOT, M_PI_F, normalize(), one_float3(), size(), SOCKET_BOOLEAN, SOCKET_COLOR, SOCKET_ENUM, SOCKET_FLOAT, SOCKET_INT, SOCKET_NODE, SOCKET_STRING, SOCKET_TRANSFORM, SOCKET_UINT, SOCKET_UINT64, and transform_identity().

shade_background_pixels()

CCL_NAMESPACE_BEGIN void shade_background_pixels ( Device * device, DeviceScene * dscene, int width, int height, vector< float3 > & pixels, Progress & progress )

static

Definition at line 32 of file scene/light.cpp.

References Device::const_copy_to(), device_vector< T >::data(), DeviceScene::data, ShaderEval::eval(), KernelShaderEvalInput::object, OBJECT_NONE, KernelShaderEvalInput::prim, PRIM_NONE, SHADER_EVAL_BACKGROUND, size(), KernelShaderEvalInput::u, KernelShaderEvalInput::v, v, x, and y.

Referenced by LightManager::device_update_background().