Blender V5.0
Public Member Functions | Public Attributes | Protected Types | Protected Member Functions | List of all members
ShaderGraph Class Reference

#include <shader_graph.h>

Inherits NodeOwner.

Public Member Functions

 ShaderGraph ()
 ~ShaderGraph () override
OutputNode * output ()
void connect (ShaderOutput *from, ShaderInput *to)
void disconnect (ShaderOutput *from)
void disconnect (ShaderInput *to)
void relink (ShaderInput *from, ShaderInput *to)
void relink (ShaderOutput *from, ShaderOutput *to)
void relink (ShaderNode *node, ShaderOutput *from, ShaderOutput *to)
void remove_proxy_nodes ()
void compute_displacement_hash ()
void simplify (Scene *scene)
void finalize (Scene *scene, bool do_bump=false, bool bump_in_object_space=false)
int get_num_closures ()
void dump_graph (const char *filename)
template<typename T, typename... Args>
T * create_node (Args &&...args)
template<typename T, typename... Args>
T * create_osl_node (void *node_memory, Args &&...args)
ShaderNode * create_node (const NodeType *node_type)
Public Member Functions inherited from NodeOwner
virtual ~NodeOwner ()

Public Attributes

unique_ptr_vector< ShaderNode > nodes
size_t num_node_ids
bool finalized
bool simplified
string displacement_hash

Protected Types

using NodePair = pair<ShaderNode *const, ShaderNode *>

Protected Member Functions

void add_node (unique_ptr< ShaderNode > &&node)
void find_dependencies (ShaderNodeSet &dependencies, ShaderInput *input)
void clear_nodes ()
void copy_nodes (ShaderNodeSet &nodes, ShaderNodeMap &nnodemap)
void break_cycles (ShaderNode *node, vector< bool > &visited, vector< bool > &on_stack)
void bump_from_displacement (bool use_object_space)
void refine_bump_nodes ()
void expand ()
void default_inputs (bool do_osl)
void transform_multi_closure (ShaderNode *node, ShaderOutput *weight_out, bool volume)
void clean (Scene *scene)
void constant_fold (Scene *scene)
void simplify_settings (Scene *scene)
void deduplicate_nodes ()
void optimize_volume_output ()

Detailed Description

Definition at line 315 of file shader_graph.h.

Member Typedef Documentation

◆ NodePair

using ShaderGraph::NodePair = pair<ShaderNode *const, ShaderNode *>
protected

Definition at line 373 of file shader_graph.h.

Constructor & Destructor Documentation

◆ ShaderGraph()

ShaderGraph::ShaderGraph ( )

Definition at line 218 of file shader_graph.cpp.

References create_node(), finalized, num_node_ids, and simplified.

◆ ~ShaderGraph()

ShaderGraph::~ShaderGraph ( )
override

Definition at line 226 of file shader_graph.cpp.

References clear_nodes().

Member Function Documentation

◆ add_node()

void ShaderGraph::add_node ( unique_ptr< ShaderNode > && node)
protected

Definition at line 231 of file shader_graph.cpp.

References assert, finalized, nodes, num_node_ids, and simplified.

Referenced by create_node(), create_node(), and create_osl_node().

◆ break_cycles()

void ShaderGraph::break_cycles ( ShaderNode * node,
vector< bool > & visited,
vector< bool > & on_stack )
protected

Definition at line 741 of file shader_graph.cpp.

References break_cycles(), disconnect(), ShaderNode::id, input, ShaderNode::inputs, and LOG_WARNING.

Referenced by break_cycles(), and clean().

◆ bump_from_displacement()

void ShaderGraph::bump_from_displacement ( bool use_object_space)
protected

Definition at line 1003 of file shader_graph.cpp.

References connect(), copy_nodes(), create_node(), find_dependencies(), input, ShaderNode::input(), ShaderInput::link, NODE_VECTOR_MATH_DOT_PRODUCT, out, output(), ShaderNode::output(), SHADER_BUMP_CENTER, SHADER_BUMP_DX, and SHADER_BUMP_DY.

Referenced by finalize().

◆ clean()

void ShaderGraph::clean ( Scene * scene)
protected

Definition at line 799 of file shader_graph.cpp.

References break_cycles(), constant_fold(), deduplicate_nodes(), i, ShaderInput::link, ShaderOutput::links, nodes, num_node_ids, optimize_volume_output(), output(), unique_ptr_vector< T >::push_back(), SHADER_SPECIAL_TYPE_OUTPUT_AOV, and simplify_settings().

Referenced by simplify().

◆ clear_nodes()

void ShaderGraph::clear_nodes ( )
protected

Definition at line 416 of file shader_graph.cpp.

References nodes.

Referenced by ~ShaderGraph().

◆ compute_displacement_hash()

void ShaderGraph::compute_displacement_hash ( )

Definition at line 765 of file shader_graph.cpp.

References MD5Hash::append(), OSLNode::bytecode_hash, displacement_hash, find_dependencies(), MD5Hash::get_hex(), input, ShaderNode::input(), ShaderInput::link, output(), and SHADER_SPECIAL_TYPE_OSL.

◆ connect()

void ShaderGraph::connect ( ShaderOutput * from,
ShaderInput * to )

Definition at line 246 of file shader_graph.cpp.

References assert, SocketType::CLOSURE, connect(), create_node(), finalized, SocketType::FLOAT, EmissionNode::from_auto_conversion, ShaderInput::link, ShaderOutput::links, LOG_WARNING, Node::name, ShaderInput::name(), ShaderOutput::name(), one_float3(), ShaderInput::parent, ShaderOutput::parent, ShaderInput::type(), and ShaderOutput::type().

Referenced by add_nodes_inlined(), bump_from_displacement(), connect(), constant_fold(), copy_nodes(), default_inputs(), MapRangeNode::expand(), MathNode::expand(), refine_bump_nodes(), relink(), relink(), relink(), and transform_multi_closure().

◆ constant_fold()

void ShaderGraph::constant_fold ( Scene * scene)
protected

Definition at line 531 of file shader_graph.cpp.

References connect(), ShaderNode::constant_fold(), create_node(), input, ShaderNode::input(), ShaderInput::link, nodes, output(), ShaderNode::output(), ShaderNode::outputs, and Node::set_value().

Referenced by clean().

◆ copy_nodes()

void ShaderGraph::copy_nodes ( ShaderNodeSet & nodes,
ShaderNodeMap & nnodemap )
protected

Definition at line 421 of file shader_graph.cpp.

References ShaderNode::clone(), connect(), input, ShaderNode::input(), nodes, and ShaderNode::output().

Referenced by bump_from_displacement(), and refine_bump_nodes().

◆ create_node() [1/2]

template<typename T, typename... Args>
T * ShaderGraph::create_node ( Args &&... args)
inline

Definition at line 345 of file shader_graph.h.

References add_node(), and T.

Referenced by add_node(), add_nodes_inlined(), bump_from_displacement(), EnvironmentTextureNode::clone(), IESLightNode::clone(), ImageTextureNode::clone(), connect(), BumpNode::constant_fold(), constant_fold(), default_inputs(), MapRangeNode::expand(), MathNode::expand(), VolumeInfoNode::expand(), ShaderGraph(), CCL_NAMESPACE_BEGIN::ShaderNodeBuilder< T >::ShaderNodeBuilder(), and transform_multi_closure().

◆ create_node() [2/2]

ShaderNode * ShaderGraph::create_node ( const NodeType * node_type)
inline

Definition at line 363 of file shader_graph.h.

References add_node(), and NodeType::create.

◆ create_osl_node()

template<typename T, typename... Args>
T * ShaderGraph::create_osl_node ( void * node_memory,
Args &&... args )
inline

Definition at line 354 of file shader_graph.h.

References add_node(), and T.

Referenced by OSLNode::create().

◆ deduplicate_nodes()

void ShaderGraph::deduplicate_nodes ( )
protected

Definition at line 598 of file shader_graph.cpp.

References ShaderNode::equals(), i, input, LOG_TRACE, NodeType::name, nodes, output(), ShaderNode::outputs, relink(), unique_ptr_vector< T >::size(), and Node::type.

Referenced by clean().

◆ default_inputs()

void ShaderGraph::default_inputs ( bool do_osl)
protected

Definition at line 862 of file shader_graph.cpp.

References connect(), create_node(), i, input, ShaderNode::input(), ShaderNode::inputs, SocketType::LINK_INCOMING, SocketType::LINK_NORMAL, SocketType::LINK_POSITION, SocketType::LINK_TANGENT, SocketType::LINK_TEXTURE_GENERATED, SocketType::LINK_TEXTURE_INCOMING, SocketType::LINK_TEXTURE_NORMAL, SocketType::LINK_TEXTURE_UV, NODE_VECTOR_TRANSFORM_CONVERT_SPACE_OBJECT, NODE_VECTOR_TRANSFORM_CONVERT_SPACE_WORLD, NODE_VECTOR_TRANSFORM_TYPE_NORMAL, nodes, SocketType::OSL_INTERNAL, and ShaderNode::output().

Referenced by simplify().

◆ disconnect() [1/2]

void ShaderGraph::disconnect ( ShaderInput * to)

Definition at line 306 of file shader_graph.cpp.

References assert, ShaderInput::disconnect(), finalized, ShaderInput::link, and simplified.

◆ disconnect() [2/2]

void ShaderGraph::disconnect ( ShaderOutput * from)

Definition at line 298 of file shader_graph.cpp.

References assert, ShaderOutput::disconnect(), finalized, and simplified.

Referenced by break_cycles(), optimize_volume_output(), refine_bump_nodes(), relink(), relink(), relink(), remove_proxy_nodes(), and transform_multi_closure().

◆ dump_graph()

void ShaderGraph::dump_graph ( const char * filename)

Definition at line 1227 of file shader_graph.cpp.

References input, LOG_ERROR, ShaderInput::name(), ShaderOutput::name(), nodes, output(), SHADER_BUMP_CENTER, SHADER_BUMP_DX, and SHADER_BUMP_DY.

◆ expand()

void ShaderGraph::expand ( )
protected

Definition at line 851 of file shader_graph.cpp.

References ShaderNode::expand(), i, and nodes.

Referenced by simplify().

◆ finalize()

void ShaderGraph::finalize ( Scene * scene,
bool do_bump = false,
bool bump_in_object_space = false )

Definition at line 372 of file shader_graph.cpp.

References bump_from_displacement(), finalized, ShaderNode::input(), ShaderInput::link, output(), ShaderOutput::parent, simplify(), and transform_multi_closure().

◆ find_dependencies()

void ShaderGraph::find_dependencies ( ShaderNodeSet & dependencies,
ShaderInput * input )
protected

Definition at line 402 of file shader_graph.cpp.

References find_dependencies(), in, input, and ShaderNode::inputs.

Referenced by bump_from_displacement(), compute_displacement_hash(), find_dependencies(), and refine_bump_nodes().

◆ get_num_closures()

int ShaderGraph::get_num_closures ( )

Definition at line 1189 of file shader_graph.cpp.

References CLOSURE_BSDF_F82_CONDUCTOR, CLOSURE_BSDF_HAIR_CHIANG_ID, CLOSURE_BSDF_HAIR_HUANG_ID, CLOSURE_BSDF_MICROFACET_BECKMANN_GLASS_ID, CLOSURE_BSDF_MICROFACET_GGX_GLASS_ID, CLOSURE_BSDF_PHYSICAL_CONDUCTOR, CLOSURE_IS_BSDF_MULTISCATTER, CLOSURE_IS_BSSRDF, CLOSURE_IS_PRINCIPLED, CLOSURE_IS_VOLUME, CLOSURE_NONE_ID, MAX_VOLUME_STACK_SIZE, and nodes.

◆ optimize_volume_output()

void ShaderGraph::optimize_volume_output ( )
protected

Definition at line 677 of file shader_graph.cpp.

References disconnect(), input, ShaderNode::input(), ShaderInput::link, LOG_IS_ON, LOG_LEVEL_TRACE, LOG_TRACE, nodes, output(), ShaderOutput::parent, and AttributeNode::stochastic_sample.

Referenced by clean().

◆ output()

OutputNode * ShaderGraph::output ( )

Definition at line 241 of file shader_graph.cpp.

References nodes.

Referenced by add_nodes_inlined(), bump_from_displacement(), clean(), SVMCompiler::compile_type(), compute_displacement_hash(), constant_fold(), deduplicate_nodes(), dump_graph(), finalize(), optimize_volume_output(), and remove_proxy_nodes().

◆ refine_bump_nodes()

void ShaderGraph::refine_bump_nodes ( )
protected

Definition at line 944 of file shader_graph.cpp.

References ShaderNode::bump, ShaderNode::bump_filter_width, connect(), copy_nodes(), disconnect(), find_dependencies(), i, ShaderNode::input(), ShaderInput::link, nodes, out, SHADER_BUMP_CENTER, SHADER_BUMP_DX, SHADER_BUMP_DY, SHADER_SPECIAL_TYPE_BUMP, and ShaderNode::special_type.

Referenced by simplify().

◆ relink() [1/3]

void ShaderGraph::relink ( ShaderInput * from,
ShaderInput * to )

Definition at line 315 of file shader_graph.cpp.

References connect(), Node::copy_value(), disconnect(), ShaderInput::link, out, ShaderInput::parent, and ShaderInput::socket_type.

Referenced by deduplicate_nodes(), MapRangeNode::expand(), MathNode::expand(), VolumeInfoNode::expand(), and remove_proxy_nodes().

◆ relink() [2/3]

void ShaderGraph::relink ( ShaderNode * node,
ShaderOutput * from,
ShaderOutput * to )

Definition at line 338 of file shader_graph.cpp.

References connect(), disconnect(), ShaderNode::inputs, ShaderInput::link, ShaderOutput::links, outputs, and simplified.

◆ relink() [3/3]

void ShaderGraph::relink ( ShaderOutput * from,
ShaderOutput * to )

Definition at line 325 of file shader_graph.cpp.

References connect(), disconnect(), ShaderOutput::links, and outputs.

◆ remove_proxy_nodes()

void ShaderGraph::remove_proxy_nodes ( )

Definition at line 457 of file shader_graph.cpp.

References Node::copy_value(), SocketType::DEFAULT_LINK_MASK, disconnect(), i, ShaderNode::id, input, ShaderNode::inputs, nodes, num_node_ids, output(), ShaderNode::outputs, unique_ptr_vector< T >::push_back(), relink(), SHADER_SPECIAL_TYPE_AUTOCONVERT, SHADER_SPECIAL_TYPE_PROXY, and ShaderNode::special_type.

◆ simplify()

void ShaderGraph::simplify ( Scene * scene)

Definition at line 360 of file shader_graph.cpp.

References clean(), default_inputs(), expand(), refine_bump_nodes(), Scene::shader_manager, and simplified.

Referenced by finalize().

◆ simplify_settings()

void ShaderGraph::simplify_settings ( Scene * scene)
protected

Definition at line 590 of file shader_graph.cpp.

References nodes.

Referenced by clean().

◆ transform_multi_closure()

void ShaderGraph::transform_multi_closure ( ShaderNode * node,
ShaderOutput * weight_out,
bool volume )
protected

Definition at line 1099 of file shader_graph.cpp.

References connect(), create_node(), disconnect(), Node::get_float(), ShaderNode::input(), ShaderInput::link, ShaderNode::output(), ShaderOutput::parent, Node::set(), SHADER_SPECIAL_TYPE_COMBINE_CLOSURE, ShaderInput::socket_type, ShaderNode::special_type, and transform_multi_closure().

Referenced by finalize(), and transform_multi_closure().

Member Data Documentation

◆ displacement_hash

string ShaderGraph::displacement_hash

Definition at line 321 of file shader_graph.h.

Referenced by compute_displacement_hash().

◆ finalized

bool ShaderGraph::finalized

Definition at line 319 of file shader_graph.h.

Referenced by add_node(), connect(), disconnect(), disconnect(), finalize(), and ShaderGraph().

◆ nodes

unique_ptr_vector<ShaderNode> ShaderGraph::nodes

Definition at line 317 of file shader_graph.h.

Referenced by add_node(), clean(), clear_nodes(), SVMCompiler::compile_type(), SVMCompiler::CompilerState::CompilerState(), constant_fold(), copy_nodes(), deduplicate_nodes(), default_inputs(), dump_graph(), expand(), SVMCompiler::find_aov_nodes_and_dependencies(), ShaderManager::get_graph_kernel_features(), get_num_closures(), optimize_volume_output(), output(), refine_bump_nodes(), remove_proxy_nodes(), and simplify_settings().

◆ num_node_ids

size_t ShaderGraph::num_node_ids

Definition at line 318 of file shader_graph.h.

Referenced by add_node(), clean(), remove_proxy_nodes(), and ShaderGraph().

◆ simplified

bool ShaderGraph::simplified

Definition at line 320 of file shader_graph.h.

Referenced by add_node(), disconnect(), disconnect(), relink(), ShaderGraph(), and simplify().

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