Blender V4.5
Public Member Functions | Public Attributes | List of all members
ConstantFolder Class Reference

#include <constant_fold.h>

Public Member Functions

 ConstantFolder (ShaderGraph *graph, ShaderNode *node, ShaderOutput *output, Scene *scene)
 
bool all_inputs_constant () const
 
void make_constant (const float value) const
 
void make_constant (const float3 value) const
 
void make_constant (const int value) const
 
void make_constant_clamp (const float value, bool clamp) const
 
void make_constant_clamp (const float3 value, bool clamp) const
 
void make_zero () const
 
void make_one () const
 
void bypass (ShaderOutput *output) const
 
void discard () const
 
void bypass_or_discard (ShaderInput *input) const
 
bool try_bypass_or_make_constant (ShaderInput *input, bool clamp=false) const
 
bool is_zero (ShaderInput *input) const
 
bool is_one (ShaderInput *input) const
 
void fold_mix (NodeMix type, bool clamp) const
 
void fold_mix_color (NodeMix type, bool clamp_factor, bool clamp) const
 
void fold_mix_float (bool clamp_factor, bool clamp) const
 
void fold_math (NodeMathType type) const
 
void fold_vector_math (NodeVectorMathType type) const
 
void fold_mapping (NodeMappingType type) const
 

Public Attributes

ShaderGraph *const graph
 
ShaderNode *const node
 
ShaderOutput *const output
 
Scene * scene
 

Detailed Description

Definition at line 18 of file constant_fold.h.

Constructor & Destructor Documentation

◆ ConstantFolder()

CCL_NAMESPACE_BEGIN ConstantFolder::ConstantFolder ( ShaderGraph * graph,
ShaderNode * node,
ShaderOutput * output,
Scene * scene )

Definition at line 12 of file constant_fold.cpp.

Member Function Documentation

◆ all_inputs_constant()

bool ConstantFolder::all_inputs_constant ( ) const

Definition at line 20 of file constant_fold.cpp.

References input, ShaderNode::inputs, and node.

Referenced by BlackbodyNode::constant_fold(), BrightContrastNode::constant_fold(), ClampNode::constant_fold(), CombineColorNode::constant_fold(), CombineHSVNode::constant_fold(), CombineRGBNode::constant_fold(), CombineXYZNode::constant_fold(), ConvertNode::constant_fold(), CurvesNode::constant_fold(), DisplacementNode::constant_fold(), FloatCurveNode::constant_fold(), GammaNode::constant_fold(), MappingNode::constant_fold(), MathNode::constant_fold(), MixColorNode::constant_fold(), MixFloatNode::constant_fold(), MixNode::constant_fold(), MixVectorNode::constant_fold(), MixVectorNonUniformNode::constant_fold(), RGBRampNode::constant_fold(), RGBToBWNode::constant_fold(), SeparateColorNode::constant_fold(), SeparateHSVNode::constant_fold(), SeparateRGBNode::constant_fold(), SeparateXYZNode::constant_fold(), VectorDisplacementNode::constant_fold(), and VectorMathNode::constant_fold().

◆ bypass()

void ConstantFolder::bypass ( ShaderOutput * output) const

Definition at line 112 of file constant_fold.cpp.

References assert, ShaderGraph::connect(), ShaderGraph::disconnect(), graph, ShaderOutput::links, Node::name, ShaderOutput::name(), node, output, outputs, ShaderOutput::parent, and VLOG_DEBUG.

Referenced by bypass_or_discard(), BumpNode::constant_fold(), ConvertNode::constant_fold(), CurvesNode::constant_fold(), FloatCurveNode::constant_fold(), InvertNode::constant_fold(), and try_bypass_or_make_constant().

◆ bypass_or_discard()

void ConstantFolder::bypass_or_discard ( ShaderInput * input) const

Definition at line 140 of file constant_fold.cpp.

References assert, bypass(), SocketType::CLOSURE, discard(), and input.

Referenced by AddClosureNode::constant_fold(), and MixClosureNode::constant_fold().

◆ discard()

void ConstantFolder::discard ( ) const

Definition at line 131 of file constant_fold.cpp.

References assert, SocketType::CLOSURE, ShaderGraph::disconnect(), graph, Node::name, node, output, ShaderOutput::type(), and VLOG_DEBUG.

Referenced by bypass_or_discard(), BackgroundNode::constant_fold(), and EmissionNode::constant_fold().

◆ fold_mapping()

void ConstantFolder::fold_mapping ( NodeMappingType type) const

Definition at line 573 of file constant_fold.cpp.

References ShaderNode::input(), is_one(), is_zero(), make_zero(), node, NODE_MAPPING_TYPE_NORMAL, NODE_MAPPING_TYPE_VECTOR, and try_bypass_or_make_constant().

Referenced by MappingNode::constant_fold().

◆ fold_math()

void ConstantFolder::fold_math ( NodeMathType type) const

Definition at line 445 of file constant_fold.cpp.

References ShaderNode::input(), is_one(), is_zero(), make_one(), make_zero(), node, NODE_MATH_ADD, NODE_MATH_DIVIDE, NODE_MATH_MULTIPLY, NODE_MATH_POWER, NODE_MATH_SUBTRACT, and try_bypass_or_make_constant().

Referenced by MathNode::constant_fold().

◆ fold_mix()

void ConstantFolder::fold_mix ( NodeMix type,
bool clamp ) const

Definition at line 213 of file constant_fold.cpp.

References clamp(), Node::get_float(), Node::get_float3(), ShaderNode::input(), is_one(), is_zero(), ShaderInput::link, make_zero(), node, NODE_MIX_ADD, NODE_MIX_BLEND, NODE_MIX_BURN, NODE_MIX_DIV, NODE_MIX_DODGE, NODE_MIX_LIGHT, NODE_MIX_MUL, NODE_MIX_SUB, saturatef, ShaderInput::socket_type, and try_bypass_or_make_constant().

Referenced by MixNode::constant_fold().

◆ fold_mix_color()

void ConstantFolder::fold_mix_color ( NodeMix type,
bool clamp_factor,
bool clamp ) const

Definition at line 307 of file constant_fold.cpp.

References clamp(), Node::get_float(), Node::get_float3(), ShaderNode::input(), is_one(), is_zero(), ShaderInput::link, make_zero(), node, NODE_MIX_ADD, NODE_MIX_BLEND, NODE_MIX_BURN, NODE_MIX_DIV, NODE_MIX_DODGE, NODE_MIX_LIGHT, NODE_MIX_MUL, NODE_MIX_SUB, saturatef, ShaderInput::set(), ShaderInput::socket_type, and try_bypass_or_make_constant().

Referenced by MixColorNode::constant_fold(), and MixVectorNode::constant_fold().

◆ fold_mix_float()

void ConstantFolder::fold_mix_float ( bool clamp_factor,
bool clamp ) const

Definition at line 405 of file constant_fold.cpp.

References clamp(), Node::get_float(), ShaderNode::input(), ShaderInput::link, node, saturatef, ShaderInput::socket_type, and try_bypass_or_make_constant().

Referenced by MixFloatNode::constant_fold().

◆ fold_vector_math()

void ConstantFolder::fold_vector_math ( NodeVectorMathType type) const

Definition at line 503 of file constant_fold.cpp.

References ShaderNode::input(), is_one(), is_zero(), make_zero(), node, NODE_VECTOR_MATH_ABSOLUTE, NODE_VECTOR_MATH_ADD, NODE_VECTOR_MATH_CROSS_PRODUCT, NODE_VECTOR_MATH_DIVIDE, NODE_VECTOR_MATH_DOT_PRODUCT, NODE_VECTOR_MATH_LENGTH, NODE_VECTOR_MATH_MULTIPLY, NODE_VECTOR_MATH_SCALE, NODE_VECTOR_MATH_SUBTRACT, and try_bypass_or_make_constant().

Referenced by VectorMathNode::constant_fold().

◆ is_one()

bool ConstantFolder::is_one ( ShaderInput * input) const

Definition at line 197 of file constant_fold.cpp.

References SocketType::FLOAT, Node::get_float(), Node::get_float3(), input, SocketType::is_float3(), node, and one_float3().

Referenced by GammaNode::constant_fold(), fold_mapping(), fold_math(), fold_mix(), fold_mix_color(), and fold_vector_math().

◆ is_zero()

bool ConstantFolder::is_zero ( ShaderInput * input) const

Definition at line 183 of file constant_fold.cpp.

References SocketType::FLOAT, Node::get_float(), Node::get_float3(), input, SocketType::is_float3(), node, and zero_float3().

Referenced by GammaNode::constant_fold(), fold_mapping(), fold_math(), fold_mix(), fold_mix_color(), and fold_vector_math().

◆ make_constant() [1/3]

void ConstantFolder::make_constant ( const float value) const

Definition at line 31 of file constant_fold.cpp.

References ShaderGraph::disconnect(), graph, ShaderOutput::links, Node::name, ShaderOutput::name(), node, output, value, and VLOG_DEBUG.

Referenced by BlackbodyNode::constant_fold(), BrightContrastNode::constant_fold(), ClampNode::constant_fold(), ColorNode::constant_fold(), CombineColorNode::constant_fold(), CombineHSVNode::constant_fold(), CombineRGBNode::constant_fold(), CombineXYZNode::constant_fold(), ConvertNode::constant_fold(), CurvesNode::constant_fold(), FloatCurveNode::constant_fold(), GammaNode::constant_fold(), InvertNode::constant_fold(), MappingNode::constant_fold(), MathNode::constant_fold(), MixFloatNode::constant_fold(), MixVectorNode::constant_fold(), MixVectorNonUniformNode::constant_fold(), RGBRampNode::constant_fold(), RGBToBWNode::constant_fold(), SeparateColorNode::constant_fold(), SeparateHSVNode::constant_fold(), SeparateRGBNode::constant_fold(), SeparateXYZNode::constant_fold(), ValueNode::constant_fold(), VectorMathNode::constant_fold(), make_constant_clamp(), make_constant_clamp(), make_one(), and make_zero().

◆ make_constant() [2/3]

void ConstantFolder::make_constant ( const float3 value) const

Definition at line 44 of file constant_fold.cpp.

References ShaderGraph::disconnect(), graph, ShaderOutput::links, Node::name, ShaderOutput::name(), node, output, value, and VLOG_DEBUG.

◆ make_constant() [3/3]

void ConstantFolder::make_constant ( const int value) const

Definition at line 57 of file constant_fold.cpp.

References ShaderGraph::disconnect(), graph, ShaderOutput::links, Node::name, ShaderOutput::name(), node, output, value, and VLOG_DEBUG.

◆ make_constant_clamp() [1/2]

void ConstantFolder::make_constant_clamp ( const float value,
bool clamp ) const

Definition at line 70 of file constant_fold.cpp.

References clamp(), make_constant(), saturatef, and value.

Referenced by MixColorNode::constant_fold(), MixNode::constant_fold(), and try_bypass_or_make_constant().

◆ make_constant_clamp() [2/2]

void ConstantFolder::make_constant_clamp ( const float3 value,
bool clamp ) const

Definition at line 75 of file constant_fold.cpp.

References clamp(), make_constant(), saturatef, and value.

◆ make_one()

void ConstantFolder::make_one ( ) const

Definition at line 99 of file constant_fold.cpp.

References assert, SocketType::FLOAT, SocketType::is_float3(), make_constant(), one_float3(), output, and ShaderOutput::type().

Referenced by GammaNode::constant_fold(), and fold_math().

◆ make_zero()

void ConstantFolder::make_zero ( ) const

Definition at line 86 of file constant_fold.cpp.

References assert, SocketType::FLOAT, SocketType::is_float3(), make_constant(), output, ShaderOutput::type(), and zero_float3().

Referenced by DisplacementNode::constant_fold(), VectorDisplacementNode::constant_fold(), fold_mapping(), fold_math(), fold_mix(), fold_mix_color(), and fold_vector_math().

◆ try_bypass_or_make_constant()

bool ConstantFolder::try_bypass_or_make_constant ( ShaderInput * input,
bool clamp = false ) const

Definition at line 152 of file constant_fold.cpp.

References bypass(), clamp(), ShaderGraph::disconnect(), SocketType::FLOAT, Node::get_float(), Node::get_float3(), graph, input, ShaderNode::inputs, SocketType::is_float3(), make_constant_clamp(), node, output, and ShaderOutput::type().

Referenced by GammaNode::constant_fold(), fold_mapping(), fold_math(), fold_mix(), fold_mix_color(), fold_mix_float(), and fold_vector_math().

Member Data Documentation

◆ graph

ShaderGraph* const ConstantFolder::graph

Definition at line 20 of file constant_fold.h.

Referenced by bypass(), BumpNode::constant_fold(), discard(), make_constant(), make_constant(), make_constant(), and try_bypass_or_make_constant().

◆ node

ShaderNode* const ConstantFolder::node

Definition at line 21 of file constant_fold.h.

Referenced by all_inputs_constant(), bypass(), discard(), fold_mapping(), fold_math(), fold_mix(), fold_mix_color(), fold_mix_float(), fold_vector_math(), is_one(), is_zero(), make_constant(), make_constant(), make_constant(), and try_bypass_or_make_constant().

◆ output

ShaderOutput* const ConstantFolder::output

Definition at line 22 of file constant_fold.h.

Referenced by bypass(), RGBRampNode::constant_fold(), SeparateColorNode::constant_fold(), SeparateHSVNode::constant_fold(), SeparateRGBNode::constant_fold(), SeparateXYZNode::constant_fold(), VectorMathNode::constant_fold(), discard(), make_constant(), make_constant(), make_constant(), make_one(), make_zero(), and try_bypass_or_make_constant().

◆ scene

Scene* ConstantFolder::scene

Definition at line 24 of file constant_fold.h.

Referenced by BlackbodyNode::constant_fold(), ConvertNode::constant_fold(), and RGBToBWNode::constant_fold().

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