#include <svm.h>

Classes
struct	Summary
struct	Stack
struct	CompilerState

Public Member Functions
	SVMCompiler (Scene *scene)
void	compile (Shader shader, array< int4 > &svm_nodes, const int index, Summary summary=nullptr)
int	stack_assign (ShaderOutput *output)
int	stack_assign (ShaderInput *input)
bool	is_linked (ShaderInput *input)
int	stack_assign_if_linked (ShaderInput *input)
int	stack_assign_if_linked (ShaderOutput *output)
int	stack_assign_if_not_equal (ShaderInput *input, const float value)
int	stack_assign_if_not_equal (ShaderInput *input, const float3 value)
int	stack_find_offset (const int size)
int	stack_find_offset (SocketType::Type type)
void	stack_clear_offset (SocketType::Type type, const int offset)
void	stack_link (ShaderInput input, ShaderOutput output)
void	add_node (ShaderNodeType type, const int a=0, const int b=0, const int c=0)
void	add_node (const int a=0, const int b=0, const int c=0, const int d=0)
void	add_node (ShaderNodeType type, const float3 &f)
void	add_node (const float4 &f)
uint	attribute (ustring name)
uint	attribute (AttributeStandard std)
uint	attribute_standard (ustring name)
uint	encode_uchar4 (const uint x, const uint y=0, const uint z=0, const uint w=0)
uint	closure_mix_weight_offset ()
uint	get_bump_state_offset ()
ShaderType	output_type ()

Public Attributes
Scene *	scene
ShaderGraph *	current_graph
bool	background

Protected Member Functions
void	stack_clear_temporary (ShaderNode *node)
int	stack_size (SocketType::Type type)
void	stack_clear_users (ShaderNode *node, ShaderNodeSet &done)
void	find_dependencies (ShaderNodeSet &dependencies, const ShaderNodeSet &done, ShaderInput input, ShaderNode skip_node=nullptr)
void	find_aov_nodes_and_dependencies (ShaderNodeSet &aov_nodes, ShaderGraph graph, CompilerState state)
void	generate_node (ShaderNode *node, ShaderNodeSet &done)
void	generate_aov_node (ShaderNode node, CompilerState state)
void	generate_closure_node (ShaderNode node, CompilerState state)
void	generated_shared_closure_nodes (ShaderNode root_node, ShaderNode node, CompilerState *state, const ShaderNodeSet &shared)
void	generate_svm_nodes (const ShaderNodeSet &nodes, CompilerState *state)
void	generate_multi_closure (ShaderNode root_node, ShaderNode node, CompilerState *state)
void	compile_type (Shader shader, ShaderGraph graph, ShaderType type)

Protected Attributes
std::atomic_int *	svm_node_types_used
array< int4 >	current_svm_nodes
ShaderType	current_type
Shader *	current_shader
Stack	active_stack
int	max_stack_use
uint	mix_weight_offset
uint	bump_state_offset
bool	compile_failed

Detailed Description

Definition at line 48 of file scene/svm.h.

Constructor & Destructor Documentation

◆ SVMCompiler()

SVMCompiler::SVMCompiler ( Scene * scene )

Definition at line 152 of file svm.cpp.

References background, bump_state_offset, compile_failed, current_graph, current_shader, current_type, max_stack_use, mix_weight_offset, scene, SHADER_TYPE_SURFACE, svm_node_types_used, and SVM_STACK_INVALID.

Member Function Documentation

◆ add_node() [1/4]

void SVMCompiler::add_node ( const float4 & f )

Definition at line 419 of file svm.cpp.

References __float_as_int, current_svm_nodes, make_int4(), float4::w, float4::x, float4::y, and float4::z.

◆ add_node() [2/4]

void SVMCompiler::add_node	(	const int	a = 0,
		const int	b = 0,
		const int	c = 0,
		const int	d = 0 )

Definition at line 401 of file svm.cpp.

References b, current_svm_nodes, and make_int4().

◆ add_node() [3/4]

void SVMCompiler::add_node	(	ShaderNodeType	type,
		const float3 &	f )

Definition at line 412 of file svm.cpp.

References __float_as_int, current_svm_nodes, make_int4(), svm_node_types_used, float3::x, float3::y, and float3::z.

◆ add_node() [4/4]

void SVMCompiler::add_node	(	ShaderNodeType	type,
		const int	a = 0,
		const int	b = 0,
		const int	c = 0 )

Definition at line 406 of file svm.cpp.

References b, current_svm_nodes, make_int4(), and svm_node_types_used.

Referenced by BsdfNode::compile(), CurvesNode::compile(), TextureMapping::compile(), VolumeNode::compile(), compile_type(), and stack_assign().

◆ attribute() [1/2]

uint SVMCompiler::attribute ( AttributeStandard std )

Definition at line 430 of file svm.cpp.

References scene.

◆ attribute() [2/2]

uint SVMCompiler::attribute ( ustring name )

Definition at line 425 of file svm.cpp.

References name, and scene.

Referenced by attribute_standard().

◆ attribute_standard()

uint SVMCompiler::attribute_standard ( ustring name )

Definition at line 435 of file svm.cpp.

References attribute(), name, and Attribute::name_standard().

◆ closure_mix_weight_offset()

uint SVMCompiler::closure_mix_weight_offset ( )

inline

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

References mix_weight_offset.

Referenced by BsdfNode::compile(), and VolumeNode::compile().

◆ compile()

void SVMCompiler::compile	(	Shader *	shader,
		array< int4 > &	svm_nodes,
		const int	index,
		Summary *	summary = nullptr )

◆ compile_type()

void SVMCompiler::compile_type	(	Shader *	shader,
		ShaderGraph *	graph,
		ShaderType	type )

protected

◆ encode_uchar4()

uint SVMCompiler::encode_uchar4	(	const uint	x,
		const uint	y = 0,
		const uint	z = 0,
		const uint	w = 0 )

Definition at line 391 of file svm.cpp.

References assert, w(), x, y, and z().

Referenced by BsdfNode::compile(), CurvesNode::compile(), TextureMapping::compile(), and VolumeNode::compile().

◆ find_aov_nodes_and_dependencies()

void SVMCompiler::find_aov_nodes_and_dependencies	(	ShaderNodeSet &	aov_nodes,
		ShaderGraph *	graph,
		CompilerState *	state )

protected

Definition at line 580 of file svm.cpp.

References find_dependencies(), in, ShaderNode::inputs, ShaderGraph::nodes, OutputAOVNode::offset, SHADER_SPECIAL_TYPE_OUTPUT_AOV, ShaderNode::special_type, and state.

Referenced by compile_type().

◆ find_dependencies()

void SVMCompiler::find_dependencies	(	ShaderNodeSet &	dependencies,
		const ShaderNodeSet &	done,
		ShaderInput *	input,
		ShaderNode *	skip_node = nullptr )