#include <COM_ConstantOperation.h>

Inherits blender::compositor::NodeOperation.

Inherited by blender::compositor::CalculateMeanOperation, blender::compositor::MovieClipAttributeOperation, blender::compositor::SetColorOperation, blender::compositor::SetValueOperation, blender::compositor::SetVectorOperation, blender::compositor::TrackPositionOperation, and blender::compositor::tests::NonHashedConstantOperation.

Public Member Functions
	ConstantOperation ()

virtual const float *	get_constant_elem ()=0

bool	can_get_constant_elem () const

void	update_memory_buffer (MemoryBuffer output, const rcti &area, Span< MemoryBuffer > inputs) override

Public Member Functions inherited from blender::compositor::NodeOperation
virtual	~NodeOperation ()

void	set_name (const std::string name)

const std::string	get_name () const

void	set_id (const int id)

const int	get_id () const

const void	set_node_instance_key (const bNodeInstanceKey &node_instance_key)

const bNodeInstanceKey	get_node_instance_key () const

float	get_constant_value_default (float default_value)

const float *	get_constant_elem_default (const float *default_elem)

const NodeOperationFlags	get_flags () const

std::optional< NodeOperationHash >	generate_hash ()

unsigned int	get_number_of_input_sockets () const

unsigned int	get_number_of_output_sockets () const

NodeOperationOutput *	get_output_socket (unsigned int index=0)

NodeOperationInput *	get_input_socket (unsigned int index)

NodeOperation *	get_input_operation (int index)

virtual void	determine_canvas (const rcti &preferred_area, rcti &r_area)

virtual bool	is_output_operation (bool) const
	is_output_operation determines whether this operation is an output of the ExecutionSystem during rendering or editing.

void	set_bnodetree (const bNodeTree *tree)

void	set_execution_system (ExecutionSystem *system)

virtual void	init_data ()

virtual void	init_execution ()

virtual void	deinit_execution ()

void	set_canvas (const rcti &canvas_area)

const rcti &	get_canvas () const

void	unset_canvas ()

virtual bool	is_active_viewer_output () const
	is this operation the active viewer output user can select an ViewerNode to be active (the result of this node will be drawn on the backdrop).

void	set_canvas_input_index (unsigned int index)
	set the index of the input socket that will determine the canvas of this operation

void	set_determined_canvas_modifier (std::function< void(rcti &canvas)> fn)

virtual eCompositorPriority	get_render_priority () const
	get the render priority of this node.

bool	is_braked () const

void	update_draw ()

unsigned int	get_width () const

unsigned int	get_height () const

virtual MemoryBuffer *	get_input_memory_buffer (MemoryBuffer **)

virtual std::unique_ptr< MetaData >	get_meta_data ()

void	render (MemoryBuffer output_buf, Span< rcti > areas, Span< MemoryBuffer > inputs_bufs)

virtual void	get_area_of_interest (int input_idx, const rcti &output_area, rcti &r_input_area)
	Get input operation area being read by this operation on rendering given output area.

void	get_area_of_interest (NodeOperation *input_op, const rcti &output_area, rcti &r_input_area)

Protected Attributes
bool	needs_canvas_to_get_constant_

Protected Attributes inherited from blender::compositor::NodeOperation
rcti	canvas_ = COM_AREA_NONE

NodeOperationFlags	flags_

ExecutionSystem *	exec_system_

Additional Inherited Members
Protected Member Functions inherited from blender::compositor::NodeOperation
	NodeOperation ()

virtual void	hash_output_params ()

template<typename T >
void	hash_param (T param)

template<typename T1 , typename T2 >
void	hash_params (T1 param1, T2 param2)

template<typename T1 , typename T2 , typename T3 >
void	hash_params (T1 param1, T2 param2, T3 param3)

void	add_input_socket (DataType datatype, ResizeMode resize_mode=ResizeMode::Center)

void	add_output_socket (DataType datatype)

SocketReader *	get_input_socket_reader (unsigned int index)

Static Protected Member Functions inherited from blender::compositor::NodeOperation
static void	combine_hashes (size_t &combined, size_t other)

Detailed Description

Base class for operations that are always constant. Operations that can be constant only when all their inputs are so, are evaluated into primitive constants (Color/Vector/Value) during constant folding.

Definition at line 18 of file COM_ConstantOperation.h.