Struct ShaderGraph 

pub struct ShaderGraph {
    pub name: String,
    pub nodes: HashMap<NodeId, ShaderNode>,
    pub edges: Vec<ShaderEdge>,
    pub parameters: Vec<ShaderParameter>,
    pub output_node: Option<NodeId>,
    /* private fields */
}

A directed acyclic graph of shader processing nodes.

Fields

name: String

nodes: HashMap<NodeId, ShaderNode>

edges: Vec<ShaderEdge>

parameters: Vec<ShaderParameter>

output_node: Option<NodeId>

The node whose output is the final fragment color.

Implementations

impl ShaderGraph

pub fn new(name: impl Into<String>) -> Self

pub fn add_node(&mut self, node_type: NodeType) -> NodeId

pub fn add_node_at(&mut self, node_type: NodeType, x: f32, y: f32) -> NodeId

pub fn remove_node(&mut self, id: NodeId) -> bool

pub fn node(&self, id: NodeId) -> Option<&ShaderNode>

pub fn node_mut(&mut self, id: NodeId) -> Option<&mut ShaderNode>

pub fn set_output(&mut self, id: NodeId)

pub fn connect( &mut self, from_node: NodeId, from_slot: u8, to_node: NodeId, to_slot: u8, ) -> Result<EdgeId, GraphError>

pub fn disconnect(&mut self, edge_id: EdgeId) -> bool

pub fn disconnect_input(&mut self, to_node: NodeId, to_slot: u8)

pub fn add_parameter(&mut self, param: ShaderParameter) -> usize

pub fn set_parameter_float(&mut self, name: &str, value: f32)

pub fn update_parameters(&mut self, time: f32)

Update animated parameters by evaluating their MathFunction drivers.

pub fn compile(&self) -> Result<CompiledShader, GraphError>

Compile the graph to GLSL. Returns an error if the graph is invalid.

pub fn validate(&self) -> Vec<GraphError>

Validate graph structure without compiling.

pub fn topological_order(&self) -> Result<Vec<NodeId>, GraphError>

Returns nodes in evaluation order (inputs before outputs).

pub fn to_toml(&self) -> String

pub fn stats(&self) -> GraphStats

Statistics about the graph.

Trait Implementations

impl Clone for ShaderGraph

fn clone(&self) -> ShaderGraph

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ShaderGraph

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.