mod app;
mod context;
mod edge;
mod graph;
mod node;
mod node_slot;
pub use app::*;
pub use context::*;
pub use edge::*;
pub use graph::*;
pub use node::*;
pub use node_slot::*;
use thiserror::Error;
#[derive(Error, Debug, Eq, PartialEq)]
pub enum RenderGraphError {
#[error("node {0:?} does not exist")]
InvalidNode(InternedRenderLabel),
#[error("output node slot does not exist")]
InvalidOutputNodeSlot(SlotLabel),
#[error("input node slot does not exist")]
InvalidInputNodeSlot(SlotLabel),
#[error("node does not match the given type")]
WrongNodeType,
#[error("attempted to connect output slot {output_slot} from node {output_node:?} to incompatible input slot {input_slot} from node {input_node:?}")]
MismatchedNodeSlots {
output_node: InternedRenderLabel,
output_slot: usize,
input_node: InternedRenderLabel,
input_slot: usize,
},
#[error("attempted to add an edge that already exists")]
EdgeAlreadyExists(Edge),
#[error("attempted to remove an edge that does not exist")]
EdgeDoesNotExist(Edge),
#[error("node {node:?} has an unconnected input slot {input_slot}")]
UnconnectedNodeInputSlot {
node: InternedRenderLabel,
input_slot: usize,
},
#[error("node {node:?} has an unconnected output slot {output_slot}")]
UnconnectedNodeOutputSlot {
node: InternedRenderLabel,
output_slot: usize,
},
#[error("node {node:?} input slot {input_slot} already occupied by {occupied_by_node:?}")]
NodeInputSlotAlreadyOccupied {
node: InternedRenderLabel,
input_slot: usize,
occupied_by_node: InternedRenderLabel,
},
}