bevy/crates/bevy_render/src/render_graph/mod.rs
2020-07-16 18:26:21 -07:00

49 lines
1.3 KiB
Rust

pub mod base;
mod command;
mod edge;
mod graph;
mod node;
mod node_slot;
mod nodes;
mod schedule;
mod system;
pub use command::*;
pub use edge::*;
pub use graph::*;
pub use node::*;
pub use node_slot::*;
pub use nodes::*;
pub use schedule::*;
pub use system::*;
use thiserror::Error;
#[derive(Error, Debug, Eq, PartialEq)]
pub enum RenderGraphError {
#[error("Node does not exist")]
InvalidNode(NodeLabel),
#[error("Node slot does not exist")]
InvalidNodeSlot(SlotLabel),
#[error("Node does not match the given type")]
WrongNodeType,
#[error("Attempted to connect a node output slot to an incompatible input node slot")]
MismatchedNodeSlots {
output_node: NodeId,
output_slot: usize,
input_node: NodeId,
input_slot: usize,
},
#[error("Attempted to add an edge that already exists")]
EdgeAlreadyExists(Edge),
#[error("Node has an unconnected input slot.")]
UnconnectedNodeInputSlot { node: NodeId, input_slot: usize },
#[error("Node has an unconnected output slot.")]
UnconnectedNodeOutputSlot { node: NodeId, output_slot: usize },
#[error("Node input slot already occupied")]
NodeInputSlotAlreadyOccupied {
node: NodeId,
input_slot: usize,
occupied_by_node: NodeId,
},
}