bevy_render/render_graph/
mod.rs1mod app;
2mod context;
3mod edge;
4mod graph;
5mod node;
6mod node_slot;
7
8pub use app::*;
9pub use context::*;
10pub use edge::*;
11pub use graph::*;
12pub use node::*;
13pub use node_slot::*;
14
15use derive_more::derive::{Display, Error};
16
17#[derive(Error, Display, Debug, Eq, PartialEq)]
18pub enum RenderGraphError {
19 #[display("node {_0:?} does not exist")]
20 #[error(ignore)]
21 InvalidNode(InternedRenderLabel),
22 #[display("output node slot does not exist")]
23 #[error(ignore)]
24 InvalidOutputNodeSlot(SlotLabel),
25 #[display("input node slot does not exist")]
26 #[error(ignore)]
27 InvalidInputNodeSlot(SlotLabel),
28 #[display("node does not match the given type")]
29 WrongNodeType,
30 #[display("attempted to connect output slot {output_slot} from node {output_node:?} to incompatible input slot {input_slot} from node {input_node:?}")]
31 MismatchedNodeSlots {
32 output_node: InternedRenderLabel,
33 output_slot: usize,
34 input_node: InternedRenderLabel,
35 input_slot: usize,
36 },
37 #[display("attempted to add an edge that already exists")]
38 #[error(ignore)]
39 EdgeAlreadyExists(Edge),
40 #[display("attempted to remove an edge that does not exist")]
41 #[error(ignore)]
42 EdgeDoesNotExist(Edge),
43 #[display("node {node:?} has an unconnected input slot {input_slot}")]
44 UnconnectedNodeInputSlot {
45 node: InternedRenderLabel,
46 input_slot: usize,
47 },
48 #[display("node {node:?} has an unconnected output slot {output_slot}")]
49 UnconnectedNodeOutputSlot {
50 node: InternedRenderLabel,
51 output_slot: usize,
52 },
53 #[display("node {node:?} input slot {input_slot} already occupied by {occupied_by_node:?}")]
54 NodeInputSlotAlreadyOccupied {
55 node: InternedRenderLabel,
56 input_slot: usize,
57 occupied_by_node: InternedRenderLabel,
58 },
59}