feat(ir): implement resolve functionality (untested)
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GPG key ID:
C81EF9B053977241
8 changed files with 203 additions and 101 deletions
70
Cargo.lock
generated
70
Cargo.lock
generated
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@ -8,20 +8,6 @@ version = "1.0.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
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[[package]]
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name = "ahash"
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version = "0.8.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "77c3a9648d43b9cd48db467b3f87fdd6e146bcc88ab0180006cef2179fe11d01"
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dependencies = [
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"cfg-if",
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"getrandom",
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"once_cell",
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"serde",
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"version_check",
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"zerocopy",
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]
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[[package]]
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name = "anstream"
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version = "0.6.5"
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@ -287,17 +273,6 @@ dependencies = [
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"spin",
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]
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[[package]]
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name = "getrandom"
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version = "0.2.12"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "190092ea657667030ac6a35e305e62fc4dd69fd98ac98631e5d3a2b1575a12b5"
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dependencies = [
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"cfg-if",
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"libc",
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"wasi",
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]
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[[package]]
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name = "gif"
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version = "0.12.0"
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@ -346,7 +321,6 @@ dependencies = [
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name = "ir"
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version = "0.1.0"
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dependencies = [
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"ahash",
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"ron",
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"serde",
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]
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@ -366,12 +340,6 @@ version = "0.5.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "03087c2bad5e1034e8cace5926dec053fb3790248370865f5117a7d0213354c8"
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[[package]]
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name = "libc"
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version = "0.2.152"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "13e3bf6590cbc649f4d1a3eefc9d5d6eb746f5200ffb04e5e142700b8faa56e7"
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[[package]]
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name = "lock_api"
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version = "0.4.11"
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@ -422,12 +390,6 @@ dependencies = [
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"autocfg",
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]
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[[package]]
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name = "once_cell"
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version = "1.19.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
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[[package]]
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name = "png"
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version = "0.17.10"
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@ -587,18 +549,6 @@ version = "0.2.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
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[[package]]
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name = "version_check"
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version = "0.9.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
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[[package]]
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name = "wasi"
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version = "0.11.0+wasi-snapshot-preview1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
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[[package]]
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name = "weezl"
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version = "0.1.7"
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@ -671,26 +621,6 @@ version = "0.52.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "dff9641d1cd4be8d1a070daf9e3773c5f67e78b4d9d42263020c057706765c04"
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[[package]]
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name = "zerocopy"
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version = "0.7.32"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "74d4d3961e53fa4c9a25a8637fc2bfaf2595b3d3ae34875568a5cf64787716be"
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dependencies = [
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"zerocopy-derive",
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]
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[[package]]
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name = "zerocopy-derive"
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version = "0.7.32"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9ce1b18ccd8e73a9321186f97e46f9f04b778851177567b1975109d26a08d2a6"
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dependencies = [
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"proc-macro2",
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"quote",
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"syn",
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]
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[[package]]
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name = "zune-inflate"
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version = "0.2.54"
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@ -6,7 +6,6 @@ edition = "2021"
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# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
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[dependencies]
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ahash = { version = "0.8.7", features = ["serde"] }
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ron = "0.8"
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serde = { version = "1.0.193", features = ["derive"] }
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@ -25,7 +25,7 @@ use crate::Span;
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///
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/// It does **not** contain what kind of instruction this is.
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/// Refer to [`crate::instruction::Kind`] for this instead.
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#[derive(Clone, Debug, PartialEq, Eq, Hash, Deserialize, Serialize)]
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#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
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pub struct Instruction(pub(super) Span);
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impl Instruction {
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@ -39,23 +39,37 @@ impl Instruction {
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/// On an **instruction**, accepts incoming data.
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///
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/// An **instruction** cannot run if any of these are not connected.
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#[derive(Clone, Debug, PartialEq, Eq, Hash, Deserialize, Serialize)]
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#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
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pub struct Input(pub(super) Socket);
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impl Input {
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#[must_use]
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pub fn socket(&self) -> &Socket {
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&self.0
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}
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}
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/// On an **instruction**, returns outgoing data to be fed to [`Input`]s.
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///
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/// In contrast to [`Input`]s, [`Output`]s may be used or unused.
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#[derive(Clone, Debug, PartialEq, Eq, Hash, Deserialize, Serialize)]
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#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
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pub struct Output(pub(super) Socket);
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impl Output {
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#[must_use]
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pub fn socket(&self) -> &Socket {
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&self.0
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}
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}
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/// An unspecified socket on a specific **instruction**,
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/// and where it is on that **instruction**.
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#[derive(Clone, Debug, PartialEq, Eq, Hash, Deserialize, Serialize)]
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#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
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pub struct Socket {
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pub belongs_to: Instruction,
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pub idx: SocketIdx,
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}
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/// Where a [`Socket`] is on an **instruction**.
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#[derive(Clone, Debug, PartialEq, Eq, Hash, Deserialize, Serialize)]
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#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
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pub struct SocketIdx(pub u16);
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@ -3,8 +3,10 @@ use serde::{Deserialize, Serialize};
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pub mod read;
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pub mod write;
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#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
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#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
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pub enum Kind {
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// TODO: `read::Read` and `write::Write` hold real values atm -- they should actually
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// point to `Const` instructions instead (which are... yet to be done...)
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Read(read::Read),
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Write(write::Write),
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Math(Math),
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@ -13,7 +15,7 @@ pub enum Kind {
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Filter(Filter),
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}
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#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
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#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
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pub enum Math {
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Add,
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Subtract,
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@ -21,7 +23,7 @@ pub enum Math {
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Divide,
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}
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#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
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#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
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pub enum Blend {
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Normal,
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Multiply,
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@ -34,14 +36,46 @@ pub enum Blend {
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Lighten,
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}
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#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
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#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
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pub enum Noise {
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Perlin,
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Simplex,
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Voronoi,
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}
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#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
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#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
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pub enum Filter {
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Invert,
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}
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// TODO: given that this basically matches on all instructions, we may need to use
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// the visitor pattern in future here, or at least get them behind traits
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// which should allow far more nuanced description
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impl Kind {
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/// Returns how many sockets this kind of instruction has.
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#[must_use]
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pub fn socket_count(&self) -> SocketCount {
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match self {
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Self::Read(_) => (0, 1),
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Self::Write(_) => (1, 0),
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Self::Math(_) | Self::Blend(_) => (2, 1),
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Self::Noise(_) => {
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todo!("how many arguments does noise take? how many outputs does it have?")
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}
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Self::Filter(Filter::Invert) => (1, 1),
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}
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.into()
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}
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}
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/// How many sockets are on an instruction?
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pub struct SocketCount {
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pub inputs: u16,
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pub outputs: u16,
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}
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impl From<(u16, u16)> for SocketCount {
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fn from((inputs, outputs): (u16, u16)) -> Self {
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Self { inputs, outputs }
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}
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}
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@ -1,18 +1,18 @@
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use serde::{Deserialize, Serialize};
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use std::path::PathBuf;
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#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
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#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
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pub struct Read {
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pub source: SourceType,
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pub format: SourceFormat,
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}
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#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
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#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
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pub enum SourceType {
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File(PathBuf),
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}
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#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
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#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
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pub enum SourceFormat {
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Jpeg,
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Png,
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@ -1,18 +1,18 @@
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use serde::{Deserialize, Serialize};
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use std::path::PathBuf;
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#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
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#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
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pub struct Write {
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pub target: TargetType,
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pub format: TargetFormat,
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}
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#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
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#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
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pub enum TargetType {
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File(PathBuf),
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}
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#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
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#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
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pub enum TargetFormat {
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Jpeg,
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Png,
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@ -1,13 +1,17 @@
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use std::ops::RangeInclusive;
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use std::{
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collections::{BTreeMap, BTreeSet},
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ops::RangeInclusive,
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};
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use instruction::SocketCount;
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use serde::{Deserialize, Serialize};
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pub mod id;
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pub mod instruction;
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pub mod semi_human;
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pub type Map<K, V> = ahash::AHashMap<K, V>;
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pub type Set<V> = ahash::AHashSet<V>;
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pub type Map<K, V> = std::collections::BTreeMap<K, V>;
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pub type Set<V> = std::collections::BTreeSet<V>;
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/// Gives you a super well typed graph IR for a given human-readable repr.
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///
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@ -64,10 +68,127 @@ pub struct GraphIr {
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/// How the data flows forward. **Dependencies** map to **dependents** here.
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edges: Map<id::Output, Set<id::Input>>,
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/// How the data flows backward. **Dependents** map to **dependencies** here.
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rev_edges: Map<id::Input, Set<id::Output>>,
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rev_edges: Map<id::Input, id::Output>,
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}
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#[derive(Clone, Debug, PartialEq, Eq, Hash, Deserialize, Serialize)]
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pub struct Span {
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range: RangeInclusive<usize>,
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impl GraphIr {
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// TODO: this function, but actually the whole module, screams for tests
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/// Returns the instruction corresponding to the given ID.
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/// Returns [`None`] if there is no such instruction in this graph IR.
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///
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/// Theoretically this could be fixed easily at the expense of some memory
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/// by just incrementing and storing some global counter,
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/// however, at the moment there's no compelling reason
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/// to actually have multiple [`GraphIr`]s at one point in time.
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/// Open an issue if that poses a problem for you.
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#[must_use]
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pub fn resolve<'ir>(&'ir self, id: &id::Instruction) -> Option<Instruction<'ir>> {
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let (id, kind) = self.instructions.get_key_value(id)?;
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// just try each slot and see if it's connected
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// very crude, but it works for a proof of concept
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let SocketCount { inputs, outputs } = kind.socket_count();
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let socket = |id: &id::Instruction, idx| id::Socket {
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belongs_to: id.clone(),
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// impossible since the length is limited to a u16 already
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#[allow(clippy::cast_possible_truncation)]
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idx: id::SocketIdx(idx as u16),
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};
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let mut inputs_from = vec![None; inputs.into()];
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for (idx, slot) in inputs_from.iter_mut().enumerate() {
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let input = id::Input(socket(id, idx));
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*slot = self.rev_edges.get(&input);
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}
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let mut outputs_to = vec![None; outputs.into()];
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for (idx, slot) in outputs_to.iter_mut().enumerate() {
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let output = id::Output(socket(id, idx));
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*slot = self.edges.get(&output);
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}
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Some(Instruction {
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id,
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kind,
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inputs_from,
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outputs_to,
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})
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}
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/// Returns the instruction this input belongs to.
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///
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/// The same caveats as for [`GraphIr::resolve`] apply.
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#[must_use]
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pub fn owner_of_input<'ir>(&'ir self, input: &id::Input) -> Option<Instruction<'ir>> {
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self.resolve(&input.socket().belongs_to)
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}
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/// Returns the instruction this output belongs to.
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///
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/// The same caveats as for [`GraphIr::resolve`] apply.
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#[must_use]
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pub fn owner_of_output<'ir>(&'ir self, output: &id::Output) -> Option<Instruction<'ir>> {
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self.resolve(&output.socket().belongs_to)
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}
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#[must_use]
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pub fn topological_sort(&self) -> Vec<Instruction> {
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// count how many incoming edges each vertex has
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// chances are the BTreeMap is overkill
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let incoming_counts: BTreeMap<_, _> = self
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.rev_edges
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.iter()
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.map(|(input, _)| (self.owner_of_input(input), 1))
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.collect();
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todo!()
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}
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}
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/// A full instruction in context, with its inputs and outputs.
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#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
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pub struct Instruction<'ir> {
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pub id: &'ir id::Instruction,
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pub kind: &'ir instruction::Kind,
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|
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// can't have these two public since then a user might corrupt their length
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inputs_from: Vec<Option<&'ir id::Output>>,
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outputs_to: Vec<Option<&'ir BTreeSet<id::Input>>>,
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}
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impl<'ir> Instruction<'ir> {
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/// Where this instruction gets its inputs from.
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///
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/// [`None`] means that this input is unfilled,
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/// and must be filled before the instruction can be ran.
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||||
#[must_use]
|
||||
pub fn inputs_from(&self) -> &[Option<&'ir id::Output>] {
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&self.inputs_from
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||||
}
|
||||
|
||||
/// To whom outputs are sent. [`None`] means that this output is unused.
|
||||
#[must_use]
|
||||
pub fn outputs_to(&self) -> &[Option<&'ir BTreeSet<id::Input>>] {
|
||||
&self.outputs_to
|
||||
}
|
||||
}
|
||||
|
||||
/// Some part referred to in source code.
|
||||
#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
|
||||
pub struct Span {
|
||||
// would love to use an actual [`std::ops::RangeInclusive`], but those don't implement
|
||||
// `PartialOrd` and `Ord` unfortunately
|
||||
/// At which byte this span starts, inclusively.
|
||||
pub from: usize,
|
||||
/// At which byte this span ends, inclusively.
|
||||
pub to: usize,
|
||||
}
|
||||
|
||||
impl From<RangeInclusive<usize>> for Span {
|
||||
fn from(range: RangeInclusive<usize>) -> Self {
|
||||
Self {
|
||||
from: *range.start(),
|
||||
to: *range.end(),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -21,11 +21,12 @@ pub struct GraphIr {
|
|||
/// See [`crate::GraphIr::instructions`], just that a simple number is used for the ID instead
|
||||
/// of a proper span.
|
||||
pub(crate) instructions: Map<usize, instruction::Kind>,
|
||||
/// See [`crate::GraphIr::edges`]. RON wants you to type the set as if it were a list.
|
||||
/// See [`crate::GraphIr::edges`], the forward edges.
|
||||
/// RON wants you to type the set as if it were a list.
|
||||
pub(crate) edges: Map<Socket, Set<Socket>>,
|
||||
}
|
||||
|
||||
#[derive(Clone, Debug, PartialEq, Eq, Hash, Deserialize, Serialize)]
|
||||
#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Deserialize, Serialize)]
|
||||
pub struct Socket {
|
||||
/// ID of the instruction this socket is on.
|
||||
pub(crate) on: usize,
|
||||
|
|
@ -36,7 +37,8 @@ impl From<Socket> for id::Socket {
|
|||
fn from(source: Socket) -> Self {
|
||||
Self {
|
||||
belongs_to: (id::Instruction(Span {
|
||||
range: source.on..=source.on,
|
||||
from: source.on,
|
||||
to: source.on,
|
||||
})),
|
||||
idx: id::SocketIdx(source.idx),
|
||||
}
|
||||
|
|
@ -50,10 +52,9 @@ impl From<GraphIr> for crate::GraphIr {
|
|||
instructions: source
|
||||
.instructions
|
||||
.into_iter()
|
||||
.map(|(id, kind)| (id::Instruction(Span { range: id..=id }), kind))
|
||||
.map(|(id, kind)| (id::Instruction(Span { from: id, to: id }), kind))
|
||||
.collect(),
|
||||
edges: type_edges(source.edges),
|
||||
// same as above, but also reverse the mapping
|
||||
rev_edges: reverse_and_type_edges(edges),
|
||||
}
|
||||
}
|
||||
|
|
@ -70,7 +71,7 @@ fn type_edges(edges: Map<Socket, Set<Socket>>) -> Map<id::Output, Set<id::Input>
|
|||
.collect()
|
||||
}
|
||||
|
||||
fn reverse_and_type_edges(edges: Map<Socket, Set<Socket>>) -> Map<id::Input, Set<id::Output>> {
|
||||
fn reverse_and_type_edges(edges: Map<Socket, Set<Socket>>) -> Map<id::Input, id::Output> {
|
||||
edges
|
||||
.into_iter()
|
||||
.fold(Map::new(), |mut rev_edges, (output, inputs)| {
|
||||
|
|
@ -78,7 +79,10 @@ fn reverse_and_type_edges(edges: Map<Socket, Set<Socket>>) -> Map<id::Input, Set
|
|||
|
||||
for input in inputs {
|
||||
let input = id::Input(input.into());
|
||||
rev_edges.entry(input).or_default().insert(output.clone());
|
||||
let previous = rev_edges.insert(input, output.clone());
|
||||
if let Some(previous) = previous {
|
||||
panic!("two or more outputs referred to the same input {previous:#?} — handle me better later with a TryFrom impl");
|
||||
}
|
||||
}
|
||||
|
||||
rev_edges
|
||||
|
|
|
|||
Loading…
Reference in a new issue