Graphite/node-graph/gpu-compiler/gpu-compiler-bin-wrapper/src/lib.rs

69 lines
2.2 KiB
Rust

use graph_craft::Type;
use graph_craft::proto::ProtoNetwork;
use std::io::Write;
use wgpu_executor::ShaderIO;
pub fn compile_spirv(request: &CompileRequest, compile_dir: Option<&str>, manifest_path: &str) -> anyhow::Result<Vec<u8>> {
let serialized_graph = serde_json::to_string(&graph_craft::graphene_compiler::CompileRequest {
networks: request.networks.clone(),
io: request.shader_io.clone(),
})?;
#[cfg(not(feature = "profiling"))]
let features = "";
#[cfg(feature = "profiling")]
let features = "profiling";
println!("calling cargo run!");
let non_cargo_env_vars = std::env::vars().filter(|(k, _)| k.starts_with("PATH")).collect::<Vec<_>>();
let mut cargo_command = std::process::Command::new("cargo")
.arg("run")
.arg("--release")
.arg("--manifest-path")
.arg(manifest_path)
.current_dir(manifest_path.replace("Cargo.toml", ""))
.env_clear()
.envs(non_cargo_env_vars)
.arg("--features")
.arg(features)
// TODO: handle None case properly
.arg(compile_dir.unwrap())
.stdin(std::process::Stdio::piped())
.stdout(std::process::Stdio::piped())
.spawn()?;
cargo_command.stdin.as_mut().unwrap().write_all(serialized_graph.as_bytes())?;
let output = cargo_command.wait_with_output()?;
if !output.status.success() {
return Err(anyhow::anyhow!("cargo failed: {}", String::from_utf8_lossy(&output.stderr)));
}
Ok(std::fs::read(compile_dir.unwrap().to_owned() + "/shader.spv")?)
}
#[derive(serde::Serialize, serde::Deserialize, Debug, Clone, PartialEq, Hash, Eq)]
pub struct CompileRequest {
networks: Vec<graph_craft::proto::ProtoNetwork>,
input_types: Vec<Type>,
output_types: Vec<Type>,
shader_io: ShaderIO,
}
impl CompileRequest {
pub fn new(networks: Vec<ProtoNetwork>, input_types: Vec<Type>, output_types: Vec<Type>, io: ShaderIO) -> Self {
// TODO: add type checking
// for (input, buffer) in input_types.iter().zip(io.inputs.iter()) {
// assert_eq!(input, &buffer.ty());
// }
// assert_eq!(output_type, io.output.ty());
Self {
networks,
input_types,
output_types,
shader_io: io,
}
}
pub fn compile(&self, compile_dir: &str, manifest_path: &str) -> anyhow::Result<Vec<u8>> {
compile_spirv(self, Some(compile_dir), manifest_path)
}
}