WIP4

Author: Firestar99

node-graph/node-macro/src/shader_nodes/mod.rs

@@ -1,11 +1,10 @@
-use crate::parsing::{Input, NodeFnAttributes, ParsedNodeFn};
+use crate::parsing::{NodeFnAttributes, ParsedNodeFn};
 use crate::shader_nodes::per_pixel_adjust::PerPixelAdjust;
 use proc_macro2::{Ident, TokenStream};
-use quote::{format_ident, quote};
-use std::{todo, vec};
+use quote::quote;
 use strum::VariantNames;
+use syn::Error;
 use syn::parse::{Parse, ParseStream};
-use syn::{Error, Path, Type, TypePath};
 
 pub mod per_pixel_adjust;
 
@@ -50,4 +49,10 @@ impl CodegenShaderEntryPoint for ShaderNodeType {
 			ShaderNodeType::PerPixelAdjust(x) => x.codegen_shader_entry_point(parsed),
 		}
 	}
+
+	fn codegen_gpu_node(&self, parsed: &ParsedNodeFn) -> syn::Result<TokenStream> {
+		match self {
+			ShaderNodeType::PerPixelAdjust(x) => x.codegen_gpu_node(parsed),
+		}
+	}
 }

node-graph/node-macro/src/shader_nodes/per_pixel_adjust.rs

@@ -101,8 +101,19 @@ impl CodegenShaderEntryPoint for PerPixelAdjust {
 		let struct_name = format_ident!("{}", fn_name.to_string().to_case(Case::Pascal));
 		let mod_name = fn_name.clone();
 
-		let fields = todo!();
-		let body = todo!();
+		let fields = parsed
+			.fields
+			.iter()
+			.map(|f| match f {
+				ParsedField::Regular { .. } => {
+					let mut ret = f.clone();
+					ret.gpu_image = false;
+					Ok(ret)
+				}
+				ParsedField::Node { pat_ident, .. } => Err(syn::Error::new_spanned(pat_ident, "PerPixelAdjust shader nodes cannot accept other nodes as generics")),
+			})
+			.collect::<syn::Result<_>>()?;
+		let body = quote! {};
 
 		crate::codegen::generate_node_code(&ParsedNodeFn {
 			vis: parsed.vis.clone(),