From ee1b7fd3bc66501b252ce9e3e5ba89ac9aa54632 Mon Sep 17 00:00:00 2001
From: omniscient <17525998+omnisci3nce@users.noreply.github.com>
Date: Sat, 10 Aug 2024 23:18:22 +1000
Subject: more work on bindings and ral

---
 bindgen/rust/celeritas-sys/Cargo.lock | 29 +++++++++++++++++++++++++++++
 bindgen/rust/celeritas-sys/build.rs   | 27 ++++++++++++++++++++-------
 bindgen/rust/celeritas-sys/src/lib.rs | 26 ++++++++++++++++++++++++++
 3 files changed, 75 insertions(+), 7 deletions(-)

(limited to 'bindgen/rust/celeritas-sys')

diff --git a/bindgen/rust/celeritas-sys/Cargo.lock b/bindgen/rust/celeritas-sys/Cargo.lock
index 89c7407..43ae7fb 100644
--- a/bindgen/rust/celeritas-sys/Cargo.lock
+++ b/bindgen/rust/celeritas-sys/Cargo.lock
@@ -39,6 +39,15 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "approx"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cab112f0a86d568ea0e627cc1d6be74a1e9cd55214684db5561995f6dad897c6"
+dependencies = [
+ "num-traits",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.3.0"
@@ -100,6 +109,7 @@ dependencies = [
  "egui",
  "egui_glfw",
  "gl",
+ "glam",
  "serde",
  "serde_json",
 ]
@@ -309,6 +319,16 @@ dependencies = [
  "xml-rs",
 ]
 
+[[package]]
+name = "glam"
+version = "0.28.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "779ae4bf7e8421cf91c0b3b64e7e8b40b862fba4d393f59150042de7c4965a94"
+dependencies = [
+ "approx",
+ "serde",
+]
+
 [[package]]
 name = "glfw"
 version = "0.55.0"
@@ -492,6 +512,15 @@ dependencies = [
  "minimal-lexical",
 ]
 
+[[package]]
+name = "num-traits"
+version = "0.2.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "objc"
 version = "0.2.7"
diff --git a/bindgen/rust/celeritas-sys/build.rs b/bindgen/rust/celeritas-sys/build.rs
index 9e97034..b356bb0 100644
--- a/bindgen/rust/celeritas-sys/build.rs
+++ b/bindgen/rust/celeritas-sys/build.rs
@@ -13,16 +13,26 @@ const SERIALIZABLE_TYPES: &[&'static str] = &[
     "DirectionalLight",
     "PointLight",
 ];
+const EQ_TYPES: &[&'static str] = &[
+    "BufferHandle",
+    "TextureHandle",
+    "MeshHandle",
+    "MaterialHandle",
+    "ModelHandle",
+];
 
 #[derive(Debug)]
-struct DeriveSerialize;
-impl ParseCallbacks for DeriveSerialize {
+struct AdditionalDerives;
+impl ParseCallbacks for AdditionalDerives {
     fn add_derives(&self, info: &bindgen::callbacks::DeriveInfo<'_>) -> Vec<String> {
+        let mut derives = vec![];
         if SERIALIZABLE_TYPES.contains(&info.name) {
-            vec!["Serialize".to_string(), "Deserialize".to_string()]
-        } else {
-            vec![]
+            derives.extend_from_slice(&["Serialize".to_string(), "Deserialize".to_string()]);
+        }
+        if EQ_TYPES.contains(&info.name) {
+            derives.extend_from_slice(&["PartialEq".to_string()]);
         }
+        derives
     }
 }
 
@@ -34,7 +44,8 @@ fn main() {
     // println!("cargo:rustc-link-search=../../build/windows/x64/debug");
 
     let static_lib_path =
-        "/Users/josh/code/CodenameVentus/deps/celeritas-core/build/macosx/arm64/debug".to_string();
+        "/Users/josh/code/CodenameVentus/deps/celeritas-core/build/macosx/arm64/release"
+            .to_string();
     // let static_lib_path = std::env::var("CELERITAS_CORE_LIB")
     //     .unwrap_or("../../../build/macosx/arm64/debug".to_string());
 
@@ -75,8 +86,10 @@ fn main() {
         .generate_inline_functions(true)
         // Tell cargo to invalidate the built crate whenever any of the
         // included header files changed.
+        .rustified_enum("GPU_TextureType")
+        .rustified_enum("GPU_TextureFormat")
         .parse_callbacks(Box::new(bindgen::CargoCallbacks::new()))
-        .parse_callbacks(Box::new(DeriveSerialize))
+        .parse_callbacks(Box::new(AdditionalDerives))
         // Finish the builder and generate the bindings.
         .generate()
         // Unwrap the Result and panic on failure.
diff --git a/bindgen/rust/celeritas-sys/src/lib.rs b/bindgen/rust/celeritas-sys/src/lib.rs
index 780ceff..90a5914 100644
--- a/bindgen/rust/celeritas-sys/src/lib.rs
+++ b/bindgen/rust/celeritas-sys/src/lib.rs
@@ -87,6 +87,19 @@ impl Transform {
     }
 }
 
+impl Vec3 {
+    pub const ZERO: Self = Vec3 {
+        x: 0.,
+        y: 0.,
+        z: 0.,
+    };
+    pub const ONE: Self = Vec3 {
+        x: 1.,
+        y: 1.,
+        z: 1.,
+    };
+}
+
 impl Default for ShaderBinding {
     fn default() -> Self {
         Self {
@@ -139,3 +152,16 @@ impl Default for Camera {
         camera
     }
 }
+
+// -- fat pointer string type
+
+impl Str8 {
+    pub fn from_str(s: &str) -> Self {
+        let s = s.to_owned();
+        let s = s.leak(); // TODO: a better way than just leaking string memory :P
+        Self {
+            buf: s.as_mut_ptr(),
+            len: 0,
+        }
+    }
+}
-- 
cgit v1.2.3-70-g09d2