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build.rs
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build.rs
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extern crate bindgen;
extern crate regex;
use bindgen::callbacks::{ParseCallbacks, IntKind};
use regex::Regex;
use std::env;
use std::path::PathBuf;
fn main() {
let arnold_path = PathBuf::from(env::var("ARNOLD_ROOT").unwrap());
let arnold_include_path = arnold_path.join("include");
let arnold_lib_path = arnold_path.join("bin");
println!("cargo:rustc-link-search={}", arnold_lib_path.to_string_lossy());
println!("cargo:rustc-link-lib=ai");
#[derive(Debug)]
struct ArnoldConstType;
// Always set macros int type to signed never unsigned
impl ParseCallbacks for ArnoldConstType {
fn int_macro(&self, _name: &str, _value: i64) -> Option<IntKind> {
let log_re = Regex::new(r"^AI_LOG_.+$").unwrap();
if log_re.is_match(_name){
Some(IntKind::I32)
}else{
None
}
}
}
let node_bindings = bindgen::Builder::default()
.header("wrapper.hpp")
.clang_args(&["-x", "c++"])
.clang_arg("-std=c++14")
.clang_arg(format!("-I{}", arnold_include_path.to_string_lossy()))
.parse_callbacks(Box::new(ArnoldConstType))
.blacklist_type("max_align_t")
//.generate_inline_functions(true)
// ai_allocate
.whitelist_function("AiMalloc")
.whitelist_function("AiRealloc")
.whitelist_function("AiFree")
.whitelist_function("AiAddMemUsage")
// ai_array
.whitelist_type("AtArray")
.whitelist_function("AiArray.*")
// ai_bbox
.blacklist_type("AtBBox.*") // reimplemented in ai_bbox.rs
.whitelist_function("AiBBox.*")
// ai_color
.whitelist_type("AtRGB.*")
.whitelist_function("AiRGB.*")
.whitelist_function("AiColor.*")
// ai_constants, reimplemented in ai_constants.rs
.blacklist_type("AI_PI")
.blacklist_type("AI_PITIMES2")
.blacklist_type("AI_PIOVER2")
.blacklist_type("AI_ONEOVERPI")
.blacklist_type("AI_ONEOVER2PI")
.blacklist_type("AI_E")
.blacklist_type("AI_LOG2E")
.blacklist_type("AI_LN2")
.blacklist_type("AI_SQRT2")
.blacklist_type("AI_SQRT3")
.blacklist_type("AI_GOLDEN")
.blacklist_type("AI_DTOR")
.blacklist_type("AI_RTOD")
.blacklist_type("AI_EPSILON")
.blacklist_type("AI_OPACITY_EPSILON")
.blacklist_type("AI_BIG")
.blacklist_type("AI_INFINITE")
.blacklist_type("AI_ALMOST_ONE")
// ai_dotass
.whitelist_function("AiASS.*")
// ai_drivers
.whitelist_function("AiFindDriverType")
.whitelist_function("AiDriverExtension")
// ai_enum
.whitelist_type("AtEnum")
.whitelist_function("AiEnum.*")
// ai_license
.whitelist_type("AtLicenseInfo")
.whitelist_function("AiLicenseGetInfo")
.whitelist_var("AI_LIC_.+")
// ai_matrix
.whitelist_type("AtMatrix")
.whitelist_function("AiMatrix.*")
.whitelist_var("AI_M4_IDENTITY")
.whitelist_var("AI_M4_ZERO")
// ai_metadata
.whitelist_type("AtMetadataStore")
.whitelist_function("AiMetaData.*")
// ai_msg
.whitelist_type("AtMsg")
.whitelist_function("AiMsg.*")
.blacklist_type("AI_LOG_.+") // reimplemented in ai_msg.rs
.blacklist_type("AI_SEVERITY_.+") // reimplemented in ai_msg.rs
// ai_node_entry
.whitelist_type("AtNodeEntry")
.whitelist_function("AiNodeEntry.*")
.whitelist_var("AI_NODE_.+")
// ai_nodes
.whitelist_type("AtNode")
.whitelist_function("AiNode.*")
// ai_operator
.whitelist_function("AiOp.*")
// ai_params
.whitelist_type("AtParam.+")
.whitelist_function("AiParam.*")
.whitelist_function("AiNodeParam.*")
.whitelist_function("AiUserParam.*")
.whitelist_var("AI_TYPE_.+")
.whitelist_var("AI_USERDEF_.+")
// ai_plugins
.whitelist_type("AtNodeLib")
.whitelist_function("AiLoadPlugins")
// ai_ray
.whitelist_type("AtRay")
.whitelist_function("AiMakeRay")
.whitelist_function("AiReflectRay")
.whitelist_function("AiRefractRay")
.whitelist_function("AiTrace.*")
.whitelist_var("AI_RAY_.+")
// ai_render
.rustified_enum("AtBlockingCall")
.rustified_enum("AtSessionMode")
.rustified_enum("AtRenderMode")
.whitelist_type("AtRenderStatus")
.whitelist_function("AiBegin")
.whitelist_function("AiEnd")
.whitelist_function("AiGetSessionMode")
.whitelist_function("AiRender.*")
// ai_shader_radiance
.whitelist_function("AiIrradiance")
.whitelist_function("AiRadiance")
// ai_stats
.whitelist_function("AiStats.+")
.whitelist_function("AiProfile.+")
// ai_string
.whitelist_type("AtString.*")
.whitelist_function("AiCreateAtStringData_private")
.whitelist_function("AiAtStringLength")
.whitelist_function("AiAtStringHash")
// ai_texture
.whitelist_function("AiTextureGet.+")
.whitelist_function("AiTextureInvalidate")
// ai_unit_test
.whitelist_function("AiTest")
// ai_universe
.whitelist_type("AtAOVEntry")
.whitelist_function("AiUniverse.+")
.whitelist_function("AiNodeIterator.+")
.whitelist_function("AiNodeEntryIterator.+")
.whitelist_function("AiAOVIterator.+")
.whitelist_var("AI_CACHE_.+")
// ai_vector, // reimplemented in ai_vector.rs
.blacklist_type("AtVector.*")
.blacklist_type("AtHPoint.*")
.blacklist_type("AiV[234].+")
.blacklist_type("AI_[XYZ]")
.blacklist_type("AI_[VP][234]_.+")
// ai_version
.whitelist_function("AiGetVersion.*")
.whitelist_function("AiGetCompileOptions")
.whitelist_function("AiCheckAPIVersion")
.whitelist_function("AiSetAppString")
.whitelist_var("AI_VERSION.*")
// ai_volume
.whitelist_function("AiVolumeFileGetChannels")
.generate()
// Unwrap the Result and panic on failure.
.expect("Unable to generate bindings");
// Write the bindings to the $OUT_DIR/bindings.rs file.
let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
node_bindings
.write_to_file(out_path.join("arnold_bindings.rs"))
.expect("Couldn't write bindings!");
}