Implement NVTXW export

Cargo.toml

@@ -18,6 +18,7 @@ rust-version = "1.74"
 default = []
 client = ["dep:reqwest", "dep:url"]
 server = ["dep:actix-cors", "dep:actix-web"]
+nvtxw = ["dep:nvtxw"]
 
 [dependencies]
 egui = "0.25.0"
@@ -53,6 +54,9 @@ url = { version = "2", optional = true }
 actix-web = { version = "4", optional = true }
 actix-cors = { version = "0.6", optional = true }
 
+# nvtxw:
+# nvtxw = { git = "", branch = "", optional = true } # TBD
+nvtxw = { path = "crate-tmp", optional = true }
 
 # native:
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]

crate-tmp/src/nvtxw.rs

@@ -34,13 +34,12 @@ pub use nvtxw_bindings::nvtxPayloadSchemaEntry_t as PayloadSchemaEntry;
 use nvtxw_bindings::nvtxwGetInterface_t as GetInterface;
 pub use nvtxw_bindings::nvtxwInterfaceCore_t as InterfaceCore;
 pub use nvtxw_bindings::nvtxwResultCode_t as ResultCode;
+assert_type_eq_all!(i32, ResultCode);
 use nvtxw_bindings::nvtxwSessionAttributes_t as SessionAttributes;
 pub use nvtxw_bindings::nvtxwSessionHandle_t as SessionHandle;
 use nvtxw_bindings::nvtxwStreamAttributes_t as StreamAttributes;
 pub use nvtxw_bindings::nvtxwStreamHandle_t as StreamHandle;
 
-assert_type_eq_all!(i32, nvtxw_bindings::nvtxwResultCode_t);
-
 pub struct InterfaceHandle {
     core: InterfaceCore,
     module_handle: *mut c_void,

src/lib.rs

@@ -9,6 +9,8 @@ pub mod deferred_data;
 pub mod file_data;
 pub mod http;
 pub mod merge_data;
+#[cfg(feature = "nvtxw")]
+pub mod nvtxw;
 #[cfg(not(target_arch = "wasm32"))]
 pub mod parallel_data;
 pub mod timestamp;