.gitignore

@@ -1,4 +1,3 @@
 /target
 *~
-\#*#
-.#*
+\#*#

Cargo.toml

@@ -6,14 +6,15 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-serde_json = "1.0"
-tokio = {version="1.35", features=["rt-multi-thread", "macros"]}
-tokio-util = {version="0.7", features=["io"]}
-reqwest = {version="0.11", features=["json", "stream"]}
-proj = "0.27"
-geo-types = "0.7"
-clap = {version="3.1", features=["derive"]}
-anyhow = "1.0"
-futures = "0.3"
-bytes = "1.5"
-las = {version="0.8", features=["laz"]}
+serde_json = "~1.0"
+tokio = {version="~1.17", features=["rt-multi-thread", "macros"]}
+tokio-util = {version="~0.7", features=["io"]}
+reqwest = {version="~0.11", features=["json", "stream"]}
+proj = "~0.25"
+geo-types = "~0.7"
+clap = {version="~3.1", features=["derive"]}
+anyhow = "~1.0"
+futures = "~0.3"
+bytes = "~1.1"
+las = {version="~0.7", features=["laz"]}
+ash = {version="~0.36", features=["linked"]}

src/geonb.rs

@@ -19,7 +19,7 @@ impl std::fmt::Display for Error {
 }
 
 impl std::error::Error for Error {}
-fn convert_err(_err: reqwest::Error) -> std::io::Error {
+fn convert_err(err: reqwest::Error) -> std::io::Error {
     todo!()
 }
 pub async fn get_lidar_tile_around_point(
@@ -86,3 +86,26 @@ pub async fn get_lidar_tile_around_point(
             .map_err(convert_err),
     ))
 }
+
+pub async fn test() -> Result<(), reqwest::Error> {
+    let client = reqwest::Client::new();
+    print!(
+        "{}",
+        serde_json::to_string_pretty(&client
+            .get("https://geonb.snb.ca/arcgis/rest/services/GeoNB_SNB_LidarIndex/MapServer/1/query")
+            .query(&[("f", "json"),("geometryType","esriGeometryPoint"),("geometry","2470000,7443000"),("returnIdsOnly","true")])
+            .send()
+            .await?
+            .json::<serde_json::Value>().await?).expect("JSON")
+    );
+    print!(
+        "{}",
+        serde_json::to_string_pretty(&client
+            .get("https://geonb.snb.ca/arcgis/rest/services/GeoNB_SNB_LidarIndex/MapServer/1/14601")
+            .query(&[("f", "json")])
+            .send()
+            .await?
+            .json::<serde_json::Value>().await?).expect("JSON")
+    );
+    Ok(())
+}

src/main.rs

@@ -1,4 +1,11 @@
-use {clap::Parser, geo_types::Point, las::Read as LasRead, proj::Proj, tokio::io::AsyncReadExt};
+use {
+    ash::{vk, Entry},
+    clap::Parser,
+    geo_types::Point,
+    las::Read as LasRead,
+    proj::Proj,
+    tokio::io::AsyncReadExt,
+};
 
 mod geonb;
 
@@ -12,16 +19,92 @@ struct Args {
     // Longitude to fetch LIDAR tile at
     #[clap(long)]
     longitude: Option<f64>,
+}
 
-    // Print extra debug info when initializing Vulkan
-    #[clap(long)]
-    debug_init: bool,
+fn pretty_print_memory_size(x: u64) -> String {
+    if x > 1_000_000_000 {
+        format!("{:.1}G", x / 1_000_000_000)
+    } else if x > 1_000_000 {
+        format!("{:.0}M", x / 1_000_000)
+    } else if x > 1000 {
+        format!("{:.0}K", x / 1000)
+    } else {
+        format!("{}", x)
+    }
+}
+
+fn init_vulkan() {
+    let instance = {
+        let entry = Entry::linked();
+        let app_info = vk::ApplicationInfo {
+            api_version: vk::make_api_version(0, 1, 0, 0),
+            ..Default::default()
+        };
+        let create_info = vk::InstanceCreateInfo {
+            p_application_info: &app_info,
+            ..Default::default()
+        };
+        unsafe {
+            entry
+                .create_instance(&create_info, None)
+                .expect("vulkan instance")
+        }
+    };
+
+    unsafe {
+        instance
+            .enumerate_physical_devices()
+            .expect("vulkan physical devices")
+            .iter()
+            .for_each(|&device| {
+                let device_properties = instance.get_physical_device_properties(device);
+                let api_version = device_properties.api_version;
+                let api_major_version = (api_version >> 22) & 0x7f;
+                let api_minor_version = (api_version >> 12) & 0x3ff;
+                println!(
+                    "{}:\n\tAPI Version{}.{}\n\t{:?}",
+                    std::ffi::CStr::from_ptr(&device_properties.device_name[0])
+                        .to_str()
+                        .expect("device name string"),
+                    api_major_version,
+                    api_minor_version,
+                    device_properties.device_type
+                );
+                println!("\tMemory:");
+                let memory_properties = instance.get_physical_device_memory_properties(device);
+                for i in 0..memory_properties.memory_type_count as usize {
+                    let memory_type = memory_properties.memory_types[i];
+                    println!("\t\t{:?}", memory_type.property_flags);
+                    let heap_index = memory_type.heap_index as usize;
+                    let heap = memory_properties.memory_heaps[heap_index];
+                    println!(
+                        "\t\t\t{}: {}\t{:?}",
+                        heap_index,
+                        pretty_print_memory_size(heap.size),
+                        heap.flags
+                    );
+                }
+                println!("\tQueues:");
+                instance
+                    .get_physical_device_queue_family_properties(device)
+                    .iter()
+                    .enumerate()
+                    .for_each(|(i, queue_info)| {
+                        println!(
+                            "\t\t{}: {:?} ({})",
+                            i, queue_info.queue_flags, queue_info.queue_count
+                        );
+                    });
+            });
+    }
 }
 
 #[tokio::main]
 async fn main() -> Result<(), anyhow::Error> {
     let args = Args::parse();
 
+    init_vulkan();
+
     if let (Some(latitude), Some(longitude)) = (args.latitude, args.longitude) {
         let location = Proj::new_known_crs("+proj=longlat +datum=WGS84", "EPSG:2953", None)
             .unwrap()