Vulkan WIP

.gitignore

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

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(
@@ -86,26 +86,3 @@ 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

@@ -1,13 +1,7 @@
-use {
+use {clap::Parser, geo_types::Point, las::Read as LasRead, proj::Proj, tokio::io::AsyncReadExt};
-    ash::{vk, Entry},
-    clap::Parser,
-    geo_types::Point,
-    las::Read as LasRead,
-    proj::Proj,
-    tokio::io::AsyncReadExt,
-};
 
 mod geonb;
+mod vulkan;
 
 #[derive(Parser, Debug)]
 #[clap(author, version, about, long_about=None)]
@@ -19,91 +13,21 @@ struct Args {
     // Longitude to fetch LIDAR tile at
     #[clap(long)]
     longitude: Option<f64>,
-}
 
-fn pretty_print_memory_size(x: u64) -> String {
+    // Print extra debug info when initializing Vulkan
-    if x > 1_000_000_000 {
+    #[clap(long)]
-        format!("{:.1}G", x / 1_000_000_000)
+    debug_init: bool,
-    } 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();
+    vulkan::init(vulkan::InitOptions {
+        debug_init: args.debug_init,
+        window_width: 1600,
+        window_height: 1200
+    });
 
     if let (Some(latitude), Some(longitude)) = (args.latitude, args.longitude) {
         let location = Proj::new_known_crs("+proj=longlat +datum=WGS84", "EPSG:2953", None)

src/vulkan.rs

@@ -0,0 +1,107 @@
+use ash::{vk, Entry};
+
+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)
+    }
+}
+
+pub struct InitOptions {
+    pub window_width: u32,
+    pub window_height: u32,
+    pub debug_init: bool,
+}
+
+pub struct Window {}
+
+fn describe_devices(instance: &ash::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];
+                    let heap_index = memory_type.heap_index as usize;
+                    let heap = memory_properties.memory_heaps[heap_index];
+                    println!("\t\t{:?}", memory_type.property_flags);
+                    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
+                        );
+                    });
+            })
+    }
+}
+
+fn create_logical_device(instance: &ash::Instance) {
+    unsafe {
+        instance
+            .enumerate_physical_devices()
+            .expect("vulkan physical devices")
+            .iter().find(|&device|{
+                let device_properties = instance.get_physical_device_properties(device);
+                device_properties.device_type == DISCRETE_GPU
+            }).map(|&device| {
+                vk::DeviceCreateInfo{
+}
+
+pub fn init(options: InitOptions) -> Window {
+    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")
+        }
+    };
+
+    if options.debug_init {
+        describe_devices(&instance);
+    }
+
+    Window {}
+}