From 8cf63a9348aa0debfb3aa19c9c81108d4eb80cca Mon Sep 17 00:00:00 2001
From: teridax <sven.vogel123@web.de>
Date: Wed, 5 Apr 2023 11:57:21 +0200
Subject: [PATCH] added files

---
 .gitignore |    1 +
 Cargo.lock | 1345 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 Cargo.toml |   12 +
 src/lib.rs |  134 ++++++
 4 files changed, 1492 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Cargo.lock
 create mode 100644 Cargo.toml
 create mode 100644 src/lib.rs

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..eb5a316
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+target
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..a6d5f85
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,1345 @@
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+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
+]
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+ "instant",
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+ "log",
+ "mio",
+ "ndk",
+ "objc2",
+ "once_cell",
+ "orbclient",
+ "percent-encoding",
+ "raw-window-handle",
+ "redox_syscall 0.3.5",
+ "sctk-adwaita",
+ "smithay-client-toolkit",
+ "wasm-bindgen",
+ "wayland-client",
+ "wayland-commons",
+ "wayland-protocols",
+ "wayland-scanner",
+ "web-sys",
+ "windows-sys",
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..dae3cb3
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,12 @@
+[package]
+name = "eruption"
+version = "0.1.0"
+edition = "2021"
+authors = ["Sven Vogel"]
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+vulkano = "0.33.0"
+vulkano-win = "0.33.0"
+winit = "0.28.3"
\ No newline at end of file
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..1bfddf8
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,134 @@
+use vulkano::device::{DeviceExtensions, Properties, QueueFlags};
+use vulkano::device::physical::PhysicalDeviceType;
+use vulkano::instance::{Instance, InstanceCreateInfo};
+use vulkano::VulkanLibrary;
+use vulkano_win::VkSurfaceBuild;
+use winit::event_loop::EventLoop;
+use winit::window::WindowBuilder;
+
+pub fn init() {
+    let lib = VulkanLibrary::new().unwrap();
+
+    let ext = vulkano_win::required_extensions(&lib);
+
+    // Now creating the instance.
+    let instance = Instance::new(
+        lib,
+        InstanceCreateInfo {
+            enabled_extensions: ext,
+            // Enable enumerating devices that use non-conformant Vulkan implementations. (e.g.
+            // MoltenVK)
+            enumerate_portability: true,
+            ..Default::default()
+        },
+    ).unwrap();
+
+    // The objective of this example is to draw a triangle on a window. To do so, we first need to
+    // create the window.
+    //
+    // This is done by creating a `WindowBuilder` from the `winit` crate, then calling the
+    // `build_vk_surface` method provided by the `VkSurfaceBuild` trait from `vulkano_win`. If you
+    // ever get an error about `build_vk_surface` being undefined in one of your projects, this
+    // probably means that you forgot to import this trait.
+    //
+    // This returns a `vulkano::swapchain::Surface` object that contains both a cross-platform
+    // winit window and a cross-platform Vulkan surface that represents the surface of the window.
+    let event_loop = EventLoop::new();
+    let surface = WindowBuilder::new()
+        .build_vk_surface(&event_loop, instance.clone())
+        .unwrap();
+
+    // Choose device extensions that we're going to use. In order to present images to a surface,
+    // we need a `Swapchain`, which is provided by the `khr_swapchain` extension.
+    let device_extensions = DeviceExtensions {
+        khr_swapchain: true,
+        ..DeviceExtensions::empty()
+    };
+
+    // We then choose which physical device to use. First, we enumerate all the available physical
+    // devices, then apply filters to narrow them down to those that can support our needs.
+    let (physical_device, queue_family_index) = instance
+        .enumerate_physical_devices()
+        .unwrap()
+        .filter(|p| {
+            // Some devices may not support the extensions or features that your application, or
+            // report properties and limits that are not sufficient for your application. These
+            // should be filtered out here.
+            p.supported_extensions().contains(&device_extensions)
+        })
+        .filter_map(|p| {
+            // For each physical device, we try to find a suitable queue family that will execute
+            // our draw commands.
+            //
+            // Devices can provide multiple queues to run commands in parallel (for example a draw
+            // queue and a compute queue), similar to CPU threads. This is something you have to
+            // have to manage manually in Vulkan. Queues of the same type belong to the same queue
+            // family.
+            //
+            // Here, we look for a single queue family that is suitable for our purposes. In a
+            // real-world application, you may want to use a separate dedicated transfer queue to
+            // handle data transfers in parallel with graphics operations. You may also need a
+            // separate queue for compute operations, if your application uses those.
+            p.queue_family_properties()
+                .iter()
+                .enumerate()
+                .position(|(i, q)| {
+                    // We select a queue family that supports graphics operations. When drawing to
+                    // a window surface, as we do in this example, we also need to check that
+                    // queues in this queue family are capable of presenting images to the surface.
+                    q.queue_flags.intersects(QueueFlags::GRAPHICS)
+                        && p.surface_support(i as u32, &surface).unwrap_or(false)
+                })
+                // The code here searches for the first queue family that is suitable. If none is
+                // found, `None` is returned to `filter_map`, which disqualifies this physical
+                // device.
+                .map(|i| (p, i as u32))
+        })
+        // All the physical devices that pass the filters above are suitable for the application.
+        // However, not every device is equal, some are preferred over others. Now, we assign each
+        // physical device a score, and pick the device with the lowest ("best") score.
+        //
+        // In this example, we simply select the best-scoring device to use in the application.
+        // In a real-world setting, you may want to use the best-scoring device only as a "default"
+        // or "recommended" device, and let the user choose the device themself.
+        .min_by_key(|(p, _)| {
+            // We assign a lower score to device types that are likely to be faster/better.
+            match p.properties().device_type {
+                PhysicalDeviceType::DiscreteGpu => 0,
+                PhysicalDeviceType::IntegratedGpu => 1,
+                PhysicalDeviceType::VirtualGpu => 2,
+                PhysicalDeviceType::Cpu => 3,
+                PhysicalDeviceType::Other => 4,
+                _ => 5,
+            }
+        })
+        .expect("no suitable physical device found");
+
+    print_physical_device_info(physical_device.properties());
+}
+
+fn print_physical_device_info(device_properties: &Properties) {
+    println!("name: {}", device_properties.device_name);
+
+    print_device_driver_info(device_properties);
+}
+
+fn print_device_driver_info(device_properties: &Properties) {
+    let default_name = String::from("<none>");
+    let name = device_properties.driver_name.as_ref().unwrap_or(&default_name);
+
+    let default_info = String::from("<none>");
+    let info = device_properties.driver_info.as_ref().unwrap_or(&default_info);
+
+    format!("driver:\n\tname: {}\n\tversion: {}\n\t info: {}\n", name, device_properties.driver_version, info);
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        init();
+    }
+}