1 files changed, 37 insertions, 0 deletions
diff --git a/vgcodec/src/app.rs b/vgcodec/src/app.rs
new file mode 100644
index 0000000..0c063a5
--- /dev/null
+++ b/vgcodec/src/app.rs
@@ -0,0 +1,37 @@
+use std::sync::Arc;
+
+use wgpu::{Adapter, Device, Instance, Queue};
+
+pub struct App {
+    pub instance: Instance,
+    pub device: Device,
+    pub adapter: Adapter,
+    pub queue: Queue,
+}
+
+impl App {
+    pub async fn new() -> Arc<Self> {
+        let instance = wgpu::Instance::new(wgpu::Backends::all());
+        let adapter = instance
+            .request_adapter(&wgpu::RequestAdapterOptions::default())
+            .await
+            .unwrap();
+        let (device, queue) = adapter
+            .request_device(
+                &wgpu::DeviceDescriptor {
+                    label: None,
+                    features: wgpu::Features::empty(),
+                    limits: wgpu::Limits::downlevel_defaults(),
+                },
+                None,
+            )
+            .await
+            .unwrap();
+        Arc::new(Self {
+            adapter,
+            device,
+            instance,
+            queue,
+        })
+    }
+}