Introduce `internal_backend` to `iced_wgpu::Settings`

1 files changed, 1 insertions, 40 deletions

diff --git a/wgpu/src/window/compositor.rs b/wgpu/src/window/compositor.rs
index 3d785f71..fdd648e8 100644
--- a/wgpu/src/window/compositor.rs
+++ b/wgpu/src/window/compositor.rs
@@ -15,35 +15,6 @@ pub struct Compositor {
     local_pool: futures::executor::LocalPool,
 }
 
-#[derive(Clone)]
-pub enum WgpuBackend {
-    Auto,
-    Vulkan,
-    Metal,
-    Dx12,
-    Dx11,
-    Gl,
-    BrowserWgpu,
-}
-
-impl WgpuBackend {
-    fn from_env() -> Self {
-        if let Ok(backend) = std::env::var("WGPU_BACKEND") {
-            match backend.to_lowercase().as_str() {
-                "vulkan" => WgpuBackend::Vulkan,
-                "metal" => WgpuBackend::Metal,
-                "dx12" => WgpuBackend::Dx12,
-                "dx11" => WgpuBackend::Dx11,
-                "gl" => WgpuBackend::Gl,
-                "webgpu" => WgpuBackend::BrowserWgpu,
-                other => panic!("Unknown backend: {}", other),
-            }
-        } else {
-            WgpuBackend::Auto
-        }
-    }
-}
-
 impl Compositor {
     const CHUNK_SIZE: u64 = 10 * 1024;
 
@@ -51,17 +22,7 @@ impl Compositor {
     ///
     /// Returns `None` if no compatible graphics adapter could be found.
     pub async fn request(settings: Settings) -> Option<Self> {
-        let backend = match WgpuBackend::from_env() {
-            WgpuBackend::Auto => wgpu::BackendBit::PRIMARY,
-            WgpuBackend::Vulkan => wgpu::BackendBit::VULKAN,
-            WgpuBackend::Metal => wgpu::BackendBit::METAL,
-            WgpuBackend::Dx12 => wgpu::BackendBit::DX12,
-            WgpuBackend::Dx11 => wgpu::BackendBit::DX11,
-            WgpuBackend::Gl => wgpu::BackendBit::GL,
-            WgpuBackend::BrowserWgpu => wgpu::BackendBit::BROWSER_WEBGPU,
-        };
-
-        let instance = wgpu::Instance::new(backend);
+        let instance = wgpu::Instance::new(settings.internal_backend);
 
         let adapter = instance
             .request_adapter(&wgpu::RequestAdapterOptions {