Replace wgpu-native with wgpu-core

components/script/dom/identityhub.rs

@@ -2,50 +2,101 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
-use webgpu::wgpu::{AdapterId, Backend, DeviceId, IdentityManager, SurfaceId};
+use smallvec::SmallVec;
+use webgpu::wgpu::{
+    hub::IdentityManager,
+    id::{AdapterId, DeviceId},
+    Backend,
+};
 
 #[derive(Debug)]
 pub struct IdentityHub {
-    adapters: IdentityManager<AdapterId>,
-    devices: IdentityManager<DeviceId>,
+    adapters: IdentityManager,
+    devices: IdentityManager,
+    backend: Backend,
 }
 
 impl IdentityHub {
     fn new(backend: Backend) -> Self {
         IdentityHub {
-            adapters: IdentityManager::new(backend),
-            devices: IdentityManager::new(backend),
+            adapters: IdentityManager::default(),
+            devices: IdentityManager::default(),
+            backend,
         }
     }
+
+    fn create_adapter_id(&mut self) -> AdapterId {
+        self.adapters.alloc(self.backend)
+    }
+
+    fn create_device_id(&mut self) -> DeviceId {
+        self.devices.alloc(self.backend)
+    }
 }
 
 #[derive(Debug)]
 pub struct Identities {
-    surface: IdentityManager<SurfaceId>,
-    hub: IdentityHub,
+    surface: IdentityManager,
+    #[cfg(any(target_os = "linux", target_os = "windows"))]
+    vk_hub: IdentityHub,
+    #[cfg(target_os = "windows")]
+    dx12_hub: IdentityHub,
+    #[cfg(target_os = "windows")]
+    dx11_hub: IdentityHub,
+    #[cfg(any(target_os = "ios", target_os = "macos"))]
+    metal_hub: IdentityHub,
+    dummy_hub: IdentityHub,
 }
 
 impl Identities {
     pub fn new() -> Self {
-        let hub = if cfg!(any(target_os = "linux", target_os = "windows")) {
-            IdentityHub::new(Backend::Vulkan)
-        } else if cfg!(any(target_os = "ios", target_os = "macos")) {
-            IdentityHub::new(Backend::Metal)
-        } else {
-            IdentityHub::new(Backend::Empty)
-        };
-
         Identities {
-            surface: IdentityManager::new(Backend::Empty),
-            hub,
+            surface: IdentityManager::default(),
+            #[cfg(any(target_os = "linux", target_os = "windows"))]
+            vk_hub: IdentityHub::new(Backend::Vulkan),
+            #[cfg(target_os = "windows")]
+            dx12_hub: IdentityHub::new(Backend::Dx12),
+            #[cfg(target_os = "windows")]
+            dx11_hub: IdentityHub::new(Backend::Dx11),
+            #[cfg(any(target_os = "ios", target_os = "macos"))]
+            metal_hub: IdentityHub::new(Backend::Metal),
+            dummy_hub: IdentityHub::new(Backend::Empty),
         }
     }
 
-    pub fn create_adapter_id(&mut self) -> AdapterId {
-        self.hub.adapters.alloc()
+    fn hubs(&mut self) -> Vec<&mut IdentityHub> {
+        vec![
+            #[cfg(any(target_os = "linux", target_os = "windows"))]
+            &mut self.vk_hub,
+            #[cfg(target_os = "windows")]
+            &mut self.dx12_hub,
+            #[cfg(target_os = "windows")]
+            &mut self.dx11_hub,
+            #[cfg(any(target_os = "ios", target_os = "macos"))]
+            &mut self.metal_hub,
+            &mut self.dummy_hub,
+        ]
     }
 
-    pub fn create_device_id(&mut self) -> DeviceId {
-        self.hub.devices.alloc()
+    pub fn create_device_id(&mut self, backend: Backend) -> DeviceId {
+        match backend {
+            #[cfg(any(target_os = "linux", target_os = "windows"))]
+            Backend::Vulkan => self.vk_hub.create_device_id(),
+            #[cfg(target_os = "windows")]
+            Backend::Dx12 => self.dx12_hub.create_device_id(),
+            #[cfg(target_os = "windows")]
+            Backend::Dx11 => self.dx11_hub.create_device_id(),
+            #[cfg(any(target_os = "ios", target_os = "macos"))]
+            Backend::Metal => self.metal_hub.create_device_id(),
+            _ => self.dummy_hub.create_device_id(),
+        }
+    }
+
+    pub fn create_adapter_ids(&mut self) -> SmallVec<[AdapterId; 4]> {
+        let mut ids = SmallVec::new();
+        for hub in self.hubs() {
+            ids.push(hub.create_adapter_id())
+        }
+        ids
     }
 }