move object wrap back to ext root

ext/webgpu/adapter.rs

@@ -12,8 +12,8 @@ use deno_core::WebIDL;
 use tokio::sync::Mutex;
 
 use super::device::GPUDevice;
-use crate::wrap::webidl::features_to_feature_names;
-use crate::wrap::webidl::GPUFeatureName;
+use crate::webidl::features_to_feature_names;
+use crate::webidl::GPUFeatureName;
 use crate::Instance;
 
 #[derive(WebIDL)]

ext/webgpu/bind_group.rs

@@ -14,9 +14,9 @@ use deno_core::webidl::WebIdlInterfaceConverter;
 use deno_core::GarbageCollected;
 use deno_core::WebIDL;
 
-use crate::wrap::buffer::GPUBuffer;
-use crate::wrap::sampler::GPUSampler;
-use crate::wrap::texture::GPUTextureView;
+use crate::buffer::GPUBuffer;
+use crate::sampler::GPUSampler;
+use crate::texture::GPUTextureView;
 use crate::Instance;
 
 pub struct GPUBindGroup {

ext/webgpu/bind_group_layout.rs

@@ -4,7 +4,7 @@ use deno_core::op2;
 use deno_core::GarbageCollected;
 use deno_core::WebIDL;
 
-use crate::wrap::texture::GPUTextureViewDimension;
+use crate::texture::GPUTextureViewDimension;
 use crate::Instance;
 
 pub struct GPUBindGroupLayout {

ext/webgpu/command_encoder.rs

@@ -11,14 +11,14 @@ use deno_error::JsErrorBox;
 use wgpu_core::command::ImageCopyBuffer;
 use wgpu_core::command::PassChannel;
 
-use crate::wrap::buffer::GPUBuffer;
-use crate::wrap::command_buffer::GPUCommandBuffer;
-use crate::wrap::compute_pass::GPUComputePassEncoder;
-use crate::wrap::queue::GPUTexelCopyTextureInfo;
-use crate::wrap::render_pass::GPULoadOp;
-use crate::wrap::render_pass::GPURenderPassEncoder;
-use crate::wrap::render_pass::GPUStoreOp;
-use crate::wrap::webidl::GPUExtent3D;
+use crate::buffer::GPUBuffer;
+use crate::command_buffer::GPUCommandBuffer;
+use crate::compute_pass::GPUComputePassEncoder;
+use crate::queue::GPUTexelCopyTextureInfo;
+use crate::render_pass::GPULoadOp;
+use crate::render_pass::GPURenderPassEncoder;
+use crate::render_pass::GPUStoreOp;
+use crate::webidl::GPUExtent3D;
 use crate::Instance;
 
 pub struct GPUCommandEncoder {
@@ -54,7 +54,7 @@ impl GPUCommandEncoder {
   #[cppgc]
   fn begin_render_pass(
     &self,
-    #[webidl] descriptor: crate::wrap::render_pass::GPURenderPassDescriptor,
+    #[webidl] descriptor: crate::render_pass::GPURenderPassDescriptor,
   ) -> Result<GPURenderPassEncoder, JsErrorBox> {
     let color_attachments = Cow::Owned(
       descriptor
@@ -149,7 +149,7 @@ impl GPUCommandEncoder {
   #[cppgc]
   fn begin_compute_pass(
     &self,
-    #[webidl] descriptor: crate::wrap::compute_pass::GPUComputePassDescriptor,
+    #[webidl] descriptor: crate::compute_pass::GPUComputePassDescriptor,
   ) -> GPUComputePassEncoder {
     let timestamp_writes =
       descriptor.timestamp_writes.map(|timestamp_writes| {
@@ -348,8 +348,7 @@ impl GPUCommandEncoder {
   #[cppgc]
   fn finish(
     &self,
-    #[webidl]
-    descriptor: crate::wrap::command_buffer::GPUCommandBufferDescriptor,
+    #[webidl] descriptor: crate::command_buffer::GPUCommandBufferDescriptor,
   ) -> GPUCommandBuffer {
     let wgpu_descriptor = wgpu_types::CommandBufferDescriptor {
       label: Some(Cow::Owned(descriptor.label.clone())),

ext/webgpu/compute_pass.rs

@@ -40,7 +40,7 @@ impl GPUComputePassEncoder {
 
   fn set_pipeline(
     &self,
-    #[webidl] pipeline: Ptr<crate::wrap::compute_pipeline::GPUComputePipeline>,
+    #[webidl] pipeline: Ptr<crate::compute_pipeline::GPUComputePipeline>,
   ) {
     let err = self
       .instance
@@ -74,7 +74,7 @@ impl GPUComputePassEncoder {
 
   fn dispatch_workgroups_indirect(
     &self,
-    #[webidl] indirect_buffer: Ptr<crate::wrap::buffer::GPUBuffer>,
+    #[webidl] indirect_buffer: Ptr<crate::buffer::GPUBuffer>,
     #[webidl(options(enforce_range = true))] indirect_offset: u64,
   ) {
     let err = self
@@ -134,7 +134,7 @@ impl GPUComputePassEncoder {
     &self,
     scope: &mut v8::HandleScope<'a>,
     #[webidl(options(enforce_range = true))] index: u32,
-    #[webidl] bind_group: Nullable<Ptr<crate::wrap::bind_group::GPUBindGroup>>,
+    #[webidl] bind_group: Nullable<Ptr<crate::bind_group::GPUBindGroup>>,
     dynamic_offsets: v8::Local<'a, v8::Value>,
     dynamic_offsets_data_start: v8::Local<'a, v8::Value>,
     dynamic_offsets_data_length: v8::Local<'a, v8::Value>,
@@ -225,7 +225,7 @@ pub(crate) struct GPUComputePassDescriptor {
 #[derive(WebIDL)]
 #[webidl(dictionary)]
 pub(crate) struct GPUComputePassTimestampWrites {
-  pub query_set: Ptr<crate::wrap::query_set::GPUQuerySet>,
+  pub query_set: Ptr<crate::query_set::GPUQuerySet>,
   #[options(enforce_range = true)]
   pub beginning_of_pass_write_index: Option<u32>,
   #[options(enforce_range = true)]

ext/webgpu/compute_pipeline.rs

@@ -7,9 +7,9 @@ use deno_core::GarbageCollected;
 use deno_core::WebIDL;
 use indexmap::IndexMap;
 
-use crate::wrap::bind_group_layout::GPUBindGroupLayout;
-use crate::wrap::shader::GPUShaderModule;
-use crate::wrap::webidl::GPUPipelineLayoutOrGPUAutoLayoutMode;
+use crate::bind_group_layout::GPUBindGroupLayout;
+use crate::shader::GPUShaderModule;
+use crate::webidl::GPUPipelineLayoutOrGPUAutoLayoutMode;
 use crate::Instance;
 
 pub struct GPUComputePipeline {

ext/webgpu/device.rs

@@ -22,14 +22,14 @@ use super::queue::GPUQueue;
 use super::sampler::GPUSampler;
 use super::shader::GPUShaderModule;
 use super::texture::GPUTexture;
-use crate::wrap::adapter::GPUAdapterInfo;
-use crate::wrap::adapter::GPUSupportedFeatures;
-use crate::wrap::adapter::GPUSupportedLimits;
-use crate::wrap::command_encoder::GPUCommandEncoder;
-use crate::wrap::query_set::GPUQuerySet;
-use crate::wrap::render_bundle::GPURenderBundleEncoder;
-use crate::wrap::render_pipeline::GPURenderPipeline;
-use crate::wrap::webidl::features_to_feature_names;
+use crate::adapter::GPUAdapterInfo;
+use crate::adapter::GPUSupportedFeatures;
+use crate::adapter::GPUSupportedLimits;
+use crate::command_encoder::GPUCommandEncoder;
+use crate::query_set::GPUQuerySet;
+use crate::render_bundle::GPURenderBundleEncoder;
+use crate::render_pipeline::GPURenderPipeline;
+use crate::webidl::features_to_feature_names;
 use crate::Instance;
 
 pub struct GPUDevice {
@@ -554,7 +554,7 @@ impl GPUDevice {
   #[cppgc]
   fn create_query_set(
     &self,
-    #[webidl] descriptor: crate::wrap::query_set::GPUQuerySetDescriptor,
+    #[webidl] descriptor: crate::query_set::GPUQuerySetDescriptor,
   ) -> GPUQuerySet {
     let wgpu_descriptor = wgpu_core::resource::QuerySetDescriptor {
       label: Some(Cow::Owned(descriptor.label.clone())),

ext/webgpu/lib.rs

@@ -2,48 +2,152 @@
 #![cfg(not(target_arch = "wasm32"))]
 #![warn(unsafe_op_in_unsafe_fn)]
 
+use std::cell::RefCell;
+use std::rc::Rc;
+use std::sync::Arc;
+
+use deno_core::cppgc::SameObject;
+use deno_core::op2;
+use deno_core::GarbageCollected;
+use deno_core::OpState;
 pub use wgpu_core;
 pub use wgpu_types;
+use wgpu_types::PowerPreference;
+
+mod adapter;
+mod bind_group;
+mod bind_group_layout;
+mod buffer;
+mod command_buffer;
+mod command_encoder;
+mod compute_pass;
+mod compute_pipeline;
+mod device;
+mod error;
+mod pipeline_layout;
+mod query_set;
+mod queue;
+mod render_bundle;
+mod render_pass;
+mod render_pipeline;
+mod sampler;
+mod shader;
+mod texture;
+mod webidl;
 
 pub const UNSTABLE_FEATURE_NAME: &str = "webgpu";
 
 //pub mod byow;
 //pub mod surface;
-mod wrap;
 
-pub type Instance = std::sync::Arc<wgpu_core::global::Global>;
+pub type Instance = Arc<wgpu_core::global::Global>;
 
 deno_core::extension!(
   deno_webgpu,
   deps = [deno_webidl, deno_web],
-  ops = [wrap::create_gpu],
+  ops = [create_gpu],
   objects = [
-    wrap::GPU,
-    wrap::adapter::GPUAdapter,
-    wrap::adapter::GPUAdapterInfo,
-    wrap::bind_group::GPUBindGroup,
-    wrap::bind_group_layout::GPUBindGroupLayout,
-    wrap::buffer::GPUBuffer,
-    wrap::command_buffer::GPUCommandBuffer,
-    wrap::command_encoder::GPUCommandEncoder,
-    wrap::compute_pass::GPUComputePassEncoder,
-    wrap::compute_pipeline::GPUComputePipeline,
-    wrap::device::GPUDevice,
-    wrap::device::GPUDeviceLostInfo,
-    wrap::pipeline_layout::GPUPipelineLayout,
-    wrap::query_set::GPUQuerySet,
-    wrap::queue::GPUQueue,
-    wrap::render_bundle::GPURenderBundle,
-    wrap::render_bundle::GPURenderBundleEncoder,
-    wrap::render_pass::GPURenderPassEncoder,
-    wrap::render_pipeline::GPURenderPipeline,
-    wrap::sampler::GPUSampler,
-    wrap::shader::GPUShaderModule,
-    wrap::adapter::GPUSupportedFeatures,
-    wrap::adapter::GPUSupportedLimits,
-    wrap::texture::GPUTexture,
-    wrap::texture::GPUTextureView,
+    GPU,
+    adapter::GPUAdapter,
+    adapter::GPUAdapterInfo,
+    bind_group::GPUBindGroup,
+    bind_group_layout::GPUBindGroupLayout,
+    buffer::GPUBuffer,
+    command_buffer::GPUCommandBuffer,
+    command_encoder::GPUCommandEncoder,
+    compute_pass::GPUComputePassEncoder,
+    compute_pipeline::GPUComputePipeline,
+    device::GPUDevice,
+    device::GPUDeviceLostInfo,
+    pipeline_layout::GPUPipelineLayout,
+    query_set::GPUQuerySet,
+    queue::GPUQueue,
+    render_bundle::GPURenderBundle,
+    render_bundle::GPURenderBundleEncoder,
+    render_pass::GPURenderPassEncoder,
+    render_pipeline::GPURenderPipeline,
+    sampler::GPUSampler,
+    shader::GPUShaderModule,
+    adapter::GPUSupportedFeatures,
+    adapter::GPUSupportedLimits,
+    texture::GPUTexture,
+    texture::GPUTextureView,
   ],
   esm = ["00_init.js"],
   lazy_loaded_esm = ["01_webgpu.js"],
 );
+
+#[op2]
+#[cppgc]
+pub fn create_gpu() -> GPU {
+  GPU
+}
+
+pub struct GPU;
+
+impl GarbageCollected for GPU {}
+
+#[op2]
+impl GPU {
+  #[async_method]
+  #[cppgc]
+  async fn request_adapter(
+    &self,
+    state: Rc<RefCell<OpState>>,
+    #[webidl] options: adapter::GPURequestAdapterOptions,
+  ) -> Option<adapter::GPUAdapter> {
+    let mut state = state.borrow_mut();
+
+    let backends = std::env::var("DENO_WEBGPU_BACKEND").map_or_else(
+      |_| wgpu_types::Backends::all(),
+      |s| wgpu_core::instance::parse_backends_from_comma_list(&s),
+    );
+    let instance = if let Some(instance) = state.try_borrow::<Instance>() {
+      instance
+    } else {
+      state.put(Arc::new(wgpu_core::global::Global::new(
+        "webgpu",
+        wgpu_types::InstanceDescriptor {
+          backends,
+          flags: wgpu_types::InstanceFlags::from_build_config(),
+          dx12_shader_compiler: wgpu_types::Dx12Compiler::Fxc,
+          gles_minor_version: wgpu_types::Gles3MinorVersion::default(),
+        },
+      )));
+      state.borrow::<Instance>()
+    };
+
+    let descriptor = wgpu_core::instance::RequestAdapterOptions {
+      power_preference: options
+        .power_preference
+        .map(|pp| match pp {
+          adapter::GPUPowerPreference::LowPower => PowerPreference::LowPower,
+          adapter::GPUPowerPreference::HighPerformance => {
+            PowerPreference::HighPerformance
+          }
+        })
+        .unwrap_or_default(),
+      force_fallback_adapter: options.force_fallback_adapter,
+      compatible_surface: None, // windowless
+    };
+    let id = instance.request_adapter(&descriptor, backends, None).ok()?;
+
+    Some(adapter::GPUAdapter {
+      instance: instance.clone(),
+      features: SameObject::new(),
+      limits: SameObject::new(),
+      info: Rc::new(SameObject::new()),
+      id,
+    })
+  }
+
+  #[string]
+  fn getPreferredCanvasFormat(&self) -> &'static str {
+    // https://github.com/mozilla/gecko-dev/blob/b75080bb8b11844d18cb5f9ac6e68a866ef8e243/dom/webgpu/Instance.h#L42-L47
+    if cfg!(target_os = "android") {
+      texture::GPUTextureFormat::Rgba8unorm.as_str()
+    } else {
+      texture::GPUTextureFormat::Bgra8unorm.as_str()
+    }
+  }
+}

ext/webgpu/queue.rs

@@ -6,12 +6,12 @@ use deno_core::GarbageCollected;
 use deno_core::WebIDL;
 use deno_error::JsErrorBox;
 
-use crate::wrap::buffer::GPUBuffer;
-use crate::wrap::command_buffer::GPUCommandBuffer;
-use crate::wrap::texture::GPUTexture;
-use crate::wrap::texture::GPUTextureAspect;
-use crate::wrap::webidl::GPUExtent3D;
-use crate::wrap::webidl::GPUOrigin3D;
+use crate::buffer::GPUBuffer;
+use crate::command_buffer::GPUCommandBuffer;
+use crate::texture::GPUTexture;
+use crate::texture::GPUTextureAspect;
+use crate::webidl::GPUExtent3D;
+use crate::webidl::GPUOrigin3D;
 use crate::Instance;
 
 pub struct GPUQueue {

ext/webgpu/render_bundle.rs

@@ -16,8 +16,8 @@ use deno_core::GarbageCollected;
 use deno_core::WebIDL;
 use deno_error::JsErrorBox;
 
-use crate::wrap::buffer::GPUBuffer;
-use crate::wrap::texture::GPUTextureFormat;
+use crate::buffer::GPUBuffer;
+use crate::texture::GPUTextureFormat;
 use crate::Instance;
 
 pub struct GPURenderBundleEncoder {
@@ -121,7 +121,7 @@ impl GPURenderBundleEncoder {
     &self,
     scope: &mut v8::HandleScope<'a>,
     #[webidl(options(enforce_range = true))] index: u32,
-    #[webidl] bind_group: Nullable<Ptr<crate::wrap::bind_group::GPUBindGroup>>,
+    #[webidl] bind_group: Nullable<Ptr<crate::bind_group::GPUBindGroup>>,
     dynamic_offsets: v8::Local<'a, v8::Value>,
     dynamic_offsets_data_start: v8::Local<'a, v8::Value>,
     dynamic_offsets_data_length: v8::Local<'a, v8::Value>,
@@ -202,7 +202,7 @@ impl GPURenderBundleEncoder {
 
   fn set_pipeline(
     &self,
-    #[webidl] pipeline: Ptr<crate::wrap::render_pipeline::GPURenderPipeline>,
+    #[webidl] pipeline: Ptr<crate::render_pipeline::GPURenderPipeline>,
   ) -> Result<(), JsErrorBox> {
     let mut encoder = self.encoder.borrow_mut();
     let encoder = encoder.as_mut().ok_or_else(|| {
@@ -220,7 +220,7 @@ impl GPURenderBundleEncoder {
   fn set_index_buffer(
     &self,
     #[webidl] buffer: Ptr<GPUBuffer>,
-    #[webidl] index_format: crate::wrap::render_pipeline::GPUIndexFormat,
+    #[webidl] index_format: crate::render_pipeline::GPUIndexFormat,
     #[webidl(default = 0, options(enforce_range = true))] offset: u64,
     #[webidl(options(enforce_range = true))] size: Option<u64>,
   ) -> Result<(), JsErrorBox> {

ext/webgpu/render_pass.rs

@@ -14,10 +14,10 @@ use deno_core::webidl::WebIdlError;
 use deno_core::GarbageCollected;
 use deno_core::WebIDL;
 
-use crate::wrap::buffer::GPUBuffer;
-use crate::wrap::render_bundle::GPURenderBundle;
-use crate::wrap::texture::GPUTextureView;
-use crate::wrap::webidl::GPUColor;
+use crate::buffer::GPUBuffer;
+use crate::render_bundle::GPURenderBundle;
+use crate::texture::GPUTextureView;
+use crate::webidl::GPUColor;
 use crate::Instance;
 
 pub struct GPURenderPassEncoder {
@@ -201,7 +201,7 @@ impl GPURenderPassEncoder {
     &self,
     scope: &mut v8::HandleScope<'a>,
     #[webidl(options(enforce_range = true))] index: u32,
-    #[webidl] bind_group: Nullable<Ptr<crate::wrap::bind_group::GPUBindGroup>>,
+    #[webidl] bind_group: Nullable<Ptr<crate::bind_group::GPUBindGroup>>,
     dynamic_offsets: v8::Local<'a, v8::Value>,
     dynamic_offsets_data_start: v8::Local<'a, v8::Value>,
     dynamic_offsets_data_length: v8::Local<'a, v8::Value>,
@@ -281,7 +281,7 @@ impl GPURenderPassEncoder {
 
   fn set_pipeline(
     &self,
-    #[webidl] pipeline: Ptr<crate::wrap::render_pipeline::GPURenderPipeline>,
+    #[webidl] pipeline: Ptr<crate::render_pipeline::GPURenderPipeline>,
   ) {
     let err = self
       .instance
@@ -294,7 +294,7 @@ impl GPURenderPassEncoder {
   fn set_index_buffer(
     &self,
     #[webidl] buffer: Ptr<GPUBuffer>,
-    #[webidl] index_format: crate::wrap::render_pipeline::GPUIndexFormat,
+    #[webidl] index_format: crate::render_pipeline::GPUIndexFormat,
     #[webidl(default = 0, options(enforce_range = true))] offset: u64,
     #[webidl(options(enforce_range = true))] size: Option<u64>,
   ) {
@@ -419,7 +419,7 @@ pub(crate) struct GPURenderPassDescriptor {
 
   pub color_attachments: Vec<Nullable<GPURenderPassColorAttachment>>,
   pub depth_stencil_attachment: Option<GPURenderPassDepthStencilAttachment>,
-  pub occlusion_query_set: Option<Ptr<crate::wrap::query_set::GPUQuerySet>>,
+  pub occlusion_query_set: Option<Ptr<crate::query_set::GPUQuerySet>>,
   pub timestamp_writes: Option<GPURenderPassTimestampWrites>,
   #[webidl(default = 50000000)]
   #[options(enforce_range = true)]
@@ -489,7 +489,7 @@ pub(crate) struct GPURenderPassDepthStencilAttachment {
 #[derive(WebIDL)]
 #[webidl(dictionary)]
 pub(crate) struct GPURenderPassTimestampWrites {
-  pub query_set: Ptr<crate::wrap::query_set::GPUQuerySet>,
+  pub query_set: Ptr<crate::query_set::GPUQuerySet>,
   #[options(enforce_range = true)]
   pub beginning_of_pass_write_index: Option<u32>,
   #[options(enforce_range = true)]

ext/webgpu/render_pipeline.rs

@@ -8,11 +8,11 @@ use deno_core::GarbageCollected;
 use deno_core::WebIDL;
 use indexmap::IndexMap;
 
-use crate::wrap::bind_group_layout::GPUBindGroupLayout;
-use crate::wrap::sampler::GPUCompareFunction;
-use crate::wrap::shader::GPUShaderModule;
-use crate::wrap::texture::GPUTextureFormat;
-use crate::wrap::webidl::GPUPipelineLayoutOrGPUAutoLayoutMode;
+use crate::bind_group_layout::GPUBindGroupLayout;
+use crate::sampler::GPUCompareFunction;
+use crate::shader::GPUShaderModule;
+use crate::texture::GPUTextureFormat;
+use crate::webidl::GPUPipelineLayoutOrGPUAutoLayoutMode;
 use crate::Instance;
 
 pub struct GPURenderPipeline {

ext/webgpu/webidl.rs

@@ -302,7 +302,7 @@ pub(crate) enum GPUAutoLayoutMode {
 }
 
 pub(crate) enum GPUPipelineLayoutOrGPUAutoLayoutMode {
-  PipelineLayout(Ptr<crate::wrap::pipeline_layout::GPUPipelineLayout>),
+  PipelineLayout(Ptr<crate::pipeline_layout::GPUPipelineLayout>),
   AutoLayoutMode(GPUAutoLayoutMode),
 }
 

ext/webgpu/wrap/mod.rs

@@ -1,109 +0,0 @@
-// Copyright 2018-2025 the Deno authors. MIT license.
-
-use std::cell::RefCell;
-use std::rc::Rc;
-use std::sync::Arc;
-
-use deno_core::cppgc::SameObject;
-use deno_core::op2;
-use deno_core::GarbageCollected;
-use deno_core::OpState;
-use wgpu_types::PowerPreference;
-
-use crate::Instance;
-
-pub mod adapter;
-pub mod bind_group;
-pub mod bind_group_layout;
-pub mod buffer;
-pub mod command_buffer;
-pub mod command_encoder;
-pub mod compute_pass;
-pub mod compute_pipeline;
-pub mod device;
-pub mod error;
-pub mod pipeline_layout;
-pub mod query_set;
-pub mod queue;
-pub mod render_bundle;
-pub mod render_pass;
-pub mod render_pipeline;
-pub mod sampler;
-pub mod shader;
-pub mod texture;
-pub mod webidl;
-
-#[op2]
-#[cppgc]
-pub fn create_gpu() -> GPU {
-  GPU
-}
-
-pub struct GPU;
-
-impl GarbageCollected for GPU {}
-
-#[op2]
-impl GPU {
-  #[async_method]
-  #[cppgc]
-  async fn request_adapter(
-    &self,
-    state: Rc<RefCell<OpState>>,
-    #[webidl] options: adapter::GPURequestAdapterOptions,
-  ) -> Option<adapter::GPUAdapter> {
-    let mut state = state.borrow_mut();
-
-    let backends = std::env::var("DENO_WEBGPU_BACKEND").map_or_else(
-      |_| wgpu_types::Backends::all(),
-      |s| wgpu_core::instance::parse_backends_from_comma_list(&s),
-    );
-    let instance = if let Some(instance) = state.try_borrow::<Instance>() {
-      instance
-    } else {
-      state.put(Arc::new(wgpu_core::global::Global::new(
-        "webgpu",
-        wgpu_types::InstanceDescriptor {
-          backends,
-          flags: wgpu_types::InstanceFlags::from_build_config(),
-          dx12_shader_compiler: wgpu_types::Dx12Compiler::Fxc,
-          gles_minor_version: wgpu_types::Gles3MinorVersion::default(),
-        },
-      )));
-      state.borrow::<Instance>()
-    };
-
-    let descriptor = wgpu_core::instance::RequestAdapterOptions {
-      power_preference: options
-        .power_preference
-        .map(|pp| match pp {
-          adapter::GPUPowerPreference::LowPower => PowerPreference::LowPower,
-          adapter::GPUPowerPreference::HighPerformance => {
-            PowerPreference::HighPerformance
-          }
-        })
-        .unwrap_or_default(),
-      force_fallback_adapter: options.force_fallback_adapter,
-      compatible_surface: None, // windowless
-    };
-    let id = instance.request_adapter(&descriptor, backends, None).ok()?;
-
-    Some(adapter::GPUAdapter {
-      instance: instance.clone(),
-      features: SameObject::new(),
-      limits: SameObject::new(),
-      info: Rc::new(SameObject::new()),
-      id,
-    })
-  }
-
-  #[string]
-  fn getPreferredCanvasFormat(&self) -> &'static str {
-    // https://github.com/mozilla/gecko-dev/blob/b75080bb8b11844d18cb5f9ac6e68a866ef8e243/dom/webgpu/Instance.h#L42-L47
-    if cfg!(target_os = "android") {
-      texture::GPUTextureFormat::Rgba8unorm.as_str()
-    } else {
-      texture::GPUTextureFormat::Bgra8unorm.as_str()
-    }
-  }
-}