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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
use deno_core::error::AnyError;use deno_core::op;use deno_core::OpState;use deno_core::Resource;use deno_core::ResourceId;use serde::Deserialize;use std::borrow::Cow;
use super::error::WebGpuResult;
pub(crate) struct WebGpuSampler(pub(crate) wgpu_core::id::SamplerId);impl Resource for WebGpuSampler {  fn name(&self) -> Cow<str> {    "webGPUSampler".into()  }}
#[derive(Deserialize)]#[serde(rename_all = "camelCase")]pub struct CreateSamplerArgs {  device_rid: ResourceId,  label: Option<String>,  address_mode_u: wgpu_types::AddressMode,  address_mode_v: wgpu_types::AddressMode,  address_mode_w: wgpu_types::AddressMode,  mag_filter: wgpu_types::FilterMode,  min_filter: wgpu_types::FilterMode,  mipmap_filter: wgpu_types::FilterMode, // TODO: GPUMipmapFilterMode  lod_min_clamp: f32,  lod_max_clamp: f32,  compare: Option<wgpu_types::CompareFunction>,  max_anisotropy: u8,}
#[op]pub fn op_webgpu_create_sampler(  state: &mut OpState,  args: CreateSamplerArgs,) -> Result<WebGpuResult, AnyError> {  let instance = state.borrow::<super::Instance>();  let device_resource = state    .resource_table    .get::<super::WebGpuDevice>(args.device_rid)?;  let device = device_resource.0;
  let descriptor = wgpu_core::resource::SamplerDescriptor {    label: args.label.map(Cow::from),    address_modes: [      args.address_mode_u,      args.address_mode_v,      args.address_mode_w,    ],    mag_filter: args.mag_filter,    min_filter: args.min_filter,    mipmap_filter: args.mipmap_filter,    lod_min_clamp: args.lod_min_clamp,    lod_max_clamp: args.lod_max_clamp,    compare: args.compare,    anisotropy_clamp: std::num::NonZeroU8::new(args.max_anisotropy),    border_color: None, // native-only  };
  gfx_put!(device => instance.device_create_sampler(    device,    &descriptor,    std::marker::PhantomData  ) => state, WebGpuSampler)}