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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,
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,
};
gfx_put!(device => instance.device_create_sampler(
device,
&descriptor,
std::marker::PhantomData
) => state, WebGpuSampler)
}
