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https://github.com/gfx-rs/wgpu.git
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701564da8c
* Use () instead of PhantomData as IdentityManager's Input type. PhantomData suggests that there's some sort of persuasion required for lifetime variance inference or other sorts of arcana, but it doesn't seem to be necessary at all. `()` works just fine.
71 lines
2.0 KiB
Rust
71 lines
2.0 KiB
Rust
// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
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use deno_core::error::AnyError;
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use deno_core::op;
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use deno_core::OpState;
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use deno_core::Resource;
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use deno_core::ResourceId;
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use serde::Deserialize;
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use std::borrow::Cow;
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use super::error::WebGpuResult;
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pub(crate) struct WebGpuSampler(pub(crate) wgpu_core::id::SamplerId);
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impl Resource for WebGpuSampler {
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fn name(&self) -> Cow<str> {
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"webGPUSampler".into()
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}
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}
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#[derive(Deserialize)]
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#[serde(rename_all = "camelCase")]
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pub struct CreateSamplerArgs {
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device_rid: ResourceId,
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label: Option<String>,
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address_mode_u: wgpu_types::AddressMode,
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address_mode_v: wgpu_types::AddressMode,
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address_mode_w: wgpu_types::AddressMode,
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mag_filter: wgpu_types::FilterMode,
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min_filter: wgpu_types::FilterMode,
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mipmap_filter: wgpu_types::FilterMode, // TODO: GPUMipmapFilterMode
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lod_min_clamp: f32,
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lod_max_clamp: f32,
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compare: Option<wgpu_types::CompareFunction>,
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max_anisotropy: u8,
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}
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#[op]
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pub fn op_webgpu_create_sampler(
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state: &mut OpState,
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args: CreateSamplerArgs,
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) -> Result<WebGpuResult, AnyError> {
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let instance = state.borrow::<super::Instance>();
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let device_resource = state
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.resource_table
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.get::<super::WebGpuDevice>(args.device_rid)?;
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let device = device_resource.0;
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let descriptor = wgpu_core::resource::SamplerDescriptor {
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label: args.label.map(Cow::from),
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address_modes: [
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args.address_mode_u,
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args.address_mode_v,
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args.address_mode_w,
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],
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mag_filter: args.mag_filter,
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min_filter: args.min_filter,
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mipmap_filter: args.mipmap_filter,
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lod_min_clamp: args.lod_min_clamp,
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lod_max_clamp: args.lod_max_clamp,
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compare: args.compare,
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anisotropy_clamp: std::num::NonZeroU8::new(args.max_anisotropy),
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border_color: None, // native-only
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};
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gfx_put!(device => instance.device_create_sampler(
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device,
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&descriptor,
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()
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) => state, WebGpuSampler)
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}
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