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70 lines
1.9 KiB
Rust
70 lines
1.9 KiB
Rust
// Copyright 2018-2023 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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