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denoland-deno/ext/webgpu/shader.rs

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// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
use deno_core::error::AnyError;
use deno_core::ResourceId;
use deno_core::{OpState, Resource};
use serde::Deserialize;
use std::borrow::Cow;
use super::error::WebGpuResult;
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pub(crate) struct WebGpuShaderModule(pub(crate) wgpu_core::id::ShaderModuleId);
impl Resource for WebGpuShaderModule {
fn name(&self) -> Cow<str> {
"webGPUShaderModule".into()
}
}
#[derive(Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct CreateShaderModuleArgs {
device_rid: ResourceId,
label: Option<String>,
code: String,
_source_map: Option<()>, // not yet implemented
}
pub fn op_webgpu_create_shader_module(
state: &mut OpState,
args: CreateShaderModuleArgs,
_: (),
) -> 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 source =
wgpu_core::pipeline::ShaderModuleSource::Wgsl(Cow::from(args.code));
let descriptor = wgpu_core::pipeline::ShaderModuleDescriptor {
label: args.label.map(Cow::from),
};
gfx_put!(device => instance.device_create_shader_module(
device,
&descriptor,
source,
std::marker::PhantomData
) => state, WebGpuShaderModule)
}