revert(#13402): experiment: wgpu sync (#13439)

ext/webgpu/shader.rs

@@ -0,0 +1,51 @@
+// Copyright 2018-2022 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;
+
+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)
+}