refactor: move webgpu files to ext root (#17832)

Required for #17826

ext/webgpu/texture.rs

@@ -0,0 +1,116 @@
+// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
+
+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 WebGpuTexture(pub(crate) wgpu_core::id::TextureId);
+impl Resource for WebGpuTexture {
+  fn name(&self) -> Cow<str> {
+    "webGPUTexture".into()
+  }
+}
+
+pub(crate) struct WebGpuTextureView(pub(crate) wgpu_core::id::TextureViewId);
+impl Resource for WebGpuTextureView {
+  fn name(&self) -> Cow<str> {
+    "webGPUTextureView".into()
+  }
+}
+
+#[derive(Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct CreateTextureArgs {
+  device_rid: ResourceId,
+  label: Option<String>,
+  size: wgpu_types::Extent3d,
+  mip_level_count: u32,
+  sample_count: u32,
+  dimension: wgpu_types::TextureDimension,
+  format: wgpu_types::TextureFormat,
+  usage: u32,
+  view_formats: Vec<wgpu_types::TextureFormat>,
+}
+
+#[op]
+pub fn op_webgpu_create_texture(
+  state: &mut OpState,
+  args: CreateTextureArgs,
+) -> 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::TextureDescriptor {
+    label: args.label.map(Cow::from),
+    size: args.size,
+    mip_level_count: args.mip_level_count,
+    sample_count: args.sample_count,
+    dimension: args.dimension,
+    format: args.format,
+    usage: wgpu_types::TextureUsages::from_bits_truncate(args.usage),
+    view_formats: args.view_formats,
+  };
+
+  gfx_put!(device => instance.device_create_texture(
+    device,
+    &descriptor,
+    ()
+  ) => state, WebGpuTexture)
+}
+
+#[derive(Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct CreateTextureViewArgs {
+  texture_rid: ResourceId,
+  label: Option<String>,
+  format: Option<wgpu_types::TextureFormat>,
+  dimension: Option<wgpu_types::TextureViewDimension>,
+  aspect: wgpu_types::TextureAspect,
+  base_mip_level: u32,
+  mip_level_count: Option<u32>,
+  base_array_layer: u32,
+  array_layer_count: Option<u32>,
+}
+
+#[op]
+pub fn op_webgpu_create_texture_view(
+  state: &mut OpState,
+  args: CreateTextureViewArgs,
+) -> Result<WebGpuResult, AnyError> {
+  let instance = state.borrow::<super::Instance>();
+  let texture_resource = state
+    .resource_table
+    .get::<WebGpuTexture>(args.texture_rid)?;
+  let texture = texture_resource.0;
+
+  let descriptor = wgpu_core::resource::TextureViewDescriptor {
+    label: args.label.map(Cow::from),
+    format: args.format,
+    dimension: args.dimension,
+    range: wgpu_types::ImageSubresourceRange {
+      aspect: args.aspect,
+      base_mip_level: args.base_mip_level,
+      mip_level_count: std::num::NonZeroU32::new(
+        args.mip_level_count.unwrap_or(0),
+      ),
+      base_array_layer: args.base_array_layer,
+      array_layer_count: std::num::NonZeroU32::new(
+        args.array_layer_count.unwrap_or(0),
+      ),
+    },
+  };
+
+  gfx_put!(texture => instance.texture_create_view(
+    texture,
+    &descriptor,
+    ()
+  ) => state, WebGpuTextureView)
+}