1 files changed, 160 insertions, 0 deletions
diff --git a/ext/webgpu/queue.rs b/ext/webgpu/queue.rs
new file mode 100644
index 000000000..876c2a207
--- /dev/null
+++ b/ext/webgpu/queue.rs
@@ -0,0 +1,160 @@
+// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
+
+use std::num::NonZeroU32;
+
+use deno_core::error::bad_resource_id;
+use deno_core::error::null_opbuf;
+use deno_core::error::AnyError;
+use deno_core::OpState;
+use deno_core::ResourceId;
+use deno_core::ZeroCopyBuf;
+use serde::Deserialize;
+
+use super::error::WebGpuResult;
+
+type WebGpuQueue = super::WebGpuDevice;
+
+#[derive(Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct QueueSubmitArgs {
+  queue_rid: ResourceId,
+  command_buffers: Vec<u32>,
+}
+
+pub fn op_webgpu_queue_submit(
+  state: &mut OpState,
+  args: QueueSubmitArgs,
+  _: (),
+) -> Result<WebGpuResult, AnyError> {
+  let instance = state.borrow::<super::Instance>();
+  let queue_resource = state
+    .resource_table
+    .get::<WebGpuQueue>(args.queue_rid)
+    .ok_or_else(bad_resource_id)?;
+  let queue = queue_resource.0;
+
+  let mut ids = vec![];
+
+  for rid in args.command_buffers {
+    let buffer_resource = state
+      .resource_table
+      .get::<super::command_encoder::WebGpuCommandBuffer>(rid)
+      .ok_or_else(bad_resource_id)?;
+    ids.push(buffer_resource.0);
+  }
+
+  let maybe_err =
+    gfx_select!(queue => instance.queue_submit(queue, &ids)).err();
+
+  Ok(WebGpuResult::maybe_err(maybe_err))
+}
+
+#[derive(Deserialize)]
+#[serde(rename_all = "camelCase")]
+struct GpuImageDataLayout {
+  offset: Option<u64>,
+  bytes_per_row: Option<u32>,
+  rows_per_image: Option<u32>,
+}
+
+#[derive(Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct QueueWriteBufferArgs {
+  queue_rid: ResourceId,
+  buffer: u32,
+  buffer_offset: u64,
+  data_offset: usize,
+  size: Option<usize>,
+}
+
+pub fn op_webgpu_write_buffer(
+  state: &mut OpState,
+  args: QueueWriteBufferArgs,
+  zero_copy: Option<ZeroCopyBuf>,
+) -> Result<WebGpuResult, AnyError> {
+  let zero_copy = zero_copy.ok_or_else(null_opbuf)?;
+  let instance = state.borrow::<super::Instance>();
+  let buffer_resource = state
+    .resource_table
+    .get::<super::buffer::WebGpuBuffer>(args.buffer)
+    .ok_or_else(bad_resource_id)?;
+  let buffer = buffer_resource.0;
+  let queue_resource = state
+    .resource_table
+    .get::<WebGpuQueue>(args.queue_rid)
+    .ok_or_else(bad_resource_id)?;
+  let queue = queue_resource.0;
+
+  let data = match args.size {
+    Some(size) => &zero_copy[args.data_offset..(args.data_offset + size)],
+    None => &zero_copy[args.data_offset..],
+  };
+  let maybe_err = gfx_select!(queue => instance.queue_write_buffer(
+    queue,
+    buffer,
+    args.buffer_offset,
+    data
+  ))
+  .err();
+
+  Ok(WebGpuResult::maybe_err(maybe_err))
+}
+
+#[derive(Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct QueueWriteTextureArgs {
+  queue_rid: ResourceId,
+  destination: super::command_encoder::GpuImageCopyTexture,
+  data_layout: GpuImageDataLayout,
+  size: super::texture::GpuExtent3D,
+}
+
+pub fn op_webgpu_write_texture(
+  state: &mut OpState,
+  args: QueueWriteTextureArgs,
+  zero_copy: Option<ZeroCopyBuf>,
+) -> Result<WebGpuResult, AnyError> {
+  let zero_copy = zero_copy.ok_or_else(null_opbuf)?;
+  let instance = state.borrow::<super::Instance>();
+  let texture_resource = state
+    .resource_table
+    .get::<super::texture::WebGpuTexture>(args.destination.texture)
+    .ok_or_else(bad_resource_id)?;
+  let queue_resource = state
+    .resource_table
+    .get::<WebGpuQueue>(args.queue_rid)
+    .ok_or_else(bad_resource_id)?;
+  let queue = queue_resource.0;
+
+  let destination = wgpu_core::command::ImageCopyTexture {
+    texture: texture_resource.0,
+    mip_level: args.destination.mip_level.unwrap_or(0),
+    origin: args
+      .destination
+      .origin
+      .map_or(Default::default(), |origin| wgpu_types::Origin3d {
+        x: origin.x.unwrap_or(0),
+        y: origin.y.unwrap_or(0),
+        z: origin.z.unwrap_or(0),
+      }),
+  };
+  let data_layout = wgpu_types::ImageDataLayout {
+    offset: args.data_layout.offset.unwrap_or(0),
+    bytes_per_row: NonZeroU32::new(args.data_layout.bytes_per_row.unwrap_or(0)),
+    rows_per_image: NonZeroU32::new(
+      args.data_layout.rows_per_image.unwrap_or(0),
+    ),
+  };
+
+  gfx_ok!(queue => instance.queue_write_texture(
+    queue,
+    &destination,
+    &*zero_copy,
+    &data_layout,
+    &wgpu_types::Extent3d {
+      width: args.size.width.unwrap_or(1),
+      height: args.size.height.unwrap_or(1),
+      depth_or_array_layers: args.size.depth_or_array_layers.unwrap_or(1),
+    }
+  ))
+}