feat: bring back WebGPU (#20812)

Signed-off-by: Leo Kettmeir <crowlkats@toaxl.com>
Co-authored-by: Kenta Moriuchi <moriken@kimamass.com>
Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>

1 files changed, 316 insertions, 0 deletions

diff --git a/ext/webgpu/error.rs b/ext/webgpu/error.rs
new file mode 100644
index 000000000..53ead09e5
--- /dev/null
+++ b/ext/webgpu/error.rs
@@ -0,0 +1,316 @@
+// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
+use deno_core::error::AnyError;
+use deno_core::ResourceId;
+use serde::Serialize;
+use std::convert::From;
+use std::error::Error;
+use std::fmt;
+use wgpu_core::binding_model::CreateBindGroupError;
+use wgpu_core::binding_model::CreateBindGroupLayoutError;
+use wgpu_core::binding_model::CreatePipelineLayoutError;
+use wgpu_core::binding_model::GetBindGroupLayoutError;
+use wgpu_core::command::ClearError;
+use wgpu_core::command::CommandEncoderError;
+use wgpu_core::command::ComputePassError;
+use wgpu_core::command::CopyError;
+use wgpu_core::command::CreateRenderBundleError;
+use wgpu_core::command::QueryError;
+use wgpu_core::command::RenderBundleError;
+use wgpu_core::command::RenderPassError;
+use wgpu_core::device::queue::QueueSubmitError;
+use wgpu_core::device::queue::QueueWriteError;
+use wgpu_core::device::DeviceError;
+use wgpu_core::pipeline::CreateComputePipelineError;
+use wgpu_core::pipeline::CreateRenderPipelineError;
+use wgpu_core::pipeline::CreateShaderModuleError;
+#[cfg(feature = "surface")]
+use wgpu_core::present::ConfigureSurfaceError;
+use wgpu_core::resource::BufferAccessError;
+use wgpu_core::resource::CreateBufferError;
+use wgpu_core::resource::CreateQuerySetError;
+use wgpu_core::resource::CreateSamplerError;
+use wgpu_core::resource::CreateTextureError;
+use wgpu_core::resource::CreateTextureViewError;
+
+fn fmt_err(err: &(dyn Error + 'static)) -> String {
+  let mut output = err.to_string();
+
+  let mut e = err.source();
+  while let Some(source) = e {
+    output.push_str(&format!(": {source}"));
+    e = source.source();
+  }
+
+  output
+}
+
+#[derive(Serialize)]
+pub struct WebGpuResult {
+  pub rid: Option<ResourceId>,
+  pub err: Option<WebGpuError>,
+}
+
+impl WebGpuResult {
+  pub fn rid(rid: ResourceId) -> Self {
+    Self {
+      rid: Some(rid),
+      err: None,
+    }
+  }
+
+  pub fn rid_err<T: Into<WebGpuError>>(
+    rid: ResourceId,
+    err: Option<T>,
+  ) -> Self {
+    Self {
+      rid: Some(rid),
+      err: err.map(Into::into),
+    }
+  }
+
+  pub fn maybe_err<T: Into<WebGpuError>>(err: Option<T>) -> Self {
+    Self {
+      rid: None,
+      err: err.map(Into::into),
+    }
+  }
+
+  pub fn empty() -> Self {
+    Self {
+      rid: None,
+      err: None,
+    }
+  }
+}
+
+#[derive(Serialize)]
+#[serde(tag = "type", content = "value")]
+#[serde(rename_all = "kebab-case")]
+pub enum WebGpuError {
+  Lost,
+  OutOfMemory,
+  Validation(String),
+}
+
+impl From<CreateBufferError> for WebGpuError {
+  fn from(err: CreateBufferError) -> Self {
+    match err {
+      CreateBufferError::Device(err) => err.into(),
+      CreateBufferError::AccessError(err) => err.into(),
+      err => WebGpuError::Validation(fmt_err(&err)),
+    }
+  }
+}
+
+impl From<DeviceError> for WebGpuError {
+  fn from(err: DeviceError) -> Self {
+    match err {
+      DeviceError::Lost => WebGpuError::Lost,
+      DeviceError::OutOfMemory => WebGpuError::OutOfMemory,
+      DeviceError::ResourceCreationFailed
+      | DeviceError::Invalid
+      | DeviceError::WrongDevice => WebGpuError::Validation(fmt_err(&err)),
+    }
+  }
+}
+
+impl From<BufferAccessError> for WebGpuError {
+  fn from(err: BufferAccessError) -> Self {
+    match err {
+      BufferAccessError::Device(err) => err.into(),
+      err => WebGpuError::Validation(fmt_err(&err)),
+    }
+  }
+}
+
+impl From<CreateBindGroupLayoutError> for WebGpuError {
+  fn from(err: CreateBindGroupLayoutError) -> Self {
+    match err {
+      CreateBindGroupLayoutError::Device(err) => err.into(),
+      err => WebGpuError::Validation(fmt_err(&err)),
+    }
+  }
+}
+
+impl From<CreatePipelineLayoutError> for WebGpuError {
+  fn from(err: CreatePipelineLayoutError) -> Self {
+    match err {
+      CreatePipelineLayoutError::Device(err) => err.into(),
+      err => WebGpuError::Validation(fmt_err(&err)),
+    }
+  }
+}
+
+impl From<CreateBindGroupError> for WebGpuError {
+  fn from(err: CreateBindGroupError) -> Self {
+    match err {
+      CreateBindGroupError::Device(err) => err.into(),
+      err => WebGpuError::Validation(fmt_err(&err)),
+    }
+  }
+}
+
+impl From<RenderBundleError> for WebGpuError {
+  fn from(err: RenderBundleError) -> Self {
+    WebGpuError::Validation(fmt_err(&err))
+  }
+}
+
+impl From<CreateRenderBundleError> for WebGpuError {
+  fn from(err: CreateRenderBundleError) -> Self {
+    WebGpuError::Validation(fmt_err(&err))
+  }
+}
+
+impl From<CopyError> for WebGpuError {
+  fn from(err: CopyError) -> Self {
+    WebGpuError::Validation(fmt_err(&err))
+  }
+}
+
+impl From<CommandEncoderError> for WebGpuError {
+  fn from(err: CommandEncoderError) -> Self {
+    WebGpuError::Validation(fmt_err(&err))
+  }
+}
+
+impl From<QueryError> for WebGpuError {
+  fn from(err: QueryError) -> Self {
+    WebGpuError::Validation(fmt_err(&err))
+  }
+}
+
+impl From<ComputePassError> for WebGpuError {
+  fn from(err: ComputePassError) -> Self {
+    WebGpuError::Validation(fmt_err(&err))
+  }
+}
+
+impl From<CreateComputePipelineError> for WebGpuError {
+  fn from(err: CreateComputePipelineError) -> Self {
+    match err {
+      CreateComputePipelineError::Device(err) => err.into(),
+      err => WebGpuError::Validation(fmt_err(&err)),
+    }
+  }
+}
+
+impl From<GetBindGroupLayoutError> for WebGpuError {
+  fn from(err: GetBindGroupLayoutError) -> Self {
+    WebGpuError::Validation(fmt_err(&err))
+  }
+}
+
+impl From<CreateRenderPipelineError> for WebGpuError {
+  fn from(err: CreateRenderPipelineError) -> Self {
+    match err {
+      CreateRenderPipelineError::Device(err) => err.into(),
+      err => WebGpuError::Validation(fmt_err(&err)),
+    }
+  }
+}
+
+impl From<RenderPassError> for WebGpuError {
+  fn from(err: RenderPassError) -> Self {
+    WebGpuError::Validation(fmt_err(&err))
+  }
+}
+
+impl From<CreateSamplerError> for WebGpuError {
+  fn from(err: CreateSamplerError) -> Self {
+    match err {
+      CreateSamplerError::Device(err) => err.into(),
+      err => WebGpuError::Validation(fmt_err(&err)),
+    }
+  }
+}
+
+impl From<CreateShaderModuleError> for WebGpuError {
+  fn from(err: CreateShaderModuleError) -> Self {
+    match err {
+      CreateShaderModuleError::Device(err) => err.into(),
+      err => WebGpuError::Validation(fmt_err(&err)),
+    }
+  }
+}
+
+impl From<CreateTextureError> for WebGpuError {
+  fn from(err: CreateTextureError) -> Self {
+    match err {
+      CreateTextureError::Device(err) => err.into(),
+      err => WebGpuError::Validation(fmt_err(&err)),
+    }
+  }
+}
+
+impl From<CreateTextureViewError> for WebGpuError {
+  fn from(err: CreateTextureViewError) -> Self {
+    WebGpuError::Validation(fmt_err(&err))
+  }
+}
+
+impl From<CreateQuerySetError> for WebGpuError {
+  fn from(err: CreateQuerySetError) -> Self {
+    match err {
+      CreateQuerySetError::Device(err) => err.into(),
+      err => WebGpuError::Validation(fmt_err(&err)),
+    }
+  }
+}
+
+impl From<QueueSubmitError> for WebGpuError {
+  fn from(err: QueueSubmitError) -> Self {
+    match err {
+      QueueSubmitError::Queue(err) => err.into(),
+      err => WebGpuError::Validation(fmt_err(&err)),
+    }
+  }
+}
+
+impl From<QueueWriteError> for WebGpuError {
+  fn from(err: QueueWriteError) -> Self {
+    match err {
+      QueueWriteError::Queue(err) => err.into(),
+      err => WebGpuError::Validation(fmt_err(&err)),
+    }
+  }
+}
+
+impl From<ClearError> for WebGpuError {
+  fn from(err: ClearError) -> Self {
+    WebGpuError::Validation(fmt_err(&err))
+  }
+}
+
+#[cfg(feature = "surface")]
+impl From<ConfigureSurfaceError> for WebGpuError {
+  fn from(err: ConfigureSurfaceError) -> Self {
+    WebGpuError::Validation(fmt_err(&err))
+  }
+}
+
+#[derive(Debug)]
+pub struct DomExceptionOperationError {
+  pub msg: String,
+}
+
+impl DomExceptionOperationError {
+  pub fn new(msg: &str) -> Self {
+    DomExceptionOperationError {
+      msg: msg.to_string(),
+    }
+  }
+}
+
+impl fmt::Display for DomExceptionOperationError {
+  fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    f.pad(&self.msg)
+  }
+}
+
+impl std::error::Error for DomExceptionOperationError {}
+
+pub fn get_error_class_name(e: &AnyError) -> Option<&'static str> {
+  e.downcast_ref::<DomExceptionOperationError>()
+    .map(|_| "DOMExceptionOperationError")
+}