From 7462754bdeca514d2f17a94e7fe07b5eb33f3d83 Mon Sep 17 00:00:00 2001
From: Samson <16504129+sagudev@users.noreply.github.com>
Date: Mon, 29 Jul 2024 09:07:26 +0200
Subject: [PATCH] Remove `'de: 'static"` serde bound and replace `&'static str`
 with `Cow` in some errors (#6048)

* Remove `serde(bound(deserialize = "'de: 'static"))` and replace `&'static str` with `Cow` in deser errors

Signed-off-by: sagudev <16504129+sagudev@users.noreply.github.com>

* Allow `clippy::result_large_err`

Signed-off-by: sagudev <16504129+sagudev@users.noreply.github.com>

---------

Signed-off-by: sagudev <16504129+sagudev@users.noreply.github.com>
---
 wgpu-core/src/command/bind.rs | 1 +
 wgpu-core/src/device/mod.rs   | 2 --
 wgpu-core/src/instance.rs     | 7 +++----
 wgpu-core/src/resource.rs     | 9 +++------
 4 files changed, 7 insertions(+), 12 deletions(-)

diff --git a/wgpu-core/src/command/bind.rs b/wgpu-core/src/command/bind.rs
index 04a992928..5e3f24930 100644
--- a/wgpu-core/src/command/bind.rs
+++ b/wgpu-core/src/command/bind.rs
@@ -248,6 +248,7 @@ mod compat {
                 .filter_map(|(i, e)| if e.is_active() { Some(i) } else { None })
         }
 
+        #[allow(clippy::result_large_err)]
         pub fn get_invalid(&self) -> Result<(), (usize, Error)> {
             for (index, entry) in self.entries.iter().enumerate() {
                 entry.check().map_err(|e| (index, e))?;
diff --git a/wgpu-core/src/device/mod.rs b/wgpu-core/src/device/mod.rs
index 222c50248..d33de22da 100644
--- a/wgpu-core/src/device/mod.rs
+++ b/wgpu-core/src/device/mod.rs
@@ -365,7 +365,6 @@ fn map_buffer<A: HalApi>(
 
 #[derive(Clone, Debug)]
 #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
-#[cfg_attr(feature = "serde", serde(bound(deserialize = "'de: 'static")))]
 pub struct DeviceMismatch {
     pub(super) res: ResourceErrorIdent,
     pub(super) res_device: ResourceErrorIdent,
@@ -391,7 +390,6 @@ impl std::error::Error for DeviceMismatch {}
 
 #[derive(Clone, Debug, Error)]
 #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
-#[cfg_attr(feature = "serde", serde(bound(deserialize = "'de: 'static")))]
 #[non_exhaustive]
 pub enum DeviceError {
     #[error("{0} is invalid.")]
diff --git a/wgpu-core/src/instance.rs b/wgpu-core/src/instance.rs
index 65bed375f..c4433ed14 100644
--- a/wgpu-core/src/instance.rs
+++ b/wgpu-core/src/instance.rs
@@ -1,5 +1,5 @@
-use std::collections::HashMap;
 use std::sync::Arc;
+use std::{borrow::Cow, collections::HashMap};
 
 use crate::{
     api_log,
@@ -26,7 +26,7 @@ type HalSurface<A> = <A as hal::Api>::Surface;
 #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 #[error("Limit '{name}' value {requested} is better than allowed {allowed}")]
 pub struct FailedLimit {
-    name: &'static str,
+    name: Cow<'static, str>,
     requested: u64,
     allowed: u64,
 }
@@ -36,7 +36,7 @@ fn check_limits(requested: &wgt::Limits, allowed: &wgt::Limits) -> Vec<FailedLim
 
     requested.check_limits_with_fail_fn(allowed, false, |name, requested, allowed| {
         failed.push(FailedLimit {
-            name,
+            name: Cow::Borrowed(name),
             requested,
             allowed,
         })
@@ -389,7 +389,6 @@ pub enum GetSurfaceSupportError {
 
 #[derive(Clone, Debug, Error)]
 #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
-#[cfg_attr(feature = "serde", serde(bound(deserialize = "'de: 'static")))]
 /// Error when requesting a device from the adaptor
 #[non_exhaustive]
 pub enum RequestDeviceError {
diff --git a/wgpu-core/src/resource.rs b/wgpu-core/src/resource.rs
index 5b1152512..c3d5c478f 100644
--- a/wgpu-core/src/resource.rs
+++ b/wgpu-core/src/resource.rs
@@ -22,7 +22,7 @@ use smallvec::SmallVec;
 use thiserror::Error;
 
 use std::{
-    borrow::Borrow,
+    borrow::{Borrow, Cow},
     fmt::Debug,
     iter,
     mem::{self, ManuallyDrop},
@@ -78,7 +78,7 @@ impl TrackingData {
 #[derive(Clone, Debug)]
 #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct ResourceErrorIdent {
-    r#type: &'static str,
+    r#type: Cow<'static, str>,
     label: String,
 }
 
@@ -156,7 +156,7 @@ pub(crate) trait Labeled: ResourceType {
 
     fn error_ident(&self) -> ResourceErrorIdent {
         ResourceErrorIdent {
-            r#type: Self::TYPE,
+            r#type: Cow::Borrowed(Self::TYPE),
             label: self.label().to_owned(),
         }
     }
@@ -343,7 +343,6 @@ pub struct BufferMapOperation {
 
 #[derive(Clone, Debug, Error)]
 #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
-#[cfg_attr(feature = "serde", serde(bound(deserialize = "'de: 'static")))]
 #[non_exhaustive]
 pub enum BufferAccessError {
     #[error(transparent)]
@@ -393,7 +392,6 @@ pub enum BufferAccessError {
 
 #[derive(Clone, Debug, Error)]
 #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
-#[cfg_attr(feature = "serde", serde(bound(deserialize = "'de: 'static")))]
 #[error("Usage flags {actual:?} of {res} do not contain required usage flags {expected:?}")]
 pub struct MissingBufferUsageError {
     pub(crate) res: ResourceErrorIdent,
@@ -411,7 +409,6 @@ pub struct MissingTextureUsageError {
 
 #[derive(Clone, Debug, Error)]
 #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
-#[cfg_attr(feature = "serde", serde(bound(deserialize = "'de: 'static")))]
 #[error("{0} has been destroyed")]
 pub struct DestroyedResourceError(pub ResourceErrorIdent);