Backed out changeset 6c001801363e (bug 1857929) for causing build bustages. CLOSED TREE

gfx/wgpu_bindings/src/server.rs

@@ -11,7 +11,7 @@ use crate::{
 
 use nsstring::{nsACString, nsCString, nsString};
 
-use wgc::{gfx_select, id, instance};
+use wgc::{gfx_select, id};
 use wgc::{pipeline::CreateShaderModuleError, resource::BufferAccessError};
 #[allow(unused_imports)]
 use wgh::Instance;
@@ -89,18 +89,12 @@ pub extern "C" fn wgpu_server_new(
         );
         wgc::instance::parse_backends_from_comma_list(&backends_pref)
     };
-
-    let mut instance_flags = wgt::InstanceFlags::from_build_config().with_env();
-    if !static_prefs::pref!("dom.webgpu.hal-labels") {
-        instance_flags.insert(wgt::InstanceFlags::DISCARD_HAL_LABELS);
-    }
-
     let global = wgc::global::Global::new(
         "wgpu",
         factory,
         wgt::InstanceDescriptor {
             backends,
-            flags: instance_flags,
+            flags: wgt::InstanceFlags::from_build_config().with_env(),
             dx12_shader_compiler: wgt::Dx12Compiler::Fxc,
             gles_minor_version: wgt::Gles3MinorVersion::Automatic,
         },

modules/libpref/init/StaticPrefList.yaml

@@ -4571,15 +4571,6 @@
   mirror: always
   rust: true
 
-# Whether to pass labels to the hardware abstraction layer. This is only useful when
-# inspecting a WebGPU workload in a GPU debugging tool like renderdoc. Enabling it
-# exposes poorly tested driver API surfaces so it should not be enabled by default.
-- name: dom.webgpu.hal-labels
-  type: bool
-  value: false
-  mirror: once
-  rust: true
-
 # Is support for HTMLInputElement.webkitEntries enabled?
 - name: dom.webkitBlink.filesystem.enabled
   type: bool