test(cts): add coverage for clip-distances feature

Author: ErichDonGubler

CHANGELOG.md

@@ -42,6 +42,12 @@ Bottom level categories:
 
 ## Unreleased
 
+### Bug Fixes
+
+#### General
+
+- Fix limit comparison logic for `max_inter_stage_shader_variables` By @ErichDonGubler in [9264](https://github.com/gfx-rs/wgpu/pull/9264).
+
 ## v29.0.0 (2026-03-18)
 
 ### Major Changes

cts_runner/test.lst

@@ -56,6 +56,7 @@ webgpu:api,operation,vertex_state,correctness:setVertexBuffer_offset_and_attribu
 
 webgpu:api,validation,buffer,create:*
 webgpu:api,validation,buffer,destroy:*
+webgpu:api,validation,capability_checks,features,clip_distances:*
 webgpu:api,validation,capability_checks,limits,maxBindGroups:setBindGroup,*
 webgpu:api,validation,capability_checks,limits,maxBindingsPerBindGroup:validate,*
 webgpu:api,validation,capability_checks,limits,maxBufferSize:*
@@ -343,8 +344,8 @@ fails-if(dx12,vulkan) webgpu:shader,execution,shader_io,fragment_builtins:inputs
 webgpu:shader,execution,shader_io,fragment_builtins:primitive_index,*
 webgpu:shader,execution,shader_io,fragment_builtins:subgroup_invocation_id:*
 webgpu:shader,execution,shader_io,fragment_builtins:subgroup_size:*
+webgpu:shader,execution,shader_io,vertex_builtins:outputs,clip_distances:*
 webgpu:shader,execution,statement,compound:*
-
 webgpu:shader,validation,const_assert,const_assert:*
 webgpu:shader,validation,decl,assignment_statement:*
 webgpu:shader,validation,decl,compound_statement:*

wgpu-types/src/limits.rs

@@ -48,6 +48,7 @@ macro_rules! with_limits {
         $macro_name!(max_buffer_size, Ordering::Less);
         $macro_name!(max_vertex_attributes, Ordering::Less);
         $macro_name!(max_vertex_buffer_array_stride, Ordering::Less);
+        $macro_name!(max_inter_stage_shader_variables, Ordering::Less);
         $macro_name!(min_uniform_buffer_offset_alignment, Ordering::Greater);
         $macro_name!(min_storage_buffer_offset_alignment, Ordering::Greater);
         $macro_name!(max_color_attachments, Ordering::Less);