WIP: feat(core)!: validate Limits::workgroup_storage_size_limit_exceeded

Author: ErichDonGubler

wgpu-core/src/validation.rs

@@ -397,6 +397,10 @@ pub enum StageError {
     InvalidWorkgroupSize(#[from] InvalidWorkgroupSizeError),
     #[error("Unable to find entry point '{0}'")]
     MissingEntryPoint(String),
+    #[error(
+        "Workgroup storage size limit exceeded: attempted to use {used} bytes, limit is {limit}"
+    )]
+    WorkgroupStorageSizeLimitExceeded { used: u32, limit: u32 },
     #[error("Shader global {0:?} is not available in the pipeline layout")]
     Binding(naga::ResourceBinding, #[source] BindingError),
     #[error("Unable to filter the texture ({texture:?}) by the sampler ({sampler:?})")]
@@ -1344,6 +1348,15 @@ impl Interface {
         };
         let (_, entry_point_name) = pair;
 
+        let workgroup_storage_used: u32 = todo!();
+
+        if workgroup_storage_used > self.limits.max_compute_workgroup_storage_size {
+            return Err(StageError::WorkgroupStorageSizeLimitExceeded {
+                used: workgroup_storage_used,
+                limit: self.limits.max_compute_workgroup_storage_size,
+            });
+        }
+
         let stage_bit = shader_stage.to_wgt_bit();
 
         // check resources visibility