[error] pipeline creation

player/src/lib.rs

@@ -231,16 +231,18 @@ impl GlobalPlay for wgc::hub::Global<IdentityPassThroughFactory> {
             }
             A::CreateComputePipeline(id, desc) => {
                 self.device_maintain_ids::<B>(device).unwrap();
-                self.device_create_compute_pipeline::<B>(device, &desc, id, None)
-                    .unwrap();
+                let (_, _, error) =
+                    self.device_create_compute_pipeline::<B>(device, &desc, id, None);
+                assert_eq!(error, None);
             }
             A::DestroyComputePipeline(id) => {
                 self.compute_pipeline_drop::<B>(id);
             }
             A::CreateRenderPipeline(id, desc) => {
                 self.device_maintain_ids::<B>(device).unwrap();
-                self.device_create_render_pipeline::<B>(device, &desc, id, None)
-                    .unwrap();
+                let (_, _, error) =
+                    self.device_create_render_pipeline::<B>(device, &desc, id, None);
+                assert_eq!(error, None);
             }
             A::DestroyRenderPipeline(id) => {
                 self.render_pipeline_drop::<B>(id);

wgpu-core/src/pipeline.rs

@@ -80,7 +80,7 @@ pub struct ProgrammableStageDescriptor<'a> {
 /// Number of implicit bind groups derived at pipeline creation.
 pub type ImplicitBindGroupCount = u8;
 
-#[derive(Clone, Debug, Error)]
+#[derive(Clone, Debug, Error, PartialEq)]
 pub enum ImplicitLayoutError {
     #[error("missing IDs for deriving {0} bind groups")]
     MissingIds(ImplicitBindGroupCount),
@@ -104,7 +104,7 @@ pub struct ComputePipelineDescriptor<'a> {
     pub compute_stage: ProgrammableStageDescriptor<'a>,
 }
 
-#[derive(Clone, Debug, Error)]
+#[derive(Clone, Debug, Error, PartialEq)]
 pub enum CreateComputePipelineError {
     #[error(transparent)]
     Device(#[from] DeviceError),
@@ -193,7 +193,7 @@ pub struct RenderPipelineDescriptor<'a> {
     pub alpha_to_coverage_enabled: bool,
 }
 
-#[derive(Clone, Debug, Error)]
+#[derive(Clone, Debug, Error, PartialEq)]
 pub enum CreateRenderPipelineError {
     #[error(transparent)]
     Device(#[from] DeviceError),

wgpu-core/src/validation.rs

@@ -48,7 +48,7 @@ pub fn check_texture_usage(
     }
 }
 
-#[derive(Clone, Debug, Error)]
+#[derive(Clone, Debug, Error, PartialEq)]
 pub enum BindingError {
     #[error("binding is missing from the pipeline layout")]
     Missing,
@@ -78,7 +78,7 @@ pub enum BindingError {
     BadStorageFormat(wgt::TextureFormat),
 }
 
-#[derive(Clone, Debug, Error)]
+#[derive(Clone, Debug, Error, PartialEq)]
 pub enum InputError {
     #[error("input is not provided by the earlier stage in the pipeline")]
     Missing,
@@ -87,7 +87,7 @@ pub enum InputError {
 }
 
 /// Errors produced when validating a programmable stage of a pipeline.
-#[derive(Clone, Debug, Error)]
+#[derive(Clone, Debug, Error, PartialEq)]
 pub enum StageError {
     #[error("shader module is invalid")]
     InvalidModule,