wgpu-core: Inform user about possible fix (#5298)

wgpu-core/src/binding_model.rs

@@ -221,7 +221,7 @@ pub enum BindingZone {
 }
 
 #[derive(Clone, Debug, Error)]
-#[error("Too many bindings of type {kind:?} in {zone}, limit is {limit}, count was {count}")]
+#[error("Too many bindings of type {kind:?} in {zone}, limit is {limit}, count was {count}. Check the limit `{}` passed to `Adapter::request_device`", .kind.to_config_str())]
 pub struct BindingTypeMaxCountError {
  pub kind: BindingTypeMaxCountErrorKind,
  pub zone: BindingZone,
@@ -240,6 +240,28 @@ pub enum BindingTypeMaxCountErrorKind {
  UniformBuffers,
 }
 
+impl BindingTypeMaxCountErrorKind {
+ fn to_config_str(&self) -> &'static str {
+ match self {
+ BindingTypeMaxCountErrorKind::DynamicUniformBuffers => {
+ "max_dynamic_uniform_buffers_per_pipeline_layout"
+ }
+ BindingTypeMaxCountErrorKind::DynamicStorageBuffers => {
+ "max_dynamic_storage_buffers_per_pipeline_layout"
+ }
+ BindingTypeMaxCountErrorKind::SampledTextures => {
+ "max_sampled_textures_per_shader_stage"
+ }
+ BindingTypeMaxCountErrorKind::Samplers => "max_samplers_per_shader_stage",
+ BindingTypeMaxCountErrorKind::StorageBuffers => "max_storage_buffers_per_shader_stage",
+ BindingTypeMaxCountErrorKind::StorageTextures => {
+ "max_storage_textures_per_shader_stage"
+ }
+ BindingTypeMaxCountErrorKind::UniformBuffers => "max_uniform_buffers_per_shader_stage",
+ }
+ }
+}
+
 #[derive(Debug, Default)]
 pub(crate) struct PerStageBindingTypeCounter {
  vertex: u32,