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

Author: hackaugusto

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,