Fix incorrect function calls to hsv_to_rgb in render debug code.

[Soulghost]

Objective

• Fixes The function hsv_to_rgb in wgsl is defined or called incorrectly #14139

Solution

• correct the input parameters at these call sites.

Testing

1. Use a 3D scene example with PBR lighting and shadows enabled, such as the shadow_caster_receiver and load_gltf example, for testing.
2. Enable relevant shader defines in crates/bevy_pbr/src/pbr_material.rs for the StandardMaterial.

impl Material for StandardMaterial {
    // ...
    fn specialize(
            _pipeline: &MaterialPipeline<Self>,
            descriptor: &mut RenderPipelineDescriptor,
            _layout: &MeshVertexBufferLayoutRef,
            key: MaterialPipelineKey<Self>,
        ) -> Result<(), SpecializedMeshPipelineError> {
            // ...
            // shader_defs.push("CLUSTERED_FORWARD_DEBUG_Z_SLICES".into());
            // shader_defs.push("CLUSTERED_FORWARD_DEBUG_CLUSTER_COHERENCY".into());
            shader_defs.push("DIRECTIONAL_LIGHT_SHADOW_MAP_DEBUG_CASCADES".into());
            // ...
    }
}

Showcase

CLUSTERED_FORWARD_DEBUG_Z_SLICES

• example: examples/3d/shadow_caster_receiver.rs
  

CLUSTERED_FORWARD_DEBUG_CLUSTER_COHERENCY

• example: examples/3d/shadow_caster_receiver.rs
  

DIRECTIONAL_LIGHT_SHADOW_MAP_DEBUG_CASCADES

For this one, we need to use a large scene and modity the CascadeShadowConfigBuilder, here is a simple patch for the load_gltf example:

diff --git a/examples/3d/load_gltf.rs b/examples/3d/load_gltf.rs
index 358446238..9403aa288 100644
--- a/examples/3d/load_gltf.rs
+++ b/examples/3d/load_gltf.rs
@@ -18,7 +18,7 @@ fn main() {
 fn setup(mut commands: Commands, asset_server: Res<AssetServer>) {
     commands.spawn((
         Camera3dBundle {
-            transform: Transform::from_xyz(0.7, 0.7, 1.0)
+            transform: Transform::from_xyz(0.7, 0.7, 2.0)
                 .looking_at(Vec3::new(0.0, 0.3, 0.0), Vec3::Y),
             ..default()
         },
@@ -39,30 +39,40 @@ fn setup(mut commands: Commands, asset_server: Res<AssetServer>) {
         // We also adjusted the shadow map to be larger since we're
         // only using a single cascade.
         cascade_shadow_config: CascadeShadowConfigBuilder {
-            num_cascades: 1,
-            maximum_distance: 1.6,
+            num_cascades: 5,
+            maximum_distance: 20.0,
             ..default()
         }
         .into(),
         ..default()
     });
+
     commands.spawn(SceneBundle {
         scene: asset_server
             .load(GltfAssetLabel::Scene(0).from_asset("models/FlightHelmet/FlightHelmet.gltf")),
         ..default()
     });
+
+    for i in 1..=10 {
+        commands.spawn(SceneBundle {
+            scene: asset_server
+                .load(GltfAssetLabel::Scene(0).from_asset("models/FlightHelmet/FlightHelmet.gltf")),
+            transform: Transform::from_xyz(i as f32 * 0.5, 0.0, i as f32 * -2.0),
+            ..default()
+        });
+    }
 }
 
 fn animate_light_direction(
     time: Res<Time>,
     mut query: Query<&mut Transform, With<DirectionalLight>>,
 ) {
-    for mut transform in &mut query {
-        transform.rotation = Quat::from_euler(
-            EulerRot::ZYX,
-            0.0,
-            time.elapsed_seconds() * PI / 5.0,
-            -FRAC_PI_4,
-        );
-    }
+    // for mut transform in &mut query {
+    //     transform.rotation = Quat::from_euler(
+    //         EulerRot::ZYX,
+    //         0.0,
+    //         time.elapsed_seconds() * PI / 5.0,
+    //         -FRAC_PI_4,
+    //     );
+    // }
 }

[ickshonpe]

Really appreciate the detailed PR description. Everything checks out.