feat(render): add scene environment pipeline

src/scene/pipeline/uniforms.rs

@@ -53,8 +53,51 @@ pub struct Uniforms {
     pub light_color_hotspot: [[f32; 4]; 4],
     /// x = attenuation mode, y/z = start/end limits, w = cosine of falloff.
     pub light_attenuation: [[f32; 4]; 4],
-    /// x = active light count, y = fallback ambient strength.
+    /// x = active light count, yzw = per-viewport ambient-light RGB.
     pub lighting: [f32; 4],
+    /// x = viewport face-colour mode, y = viewport face opacity,
+    /// z = highlight intensity for faces without an attached material,
+    /// w = visual-style brightness.
+    pub visual_style: [f32; 4],
+    /// Viewport visual-style mono/tint colour.
+    pub visual_style_color: [f32; 4],
+    /// RGB background selected by the viewport; alpha is one when a drawing
+    /// background object, rather than the application canvas, supplies it.
+    pub viewport_background: [f32; 4],
+    /// x/y = normalized linear brightness/contrast in the documented
+    /// -10..10 viewport range; z/w are reserved for exposure controls.
+    pub view_tone: [f32; 4],
+    pub background_top: [f32; 4],
+    pub background_middle: [f32; 4],
+    pub background_bottom: [f32; 4],
+    pub background_aux0: [f32; 4],
+    pub background_aux1: [f32; 4],
+    /// x = mode, y = horizon, z = height, w = rotation in radians.
+    pub background_params: [f32; 4],
+    /// x = fit, y = keep aspect, z = tile, w = decoded image aspect.
+    pub background_image_params: [f32; 4],
+    /// xy = image offset, zw = image scale.
+    pub background_image_transform: [f32; 4],
+    /// x = environment enabled, y = rotation, z = diffuse strength,
+    /// w = reflection strength.
+    pub environment_params: [f32; 4],
+    /// View-to-world rotation used to derive environment lookup directions.
+    pub environment_view: glam::Mat4,
+    /// Eye-relative light projection for the first shadow-casting source.
+    pub shadow_view_proj: glam::Mat4,
+    /// x = enabled, y = depth bias, z = softness, w = light index.
+    pub shadow_params: [f32; 4],
+    /// RGB = document render-environment fog colour.
+    pub fog_color: [f32; 4],
+    /// x = enabled, y = affect background, z/w = near/far density.
+    pub fog_params: [f32; 4],
+    /// x/y = near/far eye distance used to interpolate the density.
+    pub fog_distances: [f32; 4],
+    /// Eight normalized vertical-candela samples for each photometric light.
+    pub light_web_profile_a: [[f32; 4]; 4],
+    pub light_web_profile_b: [[f32; 4]; 4],
+    /// xyz = web rotation, w = profile enabled.
+    pub light_web_rotation: [[f32; 4]; 4],
 }
 
 impl Uniforms {
@@ -83,7 +126,29 @@ impl Uniforms {
             light_direction_intensity: [[0.0; 4]; 4],
             light_color_hotspot: [[0.0; 4]; 4],
             light_attenuation: [[0.0; 4]; 4],
-            lighting: [0.0, 0.18, 0.0, 0.0],
+            lighting: [0.0, 0.18, 0.18, 0.18],
+            visual_style: [1.0, 1.0, -1.0, 0.0],
+            visual_style_color: [1.0, 1.0, 1.0, 1.0],
+            viewport_background: [0.0, 0.0, 0.0, 0.0],
+            view_tone: [0.0; 4],
+            background_top: [0.0; 4],
+            background_middle: [0.0; 4],
+            background_bottom: [0.0; 4],
+            background_aux0: [0.0; 4],
+            background_aux1: [0.0; 4],
+            background_params: [0.0; 4],
+            background_image_params: [0.0; 4],
+            background_image_transform: [0.0, 0.0, 1.0, 1.0],
+            environment_params: [0.0, 0.0, 0.25, 0.35],
+            environment_view: glam::Mat4::IDENTITY,
+            shadow_view_proj: glam::Mat4::IDENTITY,
+            shadow_params: [0.0, 0.0015, 1.0, 0.0],
+            fog_color: [0.0, 0.0, 0.0, 1.0],
+            fog_params: [0.0; 4],
+            fog_distances: [0.0, 1.0, 0.0, 0.0],
+            light_web_profile_a: [[1.0; 4]; 4],
+            light_web_profile_b: [[1.0; 4]; 4],
+            light_web_rotation: [[0.0; 4]; 4],
         }
     }
 }