1// Shared data transferred between Aqua's terminal material and layered
2// lighting/optics modules. This file contains types only.
3
4#define_import_path bevy_aqua_core::material
5
6struct SurfaceVertexOutput {
7    @builtin(position) position: vec4<f32>,
8    @location(0) world_position: vec4<f32>,
9    @location(1) world_normal: vec3<f32>,
10    @location(2) undisplaced_xz: vec2<f32>,
11    @location(3) sample_data: vec3<f32>,
12    @location(4) base_world_position: vec3<f32>,
13}
14
15struct CameraDepthPath {
16    path_length: f32,
17    screen_uv: vec2<f32>,
18    scene_z: f32,
19    has_background: bool,
20}
21
22struct CameraDepthDebug {
23    path_length: f32,
24    screen_uv: vec2<f32>,
25    refracted_uv: vec2<f32>,
26    refracted_sample_valid: bool,
27    has_background: bool,
28}
29
30struct NearSurface {
31    normal: vec3<f32>,
32    lighting_normal: vec3<f32>,
33    lighting_distance: f32,
34    lighting_normal_strength: f32,
35    filtered_detail_variance: f32,
36}
37
38struct PrimaryLightState {
39    view_z: f32,
40    point_start: u32,
41    spot_start: u32,
42    light_end: u32,
43    shadow: f32,
44    color: vec3<f32>,
45    radiance: vec3<f32>,
46}
47
48struct MediumState {
49    deep_body_albedo: vec3<f32>,
50    diffuse_irradiance: vec3<f32>,
51    water_depth: f32,
52    foam_density: f32,
53}
54
55struct FoamState {
56    visible_density: f32,
57    white_density: f32,
58    white_mask: f32,
59    depth_path: CameraDepthPath,
60    has_depth_path: bool,
61}
62
63struct TransmissionState {
64    body: vec3<f32>,
65    output: vec4<f32>,
66    handled: bool,
67}
68
69struct BodyLightingState {
70    body: vec3<f32>,
71    foam_ambient: vec3<f32>,
72    fresnel: f32,
73    foam_roughness: f32,
74    environment_roughness: f32,
75    sun_roughness: f32,
76}
77
78struct LocalLightingState {
79    body: vec3<f32>,
80    reflected: vec3<f32>,
81    foam_radiance: vec3<f32>,
82    foam_normal: vec3<f32>,
83}
84