1#define_import_path bevy_render::view
2
3struct ColorGrading {
4    balance: mat3x3<f32>,
5    saturation: vec3<f32>,
6    contrast: vec3<f32>,
7    gamma: vec3<f32>,
8    gain: vec3<f32>,
9    lift: vec3<f32>,
10    midtone_range: vec2<f32>,
11    exposure: f32,
12    hue: f32,
13    post_saturation: f32,
14}
15
16struct View {
17    clip_from_world: mat4x4<f32>,
18    unjittered_clip_from_world: mat4x4<f32>,
19    world_from_clip: mat4x4<f32>,
20    world_from_view: mat4x4<f32>,
21    view_from_world: mat4x4<f32>,
22    // Typically a right-handed projection matrix, one of either:
23    //
24    // Perspective (infinite reverse z)
25    // ```
26    // f = 1 / tan(fov_y_radians / 2)
27    //
28    // ⎡ f / aspect  0     0   0 ⎤
29    // ⎢          0  f     0   0 ⎥
30    // ⎢          0  0     0  -1 ⎥
31    // ⎣          0  0  near   0 ⎦
32    // ```
33    //
34    // Orthographic
35    // ```
36    // w = right - left
37    // h = top - bottom
38    // d = near - far
39    // cw = -right - left
40    // ch = -top - bottom
41    //
42    // ⎡  2 / w       0         0  0 ⎤
43    // ⎢      0   2 / h         0  0 ⎥
44    // ⎢      0       0     1 / d  0 ⎥
45    // ⎣ cw / w  ch / h  near / d  1 ⎦
46    // ```
47    //
48    // `clip_from_view[3][3] == 1.0` is the standard way to check if a projection is orthographic
49    // 
50    // Custom projections are also possible however.
51    clip_from_view: mat4x4<f32>,
52    view_from_clip: mat4x4<f32>,
53    world_position: vec3<f32>,
54    exposure: f32,
55    // viewport(x_origin, y_origin, width, height)
56    viewport: vec4<f32>,
57    // 6 world-space half spaces (normal: vec3, distance: f32) ordered left, right, top, bottom, near, far.
58    // The normal vectors point towards the interior of the frustum.
59    // A half space contains `p` if `normal.dot(p) + distance > 0.`
60    frustum: array<vec4<f32>, 6>,
61    color_grading: ColorGrading,
62    mip_bias: f32,
63    frame_count: u32,
64};