1#define_import_path bevy_pbr::prepass_io
2
3// Most of these attributes are not used in the default prepass fragment shader, but they are still needed so we can
4// pass them to custom prepass shaders like pbr_prepass.wgsl.
5struct Vertex {
6    @builtin(instance_index) instance_index: u32,
7    @location(0) position: vec3<f32>,
8
9#ifdef VERTEX_UVS_A
10    @location(1) uv: vec2<f32>,
11#endif
12
13#ifdef VERTEX_UVS_B
14    @location(2) uv_b: vec2<f32>,
15#endif
16
17#ifdef NORMAL_PREPASS_OR_DEFERRED_PREPASS
18    @location(3) normal: vec3<f32>,
19#ifdef VERTEX_TANGENTS
20    @location(4) tangent: vec4<f32>,
21#endif
22#endif // NORMAL_PREPASS_OR_DEFERRED_PREPASS
23
24#ifdef SKINNED
25    @location(5) joint_indices: vec4<u32>,
26    @location(6) joint_weights: vec4<f32>,
27#endif
28
29#ifdef VERTEX_COLORS
30    @location(7) color: vec4<f32>,
31#endif
32
33#ifdef MORPH_TARGETS
34    @builtin(vertex_index) index: u32,
35#endif // MORPH_TARGETS
36}
37
38struct VertexOutput {
39    // This is `clip position` when the struct is used as a vertex stage output
40    // and `frag coord` when used as a fragment stage input
41    @builtin(position) position: vec4<f32>,
42
43#ifdef VERTEX_UVS_A
44    @location(0) uv: vec2<f32>,
45#endif
46
47#ifdef VERTEX_UVS_B
48    @location(1) uv_b: vec2<f32>,
49#endif
50
51#ifdef NORMAL_PREPASS_OR_DEFERRED_PREPASS
52    @location(2) world_normal: vec3<f32>,
53#ifdef VERTEX_TANGENTS
54    @location(3) world_tangent: vec4<f32>,
55#endif
56#endif // NORMAL_PREPASS_OR_DEFERRED_PREPASS
57
58    @location(4) world_position: vec4<f32>,
59#ifdef MOTION_VECTOR_PREPASS
60    @location(5) previous_world_position: vec4<f32>,
61#endif
62
63#ifdef DEPTH_CLAMP_ORTHO
64    @location(6) clip_position_unclamped: vec4<f32>,
65#endif // DEPTH_CLAMP_ORTHO
66#ifdef VERTEX_OUTPUT_INSTANCE_INDEX
67    @location(7) instance_index: u32,
68#endif
69
70#ifdef VERTEX_COLORS
71    @location(8) color: vec4<f32>,
72#endif
73}
74
75#ifdef PREPASS_FRAGMENT
76struct FragmentOutput {
77#ifdef NORMAL_PREPASS
78    @location(0) normal: vec4<f32>,
79#endif
80
81#ifdef MOTION_VECTOR_PREPASS
82    @location(1) motion_vector: vec2<f32>,
83#endif
84
85#ifdef DEFERRED_PREPASS
86    @location(2) deferred: vec4<u32>,
87    @location(3) deferred_lighting_pass_id: u32,
88#endif
89
90#ifdef DEPTH_CLAMP_ORTHO
91    @builtin(frag_depth) frag_depth: f32,
92#endif // DEPTH_CLAMP_ORTHO
93}
94#endif //PREPASS_FRAGMENT