// Vertex shader

struct CameraUniform {
    view: mat4x4<f32>,
    proj: mat4x4<f32>,
    position: vec4<f32>,
}
@group(0) @binding(0)
var<uniform> camera: CameraUniform;

struct Light {
    position: vec3<f32>,
    color: vec4<f32>,
    matrices: array<mat4x4<f32>, 6>,
    active_matrix: u32,
}
@group(1) @binding(0)
var<uniform> light: Light;

struct VertexInput {
    @location(0) position: vec3<f32>,
    @location(1) tex_coords: vec2<f32>,
    @location(2) normal: vec3<f32>,
    @location(3) tangent: vec3<f32>,
    @location(4) bitangent: vec3<f32>,
}

struct InstanceInput {
    @location(5) model_matrix_0: vec4<f32>,
    @location(6) model_matrix_1: vec4<f32>,
    @location(7) model_matrix_2: vec4<f32>,
    @location(8) model_matrix_3: vec4<f32>,
    @location(9) normal_matrix_0: vec3<f32>,
    @location(10) normal_matrix_1: vec3<f32>,
    @location(11) normal_matrix_2: vec3<f32>,
}

struct VertexOutput {
    @builtin(position) clip_position: vec4<f32>,
    @location(0) tex_coords: vec2<f32>,
    @location(1) tangent_position: vec3<f32>,
    @location(2) tangent_light_position: vec3<f32>,
    @location(3) tangent_view_position: vec3<f32>,
    @location(4) world_position: vec4<f32>,
}

// Fragment shader

@group(1)@binding(1)
var t_light_depth: binding_array<texture_depth_2d>;
@group(1) @binding(2)
var s_light_depth: binding_array<sampler_comparison>;