const TEXTURE_MAP_NONE: u32 = 0xFFFFFFFFu

const MIRROR_ROUGHNESS_THRESHOLD: AbstractFloat = 0.001f

const LIGHT_SOURCE_KIND_EMISSIVE_MESH: u32 = 0u

const LIGHT_SOURCE_KIND_DIRECTIONAL: u32 = 1u

const LIGHT_NOT_PRESENT_THIS_FRAME: u32 = 0xFFFFFFFFu

const RAY_T_MIN: AbstractFloat = 0.001f

const RAY_T_MAX: AbstractFloat = 100000.0f

const RAY_NO_CULL: u32 = 0xFFu

var<storage> vertex_buffers: binding_array<VertexBuffer>

var<storage> index_buffers: binding_array<IndexBuffer>

var textures: binding_array<texture_2d<f32>>

var samplers: binding_array<sampler>

var<storage> materials: array<Material>

var tlas: acceleration_structure

var<storage> transforms: array<mat4x4<f32>>

var<storage> previous_frame_transforms: array<mat4x4<f32>>

var<storage> geometry_ids: array<InstanceGeometryIds>

var<storage> material_ids: array<u32>

var<storage> light_sources: array<LightSource>

var<storage> directional_lights: array<DirectionalLight>

var<storage> previous_frame_light_id_translations: array<u32>

var brdf_dfg_lut: texture_2d<f32>

var brdf_dfg_lut_sampler: sampler

fn unpack_vertex ( ) -> Vertex

fn trace_ray ( ) -> RayIntersection

fn sample_texture ( ) -> vec3<f32>

fn resolve_material ( ) -> ResolvedMaterial

fn resolve_ray_hit_full ( ) -> ResolvedRayHitFull

fn load_vertices ( ) -> array<Vertex, 3>

fn transform_positions ( ) -> array<vec3<f32>, 3>

fn resolve_triangle_data_full ( ) -> ResolvedRayHitFull