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Packages › bevy_solari › restir_gi.wgsl

Constants

SPATIAL_REUSE_RADIUS_PIXELS

#
const SPATIAL_REUSE_RADIUS_PIXELS: AbstractFloat = 30.0

CONFIDENCE_WEIGHT_CAP

#
const CONFIDENCE_WEIGHT_CAP: AbstractFloat = 8.0

Structures

NeighborInfo

#
struct NeighborInfo {
reservoir: Reservoir,
world_position: vec3<f32>,
world_normal: vec3<f32>,
diffuse_brdf: vec3<f32>,
}

ReservoirMergeResult

#
struct ReservoirMergeResult {
merged_reservoir: Reservoir,
selected_sample_radiance: vec3<f32>,
wi: vec3<f32>,
}

Functions

initial_and_temporal

#
@compute
Runs custom parallel code on the GPU, not limited to graphics
@workgroup_size(8, 8, 1)
Defines the size of a thread group. One to three numbers: width (x), height (y), and depth (z). Missing values default to 1
fn initial_and_temporal (
@builtin(global_invocation_id)
global_id: vec3<u32>
)

spatial_and_shade

#
@compute
Runs custom parallel code on the GPU, not limited to graphics
@workgroup_size(8, 8, 1)
Defines the size of a thread group. One to three numbers: width (x), height (y), and depth (z). Missing values default to 1
fn spatial_and_shade (
@builtin(global_invocation_id)
global_id: vec3<u32>
)

generate_initial_reservoir

#
fn generate_initial_reservoir (
world_position: vec3<f32>,
world_normal: vec3<f32>,
rng: ptr<function, u32>
) -> Reservoir

load_temporal_reservoir

#
fn load_temporal_reservoir (
pixel_id: vec2<u32>,
depth: f32,
world_position: vec3<f32>,
world_normal: vec3<f32>
) -> NeighborInfo

load_temporal_reservoir_inner

#
fn load_temporal_reservoir_inner (
temporal_pixel_id: vec2<u32>,
depth: f32,
world_position: vec3<f32>,
world_normal: vec3<f32>
) -> NeighborInfo

load_spatial_reservoir

#
fn load_spatial_reservoir (
pixel_id: vec2<u32>,
depth: f32,
world_position: vec3<f32>,
world_normal: vec3<f32>,
rng: ptr<function, u32>
) -> NeighborInfo

get_neighbor_pixel_id

#
fn get_neighbor_pixel_id (
center_pixel_id: vec2<u32>,
search_radius: f32,
rng: ptr<function, u32>
) -> vec2<u32>

jacobian

#
fn jacobian (
new_world_position: vec3<f32>,
original_world_position: vec3<f32>,
sample_point_world_position: vec3<f32>,
sample_point_world_normal: vec3<f32>
) -> f32

isinf

#
fn isinf (
x: f32
) -> bool

empty_reservoir

#
fn empty_reservoir () -> Reservoir

merge_reservoirs

#
fn merge_reservoirs (
canonical_reservoir: Reservoir,
canonical_world_position: vec3<f32>,
canonical_world_normal: vec3<f32>,
canonical_diffuse_brdf: vec3<f32>,
other_reservoir: Reservoir,
other_world_position: vec3<f32>,
other_world_normal: vec3<f32>,
other_diffuse_brdf: vec3<f32>,
rng: ptr<function, u32>
) -> ReservoirMergeResult
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