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transmittance_lut.wgsl

Bindings

transmittance_lut_out

#
@group(0)
@binding(13)
var transmittance_lut_out: texture_storage_2d<rgba16float, write>

Functions

main

#
@compute
Runs custom parallel code on the GPU, not limited to graphics
@workgroup_size(16, 16, 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 main (
@builtin(global_invocation_id)
idx: vec3<u32>
)

ray_optical_depth

#

Compute the optical depth of the atmosphere from the ground to the top atmosphere boundary at a given view height ® and zenith cos angle (mu)

fn ray_optical_depth (
r: f32
, 
mu: f32
, 
sample_count: u32
) -> vec3<f32>