screenshot.wgsl

Name	Group	Binding index	Binding type	Type
t #	0	0		texture_2d<f32>

#

@vertex

This vertex shader will create a triangle that will cover the entire screen with minimal effort, avoiding the need for a vertex buffer etc.

fn vs_main(in_vertex_index: u32) -> @builtin(position) vec4<f32>

Parameter	Type
in_vertex_index	u32

Returns: @builtin(position) vec4<f32>

#

@fragment

fn fs_main(pos: vec4<f32>) -> @location(0) vec4<f32>

Parameter	Type
pos	vec4<f32>

Returns: @location(0) vec4<f32>

`screenshot.wgsl`