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Move vertex position function into own file

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This commit is contained in:
Jim Eckerlein 2023-09-24 15:19:07 +02:00
parent bcc55e6036
commit e197abe0aa
4 changed files with 13 additions and 8 deletions
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8
wgpu/src/shader/quad.wgsl
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@ -37,11 +37,3 @@ fn select_border_radius(radi: vec4<f32>, position: vec2<f32>, center: vec2<f32>)
rx = select(rx, ry, position.y > center.y);
return rx;
}
// Compute the normalized quad coordinates based on the vertex index.
fn vertex_position(vertex_index: u32) -> vec2<f32> {
// #: 0 1 2 3 4 5
// x: 1 1 0 0 0 1
// y: 1 0 0 0 1 1
return vec2<f32>((vec2(1u, 2u) + vertex_index) % 6u < 3u);
}

7
wgpu/src/shader/vertex.wgsl Normal file
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@ -0,0 +1,7 @@
// Compute the normalized quad coordinates based on the vertex index.
fn vertex_position(vertex_index: u32) -> vec2<f32> {
// #: 0 1 2 3 4 5
// x: 1 1 0 0 0 1
// y: 1 0 0 0 1 1
return vec2<f32>((vec2(1u, 2u) + vertex_index) % 6u < 3u);
}