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More clean up

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This commit is contained in:
Andras Schmelczer 2026-05-20 21:03:41 +01:00
commit f03da42b5e
43 changed files with 818 additions and 1076 deletions
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63
src/pipelines/eraser/eraser-texture.wgsl
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@ -19,17 +19,10 @@ struct VertexOutput {
@location(3) @interpolate(flat) inverseLengthSquared: f32,
}
struct EraserTextureTargets {
@location(0) source: vec4<f32>,
@location(1) influence: vec4<f32>,
@location(2) trail: vec4<f32>,
}
struct EraserCombinedTargets {
@location(0) mask: vec4<f32>,
@location(1) source: vec4<f32>,
@location(2) influence: vec4<f32>,
@location(3) trail: vec4<f32>,
@location(2) trail: vec4<f32>,
}
@vertex
@ -50,35 +43,6 @@ fn vertex(
return VertexOutput(vec4(position, 0.0, 1.0), screenPosition, start, direction, inverseLengthSquared);
}
@fragment
fn fragment(
@location(0) screenPosition: vec2<f32>,
@location(1) @interpolate(flat) start: vec2<f32>,
@location(2) @interpolate(flat) direction: vec2<f32>,
@location(3) @interpolate(flat) inverseLengthSquared: f32
) -> @location(0) vec4<f32> {
if shouldDiscardEraserFragment(screenPosition, start, direction, inverseLengthSquared) {
discard;
}
return getEraserClearValue();
}
@fragment
fn fragmentMrt(
@location(0) screenPosition: vec2<f32>,
@location(1) @interpolate(flat) start: vec2<f32>,
@location(2) @interpolate(flat) direction: vec2<f32>,
@location(3) @interpolate(flat) inverseLengthSquared: f32
) -> EraserTextureTargets {
if shouldDiscardEraserFragment(screenPosition, start, direction, inverseLengthSquared) {
discard;
}
let cleared = getEraserClearValue();
return EraserTextureTargets(cleared, cleared, cleared);
}
@fragment
fn fragmentCombined(
@location(0) screenPosition: vec2<f32>,
@ -91,7 +55,7 @@ fn fragmentCombined(
}
let cleared = getEraserClearValue();
return EraserCombinedTargets(getEraserMaskValue(), cleared, cleared, cleared);
return EraserCombinedTargets(getEraserMaskValue(), cleared, cleared);
}
fn getEraserMaskValue() -> vec4<f32> {
@ -124,10 +88,6 @@ fn distanceSquaredFromLine(
) -> f32 {
let pa = position - start;
if inverseLengthSquared <= 0.0 {
return dot(pa, pa);
}
let q = clamp(dot(pa, direction) * inverseLengthSquared, 0.0, 1.0);
let nearestOffset = pa - direction * q;
return dot(nearestOffset, nearestOffset);
@ -152,14 +112,13 @@ fn segment_vertex_position(
}
fn segment_vertex_corner(index: u32) -> vec2<f32> {
if index == 0u {
return vec2<f32>(-1.0, 1.0);
}
if index == 1u || index == 3u {
return vec2<f32>(-1.0, -1.0);
}
if index == 2u || index == 4u {
return vec2<f32>(1.0, 1.0);
}
return vec2<f32>(1.0, -1.0);
let corners = array<vec2<f32>, 6>(
vec2<f32>(-1.0, 1.0),
vec2<f32>(-1.0, -1.0),
vec2<f32>(1.0, 1.0),
vec2<f32>(-1.0, -1.0),
vec2<f32>(1.0, 1.0),
vec2<f32>(1.0, -1.0),
);
return corners[index];
}