andras/fleeting-garden
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This commit is contained in:
Andras Schmelczer 2026-05-21 07:43:10 +01:00
commit 6bc125be1c
104 changed files with 3084 additions and 2410 deletions
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41
src/pipelines/render/render.wgsl
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@ -1,10 +1,10 @@
struct Settings {
colorA: vec3<f32>,
backgroundColorPadding0: f32,
_colorAPadding: f32,
colorB: vec3<f32>,
backgroundColorPadding1: f32,
_colorBPadding: f32,
colorC: vec3<f32>,
backgroundColorPadding2: f32,
_colorCPadding: f32,
backgroundColor: vec3<f32>,
clarity: f32,
traceNormalizationFloor: f32,
@ -24,18 +24,32 @@ fn fragment(@builtin(position) position: vec4<f32>) -> @location(0) vec4<f32> {
let pixel = vec2<i32>(position.xy);
let traces = textureLoad(trailMap, pixel, 0);
let sources = textureLoad(sourceMap, pixel, 0);
return renderColor(traces, sources, pixel);
return renderColor(traces, sources, getTexturedBackground(pixel));
}
@fragment
fn fragmentNoSource(@builtin(position) position: vec4<f32>) -> @location(0) vec4<f32> {
let pixel = vec2<i32>(position.xy);
let traces = textureLoad(trailMap, pixel, 0);
return renderColor(traces, vec4<f32>(0.0), pixel);
return renderColor(traces, vec4<f32>(0.0), getTexturedBackground(pixel));
}
fn renderColor(traces: vec4<f32>, sources: vec4<f32>, pixel: vec2<i32>) -> vec4<f32> {
let background = getTexturedBackground(pixel);
@fragment
fn fragmentNoGrain(@builtin(position) position: vec4<f32>) -> @location(0) vec4<f32> {
let pixel = vec2<i32>(position.xy);
let traces = textureLoad(trailMap, pixel, 0);
let sources = textureLoad(sourceMap, pixel, 0);
return renderColor(traces, sources, getFlatBackground());
}
@fragment
fn fragmentNoSourceNoGrain(@builtin(position) position: vec4<f32>) -> @location(0) vec4<f32> {
let pixel = vec2<i32>(position.xy);
let traces = textureLoad(trailMap, pixel, 0);
return renderColor(traces, vec4<f32>(0.0), getFlatBackground());
}
fn renderColor(traces: vec4<f32>, sources: vec4<f32>, background: vec3<f32>) -> vec4<f32> {
let tracesMax = maxComponent(traces.rgb);
let sourcesMax = maxComponent(sources.rgb);
if max(tracesMax, sourcesMax) <= 0.0 {
@ -93,7 +107,11 @@ fn maxComponent(v: vec3<f32>) -> f32 {
}
fn clarity(strength: f32) -> f32 {
return pow(clamp(strength, 0, 1), settings.clarity);
let clamped = clamp(strength, 0, 1);
if settings.clarity == 1.0 {
return clamped;
}
return pow(clamped, settings.clarity);
}
fn normalizeColorIntensity(color: vec3<f32>) -> vec3<f32> {
@ -101,10 +119,11 @@ fn normalizeColorIntensity(color: vec3<f32>) -> vec3<f32> {
return color / max(settings.traceNormalizationFloor, brightestChannel);
}
fn getFlatBackground() -> vec3<f32> {
return clamp(settings.backgroundColor, vec3(0), vec3(1));
}
fn getTexturedBackground(pixel: vec2<i32>) -> vec3<f32> {
if settings.backgroundGrainStrength == 0.0 {
return clamp(settings.backgroundColor, vec3(0), vec3(1));
}
let noiseCoord = vec2<i32>(vec2<u32>(pixel) & vec2<u32>(NOISE_TEXTURE_MASK));
let grain = textureLoad(noise, noiseCoord, 0).r - 0.5;