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61 lines (56 loc) • 1.94 kB
JavaScript
import { ExtensionType } from '../extensions/Extensions.mjs';
import { BlendModeFilter } from '../filters/blend-modes/BlendModeFilter.mjs';
"use strict";
class HardMixBlend extends BlendModeFilter {
constructor() {
super({
gl: {
functions: `
float hardMix(float base, float blend)
{
return (base + blend >= 1.0) ? 1.0 : 0.0;
}
vec3 blendHardMix(vec3 base, vec3 blend, float opacity)
{
vec3 blended = vec3(
hardMix(base.r, blend.r),
hardMix(base.g, blend.g),
hardMix(base.b, blend.b)
);
return (blended * opacity + base * (1.0 - opacity));
}
`,
main: `
finalColor = vec4(blendHardMix(back.rgb, front.rgb,front.a), blendedAlpha) * uBlend;
`
},
gpu: {
functions: `
fn hardMix(base: f32, blend: f32) -> f32
{
return select(0.0, 1.0, base + blend >= 1.0);
}
fn blendHardMix(base:vec3<f32>, blend:vec3<f32>, opacity:f32) -> vec3<f32>
{
let blended: vec3<f32> = vec3<f32>(
hardMix(base.r, blend.r),
hardMix(base.g, blend.g),
hardMix(base.b, blend.b)
);
return (blended * opacity + base * (1.0 - opacity));
}
`,
main: `
out = vec4<f32>(blendHardMix(back.rgb, front.rgb, front.a), blendedAlpha) * blendUniforms.uBlend;
`
}
});
}
}
/** @ignore */
HardMixBlend.extension = {
name: "hard-mix",
type: ExtensionType.BlendMode
};
export { HardMixBlend };
//# sourceMappingURL=HardMixBlend.mjs.map