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62 lines (56 loc) • 2.06 kB
JavaScript
import { ExtensionType } from '../extensions/Extensions.mjs';
import { BlendModeFilter } from '../filters/blend-modes/BlendModeFilter.mjs';
"use strict";
class HardLightBlend extends BlendModeFilter {
constructor() {
super({
gl: {
functions: `
float hardLight(float base, float blend)
{
return (blend < 0.5) ? 2.0 * base * blend : 1.0 - 2.0 * (1.0 - base) * (1.0 - blend);
}
vec3 blendHardLight(vec3 base, vec3 blend, float opacity)
{
vec3 blended = vec3(
hardLight(base.r, blend.r),
hardLight(base.g, blend.g),
hardLight(base.b, blend.b)
);
return (blended * opacity + base * (1.0 - opacity));
}
`,
main: `
finalColor = vec4(blendHardLight(back.rgb, front.rgb,front.a), blendedAlpha) * uBlend;
`
},
gpu: {
functions: `
fn hardLight(base: f32, blend: f32) -> f32
{
return select(1.0 - 2.0 * (1.0 - base) * (1.0 - blend), 2.0 * base * blend, blend < 0.5);
}
fn blendHardLight(base: vec3<f32>, blend: vec3<f32>, opacity: f32) -> vec3<f32>
{
let blended = vec3<f32>(
hardLight(base.r, blend.r),
hardLight(base.g, blend.g),
hardLight(base.b, blend.b)
);
return (blended * opacity + base * (1.0 - opacity));
}
`,
main: `
out = vec4<f32>(blendHardLight(back.rgb, front.rgb, front.a), blendedAlpha) * blendUniforms.uBlend;
`
}
});
}
}
/** @ignore */
HardLightBlend.extension = {
name: "hard-light",
type: ExtensionType.BlendMode
};
export { HardLightBlend };
//# sourceMappingURL=HardLightBlend.mjs.map