65 lines
2.2 KiB
JavaScript
65 lines
2.2 KiB
JavaScript
'use strict';
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var Extensions = require('../extensions/Extensions.js');
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var BlendModeFilter = require('../filters/blend-modes/BlendModeFilter.js');
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"use strict";
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class SoftLightBlend extends BlendModeFilter.BlendModeFilter {
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constructor() {
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super({
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gl: {
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functions: `
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float softLight(float base, float blend)
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{
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return (blend < 0.5) ? (2.0 * base * blend + base * base * (1.0 - 2.0 * blend)) : (sqrt(base) * (2.0 * blend - 1.0) + 2.0 * base * (1.0 - blend));
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}
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vec3 blendSoftLight(vec3 base, vec3 blend, float opacity)
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{
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vec3 blended = vec3(
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softLight(base.r, blend.r),
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softLight(base.g, blend.g),
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softLight(base.b, blend.b)
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);
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return (blended * opacity + base * (1.0 - opacity));
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}
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`,
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main: `
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finalColor = vec4(blendSoftLight(back.rgb, front.rgb, front.a), blendedAlpha) * uBlend;
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`
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},
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gpu: {
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functions: `
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fn softLight(base: f32, blend: f32) -> f32
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{
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return select(2.0 * base * blend + base * base * (1.0 - 2.0 * blend), sqrt(base) * (2.0 * blend - 1.0) + 2.0 * base * (1.0 - blend), blend < 0.5);
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}
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fn blendSoftLight(base:vec3<f32>, blend:vec3<f32>, opacity:f32) -> vec3<f32>
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{
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let blended: vec3<f32> = vec3<f32>(
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softLight(base.r, blend.r),
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softLight(base.g, blend.g),
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softLight(base.b, blend.b)
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);
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return (blended * opacity + base * (1.0 - opacity));
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}
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`,
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main: `
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out = vec4<f32>(blendSoftLight(back.rgb, front.rgb, front.a), blendedAlpha) * blendUniforms.uBlend;
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`
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}
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});
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}
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}
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/** @ignore */
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SoftLightBlend.extension = {
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name: "soft-light",
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type: Extensions.ExtensionType.BlendMode
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};
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exports.SoftLightBlend = SoftLightBlend;
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//# sourceMappingURL=SoftLightBlend.js.map
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