85 lines
2.7 KiB
JavaScript
85 lines
2.7 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 VividLightBlend 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 colorBurn(float base, float blend)
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{
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return max((1.0-((1.0-base)/blend)),0.0);
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}
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float colorDodge(float base, float blend)
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{
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return min(1.0, base / (1.0-blend));
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}
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float vividLight(float base, float blend)
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{
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return (blend < 0.5) ? colorBurn(base,(2.0*blend)) : colorDodge(base,(2.0*(blend-0.5)));
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}
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vec3 blendVividLight(vec3 base, vec3 blend, float opacity)
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{
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vec3 blended = vec3(
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vividLight(base.r, blend.r),
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vividLight(base.g, blend.g),
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vividLight(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(blendVividLight(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 colorBurn(base:f32, blend:f32) -> f32
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{
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return max((1.0-((1.0-base)/blend)),0.0);
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}
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fn colorDodge(base: f32, blend: f32) -> f32
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{
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return min(1.0, base / (1.0-blend));
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}
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fn vividLight(base: f32, blend: f32) -> f32
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{
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return select(colorDodge(base,(2.0*(blend-0.5))), colorBurn(base,(2.0*blend)), blend<0.5);
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}
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fn blendVividLight(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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vividLight(base.r, blend.r),
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vividLight(base.g, blend.g),
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vividLight(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>(blendVividLight(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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VividLightBlend.extension = {
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name: "vivid-light",
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type: Extensions.ExtensionType.BlendMode
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};
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exports.VividLightBlend = VividLightBlend;
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//# sourceMappingURL=VividLightBlend.js.map
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