molstar/lib/commonjs/mol-gl/shader/bloom/composite.frag.js

A comprehensive macromolecular library.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.composite_frag = void 0;
exports.composite_frag = `
precision highp float;
precision highp int;
precision highp sampler2D;

uniform vec2 uTexSizeInv;

uniform sampler2D tBlur1;
uniform sampler2D tBlur2;
uniform sampler2D tBlur3;
uniform sampler2D tBlur4;
uniform sampler2D tBlur5;
uniform float uBloomStrength;
uniform float uBloomRadius;
uniform float uBloomFactors[5];
uniform vec3 uBloomTints[5];

float lerpBloomFactor(const in float factor) {
    float mirrorFactor = 1.2 - factor;
    return mix(factor, mirrorFactor, uBloomRadius);
}

void main(void) {
    vec2 coords = gl_FragCoord.xy * uTexSizeInv;

    gl_FragColor = uBloomStrength * (
        lerpBloomFactor(uBloomFactors[0]) * vec4(uBloomTints[0], 1.0) * texture2D(tBlur1, coords) +
        lerpBloomFactor(uBloomFactors[1]) * vec4(uBloomTints[1], 1.0) * texture2D(tBlur2, coords) +
        lerpBloomFactor(uBloomFactors[2]) * vec4(uBloomTints[2], 1.0) * texture2D(tBlur3, coords) +
        lerpBloomFactor(uBloomFactors[3]) * vec4(uBloomTints[3], 1.0) * texture2D(tBlur4, coords) +
        lerpBloomFactor(uBloomFactors[4]) * vec4(uBloomTints[4], 1.0) * texture2D(tBlur5, coords)
    );
}
`;