speck-renderer/dist/src/shaders/blur.glsl.js

Browser-based WebGL molecule renderer with the goal of producing figures that are as attractive as they are practical.

"use strict";

Object.defineProperty(exports, "__esModule", {
    value: true
});
var blurShader = "#version 100\nprecision highp float;\n\nattribute vec3 aPosition;\n\nvoid main() {\n    gl_Position = vec4(aPosition, 1);\n}\n\n\n// __split__\n\n\n#version 100\nprecision highp float;\n\nuniform sampler2D uTexture;\nuniform float uRes;\nuniform int leftRight;\n\nvoid main() {\n    vec2 dir;\n    if (leftRight == 1) {\n        dir = vec2(1,0)/uRes;\n    } else {\n        dir = vec2(0,1)/uRes;\n    }\n    const int range = 16;\n    vec4 sample = vec4(0,0,0,0);\n    for (int i = -range; i <= range; i++) {\n        vec2 p = gl_FragCoord.xy/uRes + dir * float(i);\n        sample += texture2D(uTexture, p);\n    }\n    sample /= float(range) * 2.0 + 1.0;\n    gl_FragColor = sample;\n}";
exports.default = blurShader;