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molstar

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A comprehensive macromolecular library.

33 lines (27 loc) 926 B
"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.blur_frag = void 0; exports.blur_frag = ` precision highp float; precision highp int; precision highp sampler2D; uniform sampler2D tInput; uniform vec2 uTexSizeInv; uniform vec2 uDirection; uniform float uGaussianCoefficients[dKernelRadius]; void main(void) { vec2 coords = gl_FragCoord.xy * uTexSizeInv; float weightSum = uGaussianCoefficients[0]; vec4 diffuseSum = texture2D(tInput, coords) * weightSum; for(int i = 1; i < dKernelRadius; ++i) { float x = float(i); float w = uGaussianCoefficients[i]; vec2 offset = uDirection * uTexSizeInv * x; vec4 sample1 = texture2D(tInput, coords + offset); vec4 sample2 = texture2D(tInput, coords - offset); diffuseSum += (sample1 + sample2) * w; weightSum += 2.0 * w; } gl_FragColor = diffuseSum / weightSum; } `;