keras-js/lib/webgl/dynamic/merge/subtract.js

Run Keras models in the browser, with GPU support using WebGL

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = subtract;

function subtract(numInputs, shape) {
  const source = `#version 300 es
precision highp float;

in vec2 outTex;
uniform sampler2D inputs[2];
out vec4 outColor;

void main() {
  int out_y = int(float(${shape[0]}) * outTex.y);
  int out_x = int(float(${shape[1]}) * outTex.x);
  
  outColor = vec4(texelFetch(inputs[0], ivec2(out_x, out_y), 0).r - texelFetch(inputs[1], ivec2(out_x, out_y), 0).r);
}
`;
  return source;
}