Function createProgram

src/webgl.js:26–46

(gl, vertSrc, fragSrc)

 * @returns {WebGLProgram | null}
 */
export function createProgram(gl, vertSrc, fragSrc) {
  const vert = createShader(gl, gl.VERTEX_SHADER, vertSrc)
  const frag = createShader(gl, gl.FRAGMENT_SHADER, fragSrc)
  if (!vert || !frag) return null

  const program = gl.createProgram()
  gl.attachShader(program, vert)
  gl.attachShader(program, frag)
  gl.linkProgram(program)

  if (!gl.getProgramParameter(program, gl.LINK_STATUS)) {
    gl.deleteProgram(program)
    return null
  }

  // Clean up shaders after linking
  gl.deleteShader(vert)
  gl.deleteShader(frag)

  return program
}

export function getUniformLocations(gl, program, names) {
  const locations = {}