Function getMaterial

src/dyno/program.ts:107–121

(program: DynoProgram)

const programMaterial = new WeakMap<DynoProgram, THREE.RawShaderMaterial>();

function getMaterial(program: DynoProgram): THREE.RawShaderMaterial {
  let material = programMaterial.get(program);
  if (material) {
    return material;
  }

  material = new THREE.RawShaderMaterial({
    glslVersion: THREE.GLSL3,
    vertexShader: IDENT_VERTEX_SHADER,
    fragmentShader: program.shader,
    uniforms: program.uniforms,
  });
  programMaterial.set(program, material);
  return material;
}