Function getOrCreateUniformNode

src/strands/strands_api.js:58–77

(strandsContext, uniformName, typeInfo, defaultValueFn)

}

function getOrCreateUniformNode(strandsContext, uniformName, typeInfo, defaultValueFn) {
  const cache = _getBuiltinGlobalsCache(strandsContext);

  const cached = cache.nodes.get(uniformName);
  if (cached) return cached;

  if (!cache.uniformsAdded.has(uniformName)) {
    cache.uniformsAdded.add(uniformName);
    strandsContext.uniforms.push({
      name: uniformName,
      typeInfo,
      defaultValue: defaultValueFn,
    });
  }

  const { id, dimension } = build.variableNode(strandsContext, typeInfo, uniformName);
  const node = createStrandsNode(id, dimension, strandsContext);
  cache.nodes.set(uniformName, node);
  return node;
}

function getBuiltinGlobalNode(strandsContext, name) {
  const spec = BUILTIN_GLOBAL_SPECS[name];