/// <summary>
/// 获取所有的GlobalKeyword
/// </summary>
/// <param name="shader"></param>
/// <returns></returns>
List <string> GetShaderAllKeyworlds(Shader shader)
{
List <string> keywords = null;
shaderKeyworldsDic.TryGetValue(shader, out keywords);
if (keywords == null)
{
keywords = new List <string>(ShaderUtilImpl.GetShaderGlobalKeywords(shader));
shaderKeyworldsDic.Add(shader, keywords);
}
return(keywords);
}
