| context | A context object that the asset system needs to register shader dependencies properly. |
| source | 一个字符串，包含在 ShaderLab 代码中编写的着色器。 |
| compileInitialShaderVariants | 设置为 true 可编译包含在源字符串中的 ShaderLab 代码；否则为 false。 |
Creates a new Shader object from the provided source code string. You can use this method alongside the ScriptedImporter to create custom shader generation tools in the Editor.