following constants can be used anywhere in your code in place of the actual values:
| Name | Value | Description |
|---|---|---|
| RF_GL_FRONT | 1 | (OpenGL spec.) Front face mode. |
| RF_GL_BACK | 2 | (OpenGL spec.) Back face mode. |
| RF_GL_FRONT_AND_BACK | 3 | (OpenGL spec.) Both of front and back face mode. |