| Value | Meaning |
|---|---|
| Never | Means that nothing will be drawed |
| Always | Same as no depth test |
| Less | Render if the value is less than the current depth |
| LessEqual | Render if the value is less or equal than the current depth |
| Greater | Render if the value is greater than the current depth |
| GreaterEqual | Render if the value is greater or equal than the current depth |
| Equal | Render if the value is equal against the current depth |
| NotEqual | Render if the value is not equal against the current depth |
Which function should be employed whene testing the Depth/Z-Buffer