| Value | Meaning |
|---|---|
| DrawGL_STREAM_DRAW | The contents of the data memory is determined once by the application and rarely used as the source for GL rendering command. |
| ReadGL_STREAM_READ | The contents of the data memory is determined once for reading data and rarely queried by the application. |
| CopyGL_STREAM_COPY | The contents of the data memory is determined once for reading data and rarely used as the source for GL rendering command. |
Stream usage