Provides an interface to control GPU frame capture in Microsoft's PIX software.
| BeginGPUCapture | Begins a GPU frame capture in PIX. If not running via PIX, or as a development build, then it has no effect. |
| EndGPUCapture | Ends the current GPU frame capture in PIX. If not running via PIX, or as a development build, then it has no effect. |
| IsAttached | Returns true if running via PIX and in a development build. |