Index - U
| UByteIndices | Graphics.GL.Low.Render, Graphics.GL.Low |
| UIntIndices | Graphics.GL.Low.Render, Graphics.GL.Low |
| Unused | Graphics.GL.Low.VertexAttrib, Graphics.GL.Low |
| updateElementArray | Graphics.GL.Low.BufferObject, Graphics.GL.Low |
| updateVBO | Graphics.GL.Low.BufferObject, Graphics.GL.Low |
| UsageHint | Graphics.GL.Low.BufferObject, Graphics.GL.Low |
| useProgram | Graphics.GL.Low.Shader, Graphics.GL.Low |
| UShortIndices | Graphics.GL.Low.Render, Graphics.GL.Low |