| R | Graphics.UI.GLUT |
| R3G3B2 | Graphics.UI.GLUT |
| RGB | Graphics.UI.GLUT |
| RGB' | Graphics.UI.GLUT |
| RGB10 | Graphics.UI.GLUT |
| RGB10A2 | Graphics.UI.GLUT |
| RGB12 | Graphics.UI.GLUT |
| RGB16 | Graphics.UI.GLUT |
| RGB4 | Graphics.UI.GLUT |
| RGB5 | Graphics.UI.GLUT |
| RGB5A1 | Graphics.UI.GLUT |
| RGB8 | Graphics.UI.GLUT |
| RGBA | Graphics.UI.GLUT |
| RGBA' | Graphics.UI.GLUT |
| RGBA12 | Graphics.UI.GLUT |
| RGBA16 | Graphics.UI.GLUT |
| RGBA2 | Graphics.UI.GLUT |
| RGBA4 | Graphics.UI.GLUT |
| RGBA8 | Graphics.UI.GLUT |
| RGBAMode | Graphics.UI.GLUT.Initialization, Graphics.UI.GLUT |
| RGBMode | Graphics.UI.GLUT.Initialization, Graphics.UI.GLUT |
| RToR | Graphics.UI.GLUT |
| Radius | Graphics.UI.GLUT |
| RasterPos | Graphics.UI.GLUT |
| RasterPosComponent | Graphics.UI.GLUT |
| ReadFromBuffer | Graphics.UI.GLUT |
| ReadOnly | Graphics.UI.GLUT |
| ReadWrite | Graphics.UI.GLUT |
| Rect | Graphics.UI.GLUT |
| Red | Graphics.UI.GLUT |
| Reduce | Graphics.UI.GLUT |
| ReflectionMap | Graphics.UI.GLUT |
| RefreshRate | Graphics.UI.GLUT.GameMode, Graphics.UI.GLUT |
| Relation | Graphics.UI.GLUT.Initialization, Graphics.UI.GLUT |
| Render | Graphics.UI.GLUT |
| RenderMode | Graphics.UI.GLUT |
| RenderingContext | Graphics.UI.GLUT.Initialization, Graphics.UI.GLUT |
| Repeat | Graphics.UI.GLUT |
| Repeated | Graphics.UI.GLUT |
| Repetition | Graphics.UI.GLUT |
| Replace | Graphics.UI.GLUT |
| Replace' | Graphics.UI.GLUT |
| ReplicateBorder | Graphics.UI.GLUT |
| Reset |
| 1 (Type/Class) | Graphics.UI.GLUT |
| 2 (Data Constructor) | Graphics.UI.GLUT |
| ReshapeCallback | Graphics.UI.GLUT.Callbacks.Window, Graphics.UI.GLUT.Callbacks, Graphics.UI.GLUT |
| Return | Graphics.UI.GLUT |
| RhombicDodecahedron | Graphics.UI.GLUT.Objects, Graphics.UI.GLUT |
| RightArrow | Graphics.UI.GLUT.Window, Graphics.UI.GLUT |
| RightBuffers | Graphics.UI.GLUT |
| RightButton | Graphics.UI.GLUT.Callbacks.Window, Graphics.UI.GLUT.Callbacks, Graphics.UI.GLUT |
| RightSide | Graphics.UI.GLUT.Window, Graphics.UI.GLUT |
| Rings | Graphics.UI.GLUT.Objects, Graphics.UI.GLUT |
| Roman | Graphics.UI.GLUT.Fonts, Graphics.UI.GLUT |
| RowMajor | Graphics.UI.GLUT |
| rasterPos | Graphics.UI.GLUT |
| rasterPositionUnclipped | Graphics.UI.GLUT |
| rasterPosv | Graphics.UI.GLUT |
| readBuffer | Graphics.UI.GLUT |
| readPixels | Graphics.UI.GLUT |
| rect | Graphics.UI.GLUT |
| rectv | Graphics.UI.GLUT |
| renderMode | Graphics.UI.GLUT |
| renderObject | Graphics.UI.GLUT.Objects, Graphics.UI.GLUT |
| renderPrimitive | Graphics.UI.GLUT |
| renderQuadric | Graphics.UI.GLUT |
| renderString | Graphics.UI.GLUT.Fonts, Graphics.UI.GLUT |
| renderer | Graphics.UI.GLUT |
| renderingContext | Graphics.UI.GLUT.Initialization, Graphics.UI.GLUT |
| reportErrors | Graphics.UI.GLUT.Debugging, Graphics.UI.GLUT |
| rescaleNormal | Graphics.UI.GLUT |
| resetHistogram | Graphics.UI.GLUT |
| resetMinmax | Graphics.UI.GLUT |
| reshapeCallback | Graphics.UI.GLUT.Callbacks.Window, Graphics.UI.GLUT.Callbacks, Graphics.UI.GLUT |
| rgbScale | Graphics.UI.GLUT |
| rgba | Graphics.UI.GLUT.State, Graphics.UI.GLUT |
| rgbaBias | Graphics.UI.GLUT |
| rgbaBits | Graphics.UI.GLUT |
| rgbaBufferDepths | Graphics.UI.GLUT.State, Graphics.UI.GLUT |
| rgbaMode | Graphics.UI.GLUT |
| rgbaScale | Graphics.UI.GLUT |
| rotate | Graphics.UI.GLUT |
| rowAlignment | Graphics.UI.GLUT |
| rowLength | Graphics.UI.GLUT |
