| QGL | Specifies miscellaneous identifiers used in the Qt OpenGL module |
| QGLColormap | Used for installing custom colormaps into a QGLWidget |
| QGLContext | Encapsulates an OpenGL rendering context |
| QGLFormat | Specifies the display format of an OpenGL rendering context |
| QGLFramebufferObject | Encapsulates an OpenGL framebuffer object |
| QGLFramebufferObjectFormat | Specifies the format of an OpenGL framebuffer object |
| QGLPixelBuffer | Encapsulates an OpenGL pbuffer |
| QGLShader | Allows OpenGL shaders to be compiled |
| QGLShaderProgram | Allows OpenGL shader programs to be linked and used |
| QGLWidget | Widget for rendering OpenGL graphics |
| QGenericMatrix | Template class that represents a NxM transformation matrix with N columns and M rows |
| QMatrix4x4 | Represents a 4x4 transformation matrix in 3D space |
| QQuaternion | Represents a quaternion consisting of a vector and scalar |
| QVector2D | Represents a vector or vertex in 2D space |
| QVector3D | Represents a vector or vertex in 3D space |
| QVector4D | Represents a vector or vertex in 4D space |