<Utility functions>
| guFrustum guFrustumF |
... | Calculates a perspective projection matrix |
| guLookAt guLookAtF |
... | Calculates a 'lookat' view matrix |
| guOrtho guOrthoF |
... | Calculates an orthogonal projection matrix |
| guPerspective guPerspectiveF |
... | Calculates a perspective projection matrix. |
<GBI command list>
| gSPViewport | ... | Loads the viewport projection parameter. |
| gSPPerspNormalize | ... | Normalizes the perspective projection. |
| gSPClipRatio | ... | Specifies the relative ratio between clipping and scissoring. |
| gDPSetScissor | ... | Specifies the scissoring box in the screen coordinates. |
| gdSPDefLookAt | ... | Loads the directions of the x and y coordinates in screen space into a 'lookat' structure. |