This program performs a prelighting test. In this test, the software calculates the prelit color for each vertex. The prelit color functions as the ambient color of the RGB color channel when the color of hardware lights is added.
This program also tests any combination of material/ambient source settings.
| Functions | Parameters | Description |
GXInitLightDir |
Light direction (nx, ny, nz) | Various values. |
GXSetChanCtrl |
Color channel ID | Always GX_COLOR0. |
| Channel enable | Always GX_ENABLE. |
|
| Ambient color source | GX_SRC_VTX / GX_SRC_REG |
|
| Material color source | GX_SRC_VTX / GX_SRC_REG |
|
| Light mask | All lights always enabled. | |
| Diffusion function | Always GX_DF_CLAMP. |
|
| Attenuation function | Always GX_AF_SPOT. |
|
GXSetChanAmbColor |
Ambient color | Only one color. |
GXSetChanMatColor |
Material color | Only one color. |
START exits the test.
The A button changes the material/ambient source settings. Four combination patterns are shown in turn.
Prelit color is not used. Both material and ambient sources are registers.
Prelit color is used as ambient. Material source is register.
Prelit color is used as material. Ambient source is register.
Prelit color is used as both material and ambient.
None.
2006/03/01 Initial version.
CONFIDENTIAL