This program tests advanced LOD control modes of mipmapped textures such as LOD bias, edge-diagonal-LOD mode, bias clamping, and anisotropic filter. The screen is divided into four sections and it is possible to compare differences by setting parameters for the texture of each section.
| Functions | Parameters | Description |
GXInitTexObj |
Pointer to image data. | Appropriate value. |
| Width and height | Only power of 2 (depends on tpl file) | |
| format | Some formats (depends on tpl file) | |
| Wrap mode (s, t) | One or more (depends on tpl file) | |
| Mipmap | Always GX_TRUE |
|
|
minification filter | Always GX_LIN_MIP_LIN |
| Magnification filter | Always GX_NEAR, GX_LINEAR |
|
| Minimum LOD | Always 0 (depends on tpl file) | |
| Maximum LOD | Existing values (depends on tpl file) | |
| LOD bias | Various values. | |
| Bias clamp | GX_TRUE / GX_FALSE |
|
| Edge LOD enable | GX_TRUE / GX_FALSE |
|
| Anisotropic filter | GX_ANISO_1, GX_ANISO_2, GX_ANISO_4 |
|
GXLoadTexObj |
Destination texture name. | Always GX_TEXMAP0 |
GXSetTevOp |
TEV stage ID | Always GX_TEVSTAGE0 |
| Operation mode | Always GX_REPLACE |
START exits the demo.
The Control Stick rotates the cube in the selected screen section.
The C Stick changes the scale of the cube in the selected screen section.
X and Y Buttons move the cursor and select a section and a parameter to change.
L and R Buttons change the value of the selected parameter.
The A Button rotates or scales all cubes at the same time.
The B Button changes the texture of all cubes.
Various LOD bias settings.
Edge-LOD / Anisotropic filter.
Bias clamp.
$REVOLUTION_SDK_ROOT/dvddata/gxTests/tex-01.tpl
2006/03/01 Initial version.
CONFIDENTIAL