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13
14<h1 align="left">tex-filter</h1>
15
16
17<h2>Description</h2>
18
19<p>This program tests the texture filter modes. The screen is divided into four sections and each section shows a textured cube with a different filter mode set for each.</p>
20
21<p>Upper left:&nbsp;&nbsp; Near / Near<br> Upper right: Near / Linear<br> Lower left:&nbsp;&nbsp; Linear / Near (bi-linear)<br> Lower right: Linear / Linear (tri-linear)</p>
22
23<h2>Coverage</h2>
24<TABLE border="1" cellpadding="3" cellspacing="0.1" width="640">
25  <tr>
26<TD width="30%" bgcolor="#C0C0C0"><EM><STRONG>Function</STRONG></EM></TD>
27<TD width="25%" bgcolor="#C0C0C0"><EM><STRONG>Parameters</STRONG></EM></TD>
28<TD width="45%" bgcolor="#C0C0C0"><EM><STRONG>Description</STRONG></EM></TD>
29    </tr>
30  <tr>
31<TD width="30%" rowspan="5"><a href="../../../gx/Texture/GXInitTexObj.html"><code>GXInitTexObj</code></a></TD>
32<TD width="25%">pointer to image data</TD>
33<TD width="45%">Appropriate value.</TD>
34    </tr>
35  <tr>
36<TD width="25%">Width and height</TD>
37<TD width="45%">only power of 2 (depends on tpl file)</TD>
38    </tr>
39  <tr>
40<TD width="25%">Format</TD>
41<TD width="45%">some formats (depends on tpl file)</TD>
42    </tr>
43  <tr>
44<TD width="25%">Wrap mode (s, t).</TD>
45<TD width="45%">one or more (depends on tpl file)</TD>
46    </tr>
47  <tr>
48<TD width="25%">Mipmap</TD>
49<TD width="45%"><FONT face="Courier New">GX_TRUE</FONT> / <FONT face="Courier New">GX_FALSE</FONT></TD>
50    </tr>
51  <tr>
52<TD width="30%" rowspan="8"><a href="../../../gx/Texture/GXInitTexObjLOD.html"><code>GXInitTexObjLOD</code></a></TD>
53<TD width="25%">minification filter</TD>
54<TD width="45%"><FONT face="Courier New">GX_NEAR</FONT>, <FONT face="Courier New">GX_LINEAR</FONT>, <FONT face="Courier New">GX_NEAR_MIP_NEAR</FONT>, <FONT face="Courier New">GX_NEAR_MIP_LIN</FONT>, <FONT face="Courier New">GX_LIN_MIP_NEAR</FONT>, <FONT face="Courier New">GX_LIN_MIP_LIN</FONT></TD>
55    </tr>
56  <tr>
57<TD width="25%">Magnification filter</TD>
58<TD width="45%">GX_NEAR, GX_LINEAR</TD>
59    </tr>
60  <tr>
61<TD width="25%">Minimum LOD</TD>
62<TD width="45%">Always 0 (depends on tpl file).</TD>
63    </tr>
64  <tr>
65<TD width="25%">Max LOD</TD>
66<TD width="45%">Existing values (depends on tpl file).</TD>
67    </tr>
68  <tr>
69<TD width="25%">LOD bias</TD>
70<TD width="45%">Always 0 (depends on tpl file).</TD>
71    </tr>
72  <tr>
73<TD width="25%">Bias clamp</TD>
74<TD width="45%">Always <CODE>GX_FALSE</CODE>.</TD>
75    </tr>
76  <tr>
77<TD width="25%">Edge LOD enable</TD>
78<TD width="45%">always <CODE>GX_FALSE</CODE> (depends on tpl file).</TD>
79    </tr>
80  <tr>
81<TD width="25%">Anisotropic filter</TD>
82<TD width="45%">always <CODE>GX_ANISO_1</CODE>.</TD>
83    </tr>
84  <tr>
85<TD width="30%"><a href="../../../gx/Texture/GXLoadTexObj.html"><code>GXLoadTexObj</code></a></TD>
86<TD width="25%">Destination texture name.</TD>
87<TD width="45%">Always <CODE>GX_TEXMAP0</CODE>.</TD>
88    </tr>
89  <tr>
90<TD width="30%" rowspan="2"><a href="../../../gx/Tev/GXSetTevOp.html"><code>GXSetTevOp</code></a></TD>
91<TD width="25%">TEV stage ID</TD>
92<TD width="45%">Always <FONT face="Courier New">GX_TEVSTAGE0</FONT>.</TD>
93    </tr>
94  <tr>
95<TD width="25%">Operation mode</TD>
96<TD width="45%">Always <CODE>GX_REPLACE</CODE>.</TD>
97    </tr>
98</TABLE>
99<h2>Operation Method</h2>
100
101<p>START exits the test.</p>
102
103<p>The Control Stick rotates four cubes at the same time.</p>
104
105<p>The C Stick changes scale of cubes.</p>
106
107<p>The A Button changes the texture.</p>
108<P>The B Button turns mipmap ON/OFF.</P>
109<h2>Snapshot</h2>
110
111<P><IMG src="./images/tex-filter-0.jpg" alt="tex-filter-0.jpg (104156 bytes)" WIDTH="640" HEIGHT="480"></p>
112
113<P><IMG src="./images/tex-filter-1.jpg" alt="tex-filter-1.jpg (65598 bytes)" WIDTH="640" HEIGHT="480"></p>
114
115<h2>Data Files Required</h2>
116
117<p><CODE>$REVOLUTION_SDK_ROOT/dvddata/gxTests/tex-01.tpl</CODE></p>
118<H2>Revision History</H2>
119<P>03/01/2006 Initial version.</P>
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