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<BLOCKQUOTE>
<H1><A NAME="NAME"><A NAME="1">NAME
</A></A></H1>
<P>
<B>texRECTlod</B> - rectangle texture lookup with specified level of detail and optional texel offset.
</P>
<H1><A NAME="SYNOPSIS"><A NAME="2">SYNOPSIS
</A></A></H1>
<PRE> float4 texRECTlod(samplerRECT samp, float4 s)
float4 texRECTlod(samplerRECT samp, float4 s, int texelOff)
int4 texRECTlod(isamplerRECT samp, float4 s)
int4 texRECTlod(isamplerRECT samp, float4 s, int texelOff)
unsigned int4 texRECTlod(usamplerRECT samp, float4 s)
unsigned int4 texRECTlod(usamplerRECT samp, float4 s, int texelOff)
</PRE>
<H1><A NAME="PARAMETERS"><A NAME="3">PARAMETERS
</A></A></H1>
<DL>
<DT><STRONG>samp
</STRONG></DT>
<DD>
<P>
Sampler to lookup.
</P>
<DT><STRONG>s.xyz
</STRONG></DT>
<DD>
<P>
Coordinates to perform the lookup.
</P>
<DT><STRONG>s.w
</STRONG></DT>
<DD>
<P>
Level of detail.
</P>
<DT><STRONG>texelOff
</STRONG></DT>
<DD>
<P>
Offset to be added to obtain the final texel.
</P>
</DD></DL>
<H1><A NAME="DESCRIPTION"><A NAME="4">DESCRIPTION
</A></A></H1>
<P>
Performs a texture lookup with a specified level of detail in sampler <I>samp</I> using coordinates <I>s</I>.
</P>
<H1><A NAME="PROFILE_SUPPORT"><A NAME="5">PROFILE SUPPORT
</A></A></H1>
<P>
<B>texRECTlod</B> is supported in fragment profiles starting with <A HREF="fp40.html">fp40</A> and in vertex profiles
starting with <A HREF="vp40.html">vp40</A>. Variants with <I>texelOff</I> are only supported in <A HREF="gp4.html">gp4</A> and newer
profiles. Variants with integer samplers are also only suppported in <A HREF="gp4.html">gp4</A> and newer profiles.
</P>
<H1><A NAME="SEE_ALSO"><A NAME="6">SEE ALSO
</A></A></H1>
<P>
<A HREF="texRECTbias.html">texRECTbias</A>, <A HREF="texRECTfetch.html">texRECTfetch</A>
</P>
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