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<BLOCKQUOTE>
<H1><A NAME="NAME"><A NAME="1">NAME
</A></A></H1>
<P>
<B>hlslv</B> - Translation profile to DirectX 9's High Level Shader Language for vertex shaders.
</P>
<H1><A NAME="SYNOPSIS"><A NAME="2">SYNOPSIS
</A></A></H1>
<PRE> hlslv
</PRE>
<H1><A NAME="DESCRIPTION"><A NAME="3">DESCRIPTION
</A></A></H1>
<P>
This Direct3D profile translates Cg into DirectX 9's High Level Shader
Language (HLSL) for pixel shaders.
</P>
<P>
The compiler output for this profile conforms to the textual high-level
language defined by DirectX 9's High Level Shading Language. See:
</P>
<PRE> <A HREF="http://msdn.microsoft.com/en-us/library/bb509561.aspx">msdn.microsoft.com/en-us/library/bb509561.aspx</A>
</PRE><P>
The limitations of the <B>hlslv</B> profile depend on what HLSL profile to
which the translated HLSL code is compiled.
</P>
<H1><A NAME="3D_API_DEPENDENCIES"><A NAME="4">3D API DEPENDENCIES
</A></A></H1>
<P>
Requires Direct3D 9 support.
</P>
<H1><A NAME="PROFILE_OPTIONS"><A NAME="5">PROFILE OPTIONS
</A></A></H1>
<P>
None.
</P>
<H1><A NAME="DATA_TYPES"><A NAME="6">DATA TYPES
</A></A></H1>
<P>
In general, the Cg data types translate to the HLSL data types with the
same name.
</P>
<DL>
<DT><STRONG>float, half, fixed
</STRONG></DT>
<DD>
<P>
These numeric data types all correspond to standard IEEE 754 single-precision
floating-point encoding with a sign bit, 23 mantissa bits, and 8 exponent
bits (biased by 128), sometimes called <I>s10e5</I>.
</P>
<DT><STRONG>int
</STRONG></DT>
<DD>
<P>
This integral data type operates like an integer over the -2^24 to 2^24 range.
The result of int by int division is an integer (rounding down) to match C.
</P>
</DD></DL>
<H1><A NAME="SEMANTICS"><A NAME="7">SEMANTICS
</A></A></H1>
<H2><A NAME="INPUT_SEMANTICS"><A NAME="8">INPUT SEMANTICS
</A></A></H2>
<P>
The varying input semantics in the <B>hlslv</B> profile correspond to the
respectively named varying output semantics of the <B>ps_2_0</B> profile.
</P>
<PRE> Binding Semantics Name Corresponding Data
POSITION Object-space position
NORMAL Object-space normal
COLOR Primary color (float4)
COLOR0
DIFFUSE
COLOR1 Secondary color (float4)
SPECULAR
FOGCOORD Fog coordinate
TEXCOORD# Texture coordinate set #
</PRE>
<H2><A NAME="UNIFORM_INPUT_SEMANTICS"><A NAME="9">UNIFORM INPUT SEMANTICS
</A></A></H2>
<P>
<I>to-be-written</I>
</P>
<H2><A NAME="OUTPUT_SEMANTICS"><A NAME="10">OUTPUT SEMANTICS
</A></A></H2>
<PRE> Binding Semantics Name Corresponding Data
POSITION Clip-space position
HPOS
COLOR Front primary color
COLOR0
COL0
COL
COLOR1 Front secondary color
COL1
TEXCOORD# Texture coordinate set #
TEX#
FOGC Fog coordinate
FOG
PSIZE Point size
PSIZ
</PRE>
<H1><A NAME="STANDARD_LIBRARY_ISSUES"><A NAME="11">STANDARD LIBRARY ISSUES
</A></A></H1>
<P>
This profile is limited to standard library support available in HLSL for vertex shaders.
In general, the Cg and HLSL standard libraries are very similar.
</P>
<H1><A NAME="SEE_ALSO"><A NAME="12">SEE ALSO
</A></A></H1>
<P>
<A HREF="hlslf.html">hlslf</A>
</P>
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