Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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#include "common_vs_fxc.h"
struct VS_INPUT
{
float2 vSrcCoord : TEXCOORD0;
float4 vMorphWeights : TEXCOORD1;
};
struct VS_OUTPUT
{
float4 vDestCoord : POSITION;
float4 vMorphWeights : TEXCOORD0;
};
VS_OUTPUT main( const VS_INPUT v )
{
VS_OUTPUT o = ( VS_OUTPUT )0;
// FIXME: Want these to be in pixel centers!
float2 projSpace = v.vSrcCoord.xy;
projSpace *= 2.0f;
projSpace -= 1.0f;
projSpace.y *= -1.0f;
o.vDestCoord = float4( projSpace.x, projSpace.y, 0.0f, 1.0f );
o.vMorphWeights = v.vMorphWeights;
return o;
}