void ShowViewPos_fp
(
    in float4 position : POSITION,
    in float2 iTexCoord : TEXCOORD0,
    
    out float4 oColor0: COLOR0,
    
    uniform sampler mrt2: register(s0)
)
{
    oColor0 = float4(tex2D(mrt2, iTexCoord).xyz * float3(0.1, 0.1, -0.01), 1);
}