#include "common.hlsli"

#if defined(SM_5) || defined(SM_4_1)
    #define SMAA_HLSL_4_1
#else
    #define SMAA_HLSL_4
#endif

#define SMAA_INCLUDE_VS 1
uniform float4 scaled_screen_res;
#define SMAA_RT_METRICS scaled_screen_res.zwxy

#include "smaa.hlsli"

// Struct
struct p_smaa
{
    float4 hpos : SV_POSITION;
    float2 tc0 : TEXCOORD0; // Texture coordinates         (for sampling maps)
    float4 offset : TEXCOORD1;
};

struct v2p_smaa
{
    float2 tc0 : TEXCOORD0;
    float4 HPos : POSITIONT; // Clip-space position 	(for rasterization)
};

// Vertex
p_smaa main(v2p_smaa I)
{
    p_smaa O;
    // Transform to screen space (in d3d9 it was done automatically)
    O.hpos.x = (I.HPos.x * scaled_screen_res.z * 2 - 1);
    O.hpos.y = -(I.HPos.y * scaled_screen_res.w * 2 - 1);
    O.hpos.zw = I.HPos.zw;

    O.tc0 = I.tc0;

    SMAANeighborhoodBlendingVS(I.tc0, O.offset);

    return O;
}