#include "Common.usf"

#if ORBIS || DINGO

#define FXAA_GREEN_AS_LUMA 0
#define FXAA_GATHER4_ALPHA 0
#define FXAA_CALC_LUMA 1

#else

#define FXAA_GREEN_AS_LUMA 1

#endif

#if XBOX
    #define FXAA_360 1
#elif PS3
    #define FXAA_PS3 1
#else 
    #define FXAA_PC 1

#if ORBIS || DINGO
    #define FXAA_HLSL_5 1
#else
    #define FXAA_HLSL_5 1
#endif

    #define FXAA_QUALITY__PRESET 39
#endif

#include "FXAA.usf"

float4              QualityParamsA;
float4              QualityParamsB;

#if XBOX || PS3 || ORBIS || DINGO
float4              ConsoleRcpFrameOpt;
float4              ConsoleRcpFrameOpt2;
#else
const float4        ConsoleRcpFrameOpt = float4(0,0,0,0);
const float4        ConsoleRcpFrameOpt2 = float4(0,0,0,0);
#endif 

#if XBOX
float4              Console360ConstDir;
float4              Console360RcpFrameOpt2;
#else
const float4        Console360ConstDir = float4(0,0,0,0);
const float4        Console360RcpFrameOpt2 = float4(0,0,0,0);
#endif

void FXAAVertexMain(
	in float4 InPosition    : POSITION,
	in float2 UV            : TEXCOORD0,
	out float2 OutCenterUV  : TEXCOORD1,
	out float4 OutPosition  : SV_Position
	)
{
	OutPosition = InPosition;

    // {xy} = center of pixel
	OutCenterUV.xy = UV.xy;
}


void FXAAPixelMain(
    in float2 CenterUV : TEXCOORD1,
	out float4 OutColor : SV_Target
	)
{
    // {xy__} = upper left of pixel
    // {__zw} = lower right of pixel
    float4 PosPosUV = 1;
    PosPosUV.xy = CenterUV.xy + (float2(-QualityParamsB.z, -QualityParamsB.w)/2.0f);
    PosPosUV.zw = CenterUV.xy + (float2( QualityParamsB.z,  QualityParamsB.w)/2.0f);

#if ORBIS
    FxaaTex SceneColorTextureFxaa = { SceneColorTexture.sampler, SceneColorTexture.texture };
#elif DINGO
    FxaaTex SceneColorTextureFxaa = { SceneColorTexture.samplerQQ, SceneColorTexture.textureQQ };
#else
    FxaaTex SceneColorTextureFxaa = { SceneColorTextureSampler, SceneColorTexture };

#endif
    OutColor.rgba = RETURN_COLOR(FxaaPixelShader(
        CenterUV.xy,                    // FxaaFloat2 pos, 
        PosPosUV,                       // FxaaFloat4 fxaaConsolePosPos, 
        SceneColorTextureFxaa,          // FxaaTex tex,
        SceneColorTextureFxaa,          // FxaaTex fxaaConsole360TexExpBiasNegOne, 
        SceneColorTextureFxaa,          // FxaaTex fxaaConsole360TexExpBiasNegTwo,
        QualityParamsB.zw,              // FxaaFloat2 fxaaQualityRcpFrame,
        ConsoleRcpFrameOpt,             // FxaaFloat4 fxaaConsoleRcpFrameOpt,
        ConsoleRcpFrameOpt2,            // FxaaFloat4 fxaaConsoleRcpFrameOpt2,
        Console360RcpFrameOpt2,         // FxaaFloat4 fxaaConsole360RcpFrameOpt2,
        QualityParamsA.x,               // FxaaFloat fxaaQualitySubpix,
        QualityParamsA.y,               // FxaaFloat fxaaQualityEdgeThreshold,
        QualityParamsA.z,               // FxaaFloat fxaaQualityEdgeThresholdMin,
        QualityParamsA.w,               // FxaaFloat fxaaConsoleEdgeSharpness,
        QualityParamsB.x,               // FxaaFloat fxaaConsoleEdgeThreshold,
        QualityParamsB.y,               // FxaaFloat fxaaConsoleEdgeThresholdMin,
        Console360ConstDir              // FxaaFloat4 fxaaConsole360ConstDir
        ));
}