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C-/C++-Quelltext

texture RenderedScene;
sampler PostProcess = sampler_state{ texture = <RenderedScene> ; }; // Der Textursampler

float texelSize = 1.0f / 128.0f;

float PixelKernel[13] =
{
    -6,
    -5,
    -4,
    -3,
    -2,
    -1,
     0,
     1,
     2,
     3,
     4,
     5,
     6,
};

static const float BlurWeights[13] = 
{
    0.002216,
    0.008764,
    0.026995,
    0.064759,
    0.120985,
    0.176033,
    0.199471,
    0.176033,
    0.120985,
    0.064759,
    0.026995,
    0.008764,
    0.002216,
};

struct VS_OUTPUT
{
    float4 Pos      : POSITION;
    float2 TexCoord : TEXCOORD0;
};

//*****************************************************
// Vertexshader
VS_OUTPUT vs_main(in float4 pos      : POSITION,
                     in float2 texCoord : TEXCOORD0)
{
    VS_OUTPUT Out;
   
    Out.Pos      = pos;
    Out.TexCoord = texCoord;
   
    return Out;
}

//*****************************************************
// Horizontal
float4 ps_mainH(VS_OUTPUT input) : SV_Target
{
    float4 color = 0.0f;
    float2 samp = input.TexCoord;
    samp.y = input.TexCoord.y;

    for (int i = 0; i < 13; i++)
    {
        samp.x = input.TexCoord.x + PixelKernel[i] * texelSize;
        samp.x = saturate(samp.x);
        color += tex2D(PostProcess, samp.xy) * BlurWeights[i];
    }

    return color;
}

//*****************************************************
// Vertical
float4 ps_mainV(VS_OUTPUT input) : SV_Target
{
    float4 color = 0.0f;
    float2 samp = input.TexCoord;
    samp.x = input.TexCoord.x;

    for (int i = 0; i < 13; i++)
    {
        samp.y = input.TexCoord.y + PixelKernel[i] * texelSize;
        samp.y = saturate(samp.y);
        color += tex2D(PostProcess, samp.xy) * BlurWeights[i];
    }

    return color;
}


//*****************************************************
// Nothing
VS_OUTPUT vs_tex(in float4 pos      : POSITION,
                     in float2 texCoord : TEXCOORD0)
{
    VS_OUTPUT Out;
   
    Out.Pos      = pos;
    Out.TexCoord = texCoord;
   
    return Out;
}

float4 ps_tex(VS_OUTPUT input) : SV_Target
{
    return tex2D(PostProcess, input.TexCoord);
}

//Technique Calls
technique blurH
{ 
   pass p0 
   { 
      VertexShader = compile vs_3_0 vs_main(); 
      PixelShader = compile ps_3_0 ps_mainH(); 
   } 
}

technique blurV
{ 
   pass p0 
   { 
      VertexShader = compile vs_3_0 vs_main(); 
      PixelShader = compile ps_3_0 ps_mainV(); 
   } 
}

technique tex
{ 
   pass p0 
   { 
      VertexShader = compile vs_3_0 vs_tex(); 
      PixelShader = compile ps_3_0 ps_tex(); 
   } 
}