Full screen FX

#define IN_HLSL
#include "../shdrConsts.h"

//-----------------------------------------------------------------------------
// Structures                                                                  
//-----------------------------------------------------------------------------
struct v2f
{
	float4 hpos            : POSITION;
   	float2 texCoord        : TEXCOORD0;
};


struct Fragout
{
   float4 col : COLOR0;
};

float3 mousePos				: register(PC_MOUSE_POS);
float3 params				: register(PC_CANVAS_P1);

//-----------------------------------------------------------------------------
// Main                                                                        
//-----------------------------------------------------------------------------
Fragout main( v2f IN,
              uniform sampler2D diffuseMap      : register(S0)
)
{
   Fragout OUT;
   float sampleDist0 = 0.02;
float focus = 0.66;
float range = 0.60;

	float2 samples[12] = {
		 -0.126212, -0.105805,
		 -0.840144, -0.073580,
		 -0.395914,  0.457137,
		 -0.503345,  0.920716,
		 0.962340, -0.194983,
		 0.473434, -0.480026,
		 0.519456,  0.767022,
		 0.185461, -0.893124,
		 0.507431,  0.064425,
		 0.896420,  0.412458,
		 -0.321940, -0.932615,
		 -0.791559, -0.597705,
	};
	float4 diffuseColor = tex2D(diffuseMap, IN.texCoord);
   float dist = distance(IN.texCoord.xy, mousePos.xy);
   float fade = clamp((dist - params.x) * params.y, 0, 1);
   float4 BlurColor = tex2D(diffuseMap, IN.texCoord);
   for (int i = 0; i < 12; i++){
      BlurColor += tex2D(diffuseMap, IN.texCoord + sampleDist0 * samples[i]);
      }
      BlurColor /= 11;
   OUT.col = lerp(diffuseColor, BlurColor, fade);
   
   return OUT;
}

#define IN_HLSL
#include "../shdrConsts.h"

//-----------------------------------------------------------------------------
// Structures                                                                  
//-----------------------------------------------------------------------------
struct VertData
{
   float4 position        : POSITION;
   float2 texCoord        : TEXCOORD0;
};

struct v2f
{
   float4 hpos            : POSITION;
   float2 outTexCoord     : TEXCOORD0;
};

//-----------------------------------------------------------------------------
// Main                                                                        
//-----------------------------------------------------------------------------
v2f main( VertData IN, 
          uniform float4x4 modelview       : register(VC_WORLD_PROJ)
)
{
   v2f OUT;

   OUT.hpos = mul(modelview, IN.position);
   OUT.outTexCoord = IN.texCoord;
   return OUT;
}

error X4500: shader too complex. Try reducing number of texture loads used